Key Left Board - Philips CDR800/00/17 Service Manual

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1480 A5 1483 C5
1481 E5 1484 C5
1482 D5 1485 B1
1
KEY-LEFT BOARD
A
1485
1 ON-OFF
LED_STBY
2
B
3 LED_AUX
LED_CDR
4
5
KEY 0
F489
6
F490
7
C
FE-ST-VK-N
D
E
. . . V
V EVM
1
2480 A2 3520 A2
KEY LEFT BOARD / copperside view
1480 A2 1481 A6 1482 A4
7-6
2480 C3 3522 D4 6481 B3 F481 C2 F484 D4 F487 B2 F490 C1
3520 C4 3523 D4 6482 B3 F482 C4 F485 E4 F488 B2
3521 C4 6480 B3 F480 B2 F483 D4 F486 B2 F489 C1
2 3 4 5
ON/OFF SWITCH
1480
6
3 ON
F480
5/0V
2 5
F486
1,7/0V 6480 4
1
RED LST 770-KL
OFF
F487
2,4/*V 6481
SPPH4
GREEN LGT 770-LM
F488
2,4/*V 6482
GREEN LGT 770-LM
F481
5V
KEY
1484
F482
CD CHANGE
1483
F483
KEY
OPEN 3CDC
1482
F484
AUX
1481
F485
CDR
KEY
DC VOLTAGES MEASURED IN STOP MODE
UNLESS STATED OTHERWISE
... /...V on/off (* means "floating, not defined")
Key left CDR8xx, 040901
2 3 4 5
3521 B1 3523 A6 6480 A2 6481 A4 6482 A6
1483 C1 1484 B1 1485 A5 3522 A3 9480 A6 9481 A4 9482 A2
A
B
C
D
E
Key Left CDR8xx, 300801
9483 A1
7-6
0051 B1 3531 C3 3533 D3 6490 B3 6492 B3
3530 B3 3532 B3 3534 C3 6491 C3 6493 D3
1 2 3
FRONT-LED BOARD
(RECORDING INDICATION)
A
5 ±0,25V
+5V
0051 6490
B
F495 3530
1 LED-red RED
on=0,2V
F496
220R
T770
2
6492
F497 3532
3 LED-blue RED
on=0,2V
220R
T770
DIPMATE
6494
3534
RED
C
220R
T770
6491
3531
BLUE
68R
T770
6493
3533
BLUE
68R
T770
D
. . . V DC VOLTAGES MEASURED IN
STOP MODE
V EVM
UNLESS STATED OTHERWISE
1 2 3
0051 A5 3531 A3 3533 A2 6490 A3
3530 A4 3532 A2 3534 A1 6491 A3
FRONT LED BOARD / copperside view
RED BLUE RED BLUE RED
It`s Free
6494 C3 F496 B1
F495 B1 F497 B1
4
A
+5V
B
3X LST 770-KL
C
2X LBT 776-KL1
D
Front LED CDR8xx, 040901
4
6492 A2 6494 A1
6493 A2
Front LED Board CDR8xx, 020801