Sony DSR-20MD Service Manual page 39

JC-19 (S1 AFC) SCHEMATIC DIAGRAM • See page 4-15 for JC-19 printed wiring board.
• See page 4-120 for waveforms.
1 2 3 4
JC-19 BOARD (4/18)
A
S1 AFC
-REF.NO.:2,000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
*:IMPOSSIBLE TO MERSURE THE
B VOLTAGE AT THE MARKED POINTS.
C
35-1
35-2
VIDEO_5V
D
E
GND
35
TO JC-19 BOARD (3/18)
(SEE PAGE 4-24)
F
35-3
G IC207
IC207
TK11630UTL C249
47u
4V
1 2 3 TA
4.9 3
C248 C247
0.01u 0.01u
3
35-4
0
H
C246
IC206 5 4
0.01u
35-5
F
IC206
3.1
TC7S08FU(TE85R)
1 2 3
0
I
R214
4.9
2-13 10k
R250
3.9 Q200
1k
2SC4081T106R
2-12
3.3
C212
22u 3.9
4V Q201
R248 L202 2SA1576A-T106-R
R246
R215 56uH
470
39k 0 3.3
C214 C215
L206
R247
82p 390p
1k 120uH
CH
CH
J
C202 R249 C216
1000p 470 0.01u
CH
2
TO JC-19 BOARD (1/18, 2/18)
(SEE PAGE 4-19 to 22)
K
2-1
L
2-10
05
5 6 7 8
R264
10k
R266
10k
R292
R276
10k
R298
0
R271
0
* 2.9 1.3
1.2 0
48 47 46 45 44 43 42 41 40 39 38 37 36
2.9 1.2 2.7 2.8
L204
C219
10uH
10u
6.3V
21
R342
0
0
CL202
3
R256
10k
3
R0/P1.4
CL203 IC205
1.2
IC205
CL204
CXD2193AR-ER
3
C218 CL205
1.2
0.01u
F
R339 CL206
2.7
0
3
R257
XX 0.3
CL207
0
CL208
R0/P3
17
R295
0
1.4 1.9 1.5 2.7 1.5 1.5 1.4
1 2 3 4 5 6 7 8 9 10 11 12 13
R278
1.5 1.4 1.9 1.5 3
L203 0 R281
10uH R272 1k
680k
CL212
R260
CL214
4700 C224 R279
0.01u 33k
D201
KV1470TL00
R269
R261
270
270 CL216
C217 C231
10u 470p
R280
C223 CH
6.3V
10k
C220 1u
R262 R270
47u C233
4700 20V
4700 2p
6.3V
CH
C225 CL215
1u
F
20V C245
15p
C229
C243
R259
0.1u R273 3.3u
8200 16V
F 33k
4-25
9 1 0 1 1 1 2
R212 0
10k
R297
0
0 3 R288
10k
35 34 33
0 R*/P1.2
3
3
20
CL222
0
C238
0.01u
F
3
R285
0
1.3
CL223
0
0.7
19
RV201 C241
0.7 R286
4700 0.001u
10k B
18
AFC
PICTURE
IC210
FRAME
TC7SET08FU-TE85R
14 15 16
CL229
1.4 3 0
L205
5.6uH C234
0.01u
CT201
3 1
20p
4 6
AFC
CH
1 3 1 4 1 5 1 6 1 7
C1_3V
10-3
10-4
TO JC-19 BOARD (9/18)
10
(SEE PAGE 4-35)
10-10
19-1
TO JC-19 BOARD (10/18, 11/18, 12/18)
19
19-4 (SEE PAGE 4-38, 39, 42)
TO JC-19 BOARD (12/18)
8
8-2
(SEE PAGE 4-42)
C255
R319
1000p
5100 :DSR-20MD
R320 SL
5600 :DSR-20MDP
220
R277
33k
4.5
4.9
4.9
0
IC210 16 15 14 13 12 11 10 9
16 15 14 13 12 11 10
4.4
C256
0.01u
IC209 IC213
4.9
F
0
IC209 IC213
TC74VHC123AFT(EL) TC74HC4053AFT(EL)
1 2 3 4 5 6 7 8
1 2 3 4 5 6
0 0
C257 R321 R322
1000p 1500 220
CL228
4-26
DSR-20MD/20MDP
1 8 1 9 2 0
IC214
IC214
TC74VHCT00AF(EL)
RV202 R347
R344
XX 10k
1k
R345
C259
1k
100p
R346
10k
16 15 14 13 12 11 10 9 8 7 6 5
9
IC211
C260
C261
3.3u
0.033u
16V
B
IC211
TC74HC221AF(EL)
1 2 3 4 5 6 7 8 1 2 3 4
7 8
C258 IC212
R343
0.001u
39k
S1 AFC
JC-19 (4/18)