Sony FDL-PT222 Service Manual page 16

1 2 3
A
Y/C JUNGLE,
B
B
MONITOR CONTROL
CN301
12P
C
D.GND
1
VHF
2
H.P.
3
R301
R309
4.5V 0
4
10
:CHIP
:CHIP
D.GND
5
C311 C303
C301
A.GND
TO 6 0.01 180p
47
B:CHIP :CHIP
6.3V
H.SYNC
A BOARD 7 :7L
CN601 IND
8 C302
15p
VIDEO CH:CHIP
9
R303
A.GND
D 10
X301 470
3.58MHz :CHIP
BRT
11
D303 VCXO
NC
12 MA8051
2
24 23 22 21 20
VIDEO
IC301
M52042FP
3
1 2 3 4
E
VIDEO
C307
4.7 4
25V
:7L
R312
560
:CHIP
R311
150k
C308
:CHIP 680p
B:CHIP
R320
F 1.5k
:CHIP
2SB709A-R
C314
R323
4.7
2.2M
25V
:CHIP
:7L
C313
0.0015 R324
B:CHIP
10k
:CHIP
G
– 23 –
4 5 6
R403
47
4.5V
:CHIP
Q402
R405 2SD1819A-R
68k
:CHIP
C405
R401
22
6.3V 100
:7L :CHIP
R406
680
:CHIP
R402
C402 R407 C406
2.2k 100
4.7 R431 22
33k :CHIP :CHIP
35V 6.3V
:7L :CHIP :7L
R408
2.2k
C407
:CHIP 47
6.3V
D401 :7L
1SS355TE
C403
22
6.3V R404 R430
:7L 100 0
:CHIP :CHIP
4.5V
R307
47k
:CHIP
RV301
R308
47k
4.7k
:CHIP
:CHIP
C306
R416
0.033
47
25V
:CHIP
B:CHIP C415
100
6.3V
4.5V
:7L
C304
0.1
25V
B:CHIP
19 18 17 16 15 14 13
C418
0.1
25V
5 7 4.5V
F:CHIP
8 C419
R317
0.1 R418
4.7k 25V
1.5k
5 6 7 8 9 10 11 12
:CHIP B:CHIP :CHIP
6
R419
D301
C420
10k :CHIP
1SS355TE
12p
CH:CHIP R420
R310
R318 1k :CHIP
68k G
R315 39k
:CHIP
22k :RN-CP
:CHIP
Q302
R314 X401 4.5MHz
UN5210
100k
C421
:CHIP R B
12p R429
R322 3.3k
C315 CH:CHIP
C310
68k 47p :CHIP
0.01
:RN-CP
CH:CHIP
B:CHIP
C422
0.001
B:CHIP
B
Q303
C312
R
0.1
25V
C423
G
F:CHIP 0.001 B:CHIP
C424
0.001 B:CHIP
R316
270k
:CHIP
C425
4.5V
D302
4.7
MA8051 25V
:7L
• B BOARD WAVEFORMS
1 2
2.0Vp-p (4.5MHz) 1.1Vp-p (4.43MHz)
5 6
4.1Vp-p (H) 1.4Vp-p (H)
7 8 9
C411 C414 R415
R409
0.47 D404 100p 22k
68k
25V CH:CHIP :CHIP
1SS355TE
:CHIP
F:CHIP
Q407
C409 C410 Q406
0.1 0.1 XP4601
25V 25V XP4601
B:CHIP B:CHIP
R411
1M R414
:CHIP 22k
:CHIP
R413
22k
:CHIP
R410
39k
C412
:CHIP
0.47
25V
F:CHIP
C408
0.01
B:CHIP
D403
1SS355TE C413 R412
100p 22k
CH:CHIP :CHIP
2 4 2 4 2 4 2 4 RB405
4 3 2.2kx2 1/16W :CHIP
2 1
1 3 1 3 1 3 1 3
C432
11 10 9 8 7 6 5 4 3 2 1
0.001
B:CHIP
RB401 RB402 RB403 RB404
12 TPR1B VSSB 44 4.5V
2.2kx2 2.2kx2 2.2kx2 2.2kx2
1/16W 1/16W 1/16W 1/16W
13 TPR1 SGD1B 43
:CHIP :CHIP :CHIP :CHIP
R427
14 VDDC MUTEB 42 1k
:CHIP
15 CV3 G2 41
16 CV2 R2 40
IC401 Q408
17 CV1 B2 39
A71-2980
UN5210
18 PLLO INB 38
19 PLLO2 HSO 37
20 XTI VS2 36
1
21 XTO HIN 35
22 VSSC VIN 34
R436
10k
:CHIP
23 24 25 26 27 28 29 30 31 32 33
G
B
R
R417
R423
4.7k
6.8k :CHIP
Q403
:CHIP
R428
R422 10k :CHIP UN2215
47k
:CHIP
C427
R421
0.1 RV402
C428
25V 10k
47k 0.01
F:CHIP :CHIP
:CHIP B:CHIP
– 24 –
3 4
1.0Vp-p (H) 0.7Vp-p (H)
7 8
1.4Vp-p (H) 1.4Vp-p (H)
10
11
FP401
1
N.C.
2
TPR2
3
VSS
4
VM
5
VDD
6
TPR1
7
N.C.
8
N.C.
9
D1
10
D4
11
D3
12
D2
13
RESTB
14
VS1
15
VS2
16
VDB
17
VDG
18
VDR
19
VD1
20
CLA
21
CLB
22
CL2 TO
23
LCD UNIT
VM
24
CP
25
D1
26
D4
27
D3
28
D2
29
RESTB
30
VS1
31
VS2
32
VDB
33
VDG
34
VDR
35
4.5V
VD1
36
CLA
37
CLB
38
CL2
39
VM
40
CP
41
N.C.
42
N.C.
43
N.C.
B-¥SS10904.<U..>-B.. (02)