CF-29 (serv.man6) - Panasonic PC Service Manual Simplified (repair manual). Page 44

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Main 21 SOUND AMP, MIC SPK
C420
0.1u
C421
100p
R283
2.2K
C433
0.22u
R287
100K
C436
2200p
R284
68K
R285
47K
SNDGND1
C435
0.1u
TP114
SP-ON
021:D10;021:H10;022:C7
SNDGND1
R282
470
HPOPRR
022:F7
HPOPRL
022:F7
PRMIC
022:C7
SNDGND1
SNDGND1
L29
BK1608HS601
1
2
L30
BK1608HS601
1
2
L32
BK1608HS601
1
2
L31
BK1608HS601
1
2
HSJ5063-01-440
JK2
PHONE JACK
HOSHIDEN
6
5
4
2
L
3
R
1
R286
10K
SNDGND1
INTMIC/PR#
009:A10
SN74AHC2G66HDCTR
SSOP8
IC30
7
1OE
2
O/I_1
6
O/I_2
1
I/O_1
5
I/O_2
8
VCC
3
2OE
4
GND
IC42
NC7ST04P5X
2
4
VC3
C380
0.1u
16V
C442
0.1u
16V
IC42
NC7ST04P5X
5
VCC
3
GND
BM03B-SRSS-TB
CN23
INT MIC CN
JST
1
2
3
R274
10K
C318
0.22u
MIC
020:F8
R271
2.2K
SNDGND1
C363
100p
R277
10K
C358
NU
C355
0.22u
C357
10u 6.3V
2125
C419
0.1u
16V
SNDGND1
SNDGND1
SNDGND1
R266
0
2125
R267
0
2125
C444
100p
C443
100p
R270
NU
NJM12904V
IC25
V-
4
V+
8
NJM12904V
IC25
-
2
1
O
+
3
NJM12904V
IC25
-
6
7
O
+
5
R458
100K
R459
100K
C265
0.22u
SNDGND1
VCODEC
VCODEC
VCODEC
VCODEC
VCODEC
NC7SZ66P5X
IC32
1 I/O
4 CIN
2
O/I
C437
0.1u
SNDGND1
SPKOR
020:F9
VC5AMP
VC5AMP
C373
0.1u
R276
NU
SNDGND1
R278
56K
AC_MUTE
020:D6
VC5
R291
0
TPA0122PWPR
IC51
TSSOP24PWP
TI
1 GND
2
GAIN0
3
GAIN1
4
LOUT+
5 LLINEIN
6 LHPIN
7
PVDD
8 RIN
9
LOUT-
10 LIN
24
GND
23 RLINEIN
22 SHOTDOWN#
21
ROUT+
18
PVDD
17 PCBENABLE
16
ROUT-
15
SE/BTL#
14 PC-BEEP
13
GND
11 BYPASS
12 GND
20 RHPIN
19
VDD
25
PowerPAD
UNR9113J0L
Q17
3
1
2
C434
1u
R295
1K
R294
47K
R280
0
BEEPSP
020:J2
SNDGND1
R279
0
SNDGND1
SPKOL
020:F9
MUTE
028:F7
VC5AMP
53398-0290
CN12
Speaker CN
MOLEX
1
2
SNDGND1
VC5
R292
NU
SNDGND1
R290
0
2125
SP-ON
021:H10;021:I6;022:C7
C364
0.1u
VC5AMP
R275
56K
C440
0.1u
C356
0.1u
16V
SNDGND1
SNDGND1
R281
10K
C376
0.1u
R289
NU
R293
1K
UNR9214J0L
Q121
3
1
2
VC5AMP
SNDGND1
6.3V
C439
22u
3216
B
VC5
SNDGND1
6.3V
C438
22u
3216
B
UNR9214J0L
Q16
3
1
2
R288
0
IC32
NC7SZ66P5X
5
VCC
3
GND
R296
100
R297
100
SP-ON
021:D10;021:I6;022:C7
HSJ1493-01-010
JK1
MIC JACK
HOSHIDEN
4
6
3
R
2
L
1
5
6.3V
C441
47uF
3225
B
R727
10K
C659
0.1u
SNDGND1
10
-24V/V    1      1
-12V/V    1      0
       GAIN0  GAIN1
-6V/V     0      1
-2V/V     0      0
1
2
3
4
5
6
7
8
9
10
11
A
B
C
D
E
F
G
H
I
J
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