Sony BVP-900P Maintenance Manual page 360

IC
UPD6466GS-515 (NEC)FLAT PACKAGE
C-MOS ON-SCREEN CHARACTER DISPLAY
—TOP VIEW—
HSYNC
CLK 1 20
IN
CS VSYNC
2 19
IN
DATA 3 18 VB
IN
PCL
4 17 VG
IN
V
DD
5 16 VR
CMDCT 6 15 VBLK (BBLK)
IN
OSC 7 14 VC2 (GBLK)
OUT
OSC 8 13 BLK2 (RBLK)
IN
TEST 9 12 VC1
10 GND 11 BLK1
* IN ( ) ARE SET BY SETTING WITH INITIAL CONDITION SETTING COMMAND.
2
CS
6
CMDCT
3 DATA INPUT
DATA
1
CLK
DISPLAY CHARACTER
CONT.
REGISTER
HORIZONTAL
8
OSC
OSC
7
CIRCUIT
OSC
20
HSYNC
SYNC
PROTECTION
19 CIRCUIT
VSYNC
9
TEST
4
PCL
2-30
INPUT
CLK : CLOCK
IN
CS
: CHIP SELECT
CMDCT : COMMAND SELECT
IN
DATA : SERIAL DATA
HSYNC
: HORIZONTAL SYNC
OUT
OSC : OSCILLATOR
PCL
: POWER ON CLEAR
OUT
VSYNC
: VERTICAL SYNC
OUT
OUTPUT
BLK1, BLK2 : BLANKING 1, 2
OUT
BBLK : BLANKING B
OSC : OSCILLATOR
OUT
GBLK : BLANKING G
RBLK : BLANKING R
OUT
VBLK : BLANKING
VC1, VC2 : CHARACTER 1, 2
OUT
VR, VG, VB : CHARACTER R, G, B
OUT
OTHER
TEST : TEST
INSTRUCTION
SHIFT
DECODER
REGISTER
HORIZONTAL WRITE
SIZE ADDRESS ADDRESS
REGISTER REGISTER COUNTER
DATA
SELECTOR
HORIZONTAL HORIZONTAL
POSITION ADDRESS
SIZE
COUNTER COUNTER
COUNTER
VERTICAL
ADDRESS
REGISTER
VERTICAL VERTICAL VERTICAL
SIZE POSITION ADDRESS
COUNTER
COUNTER COUNTER
CONTROL SIGNAL
VIDEO RAM
BACK-
CHARA- COLOR PRINTER INVERT OUTPUT
GROUND
CTER DATA DATA DATA SETTING
CONT.
DATA DATA
DATA
9-BIT 3-BIT 1-BIT 1-BIT 1-BIT
REGISTER
x x x x x
288 WORD 288 WORD 288 WORD 288 WORD 288 WORD
CHARACTER
GENERATOR
ROM
12 x 18-BIT
x
512 WORD
OUTPUT CONTROLLER
16 17 18 15 12 11 14 13
BVP-900
BVP-900P