Panasonic SA-AK66 Service Manual page 7

SCHEMATIC DIAGRAM - 5
MAIN CIRCUIT
C434
0.01
C433
0.01
C436
0.01
C340
R319
16V47
100K C341
C342
680P
50V4.7
C343
R320
10V220
C345
100K
C346
16V10
LTIN C347
16V10
C335
RTIN C348
16V10
10V220
C349
16V10
CIN
C350
16V10
SLIN C351
16V10
SRIN C352
16V10
C331
SWIN
C353
16V10
0.1
LOCH
16V10
R365
0
R228
10K
R219
10K
: +B SIGNAL LINE : MAIN SIGNAL LINE
: +B SIGNAL LINE
R326
R323
150K
150K
R325
C435 C437
R322
47K
0.01
680P
47K
R321
75K
64
63 62 61 60
ABL
65 ABR
NGC3
66
67 NGC2
68 NGC1
AVCC
69
70 VREF1
IREF
71
72 LIN
RIN
73
74 LTIN
RTIN
75
76 CIN
77 SLIN
VRSWIN
78 SRIN
SWIN
79
80
1 2 3 4 5
1 2 3 4
IC310
M62429FP
2CH ELECTRONIC
VOLUME IC
8 7 6 5
R449
100
C470
6.3V470
TO
PANEL CIRCUIT (CP607) ON
SCHEMATIC DIAGRAM-8
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
48
59 58 57 56 55 54 53 52 51 50 49 47 46 45 44
BNR
IN
IC303
M62464FP
DOLBY PRO-LOGIC DECODER
WITH 6CH I/P
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
9 8 7 6 5 4 3 2 1
C385
50V0.68
41
43 42
ECHO
OUT
40
DVOL OUT
LPF2 OUT
39
C380 1000P
LPF2 IN2 38
LPF2 IN1 37
C379 4700P
DAINTOUT
36
C378 0.1
DAINTIN 35
DACONT 34
C377 0.22
ADCONT 33
C376 0.22
ADINTOUT 32
ADINTIN 31
C375 0.1
LPF1 IN3
30
LPF1 IN2 29
C374 1000P
LPF1 IN1 28
C373 4700P
D IN
27
C372
DSEL IN 26
50V1
DVSS 25
REQ
22 23 24
SW5V
C369 100P
R328
10
C370 100P
C371 100P
R339 2.7K
SER5
R337 100
SER7
R338 100
CP502
R426 R427
27K
3.3K
C417
16V10
5 6 7 8
VCC
IC308
GND
4 3 2 1
C217
16V10
IC308
M5218AP
BUFFER AMP IC