Sony BVM-1911 Operation And Maintenance Manual page 83

BLOCK DIAGRAM OF DA BOARD
H. PU LS E
I
/2H
PULSE
V.SYNC
1/2V
PULSE
I
I
ICl(2/2l 2 3
H. DELAY
IC5( 1/2 l
~
H. SAWTOOTH
GEN.
!CB( 1/21
HI/
2H PULSE
ICI0(2/2)
T
as
PIN
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H. PHASE
ICIB
-
50Hz/60Hz FIELD
SYSTEM
-
SELECTOR
,---
I
I Cl9( I /2lt
V. SAWTOOTH
GEN.
ICB (2/2)
l/2V
PULSE
-
H PHASE
iC6
H. PARABORA
GEN.
IC9(1/2)
l/2H DELAY
H. SAWTOOTH
IC 11 ( 1/2 l
H. SAWTOOTH
-
ITSB. PIN)
ICl3
50Hz /60HZ
SYSTEM SW
I
I
I
'
I
---
+-----
I
IC19(2/2).
V. PARABORA
GEN.
IC21(2/2)
INV.
3-33
H.SYNC H. DRIVE
-
IC4
H. OSC
-
-
H. AFC
I C7 IC5(2/2)
DUB.BALANCE
BUFFER ~ H.LIN
-
MOD.
'
'
!CIO(l/2 l
IC I ( 1/2)
H. BLK
I----+ H BLK
H. BLK PHASE
WIDTH
ICl l (2/2) I Cl2
H. PARABORA DUB.BALANCE
~T'>B PIN
(TB,B.PIN) MOD
j
ICNil/2)
IC22(2/2)
V. SIN
.
ADD
GEN.
t
I
I
I
I
,-- --i-------1-------,
I
I
IC20(1/2lt
IC2012/2)
IC21 (1/2).
V.SIN SIDE PIN.
GEN.
-
ADD.
GEN.
-
I
IC24
I
+12V I
l--+15V
..
+12V Reg .
I C25
~
-15V
r-------
--
~7.5V
ICl41
I
I
I
ICl7
{
NOR. SCAN
I
UNO. SCAN ~CONTROL
SET UP SCAN) VOLTAGE
SCAN
14---+
SELECT
I
BUFFER
.
GAIN ADJ.
I
H WIDTH
I
I
I
I
I
IC14, 15
I
IC:7:2/2)
SCAN
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SELECT
'
BUFFER V, SAWTOOTH
GAIN ADJ.
I
I
ICI6
11
IC231I/2)
SCAN
SELECT BUFFER
-
GAIN ADJ.
I
I
I
I
IC15, 16
i-J
I C23(2/2)
SCAN
SIDE
-
SELECT
GA IN ADJ.
BUFFER
Pl N CUSHION
D,\
(DEFLECTION)
WAVEFORM
-
3-34