HP LC3260N manual AV SWITCH2 Schematic Diagram

A B C D E F G

H

8

FROM/TO POWER

AT+3.3V

AT+5V

P.CON+9V

GND

P.CON+5V

AV SWITCH2 SCHEMATIC DIAGRAM

(AV PCB)

8

7

6

FROM/TO TUNER

DTUNER_Y

DTUNER_PB

DTUNER_PR

FROM/TO AV JACK

YUV1/YUV2_Y

YUV1/YUV2_PB

YUV1/YUV2_PR

YUV1_A_IN_L

YUV1_A_IN_R

YUV2_A_IN_L

YUV2_A_IN_R

S_SW_1

S_SW_2

S1_Y_IN

S1_C_IN

S2_Y_IN

S2_C_IN

AV1_IN

AV2_IN

AV1_A_IN_L

AV1_A_IN_R

YUV1/YUV2_Y DTUNER_PR

YUV1/YUV2_PR

DTUNER_PB

DTUNER_H

YUV1/YUV2_PB

DTUNER_Y

SCL

SDA

S2_C_IN

S2_Y_IN

S_SW_2

C4401	R4403
16V 10 V-S		1M
C4404	R4406	1M

L4401	16V 10 V-S		S
			-
		C4406	V
220uH 0305			16V47

C4402	R4407
16V 10 V-S		1M
C4403	R4408	1M
16V 10	V-S

COMPONENT1/2 YUV SW

3.0 IC4401 NJM2584AM(TE1)

2.9

16	IN1A	IN1B	1
0			0
15	GND1	NC	2	NC

3.02.3

14 IN2B OUT1 3

5.00

13 V+ GND2 4

3.12.3

12	CTL	OUT2	5
3.0			1.0
11	IN2A	OUT3	6
0			0
10	GND3	NC	7	NC

2.72.6

9 IN3B IN3A 8

	V-S
C4407	16V 10
R4411	1M

C4408	16V 10 V-S
R4412	1M

W906

W905

W904

R4419	1K	R4404	1K
			1.8
	BUFFER
	Q4409
	2SA1530A
		2.5
	1.8
2.0		0

1.3BUFFER Q4401

0 2SA1530A

L4202 47uH 0305

R4405 1K

2.5BUFFER

Q4410

2SA1530A

0

B4203 W5RH3.5X5X1.0

C4267

0.68 B

7

FROM/TO TUNER/OUT JACK
	SW_YUV_PR
	SW_YUV_PB	6
	SW_YUV_Y
	FROM/TO TUNER
	DTUNER_RESET
	DTUNER_TX
	AUDIO_MUTE_L
	DTUNER_POWER
	DTUNER_SD_H
	DTUNER_RX
	TUNER_VIDEO

5

4

3

2

FROM/TO TUNER/OUT JACK

REMOCON_IN

STANDBY_LED

FROM/TO OPERATION/REMOCON

YUV2_A_IN_L

YUV2_A_IN_R

TUNER_VIDEO

S_SW_1

YUV1_A_IN_R

YUV1_A_IN_L

AV2_IN

S1_C_IN

R4401

2201/4W

AV1_A_IN_R

S1_Y_IN

C4456

AV1_A_IN_L 47P CH

AV1_IN

STANDBY_LED

REMOCON_IN

C4232

25V10 KA

	C4228
	C4216 470P CH
	1 B
	C4220
C4205	1 B	C4227
470P CH
		1 B
		C4217
		47P CH
		C4208
		47P CH
		C4225
		1 B
		C4218
	C4207	1 B
	470P CH C4221
		1 B
		C4224

C4206	1 B
470P CH	C4222
	1 B
	C4223
	47P CH

		C4209SIDE_V_IN			4.7
						18
0.01			B
					4.5
	C4219
		SIDE_A_IN_R				17
0.01		B			4.7
				TUNER_V		16
C4263SIDE_A_IN_L					4.5
						15
0.01 B
				S_SW_1		0
						14
		C4255			5.4
				SIDE_C_IN		13
0.01				B	7.5
			YUV1_A_IN_R			12
C4204				SIDE_Y_IN	4.7
						11
0.01 B					7.5
				YUV1_A_IN_L		10
				AV2_IN	5.4
						9
						0
						8
						0
		D4202				7
					5.4
				S1_C_IN
UDZS8.2B
						6
				AV1_A_IN_R	7.5
						5
		D4203			5.4
			S1_Y_IN
UDZS8.2B
						4
				AV1_A_IN_L	7.5
						3
				AV1_IN	5.4
						2
						0
						1

		YUV2_A_IN_L
		4.5	C4201
		19	1 B
	Vref	4.7
			S2_Y_IN
		20
			YUV2_A_IN_R
		4.6
			C4202
		21	1 B
		4.7
			S2_C_IN
		22
		0
	S_SW_2	23
		3.5
	SDA	24
		3.5
	SCL	25
		0
	GND	26
		4.7
		27
		7.5	SW_A_R
		28
		5.7 C4203
		29	0.01 B
		4.5
		30	SW_A_L
		5.7	SW_CVBS
	6dB	31
		4.5
	BIAS	32
		4.5	SW_Y
	6dB	33
	+	9.0
		34
	Vcc
		5.3	SW_C
	6dB	35
D_L1_Vin	D_SW_1	5.0
		36	NC

C4242		C4415
25V 100	YK		47P CH
C4238		C4416
470P CH			47P CH
C4259_1			C4250
100P CH		D4208	1 B
C4239
470P CH		UDZS8.2B
			C4251
		D4210	1 B
C4262_1
100P CH		UDZS8.2B
			R4219
			100
			R4220
			100
C4243
0.01 B			R4212
			3.9K 1/4W				47uH 0305
		R4209				L4203
		3.9K 1/4W
			W803
C4246
16V22 KA
		W802
C4247				10K			V-S
			R4210				16V100
0.01 B					8.9	C4252
C4240
				2.4
1	B		BUFFER			1.8
			Q4203
			2SC3052		R4213	680

SDA

SCL

L4207

0305 47uH

L4206

0305 47uH

R4222				2.1	8.9
1K					BUFFER
	1K		BUFFER	1.5	Q4206
R4409					2SC3052
			Q4205
			2SC3052	8.9
R4223
1K	R4410	1K	2.1	1.5
				W928
				W929

R4230	5.6K	R4231	5.6K	R4233	100			R4234	100
									LEVEL SHIFT
										Q4210
					LEVEL SHIFT		8		KTK5132E
									5.0	3.3
					Q4208
									D	S
			9		KTK5132E					G
					5.0	3.3
									3.3
					D	S
					G
					3.3

	V-S		V-S	C4264	47P CH	C4265	47P CH
C4260	16V 100	C4261	16V 100

10

			FROM/TO STEREO
					5
			SCL
			SDA
			SW_AUDIO_R[JACK]
			SW_AUDIO_L[JACK]
			STEREO_RESET
			SW_AUDIO_L[PC]
			SW_AUDIO_R[PC]
		FROM/TO SCALER
DTUNER_H	NC			29	4
			DTUNER_H	28
AUDIO_MUTE_L
			DTV_MUTE_L 27
DTUNER_RX	NC			26
			DTUNER_RX	25
			GND	24
DTUNER_TX
			DTUNER_TX	23
			GND	22
DTUNER_RESET
		DTUNER_RESET_L21
			GND	20
SW_AUDIO_R[PC]
			SW_AUDIO_R(PC)19
			GND	18
SW_AUDIO_L[PC]
			SW_AUDIO_L(PC)17
					3
STEREO_RESET	NC			16
			STEREO_RESET 15
	NC			14
	NC SCART_AUDIO_SW13
			SDA1	12
			SCL1	11
DTUNER_POWER			GND	10
			DTUNER_POWER9
			GND	8
DTUNER_SD_H
			DTUNER_SD_H 7
			GND	6
			SWITCH_CVBS	5
			GND	4	2
			SWITCH_VIDEO_Y 3

CP4202(CP2201)

A2001WV2-5P

5	P.ON LED
4	STANDBY LED
3	AT+5V
2	GND
1	REMOCON IN

W870

C4413 0.1 B

C4414 470P CH

				AV SW IC
R4402	5.0	5.0		IC4201	AN15853B-E1
330 1/4W			SW
	0		Q4231
		RT1P241C

R4211 10K R4214 390

R4225 390 R4228 390

		GND	2
		SWITCH_VIDEO_C 1
	00_6232_029_006_800+
CD4203		(CP803) CP4203
2H0T1801
				PCBD20
				CMF080

1

D4209 1SS133

	CAUTION: DIGITAL TRANSISTOR
	0
5.0	SW
	Q4233
	RT1N141C
	0
GND

CAUTION: DIGITAL TRANSISTOR

NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME	NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE	WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
	WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.

1

A B C D E F G

H

H-1 H-2