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ORDER NO. MD0707045SE
CD Stereo System
SA-AK450GCP
Colour (K) .... Black Type
Subject : Schematic Diagram (Correction)
Please use this service manual together with the service manual for Model No.[SA-AK450GCP-K, Order No. MD0703009CE].
© 2007 Matsushita Electric Industrial Co. Ltd.. All rights reserved. Unauthorized copying and distribution is a violation of law.
SA-AK450GCP
2
SA-AK450GCP
1 Block Diagram
1.1. Power Diagram
Note:With reference to Section 17.5 (Power Diagram) of the original service manual:
CORRECTION POINT
CN2809 CN5102 6 CN2809 CN5102 9
Q5153 MODE SWITCH Q5173 SWITCH Q5154 MODE SWITCH
IC5301
C1AA00000755 C1BA00000487
2 IN1+ 3 IN121 IN2+ 22 IN21 OSC 23 MODE
JK5101 L5301
2CH DIGITAL AMP
OUT1 10 OUT2 14 RCH.H RCH.L
SPEAKER
RCH SPEAKER RCH.HIGH SPEAKER RCH.LOW
RCH
CN2809 CN5102 3 CN2808 CN5103 8
VDDA1 20 VSSA1 18
IC5301
C1AA00000755 C1BA00000487
2 IN1+ 3 IN121 IN2+ 22 IN21 OSC 23 MODE
CORRECTION POINT
OUT1 10 OUT2 14 L4301 LCH.H LCH.L LCH SPEAKER LCH.HIGH SPEAKER LCH.LOW
2CH DIGITAL AMP
CN2809 CN5102 5 CN2809 CN5102 8
LCH
VDDA1 20 VSSA1 18
IC5201
C0JBAB000011
LOGIC
CN2809 CN5102 1
Q5201 FREQUENCY HOPPING SWITCH X5202 1 1A 2 1Y 3,6 2A,3Y 5 3A Q5202 FREQUENCY HOPPING SWITCH
5Y 10
X5201
Q5103,Q5104 FAN ON/OFF SWITCH D5126 Q5111 +15V REGULATOR Q5102 CURRENT CONTROL SWITCH Q5113 CURRENT LMIITER SWITCH Q5101,Q5110 CURRENT CONTROL SWITCH 26V REGULATOR Q5108,Q5109 SWITCH VOLTAGE REGULATOR
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
H5104 CN5950 1,2 H5104 CN5950 3,4 H5104 CN5950 8
IC5101 D5130
Q5112,Q5114 CURRENT STABLISER 11V REGULATOR
C0DAZYY00005
4 1 5 5.6V 3.3V CTRL
REGULATOR IC
VCC 2
SA-AK450GCP POWER DIAGRAM
3
SA-AK450GCP
4
SA-AK450GCP
2 Schematic Diagram
2.1. Power Circuit
Note:With reference to Section 19.5 (Power Circuit) of the original service manual:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
SCHEMATIC DIAGRAM - 8
POWER CIRCUIT
W679 0
A
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
B
Q5154 2SB0709AHL R5154 Q5173 100 B1ABCF000176 PCONT SWITCH R5153 SWITCH 100
R5148 1K +5V R5146 1K R5174 0
CORRECTION POINT IC5301 C1AA00000487 C1BA00000487 2-CH DIGITAL AMP
CORRECTION POINT IC5401 C1AA00000487 C1BA00000487 2-CH DIGITAL AMP
W751 0
B
OSC IN1+ IN1VDDA1 SGND VSSA1 PROT VDDP1 BOOT1 OUT1 VSSP1 STABI VSSP2 OUT2 BOOT2 VDDP2 VSSD VSSA1 SGND VDDA1 IN2IN2+ MODE
R5149 1K
W680 0 R5173 1K
R5523 1M
C5313 0.015u
C5319 0.015u
C5413 0.015u
C5416 0.47u
C5321 0.1u
(I/P_GND)
AGND
C5314 0.1u
C5318 0.1u
C5414 0.1u
C5418 0.1u
C5421
C5408 0.1u C5409 0.1u C5412 0.1u
C5420 0.1u C5422
C5309 0.1u C5312 0.1u
C5315 0.1u C5317 0.1u
C5305 330P
C5336 1000P
AGND
R5407 10
2 C5326 R5305 0 C5325 22 0.1u
220P 220P 220P 220P
C5329C5328 R5306
0 0.1u 22
C5330 C5331 C5332 C5333
C5430 220P C5424 0.47u C5429 C5428 R5406 0 0.1u 22 C5426C5425 R5405 0 0.1u 22 C5427 0.47u C5117 35V470 AGND L5403 J0JKB0000037
5.6K C5404 0.47u D5156
D5153 D5154
AGND (O/P_L_GND)
D5155
AGND (O/P_R_GND)
C5431 220P C5432 220P
L5402 J0JKB0000037
C5118
C5433 220P
AGND
C5405 330P
E
C5324 0.47u
4 C5327 0.47u
L5401 G0C220Z00002
C5436 1000P
R5404C5406 5.6K 0.47u R5403
2
4
R5408 10
L5301 G0C220Z00002
1
3
R5138 R5139
R5307 10
R5308 10
C5402 C5437 R5401 330P 1000P 5.6K C5401 0.47u
1
3
R5140 R5141
LO_R
C5306 0.47u R5304 5.6K
AGND W682 0
10 10
R5402 C5403 5.6K 0.47u
10 10
AGND
(O/P_GND) (I/P_GND)
0.1u C5423 0.1u
C5308 0.1u
C5323 0.1u
D
R5303C5304 5.6K 0.47u
C5320 0.1u C5322 0.1u
C5415 C5417 0.1u 0.1u (O/P_GND)AGND (I/P_GND) AGND
0.1u
R5302C5303 5.6K 0.47u
C5410 C5411 0.1u 220P
C5310 C5311 0.1u 220P
MUTE_F MODE +5V W681 0 PCONT
C5337 1000P
C5302 330P
R5522 1M
R5419 0
R5524 1M
R5301 C5301 5.6K 0.47u
C5419 0.015u
R5521 1M
C5316 0.47u
W690 0
C
AGND GND1 HI_R
1 Q5153 B1ABCF000176 MODE SWITCH
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OSC IN1+ IN1VDDA2 SGND VSSA2 PROT VDDP1 BOOT1 OUT1 VSSP1 STABI VSSP2 OUT2 BOOT2 VDDP2 VSSD VSSA2 SGND VDDA2 IN2IN2+ MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Q5153 Q5173
AGND
C5121 47u
W712 0
C
D
E
AGND
C5210 47P R5202W748 100K 0 C5201 470P R5205 100K
F Q5201 B1ABCF000176 FREQUENCY HOPPING Q5202 B1ADCF000063 FREQUENCY HOPPING
SWITCH SWITCH
R5210 0 1 1A 2 1Y 3 2A 4 2Y R5206 1M 5 3A 6 3Y VCC 14 6A 13 6Y 12 5Y 10 4A 9 4Y 8 C5205 0.1u
AGND
C5118 35V470 D5157-D5160 B0JAME000119 D5159 D5160 D5157 D5158
L5102
R5207 6.8K
R5413 100K
R5313 150K
R5312 56K
C5105 10V220u
R5111 100K
C5155 1000P
C5208 X5202 6.3V220u H2A375300003
DC_DET
AGND FAN
+VCC2
-VCC2
D5126 B0ACCK000005
HI_L LO_L
R5150 220K
R5317 10K
R5417 10K
+5V
R5412 220K
R5209 10
X5201 H2A415300001 7 GND C5204 100P AGND
R5112 390K
R5113 390K
G
Q5202
LOW_R
Q5201
C5202 100P
IC5201 11 5A
L5101 J0JKB0000037
C5203 100P X5202
J0JKB0000037
R5201 1K F_HOP C5701 R5204 100K 100 AGND
D5153-D5156 B0JAME000119 C5123 35V470 C5124 35V470
F
LLLHRH+ RL+
R5203 10K
R5514 0
C5123
IC5201 C0JBAB000011 LOGIC
Q5103,Q5104 B1ABCF000176 FAN ON/OFF SWITCH Q5104 Q5103
G
H
G1
G2
1/2 2/2
SA-AK450GCP POWER CIRCUIT
H
5
SA-AK450GCP
6
SA-AK450GCP
3 Illustration of ICs, Transistors and Diodes
Note:With reference to the original service manual:
Model No. SA-AK450GCP-K Section No. 21. Page No. 85
BEFORE AMENDMENT
C0AABB000125 C1BB00001121 (100P) MN6627954MA (100P) C2CBYY000423 (100P) C0HBB0000057 (44P) MNZSFB5KJM1 (64P)
1
8 4 5
C0ABBB000244 (8P)
C1AA00000612
C0CBAHG00011
1
1
1
5
AN7326K (26P)
BA5948FPE2
C0GAG0000007
C0DBZGC00067
C0JBAB000011(14P) C1BA00000487 (24P)
C0DAZYY00005
WRONG DIAGRAM FOR C1BA00000487
28 22 21
5
15
1
1 7 8 14
4
9 1
1
1
2
3
1
3
5
CNB13030R2AU
3 1 2 4 3
C3EBEG000072 (8P)
B1GACFJJ0018
2SD09650RA
B1DEGM000026
B1AAKD000014 B1ACKD000006
1
B
C
E
E
G C B
S
2
D
4
E
C
B
B1BACG000023 B1BCCG000002
B1AAGC000006
B1AACF000064 2SC3940A0A B1GACFGA002
B1GDCFGH0002 B1GBCFGG0030
B1ABCF000011 B1GBCFGH0001 B1GDCFJJ0002
C
2SB0621AHA
E
E
B C B
C
B E
B C E
C
E
B
2SB0709AHL B1ABCF000176 B1ABGC000005 B1ADCF000063 B1GBCFJJ0051 B1GDCFNA0001 B1GBCFLL0037 B1GBCFJN0033
B1ADCF000001 B1GDCFJJ0047
B1AAGC000007
B0BA02600018
Ca C athode A
B0BC5R600003
B0BA5R000004
Anode A Cathode Ca
B
C
Anode
E
B0JAME000025
Ca
MAZ80560ML
C athode
B0ADCC000002
B0BC9R000008 B0BC8R100004
C athode
B3AAA0000583 B3AEA0000083 B3AEA0000074
Anode A Cathode Ca
Cathode A
Ca
Ca
Anode
Anode
A
Anode
A
B0ADCJ000020
A Anode
D0GBR00JA008 B0BA6R800008 B0BA02400029 B0BA02400030
A Ca
B0EAMM000055 B0EAKP000134 B0AAFK000004
B0ACCK000005
Anode
C athode
Ca Cathode
Ca Cathode
Cathode A
A
Ca Cathode
Anode
Anode
A Anode
Ca
B0BA01900005
B0BA01100004 B0BA01500003
B0EAKM000117
MA2C16500E
Ca
B0JAME000119
Ca C athode A Anode
Ca Cathode
Ca
C athode
A
Cathode
A Anode
A
Anode
Anode
7
SA-AK450GCP
AFTER AMENDMENT
C0AABB000125 C1BB00001121 (100P) MN6627954MA (100P) C2CBYY000423 (100P) C0HBB0000057 (44P) MNZSFB5KJM1 (64P)
1
8 4 5
C0ABBB000244 (8P)
C1AA00000612
C0CBAHG00011
1
1
1
5
AN7326K (26P)
BA5948FPE2
C0GAG0000007
C0DBZGC00067
C0JBAB000011(14P)
C1BA00000487
CORRECTED DIAGRAM FOR C1BA00000487
28 22 21
5
15
1
1 7 8 14
4
9 1
1
1
1
2
3
23
C0DAZYY00005
CNB13030R2AU
3 1 2 4 3
C3EBEG000072 (8P)
2SD09650RA
B1DEGM000026
B1AAKD000014 B1ACKD000006
1
1
E
G C B
S
3
5
2
D
4
E
C
B
B1BACG000023 B1BCCG000002
B1AAGC000006
B1AACF000064 2SC3940A0A B1GACFGA002
B1GDCFGH0002 B1GBCFGG0030
B1ABCF000011 B1GBCFGH0001 B1GDCFJJ0002
C
2SB0621AHA
E
E
B C B
C
B E
B C E
C
E
B
2SB0709AHL B1ABCF000176 B1ABGC000005 B1ADCF000063 B1GBCFJJ0051 B1GDCFNA0001 B1GBCFLL0037 B1GBCFJN0033
B1ADCF000001 B1GDCFJJ0047
B1AAGC000007
B1GACFJJ0018
B0BC5R600003
B0BA5R000004
Anode A Cathode
B
B
C
C
Ca
E
E
B0JAME000025
Ca
MAZ80560ML
C athode
B0ADCC000002
B0BC9R000008 B0BC8R100004
C athode
B3AAA0000583 B3AEA0000083 B3AEA0000074
Anode A Cathode Ca
Cathode A
Ca
Ca
Anode
Anode
A
Anode
A
B0ADCJ000020
A Anode
D0GBR00JA008 B0BA6R800008 B0BA02400029 B0BA02400030
A Ca
B0EAMM000055 B0EAKP000134 B0AAFK000004
B0ACCK000005
Anode
C athode
Ca Cathode
Ca Cathode
Cathode A
A
Ca Cathode
Anode
Anode
A Anode
Ca
B0BA01900005
B0BA01100004 B0BA01500003
B0EAKM000117
MA2C16500E
Ca
B0JAME000119
Ca C athode A Anode
B0BA02600018
Ca C athode A Anode
Ca Cathode
Ca
C athode
A
Cathode
A Anode
A
Anode
Anode
8
YSP0706