Panasonic SA-PM23P / SA-PM23PC Service Manual ▷ View online
17.2. Main/Power Circuit, Tuner Extent Circuit and CD Open/Close Circuit
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100
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7
2
1
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3
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1
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3
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5
1
2
1
2
10
2
4
6
8
9
9
7
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3
1
10
2
4
6
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9
9
7
5
3
1
10
2
4
6
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9
7
5
3
1
15
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12
11
10
2
4
6
8
9
9
7
5
3
1
17
16
16
17
18
19
1
2
3
4
5
6
14
12
10
8
7
7
9
11
13
15
R872 1K
C847 1000P
R807 10K
R808 10K
R877 22K
R878 22K
R879 100K
C852 100P
R851 10K
R850 22K
R852 10K
C843 100P
C844 50V1
C848 1000P
C849 1000P
C851
0.01
R880
4.7K
R873 1K
R863 100
R863 100
R862 100
R861 100
R871 1K
R891 15K
R890 15K
R870 1K
R868 1K
R867 1K
R866 1K
R865 1K
R864 1K
R859 4.7K
R858 4.7K
R858 4.7K
IC803
MN101C49GHD
MICROPROCESSOR
IC802
C0DBZGC00067
3.3V REGULATOR IC
Q801, Q802
B1GBCFGG0030
SWITCH
IC804
C3EBEG000072
EEPROM
(NOT SUPPLIED)
R856 100
R855 1K
R855 1K
R853 1K
R854 1K
R822 10K
R824 100
R823 100
R820 1K
WA02 0
R893
100K
R819 1K
R896 100K
R882 1K
R849 1K
A9V
AN7
AN6
KEY1
KEY2
D5V
CD_DGND
CD_LCH
A_GND
CD_RCH
CD_7.5V
PGND
CD_MCLK
CD_MDATA
CD_MLD
BLKCK
CD_RST
REST_SW
STAT
CD_OPEN_SW
D5V
VREF+
VOL_JOG1
REC_H
DMT
VOL_JOG2
MOT
OR_L
PL_L
ASP_DA
TA
ASP_CLK
MUTEA
PCONT2
PHOT
O
R837 5.8K
R844 1K
R843 1K
R385 0
R383 0
R848 4.7K
R847 100
R846 4.7K
R835 100
R834 100
R833 100
R832 100
C833 18P
C834 18P
C835 18P
C836 22P
C829 47P
C819 0.1
C818 4700P
C817 4700P
C832 0.1
C831 0.1
R841 10K
R845 10K
R828 2.7K
R827 2.7K
C871
16V10
C825 4700P
C824 4700P
C823 4700P
C822 4700P
C821 4700P
C820 4700P
R830 10K
R831 10K
R831 10K
R829 10K
R842 330K
C853
100P
R840
1M
R889 100
H0A327200100
RSXZ8M0000L
T
R884
100K
R869
1K
C846
50V1
VREF+
E_CS
CL
SDA
FL_CLK
FL_DATA
FL_CS
CD_MLD
CD_RST
BLKCK
REST_SW
CD_OPEN_SW
HALT
RMT
E_CLK
E_DATA
VDD
SYS6V
D807
B0ACCK000005
Q804
B1GBCFNN0038
RESET SWITCH
C845
0.01
C839
6.3V1000
L804
G0C3R3JA0027
L805
G0C3R3JA0027
D806
B0ACCE000003
D805
B0ACCE000003
C840
6.3V1000
C837
6.3V100
C838
6.3V100
R857
4.7K
X802
X801
R821
470K
C816
16V10
D802
B0ACCK000005
Q808
Q807
B1GBCFGJ0016
MOTOR SWITCH
DEMO (L:ON H:OFF)
PCONT_2
NC
CL
NC
SDA
FL_CLK
NC
FL_DATA
NC
FL_CS
NC
NC
NC
NC
NC
CD_MLD
CD_RST
NC
NRST
NC
NC
NC
BLKCK
REST_SW
CD_OPEN_SW
HALT
RMT
REC_H
NC
DMT
WMA
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
MP1
MP2
CRTIMER
NC
S/W RST
VREF-
VOL_JOG1
VOL_JOG2
NC
NC
VREF+
NC
DMT
WMA
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
MP1
MP2
CRTIMER
NC
S/W RST
VREF-
VOL_JOG1
VOL_JOG2
NC
NC
VREF+
VREF-
KEY1
KEY2
AN6 (MK_IN1)
AN7 (MK_IN2)
PWRDET
REGION
VOL_DET1
VOL_DET2
VREF+
VDD
OSC2 (8MHZ)
OCS1 (8MHZ)
VSS
XI (32KHZ)
XO (32KHZ)
MMOD (GND)
NC
NC
NC
CD_MDA
TA
CD_ST
AT
CD_MCLK
NC
PCONT_1
PHOT
O
TA
PE_EJECT
NC
NC
PL_H
MOT
OR_H
NC
NC
NC
STEREO
TUNED
NC
E_CS
E_CLK
E_DA
TA
NC
NC
NC
ASP_DA
TA
ASP_CLK
NC
NC
MUTEA
HP_SW
NC
NC
GND
D0
D1
NC
VCC
CS
CLK
CD_MDA
TA
ST
AT
CD_MCLK
PCONT_1
CN401
W401
C853
100P
PORTSEL
CL
SDA
TUNED
TUNER_LCH
STEREO
TUNER_RCH
DET
TUNER_9V
TNR_GND
CL
SDA
TUNED
TUNER_LCH
STEREO
TUNER_RCH
DET
TUNER_9V
TNR_GND
PORTSEL
CL
SDA
TUNED
TUNER_LCH
STEREO
TUNER_RCH
DET
TUNER_9V
TNR_GND
CL
SDA
TUNED
TUNER_LCH
STEREO
TUNER_RCH
DET
TUNER_9V
TNR_GND
PORTSEL
CL
SDA
TUNED
TUNER_LCH
STEREO
TUNER_RCH
DET
TUNER_9V
TNR_GND
PORTSEL
CL
SDA
TUNED
TUNER_LCH
STEREO
TUNER_RCH
TUNER_9V
9VGND
REC_H
A9V(D9V)
DMT
PHOTO
REC_RIN
NC
REC_LIN
VREF-
AGND
VREF+
PB_ROUT
AN7
PB_LOUT
AN6
MOTOR_9V
PL_L
MOTOR_GND
MOTOR_L
REC_H
A9V(D9V)
DMT
PHOTO
REC_RIN
NC
REC_LIN
VREF-
AGND
VREF+
PB_ROUT
AN7
PB_LOUT
AN6
MOTOR_9V
PL_L
MOTOR_GND
MOTOR_L
CD_L
A_GND
CD_R
CD_3.3V
CD_DGND
LD_SW/CLOCK
TX
CD_7.5V
PWR_GND
MCLK
MDATA
MLD
BLKCK
STATUS
RST
REST_SW
LOADING
A_GND
CD_R
CD_3.3V
CD_DGND
LD_SW/CLOCK
TX
CD_7.5V
PWR_GND
MCLK
MDATA
MLD
BLKCK
STATUS
RST
REST_SW
LOADING
GND
CS_OPEN_SW
CS_OPEN_SW
R809 100
R810 100
R811 100
R815 10K
R816 10K
R810 100
R811 100
R815 10K
R816 10K
R812 100
L812 J0JKB0000020
L802 J0JKB0000020
L803 J0JKB0000020
L801 J0JKB0000020
R813 100
R817 100
R803 4.7K
R804 4.7K
R805 10K
R806 10K
C812
1000P
C810
1000P
C416
1000P
C216
1000P
C805
16V22
C804
0.1
C780
1000P
L=OPEN
H=CLOSE
S1000
CD OPEN SW
Q801
Q802
CN400
W400
CN801
CN804
(1)
(19)
(17)
(1)
Q808
B1GBCFGJ0016
PLUNGER SWITCH
STEREO
TUNED
E_CS
E_CLK
E_DA
TA
C101
6800P
C102
6800P
AGND
TNR_GND
WA10 0
WA03 0
WA01 0
SCHEMATIC DIAGRAM - 2
MAIN/POWER CIRCUIT
TUNER EXTENT
CIRCUIT
: +B SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: -B SIGNAL LINE
: CD SIGNAL LINE
: TUNER SIGNAL LINE
: TAPE RECORDING SIGNAL LINE
: TAPE RECORDING SIGNAL LINE
TO
DECK CIRCUIT
(CN1303) ON
SCHEMATIC
DIAGRAM-6
TO TUNER PACK
Z401
ENG06816QF
TO
CD SERVO
CIRCUIT
(CN7002) ON
SCHEMATIC
DIAGRAM-1
: AUX SIGNAL LINE
: MAIN SIGNAL LINE
: MAIN SIGNAL LINE
CD OPEN/CLOSE
CIRCUIT
SA - PM23P/PC MAIN CIRCUIT
1
/
3
SA-PM23P / SA-PM23PC
61
1
2
7
8
3
6
4
5
1
2
31
32
3
30
4
29
5
28
6
27
7
26
8
25
9
24
10
23
11
22
12
21
13
20
14
19
15
18
16
17
1
2
3
4
5
6
7
8
9
10
11
12
1 6
3
4
7
2
5
1 2 3 4
15 14 13 12 11 10
2
4
6
8
9
7
5
3
1
C465
47P
C447
25V47
TUNER_LCH
TUNER_RCH
R206
15K
C205
220P
C405
220P
R406
15K
R201
5.6K
R203
2.7K
CD_LCH
CD_RCH
R401
5.6K
R403
2.7K
R202
5.6K
C201
220P
C401
220P
R402
5.6K
PB_LOUT
PB_ROUT
AUX_LCH
AUX_RCH
R204
6.6K
C203
220P
C403
220P
R404
6.6K
REC_LIN
REC_RIN
ASP_CLK
ASP_DATA
A9V
MUTEA
AGND
R209
18K
R409
18K
C950
50V4.7
C918
50V4.7
R210
1K
C209
1000P
C409
1000P
R410
1K
C902 50V2.2
C440 0.015
C449 0.015
C433 50V1
C233 50V1
C448 50V0.33
C463 16V100
R441
33
R495
5.6K
C497
1500P
R485
8.2K
R491
6.8K
C493
0.068
R492
3.9K
R295
5.6K
C297
1500P
R285
8.2K
R251
820
C254
50V0.22
R451
820
C454
50V0.22
R291
6.8K
C293
0.068
R292
3.9K
R753
10
R221
12K
W777
0
R222
68K
R421
12K
C422
100P
C423
100P
C222
100P
C220
50V1
C420
50V1
C424
6.3V47
C224
6.3V47
R223
47
C225
0.01
R226
3.9K
R227
3.9K
R426
3.9K
R427
3.9K
C425
0.01
R225
47
R423
47
R425
47
R220 100K
C221 330P
R420 100K
C421 330P
C752 0.01
C751 6.3V47
R224 1K
C754 16V220
R424 1K
C753 0.01
R756 4.7K
R755 4.7K
C223
100P
R422
68K
R443
22K
C441 0.015
C442 0.015
R444
22K
C443 0.1
C444 0.082
R442
5.6K
C445 0.1
C446 0.082
R445
5.6K
C461
0.12
C462
0.12
C456
0.12
C455
0.12
R447
8.2K
R446
8.2K
C904 50V2.2
C906 50V2.2
C907 50V2.2
C903 50V2.2
R205
4.7K
R207
4.7K
R211
8.2K
C210
220P WA06
0
WA05
0
WA07
0
C410
220P
R411
8.2K
C900 50V2.2
C901 50V2.2
C905 50V2.2
C464
47P
C781
0.1
RMBV0043
(REF NO.26)
R751 1K
R752 2.2K
C750 50V1
D750
B0ACCK000005
D751
B0ACCK000005
R750
4.7K
Q750
B1GDCFGG0026
SWITCH
Q803
B1GBCFJJ0044
MUTING SWITCH
Q751
B1GBCFJJ0044
SWITCH
Q221, Q222, Q421, Q422
B1ABGC000001
AMPLIFIER
Q221
Q222
Q421
Q422
D5V
AUX_RCH
TNR GND
AUX_LCH
AGND
RMT
VOL_JOG1
VOL_JOG2
VREF+
KEY1
KEY2
VREF-
FL_CS
FL_DA
TA
CL_CLK
REC1
REC2
MNF1
MOUT1
MNF2
MOUT2
BNF1
BOUT1
BNF2
BOUT2
LEFT
RIGHT
CAP
VCC
S1
SC
VIN1
SEL1OUT
VIN2
SEL2OUT
A1
A2
B1
B2
C1
C2
D1
D2
E1
E2
FILTER
GND
+B
GND
IC700
C0ABBB000297
OP-AMP
IC300
AN17831A
POWER AMP IC
IC800
C1BB00000732
ASP IC
R410
1K
IC800
Q750
IC700
IC300
CN802
R430
100K
R230
100K
C230
0.01
HEADPHONE JACK
TO SPEAKERS
C430
0.01
JK900
JK501
L+
L-
R+
R-
Q803
Q751
VCC
OUT_R+
OUT_GND
OUT_R-
STBY
IN_R
IN_GND
IN_L
MUTE
OUT_L-
OUT_GND
OUT_L+
FP352
K5G502A00039
C374
50V10
C373
470P
C351
470P
C372
1000P
C352
1000P
R456
56K
R380
2.2K
R256
56K
VCC
VREF-
PCONT2
R586
47K
C586
16V470
R381
47K
C368
16V22
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
OUTPUT_GND
AGND
AGND
AGND
AGND
AGND
OUTPUT
_GND
OUTPUT
_GND
OUTPUT
_GND
OUTPUT
_GND
OUTPUT
_GND
AGND
VREF-
AGND AGND
AGND
W
A
04 0
SCHEMATIC DIAGRAM - 3
MAIN/POWER CIRCUIT
: +B SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: -B SIGNAL LINE
: CD SIGNAL LINE
: TUNER SIGNAL LINE
: AUX SIGNAL LINE
: MAIN SIGNAL LINE
: MAIN SIGNAL LINE
: TAPE RECORDING SIGNAL LINE
TO
PANEL CIRCUIT (CN901)
ON SCHEMATIC DIAGRAM-5
SA - PM23P/PC MAIN CIRCUIT
2
/
3
SA-PM23P / SA-PM23PC
62
2
4
6
8 7
5
3
1
C515
0.01
R518
1K
Q505
B1AAJC000019
REGULATOR
C542
25V10
D508
B0BC5R60003
C514
0.01
R520
470
Q507
B1AAJC000019
REGULATOR
C540
16V22
D506
B0BC8R100004
Q530
2SD0592ARA
REGULATOR
MOT
OR_9V
A9V
TUNER_9V
CD_7.5V
D5V
C541
16V22
R515
1.5K
R517
470
R514
2.2K
R516
390
R511
120
R510
120
C502
25V10
C521
0.01
R504
220
D502
C522
0.01
C512
0.1
D501
D501, D502, D504, D505
D0EAMM000038
C523
0.01
D504
C524
0.01
D505
C510
25V10
C507
0.01
VCC
SYS6V
R505
100K
C501
25V6800
D527
D525, D526, D528
B0EAKM000117
D526
D525
R507 1
R501 1
R502 1
R503 1
Q501, Q504
B1AACF000063
SWITCH
Q503
B1BCCG000002
STABILIZER
Q500
B1GCCFGA0006
CURRENT LIMITING
Q503
Q501
Q504
Q500
AMP_VCC1
REG_GND
AMP_VCC2
AMP_VCC2
AMP_VCC1
MOT
OR_9V
PCONT_1
SYS6V
GND1
GND2
HAL
T
P_GND
9VGND
CD_DGND
VREF-
MOT
OR_GND
TNR_GND
AGND
GND1
GND2
REG_GND
OUT_GND
W505
SCHEMATIC DIAGRAM - 4
TO
TRANSFORMER CIRCUIT
(CN505B) ON SCHEMATIC
DIAGRAM-5
MAIN/POWER CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL
3
/
3
SA - PM23P/PC MAIN CIRCUIT
SA-PM23P / SA-PM23PC
63
SA-PM23P / SA-PM23PC
64
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