Read Panasonic SA-PM38EG / SA-PM38EF / SA-PM38EB / SA-PM38EP / SA-PM48EG Service Manual Supplement online
7
With reference to original service manual (section 21.4) on page 93 for Model No. SA-PM48EG-K.
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 4
SA-PM48EG MAIN
CIRCUIT
2/4
4/4
1/4
3/4
TO MAIN
SECTION (4/4)
SECTION (4/4)
TO MAIN
SECTION (1/4)
SECTION (1/4)
P1
P1
A
TO
CD SERVO
CIRCUIT (CN7002)
IN SCHEMATIC
DIAGRAM - 1
CD SERVO
CIRCUIT (CN7002)
IN SCHEMATIC
DIAGRAM - 1
1
22
H
TO
USB CIRCUIT
(P901)
IN SCHEMATIC
DIAGRAM - 8
USB CIRCUIT
(P901)
IN SCHEMATIC
DIAGRAM - 8
22
1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD/TAPE AUDIO INPUT SIGNAL LINE
: FM/AM SIGNAL LINE
: iPod AUDIO INPUT SIGNAL LINE
: USB SIGNAL LINE
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
UNR211100L
QR376
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
R380
4.7K
2.2K
2.2K
4.7K
2.2K
2.2K
R382
R381
4.7K
CHANGE
C381
1
ADD
(C381)
C382
0.1
ADD
(C382,
C383)
C383)
C383
47P
C384
47P
ADD
(C384)
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