Yamaha R-V702 R-V502 User Manual Page 37

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  • TROUBLESHOOTING
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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
7-13
7-9. DCS Receiver
CONTINUOUS RX ON
RF INPUT : 698CH
AMP : -50dBm
F101 CHECK
pin#9 -65dBm ?
NORMAL CONDITION
catch the channel?
F102 CHECK
pin#31 : 26MHz ?
Vp-p : 860mV?
F101 CHECK
pin#3 -65dBm ?
U102 CHECK
pin#17,18 -65dBm ?
Check soldered status of
C103 C133, L109
CN100
resolder or change
F101, C139, L112
resolder or change
C138, C140, L111
resolder or change
X101 CHECK
clean 3V?
CHECK
U300
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
X101 CHECK
26MHz ?
Vp-p : 950mV?
X101
Resolder or
Change?
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