-- 15 -
Pinning
SYMBOL PIN
DESCRIPTION
HFLB
1
horizontal flyback input
XRAY
2
X-ray protection input
BOP
3
B+ control OTA output
BSENS
4
B+ control comparator input
BIN
5
B+ control OTA input
BDRV
6
B+ control driver output
HDRV
7
horizontal driver output
GNDP
8
ground (power ground)
Vcc
9
positive supply voltage
FOCUS
10
H- focus parabola output
EWDRV
11
EW parabola output
VOUT2
12
vertical output 2 (ascending sawtooth )
VOUT1
13
vertical output 2 (ascending sawtooth )
VSYNC
14
vertical sync input /output
HSYNC
15
horizontal / composite sync input
CLBL
16
video clamping pulse / V-blanking output
VPOS
17
V- shift input
VAMP
18
V- size input
VSCOR
19
vertical S -correction input
EWTRP
20
Ew trapezium correction input
EWPAR
21
Ew parabola amplitude input
VAGC
22
external capacitor for V-amplitude control
VREF
23
external resistor for vertical oscillator
VCAP
24
external capacitor for vertical oscillator
GNDS
25
ground (signal ground)
HPLL1
26
external filter for PLL 1
HBUF
27
buffered f/v voltage output
HREF
28
reference current for horizontal oscillator
HCAP
29
external capacitor for horizontal oscillator
HPOS
30
H- shift input
HPLL2
31
external filter for PLL 2/soft start
EWWID 32
H-size
input
D-1. Sync processor
Pin 15 accepts H or H+V sync.
Pin 14 in H/V separate signal is input-mode, in H/V composite signal is output-mode. This
function is used as mode detector.
Summary of Contents for CM721FET
Page 10: ... 9 ...
Page 11: ... 10 2 CONTROLS AND CONNECTORS LAYOUT A Main PCB ...
Page 20: ... 19 A Monitor Check Flow Chart A 1 No raster ...
Page 21: ... 20 A 2 No Picture ...
Page 22: ... 21 A 3 No vertical deflection raster become a horizontal line ...
Page 23: ... 22 APPENDIX A SCHEMATIC DIAGRAMS PCB ASSEMBLIES ...
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Page 30: ......
Page 31: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...
Page 32: ... 50 APPENDIX C DISPLAY UNIT ASSEMBLY ...
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