SL
V
-ED100/EZ2000/K990/KH9
4-56
MJ-93 (MIC IN/HEADPHONE,
MIC/HEADPHONE AMP) PRINTED
WIRING BO
ARD AND SCHEMA
TIC DIA
GRAM
– Ref. No.: MJ-93 board; 3,000 series –
– ED100/EZ2000 –
There are f
e
w cases that the par
t isn't mounted in this model is pr
inted on this diag
ram.
MJ-93 BOARD
CN401
A-3
CN403
C-3
D401
C-4
D402
C-4
D405
C-3
IC400
B-3
IC401
B-1
Q400
B-1
Q401
A-2
Q402
C-3
RF-46 (KH9)
(RFMOD)
TU-170 (EXCEPT
KH9)
(TUNER, SIF)
RJ-84 (ED100/EZ2000)
(ADDITIONAL
REAR IN/OUT)
SR-36
(SURROUND)
KR-33 (K990/KH9)
(KARAOKE)
Power Block (HS-028SF)
(POWER SUPPL
Y)
MA-361
VIDEO,
AUDIO, I/O,
SER
VO/SYSTEM CONTROL
(
)
FL-1
10
MODE CONTROL,
IN/OUT
()
VR-74
MIC/ECHO/PHONE
LEVEL
()
MJ-93 (ED100/EZ2000)
MIC IN/HEADPHONE,
MIC/HEADPHONE
AMP
MJ-94 (K990/KH9)
(MIC IN, MIC
AMP)
()
FR-165
(MODE CONTROL)
SW
-329
(ROT
AR
Y
SWITCH)
NK-1
1 (ED100/EZ2000Y)
(NICAM)
GK-12 (EZ2000S/K990)
(ZVEI T
ONE)
4-55
MIC IN/HEADPHONE, MIC/HEADPHONE AMP
MJ-93
JL400
0.047u
C402
JL404
JL406
M5218AFP-T1
IC400
1
OUT1
2
-IN1
3
+IN1
4
Vee
5
+IN2
6
-IN2
7
OUT2
8
Vcc
JL403
JL407
JL405
JL402
J400
CH
100p
C401
JL408
1k
R408
2SD1938(F)-T(TX).SO
Q400
10k
R411
NJM4556AM-A-TE2
IC401
1
OUT1
2
-IN1
3
+IN1
4
Vee
5
+IN2
6
-IN2
7
OUT2
8
Vcc
2SD1938(F)-T(TX).SO
Q401
680
R412
1k
R414
680
R416
R410 4700
10k
R415
1k
R417
4700
R413
1k
R409
R403
1k
47k
R400
J401
10k
R418
0.01u
C412
680
R419
680
R420
17P
CN401
1
AGND
2
A+9V
3
AGND
4
A-8V
5
AGND
6
HP OUT L
7
AGND
8
HP OUT R
9
AGND
10
MIC1
11
N.C
12
AGND
13
HP IN R
14
AGND
15
HP IN L
16
AGND
17
MIC
RD9.1EW-T1
D401
47k
R402
470
R401
9P
CN403
1
MIC
2
HP OUT L
3
AGND
4
HP OUT R
5
AGND
6
HP +9V
7
MUTE
8
HP -8V
9
MIC CONT
RD9.1EW-T1
D402
RD9.1EW-T1
D405
0.47u
C403
25V
22u
C414
25V
22u
C407
25V
22u
C411
25V
22u
C410
JS401
JS402
150k
R422
2SD601A-QRS-TX
Q402
47k
R423
1
A
PHONES
MIC IN
6
F
E
MJ-93 BOARD
G
H
2
3
4
5
D
C
B
05
9
8
7
IC400
MIC AMP
HEADPHONE
AMP
IC401
(SEE P
AGE 4-59)
CN450
VR-74 BOARD
CN902
MA-361 BOARD
(SEE P
AGE 4-25)
AUDIO
SIGNAL P
A
TH
PB
SIGNAL
Q400,401
MUTE
B+
B-
B-
B+
B+
B+
B-
B-
0.1
0
0.1
0
0
0
0
9.2
0
0
0
-8.2
-8.2
0
0
0
9.2
0
0
NO MARK:REC/PB MODE
MIC CONTROL
SWITCH
*
*
*
*
:IMPOSSIBLE TO MEASURE THE
VOL
T
AGE A
T
THE MARKED POINTS
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