
17.5. Power Diagram
SA-
AK750E/EB/EG POWER DIAGRAM
TO TRANSFORMER
TO MAIN
(1/2)
TO MAIN
(2/2)
TO MAIN
(2/2)
TO MAIN
(2/2)
TO MAIN
(1/2)
H5104 CN5950
8
H5104 CN5950
3,4
H5104 CN5950
1,2
CN2809 CN5102
6
CN2809 CN5102
9
CN2809 CN5102
5
CN2809 CN5102
8
CN2809 CN5102
1
CN2809 CN5102
12
CN2808 CN5103
4
CN2808 CN5103
7
CN2808 CN5103
11
CN2808 CN5103
9
CN2808 CN5103
10
CN2808 CN5103
5
CN2808 CN5103
6
CN2808 CN5103
4
CN2809 CN5102
3
CN2808 CN5103
8
RCH.H
RCH.L
LCH.H
LCH.L
RCH
RCH
LCH
LCH
SUBWOOFER
L5501
CN2809 CN5102
11
SPEAKER
RCH.HIGH
SPEAKER
RCH.LOW
JK5101
SPEAKER
JK5102
SUBWOOFER
SPEAKER
LCH.HIGH
SPEAKER
LCH.LOW
X5201
X5202
IC5301
C1AA00000755
2CH DIGITAL AMP
2
3
IN1+
OUT1 10
OUT2 14
VDDA1 20
VSSA1 18
IN1-
21
22
IN2+
IN2-
23
MODE
1
OSC
1
OSC
Q5153
IC5401
C1AA00000755
2CH DIGITAL AMP
2
3
IN1+
IN1-
21
22
IN2+
IN2-
23
MODE
IC5201
C0JBAB000011
LOGIC
IC5101
C0DAZYY00005
REGULATOR IC
1
10
2
3,6
5
4
2
5.6V
VCC
3.3V
CTRL
1
5
MODE
SWITCH
Q5201
FREQUENCY
HOPPING
SWITCH
Q5202
D5130
D5126
FREQUENCY
HOPPING
SWITCH
Q5154
MODE
SWITCH
Q5112,Q5114
CURRENT STABLISER
11V REGULATOR
Q5111
+15V REGULATOR
Q5103,Q5104
FAN ON/OFF SWITCH
Q5113
CURRENT LMIITER
SWITCH
Q5102
CURRENT CONTROL
SWITCH
Q5108,Q5109
SWITCH
VOLTAGE REGULATOR
Q5101,Q5110
CURRENT CONTROL SWITCH
26V REGULATOR
Q5173
SWITCH
L5301
OUT1 10
OUT2 14
VDDA1 20
VSSA1 18
L4301
10
14
1
2
3
21
22
23
OUT1
OUT2
VDDA1
VSSA1
OSC
IN1+
IN1-
IN2+
IN2-
MODE
20
18
IC5501
C1AA00000755
2CH DIGITAL AMP
TO MAIN
(1/2)
1A
3A
1Y
2A,3Y
5Y
OSC
SA-AK750E / SA-AK750EB / SA-AK750EG
62
Summary of Contents for SA-AK750E
Page 9: ...9 SA AK750E SA AK750EB SA AK750EG ...
Page 14: ...14 SA AK750E SA AK750EB SA AK750EG ...
Page 27: ...10 3 Main Parts Location 27 SA AK750E SA AK750EB SA AK750EG ...
Page 39: ...10 17 1 Replacement of Pinch Roller and Head Block 39 SA AK750E SA AK750EB SA AK750EG ...
Page 46: ...12 4 Checking and Repairing of Power P C B 46 SA AK750E SA AK750EB SA AK750EG ...
Page 48: ...48 SA AK750E SA AK750EB SA AK750EG ...
Page 52: ...15 3 Power P C B Transformer P C B 15 4 Panel P C B 52 SA AK750E SA AK750EB SA AK750EG ...
Page 53: ...15 5 Main P C B 53 SA AK750E SA AK750EB SA AK750EG ...
Page 54: ...15 6 Deck P C B 15 7 Waveform Chart 54 SA AK750E SA AK750EB SA AK750EG ...
Page 56: ...56 SA AK750E SA AK750EB SA AK750EG ...
Page 64: ...SA AK750E SA AK750EB SA AK750EG 64 ...
Page 66: ...66 SA AK750E SA AK750EB SA AK750EG ...
Page 86: ...SA AK750E SA AK750EB SA AK750EG 86 ...
Page 91: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK750E SA AK750EB SA AK750EG 91 ...
Page 92: ...SA AK750E SA AK750EB SA AK750EG 92 ...
Page 93: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK750E SA AK750EB SA AK750EG 93 ...
Page 94: ...23 3 Packaging SA AK750E SA AK750EB SA AK750EG 94 ...