Main Circuit (4/4) - Panasonic SA-PM24EB Service Manual

18.5. MAIN CIRCUIT (4/4)

SCHEMATIC DIAGRAM - 5
MAIN CIRCUIT
P1
TO MAIN
SECTION (3/4)
15 16 17
: +B SIGNAL LINE : - B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
IC651
C0DBZGC00067
VOLTAGE REGULATOR
4 5
3
NC CD3.3V
D658
B0ADFJ000004 VSTDBY GND VIN
3 2 1
1 2
5
C658 C657
50V2.2 0.1
C656
D655 16V22
B0EAKM000117
D654
B0EAKM000117
R654
39K
D660
B0EAKM000117
FL3.3V
AGND
TUNER_GND
DGND
GND
VREF-
SYS3.3V
PCONT1
HALT
18 19 20
: MUSIC PORT AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
TO MAIN
SECTION (2/4)
IC650
C0DAEJG00001
VOLTAGE REGULATOR
4 3 2 1
C655
16V22
C305
1000P
R653
18K
21 22 23
77
: AM SIGNAL LINE : FM SIGNAL LINE : FM/AM SIGNAL LINE
Q650
B1BACG000023
D650
VOLTAGE REGULATOR
B0EAKM000117
C650
0.01
CN804
7 VCC
6 M+7.5V
5 M_GND
4 SYS_GND
3 SYS3.3V
2 PCONT
1 HALT
1/4 2/4
3/4 4/4
SA-PM24EB/EG/EP MAIN CIRCUIT
24 25 26
I
J
K
L
E
TO
TRANSFORMER
CIRCUIT (CN5903)
IN SCHEMATIC
M
DIAGRAM - 8
N
O
P
27 28