Panasonic SA-PM38EG / SA-PM38EF / SA-PM38EB / SA-PM38EP / SC-PM38EP Service Manual ▷ View online
65
18 Schematic Diagram Notes
(All schematic diagrams may be modified at any time with
the development of new technology)
Notes:
the development of new technology)
Notes:
• “ * ” REF IS FOR INDICATION ONLY.
• Importance safety notice :
• Importance safety notice :
Components identified by ( ) mark have special characteris-
tics important for safety.
Furthermore, special parts which have purposes of fire-retar-
dant (resistors), high-quality sound (capacitors), low-noise
(resistors), etc. are used.
When replacing any of components, be sure to use only
manufacturer's specified parts shown in the parts list.
tics important for safety.
Furthermore, special parts which have purposes of fire-retar-
dant (resistors), high-quality sound (capacitors), low-noise
(resistors), etc. are used.
When replacing any of components, be sure to use only
manufacturer's specified parts shown in the parts list.
• Capacitor values are in microfarad(
μF) unless specified oth-
erwise, F=Farad, pF=Pico-Farad
Resistance values are in ohm(
Resistance values are in ohm(
Ω), unless specified other-
wise, 1K=1,000
Ω, 1M=1,000KΩ
• Voltage and Signal lines:
S900:
STOP/-DEMO switch ( / -DEMO).
S901:
CD PLAY/PAUSE switch (CD / ).
S902:
USB switch (USB / ).
S903:
FM/AM switch.
S904:
iPod switch (iPod / ).
S906:
CD EJECT switch (OPEN/CLOSE ).
S907:
POWER switch (
).
S908:
REW switch (
).
S909:
FWD switch (
).
S910:
BASS/TREBLE switch.
S911:
D.BASS switch.
S7201:
REST switch.
S7202:
CD OPEN switch.
VR900:
Volume jog.
: +B Signal Line
: -B Signal Line
: CD Audio Input Signal Line
: iPod Audio Input Signal Line
: Audio Output Signal Line
: FM Signal Line
: USB Signal Line
66
19 Schematic Diagram
19.1. CD SERVO CIRCUIT
A
A
CD SERVO CIRCUIT
SCHEMATIC DIAGRAM - 1
SA-PM38EB/EG/EF/EP CD SERVO
CIRCUIT
B
TO
MAIN CIRCUIT
(CN370)
IN SCHEMATIC
DIAGRAM - 4
MAIN CIRCUIT
(CN370)
IN SCHEMATIC
DIAGRAM - 4
: CD AUDIO INPUT 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
C7223
50V4.7
50V4.7
50V1
C7227
MAZ80560ML
D7650
50V1
C7228
1K
R7217
C7218
0.082
820
R7212
C7217
0.1
C7225
1000P
R7218
1K
C7226
1000P
100
R7221
C7230
0.1
C7231
6.3V220
82K
R7211
0.1
C7263
LB7262
0
0
0
LB7264
LB7263
C7241
1000P
C7216
680P
C7244
0.015
C7102
0.47
0.1
C7204
6.3V10
C7235
C7161
0.1
C7234
0.1
C7203
6.3V220
C7315
0.47
88
C7339
0.018
10K
R7328
3.3K
R7315
R7330
5.6K
10K
R7111
C7142
3300P
C7221
15P
C7222
15P
10
C7164
10
C7165
C7232
6.3V220
1K
R7254
470P
C7253
C7166
0.01
0.1
C7233
10
R7253
R7214
470
1M
R7220
H0H169500013
X7201
S7202
CD OPEN
0.1
C7243
6
5
8
9
11
12
10
18
15
17
16
20
19
13
14
7
2
1
4
3
22
22
1
21
CN7002
S7201
REST
0.022
C7107
C7155
0.1
0.1
C7154
C7264
0.1
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
MN6627954AMA
IC7001
C7601
6.3V33
4.7
R7601
C7614
6.3V100
C7670
0.1
C7626
0.1
B1ADCF000001
Q7601
5.6
R7650
LASER POWER DRIVE
+
M7302*
SPINDLE MOTOR
4CH DRIVER
39
+
M7301*
TRAVERSE MOTOR
C7334
10V220
C7335
0.1
C7613
0.1
6
5
8
9
10
12
11
7
2
1
4
3
14
13
16
15
CN7001
TO
OPTICAL
PICKUP UNIT
28 (VREF)
100
R7335
10
R7336
1K
R7332
27K
R7331
6.8K
R7323
330
R7325
1K
R7327
18K
R7349
1K
R7329
C7352
0.018
C7338
0.027
1K
R7339
GND1
19
18
17
20
15
16
14
12
9
8
11
10
13
22
23
30
21
28
27
24
25
26
2
1
6
7
29
3
4
5
IC7002
BA5948FPE2
A. GND
LCH OUT
TX
MCLK
RST
3.3V
STAT
7.5V
MLD
LD SW
P. GND
D. GND
BLKCK
MDATA
3.3V
REST SW
LOADING
CD OPEN SW
RCH OUT
SRDATA (ST_IN)
BCLK (ST_CLK)
LRCK (ST_REQ)
[51] ARFIN
IREF
OUTR
OUTL
TX
MLD
MCLK
NRST
STAT
FLAG
PLLF
DVDD2
AVSS1
DVSS3
BLKCK
MDATA
AVDD1
PLLF0
ARFFB
[52] DSLF
[74]
SMCK
[75]
PMCK
[1]
A9
[2]
A11
[24] TRP
SERVO PROCESSOR
[25] FOP
RFIN
X2
X1
NTEST2
A
B
F
E
D
C
PD
LD
D5
D7
D8
D9
D15
D13
D11
D10
D12
D14
D6
SDRCK
DRVDD
VREF
TRVP
BA1
A0
A2
A4
A6
A8
A7
A5
A3
A1
A10
NWE
BA0
PC
NRAS
NCAS
PRAMVDD33
PRAMVDD15
PRAMVSS33
SPOUT
NTEST
D1
D3
D4
D0
D2
CENV
AVDD2
RFENV
AVSS2
IODD2
DVSS1
DVDD1
OSCIN
RFOUT
IODD1
DVSS2
DQSYTXT
ARFDC
NSRVMONON
EXT1 / LRCK (ST_REQ)
EXT2 / BCLK (ST_CLK)
EXT0 / SRDATA (ST_IN)
F
A
B
E
GND
T-
F-
F+
T+
LPD
VREF
LD GND
GND (GUARD)
GND (GUARD)
LD
VCC
ARFOUT
PVCC1
D4+
D1-
PVCC2
NC
NC
NC
NC
NC
NC
NC
IN2
NC
PC1
PC2
IN1
GND
PGND1
FO GAIN
GND
IN4
IN3
VCC
VREF
PGND2
D3+
D2-
D3-
D2+
D1+
D4-
CTRCRS
TRV GAIN
SRVMON0
SRVMON1
TP
90
TP
TP
38
TP
36
TP
37
TP
TP
50
TP
51 (ARF)
TP
24
TP
19
TP
16
TP
14
TP
18
TP
4
TP
3
TP
2
TP
1
TP
87
TP
86
TP
10
TP
11
TP
31
TP
13
TP
9
TP
8
TP
7
TP
12
TP
17
TP
89
TP
67
19.2. MAIN CIRCUIT (1/4)
B
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 2
SA-PM38EB/EG/EF/EP MAIN
CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (2/4)
SECTION (2/4)
TO MAIN
SECTION (3/4)
SECTION (3/4)
: +B SIGNAL LINE
P1
P1
: AUDIO OUTPUT SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: FM SIGNAL LINE
: iPod AUDIO INPUT SIGNAL LINE
: USB SIGNAL LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R421
8.2K
GND
GND
C300 220P
C301 220P
TUNER_LCH
TU_TUNED
TUNER_RCH
TU_STEREO
TU_SDA
0.1
C302
A9V
C312
470P
C311
16V10
R315
220
R312
220
R311
2.2K
R314
220
X310
H0D433A00007
C317
47P
C318
47P
R313
1K
C314
560P
C315 16V47
C316 16V47
L312
J0JBC0000015
L260
J0JBC0000015
L311
J0JBC0000015
C313
16V47
7
5
6
1
2
4
3
10
12
14
15
16
13
11
8
9
IC310
C1AB00002751
RDS
D3.3V
RDS_CLK
RDS_DATA
C419
0.22
C224
0.039
C424
0.039
C221
3300P
0.022
C222
0.22
C220
C223
0.022
3300P
C421
0.022
C423
0.022
C422
C219
0.22
R221
8.2K
R222
6.8K
22K
R403
TUNER_RCH
CD_LCH
220P
C207
CD_RCH
220P
C407
22K
R203
TUNER_LCH
1
C213
C212
1
C208
1
1
C214
R220
6.8K
C204
1
4
3
7
5
6
1
2
9
10
8
Z300*
TU_CLK
IPOD_RCH
IPOD_GND
IPOD_LCH
R420
6.8K
C420
0.22
1
C404
C412
1
1
C408
A9V
R422
6.8K
0.22
C425
C236
0.015
R232
33K
C235
50V4.7
C225
0.22
C226
3300P
51
49
47
45
42
43
40
41
44
46
48
50
25
20
16
15
18
19
17
23
24
21
22
26
38
35
36
30
32 31
27
29 28
34 33
37
39
6
1
4
2
3
5
52
8
9
7
11 12
10
13
14
C1AB00003013
IC200
IC200
C234
0.039
47
R260
C442
1
22K
R233
16V470
C260
C261
0.1
150K
R231
R234
33K
C233 0.039
C241
4.7
4.7
C441
C232
1
C242
1
C217
1
C218
0.1
R230
4.7K
ASP_CLK
ASP_DATA
AGND
(J3CCBC000022)
MODE
CIN
TEST
FLOUT
XIN
VDDD
VDDA
RST
ROCL
XOUT
RDDA
VREF
VSSA
VSSD
RSD_ID
MPXIN
TUNER PACK
[13] SE_1
NC
[1] NC
SE_2
SCL
VCC
GND
SDA
REC_L
HP_LOUT
DAB_L
MID-L1
MID-L2
TRE-L
[28] BASS-L2
BASS-L1
SE_3
R_MAX
DBB_4
DBB_3
L-OUT
L-OUT
L_MAX
[27] DBB_1
DBB_2
R-OUT
R-OUT
REC_R
DAB_R
HP_ROUT
TRE-R
MID-R2
BASS-R1
[12] BASS-R2
MID-R1
CD-R
NC
TAPE P/BACK-R
CD-L
NC
VREF
IN1_COM-
IPOD_RCH
NC
[39] NC
AUDIO SIGNAL PROCESSOR
TU-L
NC
TAPE P/BACK-L
IPOD_LCH
NC
NC
TU-R
68
19.3. MAIN CIRCUIT (2/4)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
SA-PM38EB/EG/EF/EP MAIN
CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (1/4)
SECTION (1/4)
TO MAIN
SECTION (4/4)
SECTION (4/4)
P1
P1
TO
iPod CIRCUIT
(CN1002)
IN SCHEMATIC
DIAGRAM - 8
iPod CIRCUIT
(CN1002)
IN SCHEMATIC
DIAGRAM - 8
14
1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: FM SIGNAL LINE
: iPod AUDIO INPUT SIGNAL LINE
: USB SIGNAL LINE
E
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
B
D
E
F
H
G
C
R108 4.7K
0
K103
10K
R107
C105
16V220
C110
16V10
1
2
CN100
TO FAN
3
1
2
D108
B0ADFJ000004
R602
100
Q603
Q603
B1ABDF000026
820
R603
R604
820
A9V
Q600
B1BCCG000023
D602
MA2J11100L
16V10
C600
R601 1K
D601
MAZ80910ML
VCC
M9V
R600
1K
16V220
C100
R103
100
DC DETECT
DC DETECT
10V100
C102
56K
R104
27
R105
C106
10
B1ABCF000176
Q100
56K
R102
Q101
B1ABCF000176
DC_DET
D613
C606
0.1
DC_DET
USB5V
3
1
2
D603
B0ADFJ000004
4.7K
R607
B0EAKM000117
D610
B0EAKM000117
D609
R606 33K
16V22
C602
12K
R608
16V22
C603
VREF+
IPOD_PCONT
POWER CONTROL
POWER CONTROL
VOLTAGE REGULATOR
VOLTAGE REGULATOR
VOLTAGE REGULATOR
C605
16V10
C604
10V100
R353
220K
8
9
11
12
10
2
5
6
3
4
1
7
14
13
CN350
R352
330K
47K
R351
UNR221100L
Q350
UART_OUT
DGND
R392
100K
100K
UART_IN
R350
100K
IPOD_ACC3.3
R394 47K
Q382
B1ADCE000012
QR384
UNR221100L
4.7K
R393
L350
J0JHC0000034
IPOD_DET
IPOD_5V
IPOD_GND
IPOD_RCH
IPOD_LCH
B0EAKM000117
D612
B0EAKM000117
D611
B0EAKM000117
QR600
UNR521400L
R609
560
B1BCCD000019
Q604
D3.3V
IPOD_5V
3
1
2
4
5
C0DBGYY00089
IC601
CD7.5V
D605
B0EAKM000117
4
2
3
5
IC600
C0DAEJG00001
B0EAKM000117
D606
B0EAKM000117
D608
DGND
PGND
GND
D607
B0EAKM000117
FAN+
FAN-
DOCK5V
VGND
IPOD DET
DOCK_R OUT
DPORT_AGND
VBUS_DET
IPOD_CNG1
IPOD_CNG2
DOCK_L OUT
DOCK5V_GND
DO_UART_IN/RX
DO_UART_OUT/TX
IPOD ACC 3.3V
DOCK5V_GND
VCC
C
OUT
GND
VOLTAGE REGULATOR
CTL
VIN
D3.3V
CTRL
NBP
GND
1
INVERTER
LEVEL SHIFTER
SWITCH
16V220
C608
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