Clarion NX700 Service Manual page 11

SCREEN FLICKER
CHECK ITEM
1 HORIZONTAL LINE VCOM_DC ADJUSTMENT
NECK AND THE LOUPE ARE
SHAKEN UP AND DOWN,
HORIZONTAL LINE IS FLICKER.
2 DC VOLTAGE OF TP172: VCOM_DC ADJUSTMENT, DISPLAY
APPROX. 1.0V TO 2.0V
THE CENTER VALUE
OF VOLTAGE
MEASURE THE CENTER VALUE
OF VOLTAGE OR
MEASURE THE DC VOLTAGE
WITH THE TESTER
ABOUT THE DC VOLTAGE
OF TP172.
3 VOLTAGE OF CIRCUIT LINE OF VCOM, OP9V, VGL
OP9V(TP151), VGL(TP177) AND VGH
PORT OF MOSES(IC103)
4 5V POWER VOLTAGE(MAIN_DD CON)
CONNECTION OF FLEX PWB
ELECTRICAL PARTS OF MOSES(IC103)
SCREEN NOISE
CHECK ITEM
HORINZONTAL LINE
1 CIRCUIT LINE OF MOSES(IC103)
L112, L113, C211, C212
2 DIAGONAL HEAVY LINE
SOLDER THE SHIELD CASE OF
THE INVERTER CIRCUIT WITH GND
FOR THE UNSOLDER.
STOP THE DISPLAY
WITH THE SCREW
WHEN IT IS NOT A SCREW STOP
(ONE PLACE) TO THE LCD BRACKET.
3
NOISE FOR DC DC CONVERTER
DIAGONAL DETAILED LINE
TO MAIN SIDE
(CAPACITOR AT OUTPUT OF
4 MOSES(IC103) INTERNAL RESISTOR
ONLY STEP
ON TEN STEP SCREEN
THAT IS FLICKERS.
CHECK POINT
CHECK POINT
DD_CON 5V, MAINLY)
DVD/CD
LOADING/EJECT TROUBLE
CHECK ITEM
1 DVD8V
2 DVD3.3, 1.8V
3 COMMUNICATION
4 DISC DETECT
5 STACK
6 TIME OUT
7 MECHANISM
PLAY TROUBLE
CHECK ITEM
1 DISC
2 DVD5V
3 FIRMWARE
4 MECHANISM
PLAY TROUBLE(STOP)
CHECK ITEM
1 DISC
2 PICK UP
3 TEMPERATURE
4 MECHANISM
Others
REMOTE CONTROL TROUBLE
CHECK ITEM
1 REM5V
2 OUTPUT OF IR RECEIVER IR901:PANEL-B
3 SYSTEM CONTROLLER(IC503)
ILLUMINATION TROUBLE
CHECK ITEM
1 B/U POWER SUPPLY
2 LED
- 11 -
CHECK POINT
L412,Q403,FPC,J401,MECH
IC491, L409,L411,FPC,J401,MECH
L401,L402,L403,FPC,J401,MECH
DETECT LINE
MECH,ES,DISC
LOADING LINE
CHECK POINT
ERROR DISPLAY
REGION,PARENTAL LEVEL
L408,Q401,FPC,J401,MECH
MECH VER.
CHECK POINT
DISC CONDITION
CLEANING
INSTALLATION POSITION
CHECK POINT
REM5V LINE
CHECK POINT
J901:PANEL-B,FPC,J501:MAIN
NX700/NX700E