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Order No MD0010168A3
AV Control Stereo Receiver
SA-DX940
Colour
(S) ... Silver Type
GT ... Taiwan
Please file and use this manual together with the service manual for
Model No. SA-DX940GCS/GN/GK-K/S Order No. MD0006099C3.
SPECIFICATIONS
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Amplifier Section
Power output at 1kHz each channel driven
DIN 1 kHz (T.H.D. 1%)
Front
2 x 100 W (6
)
Center
100 W (6
)
Surround
2 x 100 W (6
)
FM Tuner Section
Frequency range
87.5 - 108 MHz
General
Power Supply
AC 110V, 60 Hz
Maximum Power Consumption
540 W (6
)
*1 Manufactured under license from Dolby Laboratories
Licensing Corporation. "Dolby", the double-D symbol and "PRO
LOGIC" are trade marks of Dolby Laboratories Licensing
Corporation.
*2 This product is manufactured under license from DTS, Inc. of
America.
2000 Matsushita Electronics (S) Pte Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
1. Accessories
AC Power Supply ... 1 pc
2. Before Repair and Adjustment
Disconnect AC power, discharge Power Supply Capacitors C703 ~ C706 through a 10
, 10 W
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resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screw driver blade, for
instance), as this may destroy solid state devices.
After repairs are completed, restore power gradually using a variac, to avoid over current.
Current consumption at AC 110V, 60 Hz in NO SIGNAL mode should be 450 ~ 850 mA.
3. Cabinet Parts Location
4. Schematic Diagram
5. Printed Circuit Board
6. Change in Replacement Parts List
Notes:
* Mentioned in this parts list is only those different from Model No. SA-DX940GCS-S.
* Important safety notice: / Components identified by
mark have special characteristics
important for safety. / Furthermore, special parts which have purpose of fire-retardant
(resistors), high-quality sound (capacitors), low noise (resistors), etc. are used. / When
replacing any of these components, be sure to use only manufacturer's specified parts shown
in the parts list.
* The parenthesized in the Remarks columns specify the areas.
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* Capacitor values are in microfarad (
F) unless specified otherwise, P=Pico-farads(pF);
Farads.
* Resistance values are in ohms, unless specified otherwise, 1K=1,000(ohms).
* The "(SF)" mark denotes the standard part.
* [M] in the remarks column indicates parts supplied by MESA.
Reference for O/I book languages are as follows :
Ar : Arabic
Cf : Canadian French
Cz : Czech
Da : Danish
Du : Dutch
En : English
Fr : French
Ge : German
It : Italian
Ko : Korean
Po : Polish
Ru : Russian
Sp : Spanish
Sw : Swedish
Co : Traditional Chinese
Cn : Simplified Chinese
Ref No
Part No.
Part Name & Description
Remarks
CABINET AND CHASSIS
2
RGR0284E-F
REAR PANEL
[M]CHANGED
64
RMZ0339
ZENER COVER
[M]ADDED
DIODES
D618
MTZJ7R5CTA
DIODE
[M]CHANGED
SWITCHES
S968
EVQ21405R
SW
[M]ADDED
COILS & TRANSFORMERS
T701
RTP1Q5E023-V
POWER TRANSFORMER
[M]CHANGED
T751
RTP1H5E002
STANDBY TRANSFORMER
[M]CHANGED
COMPONENT COMBINATION
Z101
RAN0002EM
TUNER
[M]CHANGED
Z891
RCD12042TE
REMOTE SENSOR
[M]CHANGED
FUSES
F1
XBA2C63TB0
FUSE
[M]CHANGED
RESISTORS
R671
ERD25FVJ820T 82 1/4W
[M]CHANGED
R672
ERD25FVJ470T 47 1/4W
[M]CHANGED
CAPACITORS
C475
ECQB1H393JM3 0.039 50V
[M]CHANGED
C478
ECQB1H393JM3 0.039 50V
[M]CHANGED
C611
ECQB1H104JM3 0.1 50V
[M]CHANGED
C612
ECQB1H104JM3 0.1 50V
[M]CHANGED
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M
N
O
PQ
R
ELECTRICAL PARTS LOCATION
MAIN P.C.B.
G
Ref. No.
Lo. No.
Ref. No.
Lo. No.
Ref. No.
Lo. No.
Ref. No.
Lo. No.
Ref. No.
Lo. No.
Ref. No.
Lo. No.
IC451
IC601
IC602
IC651
IC652
Q551
Q552
Q553
Q554
Q601
Q602
Q603
Q604
Q605
Q651
Q652
Q701
Q703
Q704
Q706
Q707
Q708
Q723
Q724
Q725
Q771
Q772
Q773
Q774
Q775
Q776
Q777
Q778
Q779
Q780
Q781
D401
D601
D602
D605
D611
D612
D613
D614
D617
D618
D651
D652
D655
D701
D702
D703
D704
D705
D707
D708
D721
D722
D723
D724
D725
D726
D727
D728
D731
R470
R535
R536
R537
R538
R545
R550
R571
R572
R573
R574
R575
R576
R579
R580
R581
R582
R583
R584
R585
R586
R587
R588
R589
R595
R596
R597
R598
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
R613
R614
R615
R616
R617
R618
R619
R621
R622
R623
R624
R625
R626
R627
R628
R629
R630
R631
R632
R633
R634
R635
R636
R637
R638
R639
R640
R641
R642
R643
R644
R645
R647
R653
R654
R655
R656
R657
R658
R661
R662
R663
R664
R671
R672
R674
R679
R681
R682
R683
R684
R685
R687
R688
R689
R690
R698
R699
R705
R706
R707
R708
R711
R712
R713
R714
R720
R721
R722
R723
R724
R725
R726
R727
R728
R729
R730
R766
R767
R768
R769
R770
R771
R773
R774
R775
R776
R777
R778
R779
R780
R782
R784
R786
R791
R792
R793
R794
R795
R797
R798
R799
C406
C413
C414
C440
C451
C452
C453
C454
C455
C456
C457
C458
C459
C460
C461
C462
C463
C464
C465
C466
C469
C470
C535
C537
C538
C571
C572
C573
C574
C575
C576
C577
C578
C579
C580
C581
C582
C585
C586
C601
C602
C603
C604
C607
C608
C611
C612
C613
C614
C615
C616
C617
C618
C619
C621
C622
C625
C626
C633
C634
C635
C637
C638
C639
C640
C641
C642
C643
C644
C645
C646
C651
C652
C653
C654
C657
C658
C661
C662
C663
C664
C666
C667
C668
C671
C672
C685
C691
C701
C702
C703
C704
C705
C706
C707
C708
C709
C710
C711
C712
C713
C714
C715
C721
C722
C758
C771
C772
C773
C774
C775
C776
C777
C778
C779
C780
C781
D732
D768
D769
D770
D771
D772
D773
D774
D781
D782
L602
L603
L604
L651
L652
L751
RL601
RL602
RL603
RL604
CN901
CN902
CN903
CN904
CN905
CP101
CP401
CP402
CP403
CP711
CP1201
CP1202
CP1203
CP1204
JK401
JK601
JK603
E401
E601
W601
W701
W752
R419
R420
R440
R441
R442
R443
R451
R452
R453
R454
R455
R456
R457
R458
R459
R460
R461
R462
R463
R464
R465
R466
R469
3C
4I
7D
4F
6C
6D
6D
7C
7C
2J
2J
2J
6D
6D
3F
3E
6I
6I
6J
6D
7E
6I
5J
5J
6E
5C
5C
5C
5C
6C
5C
5C
5C
5C
4C
4C
3B
4K
3J
6F
2J
2K
2I
2J
6E
5D
5E
5E
6F
5J
6J
5J
6J
6I
7E
6I
7H
7G
7H
7G
7I
7I
7I
7G
6E
6E
5C
4C
5C
5C
5C
5C
6B
4C
4C
3I
2I
3I
3D
3D
8H
2J
1J
2F
2I
8I
8H
8G
8F
8E
3B
2E
3E
4E
2J
2D
3D
4D
6D
1C
1H
1G
2D
7J
2I
7K
8H
8D
8D
3B
4C
4C
3B
2C
2C
2C
2C
2C
2C
2C
2C
3C
3C
3C
3C
3C
3C
3C
3C
2C
C2
6D
6C
7C
7C
7E
6C
7D
7C
7D
7C
7D
7D
7C
6C
6C
6C
7C
7C
7C
7C
6D
6D
7C
6C
6D
7C
7C
5I
5I
5I
5I
4J
4J
3J
3I
3J
3J
5D
5E
5D
2J
2J
2J
2J
2J
2J
2J
6E
3K
3J
3K
3K
7F
4J
4I
4I
4J
4I
4I
4I
4J
4J
6D
6D
6E
5I
4J
3J
3I
5I
4E
4E
4E
4F
4E
4E
6E
6E
3D
3D
5F
5F
4D
6E
4E
4E
4E
4F
5F
5E
5E
7D
7D
6D
5E
6I
6I
6I
6I
6J
6J
7E
6E
5I
7E
7E
5J
5J
6I
5F
7E
5K
5K
4K
4C
4C
4C
4C
4C
4C
5C
5C
5C
5C
5C
5C
5C
6C
5B
5C
5C
1J
2J
2J
2I
2H
2G
2F
2F
2D
8D
8D
3B
2C
2C
2C
2C
2C
2C
2C
2C
3C
3C
3C
3C
3C
3C
3C
3C
2C
C2
6C
7C
7C
7D
7C
7D
7C
7D
7D
7C
7D
6D
6D
6C
6C
7C
7C
7D
7D
5I
5I
4J
4J
3J
3J
3J
3J
4I
4I
4I
4I
4I
4I
4I
3K
2K
2H
2H
1H
2G
2G
1I
1I
6D
5I
4J
3I
3J
3I
6D
4E
4F
4F
4E
4E
2E
2E
2E
2E
4F
4E
4F
4F
4E
5F
3E
6I
5K
8J
7I
7F
7E
6I
6I
6J
6D
7D
7E
6I
6I
6E
8I
8G
8H
4C
4C
5C
5C
6C
5C
5C
5C
5C
5B
4C