Power Block Diagram 2 - Sony DSR-50P Service Manual

3-11. POWER BLOCK DIAGRAM 2

VD-28 BOARD (2/2)
IC041
UNREG
1 1 6
+9V
REG
3
(SEE PAGE 4-80)
2
DIG +5V
2
IC607
SW +5.5V
3 +5V
2 3
REG
(SEE PAGE 4-96)
VD-28 IC606
BOARD (1/2) SW –5.5V
5 3 –5V 1
POWER1
REG
SEE PAGE 3-20
(SEE PAGE 4-96)
SW +3V
6
VIDEO +5V
7
VIDEO –5V
4
05
IC707 IC021 IC035 IC022
LANC SC SWITCH SC PHASE HD SHIFT
DRIVER (SEE PAGE 4-76) ADJ FINE ADJ
(SEE PAGE 4-97) (SEE PAGE 4-78) (SEE PAGE 4-76)
L706
IC708 IC332 IC333 IC040
BUFFER U V/C IC334 EX OR
(SEE PAGE 4-98) CONTROL (SEE PAGE 4-78)
AND GATE
(SEE PAGE 4-87)
(SEE PAGE 4-88)
IC601
IC602 IC603 IC604
AUDIO
MIX AMP MIX AMP AMP
MONITOR
(SEE PAGE 4-95) (SEE PAGE 4-95) (SEE PAGE 4-96)
SELECTOR
(SEE PAGE 4-95)
IC701 IC702 IC710 IC335
BUFFER BUFFER BUFFER IC336
(SEE PAGE 4-97) (SEE PAGE 4-97) (SEE PAGE 4-98)
(SEE PAGE 4-88)
IC410
IC412 IC413 IC418
Y BLANKING
SWITCH C MONITOR
SET UP
(SEE PAGE 4-93) ENCODE DRIVER
ADD
(SEE PAGE 4-93) (SEE PAGE 4-93)
(SEE PAGE 4-91)
IC107 IC125 IC112
IC116
IC126 IC115 VC AMP IC106
(SEE PAGE 4-85)
SYNC SELECT AMP SYNC SEP.
(SEE PAGE 4-84, 86) (SEE PAGE 4-84, 86) (SEE PAGE 4-83, 84)
L121 L122 L106
DSR-50P
IC127
IC124
IC130
C
DECODE
SYNC SEP
(SEE PAGE 4-81) (SEE PAGE 4-82)
(SEE PAGE 4-82)
Q151, 152 Q148, 150
3-21
IC042
HD PHASE
90˚ PHASE
(SEE PAGE 4-78)
(SEE PAGE 4-75, 76)
VIDEO +9V
DSR-50
IC027 IC024 IC031
SYNC BUFFER SC PHASE
GEN. (SEE PAGE 4-76) ADJ
(SEE PAGE 4-76) (SEE PAGE 4-77)
L005
IC605
SWITCH
CONTROL
(SEE PAGE 4-96)
+5V
IC018
IC020
IC023
IC026
–5V
IC029
IC032
IC043
0˚/180˚ TIMING DELAY
LALT PULSE STRECH
(SEE PAGE 4-78) (SEE PAGE 4-76, 77, 78, 79, 80)
IC422 IC423 IC425 IC426
Y OUT R-Y OUT VIDEO OUT C OUT
DRIVER DRIVER DRIVER DRIVER
(SEE PAGE 4-92) (SEE PAGE 4-92) (SEE PAGE 4-94) (SEE PAGE 4-94)
IC128 IC120 IC117
IC122
IC129 IC121 IC118 VC AMP
(SEE PAGE 4-86)
AMP VC DELAY SWITCH
(SEE PAGE 4-86) (SEE PAGE 4-86) (SEE PAGE 4-85)
L123 L124
IC119 IC109 IC134 IC131
Y/C AMP AMP OSC
SEP. (SEE PAGE 4-81) (SEE PAGE 4-82) (SEE PAGE 4-81)
L112 L108 L110 L111
IC012
IC037 IC019
IC016 HD PHASE HD SHIFT
90˚ SHIFT FINE ADJ
GEN. CLOCK
(SEE PAGE 4-78) (SEE PAGE 4-76)
IC025
IC028
IC030
IC060 IC014 IC004
IC033
SC
TIMING IC008
HD SHIFT
COMPARATOR
DELAY
COURSE ADJ
SC PROC
(SEE PAGE 4-75)
(SEE PAGE 4-79)
(SEE PAGE 4-77) (SEE PAGE 4-75, 76)
(SEE PAGE 4-75)
IC003
IC005 IC049
NOR SYNC SYNC
(SEE PAGE 4-75) GEN. SEP
(SEE PAGE 4-80) (SEE PAGE 4-75)
IC034 IC050
IC039 IC051
IC044 IC052
IC046 IC054
IC047 IC055
IC048 IC056
SW +3V
IC414 IC419
IC402 IC415 IC420
IC424
B-Y OUT IC403 IC416 IC421
DRIVER
VC DELAY AMP INVERT AMP
(SEE PAGE 4-92)
(SEE PAGE 4-89) (SEE PAGE 4-91) (SEE PAGE 4-92, 94)
IC101 IC103 IC105 IC110
IC133
AMP IC102 IC104 IC108 IC113
(SEE PAGE 4-83)
SELECT SWITCH
(SEE PAGE 4-81, 83, 84)
L107
3-22
DSR-50/50P
IC001
IC002
IC007
IC057
IC009
IC058
IC013
IC059
IC017
IC062
IC061
IC063
D/A
VR ADJ CONVERTER
(SEE PAGE 4-79, 80)
DIG +5V
IC404
IC405
IC411
IC427
IC428
VC AMP
(SEE PAGE 4-90, 93, 94)
VIDEO +5V
VIDEO –5V
IC132
SWITCH
(SEE PAGE 4-82)
L126