Philips CDR796, CDR795 manual 41

8-3 8-3

BLOCK DIAGRAM Universal Loader CDR Version

CD MECHANISM		MAINBOARD
VAM2201, VAM2202, VAM2204
	DISC				+8V
			M63000				7819
				16,17,20
TURNTABLE			32
MOTOR	FOCUS	FOC+					34	55
	MOTOR		33
		FOC-
			5
	RADIAL	TRA+					3	54
	MOTOR		4
		TRA-
							Standby 36
			13
	SLIDE	SLI+					15	56
	MOTOR		14
		SLI-
			23				19	59
	TURNTABLE	DISC-
	MOTOR		24				21	60
		DISC+
	LASER &						6...12
							25...31
	MONITOR		+5V	+3,3V
	DIODE		2	13	7801
		1
			LD	LD ON		7		64
				CD/RW		11	7803	61
				EQSEL		12		Low = 2x speed 62
		4	MON					High = 1x speed
							7802	3
	PHOTO		LASER CONTROL				High amplification
	DIODES		&
							(4x speed)
	D4	D2-D4 5	HF AMPLIFIER
D1			TZA1024			10		2
	D5		(TZA1025)
	D2 D3
				6,14			Low amplification
					D1-D5
							(1x and 2x speed)
INNER SWITCH
							SPEEDSEL	Low = 4x speed

	3	3			SW INFO
	TRAY		+8V
			2	7815
	SWITCH
			TCA0372
	4	4		8	TRAY OUT
TRAY	2	2	1
				7
	TRAY			6	REF (3,2V)
	MOTOR
	1	1	3
	1806	1830		5	TRAY IN

7802

FO

RA

	SIGNAL PROCESSOR
SL	CD10
	SAA7324 (SAA7325)

MOT1

MOT2

					38
			RESET
LD ON				SILD	42
V4					41
				RAB
V5
				SCL	40
ISLICE
				SDA	39
HF IN
D1
D2				VCC		+3,3V
D3					5,17,21,52,57
D4	V1	DOBM
R1,R2
	63		51

+3,3V

+5V

+8V

		1802
	6	RESET
	5	SILD
	4	RAB
	3	SICL
	2	SDA
	1	GND
	8	GND
	7	SPDIF
7816
+5V
		1805
6802	9	NC
	8	+5V
7820	7	GND
+A	6	+10V
SW INFO	5	SW INFO
TRAY OUT	4	TRAY OUT
TRAY IN	3	TRAY IN
SPEEDSEL	2	SPEEDSEL
	1	NC

Communication CD10 with CDR Module-∝P	CDR Module	1205
	to

Digital Audio

Supply	Board
Control	Interface 1308
	to

4

Blockdiagram Universal Loader 2002 02 12 CDR Version