Panasonic SC-HC37GN - MAIN CIRCUIT (1;4)

105
14.4. MAIN CIRCUIT (1/4)
A
1
2 3 4 5 6 7 8 9 10 11 12 13 14
C
D
B
E
G
H
F
2/4
4/4
1/4
3/4
SC-HC37GN/GS/GSX/PU
MAIN CIRCUIT
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
TO MAIN
CIRCUIT (3/4)
TO MAIN
CIRCUIT (2/4)
NOTE: “ * ” REF IS FOR INDICATION ONLY
HEADPHONE
TO LEFT
SPEAKER
1
2
P1
3
4
19
P2
18 17 16 15 14 13 12 11
6
TO RIGHT
SPEAKER
10
9 8
RL401*
RL400*
: AUDIO OUTPUT SIGNAL LINE : iPod/iPhone/USB SIGNAL LINE: -B SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE : TUNER AUDIO INPUT SIGNAL LINE: +B SIGNAL LINE
: FM SIGNAL LINE
: AM SIGNAL LINE
2
5
G
14
6
G
3
DGND -D USB5V +D
PDET2
R428
2.2K
22KR420
R429
2.2K
J0JHC0000107
LB400
R423
15K
R421
15K
C431
1
C430
1
LB401
J0JHC0000107
22KR422
R451
220
2.2K
R425
2.2K
R427
1
2
CN400
C438
C439
1
C453
1
C436
C440
1
R434
33K
1K
R452
R443
560
100
R437
C449
0.01
R433
33K
C450
68P
C451
68P
R441
47K
47K
R440
C445
180P
HP_MUTE
C452
68P
4
5
6
3
2
1
9
11
13
14
12
10
78
IC450
C1AB00003801
HEADPHONE DRIVER
C448
100
R436
R432
33K
47K
R438
LB450
C444
68P
C443
68P
J0JGC0000020
LB404
LB451
R435 33K
R439 47K
22K
R424
R426
22K
25V100
C434
L407
R430
15K
C432
1
C441
180P
C442
68P
C433
1
R431
15K
C447
R6004
0
L400~L403
G1C150M00023
L400
4．7K
R411
R418
100K
Q403
B1ABCF000011
DC DETECT
R408
100K
Q401
B1ABCF000011
DC DETECT
100K
R409
C420
10
C421
10
C435
C437
1000P
1000P
22K
R410
Q402
B1ADCE000012
DC DETECT
C428
0.1
C422
1
Q400
B1ABCF000011
DC DETECT
1
2
CN401
2.2K
R402
LB410
J0JFC0000007
L403
C413
0.1
C414
0.1
L401
C411
0.1
C410
0.1
2.2K
R401
L404
L404~L407
G1C1R0MA0530
C408
1
C415
0.1
L405
L402
C412
0.1
L406
C407
1
C406
1
C409
1
ET400*
C6004
1000P
1000P
0.022
1000P 1000P
0.022
C446
763 2514
JK450
100K
R404
100K
R406
R407
100K
LB452
J0JCC0000124 J0JBC0000014 J0JBC0000014
100K
R405
GND
-INR
+INR
CN
RCH L0-
VSS
OUTR
...HC37
...GN/GS/GSX/PU
/MUTE
GND
UVP
+INL
OUTL
-INL
RCH L0+
CP
VDD
LCH L0+
LCH L0-
JK6000
USB
C6000
0.1
R6020
0