Philips CDR796, CDR795 KEY BOARD, LIGHTGUIDE BOARD

7-5

0060 A1	1452 A3	3550 A2	3553 A3	3556 C4	6450 B2	7451 C4	F472 A1	F475 A1
1450 A3	1453 A4	3551 A2	3554 A4	3557 C2	6451 B4	F470 B1	F473 A1
1451 A2	1454 A4	3552 A3	3555 C2	3558 C3	7450 C3	F471 B1	F474 A1	4
	1			2		3

7-5

1460 C2		3571 C5	3573 B3	3575 B4	6462 B3	6464 B3	6466 B4	6469 B4		F481 C2
3570 C5		3572 C6	3574 B3	3576 B4	6463 C5	6465 C5	6468 C6	F480 C2		F482 D2
	1		2	3		4	5		6

A

B

C

KEY BOARD

0060

Board			6 F475	+5V	5 –0,25V
			5
				D
Displayfrom/to	1416		F474	KEY_0	5 –0,25V	3550	ON-STANDBY	3551		3552	SPEED
			4					1451	_CDO/C	1450
			F473			820R		1K2		1K8
			3
			F472	LED_SPEED 4,7V/0V
			2
			F471	LED_ON/OFF
			1
			F470	4,9V/0V
		FE-ST-VK-N
						KEY
								+5V
								red	KL
								6450	LST770-
									STANDBY
								3555	390R
						0,7V/0V			on=0,1V
						3557			7450
						10K			BC847B
			. . . V DC VOLTAGES MEASURED IN						D
V EVM			STOP MODE
			UNLESS STATED OTHERWISE
			... /...V on/off
			1			2				3

				A
3553	CDSTOP	3554	1453	PLAY/PAUSE CD
1452		1454
3K9		10K

		B
+5V
blue	LBT776-K1L1
6451
	SPEED
	(key lighting)
3556	82R	C
0,7V/0V	on=0,1V
3558	7451
10K	BC847B
	D
	Key Board CDR79x, 260302

4

LIGHTGUIDE BOARD

+5V

A

(Rec. Indicator)

4x LST770-KL

A

red

+5V

B

3573

390R

3574

390R

3575

390R

3576

390R

3x LBT776-K1L1

B

blue

Board

1460

6462

6464

6466

6469

3570

270R

3571

270R

3572

120R

F480

5 –0,25V

4

C

+5V

3

Display

1414

6463

6465

6468

C

2 F481

on=1,6V

1

F482 LED_red

on=0,4V

from

D

FMN

LED_blue

D

Lightguide Board CDR79x, 270302

1

2

3

4

5

6

. . . V DC VOLTAGES MEASURED IN

V

EVM

STOP MODE

UNLESS STATED OTHERWISE

0060	A1	1452	A3	3550	A2	3553	A3	3556	B3	6450	B2	7451	A3
1450	B1	1453	A3	3551	B2	3554	A3	3557	A1	6451	B3	9451	A2
1451	A1	1454	A4	3552	B2	3555	A2	3558	B2	7450	A2	9452	B3

KEY Board / copperside view

2.3483 303 3103

1460	A1	3571	D1	3573	E1	3575	D1	4461	A1	6462	E1	6464	C1	6466	D1	6469 E1
3570	D1	3572	E1	3574	C1	3576	E1	4463	A1	6463	D1	6465	D1	6468	E1

Lightguide Board/ copperside view

	1460		Red	Blue	Red Blue	Red Blue	Red
LED blue
		4461
LED red
GND		4463	3574
+5V				3571	3575 3570	3573 3572	3576

Lightguide Board stage .2 CDR79x, 270302

Key Board stage .2 CDR79x, 030402