1-18 (No.MB517)
5.2
SMPS
5.3
DVD Malfunction
STANDBY
LED
normal?
Check
P-SENSE
(smCN02
PIN 9)
Replace SMPS
CHECK
AMP PCB
Set play is
OK?
Check
3V,5V,12V
(SMCN02 pin 3,4,
5,6 SMCN01
pin 9)
Check
SMIC42,SMIC43
SMIC44 input
(PIN NO.1)
Replace SMPS
CHECK AIC01
AT AMP PCB
Replace
SMIC42,43 OR 44
Sound
output OK?
Check
SMCN01 pin
1 to 3
SMNC01
pin 1, pin 4
short?
Replace SMPS
CHECK
DISPLAY CIRCUIT
AT AMP PCB
CHECK AMP PCB
CHECK AMP PCB
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
DVD connector
CN103 pin No.9,10,16
17,18 normal?
AMP PCB
VJ103 LED is normal?
AMP PCB
VIC01 pin No.28 voltage 5V
normal?
AMP PCB
CN101 pin No.24 voltage is
normal?
1.Check the AMP PCB to
FRONT PCB wire open?
2.Check the DVD module
CHECK THE SMPS PCB
CHECK THE AMP PCB +5V LINE
CHECK THE CN107
1.CHECK THE FRONT PCB UIV01
2.REPLACE UIC01
NO
NO
NO
NO
YES
YES
YES
YES