TO
POWER
CIRCUIT
(CN5102)
IN SCHEMATIC
DIAGRAM-9
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
B
D
E
F
H
G
C
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
SA-
AK450PL MAIN CIRCUIT
1/4
2/4
3/4
4/4
6
7
5
2
4
3
8
1
TO MAIN SECTION (1/4)
TO MAIN SECTION (4/4)
C30
C1
C2
C9
F_HOP
SUBW
FAN
+15V
ASP_GND
A_GND
HIGH_R-IN
HIGH_L-IN
LOW_R-IN
LOW_L-IN
T-GND
MUTE-D-AMP
R2334
R2434
R3700
C3700
R3702
C3704 R3706
R3708
C3706
R3701
C3701
C3708
SMT OP AMP IC
R2428
R2426
R2326
R2328
R3709
C3707
C2943
R3704
R3707
IC3700
IC3700
CN2809
C3709
C3705
R2316
R2317
R2331
C2333
R2433
R2333
R2335
C2331
R2323
C2323
C2325
R2431
C2433
R2321
R2318
R2435
R2329 C2321
Q2317
C2443
R2456
R2356
C2343
R2416
R2423
C2423
R2421
C2425
R2418
Q2417
R2429
C2421
R2417
0
0
1k
1u
10K
1u
68k
68k
47p
1K
1u
10p
15k
10K
10K
15k
68k
47p
50V2.2
10K
68K
10p
1u
2.2k
18k
0
1u
15k
15k
1k
4700P
39k
0.015
16V10
16V10
0
1u
0
100k
4700P
C2431
1k
3.3K
1
1
0.47u
180k
180k
0.47u
2.2k
39k
0.015
0
100k
3.3K
18k
REC_L
REF_L
A_GND
REF_R
A_GND
+15V
REC_R
T_GND
MUTE_D_AMP
+15V
FAN
F_HOP
C0ABBB000244
7
9
10
8
4
5
1
3
2
6
12
11
Q2317,Q2417
B1ABCF000176
MUTING SWITCH
R3703
68K
R3705
68K
C3711
R3720
1u
0
MIC_MIX
K3705
0
R3712
47k
C3710 C3712
0.1u
100u
K3703
0
: +B SIGNAL LINE
: MAIN SIGNAL LINE
: MIC SIGNAL LINE
: TAPE RECORD SIGNAL LINE
W587
0
W673
0
W654
0
R3711
47K
W586
0
SA-AK450PL
67
Summary of Contents for SA-AK450PL
Page 8: ...8 SA AK450PL ...
Page 11: ...6 Accessories Remote Control FM Antenna Wire AC Cord AM Loop Antenna 11 SA AK450PL ...
Page 12: ...7 Operating Instructions Procedures 7 1 Main Unit Key Buttons Operations 12 SA AK450PL ...
Page 13: ...7 2 Remote Control Key Buttons Operations 13 SA AK450PL ...
Page 26: ...10 3 Main Parts Location 26 SA AK450PL ...
Page 38: ...10 17 1 Replacement of Pinch Roller and Head Block 38 SA AK450PL ...
Page 39: ...10 17 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 39 SA AK450PL ...
Page 45: ...12 4 Checking and Repairing of Power P C B 45 SA AK450PL ...
Page 47: ...47 SA AK450PL ...
Page 51: ...15 3 Main P C B 15 4 Panel P C B 51 SA AK450PL ...
Page 52: ...15 5 Power P C B Transformer P C B 52 SA AK450PL ...
Page 53: ...15 6 Waveform Chart 53 SA AK450PL ...
Page 62: ...SA AK450PL 62 ...
Page 64: ...64 SA AK450PL ...
Page 84: ...SA AK450PL 84 ...
Page 89: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK450PL 89 ...
Page 90: ...SA AK450PL 90 ...
Page 91: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK450PL 91 ...
Page 92: ...23 3 Packaging SA AK450PL 92 ...