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A
B
8
FROM POWER
AT+3.3V
AT+5V
P.CON+9V
GND
P.CON+5V
YUV1/YUV2_Y
FROM TUNER
DTUNER_PR
DTUNER_Y
DTUNER_PB
7
DTUNER_PR
C4401
YUV1/YUV2_PR
16V
10
V-S
TO IR PASS THROUGH
C4404
IR-THROUGH
DTUNER_PB
16V
10
V-S
L4401
47uH
0305
FROM 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
YUV2_A_IN_L
YUV2_A_IN_R
C4403
S_SW_1
DTUNER_Y
S_SW_2
10
S1_Y_IN
16V
V-S
S1_C_IN
S2_Y_IN
S2_C_IN
AV1_IN
AV2_IN
AV1_A_IN_L
S2_C_IN
AV1_A_IN_R
S2_Y_IN
S_SW_2
YUV2_A_IN_L
YUV2_A_IN_R
5
TUNER_VIDEO
FROM/TO TUNER/OUT JACK
C4211
SIDE/DTUNER_V_IN
C4230
REMOCON_IN
47P CH
C4213
STANDBY_LED
25V
10
KA
C4231
SIDE_S_SW
470P CH
SIDE_A_IN_R
1 B
C4232
25V
10
KA
C4226
SIDE_A_IN_L
C4210
1 B
S_SW_1
470P CH
C4214
4
SIDE/DVD_C
47P CH
C4228
C4216
YUV1_A_IN_R
470P CH
C4229
1 B
C4215
SIDE/DVD_Y
47P CH
1 B
C4220
C4205
YUV1_A_IN_L
1 B
C4227
AV2_IN
470P CH
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
47P CH
AV1_A_IN_L
C4206
1 B
C4222
AV1_IN
470P CH
1 B
IR-THROUGH
C4223
2
STANDBY_LED
47P CH
REMOCON_IN
FROM/TO IR PASS
CD4202
CU267901
CP4202_1
(CP2251)
A2001WV2-6P
6
P.ON LED
5
STANDBY LED
1
4
AT+5V
3
GND
2
REMOCON IN
1
IR-THROUGH
A
B
H-1
C
AV SWITCH2 SCHEMATIC DIAGRAM
COMPONENT1/2 YUV SW
2.5
IC4401
NJM2584AM(TE1)
R4418
1.8
IN1B
IN1A
100
0
GND1
NC
2.5
IN2B
OUT1
R4416
BUFFER
Q4409
1.8
100
V+
GND2
0
KTA1504S_Y_RTK
CTL
OUT2
2.0
R4417
BUFFER
IN2A
OUT3
Q4401
100
0
KTA1504S_Y_RTK
GND3
NC
NC
IN3B
IN3A
C4242
D4212
25V
100
YK
YUV2_A_IN_L
4.7
4.5
C4201
C4238
UDZS12B
SIDE_V_IN
1 B
470P CH
4.5
Vref
4.7
SIDE_A_IN_R
S2_Y_IN
YUV2_A_IN_R
4.7
4.6
C4202
C4239
TUNER_V
1 B
470P CH
4.5
4.7
SIDE_A_IN_L
S2_C_IN
0
0
S_SW_1
S_SW_2
5.4
3.5
C4233
SIDE_C_IN
SDA
1 B
7.5
3.5
D4211
YUV1_A_IN_R
SCL
UDZS12B
4.7
0
SIDE_Y_IN
GND
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
SW_A_L
D4202
5.4
5.7
UDZS12B
S1_C_IN
SW_CVBS
6dB
7.5
4.5
C4246
AV1_A_IN_R
BIAS
D4203
UDZS12B
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
0
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
5.0
SW
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
Q4233
KRC102SRTK
0
GND
C
D
E
(AV PCB)
L4402
0305
47uH
SIDE/DVD_Y
BUFFER
Q4410
KTA1504S_Y_RTK
SIDE/DVD_C
SIDE/DTUNER_V_IN
DTUNER_H
SIDE_A_IN_L
SIDE_A_IN_R
C4415
47P CH
C4416
47P
CH
C4250
1 B
D4208
UDZS12B
C4251
1 B
D4210
UDZS12B
R4219
SDA
100
R4220
SCL
100
L4207
47uH 0305
L4206
47uH 0305
R4212
3.9K 1/4W
C4286
10P CH
R4209
3.9K 1/4W
R4256
L4204
390
33uH
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
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.
D
E
F
G
TR4201
TR4202
TR3805
W5T29X7.5X19
W5T29X7.5X19
ZCAT2436-1330A
W867
W865
C4471
Vcc
Vin2
9.0
2.2
B
V.OUT
GND
5.0
0
C4469
SW1
Vin1
3.3
2.2
B
PC/YUV Rch SW
IC4402
MM1501XNRE
8
5.0
3.3
9
5.0
3.3
LEVEL SHIFT
3.3
Q4210
LEVEL SHIFT
KTK5132E
3.3
Q4208
KTK5132E
8.9
2.1
BUFFER
Q4206
KTC3875S_Y_RTK
1.5
10
CAUTION: DIGITAL TRANSISTOR
F
G
H
TR4205
TR4204
TR4206
ZCAT3035-1330
8
W5T29X7.5X19
ZCAT2436-1330A
TR3806
ZCAT2436-1330A
CD4200
CU28A005
FROM OPERATION/SIDE JACK/FILER
CP4201
(CP4200)
A2001WV2-8P
SIDE_S_SW
SIDE_S_L
8
SIDE_S_Y
7
7
SIDE_S_C
6
5
SIDE_V_IN
GND
4
SIDE_A_IN_L
3
GND
2
SIDE_A_IN_R
1
DTUNER_CVBS
TO TUNER/OUT JACK
SW_YUV_PR
SW_YUV_PB
SW_YUV_Y
6
FROM/TO TUNER
DTUNER_RESET
DTUNER_TX
AUDIO_MUTE_L
DTUNER_POWER
DTUNER_SD_H
DTUNER_RX
TUNER_VIDEO
DTUNER_CVBS
TO AV JACK2
SW_CVBS
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
CP4203
(CP803)
00_6232_029_006_800+
NC
29
4
DTUNER_H
DTUNER_H
28
AUDIO_MUTE_L
DTV_MUTE_L
27
W852
GNP/INV_DET
26
DTUNER_RX
25
DTUNER_RX
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
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
CD4203
2H0T0801
PCBD20
CMF083
CAUTION: DIGITAL TRANSISTOR
1
H
H-2
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