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SA-NS55E, SA-NS55EG, SA-NS55P, SA-NS55DBEB, SA-NS55GN - Panasonic Audio Service Manual Supplement (repair manual). Page 2

Read Panasonic SA-NS55E / SA-NS55EG / SA-NS55P / SA-NS55DBEB / SA-NS55GN Service Manual Supplement online

1 Troubleshooting Flowchart (CD Section Circuit)
CD can not
playback
Disc
rotating
TOC
reading
IC7001
Pin45 TP50
IC7001
Pin24 (TRP)
R7331 (22K)
& R7323 (3.3K)
Not connect or cut
Display
shows “PLAY”
IC7001
Pin71, 63, 64
IC7001
Pin52, 56, 59
IC7001
NG
IC7002
NG
IC7001
NG
IC7001
NG
Check
main unit
NO
NO
NO
YES
YES
NO output
Output OK
OK
OK
Output NG
Playing time appear on the display screen.
Can not access
IVPP output level
Pin71: BLKCLK
Pin63: LRCK
Pin64: SR DATA
NG
2
SA-NS55E / SA-NS55EG / SA-NS55P / SA-NS55DBEB / SA-NS55GN
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