Main Circuit (5/6) - Panasonic SA-AK580PH Service Manual

16.6. Main Circuit (5/6)

SCHEMATIC DIAGRAM - 6
B MAIN CIRCUIT
P1
LOUT
AGND
ROUT
R2331
0
R2332
0
QR2317
B1GDCFGA0018
R2366
R2356
SWITCH
820
MUTE_A
R2365
100K
R2358
C2365
25V4.7
TO MAIN
SECTION (4/6)
15 16 17
: +B SIGNAL LINE : -B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
TO MAIN
SECTION (2/6)
C3922 R2516
4.7 470
Q2410
B1GFGCAA0001
MUTING SWITCH
3 4
R2517
10K
2 5
1 6
R2417
10K
R2416
C3923
470
4.7
C3920 C3921
10 10
R2352 R2355 R2351
18 18 18 18
C2358 C2357
-9V
1000P 1000P
R2354 R2357 R2353
18 18 18 18
R2448
22K
R2363
R2359 0
HP_L
5.6K
3 4 R2361
5.6K
R2360
5.6K
2 5
1 6
Q2510
R2362
5.6K
B1GFGCAA0001
R2364
MUTING SWITCH
0
HP_R
18 19 20
: AUX/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
C3105
1
FRONTL
C3118
R3111
0
3.3K
R2318
100K R3115
R3113 470
0
R3114
0
R2418
100K R3112
3.3K
FRONTR
C3106
1
C3119
0
R3116
Q3115
470
B1ABCF000176
R3118
SWITCH
1K
R3120
R3119
680
Q3116
R3117 680
1K
B1ABCF000176
SWITCH
CLIP_ATTN
21 22 23
102
: AM/FM SIGNAL LINE : USB SIGNAL LINE
1/6 2/6 3/6
4/6 5/6 6/6
SA-AK580PH/PN MAIN CIRCUIT
24 25 26
P1
TO MAIN
SECTION (6/6)
27 28