CD MODULE PLAYBACK
PRESS <PLAY>
NO
AUDIO?
YES
YES
DISTORTION?
NO
NO
AUDIO
CD OUT PCB?
YES
PLAYBACK CD
MODULE OK
DAC 7309
TESTPOINTS 20, 21, 22 : I2S AT INPUT OF DAC 7309 CHECK POWER SUPPLY PINS 4, 13
CHECK CLK11 AT PIN 6 : 11.2896MHz
PIN 11 : MUTE HIGH?
TESTPOINTS 23, 24 : ANALOG OUTPUT? REPLACE DAC 7309
OPAMP 7120
TESTPOINTS 23, 24 : ANALOG OUTPUT?
POWER SUPPLY: PIN 8 
12V
REPLACE OPAMP 7120
DAC 7309
OPAMP 7120
FLEX TO CDR MAINBOARD
FLEX TO CD OUT BOARD
CHECK I/O BOARD, CD OUT BOARD
CL 96532086_031.eps 080999
Figure
15
