Sqjilmlo
A WORLD OF EXPERIENCE
CZP 3040
CZP 3045
CZP 6040
CZP 6045
COLOUR TELEVISION
SERVICE MANUAL
P.Il. CHASSIS SERIES
iii
CONTENTS
SAFE~PRECAUTIONS ..........................................................................................
SPECIFICATIONS AND Summaries ......................................................................
BLOCK DIAGRAMS .................................................................................................
DISASSEMBLY. . . ....... . . .. . . .. ...... . .... . .... ........ .... .......... ..... . . .... . .. .
SERVICE ADJUSTMENTS .......................................................................................
REMOTE CONTROL PARTS LIST ............................................................................
PURITYAND CONVERGENCE ADJUSTMENTS ......................................................
Cabinet PARTS LISTS ...........................................................................................
TUNER CIRCUIT DIAGRAM ....................................................................................
SAFETY Electrical PARTS LIST .........................................................................
CIRCUIT DIAGRAMS ..............................................................................................
SAFETY PRECAUTIONS
1
2—5
6—9
10—13
14—16
16
17—18
19—22
23
24
Inside Back Cover
1. An isolation transformer should be connected in 3. When replacing a chassis in the cabinet, always
the power line between the receiver and the AC be certain that all the protective devices are
line when servicing circuitry on the primary side
installed properly, such as, control knobs,
of the converter transformer of the set.
adjustment covers or shields, barriers, isolation
2. Comply with all caution and safety-related notes
resistor-capacitor networks etc.
provided on cabinet back, inside the cabinet, on Before returning any television to the customer,
the chassis or the picture tube. the service technician must be sure that it is
completely safe to operate without danger of
electrical shock.
X-RADIATION PRECAUTION
The primary source of X-RADIATION in television receiver is the picture tube. The picture tube is specially
constructed to limit X-RADIATION emissions. For continued X-RADIATION protection, the replacement tube
must be the same type as the original including suffix letter. Excessive high voltage may produce potentially
hazardous X-RADIATION. To avoid such hazards, the high voltage must be maintained within specified limit.
Refer to this service manual high voltage adjustment for specific high voltage limit. If high voltage exceeds
specified limits, take necessary corrective action. Carefully follow the instructions for +Bl volt power supply
adjustment, and high voltage adjustment to maintain the high voltage within the specified limits.
PRODUCT SAFETY NOTICE
Product safety should be considered when a component replacement is made in any area of a receiver.
Components indicated by mark ~ on the schematic diagram designate components where safety can be of
special significance. It is particularly recommended that only parts designated in the parts list be used for the
replacement of components designated by mark ~ . No deviations from resistance wattage or voltage ratings
may be made for replacement items designated by mark
1
i
SPECIFICATIONS CZP 3040
Power source
I AC230V, 50Hz
I
Audio output
1.5W, 10°/0distortion
Power consumption I 47W
I
I Speaker I 8x8cm, 160hm
Television system
System-B/G
Colour system
PAL
Channel coverage
VHF
1—11
UHF
21 — 69
I
Aerial input
impedance 75 ohms
I
Intermediate
Frequencies Video 38.9 MHz
Sound 33.4 MHZ
Colour 34.47 MHZ
Picture tube
34cm diagonal, 90 degree
Type No. 370LHB22
I Hiah voltage
I 25kV at Zero beam
Semiconductors
Dimensions
8 Transistors
4 Ics
Width 463mm
Height 335mm
Depth 370mm
Weight
llkg
SUMMARY
14” COMPACT COLOUR TV
All solid state circuitry for stable quality, less power
consumption and high reliability. Simplified chassis
construction with 1 main circuit board for easy
access and servicing. In-1ine gun, slotted mask
black matrix picture tube with 90° deflection angle.
Convergence-free tube system.
CZP 3040
Instant-Start for instant picture an-d sound in
standby mode. With Automatic Fine Tuning (AFT).
CHANNEL SELECTOR BUTTON
“<\
-
—
—
—
—
—
/
—TUNING BLOCK
—ADAPTOR KNOB
—AFT (AUTOMATIC FINE TUNING)
‘~
POWER SWITCH
—-VOLUME
SPECIFICATIONS CZP 3045
Power source
Power consumption
AC230V, 50Hz
Audio output
I 1.5W, 10°/0distortion
S@eaker
I 8@cm, 16 ohm
50W
Television system
System-B/G
Picture tube
34cm diagonal, 90 degree
Type No. 370 LHB22
Colour system
Channel coverage
Aerial input
impedance
Intermediate
Frequencies
PAL
High voltage
25kV at Zero beam
Semiconductors
16 Transistors
8 ICS
Dimensions
Width
463m m
Height 335mm
Depth 370mm
Weiaht
llka
VHF
1—11
UHF
21 — 69
75 ohms
Video 38.9MHz
Sound
33.4 MHZ
Colour
34.47 MHZ
SUMMARY CZP 3045
14” COMPACT COLOUR TV
Instant-Start for instant picture and sound in standby
All solid state circuitry for stable quality, less power
mode, With Automatic Fine Tuning (AFT).
consumption and high reliability. Simplified chassis With 6 functions infra-red remote control.
construction with 1 main circuit board for easy
access and servicing. In-1ine gun, slotted mask
black matrix picture tube with 90° deflection angle.
Convergence-free tube system.
F
Transducer
Programme Indicator
r
Standby Indicator
r
Programme Selector
(–, +)
_ Programme
Selector
– Volume
_ Power ON/OFF
Switch
-Sound Mute
b-a
f==
II 1/
Power Switch
Volume (–, +
(on/off)
— AFT
— ADAPTOR
-TIE --
I
3
I
SPECIFICATIONS CZP 6040
Power source
AC 230V, 50Hz
Power consumption 67W
Television system
System-B/G
Colour system
PAL
Channel coverage
VHF
1—11
UHF
21 — 69
Aerial input
impedance 75 ohms
Intermediate
Frequencies Video
38.9 MHz
Sound 33.4 MHZ
Colour
34.47 MHZ
Audio output 3.OW, 10°/0distortion
Speaker
8x 12cm, 160hm
Picture tube
48cm diagonal, 90 degree
Type No. 510XAB22
High voltage
27kV at Zero beam
Semiconductors 8 Transistors
4 Ics
Dimensions Width 590mm
Height
427mm
Depth 460mm
Weight 21kg
SUMMARY CZP 6040
20”
COMPACT COLOUR TV
instant-Starl for instant picture and sound in standby -
All solid state circuitry for stable quality, less power
mode, With Automatic Fine Tuning (AFT),
consumption and high reliability. Simplified chassis
construction with 1 main circuit board for easy
access and servicing. In-1ine gun, slotted mask
black matrix picture tube with 90° deflection angle.
Convergence-free tube system,
IIL
PROGRAMME SELECTOR BUTTON
,—AFT
(Automatic Fine Tuning)
~POWER SWITCH
~VOLUME
i
SPECIFICATIONS CZP 6045
Power source AC230V, 50Hz
Power consumption 70W
Television system
System-B/G
Colour system PAL
Channel coverage VHF 1—11
UHF 21 — 69
Aerial input
impedance
75 ohms
Intermediate
Frequencies Video
38.9MHz
Sound 33.4 MHZ
Colour 34.47 MHZ
Audio output
3.OW, 10°/0distortion
Speaker 8x12cm,160hm
Picture tube 48cm diagonal, 90 degree
Type No. 51OXAB22
High voltage 27kV at Zero beam
Semiconductors 17 Transistors
8 ICS
Dimensions Width
590mm
Height 427mm
Depth 460mm
Weight 21kg
SUMMARY CZP 6045
L
21“ COMPACT COLOUR TV
Instant-Start for instant picture and sound in
All solid state circuitry for stable quality, less power
standby mode. With Automatic Fine Tuning (AFT).
consumption and high reliability. Simplified chassis
12 programmed can be automatically found by the
construction with 1 main circuit board for easy
search-tuning system and stores them in the
access and servicing. In-1ine gun, slotted mask
electronic memory.
black matrix picture tube with 90° deflection angle.
With 6 functions infra-red remote control.
Convergence-free tube system.
lIkcudt-
/ “’;
‘aIF_
/l_e
.
.&...’&” ~ / 8
I
t
!
Programme Indicator
~ Maim ON/OFF Switch
Standby Indicator
A Volume
Programme Selector Button
AFT Switch
Tuning Preset Button
Slow Button
Fast Button
Band Button
Band Indicator
AFT Defeat Button
@ Colour
<$ Brightness
~ Contrast
5
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BuFFER
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Q431
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SWITCH
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—- —-- __
FOCWS
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VOLUPIE
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MAIN
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DISASSEMBLY CZP 3040
SCREkV-A
1. BACK COVER REMOVAL
—
1. Remove removing 4 screws (A).
—J
“
II\
2. Release 2 Hook (A) shown in figure (1).
. / 3. Take off ANT Terminal and back cover.
mffml
r,1!
“
-(ANT
- Pull
2. TUNING ASSY BOARD REMOVAL
\u’
1. Take off knobs of front control.
Pull -
Bfizn
+
—
2. Remove 2 screws (B).
3. Then draw out the power switch.
4. Remove 3 screws (C) and release hook B, Guide pin.
Hook (A)
5.
Then draw out the tuning Assy’ board. figure (1)
---HOOK (a
)
DE
Ws
PIN
(B)
5)-+
TERMINAL)
3. PICTURE TUBE REMOVAL
Caution: Do not disturb the deflection yoke or
1.
2.
3.
4.
5.
magnet assembly on CRT neck.
Care must be taken to keep these
assemblies intack.
Discharge picture tube by shorting the
anode connection to chassis ground. (Not
cabinet or other mounting parts).
Remove the cabinet back and chassis.
Place the cabinet face down on a soft surface.
Remove 4 screws (D).
Gently lift out the picture tube and place it on a soft
surface.
Install replacement picture tube in reverse order.
10
DISASSEMBLY CZP 3045
SCREW-A
1. BACK COVER REMOVAL
1. Remove removing 4 screws (A).
2. Release 2 Hook (A) shown in figure (1).
3. Take off ANT Terminal and back cover.
2. TUNING UNIT& RC UNIT REMOVAL
1. Remove 3 screws (B) (on Tuning Board).
2. Release 2 Hook (B) shown in figure (2).
L
3. Take out Tuning unit & RC unit.
SCREWS
(B)
lJ
\
Pull -
TERMINAL)
Hook (A) ~
figure (1)
o
1 4
L \k–,
oa
i
draw out
figure (2)
draw out
SCREWS (C)
3. PICTURE TUBE REMOVAL
Caution:
Do not disturb the deflection yoke or
magnet assembly on CRT neck.
Care must be taken to keep these
assemblies intack.
Discharge picture tube by shorting the
anode connection to chassis ground. (Not
cabinet or other mountina Darts).
1.
2.
3.
4.
5.
Remove the cabinet back and ch;ssis. ‘
Place the cabinet face down on a soft surface.
Remove 4 screws (C).
Gently lift out the picture tube and place it on a soft
surface.
Install replacement picture tube in reverse order.
11
DISASSEMBLY CZP 6040
~.
%
BACK CABINET REMOVAL
1. Unhook the AC cord at hook (A).
2. Remove 4 screws (A).
\
3. Then take off the back cabinet.
=
T-L=sy-
1. Take off knobs of front control.
SCREWS (A)
2. Remove 4 screws (B) and release hook (B).
—HOOK (B) 3. Then draw out the tuning Assy’ board.
?
SCREWS (B)
—
PICTURE TUBE REMOVAL
—
Caution: Do not disturb the deflection yoke or magnet
assembly on CRT neck.
Care must be taken to keep these assemblies
intact.
Discharge picture tube by shorting the anode
connection to chassis ground. (Not cabinet
or other mounting parts).
1. Remove the cabinet back and chassis.
2. Place the cabinet face down on a soft surface.
3. Remove 4 screws (C).
4. Gently lift out the picture tube and place it on a soft
surface.
5. Install replacement picture tube in reverse order.
12
‘w
‘Y@
SCREWS
(c)
DISASSEMBLY CZP 6045
SCR-EWS (A)
V/S BOARD REMOVAL
1. Disconnect mini connectors on V/S board.
2. Remove 2 hooks.
3. Then draw out th is board.
CONTROL BRACKET REMOVAL
1. Remove 3 screws (B).
2. Remove a hook (B).
3. Then draw out this bracket.
HOOK (B)
E
e
SCREWS (B)
a
o
0
63
.0
.
PICTURE TUBE REMOVAL
e. I
Caution: Do not disturb the deflection yoke or magnet
assembly on CRT neck.
Care must be taken to keep these assemblies
intact.
@iiiii4!&.... 1.
\
‘\
‘b
\%
Discharge picture tube by shorting the anode
connection to chassis ground. (Not cabinet
or other mounting parts).
Remove the cabinet back and chassis.
‘yf
2. Place the cabinet face down on a soft surface.
I
3. Remove 4 screws (C).
4. Gently lift out the picture tube and place it on a soft
I
surface.
%
5. Install replacement picture tube in reverse order.
Ii
SCREWS (Cl
13
ADJUSTMENTS
DamFing
n
100
ohm
VI F
SWEEPIMARKER
GENERATOR
D1
“TP-D1” “TP-D2”
DC POWER
CONNECTION
SUPPLY
Main Unit
m’
r
@-
L151
15.5V
“:0 0::
-
“KH-8”
INPUT OUTPUT
I
4–6V
4 “TP-C”
Q
Matching pad
L
I
o.OlpF
!1
a
m~
●“TU-TP”
lK ohm b
I
A..
1
*“L151 –a side”
10K ohm
I
1-
- --’’0101 – collector”
item 1. 1st waveform
2. overall waveform
DC 15.5V KH-8
KH-8
DC4—6V TP-C
Output probe
TP-C
TU-TP
TU-TP
Input probe L151 — a side
L151 — a side
Matching pad
b side
b side
Damping
Not used
Connect (TP-DI – D2)
1]
1]
Adjust T131 for maximum
Adjust tuner converter on
response at 38.9 Hz,
tuner and L101 to obtain
ADJUSTMENTS
proper shape waveform as
figure.
VIF
WAVEFORM
A
38.9 MHz
MHz
31.9 MHZ
.
14
i
AFT
Receive an active station.
Adjust T141 to obtain best picture.
+6 POWER SUPPLYAFT
Receive colour bar pattern.
Connect volt-meter to test point TP-B.
Set’s controls: bright .................min.
colour..,,., ....... norm.
contrast ...............min.
Adjust VR321 for +131 *1 .OV.
AGC
Receive clearest station.
Rotate VR101 fully clockwise and then rotate it
anticlockwise slowly until the snow just dis-
appears.
VIDEO SIGNAL
.-
Receive colour bar pattern.
Connect oscilloscope to test point TP-F.
Adjust VR140 for l. OVp-p as shown in Figure-1.
1P
u
Fig-1 (H)
U
COLOUR
Receive colour bar pattern.
Set’s controls: bright ................max.
colour ............. norm.
contrast, ............. max.
Connect oscilloscope to test point TP-6B.
[1] lH Delay Line
Adjust VR251 for minimum amplitude of “A” as
shown in Figure-2.
Adjust T281 to obtain each 1H waveform
(Amplitude) as shown in Figure-3.
[2] APC
Adjust L241 for maximum amplitude of “B” as
shown in Figure-2.
Fig-2 (Vert.)
I—H-I—l”+
------ ------ -
T_lL(N
-------------
-----------
GREY SCALE TRACKING
Receive B/W circular pattern.
Set’s controls: bright ................max.
contrast .............. max.
Change service tip from KSV-1 to KSV-2.
Drive controls: red (VR612) ........mid range
blue (VR602) ,..... mid range
Bias controls: red (VR611) min.
green (VR621), .....min.
blue (VR601) ........min.
Adjust screen control to obtain just visible one
coloured line.
Advance each bias control to obtain just visible
three coloured line (white line).
Change service tip from KSV-2 to KSV-1.
Adjust red and blue drive controls alternately to
produce normal black and white picture.
Check for proper grey scale tracking at all
brightness levels.
SUB-BRIGHTNESS
Receive B/W circular pattern.
Set’s controls: bright ................max.
colour .....min........min.
contrast ...............min.
Connect volt-meter between tests points (TP-G
(–) and TP-H (+).
Adjust VR21 Ofor 0.07V. CZP 3040/3045.
Adjust VR21 Ofor 0.30V. CZP 6040/6045.
HIGH-VOLTAGE AND HORIZ. WIDTH ADJUST-
MENT
NOTE: +6 power supply, AGC and grey scale
should be adjusted before attempting this
adjustment.
Receive circular pattern.
Set’s controls: bright max.
colour ................min.
contrast.,., .......... max.
Connect high-voltage meter to anode on picture
tube.
Check picture width and high-voltage.
If picture is too wide or narrow, or high-voltage is
not:
(1) 22kV *1 kV when the voltage between tests
points “TP-G” and “TP-H” is 0.7V, cut or short
the lead (J41 3), for CZP 3040/3045.
(2) 24kV *1 .OkV when the voltage between tests
points “TP-G” and “TP-H” is 0.9V, cut or short
the lead (J41 3), for CZP 6040/6045.
I
I HIGH-VOLTAGE IH-WIDTH I
CUT up (approx. 0.5kV)
decrease
SHORT down (approx. 0.5kV) increase
Remarks: This adjustment affects sub-brightness.
Therefore, recheck sub-brightness ad-
justment.
VERTICAL SIZE
Adjust VR450 to obtain proper picture.
Fig-3 (Ho:.)
15
HORIZONTAL CENTRE
Adjust VR421 to obtain proper picture,
VERTICAL CENTRING ADJUSTMENT
Vertical centring can be adjusted by connecting
vertical tip to anyone of three terminals on CZP
6040/6045.
SOUND NORMALIZATION CZP 3045
1. Tune the receiver to an active station.
2. Set sound volume to pre-set position by
turning T.V. set on. (In case the receiver is on
position, turn the receiver off then turn it on).
NOTE: Do not press the sound volume up/down
(+, -) buttons on T.V. receiver or remote
control transmitter during this adjustment.
3. Adjust VR711 to proper sound volume.
u
VR711
IC701
Cl
Fig.4RCBIJARi)
REMOTE CONTROL RC344 PARTS LIST
-TE -run.
I
2
4
SOUND NORMALIZATION CZP 6045
Receive an active station.
Set sound volume to pre-set position to turning
T.V. set on. (In case the receiver is on position, turn
the receiver off then turn it on).
NOTE: Do not press the sound volume up/down
(+, -) buttons on T.V. receiver or remote
control transmitter during this adjustment.
Adjust VR790 to proper sound volume.
c1
IC770
VR790
[
IC71O
Figure4 Vl~BOARD
FOCUS ADJUSTMENT
Adjust focus control on the right side of the chassis
for well defined scanning lines.
Key
Part No.
Description
16
i
PURITY AND CONVERGENCE ADJUSTMENTS
CAUTION: Convergence and Purity havebeenfactory aligned. Do not attempt to tamper with these alignments. However, the
effects of adjacent receiver components, or replace picture tube or deflection yoke may require the need to readjust purity
and convergence. If adjustment is required the adjustments should be made in the following sequence.
PURITY ADJUSTMENT
1, Place the picture tube face north or south and
demagnetize the picture tube and receiver using an
external degausing coil. When replacing picture tube or
deflection yoke, mount deflection yoke and purity-
convergence magnetes assembly properly, see figure 1.
2. Turn Red and Blue guns off to provide only Green raster
by rotating Red and Blue Bias controls fully counter-
clockwise. Slowly rotate Green Bias control clockwise
to produce Green raster.
3. Loosen the screw holding the Deflection Yoke and slide
th eDeflection Yoke backward as far as possible, and
remove the 3 D.Y. spacers.
4. Rotate the spread the Tabs of the two Purity Magnets to
centre the vertical green belt in the picture screen.
D.Y. SPACERS
The Purity Magnets are also adjusted toobtain vertical
centering of the raster.
5. Slowly slide the Deflection Yoke forward until a uniform
green screen is obtained.
6. Check the purity of the red and blue screens for
uniformity, turn off other colours to check this (use bias
controls). Readjust the yoke position if necessary until
all screens are pure.
7. Adjust each Bias control and screen control to obtain
white raster. Refer to Gray Scale Adjustment. If part of
the picture screen is coloured, adjust the Deflection
Yoke position forward or backward slightly.
8. Fasten the screw of the Deflection Yoke. Adjust
Convergence next.
~!lJ
PURITY MAGNET
FOUR-POLE
.
Y/\
/
MAGNET TABS /’\\K
,
\
DEFLECTION YOKE
\&
11
MOUNTING SCREW
1.
J //
SIX-POLE
Figure 1- PURITY AND CONVERGENCE MAGNETS
17
CONVERGENCE ADJUSTMENT
1. Usea dot-crosshatch pattern signal.
3. Keeping the mutual angle of the Tabs of the Four Pole
2. Turn Red and Blue guns on and turn off Green gun,
Magnet turn them together to superimpose the Blue and
refer to Purity Adjustment step 2. Adjust the angle
Red horizontal lines in the centre area of the picture
between the Tabs of the Four Pole Magnet 1 and2, and
screen. Refer to figure2.
superimpose the Red and Blue vertical lines in the centre
4. Turn
Green qunon and adjust six Pole Magnet 3and4
spread
area of the picture screen. Refer to figure2.
Constant
“~
+/-j eotae
——————- L___ --------
I
I
I Adjust tabstogetherto
I
7 superimposeredandblue
~ I horizontal line.
(p&J4EDt
(or narrow)
\
)
Adjust tabs’angle to superimpose
blue and red vertical line
spread (or narrow)
P
34
/==
Figure 2- BLUE AND RED LINE MOVEMENT
OUTER AREA CONVERGENCE
If mis-convergence on the outer area exits, asfollow
so that the ‘Green line superimposes on tie Red/Blue
lines. This is the same rxocedure used in stem 2 and 3.
Refer to f[gure 3,
=3=
+k-4RE+
Adjust tabs angle to superimpose
red/blue and green vertical line.
Constant
Rotate
Adjust tabs together to
superimpose red/blue and
green horizontal line.
Figure 3- BLUE/RED AND GREEN LINE MOVEMENT
adjustment.
I %’i‘? I
/
Deflection
t
“
Yoke
+
ii
v
q
Q
(0
.%ing the Deflection Yoke the - direcxion, Red/Blue lines on the screen move the -direction.
Swing the Deflection Yoke the <>direction, Red/Blue lines on the screen move the.>] airection.
5LUE
,LUEE43.=
““IIz : ‘1””
I
I RED
GREEN
BLUE
Swing the Deflection Yoke the o airemion, Red/Blue iines on the screen move the -direction.
Swing the Deflection Yoke the .:> direction, Red/Blue lines on the screen move the<:> direction.
To fasten the Deflection Yoke, Insert and fix the D.Y. spacer.
18
CABINET PARTS LIST CZP 3040
NOTE: Parts order must contain Service Ref. No,, Key No., Part No., and Description.
..
14
13
Key
No.
1.
2.
3.
4.
5.
6.
7,
8.
9.
2
I
4
‘1,
kiss ~11/ 14$9-’
8
I
I
I
l\
12 11 10
9 15
17
Part
Description
Key
Part
No.
No.
No.
Description
YPO1979
3102651
ETOO08
3MO0745
3MO0295C
KBO023B
K2132
3101346
3M05178
Escutcheon Ass’y
Cabinet
Rod Aerial (2 used)
Aerial Base
Small Knob (3 used)
Button, AFT
Button, Prog. Main (9 used)
AC Cord Holder
Front Panel
10.
11.
12.
13.
14.
15.
16.
17.
3102511A
3MO0119
3MO1O22
3MO0891
3S00732
2PO0327
3101317
317432
Slide Knob, Vol.
Adaptor Knob
Door
Front Panel Dec. Plate
Indicator Plate
Sanyo Badge
Foot (2 used)
Hinge (2 used)
●
19
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Sanyo CZP 3040 User manual
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- User manual
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