ABC
D
E
F
G
H
ABC
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC4201
AN15853B-E1
AV SW IC
1
10
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
4
5
6
7
8
9
S
D
G
Q4205
2SK3018T106
LEVEL SHIFT
S
D
G
Q4206
2SK3018T106
LEVEL SHIFT
CD4202
CU281101
1
2
3
4
5
6
7
8
CD4204
2H0Q0801
CP4203
A2001WV2-9P
1
2
3
4
5
6
7
8
9
CP4204
00_6232_026_
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
3
4
5
6
7
8
9
L4207
47uH
0305
L4203
47uH
0305
L4206
47uH
0305
L4202
47uH
0305
W831
W829
W826
W842
W841
W843
W840
W825
W827
C4262
10
25V
KA
C4264
10
25V
KA
C4257
10
25V
KA
C4250
22
16V
KA
C4244_1
470
16V
YK
C4266
47P
CH
C4237
0.01
B
C4239
1B
C4238
1B
C4219
1B
C4213
47P
CH
C4223
470P
CH
C4222
1B
C4212
470P
CH
C4215
470P
CH
C4227
1B
C4228
1B
C4229
1B
C4230
1B
C4220
470P
CH
C4217
470P
CH
C4245
470P
CH
C4246
470P
CH
C4247
0.01
B
C4236
0.01
B
C4234
0.01
B
C4226
1B
C4242
1B
C4243
1B
C4218
47P
CH
C4216
47P
CH
C4214
470P
CH
C4224
1B
C4225
1B
C4231
1B
C4232
1B
C4251
0.01
B
C4233
47P
CH
C4221
47P
CH
C4254
47P
CH
C4253
47P
CH
C4267
47P
CH
C4235
0.01
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
R4218
100
1/4W
R4231
1K
R4228
1K
R4229
1K
R4233
390
R4222
820
R4223
390
R4230
1K
R4236
390
R4242
75
R4243
4.7K
R4240
1K
R4217
100
1/4W
R4237
5.6K
R4234
5.6K
R4238
100
R4239
100
R4241
75
Q4203
KTC3875S_Y_RTK
BUFFER
Q4202
KTC3875S_Y_RTK
BUFFER
Q4204
KTC3875S_Y_RTK
BUFFER
AFT
SCL
SDA
SW_AUDIO_R
SW_AUDIO_L
AUDIO_MUTE
P.CON+9V
LCD-H
POWER_ON-H
POWER_FAIL
AT+3.3V
AT+5V
DVD_A_OUT_L
DVD_A_OUT_R
LCDON
DVD_AUDIO_R
DVD_AUDIO_L
GND
ZERO
SPIF_134
D_PB
D_Y
D_PR
AV_AUDIO_R
CVBS_IN
AV_AUDIO_L
SDA
SCL
SCL
SDA
TUNER_A_R
TUNER_A_L
TUNER_VIDEO
NC
NC
FROM/TO TUNER/STEREO
NC
NC
NC
FROM/TO POWER
8.9
1.5
2.1
8.9
1.8
2.4
5.0
3.3
11
8.9
1.5
2.1
(AV PCB)
AV SWITCH SCHEMATIC DIAGRAM
H-18
H-17
PCBD20
CMF082
FROM AUDIO/VIDEO
(CD703)
FROM JACK
(CP4402)
FROM OPERATION
DVD_A_IN_R
FROM TUNER/STEREO
FROM/TO JACK
FROM/TO POWER
FROM/TO SOUND
DVD_A_IN_L
D_L1_Vin
Vcc
BIAS
GND
SCL
SDA
6dB
6dB
Vref
+
6dB
D_SW_1
4.7
4.5
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
SW_A_R
S_SW_1
S_SW_2
TUNER_VIDEO
CVBS_IN
SIDE_CVBS
SIDE_Y_IN
SIDE_C_IN
SIDE_A_IN_L
AV_AUDIO_L
AV_AUDIO_R
SIDE_A_IN_R
TUNER_AUDIO_L
TUNER_AUDIO_R
DVD_C_IN
DVD_Y_IN
FRONT_A_IN_L
GND
GND
FRONT_S_Y
FRONT_S_C
FRONT_V_IN
FRONT_A_IN_R
FRONT_S_L
3.3
5.0
3.3
3.3
9
8
6
7
10
NC
NC
NC
NC
FROM/TO SCALER
SWITCH_VIDEO_C
SCART_B or Pb
SCART_R & Pr
SCART_G & Y
SCL1
SDA1
STEREO_RESET
AUDIO_MUTE
SCART1_SW
SCART1_Y
AFT
AGC
LCD-H
LCDON
GND
GND
GND
GND
GND
SWITCH_CVBS
SWITCH_VIDEO_Y
GND
STAND-BY
POWER_ON-H
POWER_FAIL
EXT_MUTE-H
SIDE JACK/REMOCON
(CP801)
[U]C_VIDEO
GND
[Y]Y_VIDEO
GND
DVD_AUDIO_R
GND
ZERO
SPDIF_134
DVD_A_OUT_L