B) Main Circuit - Panasonic SA-AK331GCP Service Manual

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SA-AK33 1GCP

17.3. (B) Main Circuit

SCHEMATIC DIAGRAM - 4
MAIN CIRCUIT
CR02
1
MOTOR
2
BP1
3
DECK1_H
4
DMT
5
TO
MOGND
DECK
6
CIRCUIT
MOT+B
7
(CN1001) ON
REC_H
SCHEMATIC
8
DIAGRAM-14
+15V
9
RECINR
10
RECINL
11
AFGND
12
PBR
13
PBL
14
CN2803
C2998
0.1
RCH
L2996
ERJ3GEY0R00V
AUX
LCH
JK2801
CHG_CW
14
CHG_HALF
13
CD8V
12
CHG_CCW
11
CLAMP
10
OPEN
TO
9
CD LOADING
CD_SW1
8
CIRCUIT
PGND
(CN1) ON
7
SCHEMATIC
CD_SW2
6
DIAGRAM-11
DGND
5
5V
4
POSITION
3
BOTTOMSW
2
PLUNGER
1
CN2805
: +B SIGNAL LINE
: -B SIGNAL LINE
Q2978
B1GDCFJJ0023
SWITCH
Q2978
R2976
0
C2976
16V10
R2216
12K
R2217
C2216
C2217
2.7K
680P
100P
R2117
C2116
C2117
2.7K
680P
100P
R2116
12K
R2943
R2946
R2945
10K
47K
47K
R2942
22K
R2941
12K
C2936
0.47
R2940
220
R2939
22K
Q2937
R2938
12K
R2936
1K
R2937
10K
Q2936
D2936
Q2937
B0EAKM000117
Q2936
B1GBCFJJ0039
B1ACKD000004
PLUNGER MOTOR
CD MOTOR SUPPLY SWITCH
SUPPLY CONTROL SWITCH
: PLAYBACK SIGNAL LINE
: AUX SIGNAL LINE
: RECORD SIGNAL LINE
: MAIN SIGNAL LINE
Q2980
B1GDCFJJ0023
DECK MOTOR SWITCH
R2977
MOT10V
/REC
+15V
REC_R
REC_L
PBR
PBL
AUXR
R2197
C2194
1K
16V10
LO_L
AUXL
VREF+
R2297
C2294
1K
16V10
LO_R
R2944
10K
+9V
CHG_CW
CHG_HLF
C2553
0.01
CD8V
CHG_CCW
C2557
0.01
CHG_AD1
-9V
CHG_AD2
CHG_SW1
C2184
1500P
R2184
CHG_SW2
3.3K
HI_L
SW5V
CHG_PLR
C2284
1500P
R2284
3.3K
HI_R
MOT10V
D2813
B0ACCK000005
62
0
R2193
R2192
R2191
C2191
100K
0
1K
0
C2193
C2192
0.1
0
C2291
R2291
R2293
R2292
0
100K
0
1K
C2293
0.1
C2292
0
Q2181
C2181
C2182
8200P
8200P
R2181
R2183
2.7K
5.6K
C2183
R2182
1
22K
Q2181,Q2281
B1ABCF000131
HPF FREQ AMP SWITCH
Q2281
C2281
C2282
8200P
8200P
R2281
R2283
2.7K
5.6K
C2283
R2282
1
22K
D2811
R2899
B0ADCJ000020
47K
R2152
0
R2154
100K
R2252
0
R2254
100K

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