Aiwa CX-JT8, Руководство по обслуживанию

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CX-JT8
47 47
6-20. SCHEMATIC DIAGRAM – PANEL Board – • See page 52 for IC Block Diagram. • See page 52 for Waveforms.
CN701
D101
R111
R110
R109
R108
R107
R106
R105
R104
R102
R
116
R707
R701
R703
R709
R708
R706
R705
R704
R702
CN101
R202
R203 R201
R208 R204
Q201
Q202
R205
C203
R211
C205
R212
R213
R216
Q204
R215 R214 C204
C208
R243 R238 R235 R234 R233 R232 R231
C210
R218 R217 R219
C2
07
C211
Q205
R221 R220
R223 R222
Q206
D201
R
245
R
24
6
R
247
IC201
C216 C215 C214 C218 C217 C219
R951
R950
R952
R953
C918
R
9
40
R
9
39
R
9
38
R
93
7
R
9
36
R
9
3
5
R9
3
4
R
93
3
R
93
2
R
931
R
93
0
R
929
R
92
8
R
9
27
R
926
R
92
5
R
9
24
R
9
2
3
R
9
19
R
9
1
8
R
91
7
R
916
R
91
5
R
9
14
C927
R
9
4
8
R
94
7
R
94
6
R
94
9
R955
R922 R921
R920
R
91
3
R
912
R
9
11
R910
R909
R908
R905
R907
R906
C501
R120
C513
R957
R
90
2
R90
3
R
90
4
R
96
0
R
95
8
R9
62
R963 R
96
1
R959
C920
C932 C933
C
9
31
C919
C505
C506
C504
C508 C502 D503 R503
D502
D501
R504
C507 R502
D504
R507
C922
R121
C510
R506
C509
IC502
R505
D604 D6
03
D
60
5
D
606
D6
07
D
60
8
D
60
9
D6
1
0
R620 R619 R618 R617 R616 R615 R614 R613
C
80
1
C
80
5
C8
07
C
80
3
R801
R802 R804
R803 R809
R810
R811
R812
R813
R814 R816
R815 R807 R805
R806 R808
R817
R818
R248 R249 R250
R252
R
22
6
R
2
2
7
R
2
28
C221
D510
D511
R122
R501
C926
R607
R608
D601
C915
C914 C916 C917
R125
CN301
R309 R308 R307 R306 R305 R304 R303 R302 R301
R352
R351
R321 R322 R323 R324 R325 R326
R320 R319 R318 R317 R316 R315 R314 R313 R312 R311
R602
R601
R603
R622
R604
R605
R621
R606
X901
C921
C8
02
C
80
4
C80
6
C80
8
JR604
JR606
C809
JR605
D602
JR810
Q601
Q602
Q603
S802
S801 S803
S804
C905
C906
C907
C908
C909
C910
JR903
R972
R973
R974
R975
R976
R977
R978
R979
R980
R981
C
90
2
C
90
3
C
904
D611
C
911
D
6
13
D
61
4
D
6
15
JR901
FL901
R206
Q921
IC901
R986
LED901 LED
213
LED
20
1
LE
D
202
LED
203
LED
20
4
LED
2
05
LE
D
20
6
LE
D
2
07
L
ED
208
LE
D
2
0
9
L
ED
21
0
IC202
R419
C415 C414
JW938
R119
C413
IC401(1/2)
C412 R414
R418
R417
D402
IC401(2/2)
C408
JR403
R409
C407
R406
R404
C406
D401
R407
C410
R411
C404
R408
R405
R403
C405
Q401
C403
FB401
R401 C402
R402
CN401
R416
R115
R114
R
118
R
11
7
R945 R944
C511
Q901
IC501
S322 S323 S324 S325 S326
S316 S315 S314 S313 S312 S317 S318 S319 S320 S311
S301 S302
R353
S309
S304 S306
S307
S305
S303
R612
R609
R610
R611
C
923
X
9
02
R210
R410
C409
C434
R432
C
202
C201
R113
R112
R126
CN601
IC802
R240 R239 R237 R236
R954
VR401
R415
S321
S308
JR902
R943 R942
C401
JW408
JW404
C441
C411
R413
R412
JR910
JW508
R964
Q505
Q504
D506 D505
9P
1SS133T-77
1k
1k
1k
1k
1k
1k
1k
1k
100
10
100
100
100
100
100
100
100
100
100
31P
100
220k 1.5k
2.2k 39k
2SC3052
2SC3052
4.7k
22
50V
10k
0.1
330k
4.7k
330k
DTC114
YKA
100 220k 0.082
0.0033
1k 1k 1k 1k 1k 1k 1k
0.0033
100 220k 10k
0.01
5
0.01
DTC114
YKA
47k 220k
100 220k
DTC114
YKA
1SS133T
-77
10
k
1
0k
1
0k
BU2099FV
22p 22p 22p 22p 22p 22p
100k
100k
100k
100k
0.1
10
0k
1
00
k
10
0k
10
0k
10
0k
10
0k
10
0k
1
00
k
10
0
k
10
0k
1
00
k
10
0k
1
00
k
10
0k
100
k
1
00k
1
00
k
1
00
k
1
00k
10
0k
100
k
10
0k
10
0k
100
k
0.1
1
00
k
1
00
k
10
0k
10
0k
100k
100k 100k
100k
100
k
100k 100k
100k
100k
100k
100k
100k
100k
1
100k
0.01
100k
100k
100
k
1
00
k
1
00
8.2
M
1
k
1
k
1
k
470k
22p
0.015 0.015
0
.015
18p
1000
6.3V
0.1
10
50V
0.1 1 1SS133T-77 47k
1SS133T-77
1SS133T-77
10k
0.1 47k
1SS133T-77
10k
22p
220k
0.1
470
22
25V
M62703ML
4.7k
1S
S
18
1-TE
8
1
S
S18
1
-T
E8
1S
S18
1-TE8
1S
S181-TE
8
1S
S1
81-TE8
1S
S
18
1-TE
8
1SS
18
1-TE8
1S
S18
1-TE8
2.2k 2.2k 2.2k 2.2k 2.2k 2.2k 2.2k 2.2k
0
.001
1000p
0.0
01
0
.001
10k
10k 10
10 10k
10k
10
10
10k
10k 10
10 10 10k
10k 10
47
56k
22k 22k 22k
100
10k 10
k
1
0
k
0.1
1SS133T-77
1SS133T-77
22k
470
0.1
1k
1k
1SS133T-77
0.022
47
35V
4.7
50V 4.7
50V
22k
7P
6.8k 4.7k 3.3k 2.2k 1.5k 1.5k 1k 680 470
15k
15k
470 680 1k 1.5k 1.5k 2.2k
10k 6.8k 4.7k 3.3k 2.2k 1.5k 1.5k 1k 680 470
47k
47k
47k
47k
47k
47k
47k
47k
32.768KHz
0.1
0
.001
0.0
01
1
0
00
p
0.001
0
0
47
16V
0
1SS133T-77
0
2SB1068TP-K
2SB1116-TP
-LK
2SB1116-TP
-LK
100p
100p
100p
100p
100p
100p
0
0
0
0
0
0
0
0
0
0
0
1
00p
10
0
p
100
p
1SS133T
-77
100
p
1SS13
3T
-77
1S
S
13
3T
-77
1
SS
13
3T
-77
0
0
DTA114EKA
-T146
LC876796XB-51F6
0
SLI-325
S
LR
3
25
V
C
-N
SL
R
325V
C
-N
S
LR
325V
C
-N
S
LR
3
25V
C
-N
S
L
R
3
25
V
C
-N
S
LR
3
25V
C
-N
S
LR
32
5V
C-N
S
LR
325
V
C
-N
S
LR
3
25V
C
-N
SL
R
325V
C
-N
S
L
R
3
2
5V
C-N
BU2099FV
1k
0.1 0.1
0
1
50V
NJM4565M-TE2
1 50V 10
470k
15k
1SS133T-77
NJM4565M-TE2
0.1
50V
0
470
82p
270k
100
220
10V
1SS133T-77
1k
22
50V 12k
2.2
50V
100
2.2k
220k
10
50V
2SK2158
4700p
0.45UH
100k 0.1
4.7k
3P
270k
1k
1k
22k 22k
0.001
2SC3052
MM1614A
15k
1k
1k
1k
1k
22
p
8
.64
M
Hz
100
10k
10
50V
0.22
25V
47k
2200p
1
50V
1k
1k
22k
13P
RPM7238-H4
820 820 820 820
1.5k
10K
100
0
560 560
0.1
0.1
560p
39k
4.7k
0
10k
DTC144EKA
-T146
DTA124EKA
-T146
1SS133T-77 1SS133T-77
K
1
K
2
K
3
K
4
K
5
K
6
K
7
K
8
C4
C6
C
7
C
8
C
9
T4
T5
T6
T7
T8
T9
T10
T11
T
3
T
2
L
1
L
2
L
3
L
4
L
5
L
6
L
7
L
8
L
9
L
1
0
L
1
L
2
L
3
L
4
L
5
L
6
L
7
L
8
L
9
L
1
0
L
1
3
T1
T2
T
3
C
2
L
1
3
K
1
K
2
K
3
K
4
K5
K6
K7
K8
A1
A2
A4
A5
A2
A
4
A
5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A6
A
7
A
8
A9
A10
A11
A
1
2
A13
A14
A
1
5
A
1
6
B1 B2 B3
B
1
B
2
B
3
B6
B
5
B
6
B
7
A
3
C5
G
1
G
2
G
3
G
4
G
5
G
6
G
7
G
8
G
9
G
1
0
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
S
9
S
1
0
S
1
1
S
1
2
S
1
3
S
1
4
S
1
5
S
1
6
S
1
7
S
1
8
S
1
9
S
2
0
S
2
1
S
2
2
S
2
3
S
2
4
S
2
5
S
2
6
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
S1
S2
S3
S
9
S
1
0
S
1
1
S
1
2
S
1
3
S
1
4
S
1
5
S
1
6
S
1
7
S
1
8
S
1
9
S
2
0
S
2
1
S
2
2
S
2
3
S
2
4
S
2
5
S
2
6
S8
S7
S6
S5
S4
B7
B5
A
3
A
7
A
1
0
A
9
A7 A9
A
1
C7
C1
C3
C9
C8
C6
C4
C5
C2
C3
C1
CD1
CD2
CD3
C
D
1
C
D
2
C
D
3
T
1
T
4
T
5
T
6
T
7
T
8
T
9
T
1
0
T
1
1
U
4
U
5
U
6
U
7
U
8
U
9
U
1
0
U
1
1
U7
U6
U5
U4
U
1
1
U
1
0
U
9
U
8
VSS2
VDD2
VDD3
VD
D
4
A-GND
VF1
VF2
-VFL
D-GND
EVER 10V
BU1924 CLK
TUNER STEREO
LC72121 CE
LC72121 DI
M61529 CLK
CD NUMBER SENS
SYSTEM MUTE
STREAM IN(VACS)
DECK 9V
MIC GND
MIC SIG
POWER RELAY
CD DRF
LC78646 RESET
LC78646 WRQ
LC78646 CE
LC78684 CE(MP3)
LC78684 SYNC
CD1
CD2
CD3
D-GND
REC(REW)
B-SOL
B-MODE
B-HALF
B-PHOTO
REC(FWD)
CAPM+
A-HALF
GND
A-PHOTO
A-SOL
A-MODE
NC
D-GND
O-LC72121/M61529/BU2099 DO
O-POWER RELAY
FIX
0
VM
HP
BU1924 DATA
I-WRQ
I-CD DRF
I-LC72121 DI
GND
MIC IN
MIC OUT
S9/
S10/
S
11
S
1
2
S
1
3
S1
4
S
1
5
S1
6
S
17
S1
8
S
1
9
S
2
0
S
2
6
S
2
5
S
2
4
S23 S
2
2
S
2
1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
S1
S2
S3
KEY1
NC
S4
S5
N
C
N
C
N
C
N
C
N
C
N
C
N
C
S6/
S8/
S7/
FLUORESCENT INDICATOR TUBE
V
D
D
O
E
S
O
N
C
N
C
N
C
N
C
V
S
S
N
C
D
A
T
A
C
LK
L
C
K
V
D
D
O
E
S
O
N
C
N
C
V
S
S
D
A
T
A
C
L
K
L
C
K
N
C
LC78684 CLK
LC78684 DO
O-LC78646/
O-LC78646/
LC78684 DI
V
D
D
1
G
1
V
S
S
1
C
F1
C
F2
I-K
EY
3
I-K
EY
2
I-K
EY
1
R
ES
ET
I-S
PE
A
N
A
L
I-
SP
E
AN
A M
I-S
P
EA
N
A
H
O
-LC
78
68
4 C
E
O
-B
U
2
0
99 L
C
K
O
-L
C7
2
12
1 C
E
O
-M
61
5
29 C
LK
O
-S
YS
-M
U
T
E
I-B
U
192
4 D
I
O
-L
C7
8
64
6
C
E
I-B
U
19
24
C
LK
TAPE
MECHANISM
DECK
BLOCK
REMOTE
CONTROL
RECEIVER
CAPSTAN/REEL
MOTOR DRIVE
PLUNGER
DRIVE
(DECK-A)
PLUNGER
DRIVE
(DECK-B)
BASS
VOLUME MULTI JOG
TREBLE
MIDDLE
I-H
O
L
D
I-R
M
C
I-P
O
W
E
R
D
O
W
N
I-M
IC
/I-TU
S
IG
X
T
1
X
T2
I-LC7
86
84 S
Y
N
C
I-LC78646/
I-TUNER STEREO
I-CD NUMBER SENS
O-POWER LED
O-KEYSCAN
LC72121/BU2099 CLK
I-TUNER TUNE
I-B
A
S
S
A
I-B
A
S
S
B
I-T
R
E A
I-T
R
E
B
I-H
P-M
U
TE
I-JOG B
I-JOG A
I-VOL B
I-VOL A
I-B
-P
HO
TO
I-B-H
AL
F
I-B
-M
O
D
E
I-R
E
C(R
E
W
)
I-REC(FWD)
I-A-HALF
I-A-PHOTO
I-A-MODE
SYSTEM CONTROLLER
O
-L
C
78
6
46 RE
S
E
T
(CIS,E,SP,AUS)
(CIS,E51)
(AEP,UK,CIS)
(A
EP
,U
K
)
V
F1
V
F
1
V
F
1
S
2
6
S
2
5
S
2
4
S
2
3
S
2
2
S
21
S
2
0
S
1
9
S
18
S
17
S
1
6
S
15
S
14
S
1
3
S
1
2
S
1
1
S
10
S
9
S
8
S
7
S
6
S
5
S4 S
3
S
2
S
1
G
9
G
10
G
8
G
7
G
6
G
5
G
4
G
3
G
2
G
1
V
F2
V
F2
V
F2
Q204-206
BAND-PASS FILTER
B+ SWITCH
STANDBY/ON POWER
i-B
A
S
S
M
A
N
U
A
L
T
EC
H
N
O
S
A
L
S
A
V
O
C
A
L
T
A
P
E A
/B
M
D
(V
ID
E
O
)
TU
N
E
R
B
A
N
D
C
D
LED DRIVER
TAPE MECHANISM
CONTROLLER
A
-S
O
L
B
-S
O
L
C
D
1
C
D
2
C
D
3
M
O
T
O
R
I-B
A
S
S
V
O
C
A
L
S
A
LS
A
T
E
C
H
N
O
H
IP
H
O
P
M
A
N
U
A
L
C
D
T
U
N
ER
A
U
X
T
A
P
E
H
EA
V
Y
LED DRIVER
1
4
2
3
8
7
6
5
MIC LEVEL
AGC
S
MIC AMP
(E,E51,SP,AUS)
PROTECTOR(HOLDER)
S-OUT
TUNER S-METER
BU UP DOWN/CD OPEN CLOSE
BU2099FV CLK
LC72121/BU2099FV CLK
LC72121/M61519/BU2099FV DO
TUNER TUNED
4V(SW)
MIC 10V
(AEP,UK)
LC78646/LC78684 DO
LC78646/LC78684 DI
Q201,202
SPEANA AMP
G
O I
GENERATOR
RESET SIGNAL
RESET SWITCH
+4V
REGULATOR
C
O
N
T
G
N
D
V
IN
VO
U
T
M
O
D
E
STANDBY/ON POWER
DISPLAY TAPE A/B TUNER BAND
i-BASS
MANUAL TECHNO SALSA VOCAL
MD(VIDEO) CD
CD SYNC REC PAUSE/START HEAVY
H
E
A
V
Y
MODE ENTER
SURROUND
TUNING DOWN TUNING UP
ALBUM DIRECTION
THE ASSEMBLED
BLOCK
SUPPLIED WITH
I-B
U
U
P
D
OW
N/C
D
OP
EN
C
LO
S
E
ROTARY ENCODER
ROTARY ENCODER
ROTARY ENCODER ROTARY ENCODER
LC78646/LC78684 CLK
H
IP
P
O
P
MIC MIXING
VR401
HIP POP
ALBUM
(EXCEPT AEP,UK)
(AEP,UK)
ALBUM
PTY
N
C
N
C
Q504,505
KEY ACTIVE
SWITCH
(SUFFIX-11)
(SUFFIX-13)
(SUFFIX-11)
(SUFFIX-13)
E2
E1
F1
F2
(Page 38)
(Page 45)
(Page 45)
(Page 32)
(Page 39)
(Page 33)