Sony PMW-EX3 Service Manual page 276

SWD_UNREG
1
001,003 SWD_UNREG
L1
1uH
C13
10uF
25V
B
3225
NM
2
V+
GND
IC9 (3/3)
NJM2903V(TE2)
3 001,003 EVER_5.0V_2
REF_+2.5V
R29
R163
10 4.7k
Q10 Q40
GND
DTC114TE-TL DTC114TE-TL
4
003 DP_EN
R140 R164
10 4.7k
003 H_START_UP
5
Q41 Q42
GND DTC114TE-TL DTC114TE-TL
003 ME_EN
001,003 H_SHUTDOWN
A B
Start Up : 9.6V
Reset : 7.4V
Q16
DTA144EE-TL
C18
0.47uF
R37
50V
4.7k
GND
R38
0
R34 R35 R36
R42 R45
6.8k 6.8k 6.8k
3.3k 0
Q14
5
R48 R52 2SC4617TL-QR
+ 3.3k 0
7
6
-
IC9
(1/3)
NJM2903V(TE2)
R39
IC10 3.3k
MM1431ANRE
3
K
3 C17
1 CL2
R40
NC 4 0.1uF
REF 0 1.0
+
2 1 10V
CL4
SUB
1.0
C14 A CL3 2
-
0.1uF C16
R41 1.0
25V 5
0.001uF
0
50V
NM
IC9 (2/3)
NJM2903V(TE2)
REF_+2.5V
R30 R31 R43 R46 R50
47k
100k 10k 47k 47k
IC11 (1/3)
Making:320msec
NJM2903V(TE2)
3
+
1 5
+
2
-
6 -
Q15
IC11
(2/3) 7
2SC4617TL-QR
NJM2903V(TE2)
R32
15k
SL1
R44 R47
C15 R33
4.7uF 0 47k
0
NM
6.3V
Q51
DTC114TE-TL
REF_+2.5V
R141 R142 R145 R147 R149
47k 47k
100k 10k 47k
IC22 (2/3)
3 NJM2903V(TE2)
Making:320msec
+
1 5
+
2 7
-
6
-
Q43
IC22
(1/3)
2SC4617TL-QR
NJM2903V(TE2)
R143
15k
SL2
R144 R146 R148
C63
0 47k
4.7uF 0
NM
6.3V
Q52
DTC114TE-TL
C
RE-260 (2/3) RE-260 (2/3)
SUFFIX: -11 SUFFIX: -11
IC_Vcc 003
H_START_UP
REF_+2.5V
R56
R57 R58
6.8k 6.8k 6.8k
Q20
DTC144EE-TL
3
K
1
NC 4
REF
2
SUB
A
C20
0.001uF
5
50V
IC12
NM
MM1431ANRE
V+ C21 V+ C67
0.1uF 0.1uF
GND 25V GND 25V
IC11 (3/3) IC21 (3/3)
NJM2903V(TE2) NJM2903V(TE2)
R53
470
Q17
H:ERROR
DTA144EE-TL
OPEN:NO ERROR
C19
0.22uF
10V
Q45
GND DTC114TE-TL
003 IM_EN
REF_+2.5V
R150
470
H:ERROR
Q44
OPEN:NO ERROR
DTA144EE-TL
C64
0.22uF
10V
8-58 8-58
D E
1000mA
L2 f=300kHz
1uH
R70
R63
47k 1
NM
C33
0.1uF
25V
10
VIN GND
9 7
EXTVCC ION
15
TG
IC13
C35
LTC1778EGN
0.22uF
14
10V
SW
16
BOOST
5
D8
ITH
1SS400TE-61
11
INTVCC
Q25 12
C22
DTC114TE-TL BG
47uF
1 2
20V
RUN/SS PGOOD
3
VRNG
4
R59
FCB
22k
8
VFB
SGND PGND
C23 C24
C25 C34
470pF 100pF
6 13 4.7uF
0.01uF
50V 50V
25V 6.3V
V+ C68
0.1uF
GND 25V
IC22 (3/3)
NJM2903V(TE2)
REF_+2.5V
R152 R153 R156 R158
100k 10k 47k 47k
IC21 (2/3)
3 Making:320msec NJM2903V(TE2)
+
1 5
+
2 7
-
6
-
IC21
(1/3)
R151 NJM2903V(TE2)
R165
10 4.7k
R154
15k
SL3
R155 R157 R159
C65
4.7uF 0 0 47k
NM
6.3V
Q46
Q53
DTC114TE-TL DTC114TE-TL
F
Q27
FDS6690A
L3
8.2uH
1 2
3
NC
R83 R86 R89
1M 15k 0
NM
R84 R87
1M 15k
R85
330k
8 7 6 5
R90
R80
100k 0
4
S
1 2 3
Q11
FDS6690AS
C37
R88 R91
0.01uF
4.7k 0
25V
NM
S-GND
P-GND
D15 1SS400TE-61
D16 1SS400TE-61
D17 1SS400TE-61
D21 1SS400TE-61
REF_+2.5V
R160 R161
47k
470
Q48 H:ERROR
DTA144EE-TL
OPEN:NO ERROR
Q47
2SC4617TL-QR
C66
0.22uF
10V
PMW-EX3
G H