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Model
SA-PM38EG SA-PM38EF SA-PM38EB SA-PM38EP SA-PM48EG
Pages
17
Size
1.36 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
Audio / CD STEREO SYSTEM
File
sa-pm38eg-sa-pm38ef-sa-pm38eb-sa-pm38ep-sa-pm48eg.pdf
Date

Panasonic SA-PM38EG / SA-PM38EF / SA-PM38EB / SA-PM38EP / SA-PM48EG Service Manual / Supplement ▷ View online

9
2.3.
PANEL CIRCUIT and HEADPHONE CIRCUIT (SA-PM38EG/EF/EB/EP-K) 
With reference to original service manual (section 19.6) on page 71 for Model No. SA-PM38EG/EF/EB/EP-K.
C
C
 PANEL CIRCUIT
D
 HEADPHONE CIRCUIT
SCHEMATIC DIAGRAM - 6
SA-PM38EB/EG/EF/EP
 PANEL / HEADPHONE
 CIRCUIT
11
B
TO
MAIN CIRCUIT
(CN901)
IN SCHEMATIC
DIAGRAM - 5
TO
TRANSFORMER
CIRCUIT (CN5902)
IN SCHEMATIC
DIAGRAM - 9
B
TO
MAIN CIRCUIT 
(CN902)
IN SCHEMATIC
DIAGRAM - 5
1
: +B SIGNAL LINE
: -B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
F
H
G
C
100P
C906
FL1
R918
1.2
FL2
L950
L950 - L952
J0JBC0000019
100K
R950
L951
L952
2
3
1
5
4
CN950
HEADPHONE
0.01
C950
GND2
-VP
FL_CS
FL_CLK
KEY1
VOL_JOG1
6
8
9
7
2
1
4
5
3
10
11
CN900
RMT
FL_DATA
D3.3V
KEY2
SYS3.3V
1
7
6
4
2
3
5
JK950
100K
R951
0.01
C951
R930
12K
R931
22K
10K
R932
10K
R928
10K
R929
16V10
C908
VOL_JOG1
SYS3.3V
1
3
2
Z900
B3RAC0000017
REMOTE CONTROL SENSOR
RMT
35V22
C902
GND2
2
1
4
3
CN905
100P
C907
EVEKE2F2524B
VOLUME JOG
VR900
GND2
D3.3V
FL_CLK
G0C3R3JA0027
L900
R927
100K
1K
R923
FL_DATA
1K
R924
C903
0.1
C911
220P
C912
220P
GND2
C905 0.1
FL_CS
R925
1K
R926 100K
C909
35V22
C913
220P
D901
B0BC6R8A0266
68
R922
35V22
C900
FL1
16V22
C910
C901
35V22
68
R921
-VP
GND2
FL2
43
5
6
1
2
8
37
36
38
32
31
34
33
27
28
25
26
30
29
35
40
39
13
12
11
15
16
14
9
10
23
24
18
19
17
21
22
20
7
44
FL900
A2BB00000166
FL DISPLAY
S907
S908
1.2K
R908
S900
S901
1.2K
R901
2.2K
R903
4.7K
R905
3.3K
R904
5.6K
R906
S904
S903
S906
1.5K
R902
S902
SEG7
SEG7
SEG5
SEG4
SEG6
SEG6
SEG3
SEG9
SEG9
SEG8
SEG8
SEG13
SEG13
SEG16
SEG16
SEG14
SEG14
SEG15
SEG15
SEG11
SEG11
SEG10
SEG10
SEG12
SEG12
21
5
6
3
1
2
4
19
9
7
8
16
17
11
10
12
15 14 13
18
20
35
37
42
44
43
39
38
41
40
36
33
22
31
29
27
24
23
26
25
28
30
32
34
IC900
C0HBB0000057
S909
3.3K
R911
S910
S911
2.2K
R910
SEG2
SEG1
SEG17
GRID11
GRID11
GRID9
GRID9
GRID8
GRID10
GRID10
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
1.5K
R909
CD PLAY/PAUSE
STOP/-DEMO
POWER
GRID6
GRID5
[33] GRID10
GRID9
SEG5
[23] SEG7
SEG6
SEG1
-VP
SEG2
SEG3
[32] GRID11
[1] NC
SEG17
SEG17
SEG4
SEG5
SEG1
SEG2
SEG3
SEG4
GRID7
GRID8
FM/AM
FWD
USB
BASS/TREBLE
iPod
D.BASS
SEG11
SEG12
SEG13
[22] SEG8
[12] VSS
SEG9
SEG10
GRID2
CD EJECT
SEG14
SEG15
GRID3
FL DRIVER
GRID4
REW
HP_L
HP_R
AGND
HP_SW
TAPE_EJECT
FL2
FL1
KEY2
3.3V
NC
VOL_JOG1
VREF-
VREF-
FL_DATA
RMT
FL_CS
-VP
GND2
FL_CLK
KEY1
VREF+
VDD
SEG16
NC
NC
FL_CLK
FL_CS
FLDATA
GRID1
GRID6
GRID5
GRID7
GRID8
GRID2
GRID3
GRID4
GRID1
NC
VSS
VDD
DOUT
OSC
NC
NC
1 2 3
DELETE
(L901,SHORT
 CONNECTION)
10
2.4.
PANEL CIRCUIT and HEADPHONE CIRCUIT (SA-PM48EG-K)
With reference to original service manual (section 21.6) on page 95 for Model No. SA-PM48EG-K.
C
C
 PANEL CIRCUIT
D
 HEADPHONE CIRCUIT
SCHEMATIC DIAGRAM - 6
SA-PM48EG PANEL / HEADPHONE / DECK MECHANISM
 CIRCUIT
F
 DECK MECHANISM CIRCUIT
B
TO
MAIN CIRCUIT 
(CN361)
IN SCHEMATIC
DIAGRAM - 3
1
10
11
B
TO
MAIN CIRCUIT
(CN901)
IN SCHEMATIC
DIAGRAM - 5
J
TO
TRANSFORMER
CIRCUIT (CN5902)
IN SCHEMATIC
DIAGRAM - 10
B
TO
MAIN CIRCUIT 
(CN902)
IN SCHEMATIC
DIAGRAM - 5
1
: +B SIGNAL LINE
: -B SIGNAL LINE
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
F
H
G
C
100P
C906
FL1
R918
1.2
FL2
L950
L950 - L952
J0JBC0000019
100K
R950
L951
L952
2
3
1
5
4
CN950
HEADPHONE
0.01
C950
GND2
-VP
FL_CS
FL_CLK
KEY1
VOL_JOG1
6
8
9
7
2
1
4
5
3
10
11
CN900
RMT
FL_DATA
D3.3V
KEY2
SYS3.3V
1
7
6
4
2
3
5
JK950
S936
100K
R951
0.01
C951
R930
12K
R931
22K
10K
R932
10K
R928
10K
R929
16V10
C908
VOL_JOG1
SYS3.3V
1
3
2
Z900
B3RAC0000017
REMOTE CONTROL SENSOR
RMT
35V22
C902
GND2
2
1
4
3
CN905
100P
C907
EVEKE2F2524B
VOLUME JOG
VR900
GND2
D3.3V
FL_CLK
G0C3R3JA0027
L900
R927
100K
1K
R923
FL_DATA
1K
R924
C903
0.1
C911
220P
C912
220P
GND2
C905 0.1
FL_CS
R925
1K
R926 100K
C909
35V22
C913
220P
D901
B0BC6R8A0266
68
R922
35V22
C900
FL1
16V22
C910
C901
35V22
68
R921
-VP
GND2
FL2
5
6
1
2
8
37
36
38
32
31
34
33
27
28
25
26
30
29
35
39
13
12
11
15
16
14
9
10
23
24
18
19
17
21
22
20
7
FL900
A2BB00000166
FL DISPLAY
S907
S908
1.2K
R908
S900
S901
1.2K
R901
2.2K
R903
4.7K
R905
3.3K
R904
5.6K
R906
S904
S903
S905
S906
1.5K
R902
S902
SEG7
SEG7
SEG5
SEG4
SEG6
SEG6
SEG3
SEG9
SEG9
SEG8
SEG8
SEG13
SEG13
SEG16
SEG16
SEG14
SEG14
SEG15
SEG15
SEG11
SEG11
SEG10
SEG10
SEG12
SEG12
21
5
6
3
1
2
4
19
9
7
8
16
17
11
10
12
15 14 13
18
20
35
37
42
44
43
39
38
41
40
36
33
22
31
29
27
24
23
26
25
28
30
32
34
IC900
C0HBB0000057
S909
4.7K
R912
S912
3.3K
R911
S910
S911
2.2K
R910
SEG2
SEG1
SEG17
GRID11
GRID11
GRID9
GRID9
GRID8
GRID10
GRID10
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
1.5K
R909
CD PLAY/PAUSE
STOP/-DEMO
POWER
GRID6
GRID5
FM/AM
[33] GRID10
GRID9
SEG5
[23] SEG7
SEG6
SEG1
-VP
SEG2
SEG3
[32] GRID11
[1] NC
SEG17
SEG17
SEG4
SEG5
SEG1
SEG2
SEG3
SEG4
GRID7
GRID8
TAPE
FWD
USB
BASS/TREBLE
IPOD
D.BASS
SEG11
SEG12
SEG13
[22] SEG8
[12] VSS
SEG9
SEG10
GRID2
TAPE
REC/PAUSE
CD EJECT
SEG14
SEG15
GRID3
FL DRIVER
GRID4
REW
HP_L
HP_R
AGND
HP_SW
TAPE_EJECT
TAPE EJECT
FL2
FL1
KEY2
3.3V
NC
VOL_JOG1
VREF-
VREF-
FL_DATA
RMT
FL_CS
-VP
GND2
FL_CLK
KEY1
VREF+
VDD
SEG16
NC
NC
FL_CLK
FL_CS
FLDATA
GRID1
GRID6
GRID5
GRID7
GRID8
GRID2
GRID3
GRID4
GRID1
NC
VSS
VDD
DOUT
OSC
NC
NC
R952
PHOTO INTERUPTOR
820
CN1304
D951
MA2C16500E
R953 39K
S952
S951
CNB13030R2AU
IC971
VREF+
PHOTO
VREF-
PL GND
REC SW
PL
MODE AN6
HALF AN7
REVERSE REC INH
NC
HALF
MODE
REC SW
6
8
9
7
2
1
4
5
3
10
3
4
1
2
S953
1 2 3
DELETE
(L901,SHORT
 CONNECTION)
11
2.5.
TRANSFORMER CIRCUIT (SA-PM38EG/EF/EB/EP-K) 
With reference to original service manual (section 19.9) on page 74 for Model No. SA-PM38EG/EF/EB/EP-K.
 TRANSFORMER CIRCUIT
SCHEMATIC DIAGRAM - 9
SA-PM38EB/EG/EF/EP
 TRANSFORMER CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
F
H
G
C
R5910
82
R5911 1.8K
C5916
0.1
D5924
B0EAKM000117
B0EAKM000117
D5922
PCONT SWITCH
B0EAKM000117
D5921
22
R5915
B0EAKM000117
D5919
B0EAKM000117
D5923
16V1000
C5917
C5919
0.1
C5918
16V220
C5925
25V47
0.01
C5924
B1BABG000007
Q5907
0.1
C5910
25V1000
C5939
25V1000
C5909
-VP
100K
R5902
Q5901
0.01
VOLTAGE REGULATOR
VOLTAGE REGULATOR
VOLTAGE REGULATOR
VOLTAGE REGULATOR
C5912
2.2K
R5901
16V10
C5911
B1ABCF000176
Q5902
820
R5903
C5923
0.01
10K
R5908
1K
R5912
10K
R5909
4
5
1
3
2
7
6
CN5903
B1GBCFJJ0051
Q5904
C5922
0.01
C5920
0.1
820
R5904
3
1
2
4
5
IC5901
C0DBGYY00089
C5914
0.1
C5913 16V220
16V10
C5921
B0EAMM000038
D5901
0.1
C5928
B0EAMM000038
D5902
B0EAMM000038
D5903
B0EAMM000038
D5904
2
1
4
3
CN5901
C5901
35V3300
-VP
FL2
FL1
2
1
4
3
CN5902
0.1
C5902
B0EAKM000117
D5914
3
2
4
1
L5901
ELF15N035AN
Z5901
ERZVA5Z471
50V47
C5908
47K
R5907
SUB TRANSFORMER
4
3
1
2
K6B1AEA00003
RL5901
B1GBCFGN0016
Q5905
7
3
2
9
T5902
G4C2AAJ00005
B0BC02900004
D5915
12
R5905
VOLTAGE REGULATOR
B0EAKM000117
D5913
C5905
50V22
9
11
12
10
7
6
8
3
1
2
5
4
13
T5901
G4CYBYY00022
C5906 50V22
D5906
B0EAKM000117
B0EAKM000117
D5905
D5910
B0EAKM000117
D5909
B0EAKM000117
0.1
C5929
FL1
FL2
B0EAKM000117
D5908
D5907
B0EAKM000117
D5912
B0EAKM000117
B0EAKM000117
D5911
R5906
3.3K
0.01
C5907
2SB0621AHA
Q5903
B1BCCG000023
-VP
FL1
FL2
-VP(GND)
VCC
VCC
GND
GND
FL
S1
MAIN TRANSFORMER
-VP
S2
NBP
VOLTAGE REGULATOR
CRTL
OUT
IN
GND
PCONT
HALT
VCC
M+9V
M_GND
SYS3.3V
SYS_GND
220/100V
230/240V
6
TO
POWER CIRCUIT
(CN5101)
IN SCHEMATIC
DIAGRAM - 8
C
TO
PANEL CIRCUIT
(CN905)
IN SCHEMATIC
DIAGRAM - 6
B
TO
MAIN CIRCUIT
(CN600)
IN SCHEMATIC
DIAGRAM - 5
JK5901
FC5901
RED
BLACK
FC5902
F5901
T1AL 250V
AC IN
220-240V
50HZ
TL
13
TL
12
TL
11
TL
10
TL
9
TL
8
TL
7
TL
5
TL
1
D5917
MA2J1110GL
D5918
MAZ8091GML
D5920
MA2J1110GL
CHANGE
MAZ8068GML
B0BC6R8A0266
D5927
D5925
MA2J1110GL
12
2.6.
TRANSFORMER CIRCUIT (SA-PM48EG-K) 
With reference to original service manual (section 21.10) on page 99 for Model No. SA-PM48EG-K.
J
J
 TRANSFORMER CIRCUIT
SCHEMATIC DIAGRAM - 10
SA-PM48EG TRANSFORMER CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
F
H
G
C
R5910
82
R5911 1.8K
C5916
0.1
D5924
B0EAKM000117
B0EAKM000117
D5922
PCONT SWITCH
B0EAKM000117
D5921
22
R5915
B0EAKM000117
D5919
B0EAKM000117
D5923
16V1000
C5917
C5919
0.1
C5918
16V220
C5925
25V47
0.01
C5924
B1BABG000007
Q5907
0.1
C5910
25V1000
C5939
25V1000
C5909
-VP
100K
R5902
Q5901
0.01
VOLTAGE REGULATOR
VOLTAGE REGULATOR
C5912
2.2K
R5901
16V10
C5911
B1ABCF000176
Q5902
820
R5903
C5923
0.01
10K
R5908
1K
R5912
10K
R5909
4
5
1
3
2
7
6
CN5903
B1GBCFJJ0051
Q5904
C5922
0.01
C5920
0.1
820
R5904
3
1
2
4
5
IC5901
C0DBGYY00089
C5914
0.1
C5913 16V220
16V10
C5921
B0EAMM000038
D5901
0.1
C5928
B0EAMM000038
D5902
B0EAMM000038
D5903
B0EAMM000038
D5904
2
1
4
3
CN5901
C5901
35V3300
-VP
FL2
FL1
2
1
4
3
CN5902
0.1
C5902
B0EAKM000117
D5914
JK5901
FC5901
RED
BLACK
FC5902
3
2
4
1
L5901
ELF15N035AN
Z5901
ERZVA5Z471
50V47
C5908
47K
R5907
SUB TRANSFORMER
4
3
1
2
K6B1AEA00003
RL5901
B1GBCFGN0016
Q5905
7
3
2
9
T5902
G4C2AAJ00005
B0BC02900004
D5915
12
R5905
VOLTAGE REGULATOR
B0EAKM000117
D5913
C5905
50V22
9
11
12
10
7
6
8
3
1
2
5
4
13
T5901
G4CYBYY00022
C5906 50V22
D5906
B0EAKM000117
B0EAKM000117
D5905
D5910
B0EAKM000117
D5909
B0EAKM000117
0.1
C5929
FL1
FL2
B0EAKM000117
D5908
D5907
B0EAKM000117
D5912
B0EAKM000117
B0EAKM000117
D5911
R5906
3.3K
0.01
C5907
2SB0621AHA
Q5903
B1BCCG000023
-VP
FL1
FL2
-VP(GND)
VCC
VCC
GND
GND
FL
S1
MAIN TRANSFORMER
-VP
S2
NBP
VOLTAGE REGULATOR
CRTL
OUT
IN
GND
PCONT
HALT
VCC
M+9V
M_GND
SYS3.3V
SYS_GND
220/100V
230/240V
F5901
T1AL 250V
6
AC IN
I
TO
POWER CIRCUIT
(CN5101)
IN SCHEMATIC
DIAGRAM - 9
C
TO
PANEL CIRCUIT
(CN905)
IN SCHEMATIC
DIAGRAM - 6
B
TO
MAIN CIRCUIT
(CN600)
IN SCHEMATIC
DIAGRAM - 5
220-240V
50HZ
VOLTAGE REGULATOR
VOLTAGE REGULATOR
TL
13
TL
12
TL
11
TL
10
TL
9
TL
8
TL
7
TL
5
TL
1
D5925
MA2J1110GL
CHANGE
MAZ8068GML
B0BC6R8A0266
D5927
D5920
MA2J1110GL
D5918
MAZ8091GML
D5917
MA2J1110GL
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