17.3. Main Diagram
SA-
AK250PL MAIN (1/2) DIAGRAM
Q2341
MUTE
SWITCH
Q2441
MUTE
SWITCH
QR2501,
QR2502
SWITCH
3.3V
CN1305 CN2803
8
CN1305 CN2803
9
CN7002 CN2801
2
CN7002 CN2801
4
21
19
CN6601 CN2806
22
CN6601 CN2806
20
CN3601
6
CN3601
CN2810
1
CN2810
2
8
Q2942
FAN MOTOR
ON/OFF SWITCH
Q2943
FAN SUPPLY
CONTROL SWITCH
Q2949
DC DETECT
SWITCH
Q2948
D2946
DC DETECT
SWITCH
Q2311
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
6
CN2809 CN5102
9
CN2809 CN5102
4
CN2806 CN6601
25
CN2806 CN6601
27
1
IN-L1
2
IN-R1
5
IN-L3
6
IN-R3
7
IN-L4
8
IN-R4
3
IN-L2
4
IN-R2
IC2803
C1BB00001121
AUDIO SOUND PROCESSOR
39
40
CLK
DATA
IDCDET
ASPCLK
ASPDA
MUTEA
42
L-OUT
37
R-OUT
12V
15V
6
5
2
3
1
7
IC2804
C0AABB000125
OP-AMP
12
11
IN-L6
IN-R6
AUX
JK2803
AUX
FROM DECK
FROM
CD SERVO
FROM PANEL
TO TUNER
PACK
FROM POWER
FROM PANEL
TO FAN
SA-AK250PL
57
Summary of Contents for SA-AK250
Page 8: ...8 SA AK250PL ...
Page 12: ...7 Operating Procedures 7 1 Main Unit Key Buttons Operations 12 SA AK250PL ...
Page 13: ...7 2 Remote Control Key Buttons Operations 13 SA AK250PL ...
Page 15: ...With reference to page 15 of the operating instruction manual 15 SA AK250PL ...
Page 17: ...17 SA AK250PL ...
Page 20: ...20 SA AK250PL ...
Page 22: ...9 4 2 Error Code Table For CD Changer Block 22 SA AK250PL ...
Page 23: ...23 SA AK250PL ...
Page 24: ...24 SA AK250PL ...
Page 28: ...10 3 Main Parts Location 28 SA AK250PL ...
Page 37: ...10 16 1 Replacement of Pinch Roller and Head Block 37 SA AK250PL ...
Page 38: ...10 16 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 38 SA AK250PL ...
Page 44: ...12 4 Checking and Repairing of Power P C B 44 SA AK250PL ...
Page 46: ...46 SA AK250PL ...
Page 50: ...15 3 Main P C B 50 SA AK250PL ...
Page 51: ...15 4 Panel P C B Transformer P C B 15 5 Power P C B 51 SA AK250PL ...
Page 52: ...15 6 Waveform Chart 52 SA AK250PL ...
Page 54: ...54 SA AK250PL ...
Page 62: ...SA AK250PL 62 ...
Page 64: ...64 SA AK250PL ...
Page 76: ...SA AK250PL 76 ...
Page 84: ...SA AK250PL 84 ...
Page 89: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK250PL 89 ...
Page 90: ...SA AK250PL 90 ...
Page 91: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK250PL 91 ...
Page 92: ...23 3 Packaging SA AK250PL 92 ...