How it Works
Technics
Loading...
SA-DX940
User Manual [fr]
79 pgs16.63 Mb1
Schematic
18 pgs697.35 Kb0
Owners manual
44 pgs1.71 Mb0
User manual
39 pgs6.15 Mb0
User Manual
40 pgs2.54 Mb0

Technics SADX-940 Schematic

SCHEMATIC DIAGRAM
A
IN/OUT TERMINAL CIRCUIT
AUDIO
JK402
Lch
CD
JK402
Lch
REC(OUT)
TAPE
JK402
Lch
PLAY(IN)
JK402
Lch
TV IN
JK402
Lch
OUT
VCR
JK402
Lch
IN
VIDEO
JK351
OUT
VCR
IN
JK351
DVD IN
TV MONITOR
OUT
JK351
TV IN
AUDIO
SUB WOOFER
OUT
B
To SURROUND CIRCUIT(W1205) on SCHEMATIC DIAGRAM-5
47P
C329
75
R303
75
R301
47P
C330
75
R302
330P
C419
GND
SW DSP
SW LPF IN
SW FMIX
L DSP R DSP
+B(9)
R DOUT
L DOUT
VDD DT VR CK VR
R401
1K
R402
1K
R405
1K
R406
1K
R407
1K
R408
1K
R409
1K
R410
1K
R411
1K
R412
1K
R413
1K
R414
1K
R362
75
C373
16V47
C374
16V47
R359
75
C375
16V47
R428
1K
1 2 3 4 5 6 7 8
9 10 11 12
CN1205
-
1
NOTE: The number which noted at the connectors on the schematic diagram as
"SCHEMATICDIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
C421
C422
C425
C426
C427
C428
C429
C430
C431
C432
C433
C434
R373
R374
R375
R429
100P
100P
330P
330P
330P
330P
330P
330P
100P
100P
100P
100P
10K
10K
10K
100K
4.9V
C420
50V3.3
9.2V
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
A B C D E F G H
I J K
B
A
0.01
C1218
C1219
IC1203 NJM4580DD
BUFFER AMP
C
F
16V10
H
D
E G J
K
:POSITIVE VOLTAGE LINE :FM/ AM SIGNALLINE :NEGATIVEVOLTAGE LINE
R1220
C1216
1K
16V33
2.2K
0.1
R1222
R1229
2.7K
R1207
3.9K
R1208
3.9K
R1230
2.7K
C1275
0.047
C1282
50V4.7
C1281
50V4.7
R1223
R1219
2.2K
C1205
470P
C1206
470P
Rch IN
Lch IN
6.8K
8765
C1242 50V4.7
0V0V
14.4V0V0V
C1217
C1295 16V22
0.47
100K
C1249
R1221
-
16.2V
4 3 2 1
C1236
R1225
10K
R1226
100K
R1224
C1203 16V33
3300P
C1201
3300P
C1202
C1204 16V33
I
36 35 34
Vcc
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
4.6V 4.6V 4.6V 4.6V 4.6V 0V 0V
3.3K
R1203
1K
33K
R1201
3300P
C1222
3300P
C1248
33K
R1202
R1204
1K
4.9V
-
16.2V
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
:SUB WOOFER SIGNAL LINE
IC1202 NJM4580DD
VREF
4 3 2 1
47K
R1256
0.01
IC1208 M62490FPE1
SOUND CONTROLLER (VOLUME CONT.)
25V10
C1287
9.2V
0.22
C1221
47K
R1217
4567 123
Vcc
Vss
111098 14
-
47K
R1218
16V10
C1213
C1297 50V2.2
14.4V0V 0V 0V 0V
12
16.2V0V 0V 0V 0V C1211
0.01
C1298 50V2.2
C1284 50V4.7
C1283 50V4.7
-
16.2V
47K
R1286
R1215
R1210
R1294
5.6K
13
3.3K
47K
R1281
47K
R1213
3.3K
C1209
390P
C1210
390P
R1214
3.3K
14.4V
0.01
C1289
8.6V8.6V
8765
9.2V4.6V4.6V4.6V
16V33
C1274
16V10
C1285
C1288
0.01
5.6K
R1216
IC1201 NJM2060D
BUFFER AMP
R1284
1K
R1285
1K
16V10
C1286
Rch OUT
Lch OUT
D1281
MTZJ10BTA
C1294
0.01
R1209
3.3K
C1291
DD
NC
V
GND
0.039
C1293
C1212
R1293
100P
Q1201 2SD2137PQTA
REGULATOR
9.2V 14.4V
9.8V C1290
0.01
R1282
2.2K
0.01
47K
CLK1DT1
0V4.9V4.6V4.5V4.6V4.6V9.2V
C1273 16V33
100P
C1292
16V10
C1214
SCHEMATIC DIAGRAM-2
:POSITIVE VOLTAGE LINE
IC401 TC9163AN
A
B
P N
C401
C402
50V4.7
50V4.7
SIGNAL SELECTOR (AUDIO)
0.01
C403
0.01
C404
R415
1K
R416
1K
R423
1K
R424
1K
:NEGATIVEVOLTAGELINE
GIBDHLJFB DC
0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V14.1V
V
DD
Vss
1
-
16.2V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V
C411
100P
100K
R421
C412
100P
100K
R422
C409
16V22
-
5V
21 876453
21 3
FHACGK IE A B
IC402
C417
16V10
C418
16V10
R417
R418
47K
47K
NJM4580DD
BUFFER AMP
0V 0V 0V 14.4V
5 6 7 8
-
16.2V 0V 0V 0V
0.01
C415
IC351 NJM2279D
SIGNAL SELECTOR (VIDEO)
6dB
75
DRIVER
AMP
75
6dB
AMP
DRIVER
1234
5V0V0V 4.2V0V
891011121314
:FM/ AM SIGNAL LINE :SUB WOOFER SIGNAL LINE
AE
0.01
C410
C416
16V22
Q351 2SD592AQSTA
REGULATOR
5V
5.6V
0.1
C309
C354
6.3V100 D351
R427
MTZJ5R6BTA
10K
87645
-
16.2V
13.7V
0.01
C357
C351
6.3V100
R425
C405
14.4V
10K
100P
R371
22
R369
1.8K
R426
GNDSTB
10K
CLKDATA
1516171819202122232425262728
141312111098765432
CN401
CN402
16.2V
1 2 3 4 5 6 7
1 2 3 4 5 6 7
DVD L DVD R A.GND A.GND SW IN SOUT L SOUT R
+B(1)
-
B(1) CK 63 DT 63 ST 63 V SELA V SELB
G
To MAIN CIRCUIT(CP401) on SCHEMATIC DIAGRAM
-
12
G
To MAIN CIRCUIT(CP402) on SCHEMATIC
-
DIAGRAM
12
14.4V
A B
-
C D
E
A B
D352
C352
R370
6.3V100
15.7V
C358
0.01
1.8K
R372
22
C308
6.3V100
-
5.6V
-
5V
Q352 2SB621AQSTA
REGULATOR
MTZJ5R6BTA
-
0V 4.7V 0V 0V 0V
Q O M
R
RVD1SS133TA
RVD1SS133TA
R367 1K
R368 1K
7654321
D354
D353
B
A
0.1
C355
CN403
F
G
H
I
1 2 3 4 5 6 7
PH L PH R A.GND TU L IN TU R IN V.GND V.GND
G
To MAIN CIRCUIT(CP403) on SCHEMATIC DIAGRAM
-
12
SCHEMATIC DIAGRAM-3
SURROUND CIRCUIT
B
1 2 3
1 2 3
1 2 3
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
C1320
0.1
CN1001B
CN1002B
R404
1K
R403
1K
R432
2.2K
R431
2.2K
R434
5.6K
R433
2.2K
C1303
C1309
C1306
Z1307
Z1306 Z1304
0.1
0.1
0.1
DVD
DVD
DVD
JK1301
TV
(OPTICAL)
DIGITAL
JK1302
DVD
(OPTICAL)
JK1303
CD
(OPTICAL)
C
To DTS CIRCUIT (CN1001) on SCHEMATIC DIAGRAM-7
C
To DTS CIRCUIT (CN1002) on SCHEMATIC
-
DIAGRAM
7
JK403
Lch
JK404
SR ch
SL ch
JK404
SW ch
E1301
OVL/ ERR
CS RESET
SCD OUT
OUT
GND
Vcc
OUT
GND
Vcc
OUT
GND
Vcc
CM IN
SW IN
CIN
RS IN
LS IN
RIN
LIN
+B(7)
A.GND
AD RIN+
AD RIN-
AD LIN-
AD LIN+
PDN
DIN3
D.GND D.GND D.GND
+B(6) DIN2 +B(5) +B(5)
DIN1
POWER
CS42
CD OUT
CD IN
C CLK
CS49
INT REQ
CA16 CA17
NC
330P
C424
330P
C423
330P
C436
330P
C435
330P
C438
330P
C437
C1301
15P
C1302
0.01
R1301
3.3K
C1308
15P
R1308
3.3K
C1304
15P
R1304
3.3K
C1319
0.1
R1310
C1313 25V47
Z1308 Z1302
Z1303
Z1305
4.9V
1K
R1302
C1307
0.01
4.9V
1K
R1307
C1305
0.01
4.9V
1K
R1305
10
4.9V
4.9V
2.6V
R472
R471
R474
R473
C1310
0.1
C1318
0.01
C D
E
F G H
I
J
K
L M
4.7K
4.7K
2.2K
4.7K
R1303
R1309
R1306
A B C D E F
A B A B C D
:POSITIVE VOLTAGE LINE
:FM/ AM SIGNAL LINE :CENTER SP SIGNAL LINE:NEGATIVEVOLTAGELINE
IC404 TC9162AN
SIGNAL SELECTOR (AUDIO)
5
9
DATA
C1243 50V4.7
11 10 9 814 13 12
Vss
Vcc
4 5 6 71 2 3
1
2
3
4
7
CLK
-
14.2V
28
0V
27
0V
26
25
0V
24
0V0V
23
0V
22
0V
21
0V
20
0V
19
0V
18
0V
17
0V
16
0V
15
-
16.2V
3900P
C1227
16.2V 0V 0V0V0V
-
16.2V Vss VDD
1
1
0V
G
H
I
47
47
47
L1303 1 HZ1301
J
K
L
R446
10K
M
D
C1245 50V4.7
47K
R1259
B
4700P
C1235
C
4700P
C1224
2
0V
3
0V
4
0V
5
6
0V
7
0V
8
0V
9
0V
10
0V
11
0V
12
0V
STB
13
100P
C439
C1237 16V33
C1226 16V33
GND
14
47K
R1257
C1225 16V33
4700P
C1223
0V 0V 0V 0V14.4V
C1241
330P
2.2K
6.8K
R1251
R1249
1K
R1247
120K
R1241
120K
R1228
2
3
4
5
9
7
R1227
C1239 3900P
R1234
1K
120K
R1233
1K
C1232
0.01
C1234 16V10
3900P
C1228
:SURROUND SP SIGNAL LINE :SUB WOOFER SIGNAL LINE
C442
50V4.7
C441
50V4.7
N
O
P
Q
R444
2.2K
R1237
2.2K
R1240
R1235
6.8K
C1229
330P
C1230
330P
10K
R445
10K
R1236
6.8K
4.9V
2.6V
R
S
0.01
C1231
IC1204 NJM2060D
BUFFER AMP
C1244 50V4.7
14.4V
4.9V
16V10
C1233
47K
R1258
C444
C443
0.01
0.01
R439
R438
1K
1K
16.2V
-
SCHEMATIC DIAGRAM-4
P
0.01
C487
C493
16V10
J
K
0.01
C494
:POSITIVE VOLTAGE LINE
:FM/ AM SIGNAL LINE :CENTER SP SIGNAL LINE:NEGATIVEVOLTAGELINE
C980
50V4.7
47K
R484
9.2V
36 35 34 33 32 31 30 29 28 27 26 25
Vcc
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
4.6V 4.5V
50V4.7
47K
R485
50V4.7
47K
R483
9.2V
36 35 34 33 32 31 30 29
Vcc
C481
C482
4.5V
S.W IN
LS IN
4.5V
CIN
IC405 M62490FPE1
SOUND CONTROLLER (VOLUME CONT.)
IC406 M62490FPE1
SOUND CONTROLLER (VOLUME CONT.)
C488
50V4.7
4.6V 4.5V
4.6V
C485
50V4.7
C484
50V4.7
4.6V 4.5V
28 27 26 25 24 23 22 21 20 19
24 23 22 21 20 19
4.5V
4.6V
S.W OUT
LS OUT
4.6V
4.6V
C OUT
4.9V 0V
DD
NC
V
GND
0V 0V
C478
0.039
4.9V 0V
DD
NC
V
:SURROUND SP SIGNAL LINE :SUB WOOFER SIGNAL LINE
0.01
C476
R491
1K
100P
C491
CLK2DT2
100P
C490
R489
1K
T
U
16V10
CLK3DT3
C499
C492
0.01
100P
R490
1K
C489
4.9V
9.2V
N
O
4.9V
N
I
IC407 NJM4580DD
VREF
C1238
50V4.7
0.01
C1251
IC1205 NJM4580DD
BUFFER AMP
1 2 3 4 5 6 7 8 9 10 11 12 13
R482
47K
9.2V 4.6V 4.6V 4.6V
8 7 6 5
8.6V 8.6V
14.4V 0V 0V
8 7 6 5
0V 0V 0V R1250
5.6K
C1296
C1246
0.047
50V4.7
RS IN
4.6V 4.5V
R488
47K
33K
R1242
50V4.7
4321
4321
-
C479
R478
16.2V
47K
C486
470
R1248
25V10
16V10
C1269
4.9V
N
4.6V
C1267
C472
50V4.7
0.01
16V10
C1272
C1271
R1265
R1263
4.7K
IC1206
C1263
NJM2115D
390P
BUFFER AMP
4.9V 2.4V 2.4V 2.4V
8 7 6 5
2.4V 2.4V 2.4V C1265
150P
R1269
10K
R1267
10K
N
16V10
16V10
C1260
GND
RS OUT
14 15 16 17 18
4.5V
4.6V
C1261
22K
16V10
220K
R1261
4321
10K
C1270
R1272
0V 0V
C475
0.039
4.9V 2.4V 2.4V 2.4V
8 7 6 5
2.4V 2.4V 2.4V C1266
150P
R1270
10K
R1268
10K
N
N
16V10
16V10
C1268
C477
R1266
C1264
100P
4.7K
390P
R486
1K
22K
R1264
IC1207 NJM2115D
BUFFER AMP
C1262
16V10
R1262
4321
220K
V
W
X
R1271
10K
9.2V
47K
R1260
100
R1206
0.01
C1252
CD BA
-
16.2V
14.4V
4.9V
2.6V
4.9V
SCHEMATIC DIAGRAM-5
SURROUND CIRCUIT
B
R1929
R1930
100
R1945
100
R1942
100
R1943
100
C1711
16V10
4.9V
10K
47K
R1707
820
100
0V
4.9V 0V 0V 0V 0V 0V 0V
4.9V 0V 0V 0V 0V 0V 0V
4.9V
0.01
C1903
0V
D1902
RVD1SS133TA
Q1703 2SC1740SSTA
POWER SUPPLY
12.8V
0.01
C1706
C1707
16V100
D1705
2.6V
MTZJ6R2CTA
E
4700P
C1909
D
R1935 100
F
R1936 100
D
R1937 100
E
R1934 100
H
R1931 100
G
R1932 100
F
R1933 100
K
C1906 0.01
R1938 100
A
R1939 100
B
R1941 100
C
C
B
I
Q1901 RVTDTC114YST
RESET
R1708
R1709
330
330
:POSITIVE VOLTAGE LINE
:FM/ AM SIGNAL LINE :CENTER SP SIGNAL LINE:NEGATIVEVOLTAGELINE
10K
R1915
R1922 100K
R1923 1K
R1924 1K
R1940 10K
R1925 1K
R1926 1K
D1905
RVD1SS133TA
0V
0V
0V
0V0V0V
0V0V0V
CLOCK
HG
120
R1904
D1901
MTZJ3R9ATA
D1706
4.9V
DATA
4.9V
INIT
IC1901 M38B57M6153F
SYSTEM CONTROL
INT2
RESET
4.9V
13
R1910 1K
R1909 1K
R1946 1K
4.9V
R1905
270
H
L1901
100
C1710
6.3V47
R1715
3.9K
R1712
3.9K
C1705
50V1
3.9K
R1711
100K
R1903
C1902
GND
CF1901
2
6.3V100
XIN
2.2V
1K
R1901
X OUT
2.4V
0.1
C1901
DD
V
0V0V0V
4.9V
R1911 1K
Q1701
5.5V
R1710
R1912 1K
50V1
C1908
2.7K
R1913 1K
8.1V4.9V
CD OUT
CS42
65
S CLK
66
S OUT
67
SIN
68
CS49
69
C CLK
70
CD IN
71
SCD OUT
72
AVss
73
VREF
74
VOLUME
75
REQS
76
POWER
77
REQ M
78
PDN
79
CS RESET
80 25
CA18
CA17
CA16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
0V0V0V0V0V0V0V
R1907 100
R1906 100
C1910 100P
ML
Q1902 2SA933SSTA
POWER SUPPLYC1904
50V1
4.2V
0.01
C1905
5.5V
IC1701
6.2V
PQ30RV11
REGULATOR
1 2 3 4
4.9V 2.6V 1.3V
RVD1SS133TA
414243444546474849505152535455565758596061626364
MUTE A
­DATS CLK S STB S
OVL ERR
INT REQ
HOLD
5V5V5V
0V
0V
R1917
C1911 1000P
R1928 100
R1916 100
R1914 1K
AJ
0.01
4.7K
C1907
R1902
R1702
4.7
Q1702
R1701
4.7
8.1V4.9V
5.5V
Q1701 2SD2137PQTA
REGULATOR
Q1702 2SD2374PQAU
REGULATOR
4.9V
VP
1K
:SURROUND SP SIGNAL LINE :SUB WOOFER SIGNAL LINE
40 39 38 37 36 35 34 33
R1920 1K
0V
32
R1919 1K
0V
31
R1918 1K
0V
30
4.9V
29 28
0V
27
0V
26
0V
D1903
RVD1SS133TA
M R S
14.4V
H T V U
A B
C D E F
C1215
A O G F E
G H
9.2V
N
O
CN1201
CN1202
CN1203
CN1204
W1205
CN702
2200
C1702
1 2 3 4 5 6 7
7 6 5 4 3 2 1
1 2 3 4 5 6 7
7 6 5 4 3 2 1
1 2 3 4 5 6 7 8
9 10 11 12
3
2
1
DVD L DVD R A.GND A.GND A.GND SINL SINR
VR PS VR REF ST SEL DT SEL CK SEL
-
B(1)
+B(1)
SW OUT SL OUT SR OUT C OUT L DOUT A.GND R DOUT
CM RQS CM RQM CM DO CM DI CM CK MUTE S SD
GND SW DSP SW LPF IN SW FMIX L DSP R DSP +B(9) RDIN LDIN VDD DT VR
CK VR
+B(4)
+B(4)
GND
G
To MAIN CIRCUIT (CP1201) on SCHEMATIC DIAGRAM
-
12
G
To MAIN CIRCUIT (CP1202) on SCHEMATIC
-
DIAGRAM
To MAIN CIRCUIT (CP1203) on SCHEMATIC DIAGRAM
To MAIN CIRCUIT (CP1204) on SCHEMATIC DIAGRAM-12
To POWER TORANSFORMER CIRCUIT(W702) on SCHEMATIC DIAGRAM-16
12
G
-
12
G
A
To IN/OUT TERMINAL CIRCUIT (CN1205) on SCHEMATIC DIAGRAM-1
J
L Q
W X
4.9V
-
16.2V
0.1
SCHEMATIC DIAGRAM-6
DTS CIRCUIT
C
2.6V
R1019 10K R1018 10K R1017 10K R1016 10K
R1015 10K R1014 10K R1013 10K R1012 10K
:POSITIVE VOLTAGE LINE
0.1
C1024
C1003
6.3V100 10K
R1023
R1024 4.7K
A
2.6V
0V
5
EMOE
0V
SCCLK
2.6V
2.6V
2.6V
2.6V
2.6V
2.6V
2.6V
2.6V
2.6V
7
DATA7
8
DATA6
9
DATA5
10
DATA4
11
VDD2
12
Vss2
13
DATA3
14
DATA2
15
DATA1
16
DATA0
17
B
SCDIN
CS
2.6V
SCD OUT
1.3V
1V
2.6V
0V0V0V 4 40414243446 123
DD1
Vss1
V
EMWR
XMT958
IC1001 CS49326-CLR
AC3/ DTS DECODER DSP
DD3
INTREQ
EXTMEM
SDATA N1
V
1V
1.3V
2.6V
2.6V
C1006
1.6V
MCLK
Vss3
1.6V
6.3V100
0V
1.6V
SCLK
LRCLK
SCLK N1
LRCLK N1
27262524232221201918
1.6V1V1.6V
AU DATA0
CMP DAT
28
C1025
0V
0.1
AU DATA2
AU DATA1
DB CLK
CLK SEL
CMP REQ
CMP CLK
DB DA
RESET
VssA
DDA
V FILTS FILTD
CLK IN
A
B C
0V
39 38 37 36 35 34 33 32 31 30 29
2.6V
2.6V
2.6V
2.6V
2.6V 0V 0V
1.2V
1.6V
R1027 4.7K R1029 4.7K
C1007 50V2.2
R1025 10K
R1026
33
D
33K
R1028
0.01
C1031
2.6V2.6V
0.1
C1029
C1008
6.3V100
470P
C1030
C1004
6.3V100
0.1
C1040
E
A
B
C
D
C1005
6.3V100
R1033
1K
R1034
1K
R1035
1K
R1036
1K
C1026
2.6V
C1034
0.1
100P
C1036 100P
C1037 1000P
C1038 1000P
2.6V
10K
R1021
1.6V
1.6V
2.6V
R1020
20
19
1V
18
0V
17
1V
16
0V
15
14
5V
13
12
5V
11
10K
4.7K
R1022
IC1003 SN74LV244APW
LOGIC CONTROL
Vcc
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
1G
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
E F G H
0.1
C1027
2.6V 1.2V
NC GND
21
2.3V
1M
1.2K
R1031
39P
C1035
33
R1032
100P
C1039
45
3
IC1005 SN74HCU04APW
LOGIC CONTROL
1
2.4V 2
2.4V 3
2.3V 4
2.4V 5
2.4V 6
7
1A
1Y
2A
2Y
3A
3Y
GND
Q1001 DTA114YETL
POWER SUPPLY
4.9V
C1009
6.3V100
4.9V2.1V
Vcc
14
6A
13
6Y
12
5A
11
5Y
10
4A
9
4Y
8
4.9V
0.1
47K
0V
C1032
10K
L1002
2.2 H
27P
C1033
Vcc
R1030
X1001
(12.288MHz)
IC1006 SNAHC1U04DBV
INVERTER
AB
1
2V
2
0V
3
1.6V
4
0V
5
1.6V
6
2.6V
7
1.6V
8
2.6V
9
10
I
J
K
L
M
L1001
2.2 H
2.6V
4.9V
Loading...
+ 12 hidden pages
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use