Sony RDR-GX210 Service Manual page 67

QQ
3 7 63 1515 0
No Tuner Audio Output
DISC PLAY Audio Out
is normal?
YES
When AV1,AV2 Input
Audio Out is normal?
YES
IC701 22 pin
ITU_RESET_L is High?
YES
TE
L 13942296513
X701 18.432MHz
Clock is Okay?
YES
IC701 - 2 pin
SIF signal is Okay?
YES
Check IC701 and other circuits
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NO
Check 'When p laying Disc, No audio outp ut'
Check IC703, IC704 (AUDIO SWITCH)
NO
& Check Control signal from MICOM IC501
TUNER - 2pin : High, 4pin : Low
NO
Q501 Base
Video input is Normal?
Check IC504 and other circuits
NO
Check X701,C709,C710
NO
Check TUNER and other circuits
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2 9
8
AV1 - 2pin : High, 4pin : High
AV2 - 2pin : Low , 4pin : Low
NO
YES
Q Q
3 6 7 1 3 1 5
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.
6-6
9 4 2 8
Check X701,C709,C710
0 5 8 2 9 9 4
m
9 9
2 8 9 9