QT-90W
– 11 –
Figure 11 SCHEMATIC DIAGRAM (2/2)
7
8
9
10
11
12
TAPE
(STAND-BY)
FM(ST)
FM(MONO)/BEAT
LINE
TAPE
(STAND-BY)
FM(ST)
FM(MONO)/BEAT
LINE
1
2
3
4
+15V DC
1
2
0V
AC 110-127 V/
220-240 V,
50/60 Hz
AC POWER
SUPPLY
CORD
AC 110-127 V/
220-240 V,
50/60 Hz
3
2
1
3
3
2
1
2
1
RECORD SIGNAL
PLAYBACK SIGNAL
FM SIGNAL
MW/SW1/SW2 SIGNAL
SPEAKERS
16 OHMS
BATTERIES
DC 15 V [ "D" SIZE
(UM/SUM-1, R20 or
HP-2)BATTERY x 8 ]
GRAPHIC EQUALIZER
PWB-B
HEADPHONES
PWB-A3
BATTERY
PWB-A6
12
6
5
4
7
9
8
10
11
2
1
3
S301-C
S301-D
S301-A
IC402
+12V
1
7
1
+B
+B
+B
+B
+B
+B
+B
+B
+B
S301
FUNCTION/
BEAT CANCEL
TAPE(STAND-BY)
FM(ST)
FM(MONO)/BEAT
LINE
S301
FUNCTION/
BEAT CANCEL
1
2
3
4
5
6
7
8
9
5
5
4
3
2
1
4
3
2
1
5
1
+3dB
0dB
-3dB
-8dB
-13dB
SW501-A
SW501-B
OFF
OFF
ON
ON
SURROUND
PWB-A5
1
3
7
5
4
2
6
VR304-A
VR304-B
2
1
12
6
5
4
7
9
8
10
11
2
1
3
IC401
+B
+B
1
3
7
5
4
2
6
2
1
AC 220-240 V
AC 110-127 V
BATTERIES
DC 15 V [ "D" SIZE
(UM/SUM-1, R20 or
HP-2)BATTERY x 2 ]
1
2
5
6
7
8
3
2
1
4
(1/2)
IC301
1
3
7
5
4
2
6
1
3
7
5
4
2
6
+B
L OUT
R OUT
L IN
R IN
L-CH
L-CH
R-CH
R-CH
(2/2)
IC301
VOLUME
CONTROL
R IN
L IN
MOTOR
CONTROL
REGULATOR
SURROUND
CONTROL
L OUT
R OUT
L IN
R IN
VOLUME
PWB-A4
2
1
VR301A
100K(B)
VR301B
100K(B)
CON602
Q604
3DA8050
C605
220/25
ZD602
TZX13V-B
R613
560
C606
100/16
C340
1/50
CN301
R343
2.7K
R317
2.2K
R344
2.7K
Q306
2SC945
Q603
SS8550
R612
2.2
Fusible
R611
1K
R610
1K
R603
22K
R404
1K
R423
1K
R413
33K
R424
33
R425
150
C423
47/25
C421
4.7/50
C424
100/25
C422
47/25
C429
47/25
C411
1000/16
C426
0.1
C427
0.1
C428
47/25
C412
1000/16
IC401
BA5415A
POWER AMP.
Q602
SS8550
C616
3300/25
C617
0.1
C601
0.02
C602
0.02
C603
0.02
C604
0.02
D601
1N5401
D602
1N5401
D603
1N5401
D604
1N5401
F601
T2.5A L 250V
CON601
CN601
T501
POWER
TRANSFORMER
CON401
CN401
R408
150
R407
150
JK401
HEADPHONES
CON402
CN402B
SP501
SURROUND
L-CH
SP502
L-CH
S501
VOLTAGE SELECTOR
S301
FUNCTION/
BEAT CANCEL
Q501
2SC945
LD501
523HD
LD502
523HD
LD503
523HD
LD504
523HD
LD505
523HD
LD508
CSL-326G3GTH
LD507
CSL-326G3GTH
R501
10K
C502
10/16
C501
10/16
R505
10K
R504
1K
R502
120
R506
470
R503
120
R507
10K
D501
1N4148
SW501
SURROUND
VR304
50K(B)
VOLUME
CN402
CN402A
SP503
R-CH
SP504
SURROUND
R-CH
R420
2.2K
Q401
2SC945
SO501
AC INPUT
SOCKET
R421
47K
R427
33K
C402
4.7/50
R358
5.6K
C313
0.15(ML)
R359
5.6K
C314
0.15(ML)
C312
0.001(ML)
C315
0.001(ML)
R342
680K
C348
330P
C347
330P
R341
680K
C339
1/50
Q305
2SC945
C342
47/16
R349
560
C307
4.7/50
R313
2.2K
R350
10K
R310
12K
R308
12K
R306
2.2K
R351
10K
C308
4.7/50
C310
100/16
R307
2.2K
R309
12K
C305
0.0033
(ML)
C306
0.0033
(ML)
R312
2.2K
R311
12K
C309
47/16
R416
330
C301
1/50
R303
10K
R301
100K
C303
0.01(ML)
R319
47K
R304
10K
R302
100K
C304
0.01(ML)
C302
1/50
C311
220/16
R318
47K
IC301
SURROUND EFFECT CONTROL
BA4558
C346
0.022(ML)
R353
1.2K
R352
1.2K
C345
0.022(ML)
R335
8.2K
R329
12K
R323
39K
C327
0.01
VR303A
100K(B)
R355
18K
C329
0.0027
C331
560P
VR302A
100K(B)
R325
68K
R327
22K
R331
12K
R333
8.2K
R339
2.7K
R337
8.2K
C333
0.0068
C335
0.0015
R336
8.2K
R330
12K
VR303B
100K(B)
R354
18K
C330
0.0027
C332
560P
VR302B
100K(B)
R332
12K
R334
8.2K
R340
2.7K
R338
8.2K
C334
0.0068
C336
0.0015
R324
39K
C328
0.01
R326
68K
R328
22K
VR301
X-BASS
VR301
X-BASS
VR302,VR303 GRAPHIC EQUALIZER
CON301
CN501
CON501
R305
470K
C316
0.047(ML)
R316
120
Q301
2SC945
C317
4.7/50
CN304
CON304
IC402
BA5415A
POWER AMP.
C416
10/16
R428
33K
R401
1K
R402
1K
C404
47/16
C401
4.7/50
C403
47/16
Q402
2SC945
R422
2.2K
R406
33
C417
100/25
C407
47/25
C409
1000/16
C405
0.1
C406
0.1
C408
47/25
C410
1000/16
R403
33K
R405
150
IC501
LEVEL METER. & SURROUND INDICATER
LB1403N
