Akai LCT3785TAJ Service Manual page 29

5
GPIO8
GPIO8 3
GPIO9
GPIO9 3
AUSPR
AUSPR 9,16
AUSPL
AUSPL 9,16
A_MUTE
A_MUTE 9
OPOUTR
OPOUTR 16
OPOUTL
OPOUTL 16
4 1
OPOUTL L20 L20
3 2
ACM3225-102-2P ACM3225-102-2P
D
R785 R785
VCC
0 0
VCC 1.5K/NC 1.5K/NC
R784 R784
0 0
change 2/16
R782 R782
0 0
OPOUTR CB13 CB13
4 1
0.1uF 0.1uF
3 2
L21 L21
ACM3225-102-2P ACM3225-102-2P
L2.5X3.5 L2.5X3.5
R188 R188 R189 R189
R783 R783 47K 47K 47K 47K
0 0
AMP-GND AMP-GND AMP-GND AMP-GND AMP-GND AMP-GND
C
R781 R781 0 0 AMP-GND
R780 R780 0 0
*
LOUT R757 R757 0/NC 0/NC EXTL
ROUT R758 R758 0/NC 0/NC EXTR
INTR
U58 U58
R239 R239 EXTR EXTL
8 9
8 9
0/NC 0/NC
6 11
6 11
4 13
B
4 13
ROUT
VD
1 16
1 16
G6A-234 G6A-234
D64 D64
SB33B
1N4148 1N4148
R170 R170
10K 10K
R139 3.3K R139 3.3K
2N3904 2N3904
GPIO8
1
Q15 Q15
CB245 CB245 R155 R155
0.1uF 0.1uF 0 0
A
GPIO8: SPEAKER SWITCH(INTERNAL OR EXTERNAL
5
4
2.2uF/50v 2.2uF/50v CE168 CE168 R184 R184
2.2uF/50v 2.2uF/50v CE161 CE161 R183 R183
R297 R297
R237 R237
3.3K 3.3K
C667 C667 C665 C665 C673 C673
1uF 1uF 0.1uF 0.1uF 0.1uF 0.1uF
+ +
*
C674 C674
R187 R187
0.1uF 0.1uF
47K 47K
1000uF/35v 1000uF/35v
CE162 CE162
CE167 CE167
+ +
10uF/35v 10uF/35v
CB14 CB14
0.1uF 0.1uF
+ +
CE163 CE163
10uF/35v 10uF/35v
AMP-GND
INTL
R238 R238
0/NC 0/NC
LOUT VD
*
CB16 CB16
0.1uF 0.1uF
CB19 CB19
*
0.1uF 0.1uF
R156 R156
0/NC 0/NC
REMARKS: * FOR LCDTV
R780 R187 R760 CB16 CB19 CE22
LCDTV
NC
4
3
U57 U57 R2S15102NP R2S15102NP
10K 10K
5 4
IN1 PWM1
10K 10K
11 1
IN2 OUT1
3
STBY
19
HB1
VD
2
VD1
VD
14
VD2
18
DVDD
C668 C668
+ +
0.047uF 0.047uF
12
PWM2
CE160 CE160
10uF/35v 10uF/35v
15
OUT2
6
CBIAS
17
HB2
7
ROSC
R185 R185
8 13
GND MUTEL
33K 33K
9 20
AVDD VS1
10 16
PROT VS2
R186 R186
1K 1K
+ +
R157 R157
0 0
L115 L115 * J39 J39
CE22 CE22
#C3B-A0619 #C3B-A0619
2200uF/35v 2200uF/35v
4 1 1
L04A L04A
2
+ + + + D65 D65
3 2 3
SR260/NC SR260/NC
4
L117 L117
CE157 CE157
0 0 4x1 W/HOUSING R.A. 4x1 W/HOUSING R.A.
2200uF/35v 2200uF/35v
DIP4/WH/P2.54/R DIP4/WH/P2.54/R
51K 2.2K NC NC NC
3
27／126
2
1000uF/35v 1000uF/35v
R193 150K R193 150K C662 3pF C662 3pF CE166 CE166
L18 L18
4 1
3 2
L111 L111
#C3H-A0028 #C3H-A0028
C663 C663 D61 D61 BEAD/15UH/DIP BEAD/15UH/DIP C664 C664
L-A L-A
0.1uF 0.1uF
1uF 1uF
D300 D300
DIODE SMD ZENER 33V DIODE SMD ZENER 33V
1000uF/35v 1000uF/35v
CE165 CE165
R192 150K R192 150K C669 3pF C669 3pF
L19 L19
3
4
L112BEAD/15UH/DIP L112BEAD/15UH/DIP 1uF 1uF
#C3H-A0028 #C3H-A0028
C670 C670 D62 D62 C671 C671
L-A L-A
0.1uF 0.1uF
D300 D300
DIODE SMD ZENER 33V DIODE SMD ZENER 33V
R38 R38 1K 1K MUTE_RES
R190 R190
R191 R191
47K 47K
150K 150K
CB12 CB12
0.1uF 0.1uF
5VSB
*
R760 R760
4.7k 4.7k
DEL R759 R262 Q11 16/2
MUTE_RES
Q43 Q43
1
2N3904 2N3904
Title Title Title
AUDIO Amplifier AUDIO Amplifier AUDIO Amplifier
Document Number Document Number Document Number
Size Size Size
AKAI_MT8202_27US_LVDS_V0.0 AKAI_MT8202_27US_LVDS_V0.0 AKAI_MT8202_27US_LVDS_V0.0
B B B
Date: Date: Date:
2
1
J8 J8
LOUT
INTL
1
2
3
3x1 3x1
DIP3/P2.54 DIP3/P2.54
J11 J11
ROUT
1
INTR
1
2 2
2x1 W/HOUSING 2x1 W/HOUSING
DIP2/W/H/P2.54 DIP2/W/H/P2.54
J12 J12
EXTR
1
2
3
EXTL
4
5
5x1 W/HOUSING 5x1 W/HOUSING
DIP5/W/H/P2.54 DIP5/W/H/P2.54
MUTE
R759 R759 4.7K 4.7K A_MUTE
R761 R761 1k 1k GPIO9
KAWA Confidential KAWA Confidential KAWA Confidential
Rev Rev Rev
<Designer> <Designer> <Designer>
Checked: Checked: Checked: <Checker> <Checker> <Checker>
Saturday, April 22, 2006 Saturday, April 22, 2006 Saturday, April 22, 2006 Sheet Sheet Sheet 17 17 17 17 17 17
1
D
C
B
A
1 1 1