Sync. Signal Processing I - Hitachi 36SDX88B Service Manual

7. Sync. Signal Processing I
1001 1001 - FBP In
MN102L35GHE. ScL b
UPC1885 ,
) H Out
4
b
SDA
b BLK /Wink out
) V Saw out
* East / West Out
H/V Sync in
//
//
Operation Procedure
1) IS01 detect input signal, then calculate H/V signal frequency and polarity. IS01
controls H out, Blank out, Vertical Saw out, and East I West out, according to the
H/V sync. input signal.
2) IO01 read H/V signal frequency and polarity via IS01 by IIC bus.
3) 1001 change mode, then send UPC1 885 appropriate data for H/V size and
pincushion, according to the input signal timing.
Pin Description
DVcc DGND
BLK&CLP&WINK cxo
SDA VSYNC-IN
SCL GSYNC-IN
VGND
HSYNC-IN
VOSC-CAP
HPD-CAP
VAGC-CAP AFCI
VSAW-OUT
VREF-IN
E/W-OUT
HOSC-REF
EHT-IN 0 10
21 --+ FV-REF
B-CONT (-J
71 20
--f-J FV-CAP
PWM-REF 0 12 19 -(-J AFC2
PWM-CONT 0 13 18 -+3 HOUT
PWM-OUT 0
14 17
-+-J FBP-IN
HGND 0 15 16 __O AVcc
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