Pioneer x-rsm400dvh, Руководство по обслуживанию

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3-4
7. FLD DISPLAY CHECK
NO
YES
YES
Refer to SMPS troubleshooting
Check if both end voltage of
F1,F2 are over 3.4V
V KK : over 2 6 V
Check
C N 1 0 4 pin1, 2, 3 voltage
input
FLD DISPLAY CHECK
YES
YES
YES
FLD light on ?
YES
Check
C N 3 0 4 connection
and power pin24 : FL + 2 6 ,
pin23 : FL-22,
pin22 : V KK over 2 6 V,
pin1 9:+ 5. 6 V
Check
IC5 0 1( E T 6 315) voltage
pin3 0 V KK: -2 6 V
pin13, 43 :+ 5V
OK
OK
NO
Replace IC5 0 1
NO
If voltage is not 5V,
check input and output of L5 0 2
YES
Check IC5 0 1
Check C N 3 0 4 connection
YES
YES
Check each pin voltage
OK
YES
NO
YES
YES
Check
IC1 0 2 -- > IC5 0 1
data communication
3pin -- > 9 pin STB
2pin -- > 7 pin DATA
4pin -- > 8 pin CL K
OK
NO
Replace IC1 0 2
NO
IC1 0 2 : pin2,3,4
check data Input
YES
Check IC1 0 2
Pin2 data out
check data input
YES