Read Sony XVM-R70 Service Manual online
12
XVM-R70
IC401 µPD6467GR-546-E1
IC501 CD74HCT4053
1
CLK
2
CS
4
PCL
16 VB
7
OSC OUT
8
OSC IN
5
VDD
6
CMDCT
9
TEST
10
GND
DATA INPUT
SHIFT REGISTER
CHARACTER SIZE
REGISTER
DISPLAY
CONTROL
REGISTER
OSC
SYNC
PROTECTION
H-ADDRESS
REGISTER
WRITE-IN
ADDRESS
COUNTER
ADDRESS
COUNTER
DATA
SELECT
BACK
INTERRUPT
DATA
REGISTER
VIDEO RAM
CHARACTER
DATA
COLOR
DATA
PRINTER
DATA
REVERSE
DATA
OUTPUT
DATA
H-POSITION
COUNTER
H-ADDRESS
COUNTER
H-SIZE
COUNTER
V-SIZE
COUNTER
V-POSITION
COUNTER
V-AD
REGISTER
V-ADDRESS
COUNTER
OUTPUT CONTROL
CHARACTER
GENERATOR
GENERATOR
ROM
12X16BITX
512-WORD
512-WORD
INSTRUCTION DECODER
CONTROL SIGNALS
3
DATA
15 V BLK
14 VC2
13 BLK2
12 VC2
11 BLK1
14 VC2
13 BLK2
12 VC2
11 BLK1
18 VR
17 VG
17 VG
20 H SYNC
19 V SYNC
19 V SYNC
LOGIC
LEVEL
LEVEL
CONVERSION
LOGIC
LEVEL
LEVEL
CONVERSION
LOGIC
LEVEL
LEVEL
CONVERSION
LOGIC
LEVEL
LEVEL
CONVERSION
BINART TO
1 OF 2
DECODER
BINART TO
1 OF 2
DECODER
BINART TO
1 OF 2
DECODER
TG
TG
TG
VCC
BN
AN
A1
A0
S0
S1
S2
GND
VEE
E
C0
CN
C1
B0
B1
TG
TG
TG
16
15
14
13
12
11
10
9
1
2
3
5
4
6
7
8
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