B) Main Circuit - Panasonic SA-AK220GCP Service Manual

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-15
+15V
9
RECINR
10
RECINL
11
AFGND
12
PBR
13
PBL
14
CN304
RCH
L305
J0JBC0000019
AUX
C401
680P
LCH
JK300
CHG_CW
14
CHG_HALF
13
CD8V
12
CHG_CCW
11
TO
R344
CLAMP
CD LOADING
10
CIRCUIT
R345
OPEN
9
(CN1) ON
CD_SW1
SCHEMATIC
8
DIAGRAM-11
PGND
C326
7
0.47
CD_SW2
6
DGND
5
5V
4
POSITION
R346
3
R347
BOTTOMSW
2
PLUNGER
1
CN309
D324
B0ACCK000005
Q308
D307
D308
R329
330
: PLAYBACK SIGNAL LINE
: +B SIGNAL LINE
: RECORD SIGNAL LINE
MOT10V
C306
50V1
C443
R201
0.1
10K
C202 R202
C201
680P 100P 3.3K
R402
C402
3.3K
100P
R401
10K
R343
R340 R396 R395
10K
10K 47K 47K
CHG_CW
CHG_HLF
CHG_CCW
22K
CHG_AD1
CHG_AD2
12K
CHG_SW1
CHG_SW2
R348
220
22K
Q323
12K
CHG_PLR
R349
1K
R350
10K
MOT10V
Q324 Q323
B1GBCFJJ0039
PLUNGER MOTOR
Q324
SUPLY CONTROL SWITCH
KTA12710YTA
CD MOTOR SUPPLY SWITCH
D309
R324
R323
B0EAKM000117
12
15
C321 R325
10K
0.01
R327
1K
Q309
R326
Q310
100
C320
R328
10V22
2.2K
: AUX SIGNAL LINE
: MAIN SIGNAL LINE
REC
+15V
REC_R
REC_L
PBR
PBL
AUXR
R444
0
HI_L
AUXL
VREF+
R244
0
HI_R
CD8V
VREF+
EE_CS
EE_CLK
SW5V
C364 C363
R803 R802
330P 0.022
22K 22K
C366
330P
CD3.3V
CD8V
KTA12710YTA
CURRENT CONTROL SWITCH
53
TO
PANEL CIRCUIT
(CP601) ON
SCHEMATIC DIAGRAM-10
9
1 2 3 4 5 6 7 8 10 11 12 13
C432
R440
0
0
R240 C232
0 0
4 3 2 1
IC304
BR93LC46FE2
E-EPROM
(NOT SUPPLIED)
5 6 7 8
R806
4.7K
Q309
Q308
KTC3199GRTA
VOLTAGE STABILISER
CD 3.3V
SA-AK220GCP
CN303
14 15 16 17
R445
220
R245
220
Q310
B1GCCFGA0005
CD ON/OFF
SUPPLY SWITCH