Power Block Diagram 2 - Sony DSR-25 Service Manual

DSR-25

3-8. POWER BLOCK DIAGRAM 2

VD-032 BOARD (2/2)
IC222
VC AMP
(VD-032 (6/16))
L220
L221
VIDEO –5V
3
VIDEO +5V
2
L1501
VIDEO +5V
L1502
IC1501
L1504 UVIC CONTROL
(VD-032 (7/16))
SW +3V
6
DIG +5V
9
POWER1 PANEL 3.2V
7
(3-14)
L621
1
CP CLOCK
11 2
+12V UNSW
1
–15V
8
UNSW +6V
10
IC1627
REC LEVEL
CONTOROL
(VD-032 (11/16))
AUDIO –5V
4
AUDIO +5V
5
HI UNSW 5V
12
EVR +3V
13
IC507
BUFFER
(VD-032 (13-16))
FR-183 BOARD
CN401
14 REF 3.2V
15
HI UNSW 5V
25
POWER1
B 27
(3-13)
21 SW 2.8V
23
05
( ): Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
IC218 IC216 IC226
IC2019
IC219 IC217 IC227
Y OUT DRIVER
VC DELAY SWITCH AMP
(VD-032 (9/16))
(VD-032 (6/16)) (VD-032 (6/16)) (VD-032 (6/16))
FB2004
IC1502 IC1504
L1505
IC1503 IC1505
LEVEL SHIFT LEVEL SHIFT
(VD-032 (7/16)) (VD-032 (7/16))
IC621
4
NAND
(VD-032 (14/16))
L622
Q608, 609 Q621 – 623
B+ SW PUMP
IC1628
IC1629
IC1631
AMP IC701
L714
(VD-032 (11/16))
BUFFER
(VD-032 (12/16))
L709
IC702 IC704
L715
BUFFER BUFER
(VD-032 (12/16)) (VD-032 (12/16))
D442 – 453
IC403 IC404 IC401
AMP BUFFER 7 SEG/LED/
MATRIX KEY
CONTROL
Q411 – 418
LED DRIVE
3-15
IC2015
IC2013 IC2023
MONITOR
AMP C OUT DRIVER
DRIVER
(VD-032 (10/16)) (VD-032 (10/16))
(VD-032 (10/16))
FB2005 FB2001 FB2002 L2004 L2005 FB2011 FB2012
L219
L217
L218
IC224 IC225
IC209 IC213 IC214
IC229
IC223
IC221
HD PULSE GEN.
(VD-032 (4/16)) SELECT, SWITCH
AMP, VC AMP
(VD-032 (5/16, 6/16))
(VD-032 (5/16, 6/16))
IC220
CHROMA DEECODE
(VD-032 (4/16))
SW +3V
DIG +5V
PANEL 3.2V
IC003 IC008 IC015 IC021
IC004 IC009 IC016
D/A CONVERTER
(VD-032 (3/16))
LCD +13V
–15V
L501
IC506
IC708
BUFFER
CONTROL
EEPROM
(VD-032 (13/16))
(VD-032 (13/16))
(VD-032 (12/16))
ND401 – 408
IC201 IC203 IC204 IC206
SIGNAL SELECT, SWITCH AMP
(VD-032 (4/16))
(VD-032 (4/16, 5/16))
L205 L206
L222
L208 L209 L210
L207
IC210 IC212 IC215
AMP INVERTER S/C SEP
(VD-032 (4/16)) (VD-032 (4/16)) (VD-032 (4/16))
CN1502
D 3.2V
PANEL 4.9V
PANEL 3.2V
PANEL 13.2V
PANEL –15.3V
PANEL 6.5V
Q601, 602
B+ SW
CN1503
BL UNREG
CN701
IC711
L708 FB707
UNSW +6V
1 14
LANC DRIVER
(VD-032 (12/16))
R714 – 717
L706
FB706
EVR +3V
IC511
RS-232C/
CN709
R878
RS-422
3-16
IC228
SWITCH
(VD-032 (4/16))
VIDEO +5V
6
4
POWER4
F
5
(3-19)
2
1
3
POWER4
3 E
(3-19)
LS-060 BOARD
CN201
FB201
LANC DC
J201
8 8
LANC
CONTROL S DC
J202
3 3
CONTROL S IN
DL-062 BOARD
IC601
CN601
IR VDD
REMOTE
3 3
CONTROL
RECEIVER