Power Circuit / Headphone Circuit - Panasonic SA-PM24EB Service Manual

18.9. POWER CIRCUIT / HEADPHONE CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 9
A
POWER CIRCUIT
B
C
FP5901
5A
CN5101
E
TO
VCC 4
TRANSFORMER
VCC 3
CIRCUIT (CN5901)
GND 2
IN SCHEMATIC
GND 1
DIAGRAM - 8
D
D5111
MA2J1110GL
E
CN5102
IN2_L 1
B
TO AGND 2
MAIN CIRCUIT
IN1_R 3
(CN806)
DC_DET 4
F
IN SCHEMATIC
STBY 5
DIAGRAM - 4
AMP_MUTE 6
JK501
L+ 1
L- 2
TO SPEAKER
R+ 3
R- 4
G
H
1 2 3
4 5 6
: +B SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
IC5101
AN17831A
POWER AMPLIFIER
1 2 3 4 5 6 7 8 9 10 11 12
C5109 C5103
2700P 2700P
R5112
1K C5111 R5113
16V10 47K
C5124 R5111
16V22 10K
R5109
2.2K
C5106
1
R5105
100 R5106
22K
R5102
R5101 22K C5102
100 1
4 5 6
7 8 9
G
HEADPHONE CIRCUIT
WH902
HP_SW
B
MPORT_GND
TO
MAIN CIRCUIT MPORT_L
MPORT_R
(CN450)
IN SCHEMATIC HP_L
DIAGRAM -3 HP_GND
HP_R
C5114 C5113
470P 470P
7 8 9
81
10 11 12 13
: MUSIC PORT AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
L951
JK951
0
5
4
R955 C955
100K 0.01
L952
3
0
2
R952 C952
100K 0.01
L953
0 1
6
L954
0
7
R950
0
1
C950
L950 1000P
2
J0JBC0000019
7
6
C953
R953
1000P
5
0
4 3
3
2
1
SA-PM24EB/EG/EP POWER / HEADPHONE CIRCUIT
10 11 12 13
14
A
B
HEADPHONE
JK950
C
MUSIC PORT
D
E
F
G
H
14