Sony BVW-55 Maintenance Manual page 621

MB90061-111 (FUJITSU)
TV DISPLAY CONTROLLER
—TOP VIEW—
VIN2 1 38 V
CC
RESET
AGND 2 37
VSYNCIN
( )
VIN3 3 36
BLVL 4 35 SCLK
VOM2 5 34 SI
CS
CLVL 6 33
BUSY
PLVL 7 32
VOM1 8 31 EX4fsc
AV 9 30 X4fsc
CC
VSYNCOUT
( )
VIN1 10 29
SYNCOUT HSYNCOUT
(
CRLL 11 28
SYNCIN HSYNCIN
(
CRLH 12 27
VOB 13 26 B
VOC 14 25 R
CTL1 15 24 G
CTL2 16 23 CB
X 17 22 PORT3
EX 18 21 PORT2
GND 19 20 PORT1
32 BUSY
BUSY
GENERATOR
33
CS
SERIAL/
8-BIT COMMAND
34
SI PARALLEL
LATCH DECODER
35
CONVERTER
SCLK
DISP START H DISP START
POSI REG POSI REG 1
TIMING
GEN
CVRAM WRITE
ADD COUNTER
DISP MEMORY
READ OUT
CONTROLLER
CVRAM READ
OUT ADD COUNTER
SYNC
27
SYNCIN
SEPARATOR
36
VSYNCIN
DOT CLOCK
GENERATOR
18 17
EX X
BVW-55
33 32
CS BUSY
34
SI
20
PORT1
27 21
SYNCIN PORT2
36 22
VSYNCIN PORT3
10 13
VIN1 VOB
1 14
VIN2
VOC
3
VIN3
25
R
7 24
PLVL G
4 26
BLVL B
6
CLVL
8
VOM1
12 5
CRLH
VOM2
)
11
CRLL
) 23
CB
15 28
CTL1 SYNCOUT
16 29
CTL2 VSYNCOUT
35 18
SCLK EX
36 17
RESET X
31
EX4fsc
30
X4fsc
H DISP START LETTER SIZE LETTER SIZE
POSI REG 2 SPACE REG 1 SPACE REG 2
SELECTOR
CHARACTER
STROM ADD ATTRIBUTER
STROM
COUNTER REGISTER
BACKGROUND
DATA
ATTRIBUTE
SELECTOR
REGISTER
CHARACTER
ADDRESS DISP MEMORY
GENERATOR
SELECTOR CVRAM
CGROM
SHIFT
REGISTER
NTSC/PAL
TIMING
GENERATOR
X4 SUBCARRIER
( 4fsc ) GENERATOR
23
31 30 28
CB
EX4fsc X4fsc SYNCOUT
INPUTS
BLVL : BACK GROUND LEVEL
CLVL : CHARACTER LEVEL
CRLH : CHROMA HIGH LEVEL
CRLL : CHROMA LOW LEVEL
CS
: CHIP SELECT
: CONTROL 1, 2 ( VOM 1/2/3/4 SELECTION )
CTL1, CTL2
EX : DISPLAY DOT CLOCK TERMINAL
EX4fsc : COLOR BURST CLOCK TERMINAL
PLVL : VIDEO LEVEL
RESET
: RESET
SCLK : CLOCK
: SERIAL DATA
SI
SYNCIN
: H SYNC
VIN1 - VIN3 : VIDEO 1 - 3
VSYNCIN
: V SYNC
OUTPUTS
B : BLUE
BUSY
: BUSY
CB : COLOR BURST
G : GREEN
PORT1 - PORT3 : PORT1 - PORT3
R : RED
SYNCOUT
: H SYNC
VOB : BACK GROUND VIDEO
VOC : CHARACTER VIDEO
VOM1, VOM2 : VIDEO 1, 2
VSYNCOUT
: V SYNC
X : DISPLAY DOT CLOCK TERMINAL
X4fsc : COLOR BURST CLOCK TERMINAL
BLINK/REVERSE
LINE CONT
CONT REG
REG
ALL DISPLAY
CONT REG
PORT
CONTROLLER
DISP MODE COLOR
GRADATION MODE
INTERNALLY
GENERATED
SIGNAL
CONTROLLER
OUTPUT
CONTROLLER
VIDEO
SIGNAL
ANALOG
SWITCH
VIDEO
SIGNAL
I/O
29 10 1 3
CONTROLLER
VIN1
VSYNCOUT VIN2 VIN3
20
PORT1
21
PORT2
22
PORT3
13
VOB
14
VOC
25
R
24
G
26
B
7
PLVL
4
BLVL
6
CLVL
12
CRLH
11
CRLL
8
VOM1
5
VOM2
15
CTL1
16
CTL2
IC
2-71