Sony KP-43T75A, KP-53SV75A service manual Video

IC1905 PIP PROCESSOR

BUFFER

Q223

		IC1901
	YVU CONTROLLER
19	TVIN	TVOUT	12	PEEKING	BUFFER
				Q262,227	Q228
23	DVD Y

		IC206
		YCJ
4	Y1/CVBS1			Q232	Q229
7	COMB-C IN			+9V
		R OUT	22	BUFFER
				Q220
9	COMB-Y IN	G OUT	23	BUFFER
				Q219
		B OUT	24	BUFFER
				Q218
		IK IN	21

	CN204
9	R
7	G
5	B
1	1K

TO CG

HBOARD CN731

M.VSYNC

17

FROM A BOARD VP-BUFF SYSTEM CONTROL BLOCK

BUFFER

Q231

BUFFER

CN003

6 G

FOR CHECK

Y BUFFER	Y AMP	BUFFER	28	YIN
Q1916	Q1917	Q1918
			30	UIN
			32	VIN
			3	XIN

SEL

UOUT

VOUT S.VSYNC

12

9

7

19

		BUFFER
IC302		Q1915
2	4
		BUFFER
		Q1907
		BUFFER
		Q1903
		IC301
		YUV SW
	13	CONTROL IN

		IC1902			IC5004
	SUB DECODER			DELAY LINE
12	RU IN			11	R-Y OUT
				12	B-Y OUT
13	RV IN	R-Y IN	21	14	B-Y IN
				16	R-Y IN
		B-Y IN	22
14	VTIM
		B-Y OUT	23
		R-Y OUT	24

SYNC BUFFER Q1913

	YOUT	8
	RYOUT	9
6	BYOUT	10
	YUVSW

			Q230
					RGB MUTE	+11V
					Q301
37	EYIN		Q304	Q303	Q302
38	ERYIN
39	EBYIN
		9V	AFC AMP
			Q217
	ABLIN	3
	HP/PROTECT	18

7 B

CN801

4	ABL
5	HV PROT

TO G

1	X1903
	20.48MHz	4	XQ
	SDA	21	SDA
	SCL	22	SCL

Y OUT

S.HSYNC M.HSYNC

8

20

18

	5	CONTROL IN
SWITCH	3	IN	OUT	2
	1	IN	OUT	4
Q305, 306
	INV		BUFFER
	Q1910,1911		1909

BUFFER Q1905

11	RY IN
16	SCP
15	HTIM
20	V OUT
19	U OUT
18	Y OUT

RY OUT	8
RU OUT	7
RV OUT	6
X443/358	28	X1905
		3.582MHz
X358	27	X1905
		3.575MHz
XNTSC	26
		X1902
APC	29	3.5795MHz
CERA	1	X1901
		500KHz

	IC1904
	D/A CONVERTER
1	FULL DVD	MAIN YSW	7
		HUE	6

1	P Y
3	P B-Y
2	P R-Y

13	DLYSW
18	YSW
17	HUE

CLAMP 5

LEVEL SHIFT

Q1901,1902

MICRO R

BUFFER Q002

		EW	11	FROM A BOARD
					HP
				SYSTEM CONTROL BLOCK
		HD	19
17	SCP	VTIM	5
32	R2 IN	VD-	14

6 PIN

8HP

10 HD

2V.BLK

CN202

5 V.DRIVE(-)

IBOARD CN1502

TO G

SUB C BUFFER Q1906

SUB Y BUFFER	BUFFER
Q1904	Q1908

32	CIN	37
	SDA		SDA
	SCL	36	SCL
38	VSYNC
39	HSYNC
34	CVBS/Y IN
	CP IN	10

COL 5

SDA	14	SDA
SCL	15	SCL

3 DVD SW2

16 COLOR

21	DVD B-Y
22	DVD R-Y

BUFFER

Q1602

IC1603

RESET

RESET 4

				MICRO G
		FROM A BOARD		MICRO B
	SYSTEM CONTROL			MICRO I
		BLOCK
				DSD YS			Q013	Q012	Q011
				DISP YM
	IC1601
	MAIN V CHIP/CC
7	VIDEO	R	18
		G	2
		B	3
5	HIN
				Q021	Q022	Q023	Q020	Q019	Q018
4	SEN	BOX	17	BUFFER
				Q1601
	BUFFER
	Q1603							RE R
							TO /FROM A BOARD	RE G
								RE B
							PJED
								RE YM
							BLOCK
								RE YS
								PJE RST

BUFFER Q008

BUFFER Q009

BUFFER Q010

BUFFER Q014

BUFFER Q015

BUFFER Q016

BUFFER 0017

	31	VD+	13
		G2 IN
	30	B2 IN
SCL	34	SCL
SDA	35	SDA
		XTAL1	46	X204
				3.582MHz
		XTAL2	47	X203
				3.5795MHz
		XTAL3	48	X202
				3.5756MHz
		V MOUT/V PROT	15	VM BUFFER
				Q222
	29	YS2/YM
				IC681
				9V REG

+11V I O +9V

		IC682
		9V REG
+11V	I	O	PIP 9V

36	YUVSW	A (3/4)
43	FSCOUT
		(VIDEO)

6 V.DRIVE(+)

	CN203
6	VM

J	BOARD
	CN501

TO CG

KBOARD CN1304

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