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A
B
8
FROM/TO POWER
LCD_ON
AT+3.3V
AT+5V
P.CON+9V
LMP_ERR
OFL2
OFL1
STANDBY_H
GND
7
FROM/TO STEREO
AUDIO_JACK_OUT_L
AUDIO_JACK_OUT_R
DTUNER_CVBS
6
5
C4230_1
50V
1
KANP
C4232
50V
1
KANP
FROM/TO 21PIN
SCALER_SW
C4228
EXT_MUTE
SW_CVBS
470P CH
4
C4216
SC1_A_IN_R
1 B
C4220
C4205
1 B
SC1_A_IN_L
C4227
470P CH
SCART1_V_IN
D4207
1 B
C_IN
C4217
MTZJ12B
A_IN_R
47P CH
Y_IN
C4208
A_IN_L
47P CH
V_IN
3
C4225
S_SW
D4205
1 B
SW_C
C4218
MTZJ12B
SW_Y
C4207
1 B
C4221
470P CH
C4215
D4204
1 B
C4224
MTZJ12B
47P CH
C4206
1 B
C4222
470P CH
D4203
1 B
C4223
MTZJ12B
47P CH
2
1
A
B
H-1
C
AV SWITCH SCHEMATIC DIAGRAM
0
R4203
3.3
SW
Q4202
100
0
KRC102SRTK
0
R4202
3.3
SW
Q4201
100
KRC102SRTK
0
C4242
25V
100
YK
4.7
4.4
C4252
DTUNER_V
0.01 B
Vref
4.4
C4262
C4253
4.4
0.01 B
0.01 B
4.7
C4254
4.4
TUNER_V
0.01 B
4.4
C4250
C4255
4.5
0.01 B
0.01 B
0
0
S_SW
4.8
3.5
C4251
SDA
0.01 B
7.5
3.5
SC1_A_IN_R
SCL
4.7
0
C4257
GND
0.01 B
7.5
4.7
C4243
SC1_A_IN_L
0.01 B
5.4
7.5
SCART1_V_IN
SW_A_R
0
5.7
C4203
0.01 B
0
4.5
SW_A_L
5.4
5.7
C_IN
SW_CVBS
6dB
7.5
4.5
C4246
IN_R
BIAS
16V
22
KA
5.4
4.5
Y_IN
SW_Y
6dB
7.5
9.0
+
C4247
IN_L
Vcc
0.01 B
5.4
5.3
R4276
KTC3875S_Y_RTK
V_IN
SW_C
6dB
100
0
5.0
D_L1_Vin
D_SW_1
NC
IC4201
AN15853B-E1 AV SW IC
C4259
0.01 B
CAUTION: DIGITAL TRANSISTOR
C
D
E
(AV PCB)
680
R4219
SDA
100
R4220
SCL
100
L4207
47uH 0305
L4206
47uH 0305
R4212
3.9K
R4209
3.9K
(W018)
R4222
2.1
1K
BUFFER
1.5
Q4205
KTC3875S_Y_RTK
8.9
R4223
2.1
1K
1.5
BUFFER
Q4203
8.9
2.4
1.8
W826
S803Y S810Y
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D
E
F
G
R4235
1/4W
R4236
680 1/4W
0.3
L4204
R4232
0
22uH
MUTE
10K
Q4209
0
KTC3875S_Y_RTK
0.3
L4201
R4229
0
MUTE
22uH
10K
Q4207
0
KTC3875S_Y_RTK
LEVEL SHIFT
Q4210
KTK5132E
LEVEL SHIFT
21
5.0
3.3
Q4208
KTK5132E
22
5.0
3.3
3.3
3.3
8.9
23
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
AUDIO_OUT_JACK
J4203
YKC21-4112V
FROM/TO TUNER
6
SDA
SCL
TU_VIDEO_OUT
FROM/TO STEREO
SCL
SDA
SC_SW_A_IN_R
SC_SW_A_IN_L
STEREO_RESET
DTUNER_RESET_L
DTUNER_RX
5
DTUNER_TX
DVB_ASPECT_IN
FROM/TO SCALER
CP4205
(CP801)
00_6232_017_006_800+
SCL1
17
SDA1
16
STEREO_RESET
15
GND
14
DTUNER RESET L
13
GND
12
4
DTUNER_Rx
11
GND
10
DTUNER Tx
9
LCDON
8
OFL1
7
OFL2
6
LMP_ERR
5
EPG_ON_H
4
DVB_ASPECT_IN
3
STANDBY_H
2
SCALER SW
1
3
FROM/TO SOUND AMP
EPG_ON_H
2
1
PCBD20
CMF088
H
H-2
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