DOWNLOAD Panasonic SA-PM38EG / SA-PM38EF / SA-PM38EB / SA-PM38EP / SC-PM38EP Service Manual ↓ Size: 5.35 MB | Pages: 91 in PDF or view online for FREE

Model
SA-PM38EG SA-PM38EF SA-PM38EB SA-PM38EP SC-PM38EP
Pages
91
Size
5.35 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / CD STEREO SYSTEM
File
sa-pm38eg-sa-pm38ef-sa-pm38eb-sa-pm38ep-sc-pm38ep.pdf
Date
PREV: Panasonic SA-PM38EG / SA-PM38EF / SA-PM38EB / SA-PM38EP / SA-PM48EG Service Manual / Supplement

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

69
19.4. MAIN CIRCUIT (3/4)
B
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 4
 SA-PM38EB/EG/EF/EP MAIN
 CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (4/4)
TO MAIN
SECTION (1/4)
P1
P1
A
TO
CD SERVO
CIRCUIT (CN7002)
IN SCHEMATIC
DIAGRAM - 1
1
22
TO
USB CIRCUIT 
(P901)
IN SCHEMATIC
DIAGRAM - 7
22
1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: FM SIGNAL LINE
: iPod AUDIO INPUT SIGNAL LINE
: USB SIGNAL LINE
F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I
J
L
M
N
P
O
K
18
R744
R762
1K
R763
1K
R724
18
MUTE_HP
UNR211100L
Q762
VREF+
HP_R
MUTING CONTROL
2
3
1
5
4
6
B1GFGCAA0001
Q761
HP_L
MUTING
R764
6.8K
1K
R751
C750
0.01
C743
10
1K
R750
R272
0
C271
6800P
R742
68K
R722
68K
100P
C722
3.9K
R470
C752
16V100
3.9K
R270
18
R743
18
R723
C745
0.01
C725
0.01
5.6K
R273
5.6K
R473
0
R472
C471
6800P
IN_R
10
C723
IN_L
10K
R721
R720
15K
1
C720
1
C740
10K
R741
R740
15K
100P
C724
100P
C742
100P
C744
6
7
5
2
4
3
8
1
IC700
C0AABB000125
K470
0
A9V
C371
1000P
C370
1000P
470
R371
R370
470
1K
R372
CD_MLD
CD_MDATA
CD_MCLK
BLKCK
STAT
L371
J0JKB0000020
C372 1000P
D3.3V
AGND
CD_RCH
CD_LCH
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
CN380
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
CN370
R380
4.7K
UNR211100L
QR376
4.7K
R382
R381
4.7K
QR375
UNR521400L
470
R385
470
R386
USB5V
B1BCCD000019
Q375
USB_SDA
C385
16V10
DGND
100
R383
REST_SW
DGND
LOADING
USB_RST
CD7.5V
CD_OPEN_SW
USB_SCL
PGND
MMOD
D3.3V
VERR
TERR
USB_IRQ
3.3K
R376
CD_RST
100
R375
AGND
L-OUT
R-OUT
GND
+B
OP-AMP
(HEADPHONE)
CD_R
ST_CLK
CD_L
ST_IN
CD_AGND
CD_3.3V
CD_MLD
CD_MCLK
TX (NC)
CD_MDATA
ST_REQ
USB5V
DGND
DGND
DGND
CD_DATA
CD_CLK
DGND
MMOD
D3.3V
TERR
STIN
CD_MLD
STREQ
USB_RST
STCLK
VERR
USB_IRQ
DGND
CD_RST
USB_SCL
USB_SDA
CD_STAT
PGND
STAT
CD_3.3V
BLKCK
CD_DGND
CD_RST
LD_SW/CLDCK
CD_UNLOAD
LOADING
REST_SW
CD_7.5V
SWITCH
SWITCH
SWITCH
L470
J0JBC0000019
70
19.5. MAIN CIRCUIT (4/4)
B
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 5
 SA-PM38EB/EG/EF/EP MAIN
 CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (3/4)
TO MAIN
SECTION (2/4)
P1
P1
1
C
TO
PANEL CIRCUIT
(CN900)
IN SCHEMATIC
DIAGRAM - 6
TO
TRANSFORMER
CIRCUIT (CN5903)
IN SCHEMATIC
DIAGRAM - 9
TO
POWER CIRCUIT 
(CN5102)
IN SCHEMATIC
DIAGRAM - 8
D
TO
HEADPHONE
CIRCUIT (CN950)
IN SCHEMATIC
DIAGRAM - 6
11
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: FM SIGNAL LINE
: iPod AUDIO INPUT SIGNAL LINE
: USB SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
I
J
L
M
N
P
O
K
R837
1K
R842
4.7K
R840
10K
15K
R848
HP_SW
HP_L
HP_R
TAPE_EJECT
2
3
1
5
4
CN902
FL_DATA
FL_CLK
FL_CS
VOL_JOG1
D3.3V
KEY1
RMT
KEY2
VREF-
6
8
9
7
2
1
4
5
3
10
11
CN901
SYS3.3V
CD_OPEN_SW
REST_SW
HALT
AGND
IN_L
AMP_MUTE
DC_DET
PCONT2
IN_R
2
4
3
1
6
5
CN200
L801
G0C3R3JA0027
L800
G0C3R3JA0027
R836
100
R828
100
47K
R830
10K
R847
USB_SCL
USB_SDA
STAT
TU_SDA
TU_STEREO
LOADING
R835
100
R846
100
R845
100
R826
1K
R832
100
6.3V1000
C806
VCC
M9V
4
5
1
3
2
7
6
CN600
10K
R859
R839
10K
100
R889
CD_RST
UART_IN
UART_OUT
DECK_MTR
REC_H
VREF-
DECK_PL
PHOTO
C862
470P
IPOD_DET
R862 10K
470P
C863
IPOD_5V
IPOD_ACC3.3
R854
100
R855
100
220
220
R852
100
R861
R860
R866
15K
R865
10K
R856
12K
TU_CLK
TU_TUNED
IPOD_PCONT
4.7K
R864
4.7K
R863
R857
100
ASP_CLK
ASP_DATA
D851
MA2J11100L
470K
R853
R858
100
16V10
C851
VREF-
100P
C808
50V1
C809
R881
10K
Q802
B1GBCFJN0009
HP_SW
R805
4.7K
0.01
C810
MA2J11100L
RESET
D800
50V1
C811
47K
R806
2
4
3
1
6
5
CN800
FOR
SOFTWARE
FL_CLK
10K
R811
FL_DATA
100
R808
100
R809
R802 220K
X801
X801
H4Z8004AA001
X802
X802
H0A327200097
100
R812
100
R807
C802
0.1
MUTE_HP
FL_CS
PCONT2
4.7K
R813
22P
C814
22P
C804
18P
C801
18P
C803
R815
100
VERR
USB_IRQ
TAPE_EJECT
MMOD
TERR
RMT
USB_RST
R884 15K
R888 1.8K
C882
4700P
C876
560P
C877
560P
C881
220P
A9V
VDD
R883 47K
C883
10V100
KEY1
KEY2
10K
R885
4.7K
470
R876
R878
VREF+
1K
R891
VOL_JOG1
AMP_MUTE
DC_DET
4.7K
R810
0.1
C878
220P
C812
220P
C815
220P
C813
100P
C826
100
R804
100P
C800
BLKCK
PCONT1
HALT
VREF-
GND
SYS3.3V
R890
10K
CD_MCLK
CD_MLD
CD_MDATA
D827
MA2J11100L
D826
MA2J11100L
79
77
76
78
49
47
48
50
74
71
72
67
68
56 55
58 57
52 51
54 53
65
66
61
62
59
60
64 63
70 69
73
75
10
8
7
9
12
11
99
100
95
94
96
97
90
91
89
93
92
98
4
6
5
2
1
3
81
82
80
86
87
88
84
83
85
45
19
17
15
14
16
18
43
23
21
20
22
41
24
39
37
33
35
34
29
30
27
26
28
32
31
36
38
25
40
42
44
13
46
IC800
RFKWMPM48EG
HP_L
HP_R
AGND
NC
3.3V
KEY1
RMT
HP_SW
TAPE_EJECT
VOL_JOG1
KEY2
FL_CS
FL_CLK
FL_DATA
STBY3.3V
VREF-
IN1_R
DC_DET
STBY
AMP_MUTE
AGND
IN2_L
PCONT
HALT
VCC
M+9V
M_GND
SYS3.3V
SYS_GND
[75] DAB_MODE
RDS_CLK
RDS_DATA
[74] D_MPUCLK/RDS_CLK
VSS
OCD_SDA
STBY_3.3V
MMOD
OCD_SCL
MICONRST
VSS
OCD_SDA
VDD
OCD_SCL
MICONRST
VSS
OCD_SDA
OCD_SCL
MICONRST
CD_MLD
NC
1.8V
NC
NC
VSS
CD_RST
TU_SDA
OPEN_H
USB_SCL
RMT
VSS
STAT
BLKCK
NC
[26] HALT
CD_MCLK
NC
NC
NC
NC
AMP_MUTE
VDD
FAN_SW
DMT
[72] DAB_RX
DAB_PCONT
DAB_TU_SDA
DAB_TU_RST
DAB_TU_SCL
UART_IN
[73] DAB_TX/RDS_DATA
PL_H
REC_H
UART_OUT
PHOTO
MOTOR_H
NC
CLOSE_L
VSS
NC
NC
NC
NC
IPOD_PDET
ASP_CLK
CRTIMER
IPOD_DET
IPOD_ACC3.3
DEMO_SETTING
REST_SW
CD_OPEN_SW
[52] TU_TUNED
[51] TU_CLK
TU_STEREO
[53] MODEL SELECT
MODEL_SELECT
IPOD_PCONT
DAB_RST
ASP_DATA
NC
VERR
USB_RST
NC
VREF+
REGION
VOL_JOG
NRST
3.3V
OSC1(8MHz)
TAPE_EJECT
OSC2(8MHz)
MMOD
[3] FL_CS
[2] PCONT2
[1] PCONT1
MICROPROCESSOR
FL_DATA/OCD_SDA
MMOD0
TERR
HP_SW
NC
NC
VSS
XI(32kHz)
USB_IRQ
VDD1.8V
XO(32kHz)
FL_CLK/OCD_SCL
MUTE_HP
USB_SDA
GND
KEY2
KEY1
DCDET
MK-IN2
MK-IN1
[27] DAB_DDOWFIC
CD_MDATA
71
19.6. PANEL CIRCUIT and HEADPHONE CIRCUIT
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
G0C101JA0027
L901
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
4.7K
R912
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
72
19.7. USB CIRCUIT
 USB CIRCUIT
SCHEMATIC DIAGRAM - 7
 SA-PM38EB/EG/EF/EP USB
 CIRCUIT
: +B SIGNAL LINE
B
TO
MAIN CIRCUIT 
(CN380)
IN SCHEMATIC
DIAGRAM - 4
: USB SIGNAL LINE
22
1
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
L900
G1C100K00019
C904
10
0.1
C902
0.1
C905
10
C906
0.1
C901
47
C915
2.2K
R957
22K
R950
R971
1K
R972
1K
C914
0.1
C907
18P
R914
0
C908
22P
1K
R901
X900
H0A120500009
0
R904
1K
R902
15K
R955
LB951
0
C953
100
15K
R954
24
R953
R952
24
2
5
G
1
4
6
G
3
P903
USB PORT
LB952
0
10
C931
0.1
C952
R951
0
0.1
C951
C903
0.1
J0JBC0000033
LB848
J0JBC0000033
LB843
J0JBC0000033
LB845
J0JBC0000033
LB935
J0JBC0000033
LB936
J0JBC0000033
LB933
J0JBC0000033
LB934
J0JBC0000033
LB840
J0JBC0000033
LB841
J0JBC0000033
LB938
J0JBC0000033
LB846
R958 100K
R903
0
LB850
0
LB852
0
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
21
P901
0
R907
LB930
0
LB932
J0JBC0000033
0
R906
0.1
C911
0.1
C912
23
58
45
44
47
48
46
30
31
32
43
40
41
35
37
36
33
34
39
38
42
28
25
26
24
27
29
55
56
50
51
49
53
54
52
57
62
63
61
19
18
20
3
2
5
4
6
8
7
1
64
15
16
9
13
10
12
11
14
17
22
21
59
60
MNZSFB5KJM2
USB CONTROLLER
IC900
0.1
C913
D1.8V
DGND
NRST
P01
P04
P02
P03
P81/D8
P73/D5
P70/D2
P00
P66/D0
P72/D4
P71/D3
P75/D7
VSS
VDDI
VDD33
DGND
D1.8V
P82/D9
P77/NRE
I2C_CLK/WR_END
I2C_DATA/ERROR
I2C_REQ/WR_START
P85/D12
P86/D13
P83/D10
P84/D11
P40/D15
P87/D14
P67/D1
USB_CTRL
VPP
OCD_SDA
VDDI
OSCI
VSS
NRST
AVDD
VSS
VDD33
OSCO
MMOD0
USBNOC
USBNPP
USBD+
USBD-
PD6/IRQ3
CD_NRST
MMOD1
OCD_SCL
USB_POWER
D-
VOUT
VBUS
DGND
D5V
VBUS
D+
D-
D+
VSS
DGND
DGND
CTRL
D3.3V
VDDI
PA7
D1.8V
VSS
VERR
TERR
VDD5
STIN
D3.3V
DGND
CD_MLD
STREQ
P21/NCE0
STCLK
CD_DATA
CD_CLK
CD_STAT
PD4/NCE2
P91/SBIO
TERR
STREQ
CD_MLD
MMOD
DGND
D3.3V
M_NRST
CD_NRST
STIN
DGND
DGND
DGND
VERR
I2C_REQ
DGND
DGND
DGND
CD_STAT
STCLK
CD_DATA
CD_CLK
I2C_DATA
D5V
DGND
I2C_CLK
DGND
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