Sony XVM-R70 Service Manual page 56

XVM-R70
IC401 µPD6467GR-546-E1
CLK 1
CS 2
DATA 3
PCL 4
CHARACTER SIZE
DISPLAY
CONTROL
REGISTER
VDD 5
CMDCT 6
OSC OUT 7
OSC
OSC IN 8
TEST 9
GND 10
SYNC
PROTECTION
IC501 CD74HCT4053
16 15 14
TG TG
1 2
12
DATA INPUT
INSTRUCTION DECODER
SHIFT REGISTER
WRITE-IN
H-ADDRESS
ADDRESS
REGISTER REGISTER
COUNTER
V-SIZE H-POSITION H-ADDRESS
COUNTER COUNTER COUNTER
V-AD
REGISTER
H-SIZE V-POSITION V-ADDRESS
COUNTER COUNTER COUNTER
13 12 11
LOGIC
LEVEL
CONVERSION
TG TG
BINART TO
1 OF 2
DECODER
TG TG
LOGIC
LEVEL
CONVERSION
3 4 5 6
CONTROL SIGNALS
VIDEO RAM
DATA
SELECT
CHARACTER
GENERATOR
ROM
12X16BITX
512-WORD
10 9
LOGIC LOGIC
LEVEL LEVEL
CONVERSION CONVERSION
BINART TO BINART TO
1 OF 2 1 OF 2
DECODER DECODER
7 8
20 H SYNC
19 V SYNC
BACK
INTERRUPT
DATA
REGISTER
18 VR
17 VG
16 VB
15 V BLK
14 VC2
13 BLK2
12 VC2
11 BLK1