104
16.6. Main Circuit (5/6)
P1
P1
AA
P1
SA-AK980PU MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (4/6)
TO MAIN
SECTION (2/6)
TO MAIN
SECTION (6/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 6
: CD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: AUX/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
: USB SIGNAL LINE
: AM/FM SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
AGND
R2516
470
R2416
470
C3922
4.7
0
C3118
C3105
1
C3106
1
3.3K
R3111
3.3K
R3112
C3107
0.012
C3108
0.012
R3116
470
C3119
0
R2418
100K
R3115
470
0
R3113
0
R3114
R2318
100K
R2517
10K
3
2
5
4
1
6
Q2410
B1GFGCAA0001
K2321
K2322
R2372
33K
15K
R2373
C2378
1
C2380
0.01
R2374
18K
1K
R3118
R2380
12K
R2556
1K
Q2371
B1ABCF000176
B1ABCF000176
Q2373
B1ABCF000176
R2376
2.2K
C2379
10
R2383
1K
R2381
100K
R2379
18K
R2382
1K
Q2571
B1GDCFJJ0047
R2990
1K
C2570
6.3V47
470
R2375
Q2559
B1ABCF000176
R2570
1K
Q2372
HP_R
5.6K
R2361
5.6K
R2362
3
2
5
4
1
6
B1GFGCAA0001
Q2510
HP_L
Q2375
B1GDCFJJ0047
SW_LV2
SW_LV1
39K
R2371
Q2374
B1GDCFJJ0047
C3921
10
C3920
10
100P
C2371
18K
R2369
R2363
0
R2364
0
R2351
18
R2353
18
R2355
18
R2357
18
R2352
18
R2354
18
R2356
18
R2358
18
C2357
1000P
10M
R2385
C2374
0.01
C2376
0.039
SW_MUTE
47K
R2370
2
1
7
8
5
4
3
6
IC2810
C0ABBB000230
100P
C2375
CLIP_ATTN
SUBW
-9V
V-
V+
1K
R3117
680
R3119
R2368
18K
0.1
C2323
R2331
0
R2332
0
56K
R2327
0.1
C2324
56K
R2328
5.6K
R2360
5.6K
R2359
MUTE_A
R2366
820
R2448
22K
C2365
25V4.7
R2365
100K
C2358
1000P
QR2317
B1GDCFGA0018
C3923
4.7
10K
R2417
R3120
680
Q3115
B1ABCF000176
Q3116
B1ABCF000176
+9V
FRONTL
FRONTR
ROUT
LOUT
SWITCH
OP AMP
SWITCH
SUBWOOFER
MUTING SWITCH
SUBWOOFER LEVEL
CONTROL SWITCH
SUBWOOFER LEVEL
CONTROL SWITCH
SUBWOOFER LEVEL
CONTROL SWITCH
POWER SUPPLY SWITCH
POWER SUPPLY SWITCH
POWER SUPPLY SWITCH
SWITCH
MUTING SWITCH
MUTING SWITCH
Summary of Contents for SA-AK980
Page 15: ...15 5 3 Disc Information ...
Page 27: ...27 6 6 2 Error Code Table For Power Supply ...
Page 28: ...28 7 Troubleshooting Guide 7 1 Jupiter USB ...
Page 29: ...29 7 2 Troubleshooting Guide ...
Page 30: ...30 ...
Page 32: ...32 7 3 2 Troubleshooting Guide ...
Page 38: ...38 ...
Page 39: ...39 9 1 Disassembly Flow Chart ...