Hyundai ImageQuest P990+ Technical & Service Manual page 22

BLOCK DIAGRAM
V-SYNC INPUT
14
V-sync
AND POLARITY
(TTL level)
CORRECTION
clamping
VIDEO
16
blanking
CLAMPING
AND V-BLANK
HUNLOCK
17
HUNLOCK
OUTPUT
19
SDA 2
I C-BUS
18
RECEIVER
SCL
10
Vcc
SUPPLY
7
9.2 to 16 V
25
REFERENCE
H/C-SYNC INPUT
H-sync
15
AND POLARITY
(TTL level)
CORRECTION
(video)
22 k
1%
VREF
V-SYNC
OSCILLATOR
INTEGRATOR
V-SIZE, VOVSCN
PROTECTION
AND SOFT START
2
I C-BUS REGISTERS
COINCIDENCE DETECTOR
AND
FREQUENCY DETECTO
PLL1 AND
H-POSITION
26
R
3.3 k
R
8.2 nF
100 nF
EHT compensation
via vertical size
VCAP
EHT compensation
via horizontal size
100 150
nF nF
VSMOD HSMOD
5% VAGC
23 24 22 21 31
EHT COMPENSATION
VERTICAL
H-SIZE AND V-SIZE
AND AGC
V-POSITION
TDA 4841
X-RAY
PROTECTION
PLL2, PARALLELOGRAM
HORIZONTAL
PIN UNBALANCE AND
OSCILLATOR
SOFT START
27 28 29 30
HREF HCAP
10 nF
HBUF
12 nF
(1)
2%
HREF
1%
7V
1.2V
EWDRV
11
EW-OUTPUT
V-OUTPUT
H-PINCUSHION
V-LINEARITY
H-CORNER
H-TRAPEZIUM
V-LINEARITY BALANCE
H-SIZE
OUTPUT
ASYMMETRIC
EW-CORRECTION
FOCUS
HORIZONTAL
AND VERTICAL
CONTROL
H-OUTPUT
STAGE
9 2
1
HFLB
X-RAY
XSEL
V
12
OUT2
V
13
OUT1
or
ASOR
20
32
X-RAY
BDRV
6
4
BSENS
(2)
B+
B+ CONTROL
BOP
3
APPLICATION
BIN 5
HDRV
8
MHB603