A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
CP4202
A2001WV2-5P
1
2
3
4
5
L4202_1
47uH
0405
L4203_1
47uH
0405
L4206_1
47uH
0405
L4207_1
47uH
0405
W869
W870
W928
W929
W802
W852
C4242
100
25V
YK
C4252
100
25V
YK
C4246
22
16V
KA
C4261
100
25V
YK
C4232
10
25V
KA
C4260
100
25V
YK
C4292
10P CH
C4203
0.01
B
C4415
47P CH
C4228
470P CH
C4456
47P CH
C4220
1
B
C4201
1 B
C4202
1 B
C4205
470P CH
C4227
1
B
C4208
47P CH
C4218
1 B
C4221
1
B
C4207
470P CH
C4224
1 B
C4222
1 B
C4223
47P CH
C4206
470P CH
C4256
33P
CH
C4243
0.01 B
C4247
0.01 B
C4240
1
B
C4416
47P CH
C4251
1 B
C4413
0.1
B
C4414
470P
CH
C4250
1 B
C4216
1 B
C4238
470P CH
C4239
470P CH
C4217
47P CH
C4225
1 B
C4267
1
B
C4264_1
0.1
B
C4265_1
0.1
B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
R4233
56
R4216
820
R4213
680
R4223
1K
R4257
390
R4212
3.9K 1/4W
R4220
100
R4231
2.7K
R4230
2.7K
R4228
390
R4225
390
R4214
390
R4409
820
R4410
1K
R4210
10K
R4211
10K
R4219
100
R4401
220 1/4W
R4402
330
1/4W
R4209
3.9K
1/4W
R4234
56
L4204
33uH
Q4206
KTC3875S_Y_RTK
BUFFER
Q4205
KTC3875S_Y_RTK
BUFFER
Q4203
KTC3875S_Y_RTK
BUFFER
D4204
UDZS12B
D4201
UDZS12B
D4203
UDZS12B
D4202
UDZS12B
D4208
UDZS12B
D4210
UDZS12B
IC4201
AN15853B-E1
AV SW IC
11
0
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
4567
89
S
D
G
Q4208
KTK5132E
LEVEL SHIFT
S
D
G
Q4210
KTK5132E
LEVEL SHIFT
CP4203
00_6232_029_
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
4
5
6
7
8
9
Q4233
KRC102SRTK
SW
D4209
1SS133
CD4203_1
2H0T1801
CD4202
CU256001
Q4231
KRA103SRTK
SW
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
AT+3.3V
AT+5V
P.CON+9V
GND
P.CON+5V
STANDBY_LED
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
TUNER_VIDEO
AV2_IN
SCL
AV1_A_IN_L
S2_C_IN
SDA
AV1_A_IN_R
S2_Y_IN
S_SW_2
YUV2_A_IN_L
YUV2_A_IN_R
SCL
TUNER_VIDEO
SDA
SW_AUDIO_R[JACK]
SW_AUDIO_L[JACK]
STEREO_RESET
REMOCON_IN
SW_AUDIO_L[PC]
STANDBY_LED
SW_AUDIO_R[PC]
S_SW_1
SDA
YUV1_A_IN_R
SCL
YUV1_A_IN_L
AV2_IN
SW_AUDIO_R[PC]
SW_AUDIO_L[PC]
S1_C_IN
STEREO_RESET
AV1_A_IN_R
S1_Y_IN
AV1_A_IN_L
AV1_IN
STANDBY_LED
REMOCON_IN
GND
H-2
H-1
PCBD20
CMF091
FROM TUNER
SWITCH_VIDEO_C
GND
SWITCH_VIDEO_Y
GND
SWITCH_CVBS
GND
SDA1
SCART_AUDIO_SW
STEREO_RESET
GND
GND
GND
SCL1
GND
SW_AUDIO_R(PC)
SCART3_SW
GND
GND
DTV_MUTE_L
DVD/AV3_SW
DTUNER_RX
DTUNER_TX
DTUNER_RESET_L
DTUNER_POWER
DTUNER_SD_H
GND/INV_DET
DTUNER_H
SC2_AUDIO_OUT-H
SW_AUDIO_L(PC)
FROM/TO OPERATION/REMOCON
FROM/TO SCALER
AV SWITCH2 SCHEMATIC DIAGRAM
10
9
8
0
0
4.9
0
4.9
4.9
FROM AV JACK
STANDBY LED
NC
NC
NC
NC
NC
(CP2201)
FROM POWER
YUV1_A_IN_R
YUV1_A_IN_L
4.7
4.5
(CP803)
FROM/TO STEREO
FROM/TO SWITCH/AMP
NC
NC
NC
NC
D_L1_Vin
Vcc
BIAS
GND
SCL
SDA
6dB
6dB
Vref
+
6dB
D_SW_1
4.7
4.5
0
5.4
7.5
4.7
7.5
5.4
0
0
5.4
7.5
5.4
0
5.4
7.5
4.5
4.7
4.6
4.7
0
3.5
3.5
0
4.7
7.5
5.7
4.5
5.7
4.5
4.5
9.0
5.3
5.0
SW_CVBS
SW_Y
SW_C
SW_A_L
TUNER_V
5.0
3.3
3.3
3.3
5.0
3.3
8.9
1.5
2.1
8.9
1.5
2.1
8.9
1.8
2.4
S1_Y_IN
S1_C_IN
AV1_A_IN_R
AV1_A_IN_L
YUV2_A_IN_L
YUV2_A_IN_R
SW_A_R
AV1_IN
AV2_IN
S2_Y_IN
S2_C_IN
S_SW_1
S_SW_2
P.ON LED
AT+5V
GND
REMOCON IN
NC
NC
NC
NC
NC
NC
NC
NC
NC
(AV PCB)