HARMAN KARDON CDR26 Repair Manual

CDR25/CDR26 harman/kardon
K
Execute �E. LD OnO of �How to
use Test Tool(Dragon)O: �CD-RW
Recording ModeO
NOYCheck the connection of IC320 pin 20.
IC207 Pin 33(CDR/RW)=OL�?
YCheck and replace the IC203.
YES
NOYCheck the connection of IC320 pin 7.
IC207 Pin 34(CDR/R/W)=OH�?
YCheck and replace the IC203.
YES
NOYCheck the connection of IC301 pin 166.
IC207 Pin 27(WGATE)=OH�?YCheck and replace the IC301.
YES
NOYCheck the connection of IC310 pin 13.
IC207 Pin 46(WLDON)=OH�?
YCheck and replace the IC207.
YES
Are
IC207 pin29(EFM1),NOYCheck the connection lines of IC201.
30(EFM2), 42(RESAMP1), 2(RESAMP2),
YCheck and replace the IC201.
41(ROPC1) pulse signals?
YES
Are
IC301 pin 31(WFPDSH), YCheck the connection lines of IC207.
NO
32(RFPDSH),33(WBLSH),
34(SPDSH), 35(MPDSH)YCheck and replace the IC207.
pulse signals?
YES
Are
YCheck the connection lines of
PN301 pin30(ODON)NO
IC207 pin 21,18.31(W/XR) pulse signals?
YCheck and replace the IC207.
YES
Dragon : Execute LD �offODragon : Execute LD �OffO
Normal

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