Sony DSR-250, Service Manual

Page: 86 / 322

DSR-250/250P
3-9. POWER BLOCK DIAGRAM (4/4) ( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
3-17 3-18E
L2103
L2101
FB140
Q2102,2104
L2102
Q2181,2182
L2182
L2181
L142 R186 R178
Q2200
L140 L2770
Q2776,2778
Q2773,2774
L2771
L2200,2201
Q140,141
L143
L141 R187
Q2772,2775
L2774
Q2777
L2773
L4400
L4500
L4200
6
5
7
PD-126 BOARD
PANEL 2.8V
PANEL 4.6V
PANEL 13.5V
CN2100
IC2101
16
RGB DRIVE
TIMING
GENERATOR
IC2103
14
4
6
7
P UNREG
CN2101
18
CN2104
VDD
P OFF
BL ON
COLOR
LCD
UNIT
INVERTER
BLOCK
BACK
LIGHT
DRIVE
TO
POWER BLOCK
(3/4)
(SW-343)
TO
POWER BLOCK
(4/4)
VCC
D3.1V
D2.8V
A4.6V
MT5.2V
IC1601-1604
AUDIO ATT.
IC143
FOCUS RING
PHASE
DETECTOR
IC144
ZOOM RING
PHASE
DETECTOR
IC141
IC142
IRIS DRIVE,
V REF
4 2
ACCESS
LED
CN001
D003
5
6 9
3 VCC
CN012 CN011
MS-058
BOARD
MEMORY
STICK
SLOT
6
5
SE VCC
4
SE-116 BOARD
PITCH/YAW
SENSOR
CN600
CN006
IC140 IC2770-2772
ACTIVE PRISM
ACTUATOR DRIVE
VAP LOCK DRIVE ZOOM MOTOR
FOCUS MOTOR
DRIVE
IC2775
IC2776
P PWM
Y PWM
AMP
PITCH/YAW
SENSOR AMP
IC2200
IC27773,2774
ACTIVE PRISM
ACTUATOR
PRE DRIVE
32
26
11
21
11
10
2
CN002
CN001
D2.8V
ZMFC SENS VCC
ND SENS VCC
DRIVE +
MZ VCC
MF VCC
VAP VCC
ZOOM RESET SENSOR
FOCUS RESET SENSOR
ND FILTER SW
IRIS METER
ZOOM RING
FOCUS RING
ACTIVE PRISM
ACTUATOR
LENS BLOCK
(4-97) (4-97)
(4-39) (4-39) (4-40)
(4-37)
(4-41)
(4-42)
(4-41) (4-39)
EVER 3.0V
17
19
26
CN422
18
14
CN2002
29
8
NO-001
BOARD
CN422
CN2002
11
21
2
10
26
11
32
ON-001
BOARD
3
CN202
3
CN008
VO-012
BOARD
IRIS
RING
1
2
CONTROL
SWITCH
BLOCK
(EG-1044)
CN020
TALLY LED
IC451
REMOTE
COMANDER
RECEIVER
(REAR)
IC431
REMOTE
COMANDER
RECEIVER
(FRONT)
D451,452
ZOOM VR
RV431
CONTROL SWITCH
BLOCK
(CF-1044)
TH-010 BOARD
1
2
CN451
8
7
CN012
9
7
CN018
IC1
ELETEN
SENSOR
AMP
D2.8V
IC1607,1608
IC1611,1612
IC051-054
PARALLEL IN
AERIAL OUT
AU VCC
8.4V
UNREG 12V
TO
POWER BLOCK
(2/4)
CHIME VDD
11
10
CN2
T REEL FG
S REEL FG
9
CN1
6
MD-76
BOARD
11
10 REEL
MOTOR
FG
CN3
4 PIN
CONNECTOR
R MECHA DECK
11
6
10
11
10
CN200
CN201
CAPSTAN
MOTOR
DRIVE
IC4400
IC4300
• CAP LPF
• REEL LPF
• LODING
MOTOR
DRIVE
• REEL FG AMP
• TAPE TOP/END
IC4100
DRUM/
CAPSTAN/
REEL
PWM DRIVE
DC/DC CONV.
CONTROL 44 DC/DC CONV.
(12V
→ 6.25V)
Q4104
6.25V
IC4200
REEL
MOTOR
DRIVE
REEL
MOTOR
FG AMP
IC4202
IC4500
DRUM/
CAPSTAN
MOTOR
PRE DRIVE
DRUM/
CAPSTAN
MOTOR
DRIVE
IC4501
VIDEO
OUT
AMP
Q2501
MT5.2V
MT5.2V
D3.1V
A4.6V
D3.1V
MT5.2V
D2.8V
UNREG 12V
CHIME VDD
8.4V
IC703
IC705-707
IC702
MIC AMP
IC801-804
AUDIO
MIC/LINE
AMP
BUFFER
IC701
CN705
7
4
CN702
VIEWFINDER
CN703
1
3
EVF 12V
MIC +48V
ME-019 BOARD
5
4
CN804
XL-003 BOARD
1
2
CN803
CH1 +48V
CH2 +48V
4
5
7
4
CN017
AU VCC
MT5.2V
AU VCC
IC2501
FRONT/REAR
SELECT
IC2502
TO
POWER BLOCK(1/4)
(DD-146)
VI-156 BOARD(3/3)
2,7
(SEE PAGE 4-71)
(4-105)
(SEE PAGE 4-106)
(4-31)
(4-32)
(4-33)
(4-31)
(4-31)
(4-33)
(4-32)
(SEE PAGE 4-77)
(SEE PAGE
4-106)
(SEE PAGE 4-102)
(4-58)
(SEE PAGE 4-101)
(SEE PAGE
4-101)
(4-58)
(SEE PAGE
3-16)
(SEE PAGE
3-13)
(4-47,48)
(4-43,44)
(SEE PAGE
3-16)
(4-109)
(4-109,110)
(4-113,114)
(SEE PAGE 3-12)
ND901
LCD901
CN011