Trouble Shooting - Sanyo DC-TS760 Service Manual

TROUBLE SHOOTING

TUNER OUTPUT ; L,R
VIDEO 1,2 OUTPUT ; L,R
DVD/CD OUTPUT ; L,R
C,SL,SR,SW PERIPHERAL CONFIRM
(IC451,471,472,482,483,452,450,491
VIDEO COMPOSITE OUT ; OK
TUNER OUTPUT ; OK
VIDEO 1,2 OUTPUT ; OK
DVD/CD OUTPUT ; NG
LOADER CHANGE
OK?
N
3.3V,DAC5V
CONFIRM
CN870 Pin1,15,18
Y
IC870 Pin17,19,21,23,25,27
CONFIRM
Y
IC800 AMCLK,ALRCLK,
AOUT0~2,ML,MC,MD1 CONFIRM
Pin2~7,12~14,47
N
IC820 Pin
FLOATING CONFIRM
IC820 NG
OK / C,SL,SR,SW NG
OK / C,SL,SR,SW NG
OK / C,SL,SR,SW NG
PERIPHERAL CONFIRM)
Y
LOADER CHANGE
DAC5V LINE CONFIRM
N
3.3V LINE CONFIRM
IC412 PERIPHERAL CIRCUIT
CONFIRM (IC411,IC410 etc)
N DAC IC870 PERIPHFRAL CONFIRM
DAC IC870 NG
MUTE CIRCUIT
Y
Q8880 PERIPHERAL CIRCUIT
CONFIRM
DAC IC870 NG
TUNER OUTPUT ; NG
VIDEO 1,2 OUTPUT ; OK
DVD/CD OUTPUT ; OK
IC460,451 CONFIRM
TUNER OUTPUT ; L,R
VIDEO 1,2 OUTPUT ; L,R
DVD/CD OUTPUT ; L,R
Q SURROUND , Volume CONFIRM
(IC452,451 PERIPHERAL CONFIRM)
- 5 -
OK / C,SL,SR,SW NG
OK / C,SL,SR,SW NG
OK / C,SL,SR,SW OK