_ _
25
NAVI
DVD
MODE?
B
E
VIDEO
A
NO POWER
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Is the Power supply switch(SW110)turned ON?
Then turn the Power supply switch ON.
Confirm 5V at Q572 emitter voltage.
Then check around Q572.
Confirm 5V at pin 1 of IC570.
Then check around IC570,Q570
and Q571.
Confirm 14V
at
D140 cathode side.
Then check around IC140.
Confirm 5.3V
at
DZ111 cathode side.
Then check around IC110.
Confirm 3.6V
at
DZ110 cathode side.
Refer to [NO IMAGE] [NO SOUND]
NO IMAGE
Confirm CS402 is inserted correctly.
Then insert CS402 correctly.
Confirm CS401and CS051 are inserted
correctly.
Then insert CS401and CS051
correctly.
Confirm the signal at pin 9,13 of IC055.
Then check around IC055.
Is the DC 9.0V connected to the
Then connect the DC 9.0V.
Power supply socket(JK110)?
TROUBLE SHOOTING
Summary of Contents for NV-E7000 - Portable GPS And Mobile DVD Entertainment System
Page 4: ..._ _ 3 COMPONENT NAMES AND FUNCTIONS MAIN UNIT DVD VIDEO CD OPERATION ...
Page 6: ..._ _ 5 COMPONENT NAMES AND FUNCTIONS DVD VIDEO CD OPERATION REMOTE CONTROL ...
Page 8: ...COMPONENT NAMES AND FUNCTIONS _ _ 7 MAIN UNIT OPERATING THE NAVIGATION UNIT ...
Page 10: ..._ _ 9 COMPONENT NAMES AND FUNCTIONS REMOTE CONTROL OPERATING THE NAVIGATION UNIT ...
Page 34: ..._ _ 33 MDVC07 1RA4U20A36300 41 PCB 1 45 44 44 44 43 43 43 42 EXPLODED VIEW DVD ROM MECHANISM ...
Page 61: ..._ _ 77 WIRING DIAGRAM _ _ 76 DVD P C B ...
Page 62: ..._ _ 78 _ _ 79 SERVO P C B DVD MECHANISM DVD P C B CS651 WIRING DIAGRAM ...
Page 63: ..._ _ 81 WIRING DIAGRAM _ _ 80 SERVO P C B ...
Page 67: ..._ _ 89 SCHEMATIC DIAGRAM _ _ 88 SPINDLE MOTOR ...