Sony DSR-20MD Service Manual page 85

U-2 (POWER 2) SCHEMATIC DIAGRAM
1 2
-REF, NO :20,000 SERIES-
U-2 BOARD
XX MARK :NO MOUNT
POWER 2
NO MARK :E-E MODE
A
CN2
6P
AC BLOCK +12V 1
AC BLOCK +12V 2
TO HG-1 BOARD
DC +12V 3
F2
CN1
T5A
DC +12V 4
(SEE PAGE 4-110)
250V
GND 5
L1 L2
GND 6
0.5mH
1mH
+
C1 +
B CN1
220
4P C2
25V
220
AC IN 1
25V
TO U-1 BOARD
AC IN 2
CN3
AC IN 3
(SEE PAGE 4-114)
AC IN 4
C4 C3
JP1
0.047 0.047
XX
C
L4
68uH
R5
560
1W
C12
+
470
25V
D L13 D2
15uH RD5.6ESB2
E
C25
+
470
25V
F
G
05
3 4
L3
L12 D1
150uH
D5S4M 15.6
Z2
1
PQ30RV21
R43
10
4
R2
1w
24k C9
XX
C55 C10
0.0022
0.1
+ +
R3
C7 C8 1.8k
12.3 12.3
820 820
+
25V 25V
5 4
C5
0.6 Z1 1.2
330
1 2
25V LM2577-ADJ-LB03
3
C6
0.47
R4
R1
2.2k
2.2k
12.3 6.3
1 2
L5 L6
Z3
150µH R7 15µH
LM2576T-ADJ-LB03
C13 8.2k
1.2 + +
C40
4
0.001
0.01
D3 C14 C15
R8
D5S4M 0.001 0.001
5 3
+
620
10V 10V
C16
R6
R9
680
10
2.2k
10V
1W
12.3 3.3
1 2
L8 L9
Z7
330µH R23 15µH
LM2575T-ADJ-LB03
C27 39
R50 1.2 + +
C30
4
0.0022
10k
0.01
D5
C28 C29
D2S4M R24
680 680
5 3
4004 300
10V 10V
0.6
R22
R25
C26
10
220
0.047
1W
-9.1
5 3
12.3
1 2
D6
R26
Z8
D2S4M
2.7k
LM2575T-ADJ-LB03
4004
-7.9
4
R27
R53
C33 15k
C59
10 C34
680
0.0022
C32
+ 1W
L11 0.01
16V
+
470
150µH R28
25V
2.4k
4-117
5 6
15.1
2
3
1.2
R31
12k
6
Z11 6
R32 1 2
PQ30RV11
1.2k
4 3
C57
R48
1.2
0.1
2.2k
R10
+ C11
R33
820 39 D7
1.2k
25V 2W 1SS202-1
6
Z4
3
uPC29L03J
2
C17
0.1
+
12.6 12.4
C54
680 R11
Q1
10V 1k 11.8
2SA1015-GR
6
Z5
1
PQ05RF11
R12
3.9k
4
C22
2
0.1
C23
0.047
R19 D4
4.7k AK04VO 1SS202-1
5.6 R49
9 Z6 (1/4)
56
16 0.1
0.6 1 C38
C31 0.047
+
R16
Z6 (2/4)
680
Z6
56
13
0.6 0.1
10V
TD62305AP
4
Z6 (3/4) R18
56
15
0.6 0.1
2
Z6 (4/4)
R17
56
14
0.6 0.1
3
8
R15
R14
4.7k
1k
C20 C21 C19 C58
5.1
0.047 0.047 0.047 0.047
4.4
Q2
2SA1015-GR
5.1
R29
2.7k
-8.4
R30
1k
-9.1 Z10 -4.9
2 3
µPC79M05HF-Y
-9.1
Q4
C37
2SC3328
+ C35
1
180
120
C36
10V
16V
0.1
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
7 8
C39
0.01
C41 0.047
R45
8.2k
C42 0.047
R46 C56
+
470 180
10V
R47
2.2k
L15 15µH
L16 15µH
L17 15µH
C44 C48 C46 C47
+ + + +
33 100 100 33
C45
16V 16V 16V 16V
0.047
3
1
+ C18
180
10V
C71 C70
4.7 4.7
5
2
3 C24
+
180
10V
Q3
D8
2
2SC1815-GR
0
R21
1k
C49
0.047
C50 0.047
C51
330
25V
C72
C73
1
1
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une piéce portant le numéro spécifié.
4-118
DSR-20MD/20MDP
9 10
CN10
8P
1 SW+3.1V
2 GND
3 SW+5V
TO CM-56 BOARD (1/2)
4 SW+6V
CN004
5 UNSW+6V
(SEE PAGE 4-101)
6 UNSW+14V
7 GND
8 GND
C64 C63 C62 C61 C60
1 4.7 4.7 4.7
4.7
CN11
9P
1 UNSW+6V
2 UNSW+3.1V
3 SW+5V
4 SW+3.1V
TO JC-19 BOARD (1/18)
CN101
5 GND
(SEE PAGE 4-19)
6 SW–5V
7 SW+5V
8 GND
9 SW–5V
C69 C68 C67 C66 C65
4.7 4.7 4.7 4.7 4.7
CN12
8P
1 POWER CONT
2 UNSW+6V
3 UNSW+12V
4 UNSW+3.1V
5 GND
TO VA-102 BOARD (11/12)
CN852
6 GND
(SEE PAGE 4-84)
7 UNSW–9V
8 UNSW+14V
CN13
2P
1 SW+12V FUN
MOTOR
2 GND
POWER 2
U-2