TECHNICS_SE-A3000_schematic.pdf

(9392 KB) Pobierz
(For United Kingdom)
(“EB” area code model only)
WARNING: DO NOT CONNECT EITHER WIRE TO THE
EARTH TERMINAL WHICH IS MARKED WITH THE
LETTER E, BY THE EARTH SYMBOL OR
COLOURED GREEN OR GREEN/YELLOW.
For your safety, please read the following text carefully.
THIS PLUG IS NOT WATERPROOF—KEEP DRY.
This appliance is supplied with a moulded three pin
mains plug for your safety and convenience.
A 5-ampere fuse is fitted in this plug.
Should the fuse need to be replaced please ensure that
the replacement fuse has a rating of 5-ampere and that it
is approved by ASTA or BSI to BS1362.
Check for the ASTA mark
Before use
Remove the connector cover.
How to replace the fuse
The location of the fuse differ according to the type of AC
mains plug (figures A and B). Confirm the AC mains plug
fitted and follow the instructions below.
Illustrations may differ from actual AC mains plug.
or the BSI mark
on the
body of the fuse.
If the plug contains a removable fuse cover you must
ensure that it is refitted when the fuse is replaced.
If you lose the fuse cover the plug must not be used until
a replacement cover is obtained.
A replacement fuse cover can be purchased from your
local dealer.
1. Open the fuse cover with a screwdriver.
Figure A
CAUTION!
IF THE FITTED MOULDED PLUG IS UNSUITABLE
FOR THE SOCKET OUTLET IN YOUR HOME THEN
THE FUSE SHOULD BE REMOVED AND THE PLUG
CUT OFF AND DISPOSED OF SAFELY.
THERE IS A DANGER OF SEVERE ELECTRICAL
SHOCK IF THE CUT OFF PLUG IS INSERTED INTO
ANY 13-AMPERE SOCKET.
Figure B
Fuse cover
If a new plug is to be fitted please observe the wiring
code as shown below.
If in any doubt please consult a qualified electrician.
IMPORTANT
The wires in this mains lead are coloured in accordance
with the following code:
Blue: Neutral, Brown: Live.
As these colours may not correspond with the coloured
markings identifying the terminals in your plug, proceed
as follows:
The wire which is coloured Blue must be connected to
the terminal which is marked with the letter N or coloured
Black or Blue.
The wire which is coloured Brown must be connected to
the terminal which is marked with the letter L or coloured
Brown or Red.
2. Replace the fuse and close or attach the fuse cover.
Figure A
Fuse
(5 ampere)
Figure B
Fuse
(5 ampere)
831601796.727.png 831601796.838.png 831601796.948.png 831601796.1059.png 831601796.001.png 831601796.112.png 831601796.200.png 831601796.211.png
 
O
SPEAKER TERMINAL(L) P.C.B.
CP191B
D
MAIN P.C.B.
3 . 1
W651-1
W655-2
W655-1
W651-2
WHT/RED
2
1
WHT/BLK
3 . 1
WHT/BLK
1
2
WHT/GRY
T1
(Power transformer)
BRN
ORG
BLK
RED
.
.
4
A
INPUT
TERMINAL
P.C.B.
ORG
.
3
BLK
RED
LEVEL
CONTROL
(R)
.
3
NORMAL
DIRECT
(L)
W401
.
3
.
3
(SOLDER SIDE)
CP703
1 . 3
CP303
.
5
CN303
CP191A
1 . 3
K
I
CURRENT
DRIVE
AMP(L) P.C.B.
VOLTAGE
CONTROL
AMP(L) P.C.B.
R
.
1
POWER
SW P.C.B.
CP701
1 2
CP655
CP1
3 . 1
.
1
WHT/BLK
WHT/ORG
1
2
CP653
W351-1
.
8
1 . . . . 6
W351-2
CP301
CN301
W202
W403
W601
1 . . . . 6
1 . . . . 6
1 . . . . . . . . . 11
1 . . . . . . . . 10
CP201
1 . . . . 6
W201
1 . . . . . . . . . 11
1 . . . . . . . . 10
1 . . . . 6
POWER
PHONES
G
LED P.C.B.
.
4
.
4
H
SPEAKER SELECT
LOGIC P.C.B.
W505
W604
W604
.
4
CP501
CP551
CP502
.
5
4 . . 1
5 . . . 1
10 . . . . . . . . 1
2 1
2 1
CP603
CP601
CP602
POWER METER
(L ch)
(R ch)
W551
CN602
.
1
.
1
F
SPEAKER SW P.C.B.
BLK
RED
.
5
RED
BLK
1
2
E
LIGHT SW P.C.B.
RED
BLK
1
2
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To MAIN CIRCUIT
(W403) on page 19
D
N
RELAY CIRCUIT (P.C.Board:on page 30)
1
2
3
4
5
6
7
8
9 10 11
To
SPEAKER
SELECT
LOGIC
CIRCUIT
(CP603)
on page 19
H
W603
CP403
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:SOURCE SIGNAL LINE
LAMP(1)
GND(1)
GND(2)
LAMP(2)
1
2
3
4
R660
1/4W120
R659
1/4W120
A
B
A
BC
B
CP405
A
W653
A
1
2
3
4
1
RL653
R655
1W180
R657
1W150
B
L353
C
1
3
2
D
2
4
3
SPEAKER TERMINAL
(L) CIRCUIT
(P.C.Board:on page 23)
R393
1/4W10
O
R656
1W180
R658
1W150
CP406
5
6
A
BC
A
1
2
3
4
B
C
CP651
JK651
D
1
2
W651 2
L651
CP351
RL651
2
A
A
L354
1
3
B
1
Lch
2
4
W651 1
L653
R394
1/4W10
CP352
5
6
A
2
B
B
1
D651
MA165 T A
W655 1
RL652
CP401
W655 2
A
1
2
3
1
3
B
A
B
C
2
4
SPEAKER
TERMINAL
(R) CIRCUIT
(P.C.Board:on page 28)
CB
A
SPEAKERS
P
CP402
5
6
A
1
2
3
R751
1/4W2.2
D652
MA165TA
B
D751
C
D752
CP652
JK652
R651
4.7K
14.1V
2
1
W652 1
L652
13.3V
14.1V
A
D753
Q651
2SC2458ABCTA
POWER SUPPLY
Rch
D754
W652 2
L654
14.1V
D751 754
1SR35200TB
R752
1/4W2.2
B
W656 1
A
B
W656 2
T1 (Lch)
D
AC
51.3V
FUSE CIRCUIT
(P.C.Board:on page 30)
CBA
POWER SW CIRCUIT
(P.C.Board:on page 30)
Q
R
C
B
1
2
3
AC
11.1V
CP653
A
R
JK653
HEADPHONES
C
L
G
AC
37.6V
AC
37.6V
CP3
F2 T2A
1
2
3
B
A
S1
(POWER)
C1
1000 P
W1 1
CP1
T2 (Rch)
1
2
3
W1 2
D
AC
51.3V
C
B
AC
11.1V
L1
A
CP2
3
2
AC IN
C
AC
37.6V
AC
37.6V
CP4
1
1
2
3
B
F1
T2A
230V/50Hz (E,EG)
230-240V/50Hz
(EB)
A
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:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:SOURCE SIGNAL LINE
K
CURRENT DRIVE AMP (L) CIRCUIT (P.C.Board:on page 29)
CAPACITOR CIRCUIT
(P.C.Board:on page 23)
Q353
2SC3944AQRS
PRE DRIVE
M
R355
1/4W680
51.3V
C AMP (Lch)
ICQ ADJ.
C701
71V33 00 0
C703
71V33 0 00
1V
Q361
R363
1/4W2.2
51.3V
Q357,361
2SC5198R
DRIVER
0.4V
0.4V
C353
680P
W701 1
W701 2
W701 3
R359
1/4W2.2
0V
51.3V
Q357
0.4V
1V
0V
CP301
CN301
3
2
1
8
8
CP701
B
0.7V
1.3V
CP655
7
7
D
R377
5W0.22
R379
5W0.22
R381
5W0.22
R383
5W0.22
1
2
A
Q351
2SC1815BGL
CURRENT
DRIVE (ICQ ADJ.)
6
6
B
R315
1/4W
3.3K
( )
(+)
( )
(+)
4
5
5
A
B
W351 2
A
3
2
1
4
4
W351 1
B
3
3
C
0V
Q401
2SB1036RSTTA
OVER LOAD DET.
2
2
D
A
C
E701
0V
1
1
TP301
R361
1/4W2.2
0V
10.8V
Q359
0.7V
51.5V
A
B
R365
1/4W2.2
0V
C355
680P
0.7V
R405
15K
W401
1
2
3
A
0.7V
51.5V
1.3V
B
Q363
R357
1/4W680
51.5V
C
D70 1
Q355
2SA1535AQRS
PRE DRIVE
Q359,363
2SA1941R
DRIVER
D7 03
A
B
B
A
C
CP303
CN303
D705
CP703
5
5
C
D
51.3V
1
2
3
A
4
4
D
B
R701 1/4W6.8
3
3
D707
2
2
E
E
51.5V
C
R703 1/4W6.8
1
1
D701,703,705,707
EGP30DL6414
L
CURRENT DRIVE AMP (R) CIRCUIT (P.C.Board:on page 29)
CAPACITOR CIRCUIT
(P.C.Board:on page 23)
Q354
2SC3944AQRS
PRE DRIVE
M
C AMP (Rch)
ICQ ADJ.
R356
1/4W680
51.3V
C702
71V33 00 0
C704
71V33 0 00
1V
Q362
R364
1/4W2.2
51.3V
Q358,362
2SC5198R
DRIVER
0.4V
0.4V
C354
680P
W702 1
W702 2
W702 3
R360
1/4W2.2
0V
51.3V
Q358
R316
1/4W3.3K
0.4V
CP302
CN302
0V
3
2
1
1V
1
1
CP702
C
CP656
2
2
A
0.7V
R382
5W0.22
R384
5W0.22
R378
5W0.22
R380
5W0.22
1
2
A
1.3V
TP302
3
4
3
4
Q352
2SC1815BGL
CURRENT
DRIVE (ICQ ADJ.)
B
(+)
( )
(+)
( )
1
A
B
W352 2
W352 1
A
2
5
6
7
5
6
7
B
3
C
0V
Q402
2SB1036RSTTA
OVER LOAD DET.
4
D
D
B
8
8
0V
R362
1/4W2.2
E702
0V
10.8V
Q360
0.7V
51.5V
A
B
R366
1/4W2.2
0V
C356
680P
0.7V
R406
15K
W402
1
2
3
A
0.7V
51.5V
1.3V
Q364
B
R358
1/4W680
51.5V
C
D702
Q356
2SA1535AQRS
PRE DRIVE
Q360,364
2SA1941R
DRIVER
D704
A
B
B
A
C
CP304
CN304
D706
CP704
5
5
C
D
51.3V
1
2
3
A
4
4
D
R702 1/4W6.8
B
3
3
D708
2
2
E
E
51.5V
C
1
1
R704 1/4W6.8
D702,704,706,708
EGP30DL6414
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831601796.857.png 831601796.858.png 831601796.859.png 831601796.861.png 831601796.862.png 831601796.863.png 831601796.864.png 831601796.865.png 831601796.866.png 831601796.867.png 831601796.868.png 831601796.869.png 831601796.870.png 831601796.872.png 831601796.873.png 831601796.874.png 831601796.875.png 831601796.876.png 831601796.877.png 831601796.878.png 831601796.879.png 831601796.880.png 831601796.881.png 831601796.883.png 831601796.884.png 831601796.885.png 831601796.886.png 831601796.887.png 831601796.888.png 831601796.889.png 831601796.890.png 831601796.891.png 831601796.892.png 831601796.894.png 831601796.895.png 831601796.896.png 831601796.897.png
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:SOURCE SIGNAL LINE
I
VOLTAGE CONTROL AMP (L) CIRCUIT
(P.C.Board:on page 25)
Q259
2SC2631RSTTA
CLASS AA AMP
Q263
2SK20130Y
MOS CLASS AA AMP
Q305
2SA1123RSTTA
FLOATING POWER SUPPLY
Q253
2SD1761EF
VOLTAGE
CONTROL AMP
(ICQ ADJ.)
Q255
2SC2458ABCTA
LIMITER
51.2V
51.2V
2.2 V
50.5V
Q263
R275
1/4W270
D
1.4V
51.2V
1.4V
49.9V
Q 253
Q301
2SC2631RSTTA
FLOATING
POWER SUPPLY
51.2V
2.2V
G
1 0V
2V
IC301
M5219P
DIFFERENTIAL AMP
(CASCADE /
CURRENT MIRROR)
0V
S
9.3V
2.5V
Q255
TP251
1.9V
0 .1V
(+)
1
R265
1/4W100
0V
0V
0V
9.3V
0V
2
5
6
7
8
( )
V AMP (Lch)
ICQ ADJ.
3
C321
680 P
R327
1.8K
C301
2700 P
R267
1/4W100
0V
4
3
2
1
Q257
9.5V
0V
0V
1.1V
2.3V
D259
MA4100MTA
R301
1/4W1.8K
0.4V
C307 220P
D267
MA165TA
0V
10.2V
Q303
2SA1123RSTTA
FLOATING
POWER SUPPLY
S
9.5V
G
1.9V
A
R277
1/4W270
D
51.3V
C303
6.3V100
50.3V
51.3V
2.5V
1.9V
Q265
B
Q307
2SC2631RSTTA
FLOATING
POWER SUPPLY
51.1V
R309
1/4W10
A
B
C
51.3V
CP201
51.3V
6
5
4
3
2
1
Q257
2SA1048ABCTA
LIMITER
Q261
2SA1123RSTTA
CLASS AA AMP
Q265
2SJ3130Y
MOS CLASS AA AMP
A
B
51.2V
To MAIN CIRCUIT
(W201) on page 18
D
C
51.3V
J
VOLTAGE CONTROL AMP (R) CIRCUIT (P.C.Board:on page 28)
Q260
2SC2631RSTTA
CLASS AA AMP
Q264
2SK20130Y
MOS CLASS AA AMP
Q306
2SA1123RSTTA
FLOATING POWER SUPPLY
Q254
2SD1761EF
VOLTAGE
CONTROL AMP
(ICQ ADJ.)
Q256
2SC2458ABCTA
LIMITER
51.2V
Q260
51.2V
2.2 V
Q264
50.5V
Q302
2SC2631RSTTA
FLOATING
POWER SUPPLY
R276
1/4W270
D
1.4V
51.2V
1.4V
49.9V
Q 254
51.2V
2.2V
G
1 0V
2V
IC302
M5219P
DIFFERENTIAL AMP
(CASCADE /
CURRENT MIRROR)
0V
S
9.3V
2.5V
Q256
R330
1/4W
100
TP252
C308
220P
1.9V
0 .1V
(+)
1
R266
1/4W100
0V
0V
1.1V
9.3V
0V
2
5
6
7
8
V AMP (Rch)
ICQ ADJ.
( )
R306
1/4W1.8K
3
C322
680 P
R328
1.8K
C302
2700 P
R268
1/4W100
0V
4
3
2
1
Q258
9.5V
0V
0V
0V
2.3V
R302
1/4W1.8K
0.4V
9.5V
0V
Q304
2SA1123RST TA
FLOATING
POWER SUPPLY
10.2V
S
G
A
1.9V
51.3V
R278
1/4W270
D
C304
6.3V100
51.3V
50.3V
2.5V
1.9V
Q266
B
Q308
2SC2631RSTTA
FLOATING
POWER SUPPLY
51.1V
A
B
51.3V
C
CP202
51.3V
6
5
4
3
2
1
Q258
2SA1048ABCTA
LIMITER
Q262
2SA1123RSTTA
CLASS AA AMP
Q266
2SJ3130Y
MOS CLASS AA AMP
A
B
51.2V
D
To MAIN CIRCUIT
(W202) on page 18
C
51.3V
831601796.898.png 831601796.899.png 831601796.900.png 831601796.901.png 831601796.902.png 831601796.903.png 831601796.905.png 831601796.906.png 831601796.907.png 831601796.908.png 831601796.909.png 831601796.910.png 831601796.911.png 831601796.912.png 831601796.913.png 831601796.914.png 831601796.916.png 831601796.917.png 831601796.918.png 831601796.919.png 831601796.920.png 831601796.921.png 831601796.922.png 831601796.923.png 831601796.924.png 831601796.925.png 831601796.927.png 831601796.928.png 831601796.929.png 831601796.930.png 831601796.931.png 831601796.932.png 831601796.933.png 831601796.934.png 831601796.935.png 831601796.936.png 831601796.938.png 831601796.939.png 831601796.940.png 831601796.941.png 831601796.942.png 831601796.943.png 831601796.944.png 831601796.945.png 831601796.946.png 831601796.947.png 831601796.950.png 831601796.951.png 831601796.952.png 831601796.953.png 831601796.954.png 831601796.955.png 831601796.956.png 831601796.957.png 831601796.958.png 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831601796.1019.png 831601796.1020.png 831601796.1021.png 831601796.1022.png 831601796.1023.png 831601796.1024.png 831601796.1025.png 831601796.1027.png 831601796.1028.png 831601796.1029.png 831601796.1030.png 831601796.1031.png 831601796.1032.png 831601796.1033.png 831601796.1034.png 831601796.1035.png 831601796.1036.png 831601796.1038.png 831601796.1039.png 831601796.1040.png 831601796.1041.png 831601796.1042.png 831601796.1043.png 831601796.1044.png 831601796.1045.png 831601796.1046.png 831601796.1047.png 831601796.1049.png 831601796.1050.png 831601796.1051.png 831601796.1052.png 831601796.1053.png 831601796.1054.png 831601796.1055.png 831601796.1056.png 831601796.1057.png 831601796.1058.png 831601796.1061.png 831601796.1062.png 831601796.1063.png 831601796.1064.png 831601796.1065.png 831601796.1066.png 831601796.1067.png 831601796.1068.png 831601796.1069.png 831601796.1070.png 831601796.1072.png 831601796.1073.png 831601796.1074.png 831601796.1075.png 831601796.1076.png 831601796.1077.png 831601796.1078.png 831601796.1079.png 831601796.1080.png 831601796.1081.png 831601796.1083.png 831601796.1084.png 831601796.1085.png 831601796.1086.png 831601796.1087.png 831601796.1088.png 831601796.1089.png 831601796.1090.png 831601796.1091.png 831601796.1092.png 831601796.1094.png 831601796.1095.png 831601796.1096.png 831601796.1097.png 831601796.1098.png 831601796.1099.png 831601796.1100.png 831601796.1101.png 831601796.1102.png 831601796.1103.png 831601796.1105.png 831601796.1106.png 831601796.1107.png 831601796.1108.png 831601796.1109.png 831601796.1110.png 831601796.1111.png 831601796.1112.png 831601796.1113.png 831601796.1114.png 831601796.1116.png 831601796.1117.png 831601796.1118.png 831601796.1119.png 831601796.1120.png 831601796.1121.png 831601796.1122.png 831601796.1123.png 831601796.1124.png 831601796.1125.png 831601796.1127.png 831601796.1128.png 831601796.1129.png 831601796.1130.png 831601796.1131.png 831601796.1132.png 831601796.1133.png 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