Panasonic SA-PM08 - Electronic Volume and Interface Circuits; Electronic Volume and Interface Circuit Schematics

IC108
TC4052BFNELM
SIGNAL SELECTOR
AB
AB
C101
3300P
C108
3300P
R381
1K
R389
1K
IC111
M62446FPE2
ELECTRONIC VOLUME
C148
50V0.47
C151
0.022
C
156
3900P
C158
50V3.3
C169
50V3.3
AB
C
C177
16V22
C179
16V22
C185
16V22
R249
1K
R243
1K
R240
1K
S
G
D
S
G
D
S
G
D
DEF
Q201-203
2SJ498CDTA
INTERFACE
Q201
Q202
Q203
R291
1K
C225
100P
R286
1K
C219
100P
R275
1K
C212
100P
m
n
Y
C170
16V100
FAB E
C184
50V3.3
C178
50V3.3
G
C175
50V3.3
DC
C196
50V3.3
B
C163
50V3.3
A
C171
50V3.3
H
I
J
R307
100K
R312
100K
R294
22K
R290
22K
R285
22K
C272
0.1
C237
0.1
C
D
R273
22K
R229
470K
R228
470K
R227
470K
G
R267
22
C210 16V100
R232
10
R201
12
C150
0.022
C149
50V0.47
C155
3900P
R407
22K
R411
12K
R403
18K
C331
1000P
R408
22K
R410
12K
R404
18K
C332
1000P
EF
C203
50V4.7
AVss
GNDS GNDRGNDC
40 37 34 33 32 31 30 27 25 24 23 22
GNDL
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
262829353638394142
OUT-PUT PORT
VOLUME VOLUME VOLUME VOLUME VOLUME VOLUME
TONE TONE
MCU I/ F
LBASS1LBASS2LBASS3LTRE
AV
DD
RBASS1RBASS2RBASS3RTREAGND
BYPASSR
BYPASS L
LINRINCINSL INSR INSW INOUT4 OUT3 OUT2 OUT1
DVDD CLK DATA LATCH DGND SW OUT SR OUT SL OUT C OUT R OUT CL2CL1 L OUT CR2CR1
SCHEMATIC DIAGRAM - 18
K
H
L
M
G
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
S0
S2 S3 S1
INH V
EE Vss
S2 S1 S0 S3
V
DD AB
C253
0.1
J
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE :SURROUND SP. DRIVE SIGNAL LINE
:CENTER SP. DRIVE SIGNAL LINE
:SUB WOOFER SIGNAL LINE
:FM SIGNAL LINE
:AM SIGNAL LINE
- 7.1V
- 7.7V
7.7V
5.2V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V
5.1V 0V 5.1V 5.1V 7.1V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5.2V 0V 0V 0V 0V 5.1V 5.1V
0V 0V 0V 0V - 7.7V
5.2V