17.3. Main Diagram
SA-
AK450PL MAIN 1/2 DIAGRAM
5
6
3
2
1
7
CN1305 CN2803
8
CN1305 CN2803
9
CN7002 CN2801
2
CN7002 CN2801
4
21
19
CN6601 CN2806
22
CN6601 CN2806
20
CN6601 CN2806
29
CN3601
6
CN3601
CN2810
1
CN2810
2
8
Q2942
FAN MOTOR
ON/OFF SWITCH
Q2943
D2947
FAN SUPPLY
CONTROL SWITCH
Q2949
DC DETECT
SWITCH
Q2948
D2946
DC DETECT
SWITCH
Q2501
D2503
LEVEL METER
CONTROL SWITCH
Q2811
MUTE
SWITCH
Q2142
AGC CONTROL
SWITCH
Q2242
AGC CONTROL
SWITCH
Q2411
MUTE
SWITCH
Q2317
MUTE
SWITCH
Q2417
MUTE
SWITCH
HPF
LPF
Q2511
MUTE
SWITCH DRIVER
CN2809 CN5102
12
CN2809 CN5102
5
CN2809 CN5102
6
CN2809 CN5102
8
CN2809 CN5102
9
CN2809 CN5102
4
CN2803 CN1305
13
CN2803 CN1305
12
CN2806 CN6601
25
CN2806 CN6601
27
1
IN-L1
2
IN-R1
5
IN-L3
6
IN-R3
12
11
IN-L6
IN-R6
7
IN-L4
8
IN-R4
56
OP-IN
3
IN-L2
4
IN-R2
IC2803
C1BB00001121
AUDIO SOUND PROCESSOR
39
40
CLK
DATA
IDCDET
ASPCLK
ASPDA
LM.1
MUTEA
17
REC-R
53
REC-L
16
GV_OUT-R
54
55
OP-OUT
GV_OUT-L
42
L-OUT
37
R-OUT
12V
15V
6
5
2
3
1
7
IC2804
C0AABB000125
OP-AMP
JK2803
AUX
IC3700
C0ABBB000244
SMT OP-AMP
FROM DECK
FROM
CD SERVO
FROM PANEL
TO TUNER
PACK
FROM POWER
FROM POWER
FROM DECK
FROM PANEL
TO FAN
SA-AK450PL
57
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 ...