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A
B
8
7
FROM/TO 21PIN
SC1_A_IN_L
SC1_A_IN_R
SC2_A_IN_L
SC2_A_IN_R
SC2_A_OUT_L
SC2_A_OUT_R
6
FROM/TO AV/DVD_INTERFACE
YUV_A_L
YUV_A_R
HP_A_L
HP_A_R
VIDEO_A_L
VIDEO_A_R
DVD_A_L
DVD_A_R
FROM/TO SOUND AMP/AUDIO DAC
5
SP_AUDIO_OUT_L
SP_AUDIO_OUT_R
FROM/TO JACK
PC/DVI1_A_IN_L
PC/DVI1_A_IN_R
FROM/TO SCALER_AV
ADCOUTR
ADCOUTL
AR0O
AL0O
AR1O
4
AL1O
AR2O
AL2O
FROM/TO MICON
OSCL0
OSDA0
MT8292_MUTE
MT8292_RESET
3
FROM/TO REGULATOR2
W811
P.CON+3.3V
FROM/TO REGULATOR1
B4237
2
P.CON+9V_MT8292
HCB1608KF-181T20
B4230
HCB1608KF-181T20
GND
1
A
B
H-39
C
AUDIO SWITCH SCHEMATIC DIAGRAM
MT8292_V33
MT8292_MUTE
MT8292_RESET
R4323
10K
JG4206
B4226
JG4212
HCB1608KF-181T20
JG4207
JG4208
JG4209
JG4210
JG4211
JG4213
JG4214
MT8292_V33
MT8292_HPVDD
MT8292_AVDD
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
R4297
R4299
R4304
R4306
R4308
R4319
47K
47K
47K
47K
47K
47K
C4266
C4286
C4288
C4289
C4290
C4292
0.0022 B
0.0022 B
0.0022 B
0.0022 B
0.0022 B
0.0022 B
C4296
0.1 B
C4297
C4287
10 B
C4285
10 B
10
B
3.52
3.44
5.6
5.6
5.6
5.6
5.6
5.76
7.68
7.68
5.76
5.76
4.8
9.52
28
27
26
25
24
23
22
21
20
19
18
17
16
15
3.44
PGA0OUTR
2.96
RESET#
PGA0OUTL
0
29 MUTE#
GPIO0
AGND
15 AVDD
NC
GPIO1
16 VCMPGA
HPOUTR
NC
GPIO2
HPVDD
AUDIO SW
NC
GPIO3
IC4200
HPGND
MT8292N
NC
GPIO4
HPOUTL
3.44
DVDD
ADCOUTR
0
DGND
ADCOUTL
NC
GPIO5
MGND33
NC
GPIO6
VCM33
43 AIN1R
55 AIN7R
NC
GPIO7
MVDD33
56 AIN7L
NC
GPIO8
AIN8L
NC
GPI
AIN8R
43
44
45
46
47
48
49
50
51
52
53
54
55
56
2.24 2.24 2.16 2.16 2.24 2.24 2.24 2.24 2.16 2.16 NC
NC
NC
JG4202
JG4203
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.
D
E
F
G
MT8292_AVDD
NC
NC
0
2
HP_A_R
9.44
MT8292_HPVDD
0
2
HP_A_L
1.84
ADCOUTR
1.8
ADCOUTL
0
1.96
3.44
NC
JG4204
NC
JG4205
B4233
MT8292_V33
NC
HCB1608KF-181T20
F
G
H
8
7
6
5
4
3
2
PCBF40
CMJ159
1
H
H-40
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