LG 177V Руководство по эксплуатации - Страница 31

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32
1
PIN
SYMBOL
Horizontal Flyback Input
1
HFLB
X-ray Protection Input
2
XRAY
B + Control OTA Output
3
BOP
B + Control Comparator Input
4
BSENS
B + Control OTA Input
5
BIN
B + Control Driver Output
6
BDRV
Power Ground
7
PGND
Horizontal Driver Output
8
HDRV
9
XSEL
Select Input for X-ray reset
Supply Voltage
10
Vcc
EW Waveform Output
11
EWDRV
Vertical Output 2 (Ascending Sawtooth)
12
VOUT2
Vertical Output 1 (Descending Sawtooth)
13
VOUT1
Vertical Synchronization Input
14
VSYNC
Horizontal / Composite Synchronization Input
15
HSYNC
Video Clamping Pulse / V-Blanking Output
16
CLBL
TDA4857
Autosync Deflection Controller
DESCRIPTION
HFLB
1
XRAY
2
BOP
3
BSENS
4
5
BIN
6
BDRV
7
PGND
HDRV
8
TDA4857
XSEL
9
VCC
10
EWDRV
11
VOUT2
12
VOUT1
13
VSYNC
14
HSYNC
15
CLBL
16
Pin Configuration
PIN
SYMBOL
H-Synchronization Unlock/Protection/V-Blanking Output
17
HUNLOCK
2
I
C-Bus Clock Input
18
SCL
2
I
C-Bus Data Input
19
SDA
Internally connected; nite 1
20
i.c
Input for EHT Compensation (Via V-Size)
21
VSMOD
22
VAGC
External Capacitor for V-Amplitude Control
External Resistor for Vertical Oscillator
23
VREF
External Capacitor for Vertical Oscillator
24
VCAP
25
SGND
Signal Ground
External Filter for PLL1
26
HPLL1
Buffered F/V Voltage Output
27
HBUF
Reference Current for Horizontal Oscillator
28
HREF
External Capacitor for Horizontal Oscillator
29
HCAP
External Filter for PLL2 / Soft Start
30
HPLL 2
Input for EHT Compensation (Via H-Size)
31
HSMOD
Output for Vertical Focus
32
FOCUS
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32
FOCUS
31
HSMOD
30
HPLL2
29
HCAP
28
HREF
27
HBUF
26
HPLL1
25
SGND
24
VCAP
23
VREF
22
VAGC
21
VSMOD
20
i.c
19
SDA
18
SCL
17
HUNLOCK
DESCRIPTION