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
IC4200
MT8292N
AUDIO SW
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
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
55
56
6
7
8
9
JG4206
JG4212
JG4207
JG4208
JG4209
JG4210
JG4211
JG4213
JG4214
JG4202
JG4203
JG4204
JG4205
W811
C4336
10
16V
RV2
C4287
10 B
C4285
10 B
C4348
10
B
C4373
10
B
C4296
0.1 B
C4297
10
B
C4294
10
B
C4295
10
B
C4293
10
B
C4356
0.1
B
C4344
1
B
C4350
10
B
C4303
10
B
C4300
0.1
B
C4357
10
B
C4359
10
B
C4266
0.0022 B
C4286
0.0022 B
C4288
0.0022 B
C4292
0.0022 B
C4290
0.0022 B
C4289
0.0022 B
C4337
0.1
B
C4339
1
B
C4347
10
B
C4354
0.1
B
C4362
0.1
B
C4332
10
B
C4305
10
B
C4334
0.1
B
C4302
0.1
B
C4371
10
B
C4370
10
B
C4291
10
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
R4326
10K
R4325
10K
R4323
10K
R4304
47K
R4299
47K
R4297
47K
R4319
47K
R4308
47K
R4306
47K
R4305
470
R4303
470
R4298
470
R4210
470
R4313
470
R4307
470
B4226
HCB1608KF-181T20
B4233
HCB1608KF-181T20
B4237
HCB1608KF-181T20
B4230
HCB1608KF-181T20
OSDA0
OSCL0
AL2O
AR2O
AL1O
AR1O
AL0O
AR0O
SC2_A_OUT_L
SP_AUDIO_OUT_R
SP_AUDIO_OUT_L
SC2_A_OUT_R
SC1_A_IN_L
SC1_A_IN_R
SC2_A_IN_L
SC2_A_IN_R
MT8292_V33
SC2_A_OUT_L
SC2_A_OUT_R
MT8292_AVDD
MT8292_MUTE
YUV_A_L
YUV_A_R
MT8292_RESET
HP_A_L
HP_A_R
VIDEO_A_L
VIDEO_A_R
DVD_A_L
HP_A_R
DVD_A_R
MT8292_HPVDD
HP_A_L
SP_AUDIO_OUT_L
SP_AUDIO_OUT_R
ADCOUTR
ADCOUTL
PC/DVI1_A_IN_L
PC/DVI1_A_IN_R
ADCOUTR
ADCOUTL
AR0O
AL0O
AR1O
AL1O
MT8292_V33
AR2O
AL2O
OSCL0
OSDA0
MT8292_MUTE
PC/DVI1_A_IN_L
PC/DVI1_A_IN_R
SC1_A_IN_L
SC2_A_IN_L
YUV_A_R
YUV_A_L
VIDEO_A_R
VIDEO_A_L
MT8292_RESET
SC1_A_IN_R
SC2_A_IN_R
DVD_A_R
DVD_A_L
P.CON+3.3V
MT8292_V33
P.CON+9V_MT8292
MT8292_HPVDD
MT8292_AVDD
GND
FROM/TO REGULATOR1
FROM/TO REGULATOR2
(MAIN PCB)
AUDIO SWITCH SCHEMATIC DIAGRAM
PCBF40
CMJ159
H-40
H-39
FROM/TO SCALER_AV
FROM/TO SOUND AMP/AUDIO DAC
FROM/TO MICON
FROM/TO JACK
FROM/TO AV/DVD_INTERFACE
FROM/TO 21PIN
AIN8R
AIN8L
MVDD33
VCM33
MGND33
ADCOUTL
ADCOUTR
HPOUTL
HPGND
HPVDD
HPOUTR
AGND
PGA0OUTL
PGA0OUTR
15 AVDD
PGA2OUTL
PGA2OUTR
PGA1OUTL
PGA1OUTR
INPUT2R
INPUT2L
INPUT0R
INPUT0L
INPUT1R
INPUT1L
CL
DI
16 VCMPGA
RESET#
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
DVDD
DGND
GPIO5
GPIO6
GPIO7
GPIO8
GPI
29 MUTE#
AIN1L
AIN2R
AIN2L
AIN3L
AIN3R
AIN4L
AIN4R
AIN5L
AIN5R
AIN6R
AIN6L
43 AIN1R
55 AIN7R
56 AIN7L
NC
NC
3.44
1.96
1.8
1.84
2
9.44
2
NC
NC
3.44
2.96
0
NC
NC
NC
NC
3.44
NC
NC
NC
NC
NC
9.52
4.8
5.76
5.76
7.68
7.68
5.76
5.6
5.6
5.6
5.6
5.6
3.44
3.52
2.24
2.24
2.16
2.16
2.24
2.24
2.24
2.24
2.16
2.16
NC
NC
NC
NC
0
0
0
0