CAR NAVIGATION SYSTEM
SERVICE MANUAL
MODEL: LNC1200EEFS
SERVICE MANUAL
MODEL: LNC1200EEFS
[CONTENTS]
SECTION 1. SPECIFICATION
SECTION 2. NAME OF EACH PART
SECTION 3. OVERALL BLOCK DIAGRAM
SECTION 4. EXPLODED VIEWS
SECTION 5. FRONT PART
SECTION 6. MAIN PART
SECTION 7. AUDIO PART
SECTION 8. TROUBLESHOOTING GUIDE
SECTION 1. SPECIFICATION
[CONTENTS]
• SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-1
SPECIFICATION
GENERAL
Output Power .........................................................................................................Digital Output (S/PDIF)
Power Source ............................................................................................................................DC 14.4 V
Ground System ............................................................................................................................ Negative
Dimensions (W x H x D) .................................................................................262.54 x 156.2 x 236.2 mm
Net Weight ........................................................................................................................................2.8 kg
DISPLAY
LCD ................................................................................................................17.78 cm (7 inch) TFT LCD
Resolution .................................................................................................................................. 800 X 480
Back Light .................................................................................................................................. LED Type
CD SECTION
Frequency Response .......................................................................................................20 Hz to 20 kHz
S/N Ratio .......................................................................................................................................... 70 dB
Distortion .......................................................................................................................................... 0.3 %
Channel Separation (1 kHz) ............................................................................................................. 60 dB
RADIO SECTION
FM
Frequency Range ............................................................................................................ 87.5 to 108 MHz
S/N Ratio .......................................................................................................................................... 50 dB
Distortion ............................................................................................................................................. 1 %
Usable Sensitivity .........................................................................................................................12 dBμV
AM (MW)
Frequency Range ............................................................................................................ 522 to 1620 kHz
S/N Ratio .......................................................................................................................................... 45 dB
Distortion .......................................................................................................................................... 1.0 %
Usable Sensitivity .........................................................................................................................35 dBμV
SECTION 2. NAME OF EACH PART
[CONTENTS]
• CONTROL PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
• STEERING WHEEL REMOTE CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-1
CONTROL PANEL
1. Disc slot
2. Eject (
)
Press to eject a disc from the unit.
3. RESET hole
Press with thin object to reset the unit when it
does not operate normally.
4. FM/AM
Press to select FM/AM band.
5. MEDIA
Press to select a source: CD/USB/iPod/BT/AUX
6. Display on/off (
)
Press to switch between the display on and off.
7. LCD
Touch to operate.
8. Left knob (POWER/VOLUME)
- Press: power on/off
- Turn: volume control
9. Info (
)
Press to view the destination, route, and traffic
information.
• Destination: shows the information of current
vehicle position and destination.
• Route: shows the route information.
• Traffic: shows the traffic information.
- Traffic info on route: the list of traffic
information on active route.
- Traffic info nearby: the list of traffic
information around the current vehicle
position.
10.
SEEK/TRACK
• Press to:
- Automatic tuning:
- Track up/down:
• Press and hold to:
- Search (FF/REW):
11. SETUP (
)
• Press to access system settings.
• Press and hold to check the device ID, the
software version, the navigation version, and
the map version.
12. Right knob (TUNE)
Rotate it clockwise/counterclockwise.
•
Searches the previous or next radio frequency.
- Manual tuning
• Skips a track/file up/down in all list screen.
• ZOOM IN/ZOOM OUT
- Rotate to change the map scale on the map
screen.
Repeat voice guidance (
)
Push to repeat the last guidance advice when
guidance is active.
13. PHONE ( )
Press to operate Bluetooth HandsFree function.
14. NAV
Press to enter destination menu.
Various methods for entering a destination are
available.
15. MAP
Press to display the map.
16. CD indicator light (CD-IN)
When a disc is inserted, the indicator is
illuminated.
17. Clock (
)
•
Press to display the digital/analog clock and
outside temperature in both power on/off status.
• Press and hold to display to the [Clock] menu.
4
5
6
7
14
8
13
12
1110
1
2
9
15
16
17
3
RADIO
USB
CD
iPod
BT
USB
CD BT
iPod
2-2
STEERING WHEEL REMOTE CONTROL
1
2
3
4
5
6
1. MODE
Press to select a source.
FM → AM → CD → USB (or iPod) → BT
→ AUX → FM...
2. Volume (VOL+/VOL-)
Increases or decreases the volume level.
3.
• Press to:
- Automatic tuning:
- Track up/down:
• Press and hold to:
- Manual tuning:
- Search (FF/REW):
4.
Press to operate Bluetooth HandsFree function.
• Press to accept a call.
• Press to make a call from last calls.
• Press and hold to switch the sound path
during a call.
(Hands free ↔ phone)
5.
Press to hang up a call.
6.
• Press to activate voice recognition mode.
• Press once more to cancel voice recognition.
RADIO
USB
CD
iPod
BT
RADIO
USB CD
BT
iPod
SECTION 3. OVERALL BLOCK DIAGRAM
[CONTENTS]
• OVERALL BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3-23-1
OVERALL BLOCK DIAGRAM
DDR2
DDR2
Main Board Audio Board
DDR2
(128 MB)
CD
SPDIF
EXTERNAL AMP
I2C
i-NAND
(8 GB)
DDR2
(128 MB)
DDR2
(128 MB)
DDR2
(128 MB)
GPS
SDRAM
LCD
DSP
AC97
AUX Audio In
I
2
S1
I
2
S
7" LCD
Module
Stereo
Codec
Stereo
Codec
L/R
MIC Touch
NAVI
MEDIA
Sub
Main
Tuner
SD0
SPDIF
ECHO
Canceller
GPS
Module
I2S
SPDIF
A
U1354
(800 MHz)
USB
I
2
C
UART
I
2
C
I
2
S
Echo Canceller
I
2
S1
I
2
S
I-POD
Protector
CAN
CAN
CAN
Transceiver
UART0
Sub
Tuner
UART1
AIN
Debug
D+/D-
I
2
C2
CD Deck
I2C
Local Bus
4 CH UART
Controller
Video In
Micom
ADC
GPIO
UART3
Transceiver
NOR Flash
Video
Decoder
PGS (rear camera video)
Bluetooth
Echo
Canceller
PCM
KEY
MICOM
AUX video input
MIC
Video Decoder
AU1354
(UART 3)
Button key
Front Board
Module
MICOM
(TW8816)
7.0” LCD Panel
Touch Panel
Button key
RGB666
IFAD
AIN
SPDIF
SECTION 4. EXPLODED VIEWS
[CONTENTS]
• FRONT PART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
• CABINET AND MAIN FRAME PART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4-24-1
FRONT PART
B
A41
A42
268
A43
469
459
451
451
459
459
A
B
F
A
C
D
260
261
C
D
F
250
FRONT
269
451
451
CABLE1
CABLE1
CABLE2
CABLE3
478
478
CABINET AND MAIN FRAME PART
270
451
451
451
451
451
451
451
A
300
453
301
453
472
283
282
451
469
281
280
273
A50
A47
AUDIO & POWER
MAIN
451
451
272
B
451
A44
A26
CABLE5
271
A
B
4-44-3
SECTION 5. FRONT PART
[CONTENTS]
• FRONT BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
• FRONT PRINTED CIRCUIT BOARD (TOP VIEW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
• FRONT PRINTED CIRCUIT BOARD (BOTTOM VIEW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
FRONT BLOCK DIAGRAM
< Front Block Diagram >
< Main Block >
R [7~2]
G [7~2]
R [7~0]
G [7~0]
CVBS (Rear Camera)
Video
Decoder
(TW8816)
B [7~2]
HSYNC
VSYNC
CLKV
B [7~0]
BIAS
LCLK
PCLK
CLKH
MAIN
BOARD
7.0”
LCD
Panel
VSYNC
TOU
CH
SCR
EEN
X-, X+, Y-, Y+
WM9713
4
FCLK
VCOM VOLTAGE
r-VOLTAGE
10
3.3 V
K
ey
I2C
KEY_RX, TX
B/T
Module
BT_RX, TX
RESET
PCM
4
4
SPI_CS, CLK, TX, RX
4
2
ey
MICOM
AUDIO
BOARD
POWER/EJECT/VOLUME+/-
Switch
Key
BACKLIGHT ON/OFF
DCDC
+
LCD_PWM (Brightness Control)
LED BLU
EN
Volume Key
BOARD
POWER
BLOCK
LCD7.4 V, LCD5 V, LCD3.3 V
ILL+, ILL-
DCDC
LED Driver
(AAT2823)
Reset
Key
Reset
5-25-1
FRONT PRINTED CIRCUIT BOARD (TOP VIEW)
5-3 5-4
FRONT PRINTED CIRCUIT BOARD (BOTTOM VIEW)
5-5 5-6
SECTION 6. MAIN PART
[CONTENTS]
• MAIN BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
• MAIN PRINTED CIRCUIT BOARD (TOP VIEW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
• MAIN PRINTED CIRCUIT BOARD (BOTTOM VIEW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
MAIN BLOCK DIAGRAM
Main Board
I2C
DE MULTIPLEXER
74LVC138APW
AU_ADDR[4]/[5]
AU_CS2#
RAD
HPI STATIC BUS
CS[1-4]
GPIO
3341S2313
CP 2.0B
Front
Board
I2C
AU1354
(800 MHz)
18
PIN
4CH UART -EXPANDER
SC16C754BIBM
BUFFER
AU_ADDR[1-3]
AU_DATA[0-7]
RAD
RD
Debug
UART0
B/T
PSC3
MP3
Decoder
C2I ,S2IS2I
IO EXPANDER
RESET /
POWER ON
DDR2(128 MB)
DDR2(128 MB)
DDR2(128 MB)
DDR2(12 8MB)
AC’97
Audio+Touch
CODEC
I2C
AC97
MEDIA
(DSP)
I2S
PSC1
PSC2
Touch
MIC
U
S
SD RAM
UART1
MICOM
GPS RX/TX
GPS Module
RAD
RD
LATCH
SD0
UART3
Co
nn
ecto
r
S
B
D+ / D-
VIDEO DECODER
TW9910
KEY RX/TX
CVBS (CAMERA)
CVBS (AUX)
YMUX2
YMUX1
YMUX0
KEY
MICOM
Nor Flash
(128 Mbit)
i-NAND (8 G)
Co ecto
I2S
Audio Board
24PIN JACK
RS422 TRANSCEIVER
MAX3077EESA
DIRANA
SAF7741HV
CAMERA
AUX
I2S
AUDIO IN
42PIN JACK
AUDIO OUT +/- (TMU)
CAN IC
AUDIO MICOM
USB
CD CONNECTOR
6-26-1
MAIN PRINTED CIRCUIT BOARD (TOP VIEW)
6-46-3
MAIN PRINTED CIRCUIT BOARD (BOTTOM VIEW)
6-5 6-6
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