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TROUBLE SHOOTING
DAC5V LINE CONFIRM
3.3V LINE CONFIRM
IC412 PERIPHERAL CIRCUIT
CONFIRM (IC411,IC410 etc)
LOADER CHANGE
MUTE CIRCUIT
Q8880 PERIPHERAL CIRCUIT
CONFIRM
DAC IC870 NG
DAC IC870 PERIPHFRAL CONFIRM
DAC IC870 NG
3.3V,DAC5V
CONFIRM
CN870 Pin18,43
LOADER CHANGE
OK?
IC820 ABCLK
ALRCLK,ASDAT CONFIRM
Pin 40,41,45,46,47
IC820 Pin
FLOATING CONFIRM
IC820 NG
VIDEO COMPOSITE OUT ; OK
TUNER OUTPUT ; OK
VIDEO 1,2 OUTPUT ; OK
DVD/CD OUTPUT ; NG
IC870 Pin9~14
CONFIRM
N
Y
N
N
N
Y
Y
C,SL,SR,SW PERIPHERAL CONFIRM
(IC470,IC480,IC451,IC471,IC481,IC472,IC482,IC483
PERIPHERAL CONFIRM)
MATIRIX SURROUND CONFIRM
(IC493,IC490,IC491 PERIPHERAL CONFIRM)
L,R SIGNAL LINE CONFIRM
(BETWEEN IC450 Pin 3,13
TO IC462 Pin 1,3)
IC870 Pin 9~12 CONFIRM
IC493 Pin 12,13 CONFIRM
TUNER OUTPUT ; L,R OK / C,SL,SR,SW NG
VIDEO 1,2 OUTPUT ; L,R OK / C,SL,SR,SW NG
DVD/CD OUTPUT ; L,R OK / C,SL,SR,SW NG
TUNER OUTPUT ; L,R OK / C,SL,SR,SW NG
VIDEO 1,2 OUTPUT ; L,R OK / C,SL,SR,SW NG
DVD/CD OUTPUT ; L,R OK / C,SL,SR,SW OK
TUNER OUTPUT ; OK
VIDEO 1,2 OUTPUT ; OK
DVD/CD OUTPUT ; L,R OK / C,SL,SR,SW NG
TUNER OUTPUT ; NG
VIDEO 1,2 OUTPUT ; NG
DVD/CD OUTPUT ; L,R NG / C,SL,SR,SW OK
Y