Service manual

35
TROUBLE SHOOTING
When no sound
is heard
Check IC601 sound signals.
#27, #28
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
NO NO YES
NO
C604, RC605
C605, RC615
DC603, C606
Check C612
Chack
IC601#47, #48
IA01#32, #33
YES
YES
IC606
#11, #12, #13
#65, #66, #80
Check B+
Check
IC601 #2, #3
I2C
Check
IC601 #21
Reset
Check
C603, RC604
Check
DC601, DC602
RC602, RC603
LC601, C601, CC601
RC601, L601, C618
CC615, LC602, C602
Check CC607
Check
IA01
#44,#46
sound.
Check
CC120,CC122
CCK2,CCK3
RCK4, RCK5
DCK5, DCK6
DCK7, DCK8
Check
CC102CCI04C
CK5CCK6
RCK9, RCK10
DCK13, DCK14
DCK15, DCK16
END
#3
#1
#2
Check
CC107CCI09
RCT13, RCT14
DCT11
DCT12, DCT14
DCT15, DCT16
DCT17
Check
IA01
#2,#4
sound.
Check
IA01
#8,#10
sound.
Check
RC606
RC607
C608
C609
IC601
#38, #39, #40
Check B+
YES
Check IC601 input sound signals.
SIF:#67 A/V:#47, #48
Component1:#50, #51
Componen2:#53, #54
YES