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A BOARD : IC501 NJM2070M
NC
1
+INPUT
2
BIAS
+
-INPUT
3
-
300Ω
50kΩ
GND
4
100kΩ
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1
A
B
TO
T1 BOARD
CN201
C
D
E
DRY BATTERY
3PCS. 4.5V
F
8
NC
7
V+
G
6
OUTPUT
DC IN 4.5V
5
POWER
GND
H
– 19 –
3
4
2
A
POWER SUPPLY,
LCD BACK LIGHT,
R513
2.2
CN602
:CHIP
12P
HEADPHONE AMP
C506
D.GND
1
C502
0.1
100
25V
VHF
2
6.3V
F:CHIP
:7L
H.P
NC
3
C501
0.01
4.5V
4
+IN
B:CHIP
AUDIO
AUDIO
5
-IN
C504
R509
10
30V
6
120k
GND
16V
:CHIP
:7L
H.SYNC
7
IND
8
VIDEO
1
NJM2070M-TE2
R510
VIDEO
9
10k
CH -
:CHIP
A.GND
S001
VOL
RV501
10
3
10k
C503
2
1
2
UP DOWN SW
0.01
11
B:CHIP
3
UB
12
S002
CH +
1
2
3
R028
10k
:CHIP
VIDEO
30V
30V
UNREG
R601
R617
47k
UHF
68
:CHIP
:CHIP
R608
VHF
47k
:CHIP
S601
OFF
Q601
2SD601A-R
C602
0.1
25V
F601
F:CHIP
1A
125V
L701
100µH
R701
330
2
1/8W
:CHIP
Q701
3
9
2SC2873Y
C703
22p
2kV
4
8
C702
0.22
FR701
:PP
C701
1
7
100
Q702
6.3V
:7L
2SC2873Y
5
6
D701
11EQS04-TA1B
J701
C704
T701
0.1
1
+
25V
3
F:CHIP
2
-
5
6
7
TO SPEAKER
2
J501
CN501
2P
UNREG
D406
MA157-TX
AUDIO
R450
100k
:CHIP
3
2
1
RV450
C505
NC
30V
100
R504
50k
6.3V
V+
470
:7L
:CHIP
OUTPAT
BRT
C507
GND
0.22
25V
R505
F:CHIP
470
:CHIP
IC501
R501
4.7
:CHIP
R506
390
:CHIP
R616
VIDEO
10k
4.5V
D605
:CHIP
1SS355TE
R610
T601
R615
D602
Q610
100
R605
10k
SB01-15CP
:CHIP
:CHIP
2SB709A-R
100 :CHIP
9
1
Q602
Q603
D603
D601
SB05-05CP
MA8043-M
2SD1119-Q
2SD601A-R
8
6
R611
L601
2.2k
47µH
C603
:CHIP
:FR-CP
0.1
C619
7
25V
0.01
R612
B:CHIP
B:CHIP
330
B:CHIP
:CHIP
C611
4
3
1
10
RV601
C610
:7L
220
R602
R603
C604
3
220p
47k
22
0.0047
:CHIP
CH:CHIP
:CHIP
:CHIP
B:CHIP
C605
+4.5V
5
2
2
100p
R604
R613
CH:CHIP
330
560
:CHIP
:CHIP
– 20 –
8
9
Q401
UN2215
R451
CN601
82k
12P
:CHIP
1
D.GND
VHF
2
H.P.
3
4
4.5V
5
D.GND
TO
6
A.GND
B BOARD
7
H.SYNC
CN301
8
IND
VIDEO
9
VIDEO
A.GND
10
11
BRT
12
NC
4.5V
C616
0.01
C617
220
16V
:7L
B-¥SS10904.<U..>-A.. (02)
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