Read Panasonic SA-PM38EG / SA-PM38EF / SA-PM38EB / SA-PM38EP / SA-PM48EG Service Manual Supplement online
6
2.2.
MAIN CIRCUIT (SA-PM48EG-K)
With reference to original service manual (section 21.2) on page 91 for Model No. SA-PM48EG-K.
B
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 2
SA-PM48EG 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/TAPE AUDIO INPUT SIGNAL LINE
: FM/AM 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
REC_RIN
R215
1.5K
C300 220P
C301 220P
TUNER_LCH
TU_TUNED
TUNER_RCH
TU_STEREO
TU_SDA
0.1
C302
A9V
REC_LIN
R216
18K
R416
18K
C415
1000P
R415
1.5K
C215
1000P
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
L260
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
C216
1
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
C210
C212
1
C208
1
1
1
C214
R220
6.8K
C204
1
PB_RCH
4
3
7
5
6
1
2
9
10
8
Z300*
TU_CLK
PB_LCH
IPOD_RCH
IPOD_GND
IPOD_LCH
R420
6.8K
C420
0.22
1
C404
C416
1
C412
1
C410
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
22K
R233
16V470
C260
C261
0.1
150K
R231
R234
33K
C233 0.039
C241
4.7
4.7
C441
C232
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
R204
0
R404
0
C242
2.2
2.2
C442
L311
J0JBC0000015
D0GBR00JA008
CHANGE
J0JBC0000015
D0GBR00JA008
L312
CHANGE
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