Connection Diagram; Waveforms - Hitachi VK-S274 Service Manual

1 2
SCHEMATIC, CIRCUIT BOARD AND
CHAPTER 6
BLOCK DIAGRAMS/MICROPROCESSOR
PIN FUNCTION TABLE

CONNECTION DIAGRAM

To
LENS
BLOCK
PC
PG1250
7P
TEST
PLUG
PG1601
9P
OUTPUT
1 2
3 4
PG1302
20P
PG1241
48P
PG1001
48P
SP
PG1002
30P
PG1501
30P
CSR
3 4
5 6

WAVEFORMS

1 IC1001-7 1.1Vp-p
7 IC1002-13 3.1Vp-p
0.2V/20.0µs
1V/5.0ms
COLOR CHART
COLOR CHART
2 IC1001-13 6.0Vp-p 8 IC1002-14 3.1Vp-p
2V/100ns 1V/20.0µs
COLOR CHART
COLOR CHART
3 IC1001-14 6.0Vp-p
9 IC1002-17 6.5Vp-p
2V/100ns
2V/20.0µs
COLOR CHART
COLOR CHART
4 IC1002-5 6.5Vp-p
10 IC1002-18 6.5Vp-p
2V/20.0µs
2V/20.0µs
COLOR CHART
COLOR CHART
11 IC1101-18 4.2Vp-p
5 IC1002-7 3.1Vp-p
1V/50.0ns
1V/20.0µs
COLOR CHART COLOR CHART
6 IC1002-12 3.1Vp-p 12 IC1101-19 4.2Vp-p
1V/20.0µs 1V/50.0ns
COLOR CHART COLOR CHART
5 6
7 8
13 IC1101-27 1.1Vp-p
19 Q1153-B 550mVp-p
0.2V/20.0µs 0.2V/20.0µs
COLOR CHART
COLOR CHART
[For TYPE S/SE]
14 IC1201-38 3.0Vp-p
1V/5.0ms
COLOR CHART
15 IC1201-72 3.0Vp-p
1V/20.0µs
COLOR CHART
16 IC1201-75 3.0Vp-p
1V/5.0ms
COLOR CHART
17 IC1201-78 3.0Vp-p
1V/5.0ms
COLOR CHART
18 Q1152-B 1.0Vp-p
0.2V/20.0µs
COLOR CHART
7 8
E
D
C
B
A
6 - 1