Toshiba 23HLV87 Circuit Diagrams - Page 15

Audio Schematic Diagram

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8 7 6 5 4 3 2 1 H-13 A B C D E F G H AUDIO SCHEMATIC DIAGRAM (MAIN PCB) AUDIO OUTPUT OP 6VA AU12V AUOUTL0 R299 100 C261 1800p R302 10K R295 22K CA36 + 100uF/10V R296 22K 6VA R303 100K C260 R300 1K 3+ 2- + 4.7U/16V 6VA 4 8 R293 100 U32A TL062 1 R319 100K R307 3.3K C262 100p VCC-OP2 VCC-OP2 + CA37 100uF/16V CA38 4.7uF/16V R304 10K + A1-L AUOUTR0 R315 100 6VA R326 100K C263 R316 1K + 4.7U/16V 6VA 5+ 6- 4 8 VCC-OP2 U32B TL062 7 C264 1800p R318 10K R324 100K Near MST.IC Ground in the middle of the L/R R321 3.3K C265 100p + CA42 A2-R 4.7uF/16V R320 10K Keep AGND trace with signal Keep spacing for L/R Keep trace width(12mil+) DVD-L DVD-L R88 10k C93 R50 330p 12k C43 560p C42 2.2uF B1-L DVD-R DVD-R R170 10k C122 R54 330p 12k C50 2.2uF B2-R C48 560p Keep AGND trace with signal Keep spacing for L/R Keep trace width(12mil+) R169 5.6K R168 390K R175 NC R176 NC R177 0 R178 0 0.33uF C350 C338 0.1uF C333 0.1uF 0.1uF C349 0.1uF C346 CA46 LINE1/OUT1 10uF/16V CA47 LINE2/OUT2 10uF/16V TDA7266SA GND2 17 AMP_LIN AMP_RIN R292 470 R294 470 12VA 2 3 1 DD35 BAV99 R306 2.2M R308 10 Q13 3906 R311 2.2M + + CA41 CA40 220uF/16V 2.2uF/16V C258 1000p R297 22K C259 1000p R298 22K C256 2.2u U31 12 2IN+ C257 2.2u 4 1IN+ 12VA R309 470 1 R310 22K 2 3 R305 10k D6 4148 D7 4148 Q14 3904 R301 10k + CA39 1000uF/16V 5VA R314 10K R312 10K R313 4.7K 3 MUTE_AMP R317 1K 1 Q15 3904 22 9 6 7 21 3 19 13 24 22 SGND AMUTE Standby 21 VCC1 19 VCC2 24 8 PWGND TDA7266SA CA43 2.2uF/16V 16 GND1 2OUT+ 25 NC1 20 NC3 23 2OUT- 15 25 5 20 11 23 14 1OUT+ 18 NC2 1 18 10 1OUT- 2 CON12 1 2 3 4 CON_4PIN 2 POWER_ON/OFF R323 5VA R322 10k 4.7K 1 3 R333 Q16 3904 10K + CA54 10uF/16V 2 R173 390K R174 5.6K + + HOLE R404 R405 10 MSDA 10 MSCL MSDA MSCL 9 8 9 8 9 8 7 1 7 1 7 1 7 2 2 2 6 3 6 3 6 3 6 4 5 H1 PAD 5 4 H2 PAD 5 4 H3 PAD 5 8 4 9 1 2 3 H10 PAD 8 9 7 1 2 6 3 4 5 H11 PAD NC2 32 OPEN2 31 BNF1 30 BOUT1 29 BNF2 28 BOUT2 27 OUT1 26 OUT2 25 LINE1 24 LINE2 23 GND 22 SDA 21 SCL 20 CAP2 19 C1 18 C2 17 LINE1/OUT1 LINE2/OUT2 R124 100 R117 100 C85 1800p R61 10K C118 1800p R121 10K U37 6VA VCC-OP2 CA44 10uF/16V + R328 100K C114 2.2u R166 1K 6VA 3+ 2- 4 8 VCC-OP2 U36A TL062 1 C119 2.2u CA16 + 220uF/16V R165 10k AMP_LIN AMP_LIN 2 1 R327 100K 6VA R329 100K C115 2.2u R129 1K 6VA 4 R118 3.3K C117 100p VCC-OP2 8 5+ 6- U36B TL062 7 R330 100K R120 3.3K C116 100p + CA12 220uF/16V AMP_RIN AMP_RIN R164 10k Keep AGND trace with signal Keep spacing for L/R Keep trace width(12mil+) 12VA L72 Ground in the middle of the L/R C325 0.01uF C295 0.01uF 3 4 C294 5 0.22uF 6 C268 7 0.22uF 8 BD3888FS 14 13 12 11 22uF/16V 0.33uF C267 10 9 A2-R A1-L CA9 + AU9V C44 2.2uF C46 2.2uF R167 2.2M AU12V 10uH + U33 3 VIN VOUT 2 1 ADJ TAB 4 AMS1117-ADJ/9V R331 100 NC1 OPEN1 TNF1 TNF2 VIN2 SEL2 VIN1 SEL1 LS CAP1 FIL VCC A1 A2 B1 B2 B1-L 15 B2-R 16 8 9 7 1 2 6 3 4 5 H4 PAD 7 1 2 6 3 4 5 H5 PAD AU9V + 8 9 1 1 1 1 1 H6 TPAD H7 TPAD H8 TPAD H9 TPAD H12 TPAD H15 TPAD H14 TPAD H13 TPAD 1 1 1 CA45 100uF/16V C266 0.1u R332 620 C328 470p C327 0.1u CA65 100uF/16V A B C D E F G H 8 7 6 5 4 3 2 1 H-14

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1
3
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5
6
7
8
2
1
3
4
5
6
7
8
H-14
H-13
(MAIN PCB)
AUDIO SCHEMATIC DIAGRAM
A
H
B
C
D
E
F
G
A
H
B
C
D
E
F
G
2
P
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-
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B1-L
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A1-L
A2-R
A
D
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M
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C
S
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LINE1/OUT1
LINE2/OUT2
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470p
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470p
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C266
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1
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GND1
16
GND2
17
8
1
8
1
9
1
9
1
0
2
0
2
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2
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2
2
2
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6
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6
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22K
R297
22K
1
5
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D
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2
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C
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4
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C
C267
0.33uF
C267
0.33uF
K
7
.
4
3
2
3
R
K
7
.
4
3
2
3
R
R121
10K
R121
10K
+
CA45
100uF/16V
+
CA45
100uF/16V
+
CA46
10uF/16V
+
CA46
10uF/16V
8
6
1
R
K
0
9
3
8
6
1
R
K
0
9
3
C333
0.1uF
C333
0.1uF
F
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2
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2
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5
C
F
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2
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2
0
5
C
3
2
1
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4
-
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A
6
3
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2
6
0
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T
-
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A
6
3
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2
6
0
L
T
0
3
3
R
K
0
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1
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3
3
R
K
0
0
1
6
9
2
R
K
2
2
6
9
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K
2
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3
A
C
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6
1
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7
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4
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6
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4
3
4
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2
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2
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2
3
5
1
Q
4
0
9
3
5
1
Q
4
0
9
3
+
CA47
10uF/16V
+
CA47
10uF/16V
9
6
1
R
K
6
.
5
9
6
1
R
K
6
.
5
1
2
3
4
5
6
7
8
9
3
H
D
A
P
3
H
D
A
P
C338
0.1uF
C338
0.1uF
C118
1800p
C118
1800p
F
u
2
.
2
2
4
C
F
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2
.
2
2
4
C
1
2
3
6
1
Q
4
0
9
3
6
1
Q
4
0
9
3
C294
0.22uF
C294
0.22uF
1
2
3
4
5
6
7
8
9
1
1
H
D
A
P
1
1
H
D
A
P
5
6
7
8
4
-
+
B
2
3
U
2
6
0
L
T
-
+
B
2
3
U
2
6
0
L
T
C259 1000p
C259 1000p
R302
10K
R302
10K
+
6
3
A
C
V
0
1
/
F
u
0
0
1
+
6
3
A
C
V
0
1
/
F
u
0
0
1
+
CA9
22uF/16V
+
CA9
22uF/16V
7
1
1
R
0
0
1
7
1
1
R
0
0
1
4
9
2
R
0
7
4
4
9
2
R
0
7
4
9
0
3
R
0
7
4
9
0
3
R
0
7
4
1
8
H
D
A
P
T
8
H
D
A
P
T
2
2
3
R
k
0
1
2
2
3
R
k
0
1
H
u
0
1
2
7
L
H
u
0
1
2
7
L
k
0
1
8
8
R
k
0
1
8
8
R
C44
2.2uF
C44
2.2uF
C261
1800p
C261
1800p
K
1
9
2
1
R
K
1
9
2
1
R
4
6
1
R
k
0
1
4
6
1
R
k
0
1
k
0
1
0
7
1
R
k
0
1
0
7
1
R
C346
0.1uF
C346
0.1uF
K
3
.
3
1
2
3
R
K
3
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3
1
2
3
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J
D
A
1
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U
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2
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3
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A
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4
3
3
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V
9
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D
A
-
7
1
1
1
S
M
A
3
3
U
V
9
/
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D
A
-
7
1
1
1
S
M
A
R298
22K
R298
22K
C46
2.2uF
C46
2.2uF
0
0
1
9
9
2
R
0
0
1
9
9
2
R
8
0
3
R
0
1
8
0
3
R
0
1
3
2
1
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4
-
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2
3
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2
6
0
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-
+
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2
3
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2
6
0
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6
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3
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3
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3
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1
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1
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4
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2
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D
A
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1
7
H
D
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7
H
D
A
P
T
3
0
3
R
K
0
0
1
3
0
3
R
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0
0
1
1
2
3
4
5
6
7
8
9
0
1
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D
A
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D
A
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4
2
1
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0
0
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2
1
R
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1
+
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C
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6
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0
2
2
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C
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6
1
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0
2
2
C327
0.1u
C327
0.1u
R332
620
R332
620
2
9
2
R
0
7
4
2
9
2
R
0
7
4
C258 1000p
C258 1000p
C349
0.1uF
C349
0.1uF
R61
10K
R61
10K
5
6
1
R
k
0
1
5
6
1
R
k
0
1
+
7
3
A
C
V
6
1
/
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u
0
0
1
+
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3
A
C
V
6
1
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0
0
1
p
0
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1
6
1
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C
p
0
0
1
6
1
1
C
R175
NC
R175
NC
u
2
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2
6
5
2
C
u
2
.
2
6
5
2
C
0
1
5
0
4
R
0
1
5
0
4
R
+
CA65
100uF/16V
+
CA65
100uF/16V
0
0
1
1
3
3
R
0
0
1
1
3
3
R
3
9
2
R
0
0
1
3
9
2
R
0
0
1
K
1
0
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3
R
K
1
0
0
3
R
+
2
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A
C
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6
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5
6
7
8
9
5
H
D
A
P
5
H
D
A
P
+
9
3
A
C
V
6
1
/
F
u
0
0
0
1
+
9
3
A
C
V
6
1
/
F
u
0
0
0
1
3
4
C
p
0
6
5
3
4
C
p
0
6
5
9
1
1
C
u
2
.
2
9
1
1
C
u
2
.
2
7
2
3
R
K
0
0
1
7
2
3
R
K
0
0
1
0
1
3
R
K
2
2
0
1
3
R
K
2
2
6
0
3
R
M
2
.
2
6
0
3
R
M
2
.
2
K
3
.
3
0
2
1
R
K
3
.
3
0
2
1
R
u
2
.
2
7
5
2
C
u
2
.
2
7
5
2
C
VIN1
7
SEL1
8
B2
16
B1
15
A2
14
VCC
12
A1
13
FIL
11
NC1
1
TNF1
3
TNF2
4
VIN2
5
SEL2
6
CAP1
10
LS
9
OPEN1
2
NC2
32
OPEN2
31
BNF1
30
BOUT1
29
BNF2
28
BOUT2
27
OUT1
26
OUT2
25
LINE1
24
LINE2
23
GND
22
SDA
21
SCL
20
CAP2
19
C1
18
C2
17
7
3
U
S
F
8
8
8
3
D
B
7
3
U
S
F
8
8
8
3
D
B
3
7
1
R
K
0
9
3
3
7
1
R
K
0
9
3
R177
0
R177
0
1
1
3
R
M
2
.
2
1
1
3
R
M
2
.
2
R167
2.2M
R167
2.2M
C85
1800p
C85
1800p
+
4
5
A
C
V
6
1
/
F
u
0
1
+
4
5
A
C
V
6
1
/
F
u
0
1
3
1
Q
6
0
9
3
3
1
Q
6
0
9
3
+
V
6
1
/
F
u
0
2
2
2
1
A
C
+
V
6
1
/
F
u
0
2
2
2
1
A
C
p
0
0
1
2
6
2
C
p
0
0
1
2
6
2
C
0
5
R
k
2
1
0
5
R
k
2
1
C295
0.01uF
C295
0.01uF
6
2
3
R
K
0
0
1
6
2
3
R
K
0
0
1
K
3
.
3
7
0
3
R
K
3
.
3
7
0
3
R
p
0
0
1
5
6
2
C
p
0
0
1
5
6
2
C
5
0
3
R
k
0
1
5
0
3
R
k
0
1
R178
0
R178
0
K
1
7
1
3
R
K
1
7
1
3
R
R318
10K
R318
10K
8
2
3
R
K
0
0
1
8
2
3
R
K
0
0
1
K
1
6
1
3
R
K
1
6
1
3
R
1
6
H
D
A
P
T
6
H
D
A
P
T
+
0
6
2
C
V
6
1
/
U
7
.
4
+
0
6
2
C
V
6
1
/
U
7
.
4
C268
0.22uF
C268
0.22uF
4
5
R
k
2
1
4
5
R
k
2
1
4
0
3
R
K
0
1
4
0
3
R
K
0
1
u
2
.
2
4
1
1
C
u
2
.
2
4
1
1
C
C350
0.33uF
C350
0.33uF
1
2
1
H
D
A
P
T
2
1
H
D
A
P
T
4
7
1
R
K
6
.
5
4
7
1
R
K
6
.
5
1
0
3
R
k
0
1
1
0
3
R
k
0
1
1
9
H
D
A
P
T
9
H
D
A
P
T
p
0
0
1
7
1
1
C
p
0
0
1
7
1
1
C
C264
1800p
C264
1800p
3
1
2
5
3
D
D
9
9
V
A
B
5
3
D
D
9
9
V
A
B
3
1
3
R
K
7
.
4
3
1
3
R
K
7
.
4
0
2
3
R
K
0
1
0
2
3
R
K
0
1
8
4
C
p
0
6
5
8
4
C
p
0
6
5
C325
0.01uF
C325
0.01uF
R176
NC
R176
NC
+
V
6
1
/
F
u
0
2
2
6
1
A
C
+
V
6
1
/
F
u
0
2
2
6
1
A
C
1
2
3
4
5
6
7
8
9
4
H
D
A
P
4
H
D
A
P
0
0
1
5
1
3
R
0
0
1
5
1
3
R
1
3
1
H
D
A
P
T
3
1
H
D
A
P
T
u
2
.
2
5
1
1
C
u
2
.
2
5
1
1
C