Daewoo DVG - 5300N, DVG - 8400N service manual Audio Video DAC Circuit Diagram, For YUV For Scart

AUDIO VIDEO DAC CIRCUIT DIAGRAM

[ 1,4 ]	VCCA		VCCA
[ 1,2,3,5 ]		VCC	VCC
[ 1,2,3,5 ]		GND	GND		L11
				VCCA		+5VA
			+12V		FB 1206
[ 1,4 ]	+12V				+5VA
[ 1,4 ]	+12V		+12V
			DV33	C136		C137	C138	C139
[ 2 ]		DV33		0.1u		10u	10u	0.1u
ACLK			RN2	33x4	SACLK
			1	2
ABCK			3	4	SBCLK
ALRCK			5	6	SLRCK
ASDAT0			7	8	SDAT0
ASDAT1			R67	33	SDAT1
ASDAT2			R68	33	SDAT2

	+5VA			U11	WM8746			+5VA
			1	DVDD		AVDD1	15
							28
	R62					AVDD2
	4.7k		11	DGND			20
						AGND1
							24
			12			AGND2
				LATCH/12S
			13				26
				SCLK/IWL		GR0
			14				22
			9	SDIN/DM0		GR1	18
				MUTE		GR2
	VAUD		8			OUT0L	25	LMAIN
				MODE
							27	RMAIN
						OUT0R
ALRCK	R65	OPEN	10	LRCLK2		OUT1L	21	LREAR
SACLK			2
SBCLK			3	MCLK			23	RREAR
SLRCK			4	BCLK		OUT1R
SDAT0			5	LRCLK			17	CENT
SDAT1			6	DIN0		OUT2L
SDAT2			7	DIN1			19	LFE
				DIN2		OUT2R
						CAP	16		VQ
								C142	C143
								0.1u	10u

		U12
SLRCK	1	LRCK	MCLK	14	SACLK
SDAT0	2			13	VAUD
SBCLK	3	SDATA	FORMAT	12
	4	BCLK	DEEMPH	11
VQ		NC	NC
	5			10
RMAIN	6	CAP	MUTE	9	LMAIN
	7	AOUTR	AOUTL	8
		GND	Vcc		+5VA
		WM8726 NC

		U1
RST_TVE	1	RST		MUTEC	16	LMAIN
SDAT0	2				15
SBCLK	3	SDATA		AOUTL	14		+5VA
SLRCK	4	SCLK/DEM1		Vcc	13
SACLK	5	LRCK		GND	12	RMAIN
	6	MCLK		AOUTR	11
	7	DIF1	REF_GND		10	VQ
		DIF0		VQ
	8				9
		DEM0		FILT+
		CS4340				C152	+
							C163
						0.1u	10u

SCART-TV	SCART-TV	[ 5 ]
VIDEO_MODE	VIDEO_MODE [ 5 ]
SY/Y/R	SY/Y/R	[ 5 ]
SC/U/G	SC/U/G	[ 5 ]
CVBS/V/B	CVBS/V/B	[ 5 ]
CVBS_SCART	CVBS_SCART[ 5 ]
+5VV	+5VV	[ 5 ]
VGND	VGND	[ 1,2,3,5 ]
ASPDIF	ASPDIF	[ 2,5 ]
RMAIN	RMAIN	[ 5 ]
LMAIN	LMAIN	[ 5 ]
LFE	LFE	[ 5 ]
CENT	CENT	[ 5 ]

C134	SPDIFOUT
0.1u

VIDEO_MODE

RREAR	RREAR	[ 5 ]
LREAR	LREAR	[ 5 ]

R63	C135	R64
100	330P	100

CP1 TOTX178

		VCC	5	NC
			4
ASPDIF				NC
			3
			2	IN
R66			1	VCC
33				GND
	C140
	0.1u
		C141
		10uF/16V
VCC		V-DVCC
R69	4.7		+
	C145	C146	C144
	0.1u	0.1u	100u

L13	V-AVCC
FB 1206					U14
	+		27MHZ	1	XckOut
				2
C150		C1989			XckIn
	C151		RST_TVE	6
0.1u	0.1u	100u			RESET
			Y0	11

R73R74

0 NC 0

FOR YUV FOR SCART

VDD	5	V-DVCC
	10
VDD	22
VDD
	29	V-AVCC

13

12

10

U13A

4066

5
4	3
U13C	1
4066

T_CVBS/V/B

R79

75,1%

12 +5VV AGND AGND [ 1,2,3,5 ]

11 R70 10K

U13B	+5VV			+5VV
4066
		C147		2
R72				D3
		22p
75,1%				1N4148
					CVBS_SCART
2		L12		21
Q8
		1.8uH 0805
3906		C148	C149	D4
3		220p	220p	1N4148	+5VV
						CN10
				1	CVBS/V/B	6
					SC/U/G	5
					SPDIFOUT	4
+5VV				+5VV	SY/Y/R	3
						2
		C153		2		1
R76		22p		D5		6P 2MM
75,1%

1N4148

CVBS/V/B

	2	L14		21
1	Q9
		1.8uH 0805
	3906	C155	C156	D6
		220p	220p

3	1N4148
	1

				Y1	12	PD0
				Y2	13	PD1
	RST_TVE	RST_TVE		Y3	14	PD2
				Y4	15	PD3
				Y5	16	PD4
						PD5
				Y6	18
				Y7	19	PD6
						PD7
			V-DVCC
[ 2,3 ]	SCL	SCL	R82	100E	3	MASTER
[ 2,3 ]	SDA	SDA		VIDEO_MODE	27
					28	CPNT
						PDEN
[ 2 ]	VSCK	VSCK
[ 2 ] VSDA		VSDA
		SDA	R87	0	23	SDA
		SCL	R89	0	24
						SCL
[ 2 ]	ACLK	ACLK
[ 2 ]	ABCK	ABCK			34	VSS
[ 2 ]	ALRCK	ALRCK			30	VSS
					26
[ 2 ]	ASDAT0	ASDAT0			17	VSS
		ASDAT1			8	VSS
[ 2 ]	ASDAT1	ASDAT2			4	VSS
[ 2 ]	ASDAT2					VSS
					42
					41	VSS
						VSS
[ 2 ]	27MHZ	27MHZ
[ 2 ]	HSYNC#	HSYNC#
[ 2 ]	VSYNC#	VSYNC#

VAA	32
VAA	36
VAA
	21	HSYNC#
HSYNC
	20	VSYNC#
VSYNC
CVBS	35	T_CVBS/V/B
	31		T_SY/Y/R
Y
	33		T_SC/U/G
C	44				R86	1K
GOUT1			SCART-TV
	43		VIDEO_MODE
GOUT0	7				R88	1K
GCKOut
	25
ACKOut	9
CK27Out				V-AVCC
COMP	38			C1988
	37	C165		0.1u
BIAS	40	0.1u
VREF
	39
IREF		R93

+5VV

R81

75,1%

2

T_SY/Y/R	1	Q10
R83		3906
75,1%		3
		+5VV
	R91
	75,1%
		2
T_SC/U/G	1	Q11
R92		3906
75,1%		3

C159

22p

L16

1.8uH 0805

C160

220p

C164

22p

L17

1.8uH 0805

C166

220p

	+5VV
	2
	D7
	1N4148
	SY/Y/R
	2 1
C161	D8
220p	1N4148
	1
	+5VV
	2
	D9
	1N4148
	SC/U/G
	2 1
C167	D10
220p	1N4148

[ 2 ] Y[0..7] Y[0..7] AV3168/69

330, 1%	C168
	0.1u

1

GNDAGND

L18	FB 1206
VCC	+5VV

GNDVGND

3-9