Philips CDR796, CDR795 manual CD Board

														8-5																															8-5
1800	D1	1830	H13	2803	B5	2809	B5	2815	E4	2821	E9	2831	I7	2838	D14	2845	B10	2851	J4	2858	F12	2880	F14	3803	C3	3809	B4	3817	B5	3823	E3	3829	D9	3839	I8	3845	I7	3857	G12	3866	D14	3877	B11	3883	F10	3890	I5	3907	F13	3914	I14	3954	J15	3983	J13	7803	F8	7815A	I13
1801	G1	1831	H13	2804	B5	2810	B5	2816	E3	2822	E9	2832	I9	2839	B11	2846	H5	2852	I4	2864	I13	2883	H14	3804	C3	3810	B4	3818	B5	3824	F3	3831	E9	3840	H7	3846	H7	3858	G13	3867	D14	3878	B10	3884	H4	3891	J5	3908	F14	3915	I14	3955	I15	6802	G15	7804	H7	7815B	J13
1802	E15	1832	H13	2805	B5	2811	B5	2817	E6	2824	F10	2833	H9	2840	B11	2847	G4	2853	I4	2868	I15	2884	H15	3805	C4	3811	C4	3819	C5	3825	E7	3832	E10	3841	H7	3848	I9	3862	C15	3868	C14	3879	G5	3885	J4	3892	J5	3910	J14	3923	G15	3963	H7	6804	J15	7805	H8	7816	G15
1805	H15	2800	C1	2806	C5	2812	C5	2818	E7	2825	F10	2835	F12	2842	B11	2848	G5	2854	I5	2876	J15	3800	C1	3806	A4	3814	A5	3820	E4	3826	E7	3833	E8	3842	H8	3849	H8	3863	D14	3869	H5	3880	G5	3886	J4	3894	I5	3911	I14	3924	G15	3980	J14	7800	F3	7806	H8	7819	F3
1806	H13	2801	A5	2807	A5	2813	D4	2819	E10	2828	H7	2836	G13	2843	B10	2849	G4	2856	J5	2877	I13	3801	C1	3807	A4	3815	A5	3821	E2	3827	D6	3835	E10	3843	J8	3850	H8	3864	D14	3871	H5	3881	G5	3887	I5	3895	I5	3912	H13	3944	H7	3981	J14	7801	E5	7807	I8	7820	H15
1810	B10	2802	A5	2808	A5	2814	E4	2820	D10	2829	H7	2837	E14	2844	B10	2850	I4	2857	H4	2878	J13	3802	C3	3808	B4	3816	B5	3822	E2	3828	E7	3836	F7	3844	H9	3856	G10	3865	D14	3873	B14	3882	G5	3889	I5	3896	I4	3913	J13	3953	I15	3982	I13	7802	E9	7811	D12
			1				2				3			4				5				6				7				8			9				10			11				12				13				14				15

CD Board

A

B

C

		+5V
		3800	15R
		3801	15R
CD Drive	2800	4u7
MCD1B	1800

						3806
						22K
						3807
						22K
						3808
						15K
						3809
						15K
						3810
						15K
						3811
						15K
3802	3K3	3803	3K3 3804	3K3	3805	3K3
	B		A	C		D

		3814
330p	2801	10K	2807	220p
		3815
330p	2802	10K	2808	220p
		3816
390p	2803	10K	2809	220p
		3817
390p	2804	10K	2810	220p
		3818
390p	2805	10K	2811	220p
		3819
390p	2806	10K	2812	220p

Laser power control

HF-Amplifier

R2 (CD10)

R1 (CD10)

D4 (CD10)

D3 (CD10)

D2 (CD10)

D1 (CD10)

EYE-PATTERN

800mVpp

+3.3V

+3.3V

3878

3.2V

3877

120R

120R

2843

100n

3.2V

2844

2840

33p

2845

33p

2842

2839

1n5

0u47

1n5

AT-49

17

18

19

20

21

22

1810

VDDA2

LN

LP

VNEG

VPOS

RN

RP

8.46 MHz

TIMING

8M4672

16 CRIN

BITSTREAM DAC

D

15 CROUT

14 VSSA2

13 R2

12 R1

PROCESSING

11 D4

PRE-

23	24	25	26	27	28	29	30	31	32
SELPLL	TEST1	CL16	DATA	WCLK	SCLK	EF		TEST2	KILL
									VSSD1 33
			INTERFACE					INTERF.
			SER. DATA			KILL
							VERSAT. V2V3			34
									WCLI	35
							INTERF.
							LOOPBACK		SDI	36
							SER. DATA
									SCLI	37
		SAA7325						RESETn 38
											1n

3873	10K		+3.3V	+3.3V
	3867	3868	3862	10K (2x)
	2838

PORE

A

B

C

D

E

		VREF	16	VrefCD10
		VCC	15
	E	E	14
	B	D	13
C	A	A	12
	D	B	11
	F

C10

F 9

GND 8

		LD	7		3821
		GND	6		4R7
		MON	5		3822
		F+	4	FOC+	22K
FOCUS	TRACK	T+	3	TRA+
		T-	2	TRA-
		F-	1	FOC-

			LDON		2.8V
		Σ (A-D)	2813		0.7V
			220n
		ESD sensitive lines!
					0.2V
		U >400mV		2814	1V
		->Laser damaged!			4n7
		3820
					4.7V
		+5V
		4R7	2815	4u7	2.0V
2816	47n

68K 3823

0.2V

BC847B 0V 3824

78004K7

TZA1024/ TZA1025

7

PWRON

62x

5 GND

DIN4x

4		1x
3	MON
	CFIL
		V/I
2		Vgap
1	VCCL	V/I
	LD

7801

81.5V

CMFB 90.8V 3827

RFFB 10 1.6V10K

RFEQO 11

CDRW 12

EQSEL 13 3.0V

VCC2	14	4u7
RGADJ	2817

TB = 0.5∝s/div

VrefCD10

0V for single speed

3.2V for double speed

1.4V for quad speed

		ADC
10	D3	FUNCTION
		CONTROL
9	D2
8	D1

	7811
PROCESSOR	MICROCONTROLLER		SDA	39
AUDIO		INTERFACE
			SCL	40
			RAB 41

3866

3865

3864

SDA

SICL

RAB

0V for CD DA

3V for CD RW

		3828
3826		+3.3V
	1K	100R
	1.5V	VrefCD10
3825	1K

3829

VrefCD10

470R

+3.3V

2822

3833	3n3	2821
47K	BC847B
	7802

	2820			1.5V		VREF GEN.
		47n			7	VRIN
			3832
	3831		27K		6	IREF		DEMOD
				3.0V				EFM
	100R		2819	4u7	5 VDDA1
							END	PLL
820p		3835			4	VSSA1	FRONT
	22K							DIG.
					3	ISLICE
HFIN				1.5V				CONTROL
					2 HFIN

			SILD	42
SRAM			STATUS	43	2837
ADDR			TEST3	44
CORR.	DET.	SUBCODE PROCESSOR	RCK 45
ERROR	PEAK
			SUB 46
STAGES	INTERF.
	EBU		SFSY 47

3863

470R(5x)

27p

SILD

1802

8

SDA 7

SICL 6

RAB 5

SILD 4

PORE 3

CDR Module (1205)

0.6V at 1x

0.6V at 2x

0V at 4x

used SPEEDSEL V5

MOTOR

OUTPUT

2

2825 68p

SPDIF

		1.4V			INTERFACE		MOTO2	MOTO1	VSSD3
					VERSATILE
2824		1 HFREF
	47n			V1	V5	V4
		+3.3V	LDON
			64		63	62	61	60	59

VDDD2C

58

SL

57

FO	RA
56	55

54

CFLG

VDDD1P	DOEM		VSSD2	SBSY 48
				CL114
53	52	51	50	49

1

To

D

E

F

G

H

I

J

1Innersw

	INNERSW.		2
	_		3	SLI-		7819			M63000
										Servo Driver
	SLIDE		4	SLI+												Vref		Vref
	+
		_	5	DIS-	TRA+	5				+						2849		3882
	DISC	+															1n		22K
			6	DIS+
side entry connector			PH-S									3	1.5V							3881			3880	TRACK
			1801																	10K	2848	1n	10K
					TRA-	4
										-
																Vref		Vref
					FOC+ 32					-						2847	1n	3879	18K
		Focus search
												34	1.5V							3871			3869	FOCUS
			+	2V
			-																	10K	2846		10K
		1s			FOC-	33																1n
										+		20
						25					VCC		8V
												17								+8V
						26					VCC
												16
						27					REG. Vref				2857	220u
						28											3884
						29					Standby	36	2.8V							LDON
						30
																	1K
															2850*			Vref		Vref			+3.3V
						35				Motor Driver						47u
						31
										-		18	NC					2854	47n	3890	8K2		3887	82K
					DISC-	23
											+	19	1.5V									3889		M1
													2853		100n				3895			27K
											-	21				1.5V								M2
					DISC+	24							2852		47n	3896			27K
										+		22					8K2			Vref		3894	82K
																		Vref
													1.9V
					SLI+	13				+								2856	220n	3892	15K
												15	1.6V										3891	SLIDE
																							100K
					SLI-	14				-							3885
												1	Vref IN		1.6V
											REG									+3Servo
																	1K
													2851		3886
						6	7	8	9	10 11 12	2			47n		1K
	...V DC voltages measured in
		PLAY MODE
V	EVM	with following conditions:									1,6V
		"+A" = 11,6V																		Vref

"+5V" = 5V

3836

100K

BC847B

7803

SPEEDSEL

speed		from ∝P	from CD10
	1x	H (5V)	L (0V)
	2x	H (5V)	H (3,3V)
	4x	L (0V)	x

10K	3883	2.8V
LDON
to 7801 & 7819		+3servo

2858

100n

2835

3.2V

3.2V	3907
DOBM
	470R	3908

SPDIF

100R 2880 100p

voltage stab.

Innersw 22K 3856

47u 15R

3857

3858

+3servo

33R

+3.3V

3.3V

BC847B 4.0V 7816 3924

33R

Quad speed equalisation

22R

22R

3963

3944

3846

4K7

3849

330K

2829

1u

BC847B

4.5V

7806

3.3V

BFS20

BC857C

3840

38411.7V

2833

3844

2.7V7805

2.7V

1K5

1K2

12p

7804

3842

1K

330K

3850

1n5

330R

2828

1V

2831

4.4V at 1x and 2x

3839

22K

2.1V at 4x

27p

3845

3K9

BC847C

3848

2832

1.6V

7807

1.7V

1K

2n2

2.3V at 1x and 2x

0V at 4x

3843

22K

SPEEDSEL

			2836									4.1V			3923
	+3.3V			47u										6802
												BZX284	C3V9		100R
3V	for CD_DA: 0V
	for CD_RW: 3V	TRAY-MOTOR						+5V	5.0V
																	1805
		1831									7820
0V					1832												9
										MC7808CT
		M
								+8V	8.0V 3			1	10.8V..13.2V			+5V	8
										OUT	GND	IN
		1	2	3	4	1806			2883	1u		2884	1u				7
											2					+A	6
						1830
		1	2	3	4										SW_INFO		5
											SW_INFO				TRAY OUT		4
																	3
						3912									TRAY IN
EYE-PATTERN						56K									SPEEDSEL		2
						7815-A											1
								3911
					TCA0372						TRAY OUT
							8
					1			56K

800mVpp

TB = 0.5∝s/div

2877 3982

+8V

M2 M1 SLIDE FOCUS TRACK

	47R
	100n
	8V
2864	47u

2

3

7815-B 4 TCA0372

7

6

5

3980	15K
3981	10K

3955

3914 3915

220R 220R

6804

10K	3953	10K		TRAY IN		TRAY OUT
			Tray stop	5V	5V
			Tray stop	0V	0V
			Moving in	0V	5V
5,1V			Moving out	5V	0V
BZX284-C5V1 2876	47n
	3954	10K

To Interface Board (1308)

		3913	3910	TRAY IN
3983	47R	56K	56K
2878	100n
SPEEDSEL				SPEEDSEL

Universal Loader CDR Version 2002 01 14

F

G

H

I

J

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