Mitsubishi DPLUS 74SB -BKA Service Manual page 124

I²C-bus autosync deflection controller for PC monitors
PINNING
SYMBOL
HFLB
XRAY
BOP
BSENS
BIN
BDRV
PGND
HDRV
XSEL
Vcc
EWDRV
VOUT2
VOUT1
VSYNC
HSYNC
CLBL
HUNLOCK
SCL
SDA
ASCOR
VSMOD
VAGC
VREF
VCAP
SGND
HPLL1
HBUF
HREF
HCAP
HPLL2
HSMOD
FOCUS
PIN
1 horizontal flyback input
2 X-ray protection input
3 B+ control OTA output
4 B+ control comparator input
5 B+ control OTA input
6 B+ control driver output
7 power ground
8 horizontal driver output
9 select input for X-ray reset
10 supply voltage
11 EW waveform output
12 vertical output 2 (ascending sawtooth)
13 vertical output 1 (descending sawtooth)
14 vertical synchronization input
15 horizontal/composite synchronization input
16 video clamping pulse/vertical blanking output
17 horizontal synchronization unlock/protection/vertical blanking output
18 I²C-bus clock input
19 I²C-bus data input/output
20 output for asymmetric EW corrections
21 input for EHT compensation (via vertical size)
22 external capacitor for vertical amplitude control
23 external resistor for vertical oscillator
24 external capacitor for vertical oscillator
25 signal ground
26 external filter for PLL1
27 buffered f/v voltage output
28 reference current for horizontal oscillator
29 external capacitor for horizontal oscillator
30 external filter for PLL2/soft start
31 input for EHT compensation (via horizontal size)
32 output for horizontal and vertical focus
DESCRIPTION
7-23
TDA4857