![Harman Kardon CDR 20 Service Manual Download Page 35](http://html1.mh-extra.com/html/harman-kardon/cdr-20/cdr-20_service-manual_599341035.webp)
NO
-
23
-
IC405 Pin 10(CDR/RWS)=“H”?
YES
YES
IC701 Pin 78(RFBETA):
2+/-1.0V?
Is BETA signal nomal?
(IC405 pin 14)
YES
BETA Measurement circuit ceck
IC401 Pin 86(RRF):3+/-1.0V?
RRFIN:2+/0.7V?
(IC401 PIN85)
NO
NO
NO
NO
YES
YES
After inserting Test Dise(TCD-784),
start playing.
K
Check the replace the IC405(BU4052)
•Check the connection of IC401 pin 86.
•Check and replace the IC401
(CXA2551R).
•Check the connection of IC407.
•Check and replace the IC407.
•Check the connection of IC701 pin 20.
•Check and replace the IC701(MICOM).
•Check the connection of IC401 pin 82.
•Check and replace the IC401.
35
CDR20
harman/kardon
Summary of Contents for CDR 20
Page 20: ...3 Troubleshooting Guide In the Initial Lead in Operation Mode 8 20 CDR20 harman kardon ...
Page 21: ...21 CDR20 harman kardon ...
Page 22: ...22 CDR20 harman kardon ...
Page 23: ...23 CDR20 harman kardon ...
Page 37: ... 26 37 harman kardon ...
Page 40: ......
Page 41: ......
Page 65: ... 42 LOCATION GUIDE 65 harman kardon ...
Page 66: ... 43 N LOCATION GUIDE 66 CDR20 harman kardon ...
Page 67: ... 44 RECORD TOP SECTION CD RECORD BOTTOM SECTION 67 CDR20 harman kardon ...
Page 68: ... 45 AUDIO BOTTOM SECTION harman kardon ...
Page 69: ... 46 ECTION 69 CDR20 harman kardon ...
Page 70: ......
Page 71: ... 28 71 CDR20 harman kardon ...
Page 72: ......
Page 73: ...73 harman kardon ...
Page 74: ......
Page 75: ......
Page 76: ......
Page 77: ... 34 77 CDR20 harman kardon ...
Page 78: ......
Page 79: ...harman kardon ...
Page 80: ... 37 80 harman kardon ...
Page 81: ......
Page 82: ...harman kardon ...
Page 83: ... 40 ON 83 CDR20 harman kardon ...
Page 84: ... 41 84 0 harman kardon ...
Page 85: ... 24 85 harman kardon ...