Sanyo VPC-E7 User manual

Brand: Sanyo

Model: VPC-E7

Type: User manual

This manual is also suitable for

VPC-E7EX

SERVICE MANUAL

Digital Camera

VPC-E7

(Product Code : 168 071 00)

(U.S.A.)

(Canada)

(Korea)

(Taiwan)

(General)

Contents

1. OUTLINE OF CIRCUIT DESCRIPTION .................... 3

2. DISASSEMBLY ........................................................ 12

3. ELECTRICAL ADJUSTMENT .................................. 17

4. USB STORAGE INFORMATION

REGISTRATION ...................................................... 22

5. TROUBLESHOOTING GUIDE................................. 23

6. PARTS LIST............................................................. 24

CIRCUIT DIAGRAMS &

PRINTED WIRING BOARDS ...................................... C1

The components designated by a symbol ( ! ) in this schematic diagram designates components whose value are of

special significance to product safety. Should any component designated by a symbol need to be replaced, use only the part

designated in the Parts List. Do not deviate from the resistance, wattage, and voltage ratings shown.

CAUTION : Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type recommended by the manufacturer.

Discard used batteries according to the manufacturer’s instructions.

NOTE : 1. Parts order must contain model number, part number, and description.

2. Substitute parts may be supplied as the service parts.

3. N. S. P. : Not available as service parts.

Design and specification are subject to change without notice.

SX81W/U, EX (R)

REFERENCE No. SM5310680

FILE NO.

PRODUCT SAFETY NOTICE

VPC-E7EX

(Product Code : 168 071 01)

(Europe)

(U.K.)

(South America)

(China)

(Australia)

(Hong Kong)

(Russia)

(Middle East)

(Africa)

(Korea)

(Taiwan)

(General)

RoHS

•This product does not contain any hazardous substances prohibited by the RoHS Directive.

WARNING

•You are requested to use RoHS compliant parts for maintenance or repair.

•You are requested to use lead-free solder.

(This product has been manufactured using lead-free solder. Be sure to follow the warning given on page 2 when

carrying out repair work.)

– 2 –

WARNING

Do not use solder containing lead.

This product has been manufactured using lead-free solder in

order to help preserve the environment.

Because of this, be sure to use lead-free solder when carrying

out repair work, and never use solder containing lead.

Lead-free solder has a melting point that is 30 - 40°C (86 -

104°F) higher than solder containing lead, and moreover it does

not contain lead which attaches easily to other metals. As a

result, it does not melt as easily as solder containing lead, and

soldering will be more difficult even if the temperature of the

soldering iron is increased.

The extra difficulty in soldering means that soldering time will

increase and damage to the components or the circuit board

may easily occur.

Because of this, you should use a soldering iron and solder

that satisfy the following conditions when carrying out repair

work.

Soldering iron

Use a soldering iron which is 70 W or equivalent, and which

lets you adjust the tip temperature up to 450°C (842°F). It

should also have as good temperature recovery characteris-

tics as possible.

Set the temperature to 350°C (662°F) or less for chip compo-

nents, to 380°C (716°F) for lead wires and similar, and to 420°C

(788°F) when installing and removing shield plates.

The tip of the soldering iron should have a C-cut shape or a

driver shape so that it can contact the circuit board as flat or in

a line as much as possible.

Solder

Use solder with the metal content and composition ratio by

weight given in the table below. Do not use solders which do

not meet these conditions.

Lead-free solder is available for purchase as a service tool.

Use the following part number when ordering:

Part name: Lead-free solder with resin (0.5 mm dia., 500 g)

Part number: VJ8-0270

Metal content

Tin (Sn) Silver (Ag)

Copper (Cu)

Composition

ratio by weight

96.5 %

3.0 %

0.5 %

Note:

If replacing existing solder containing lead with lead-free sol-

der in the soldered parts of products that have been manufac-

tured up until now, remove all of the existing solder at those

parts before applying the lead-free solder.

– 3 –

1. OUTLINE OF CIRCUIT DESCRIPTION

1-1. CCD CIRCUIT DESCRIPTION

1. IC Configuration

The CCD peripheral circuit block basically consists of the fol-

lowing ICs.

IC903 (ICX629FQN) CCD imager

IC901 (CXD3443GA) V driver

IC905 (AD9949AKCP) CDS, AGC, A/D converter, H driver

2. IC903 (CCD)

Interline type CCD image sensor

Optical size 1/2.5 type

Effective pixels 3112 (H) x 2328 (V)

Pixels in total 3164 (H) x 2342 (V)

Optical black

Horizontal (H) direction: Front 48 pixels, Rear 4 pixels

Vertical (V) direction: Front 12 pixels, Rear 2 pixels

Dummy bit number Horizontal : 28

Fig. 1-1.Optical Black Location (Top View)

Table 1-1. CCD Pin Description

Fig. 1-2. CCD Block Diagram

Pin No.

Symbol

Vø

VøST

Vø2

VøHLD

Vø3A

Vø3B

Vø4

Vø5B

Vø6

Pin Description

Vertical register transfer clock

Horizontal addition control clock

Vertical register transfer clock

Horizontal addition control clock

Vertical register transfer clock

Vø5A

Vertical register transfer clock

Pin No.

Symbol

OUT

VDD

øRG

Hø

Hø2B

GND

øSUB

SUB

Pin Description

Signal output

Circuit power

Reset gate clock

Substrate bias

Horizontal register transfer clock

GND

Substrate clock

GND GND

Vø

Vertical register transfer clock

Vø

Vertical register transfer clock

Vø9

Vertical register transfer clock

Vø10

Vertical register transfer clock

Protection transistor bias

Hø

Horizontal register transfer clock

Hø2A

Horizontal register transfer clock

Pin 1

Pin 15

Ø2B

Ø7

Ø8

Ø1B

GND

SUB

Ø1A

Ø2A

Ø6

Ø5B

Ø5A

Ø4

Ø3B

Ø3A

ØHLD

Ø2

ØST

Ø1

OUT

Ø9

Ø10

(Note)

(Note) : Photo sensor

Horizontal register

Vertical register

– 4 –

Fig. 1-3. IC901 Block Diagram

3. IC905 (H Driver) and IC901 (V Driver)

An H driver (a part of IC905) and V driver (IC901) are neces-

sary in order to generate the clocks (vertical transfer clock,

horizontal transfer clock and electronic shutter clock) which

driver the CCD.

IC905 has clock generating which drives horizontal CCD and

its drives function. These clocks are output from pin (14), (15),

(18) and (19) of IC905. In addition the XV1-XV10 signals which

are output from IC101 are the vertical transfer clocks, and the

XSG1A, XSG1B, XSG2A, XSG2B, XSG2C, XSG3A and

XSG3B signals which are output is superimposed onto XV1,

XV3, XV5, XV7 and XV9 at IC901 in order to generate a ter-

nary pulse. In addition, the XSUB signal which is output from

IC101 is used as the sweep pulse for the electronic shutter,

and the RG signal which is output from pin (21) of IC905 is

the reset gate clock.

4. IC905 (CDS, AGC Circuit and A/D Converter)

The video signal which is output from the CCD is input to

pins (27) of IC905. There are S/H blocks inside IC905 gener-

ated from the XSHP and XSHD pulses, and it is here that

CDS (correlated double sampling) is carried out.

After passing through the CDS circuit, the signal passes

through the AGC amplifier. It is A/C converted internally into

a 12-bit signal, and is then input to IC101 of the CP1 circuit

board. The gain of the AGC amplifier is controlled by pin (31)-

(33) serial signal which is output from IC101 of the CP1 board.

Fig. 1-4. IC905 Block Diagram

CCDIN

H1-H4

SDATA

SCK

CLI

HBLK

CLP/PBLK

DOUT

VRB

VRT

PRECISION

TIMING

CORE

SYNC

GENERATOR

PxGA

VGA

12-BIT

ADC

6~42 dB

VREF

CLAMP

INTERNAL

REGISTERS

INTERNAL

CLOCKS

CDS

HORIZONTAL

DRIVERS

0~18 dB

AD9949

VL2

XV5N

DVD1

AVD1

XSUBN

XSG9N

XV2N

XSG7N

XV7N

XSG5N

Input Buffer

AVS1

G10

XV3N

F11

XSG3N

F10

XV1N

VH2

A10

VM2

SUB

E11

XSG1N

E10

XV4N

D11

XV9N

XSG10N

K11

H10

H11

J10

J11

XV8N

XV6N

XSG8N

XSG6N

XV13N

XV12N

XSG4N

XV11N

XSG2N

XV14N

XV10N

B11

AVS2

C11

AVD2

L10

DVD2

V7A

V5A

V3A

V1A

C10

V7B

V5B

V3B

V1B

V10

VM1

VH1

VL1

– 5 –

1-2. CP1 CIRCUIT DESCRIPTION

1. Circuit Description

1-1. Digital clamp

The optical black section of the CCD extracts averaged val-

ues from the subsequent data to make the black level of the

CCD output data uniform for each line. The optical black sec-

tion of the CCD averaged value for each line is taken as the

sum of the value for the previous line multiplied by the coeffi-

cient k and the value for the current line multiplied by the

coefficient (k-1).

1-2. Signal processor

1. γ correction circuit

This circuit performs (gamma) correction in order to maintain

a linear relationship between the light input to the camera

and the light output from the picture screen.

2. Color generation circuit

This circuit converts the CCD data into RGB signals.

3. Matrix circuit

This circuit generates the Y signals, R-Y signals and B-Y sig-

nals from the RGB signals.

4. Horizontal and vertical aperture circuit

This circuit is used gemerate the aperture signal.

1-3. AE/AWB and AF computing circuit

The AE/AWB carries out computation based on a 256-seg-

ment screen, and the AF carries out computations based on

a 11-segment screen.

1-4. SDRAM controller

This circuit outputs address, RAS, CAS and AS data for con-

trolling the SDRAM. It also refreshes the SDRAM.

1-5. Communication control

1. SIO

This is the interface for the 8-bit microprocessor.

2. PIO/PWM/SIO for LCD

8-bit parallel input and output makes it possible to switch be-

tween individual input/output and PWM input/output. It is pre-

pared for 16-bit parallel output.

1-6. TG/SG

Timing generated for 7 million pixel CCD control.

1-7. Digital encorder

It generates chroma signal from color difference signal.

1-8. JPEG encorder and decorder

It is compressed and elongated the data by JPEG system.

2. Outline of Operation

When the shutter opens, the serial signals (“take a picture”

commands) from the 8-bit microprocessor is input to ASIC

(IC101) and operation starts. When the TG/SG drives the CCD,

picture data passes through the A/D and CDS, and is then

input to the ASIC as 12-bit data. The AF, AE, AWB, shutter,

and AGC value are computed from this data, and three expo-

sures are made to obtain the optimum picture. The data which

has already been stored in the SDRAM is read by the CPU

and color generation is carried out. Each pixel is interpolated

from the surrounding data as being either R, G and B primary

color data to produce R, G and B data. At this time, correction

of the lens distortion which is a characteristic of wide-angle

lenses is carried out. After AWB and γ processing are carried

out, a matrix is generated and aperture correction is carried

out for the Y signal, and the data is then compressed by the

JPEG method by (JPEG) and is then written to card memory

(SD card).

When the data is to be output to an external device, it is taken

data from the memory and output via the USB. When played

back on the LCD and monitor, data is transferred from memery

to the SDRAM, and the data elongated by JPEG decorder is

displayed over the SDRAM display area.

3. LCD Block

The LCD display circuit is located on the CP1 board, and

consists of components such as a power circuit.

The signals from the ASIC are 8-bit digital signals, that is

input to the LCD directly. The 8-bit digital signals are con-

verted to RGB signals inside the LCD driver circuit . This LCD

has a 3-wire serial, and functions such as the brightness and

image quality are controlled.

Because the LCD closes more as the difference in potential

between the VCOM (common polar voltage: AC) and the R,

G and B signals becomes greater, the display becomes darker;

if the difference in potential is smaller, the element opens and

the LCD become brighter.

In addition, the timing pulses for signals other than the video

signals are also input from the ASIC directory to the LCD.

– 6 –

4. Lens drive block

4-1. Shutter drive

The shutter drive signals (SIN1 and SIN2) which is output from

the ASIC (IC101) is used to drive the shutter constant (Shut-

ter_3 and Shutter_4) by the motor driver (IC951), and then

mecha shutter is opened and closed by moving magnet motor.

4-2. Iris drive

The iris drive signals (IIN1 and IIN2) which are output from the

ASIC (IC101) are used to drive the shutter constant (Aper-

ture_1 and Aperture_2) by the motor driver (IC951), and are

then used to drive the iris steps by meter-motor.

4-3. Focus drive

The serial data signals (L_ST, L_DATA, L_SCLK, L_STB and

FCLK) which are output from the ASIC (IC101) are used to

drive (LD_Motor_A (+), LD_Motor_ A (–), LD_Motor_B (+) and

LD_Motor_B (–)) by the motor driver (IC951), and are then

used to drive the stepping motor for focusing operation. Detec-

tion of the standard focusing positions is carried out by means

of signal (FPIOUT) from the photointerruptor (LD_PI) by ASIC

is detecting inside the lens block.

4-4. Zoom drive

The serial data signals (L_ST, L_DATA, L_SCLK, L_STB and

ZPWM) which are output from ASIC (IC101) are used to drive

(Zoom_Motor + and Zoom_Motor –) by the motor driver

(IC951), and are then used to drive the zoom DC motor.

Detection of the standard zooming positions is carried out by

means of signal (ZPROUT) from the photoreflector

(ZOOM_PR) by ASIC is detecting inside the lens block.

Also, getting of the zoom positions is carried out by means of

signal (ZPIOUT) from the photointerrupter (ZOOM_PI) by ASIC

(IC101) is counting inside the lens block.

– 7 –

1-3. PWA POWER CIRCUIT DESCRIPTION

1. Outline

This is the main power circuit, and is comprised of the follow-

ing blocks.

Switching power control IC (IC501)

Analog 13 V (A) output system (L5003, Q5001)

Analog -7.5 V (A) output system (L5005, Q5005, IC502)

Analog 3.5 V (A) output system (IC503)

Digital 3.25 V (D) output system (L5001)

Digital 1.20 V (D) output system (L5002)

Backlight output system (L5006, Q5007)

Boost power (L5301)

2. Switching Power Controller (IC501)

This is the basic circuit which is necessary for controlling the

power supply for a PWM-type switching regulator, and is pro-

vided with eight built-in channels.

PWM/PFM switching step-up circuit …… 1 (ch_1)

PWM drive step-up/step-down circuit …… 1 (ch_2)

PWM drive step-up and step-down circuit …… total 4 (ch_3

and ch_5~ch_7)

PWM drive inverter circuit …… 1 (ch_4)

Variable regulator …… 1 (ch_8)

Only ch_1 (starting IC, lens drive, 8-bit microprocessor and

ch_3 source), ch_2 (digital 3.25 V), ch_3 (digital 1.20 V), ch_4

(analog -7.5 V), ch_5 (analog 13 V), ch_6 (not used), ch_7

(backlight) and ch_8 (not used) are used. Feedback from 3.8

V (ch_1), 3.25 V (ch_2), 1.20 V (ch_3), -7.5 V (ch_4) and 13.0

V (ch_5) power supply outputs are received, and the PWM

duty is varied so that each one is maintained at the correct

voltage setting level.

Feedback for the backlight power (ch_7) is provided so that

regular current can be controlled to be current (approximately

20 mA) that was setting.

PWM/PFM switching can be carried out for ch_1, so that PFM

operation is enabled when the DSC is stopped (when the

power is off) which provides greater efficiency at times of low

loads (only the 8-bit microprocessor is driven).

2-1. Damage Prevention Circuit

When a short-circuit is generated for a constant period of time,

the capacitor that is connected to pin (1) of IC501 turns all

output off. It is also equipped with an overheating protection

circuit, so that when the element temperature becomes higher

than a certain temperature, all output is turned off in the same

way as for a short-circuit. To reset output, remove the cause

of the problem and then resend a control signal.

3. ch_1 Output System

3.6 V is output. Feedback for the 3.8 V output is provided to

the switching controller (Pin (36) of IC501) so that PWM con-

trol can be carried out. Also, it is the source for 3.5 V (A).

While DSC is stopped, control switches to PFM control.

4. ch_2 Output System

3.25 V (D) is output. Feedback for the 3.25 V (D) output is

provided to the switching controller (Pin (45) of IC501) so that

PWM control can be carried out.

5. ch_3 Output System

1.20 V (D) is output. Feedback for the 1.20 V (D) output is

provided to the swiching controller (Pin (44) of IC501) so that

PWM control can be carried out.

6. ch_4 Output System

-7.5 V is output. Feedback for the inverter circuit output is

provided to the switching power controller (Pin (38) of IC501)

so that PWM control can be carried out. This output is high

precision by IC503, and get to -7.5 V.

7. ch_5 Output System

13.0 V (A) is output. Feedback for the 13.0 V (A) is provided

to the switching power controller (Pin (39) of IC501) so that

PWM control can be carried out.

8. ch_7 Output System

Regular current is being transmitted to LED for backlight. Step-

down in the voltage from the LED are feedback to the switch-

ing power controller (Pin (42) of IC501) so that PWM control

can be carried out.

The control signal (LCD PWM) from the 8-bit system can be

used to adjust the backlight illumination.

– 8 –

1-4. CP1 STROBE CIRCUIT DESCRIPTION

1. Charging Circuit

When UNREG power is supplied to the charge circuit and the

CHG signal from microprocessor becomes High (3.3 V), the

charging circuit starts operating and the main electorolytic

capacitor is charged with high-voltage direct current.

However, when the CHG signal is Low (0 V), the charging

circuit does not operate.

1-1. Charge switch

When the CHG signal switches to Hi, IC541 starts charging

operation.

1-2. Power supply filter

C5401 constitutes the power supply filter. They smooth out

ripples in the current which accompany the switching of the

oscillation transformer.

1-3. Oscillation circuit

This circuit generates an AC voltage (pulse) in order to in-

crease the UNREG power supply voltage when drops in cur-

rent occur. This circuit generates a drive pulse with a frequency

of approximately 200-300 kHz, and drive the oscillation trans-

former. When the SW 3.2 V signal is input, the peak current

during oscillation changes.

1-4. Oscillation transformer

The low-voltage alternating current which is generated by the

oscillation control circuit is converted to a high-voltage alter-

nating current by the oscillation transformer.

1-5. Rectifier circuit

The high-voltage alternating current which is generated at

the secondary side of T5401 is rectified to produce a high-

voltage direct current and is accumulated at electrolytic ca-

pacitor C5412.

1-6. Charge monitoring circuit

The functions programmed in the IC541 monitor oscillations

and estimate the charging voltage. If the voltage exceeds the

rated value, charging automatically stops. Then, the

ZCHG_DONE signal is changed to Lo output and a "charging

stopped" signal is sent to the microcomputer.

2. Light Emission Circuit

When FLCLT signal is input from the ASIC, the stroboscope

emits light.

2-1. Emission control circuit

When the FLCLT signal is input to the emission control cir-

cuit, Q5402 switches on and preparation is made to the light

emitting. Moreover, when a FLCLT signal becomes Lo, the

stroboscope stops emitting light.

2-2. Trigger circuit

The Q5402 is turned ON by the FLCLT signal and light emis-

sion preparation is preformed. Simultaneously, high voltage

pulses of several kV are emitted from the trigger coil and ap-

plied to the light emitter.

2-3. Light emitting element

When the high-voltage pulse form the trigger circuit is ap-

plied to the light emitting part, currnet flows to the light emit-

ting element and light is emitted.

Beware of electric shocks.

– 9 –

1-5. SYA CIRCUIT DESCRIPTION

1. Configuration and Functions

For the overall configuration of the SYA block, refer to the block diagram. The SYA block centers around a 8-bit microprocessor

(IC301), and controls camera system condition (mode).

The 8-bit microprocessor handles the following functions.

1. Operation key input, 2. Clock control and backup, 3. Power ON/OFF, 4. Storobe charge control, 5. Signal input and output for

zoom and lens control.

See next page

Signal

BAT_OFF

SW3.2ON

PLLEN

WON

NOT USED

RESET

XCOUT

XCIN

IC (FLMD0)

XIN

REGC

VSS

EVSS

VDD

EVDD

MAIN_RESET

NOT USED

SELF_LED

SCAN IN 3

SCAN IN 2

SCAN IN 1

SCAN IN 0

P ON

COMREQ

NOT USED

BACKUP CTL

SCAN OUT 0

SCAN OUT 1

SCAN OUT 2

NAND RESET

SREQ

TSEN_PULSE

LCD PWM

BL ON

I/O

Outline

Battery OFF detection signal input

SW 3.2 V system ON/OFF signal

System ASIC PLL circuit enable signal

Microprocessor reset input

Clock oscillation terminal for clock (32.768 kHz)

Program writing control signal, mode lead-in

Regulator output for internal operation

GND

Power terminal

System reset (MRST)

Shutter S2 input

Keymatrix input

D/D converter (digital system) ON/OFF signal

Command request input (combined with BOOT output)

Backup battery charge control (L= charge)

Keymatrix output

One NAND memory reset (L= RESET)

Serial communication request signal

Clock output for touch sensor (approx. 30 kHz)

LCD backlight dimmer control signal

LCD backlight ON/OFF signal

Self-timer LED (L= lighting)

XOUT

8-bit microprocessor clock input when writing (EXCLK)

21 NOT USED

22 USB_CONNECT

USB enable insertion detection (L= insertion)

23 POWER KEY

Power key input

25 SCAN IN 4

Keymatrix input

– 10 –

Table 5-1. 8-bit Microprocessor Port Specification

PRG SO O Program writing sending data (UART)

NOT USED

PRG SI I

Program writing reception data (UART)

Fig. 5-1 Internal Bus Communication System

2. Internal Communication Bus

The SYA block carries out overall control of camera operation by detecting the input from the keyboard and the condition of the

camera circuits. The 8-bit microprocessor reads the signals from each sensor element as input data and outputs this data to the

camera circuits (ASIC) or to the LCD display device as operation mode setting data. Fig. 5-1 shows the internal communication

between the 8-bit microprocessor and ASIC.

8-bit micro processor

ASIC

MRST

PLLEN

ASIC_SDO

ASIC_SDI

SCK

ZSREQ

communi-

cation

ZBOOT_COMREQ

setting of

external port

NOT USED - -

NOT USED

AVREF I Internal A/D standard potential

48 AVSS - Analog GND (A/D GND)

BATTERY I Battery potential detection (A/D)

ILLUMI I Illuminance sensor potential detection (A/D)

TOUCH_IN I Touch sensor input (A/D)

NOT USED O -

CARD SW O -

CARD I SD card insertion detection

AV JACK I AV cable insertion detection (L= detection)

ZCHG_DONE I Strobo charge done detection (L= charge done)

NOT USED O -

SCK O Serial clock output

SI I Serial data input

SO O Serial data output

ST_CHG ON O Strobo condensor charge starting

FLMD0_SY O 8-bit microprocessor self programming port (H= microprocessor rewriting)

DC IN I DC jack detection

S1 I Shutter S1 input

– 11 –

ASIC,

memory

CCD

8bit

CPU

LCD

MONITOR

Power supply voltage

Power OFF

Playback mode

Shooting

USB connection

1.20 V, 3.25 V

13 V, -7.5 V

3.5 V

3.2 V

3.25 V

OFF

32 KHz

OFF

32 MHz

OFF

32 MHz

OFF

Table 5-3. Power supply control

4. Power Supply Control

The 8-bit microprocessor controls the power supply for the overall system.

The following is a description of how the power supply is turned on and off. When the battery is attached, IC501 is operating and

creating 3.8 V, a regulated 3.2 V voltage is normally input to the 8-bit microprocessor (IC301) by IC302, clock counting and key

scanning is carried out even when the power switch is turned off, so that the camera can start up again.

When the power switch is off, the 8-bit microprocessor operates 32.768 kHz of clock.

When the battery is removed, the 8-bit microprocessor power switches the lithum secondary battery for memory backup by

IC302, and operates at low consumption. At this condition, operates 32.768 kHz clock counting by clock.

Also, the battery for backup is charged 10 hours from it to be attached.

When the power switch is on, the 8-bit microprocessor starts processing. The 8-bit microprocessor first sets the PON signal at

pin (30) to High, and then turn on the power circuit. After PON signal is to High, sets external port of ASIC after approximately

100 ms. According to setting of this external port, carry out setting of the operating frequency and oscillation control in the ASIC.

Also, it starts communication with ASIC, and confirms the system is operative.

When the through image is operating, set the PAON-PAON4 signals (ASIC) to High and then turn on the CCD. When the through

image is playing, set the PAON-PAON4 signals to Low and then turn off the CCD. When LCD panel turns on, set BL ON signal at

pin (41) to High, and turn on the backlight power.

When the power switch is off, the lens will be stowed, and PON, PAON-PAON4 and BLON signals to Low and the power supply

to the whole system is halted. The 8-bit microprocessor set operation mode of clock ocillation (32.768 kHz).

Table 5-2. Key Operation

3. Key Operaiton

For details of the key operation, refer to the instruction manual.

SCAN

OUT

SCAN

TELE

PW_TEST

LEFT

WIDE

RIGHT

SCENE

TEST

DOWN

SET

PLAY

5. Backlight Energy Saving Control

This model is equipped with a control function for switching the appearance of the LCD in accordance with the intensity of

external light in order to save power. The luminance sensor Q1905 detects the intensity of external light, and the results are A/D

converted and compared with the threshold value inside the microprocessor (pin (50) of IC301) in order to switch the lightness or

darkness of the backlight.

Brighter external light -> Brighter backlight (estimated normal outdoor level)

Darker external light -> Darker backlight (estimated normal indoor level)

Furthermore, there are two threshold values for light -> dark and dark -> light, and stable switching is maintained because of the

hysteresis between the two.

Switching of the backlight luminance is carried out by changing the PWM duty from the microprocessor (pin (40) of IC301) so that

the backlight LED current detection signal is added together with the feedback signal from the backlight illumination circuit (pin

(42) of IC501) to vary the current value for the LED.

– 12 –

2. DISASSEMBLY

2-1. REMOVAL OF CABI BACK, CABI FRONT AND LCD

1. Seven screws 1.4 x 3.5

2. Three screws 1.4 x 2.5

3. Cabi back

4. Cabi front

5. Screw 1.4 x 2.5

6. Cabinet top

7. LCD

8. Two screws 1.4 x 3.5

9. Holder monitor

10. Remove the solder.

11. FPC

NOTE: Discharge a strobe capacitor

with the discharge jig (VJ8-0188) for

electric shock prevention.

When assembling,

tighten the screws order.

A → B → C → D → E → F → G → H → I → J

When assembling,

tighten the screws order.

a → b

Hook

– 13 –

2-2. REMOVAL OF TB1 BOARD AND TB2 BOARD

1. Spacer flash

2. Remove the solder.

3. Two screws 1.4 x 3.5

4. TB1 board

5. Spacer DC

6. Spacer lens FPC

7. Shield tape lens FPC

8. Remove the solder. (from TB2)

9. Remove the solder. (from speaker)

10. Remove the solder. (from microphone)

11. Screw 1.4 x 3.5

12. Stand

13. Microphone

14. Speaker, 8

15. Two screws 1.4 x 3.5

16. TB2 board

When assembling,

tighten the screws order.

A → B

– 14 –

2-3. REMOVAL OF HOLDER BATTERY

1. Remove the solder.

2. Two screws 1.4 x 3.5

3. Holder battery

4. Holder strap

– 15 –

2-4. REMOVAL OF LENS ASSEMBLY AND CP1 BOARD

1. Remove the solder.

2. Remove the solder.

3. Screw 1.4 x 3.5

4. Holder flash

5. Remove the solder.

6. FPC

7. Two screws 1.6 x 4.5

8. Lens assembly

9. CP1 board

– 16 –

2-5. BOARD LOCATION

TB1 board

CP1 board

TB2 board

– 17 –

3. ELECTRICAL ADJUSTMENT

3-1. Table for Servicing Tools

3-2. Equipment

1. Oscilloscope

2. Digital voltmeter

3. AC adaptor

4. PC (IBM R -compatible PC, Pentium processor, Window

98 or Me or 2000 or XP)

3-3. Adjustment Items and Order

1. Lens Adjustment

2. AWB Adjustment

3. CCD White Point Defect Detect Adjustment

4. CCD Black Point And White Point Defect Detect Adjust-

ment In Lighted

Note: Item 1-4 adjustments should be carried out in sequence.

3-4. Setup

1. System requirements

Windows 98 or Me or 2000 or XP

IBM R -compatible PC with pentium processor

CD-ROM drive

USB port

40 MB RAM

Hard disk drive with at least 15 MB available

VGA or SVGA monitor with at least 256-color display

2. Installing calibration software

1. Insert the calibration software installation CD-ROM into your

CD-ROM drive.

2. Open the explorer.

3. Copy the DscCalDI_155 folder on the CD-ROM in the CD-

ROM drive to a folder on the hard disk.

3. Installing USB driver

Install the USB driver with camera or connection kit for PC.

4. Pattern box (color viewer)

Turn on the switch and wait for 30 minutes for aging to take

place before using Color Pure. It is used after adjusting the

chroma meter (VJ8-0192) adjust color temperature to 3100 ±

20 K and luminosity to 900 ± 20 cd/m

. Be careful of handling

the lump and its circumference are high temperature during

use and after power off for a while.

5. Computer screen during adjustment

3-5. Connecting the camera to the computer

1. Line up the arrow on the cable connector with the notch on

the camera's USB port. Insert the connector.

2. Locate a USB port on your computer.

3. Insert the AC adaptor’s cable to DC jack.

4. If “USB CONNECTION” is displayed, choose the “CARD

READER”, and press the SET button.

Ref. No.

Name

Part code

J-1

J-2

J-3

VJ8-0190

VJ8-0297

Pattern box (color viewer)

Calibration software

J-4

Number

Chroma meter

VJ8-0192

Spare lump

VJ8-0191

J-5

J-1 J-2

J-3

J-4

J-5

Discharge jig

VJ8-0188

J-6

Collimator

VJ8-0260

Firmware

Data

AWB

Focus

UV Matrix

R Bright

RGB Offset

Tint

B Bright

Gain

Phase

LCD

Calibration

Upload

PAF Cal.

LCD Type

H AFC Test

VCOMDC

VCOMPP

Cal Data

Cal Mode

EVF

USB storage

Get

Set

VID

Set

PID

Set

Serial

Set

Rev.

Set

Setting

Language

Video Mode

VCO

Factory Code

Hall Cal.

Backrush pulse :

Set

Get

J-7

Spare lump (collimator)

VJ8-0282

– 18 –

3-7. Adjust Specifications

1. Lens Adjustment

Preparation:

POWER switch: ON

If using a ready-made collimator, set to infinity.

Note:

Do not vibrate during the adjustment.

Adjustment method:

1. Set the camera 0 cm from the collimator. (Do not enter any

light.)

2. Set the camera so that it becomes center of the screen in

the collimator.

3. Double-click on the DscCalDi.exe.

4. Click the Focus, and click the Yes.

5. Lens adjustment value will appear on the screen.

6. Click the OK.

Adjustment value determination is effectuated using below val-

ues.

The adjustment values fulfill the conditions below, they are de-

termined as within specifications.

Adjustment value determination

PZ_SW: PSW

PSW: adjustment value of zoom PR switch position

(945<=PSW+PBR<=1010)

PZ_BR: PBR

PBR: adjustment value of zoom backrush pulse

(0<=PBR<=45)

PZ_SP: PSP

PSP: adjustment value of zoom stowing pulse

(210<=PSP<=320)

AF_SW: ASW

ASW: adjustment value of focus PI switch position

(893<=ASW<=985)

AF_BR: ABR

ABR: adjustment value of focus backrush pulse

(0<=ABR<=12)

Camera

Collimator

3-6. The adjustment item which in necessary in part exchange

COMPL PWB CP-1

Lens

Adjustment

AWB

Adjustment

CCD White Point

Defect Detect

Adjustment

CCD Black Point

And White Point

Defect Detect

Adjustment In

Lighted

Factory

Cord

Setting

USB storage

information

registration

Language

Setting

COMPL PWB TB-1

COMPL PWB TB-2

Reset

Setting

: Be sure to carry out the necessary adjustments after replacing the unit.

: Adjustment is possible from the menu setting screen of the camera and by using the calibration software.

LENS ASSY

DscCalDi x

Focus Result

PZ_SW: 950

PZ_BR: 19

PZ_SP: 260

AF_SW: 937

AF_BR: 3

AF_WIDE: 11

AF_MID1: -7

AF_MID2: -22

AF_MID3: -20

AF_TELE: -17

– 19 –

AF_WIDE: ZW

ZW: adjustment value of focus at zoom position wide

(–44<=ZW<=47)

AF_MID1: ZM1

ZM1: adjustment value of focus at zoom position middle1

(–76<=ZM1<=48)

AF_MID2: ZM2

ZM2: adjustment value of focus at zoom position middle2

(–104<=ZM2<=57)

AF_MID3: ZM3

ZM3: adjustment value of focus at zoom position middle3

(–97<=ZM3<=76)

AF_TELE: ZT

ZT: adjustment value of focus at zoom position tele

(–98<=ZT<=94)

Adjustment values other than the above are irrelevant.

2. AWB Adjustment

Preparation:

POWER switch: ON

Adjusting method:

1. When setting the camera in place, set it to an angle so that

nothing appears in any part of the color viewer except the

white section. (Do not enter any light.)

2. Double-click on the DscCalDi.exe.

3. Click the AWB, and click the Yes.

4. AWB adjustment value will appear on the screen.

5. Click the OK.

Adjustment value determination is effectuated using "AGC",

"CHECK" and “MS” values.

If AGC=a1, a2, a3, a4, a5, CHECK=wc0, wc1, wc2, MS= ms1,

ms2 and the adjustment values fulfill the conditions below, they

are determined as within specifications.

Adjustment value determination

100<a1<300, 250<a2<500, 450<a3<650,

550<a4<850, 750<a5<1023

wc0=128 ± 2, wc1=128 ± 2, wc2=130 ± 40

3400<=ms1<=5300, 3450<=ms2<=5350

Adjustment values other than the above are irrelevant.

3. CCD White Point Defect Detect Adjustment

Preparation:

POWER switch: ON

Adjustment method:

1. Double-click on the DscCalDi.exe.

2. Select “CCD Defect” on the LCD “Test”, and click the “Ye s ”.

3. After the adjustment is completed, OK will display.

4. Click the OK.

Camera

Pattern box

(color viewer)

Dsc Calibration

AWB Result:

AGC=152,323,492,661,828

5F_AGC=1,1,0,1

WB=286,519,689

CHECK=128,128,153

MS=4426,4621

IRIS=0

Fno_FOR_ISO=44

SS_FOR_ISO=2400

YLEVEL_FOR_ISO=9513

Copy

– 20 –

3-8. Factory Code Setting

1. Check the "Factory Code" display within the Setting group.

2. For U.S.A., Canada and NTSC general area

If "FC_SANYO_U" does not appear, click on the " " mark

located on the right of the "Factory Code" display BOX and

select "FC_SANYO_U".

3. For Europe and PAL general area

If "FC_SANYO_EX" does not appear, click on the " " mark

located on the right of the "Factory Code" display BOX and

select "FC_SANYO_EX".

3-9. Language Setting

1. Click on the " " mark located on the right of the

"Language" display BOX.

2. Select language. (Default is English.)

3. End "DscCal" and remove the camera before turning the

camera power OFF.

3-10. Program data writing to NAND-Memory

Carry out program data writing to NAND-memory

after replacing CP1 board.

Preparation:

SD card: SD card with data written into the root directory

Data: S81WNxxx.bin (xxx: version)

Overwriting method:

1. Insert the above SD card.

2. Turn on the camera.

3. Press the PLAYBACK button.

4. Press the MENU button. The playback menu appears.

5. Press the down arrow button. The option menu appears.

6. Press the left arrow button for 2 seconds.

FIRMWARE UPDATE will display.

7. Choose YES.

8. Press the SET button. Update is starting.

Note:

Do not turn off the camera’s power or remove the SD card

while the firmware is being updated.

Firmware

Data

AWB

Focus

UV Matrix

R Bright

RGB Offset

Tint

B Bright

Gain

Phase

LCD

Calibration

Upload

PAF Cal.

LCD Type

H AFC Test

VCOMDC

VCOMPP

Cal Data

Cal Mode

EVF

USB storage

Get

Set

VID

Set

PID

Set

Serial

Set

Rev.

Set

Setting

Language

Video Mode

VCO

Factory Code

Hall Cal.

Backrush pulse :

Set

Get

4. CCD Black Point And White Point Defect Detect

Adjustment In Lighted

Preparation:

POWER switch: ON

Setting of pattern box:

Color temperature: 3100 ± 20 (K)

Luminance: 900 ± 20 (cd/m

)

Adjusting method:

1. Set the camera 0 cm from the pattern box. (Do not enter

any light.)

2. Double-click on the DscCalDi.exe.

3. Select “CCD Black” on the LCD “Test”, and click the “Ye s ”.

4. After the adjustment is completed, the number of defect

will appear.

Camera

Pattern box

(color viewer)

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Sanyo VPC-E7 User manual

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Model: VPC-E7

Type: User manual

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