Panasonic CF-48 Service Manual page 89

Main 21 SOUND (Amp)
1
VM1F
2SJ187
Q16
100
2
SUSB# R294
010:F9;028:D6;029:B4;029:F7
SNDGND
3
4
5
6
MUTE
028:D3
7 BEEPSP
020:E9;020:J2
47K
R77
C467
0.1u
SPKOL
020:G7
8
SPKOR
020:G7
9
10
11
A B
VC5SAI
032:E5
IC34 VC5SA
LP2980-50
1 OUT 5 JP4
Vin
3 NC 4
ON 1608JP
2
GND R293
R65
NS 4.7K
C385
0.1
0.1u
2125
1/4W 1%
3216 10V
C469
22u
SNDGND
VC5
R103
47K
3
2
VC5
Q15
1
DTC114YE
C384
IC33
0.1u R295
TPA0122PWPR TI
0
NU
C387
R35 14 PC-BEEP 19
VDD
0.1u
22 SHOTDOWN# 18
PVDD
C132 5 LLINEIN 7
PVDD
0.22u NU
R106
C267 6 LHPIN 4
LOUT+
0.22u NU
R107
C375
10 LIN 9
LOUT-
0.22u
C373 23 RLINEIN 21
ROUT+
0.22u NU
R248
C374 20 RHPIN 16
ROUT-
0.22u NU
R286
C383
8 RIN 15
SE/BTL#
0.22u
17 PCBENABLE 2
GAIN0
11 BYPASS 3
GAIN1
1 GND 24
C386 GND
1u
12 GND 13
GND
PowerPAD
25
C D
VC5SA
VC5SA
R302
47K
R101
470
R303
+ 16V
47K
X
C395
C391 0.1u
10u
R299 R301
2.2K 2.2K
SNDGND
SNDGND
MICPWR
034:C3
MICIN C393
R304
034:C3
0.22u 10K
PRMIC
022:I9
PRHPIN#
VC5
1
VC5
DTA144EE 2
Q74
3 R434
3 10K
HPIN
2
R433
Q73
47K
1
DTC114YE
VC5
0
47u HA R418
6V C392
R296
0 R411
1K
16V
C394
47u
C388
0.1u
SPKOL+
025:E8
SPKOL-
025:E9
0
47u HA
R419
6V C389
R417
1K
VC5
R300
NU
SPKOR+
025:E9
SPKOR-
025:E9
R305
0
VC5
R306
0
R409
NU
E F G
10 - 21
VC5SA
8
V+
IC35
NJM2904M
V-
4
SNDGND
NJM2904M
NJM2904M IC35
5
IC35 +
MIC
3 7
+ O
020:I6
1 C152 R104 6
O -
0.1u
2 10K
-
10K R308
47K R307
470p C396
C153 R105
0.1u 10K
022:I8
034:C3
0
HPOPRL
R420
022:I8
HPOJKL
034:C3
NU 0
R288
SNDGND SNDGND
NU 0
R289
0
SNDGND
HPOPRR
R421
022:I8 NU
R290
HPOJKR
SNDGND
034:C3
0
R291
SNDGND
H I
R424
PRSGND
R9
HPGND
J