Sony BVP-900 Series, Maintenance Manual

Page: 360 / 520

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