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
IC4201
AN15853B-E1
AV SW IC
1
1
01
11
21
31
41
51
61
71
8
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
456
7
89
S805Z
S802X
S801X
S801Y
CP4401
A2001WV2-9P
1
2
3
4
5
6
7
8
9
Q4204
KTC3875S_Y_RTK
BUFFER
Q4203
KTC3875S_Y_RTK
BUFFER
Q4202
KTC3875S_Y_RTK
BUFFER
CD4203
2H0T0801
CD2201
CU252802
L4207
47uH 0305
L4206
47uH 0305
L4203
47uH
0305
L4202
47uH
0305
C4262
10
25V
KA
C4257
10
25V
KA
C4250
22
16V
KA
C4244_1
470
16V
YK
C4264
10
25V
KA
D4209
1SS133
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
W929
W928
W825
W826
W807
W870
C4237
0.01
B
C4219
1 B
C4223
470P CH
C4222
1 B
C4212
470P CH
C4215
470P CH
C4227
1 B
C4238
1 B
C4239
1 B
C4228
1 B
C4229
1 B
C4230
1 B
C4220
470P CH
C4217
470P CH
C4245
470P CH
C4246
470P CH
C4247
0.01
B
C4252
1
B
C4235
0.01 B
C4236
0.01 B
C4234
0.01 B
C4226
1 B
C4242
1 B
C4243
1 B
C4266
47P
CH
C4267
47P
CH
C4218
47P CH
C4216
47P CH
C4214
470P CH
C4224
1 B
C4225
1 B
C4231
1 B
C4232
1 B
C4251
0.01
B
C4233
47P CH
C4414
470P
CH
C4403
0.1
B
C4265
0.01
B
C4263
0.01
B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
R4237
5.6K
R4234
5.6K
R4238
100
R4239
100
R4229
1K
R4228
1K
R4217
100 1/4W
R4218
100 1/4W
R4236
390
R4233
390
R4222
680
R4223
390
R4230
1K
R4231
1K
R4220
10K
R4221
10K
R4401
220 1/4W
R4402
330 1/4W
R4204
75
R4216
75
Q4233
KRC102SRTK
STBY LED SW
Q4231
KRA103SRTK
STBY LED SW
CP4202
A2001WV2-5P
1
2
3
4
5
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
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
S
D
G
Q4205
KTK5132E
LEVEL SHIFT
S
D
G
Q4206
KTK5132E
LEVEL SHIFT
SCL
SDA
SW_AUDIO_R
INVERTER_DET
SW_AUDIO_L
P.CON+9V
P.CON+5V
REMOCON_IN
GND
STANDBY_LED
AT+3.3V
SW_AUDIO_L[PC]
AT+5V
SW_AUDIO_R[PC]
AUDIO_SW
DVD_AUDIO_R
DVD_AUDIO_L
ZERO
SPDIF_134
SW_A_L[DVD/PC]
SW_A_R[DVD/PC]
AV1_AUDIO_R
CVBS1
AV1_AUDIO_L
AV2_AUDIO_L
CVBS2
AV2_AUDIO_R
S_DET
S_IN_C
S_IN_Y
SDA
SCL
SCL
SDA
TUNER_A_R
TUNER_A_L
TUNER_VIDEO
SPDIF_134
FROM/TO SOUND
(CP2202)
G-18
G-17
PCBD20
CMF087
SWITCH_VIDEO_C
GND
SWITCH_VIDEO_Y
GND
SWITCH_CVBS
GND
SDA1
SCART_AUDIO_SW
STEREO_RESET
SW_AUDIO_L(PC)
GND
GND
GND
SCL1
GND
SW_AUDIO_R(PC)
GND
GND
DTV_MUTE_L
DVD/AV3_SW
DTUNER_RX
DTUNER_TX
DTUNER_RESET_L
DTUNER_POWER
DTUNER_SD_H
DTUNER_H
GND/INV_DET
SC2_AUDIO_OUT-H
SCART3_SW
NC
NC
NC
NC
FROM AUDIO/VIDEO
(CP803)
FROM/TO SCALER
(CD703)
FROM/TO JACK2
FROM/TO OPERATION/REMOCON
9
8.9
FROM/TO TUNER/STEREO
DVD_A_IN_L
FROM/TO JACK2
FROM/TO POWER
(AV PCB)
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
1.5
2.1
8.9
1.5
2.1
8.9
1.8
2.4
(W018)
SW_A_R
S_SW_1
S_SW_2
TUNER_VIDEO
SIDE_A_IN_R
TUNER_AUDIO_L
TUNER_AUDIO_R
DVD_C_IN
DVD_A_IN_R
DVD_Y_IN
3.3
5.0
3.3
5.0
3.3
3.3
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
[U]C_VIDEO
GND
[Y]Y_VIDEO
GND
GND
ZERO
GND
AT+5V
REMOCON IN
AV1_CVBS_IN
AV2_CVBS_IN
AV1_Y_IN
AV1_C_IN
AV1_AUDIO_L
AV1_AUDIO_R
AV2_A_IN_L
STANDBY LED
P.ON LED
AV SWITCH2 SCHEMATIC DIAGRAM
5.0
3.2
0
0
4.9
0
DVD_A_OUT_R
DVD_A_OUT_L
10
8