Panasonic SA-AK220E Service Manual page 58

SA-AK220E / SA-AK220EB
SCHEMATIC DIAGRAM - 8
MAIN CIRCUIT
C412
16V10
R420
2.7K
C1BB00000747
AUDIO SOUND PROCESSOR
C419 0.47
C420 0.47
R422
560
: +B SIGNAL LINE
: -B SIGNAL LINE
R410
R414
82
1K
R210
82
R411 R415
5.6K
47K
C404 C405
220P
220P
R211
R215
5.6K 47K
C204
C205
220P 220P
C310
6.3V100
1
REF IN
C311 6.3V100
2
REF OUT
C406 16V10
3
IN A1
C407 16V10
4 IN B1
C408 16V10
5 1N C1
C409 16V10
6 IN D1
7 VCUT
8 REC1
C411 16V10
A_VOLIN1
9
C413 50V0.47
10 TBI1
R419
1.5K
C414 50V0.47
TBO1
11
IC300
C415 0.22
12
TMI1
C416 0.22
13 TMO1
C417 2200P
14 TT1
C418 16V10
IC300
15 TOUT1
16
B_VOLIN1
17
BB_A1
18 BB_B1
OUT1
19
C305
16V220
20 VCC
21 DATA
C336
R421
68K 0.1
C308
120P
: AUX SIGNAL LINE
: CD SIGNAL LINE
: FM/AM SIGNAL LINE
R416
100K
R214
R417
1K
12K
R217
12K
R216
100K
R279
R479
C304 50V1
SUR1 42
R305 6.8K
SUR2 41
C206 16V10
40
IN A2
C207 16V10
IN B2 39
C208 16V10
IN C2 38
C209 16V10
IN D2 37
36
MIC IN
C212 16V10
REC2 35
16V10
C211
A_VOLIN2
34
C213 50V0.47
TBI2
33
R219
1.5K
C214 50V0.47
TBO2 32
C215 0.22
31
TMI2
R220
2.7K
C216 0.22
TMO2 30
C217 2200P
TT2 29
C218 16V10
TOUT2
28
BVOLIN2 27
C219 0.47
26
BB_A2
0.47
C220
BB_B2
25
R222 560
OUT2 24
R221
23
GND 68K
22
CLOCK
58
: MAIN SIGNAL LINE
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
C303
D301
1000P
B0BC7R500001
D301
+15V
DET_OUT
R302
DO/ST
10K
SD
+9.0V
R303
R454
27
DVREF+
4.7K
R212
1K
8.2K
LM_RIN
R301 4.7K
8.2K
LM_LIN
R213
47K
R413
PLLCE
47K
PLLDA
PLLCLK/
D304
+9.0V
DCDET
AUXR
R819
MUTE_H
2.2K
+15V
HI_L
HI_R
LO_L
LO_R
D303
D305
CD7.5V
D306
D302
CD8V
R307
1.2K LED9V
ASP_CLK
MOT10V
R308
+9V
1.2K
ASP_DAT
-9V
SW5V
D302
B0ACCK000005
D303~D305
B0ADCJ000020
D306
B0EAKM000117
C302
0.01
TGND
TO
+15V
TUNER/MAIN
DET_OUT
CIRCUIT
DO/ST (1A) ON
SCHEMATIC
SD
DIAGRAM-3
+7.5V
2A
RCH
TO
CE
TUNER/MAIN
LCH
CIRCUIT
PLLDA
(1B) ON
SCHEMATIC
DO/ST
DIAGRAM-3
PLLCLK
2B
R354
100
1
DC_DET
2
MUTE_H
3
+15V
4
HIGH_LIN
TO
5
POWER
HIGH_RIN
6
CIRCUIT
A_GND
(CN500) ON
7
SCHEMATIC
LOW_LIN
8
DIAGRAM-12
LOW_RIN
9
AGND
10
11
T GND
12
CN300
P_GND
1
D_GND
2
UP GND
3
4
TO
CD8V
POWER
5
CIRCUIT
6
(CN501) ON
SCHEMATIC
7
DIAGRAM-12
LED9V
8
MOT10V
9
+9V
10
-9V
11
SW5V
12
CN301