Philips CDR785/00 Service Manual page 44

1 2 3 4
KEY BOARD LEFT
1480 no key pressed
F470
9 5V
KEY 0
A
F471
8
KEY
LEDS on/off
F472
7
2V/0,6V
F473
6 LED_CON2 CD3 6428
F474
5 LED_CON1 CD2 6427
F475
4 LED_CON0 6426
CD1
B
F476
3
ON-OFF 5V/0V 3x LTG770-LM
2 +5VST 5V
1 +5V
5V/0V
Power
FE-ST-VK-N on/off
F478 F477
C
D
STANDBY
F479
F480
E
1481
SPPH43
3 6
2 5
1 4
F
ON/OFF SWITCH
G
DC VOLTAGES MEASURED IN STOP MODE
. . . V
UNLESS STATED OTHERWISE
V EVM
Key Board left, 140300
1 2 3 4
7-7
5 6
1460 A5
1461 A5
1462 B5
1463 B5
1464 C5
1465 D5
1460
1466 D5
1467 E5
A
CD_1 1468 F5
1469 E5
1470 G5
1461
F460
1480 A1
1481 E2
CD_2
2490 G4
3589 D2
3590 A4
1462
F461 B
3591 B4
3592 B4
CD_3
3593 C4
3594 D4
3595 D4
1463
F462 3596 E4
3597 E4
CD TEXT
3598 F4
3599 G4
C
6426 B3
1464
6427 B3
F463
6428 B3
DISPLAY 6429 D2
6430 B3
6431 B3
1465 6432 B3
F464
6433 D2
F460 A5
REPEAT D
F461 B5
F462 C5
F463 C5
1466
F465
F464 D5
F465 D5
SHUFFLE
F466 E5
F467 F5
F468 F5
1469
F466 E F469 G5
F470 A2
CD CHANGE
F471 A2
F472 A2
F473 A2
1467
F474 B2
F467
F475 B2
F476 B2
PLAY/PAUSE
F477 C2
F
F478 C1
1468
F479 D1
F468
F480 E1
STOP
1470
F469
OPEN/CLOSE G
KEY KEY
5 6
1460 A9 1463 A6 1466 B6 1469 C6
1461 B9 1464 B6 1467 C4 1470 D1
1462 C9 1465 A6 1468 C2 1480 A4
KEY BOARD left / componentside view
on/off
2490 B1 3592 D6 3594 D6
3589 D3 3593 D6 3595 D5
KEY BOARD left / copperside view
2490
3599
3598
3589
on/off
6429
7-7
1481 B2 3596 C5 6432 B4
3590 A8 6430 B9 6433 B3
3591 B8 6431 B4 9460 A4
3597 C4 3599 C1 6427 D9 6429 E3
3598 C3 6426 E9 6428 C9
3595 3594 3593
9461 B4
9462 B5
9463 C5
Key board left CDR785 stage .5, 310300