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Model
SA-PM250EB SA-PM250EC SA-PM250EE SA-PM250EF SA-PM250EG (serv.man2)
Pages
74
Size
4.05 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / CD STEREO SYSTEM
File
sa-pm250eb-sa-pm250ec-sa-pm250ee-sa-pm250ef-sa-pm2.pdf
Date
PREV: Panasonic SA-PM250EB / SA-PM250EC / SA-PM250EE / SA-PM250EF / SA-PM250EG Service Manual / Supplement

Panasonic SA-PM250EB / SA-PM250EC / SA-PM250EE / SA-PM250EF / SA-PM250EG (serv.man2) Service Manual ▷ View online

49
13.4. MAIN (SUPPLY) CIRCUIT
A
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
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
B
 MAIN (SUPPLY) CIRCUIT
S
CHEMATIC DIAGRAM - 3
SA
-PM250EB/EC/EE/EF/EG MAIN (SUPPLY)
 CIRCUIT
: +B SIGNAL LINE
G
TO
S
MPS
CIRCUIT (
P1700
)
IN SCHEMATIC 
DIAGRAM - 8
R1149
2
.2K
DZ2J062M0L
D1105
B1GBCFNN0038
PCONT
QR1102
D1100
DA2J10100L
6
8
9
7
2
1
4
5
3
10
CN1100
J0JYC0000656
LB1112
J0JYC0000656
LB1111
J0JYC0000656
LB1110
C118
6
C1184
C1185
100P
100P
100P
C1125
0.1
C1188
100P
J0JGC0000063
LB1109
1000P
C1001
39K
R11
2
8
4
7
0K
R11
27
PW_DAMP19V
DA
S
MPS_CUT
MI
M_VDET
MI
S
MPS_ID
MI
PCONT3
MI
S
TBY_CTRL
MI
7
8
6
5
2
1
3
4
Q1100
B1CHRC000047
S
WITCH
J0JGC0000063
LB1108
MOTORGND
CD
PW_5V
US
PW_D3R3V
MI
DA
DA
US
DA
DGND
MI
C1101
1
2
1
3
C0DBGYY03909
+3.3V VOLTAGE REGULATOR
IC1103
QR1101
B1GBCFNN0038
S
WITCH
C1141
1000P
27
K
R1105
R1100
100K
LB1100
J0JYC0000656
C1137
1
C1187
100P
J0JYC0000656
LB1101
2
.2K
R1150
R1129
150K
3
1
2
4
5
C0DBEYY00146
+9V VOLTAGE REGULATOR
IC1104
0
R1104
J0JGC0000063
LB1102
R1116
56K
1
C1130
1
C1131
DA
PW_LCD9V
DA
V
P_GND
MI
PW_STBY1R55V
R1145
0
0.1
C1183
B0JCGD000016
D1103
3
1
2
B0ADDH000009
D1104
C113
6
1
0
R1101
5.6
R1142
5.6
R1143
0.1
C1190
2
3.2K
R1141
10K
R1130
100P
C1189
C11
2
01
R1144
0
DA
PW_BT_5V
6
7
5
2
4
3
8
1
C0DBEYY00267
+3.3V VOLTAGE REGULATOR
IC1102
MI
PW_STBY3R3V
J0JGC0000063
LB1107
C1181
1
1
4
2
3
IC1106
C0DBGYY00911
+1.55V VOLTAGE REGULATOR
2
1
3
C0DBGYY05244
+5V VOLTAGE REGULATOR
IC1108
100P
C1191
1
C1148
LB1106
J0JGC0000063
R1147
0
C1146
1
0
R1102
DAMP_GND
DA
DC_DET_PWR
MI
PCONT
MI
PCONT3
BURST SW
5.2V
19V
19V
DGND
19VGND
PCONT
19VGND
REGION
GND
A
DJ
GND
GND
GND
CE
V
IN
V
OUT
GND
V
IN
V
OUT
GND
CE
GND
A
DJ
V
IN
V
OUT
CE
V
DD
V
IN
GND
V
OUT
V
OUT
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 1 ~ 2
DA: MAIN (DAMP): SCHEMATIC DIAGRAM - 4
CD: MAIN (CD MOTOR DRIVER): SCHEMATIC DIAGRAM - 5
US: MAIN (USB): SCHEMATIC DIAGRAM - 6
C1100
10
50
13.5. MAIN (DAMP) CIRCUIT
A
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
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
B
 MAIN (DAMP) CIRCUIT
S
CHEMATIC DIAGRAM - 4
SA
-PM250EB/EC/EE/EF/EG MAIN (DAMP)
 CIRCUIT
: +B SIGNAL LINE
C
TO
TUNER
CIRCUIT (CN51) 
IN SCHEMATIC 
DIAGRAM - 6
TO SPEAKERS
TO BLUETOOTH P.C.B.
D
TO
PANEL
CIRCUIT (
CN900
)
IN SCHEMATIC 
DIAGRAM - 7
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 1 ~ 2
S
U: MAIN (SUPPLY): SCHEMATIC DIAGRAM - 3
: TUNER AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
1000P
C439 R449
6
8
J0JHC0000118
LB400
1
G1
3
4
2
G2
CN400
PW_DAMP19V
S
U
J0JHC0000118
LB401
S
U
DAMP_GND
MI
DSP_ERR
S
U
PW_D3R3V
MI
DC_DET_AMP
MI
DSP_SDA
MI
DSP_SCL
MI
DSP_MUTE
MI
DSP_RESET
MI
CD_SDO
MI
CD_BCK
MI
CD_LRCK
J0JYC0000305
LB406
C462
0.1
0.1
C441
R432
100K
C427
0.47
0.47
0.47
C428
R446
3.3
C425
C426
C456
C460
R447
3.3
0.01
R448
3.3
0.01
C459
C454
0.1
0.47
0.1
R445
3.3
R433
100K
0.1
C453
0.1
C452
C411
4.7
C463
1000P
C409
1
C408
100P
C420
4.7
0.1
C431
1200P
C424
5.6
R420
C416
4.7
C415
4.7
10
C412
1
C414
C413
10
C418
10
10
C419
1
C417
R417
5.6
C421
1200P
1200P
C423
C422
5.6
R419
5.6
R418
1200P
R40
7
0
J0JYC0000
6
5
6
LB40
7
J0JYC0000
6
5
6
LB408
R400
100
C4
6
5
1000P
R404
100
C429
10
R40
2
100
R403
22
0
100
R427
330
R428
C430
100P
C450
1
R409
0
100P
C464
C451
1000P
R408
0
C444
33P
1
C403
100P
C402
C401
1
4
5
T1
45
46
44
48
47
2
1
3
32
34
36 35
33
42
40
41
43
37
39
38
8
15
17
16
13
14
9
6
7
27
2
5
22
2
3
2
0
19
2
1
2
4
26
18
30
31
2
8
2
9
THERMAL
PAD
11 12
10
C1AB00004239
DSP
IC400
G1C100MA0426
L401
L403
G1C100MA0426
G1C100MA0426
L402
C432
1
Q402
DSA200100L
DC DETECT
Q401
Q403
B1ABCF000231
DC DETECT
Q400
B1ABCF000231
DC DETECT
B1ABCF000231
DC DETECT
R430
100K
R429
4.7K
G1C100MA0426
L400
R431
22
K
J0JYC0000366
LB402
C433
10
R435
100K
100K
R437
100K
R436
C434
10
R434
100K
J0JYC0000366
LB404
LB405
J0JYC0000366
J0JYC0000366
LB403
C436
1000P
1000P
C435
C458
0.01
0.01
C457
C405
15P
C407
27
00P
C406
0.027
C404
12P
R413
1.5K
R412
1M
R414
1.5K
R416
100K
2
3
1
4
H0J
2
45500110
X400
C438
1000P
1000P
C437
2
5V220
C410
DVDD
LRCK3
GND1
V
CCP1
OUT1P
DGND
HPMUTE
OUT1N
GNDP
2
BSP2N
GNDP
2
[25] OUT2N
[26] VCCP2
TEST3
ERROR
PLLVDD
OUT
2
P
B
S
P
2
P
LCH+
RCH-
LCH-
RCH+
XI
PLLGND
PLL
MONI
[37] BSP1P
[38] REG_G
GNDP1
B
S
P1N
LRCK2
BCLK3
DGND
S
D
A
T
A
1
TEST1
S
CL
A
DDR
S
D
A
REG15
R
S
TX
MUTEX
XO
[13] DVDD
TEST2
[48] BCLK2
[1] SDATA2
LRCK1
MCLK0
BCLK1
S
DATA3
PWMHP2
PWMHP1
J0JYC0000656
LB8102
J0JYC0000656
LB8100
R8151
33
R8224
0
J0JYC0000656
LB8101
0
R8214
J0JYC0000656
LB8109
J0JYC0000656
LB8107
R8152
33
J0JYC0000656
LB8108
C8150
0.1
J0JYC0000656
LB8106
C8251
1
3
2
6
7
4
5
1
9
8
CN8003
1
4
2
3
C0DBGYY00969
+5V VOLTAGE REGULATOR
IC8100
BT_PCONT
MI
PW_BT_5V
S
U
BT_UART_RTS
MI
BT_UART_TX
MI
BT_UART_RX
MI
DGND
MI
PW_STBY3R3V
S
U
KEY2
MI
KEY1
MI
V
OL_JOG
MI
FL_CS
MI
FL
MI
FL_DO
MI
PW_D3R3V
S
U
REM_IN
MI
DIMMER
MI
PW_LCD9V
S
U
V
P_GND
S
U
TU_INT
MI
TU_RST
MI
TU_SDA
MI
TU_SCL
MI
BT_WAKE
MI
BT_HOST_WAKE
MI
2
.2K
R8223
1
C8250
J0JHC0000118
LB8114
J0JYC0000656
LB8104
J0JYC0000656
LB8111
J0JYC0000656
LB8110
0
R8217
R8159
0
C8152
0.1
3
2
6
7
4
5
1
1
9
9
8
CN8002
0
R8215
0
R8216
J0JYC0000656
LB8103
R8213
100
R8211
100
R8212
100
J0JYC0000656
LB8112
J0JYC0000656
LB8105
J0JYC0000656
LB8113
7
9
11
10
12
8
2
3
1
1
5
6
4
13
13
CN8001
0.1
C8253
0.1
C8252
RESET
INT
S
CLK
PW_3R3V
S
DIO
GND
GND
GND
BT_WAKE
HOST_WAKE
BT_CTS
V
DD
CE
V
OUT
GND
KEY1
D9V
DGND
D3R3V
LCD_CS
LCD_DI
LCD_WR
KEY2
BT_UART_RX
PWRGND
DIMMER
REMOTE_IN
PW_STBY3R3V
V
OL_JOG
PW_BT_5V
BT_UART_TX
TUN_BCK
DGND
TUN_LRCK
TUN_DATA
51
13.6. MAIN (CD MOTOR DRIVER) CIRCUIT
A
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
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
B
 MAIN (CD MOTOR DRIVER) CIRCUIT
S
CHEMATIC DIAGRAM - 5
SA
-PM250EB/EC/EE/EF/EG
 MAIN (CD MOTOR DRIVER) CIRCUIT
A
TO
CD INTERFACE
CIRCUIT (
CN7002
)
IN SCHEMATIC 
DIAGRAM - 1
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 1 ~ 2
S
U: MAIN (SUPPLY): SCHEMATIC DIAGRAM - 3
: +B SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
OPTICAL PICKUP UNIT
1
7
R5008
100
3.3K
R5037
0
R5045
R5014
0
R5015
0
R5017
0
R5012
0
0
R5043
MOTORGND
A
F
C
B
D
DGND
PW_D3R3V
0.1
C5029
0.1
C5031
LDO
V
BIAS
E
INNER_SW
OPEN_SW
TRDRV
S
PDRV
PW_5V
LOADING
FODRV
TRVDRV
R5011
6
.8K
4700P
C5022
0.1
C5032
R5016
100K
R5018
R5044
0
R5022
1K
15K
R5013
47K
6
8P
C5024
MD
F+
F-
TR
V
-
TR
V
+
J0JGC0000063
LB5003
10
C5009
C5010
0.01
T-
S
PM-
S
PM+
T+
R5010
1K
1000P
C5012
0.1
C5011
10V10
C5019
1.2K
R5009
2
1
27
5
2
4 25
22
17
19
18
15 16
30
2
0 21
7
11 10
13
14
12
8 29
9
2
3
6
3
4
26
2
8
IC5001
C0GBY0000213
5CH MOTOR DRIVER
2
.2M
R5038
R5036
0
R5007
0
LB5002
J0JYC0000656
C5027
10
0.1
C5028
0.01
C5002
C5025
10
C5001
10
0.01
C5026
J0JYC0000656
LB5001
FWD
REGO1
RE
V
TRB_1
REGO
2
V
IN
S
L+
V
O
S
L-
V
O
S
L+
V
OFC+
V
OFC-
V
CC
FIN
V
OTR-
V
OTR+
V
INFC
NC
BI
AS
P
V
CC
FIN
GND
NC
V
CTL
V
OLD+
V
INLD
V
INTK
TRB_
2
V
OLD-
V
OTK+
V
OTK-
MUTE
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
MI
S
U
S
U
S
U
S
U
4
5
1
3
2
7
6
CN5001
F+
F-
T+
R5031
0
R5030
0
S
PM-
TRV-
TRV+
S
PM+
T-
R5033
0
R5032
0
J0JYC0000656
LB5010
J0JYC0000656
LB5006
LB5005
J0JYC0000656
LB5008
J0JYC0000656
LB5007
J0JYC0000656
J0JYC0000656
LB5009
R5019
4.7
Q5002
B1ADCF000001
LASER DRIVE
R5020
100K
0.1
C5021
R5021
4.7
6
7
5
9
13
15
14
11
10
12
2
1
22
18
16
17
2
0
19
8
1
3
4
2
2
4
2
3
CN5002
0.1
C5020
C5018
0.01
TRV-
TRV+
S
PM-
S
PM+
OPEN_SW
RESET_SW
MOTORGND
NC
GND
NC
NC
CD-LD
DVD-LD
MD/LPD
GND-LD
F
E
C
A
B
D
RF
V
REF
F+
T+
F-
T-
NC
PD GND
V
CC(5V)
CD/DVD SW
J0JYG0000063
LB5004
52
13.7. MAIN (USB) & TUNER CIRCUIT
A
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
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
C
 TUNER CIRCUIT
S
CHEMATIC DIAGRAM - 6
SA
-PM250EB/EC/EE/EF/EG MAIN (USB) / TUNER
 CIRCUIT
: +B SIGNAL LINE
B
 MAIN (USB) CIRCUIT
: +B SIGNAL LINE
B
TO
MAIN (DAMP)
CIRCUIT (CN8002) 
IN SCHEMATIC 
DIAGRAM - 4
NOTE: “ * ” REF IS FOR INDICATION ONLY
: TUNER AUDIO INPUT SIGNAL LINE
: FM SIGNAL LINE
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 1 ~ 2
S
U: MAIN (SUPPLY): SCHEMATIC DIAGRAM - 3
: USB SIGNAL LINE
R51
R52
33P
C66
10P
C69
R59
2
.2K
R60
330
C67
3P
L51
C51
G1CR18JA0020
R56
R55
R57
L54
0
C61
LB52
0
R80
0
CK81
C62
0.1
7
9
8
4
5
1
3
2
6
CN51
4
12
1
2
14
T1
17
19 18
16
15
2
0
3
13
THERMAL
PAD
5
11
10
8
9
7
6
IC52
G2
G3
G1
JK51
1000P
LB51
J0JYC0000656
VA
51
B0ZBZ0000156
DGND
PW_3R3V
TU_INT
TU_SDIO
TU_RESET
TUN_BCK
TU_SCLK
TUN_DATA
TUN_LRCK
560
1K
R64
0
22
0
22
0
0.1
S
EN
RST
S
CLK
V
IO
V
DD
RCLK
S
DIO
DOUT
GND
RFGND
A
MI
FM ANT
DCLK
LIN
RIN
DFS
2
.2K
R65
0
R66
0
V
UEALLPT094
A
M/FM RADIO RECEIVER
NC
NC
FMI
GCGPO
2
GCGPO1
C68
10
C65
0
D+
USB_OVC
USB_EN
0.1
C6010
2
.2K
R6005
D-
10
C
6
011
3
1
2
4
5
IC6003
C0DBZYY00712
HIGH SIDE SWITCH
R6002
0
DGND
PW_D3R3V
PW_5V
S
U
S
U
MI
MI
S
U
MI
MI
R6003
0
100K
R6000
1000P
R6006
2
5
G
1
4
6
G
3
CN6001
USB PORT
C6013
10P
10P
C6012
EN
GND
USB_5V
DGND
USB_D+
USB_D-
OUT
/OC
IN
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