Sony CCU-M5A, Руководство по обслуживанию

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2-4
CCU-M5A/M5AP V2
UPD6142G-101 (NEC)
UPD6142G-101-T2
1
2
3
4
5
6
7
8
DATA
CLK
STB
CS
V
CC
OSC OUT
OSC IN
GND
16
15
14
13
12
11
10
9
TEST
CK OUT
H SYNC
V SYNC
VB
VG
V BLK
VR
8-BIT SERIALL INPUT CHARACTER DISPLAY
—TOP VIEW—
INPUTS
CLK
CS
DATA
H SYNC
OSC IN, OSC OUT
STB
TEST
V SYNC
OUTPUTS
CK OUT
VB
V BLK
VG
VR
: CLOCK
: CHIP SELECT
: DATA
: H SYNC INPUT
: EXTERNAL TERMINAL FOR OSC
: STROBE
: TEST CLOCK
: V SYNC INPUT
: EQUAL TO OUTPUT OF OSC OUT
: BLUE CHARACTER DATA OUTPUT
: V BLANKING
: GREEN CHARACTER DATA
: RED CHARACTER DATA
VIDEO RAM
6 BIT
x
288 WORD
CHARACTER GENERATOR
ROM
35 BIT
x
63 WORD
OUTPUT
CONTROLLER
LATCH
DATA SELECTOR
WRITE
ADDRESS COUNTER
LATCH LATCH
LATCH
OSC
HORIZONTAL
SIZE
COUNTER
HORIZONTAL
DISPLAY POSITION
COUNTER
DATA INPUT
SHIFT REGISTER
INSTRUCTION
DECODER
HORIZONTAL
ADDRESS
COUNTER
VERTICAL
SIZE
COUNTER
VERTICAL
DISPLAY POSITION
COUNTER
TIMING
GENERATOR
VERTICAL ADDRESS
COUNTER
CONTROL SIGNAL
DATA
1
CLK
2
STB
3
CS
4
VB
12
VG
11
VR
9
V BLK 10
8
9
5
2
2
8
2
5
4
3
9
3
9
CK OUT
15
OSC OUT
6
H SYNC
14
V SYNC
13
OSC IN
7
IC