Sony FDL-PT222 Service Manual page 14

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