![](/html/0c/0c29/0c29aae9fe1efdb33bb40bb6739559de9a02799ee641d27fe9cde2e213b833ae/bg1.png)
CD Stereo System
SA-AK450P
SA-AK450PC
Colour
(K) .... Black Type
ORDER NO. MD0707043SE
A6
Subject :
Please use this service manual together with the service manual for Model No.[SA-AK450P/PC-K, Order
No. MD0703005CE].
Block Diagram & Schematic Diagram (Correction)
© 2007 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
![](/html/0c/0c29/0c29aae9fe1efdb33bb40bb6739559de9a02799ee641d27fe9cde2e213b833ae/bg3.png)
1 Block Diagram
1.1. Power Diagram
Note:With reference to Section 17.5 (Power Diagram) of the original service manual:
CN2809 CN5102
TO MAIN
(1/2)
TO MAIN
(2/2)
TO MAIN
(1/2)
6
CN2809 CN5102
9
CN2809 CN5102
3
CN2808 CN5103
8
CN2809 CN5102
5
CN2809 CN5102
8
Q5153
MODE
SWITCH
Q5173
SWITCH
Q5154
MODE
SWITCH
CORRECTION
POINT
IC5301
C1AA00000755
C1BA00000487
2CH DIGITAL AMP
2
IN1+
3
IN1-
21
IN2+
22
IN2-
1
OSC
23
MODE
IC5301
C1AA00000755
C1BA00000487
2CH DIGITAL AMP
2
IN1+
3
IN1-
21
IN2+
22
IN2-
1
OSC
OSC
23
MODE
OUT1
OUT2
VDDA1
VSSA1
OUT1
OUT2
VDDA1
VSSA1
L5301
10
14
20
18
CORRECTION
POINT
L4301
10
14
20
18
RCH.H
RCH.L
LCH.H
LCH.L
JK5101
SPEAKER
RCH
RCH
LCH
LCH
SPEAKER
RCH.HIGH
SPEAKER
RCH.LOW
SPEAKER
LCH.HIGH
SPEAKER
LCH.LOW
TO MAIN
(2/2)
TO MAIN
(1/2)
TO MAIN
(2/2)
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
X5202
X5201
Q5201
FREQUENCY
Q5202
FREQUENCY
D5130
HOPPING
SWITCH
HOPPING
SWITCH
IC5201
C0JBAB000011
LOGIC
110
1A
5Y
2
1Y
3,6
2A,3Y
5
3A
IC5101
C0DAZYY00005
REGULATOR IC
42
5.6V VCC
1
3.3V
5
CTRL
Q5103,Q5104
FAN ON/OFF SWITCH
Q5111
+15V REGULATOR
Q5112,Q5114
CURRENT STABLISER
11V REGULATOR
D5126
Q5102
CURRENT CONTROL
SWITCH
Q5113
CURRENT LMIITER
SWITCH
Q5101,Q5110
CURRENT CONTROL SWITCH
26V REGULATOR
Q5108,Q5109
SWITCH
VOLTAGE REGULATOR
H5104 CN5950
1,2
H5104 CN5950
3,4
TO TRANSFORMER
H5104 CN5950
8
SA-AK450P/PC POWER DIAGRAM
3