![Harman Kardon CDR 26 Скачать руководство пользователя страница 44](http://html1.mh-extra.com/html/harman-kardon/cdr-26/cdr-26_preliminary-service-manual_599346044.webp)
44
•Check the connection of IC201 pin 13.
•Check and replace the IC201.
•Check the connection lines of IC201.
•Check and replace the IC201.
•Check the connection lines of IC207.
•Check and replace the IC207.
•Check the connection lines of
IC207 pin 21,18.
•Check and replace the IC207.
YES
Are
IC207 pin 29(EFM1),
30(EFM2),42(RESAMP1),
2(RESAMP2), 41(ROPC1)
pulse signals?
Are IC301 pin
31(WFPDSH),32,
33(WBLSH), 34(SPDSH), 35(MPDSH)
pulse signals?
Are PN301
pin30(ODON) 31(W/XR)
pulse signals?
IC207 Pin 27(WGATE)=“H”?
YES
IC301 Pin 50(WLDON)=“H”?
YES
ALPC Logic circuit check
IC207 Pin 33(CDR/RW)=“H”?
IC207 Pin 34(WR/RE)=“H”?
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
Execute ‘E. LD On’ of ‘How to
use Test Tool(Dragon)’:
‘CD-R Recording Mode’
K
Dragon : Execute LD ‘off’
Dragon : Execute LD ‘off’
•Check the connection of IC207 pin 20.
•Check and replace the IC207.
•Check the connection of IC207 pin 7.
•Check and replace the IC207.
•Check the connection of IC207 pin 166.
•Check and replace the IC207.
Содержание CDR 26
Страница 28: ...28 IC403 IC403 2 8 IC402 ...
Страница 47: ......
Страница 51: ...6 436 079 441 076 441 071 080 2 072 436 072A 072A A08 ...
Страница 71: ...71 UIT BOARD DIAGRAMS TOP SIDE LOCATION GUIDE ...
Страница 72: ...72 IN P C BOARD BOTTOM SIDE LOCATION GUIDE ...
Страница 73: ...TOP SIDE ARD LOCATION GUIDE 4 I O P C BOARD BOTTOM SIDE 73 ...
Страница 74: ...74 GRAM UIT DIAGRAM ...
Страница 75: ...75 RAM ...
Страница 76: ...76 ...
Страница 77: ...77 GRAM ...
Страница 78: ...78 M ...
Страница 79: ...79 ...
Страница 80: ...80 ...