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A
B
8
FROM/TO POWER
AT+3.3V
AT+5V
P.CON+9V
GND
P.CON+5V
YUV1/YUV2_Y
DTUNER_PR
FROM/TO TUNER
DTUNER_Y
DTUNER_PB
7
DTUNER_PR
C4401
YUV1/YUV2_PR
16V
10
V-S
C4404
DTUNER_PB
16V
10
V-S
L4401
220uH 0305
FROM/TO AV JACK
DTUNER_H
YUV1/YUV2_Y
C4402
YUV1/YUV2_PB
YUV1/YUV2_PB
YUV1/YUV2_PR
6
YUV1_A_IN_L
16V
10
V-S
YUV1_A_IN_R
C4403
S_SW_1
DTUNER_Y
S_SW_2
S1_Y_IN
16V
10
V-S
S1_C_IN
S2_Y_IN
S2_C_IN
AV1_IN
AV2_IN
S2_C_IN
AV1_A_IN_L
AV1_A_IN_R
S2_Y_IN
S_SW_2
5
FROM/TO TUNER/OUT JACK
REMOCON_IN
STANDBY_LED
C4232
TUNER_VIDEO
25V
10
KA
S_SW_1
4
C4228
C4216
470P CH
YUV1_A_IN_R
1 B
C4220
C4205
YUV1_A_IN_L
1 B
C4227
470P CH
AV2_IN
1 B
C4217
47P CH
3
C4208
S1_C_IN
47P CH
R4401
C4225
220 1/4W
1 B
C4218
AV1_A_IN_R
C4207
1 B
C4221
S1_Y_IN
470P CH
C4456
1 B
C4224
AV1_A_IN_L
47PCH
C4206
1 B
C4222
AV1_IN
470P CH
1 B
C4223
2
STANDBY_LED
FROM/TO OPERATION/REMOCON
47P CH
REMOCON_IN
CP4202
(CP2201)
A2001WV2-5P
5
P.ON LED
4
STANDBY LED
3
AT+5V
2
GND
1
REMOCON IN
1
A
B
H-1
C
AV SWITCH2 SCHEMATIC DIAGRAM
COMPONENT1/2 YUV SW
IC4401 NJM2584AM(TE1)
3.0
2.9
IN1B
IN1A
0
0
W906
GND1
NC
NC
3.0
2.3
IN2B
OUT1
5.0
0
W905
V+
GND2
3.1
2.3
CTL
OUT2
2.0
3.0
1.0
W904
1.3
IN2A
OUT3
0
0
0
GND3
NC
NC
2.7
2.6
IN3B
IN3A
C4242
25V
100
YK
YUV2_A_IN_L
4.7
4.5
C4209
C4259
SIDE_V_IN
0.01 B
0.01 B
4.5
Vref
4.7
C4219
SIDE_A_IN_R
S2_Y_IN
0.01 B
YUV2_A_IN_R
4.7
4.6
C4262
TUNER_V
0.01 B
4.5
4.7
C4263
SIDE_A_IN_L
S2_C_IN
0.01 B
0
0
S_SW_1
S_SW_2
5.4
3.5
C4255
SIDE_C_IN
SDA
0.01 B
7.5
3.5
YUV1_A_IN_R
SCL
4.7
0
C4204
SIDE_Y_IN
GND
0.01 B
7.5
4.7
C4243
YUV1_A_IN_L
0.01 B
5.4
7.5
AV2_IN
SW_A_R
0
5.7
C4203
0.01 B
0
4.5
D4202
SW_A_L
UDZS8.2B
5.4
5.7
S1_C_IN
SW_CVBS
6dB
7.5
4.5
C4246
D4203
AV1_A_IN_R
BIAS
UDZS8.2B
16V
22
KA
5.4
4.5
S1_Y_IN
SW_Y
6dB
7.5
9.0
+
C4247
AV1_A_IN_L
Vcc
0.01 B
5.4
5.3
C4240
AV1_IN
SW_C
6dB
1
B
0
5.0
D_L1_Vin
D_SW_1
NC
AV SW IC
IC4201
AN15853B-E1
R4402
5.0
5.0
330 1/4W
SW
Q4231
0
KRA103SRTK
CAUTION: DIGITAL TRANSISTOR
0
5.0
SW
Q4233
KRC102SRTK
0
GND
C
D
E
(AV PCB)
2.5
1.8
0
2.5
1.8
0
C4267
0.68 B
C4415
47P CH
C4416
47P CH
C4250
D4208
1 B
UDZS8.2B
C4251
1 B
D4210
UDZS8.2B
R4219
SDA
100
R4220
SCL
100
L4207
0305
47uH
L4206
0305
47uH
R4212
3.9K 1/4W
R4209
3.9K 1/4W
R4222
W803
1K
BUFFER
Q4205
KTC3875S_Y_RTK
8.9
R4223
W802
2.1
1K
1.5
8.9
2.4
BUFFER
1.8
Q4203
KTC3875S_Y_RTK
CAUTION: DIGITAL TRANSISTOR
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D
E
F
G
LEVEL SHIFT
Q4210
KTK5132E
LEVEL SHIFT
8
5.0
3.3
Q4208
KTK5132E
9
5.0
3.3
3.3
3.3
8.9
2.1
BUFFER
Q4206
1.5
KTC3875S_Y_RTK
10
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
F
G
H
8
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
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
NC
29
4
DTUNER_H
DTUNER_H
28
AUDIO_MUTE_L
DTV_MUTE_L
27
NC
26
DTUNER_RX
DTUNER_RX
25
GND
24
DTUNER_TX
DTUNER_TX
23
GND
22
DTUNER_RESET
DTUNER_RESET_L
21
GND
20
SW_AUDIO_R[PC]
SW_AUDIO_R(PC)
19
GND
18
SW_AUDIO_L[PC]
SW_AUDIO_L(PC)
17
3
NC
16
STEREO_RESET
STEREO_RESET
15
NC
14
NC
SCART_AUDIO_SW
13
12
SDA1
SCL1
11
GND
10
DTUNER_POWER
DTUNER_POWER
9
GND
8
DTUNER_SD_H
DTUNER_SD_H
7
GND
6
SWITCH_CVBS
5
GND
4
2
SWITCH_VIDEO_Y
3
GND
2
SWITCH_VIDEO_C
1
00_6232_029_006_800+
CP4203
(CP803)
CD4203
2H0T2301
PCBD20
CMF080
1
H
H-2
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