Sony RDR-GX210 Service Manual page 64

QQ
3 7 63 1515 0
No 5.0VD
Is the Vcc(5.3V)
supplied to Q120 Emittor?
YES
Is the Q120 Base 'H'?
YES
Check or Replace the Q120
No 3.3V
TE
L 13942296513
Is there about 3.7V at the
IC152 pin1?
YES
Is there about 3.3V~ 5V at
the IC152 pin4?
YES
Check the IC152 and
Replace
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http://www.xiaoyu163.com
NO
NO
Check the PWR CTL "H"
signal from µ-com
NO
Check or Replace the D111
NO
Check the PWR CTL "H"
signal from µ-com
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http://www.xiaoyu163.com
2 9
8
Check or Replace
the D125
Q Q
3 6 7 1 3
.
6-3
9 4 2 8
1 5 0 5 8 2 9 9 4
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co
9 9
2 8 9 9