HARMAN KARDON CDR25 Repair Manual

CDR25/CDR26 harman/kardon
LD CHECK (Not Recored)
F
Execute �E.LD OnO of �How to use
Test Tool(Dragon) :
�VWDC-1 LoopO
NOYCheck the connection of IC207 pin 20.
PN301 Pin 32(ENBL)=�HO?
YCheck and replace the IC207(CPLD).
YES
YCheck the connection of IC310 pin
NO
PN301 Pin 31(W/XR)=�HO?18,29 and 34.
YCheck and replace the IC207(CPLD).
YES
IC301(WREF)NOYCheck the connection of IC304 pin 4.
0.5+/-0.2V? YCheck and replace the IC304(DAC)
YES
YCheck the connection of PN304 pin 19.
NO
IC301 Pin 99(FPDO):YCheck and replace the PN301 PICK
2.9+/-0.3V,
UP.
YES
YCheck the connection of IC301 pin 8.
NO
PN301 Pin 27(VWDC1):YCheck the connection of IC304 pin 13.
1.2+/-0.8V,
YCheck and replace the IC301, IC304.
YES
Execute �D.LD InspectionO of
�How to use Test Tool(Dragon)O
Check the IC P/U connector and
replace the P/UYES
VWDC NG?
NO
Normal

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