Panasonic CF-Y4 Service Manual page 82

Main 19 AUDIO AMP, MIC
1
2
SPKOR
18"H4
SPKOL
18"H4
3
4
5
6
7
MICRIN
24"B3
MICLIN
24"B3
8
A B C
VC5AMP VC5AMP
VC5
R438
10
C453
0.1u
16V
. GAIN0 GAIN1
6dB 0 0
10dB 0 1
15.6dB 1 0
21.6dB 1 1 SNDGND
SNDGND SNDGND
R330
10k
1 GND
SHUTDOWN#
2 GAIN0
3 GAIN1
C455
4 LOUT+
10V
0.47u
5 LIN-
R329
10k 6 PVDD
7 RIN+
C452
0.47u 8 LOUT-
10V
9 LIN+
C300
10 BYPASS
0.47u
10V
SNDGND
VCODEC
VCODEC
SNDGND SNDGND
C304
0.1u
16V
SNDGND SNDGND
D E F
2 5
R343
10k
1 4 AC_MUTE
SNDGND
3 6
Q29
XP0421300L
SNDGND
EC_MUTE
2
1
20
GND
3
19
Q49
UNR9213J0L
18
ROUT+
SNDGND
17
RIN-
C457
16
0.47u
VDD 10V
SP_R
15
K1KA02BA0014
PVDD
SM02B-SRSS-TB(LF)(SN)
14
ROUT-
13
GND
12
NC
11
GND
SP_L
IC73
K1KA02BA0014
C1BB00001072
TPA6017A2PWPR SM02B-SRSS-TB(LF)(SN)
6
7
5
IC62
NJM12904V(TE1)
C0ABBA000093
IC62 C353
10u
NJM12904V(TE1)
10V
C0ABBA000093
3
+
MICIN
1
18"H6
2
SNDGND
-
R342
1/16W
10k
1/16W
R346
100k
C351
470p
50V
A5V
IC62
NJM12904V(TE1)
C0ABBA000093
8
VCC
4
GND
SNDGND
G H
18"E4
VC5AMP
24"E3
24"E3
HPJACKIN
CN31
1
2
CN27
1
2
A5V
VC5
L54
2 1
BLM18AG121SN1D
D19
EP10QY03-TE8L3
I J K L