Servo Circuit Waveforms; Display (Fld) Grid/Anode Assignment Drawing & Table - Sony SVT-RA40 Service Manual

Servo Circuit Waveforms

TEST POINT
WAVEFORM
LOCATION
IC301
PIN 9,10
REC
2V/div.
20us/div.
IC301
PIN 85
REC
2V/div.
10ms/div.
IC301
PIN 93
REC
2V/div.
200us/div.
IC301
PIN 96
REC
100mV/div.
10ms/div.
TEST POINT
WAVEFORM
LOCATION
IC301
PIN 98, 99
REC
2V/div.
500ms/div.
IC304
UP : PIN 23
LOW :PIN 18
REC
5V/div.
500us/div.
IC301
PIN 89
PB
1V/div.
10ms/div.
WF-S-EC4Q
7-6
Display (FLD) Grid/Anode Assignment Drawing & Table
GRID ASSIGNMENT
9G 8G 7G 6G 5G
1a 1a
1 1
1 1
1
f f
h b b
1g
1g
1 1 1 1h
1 1
e h e
c c
1d 1d
2a 2a 2a
ANODE CONNECTION
9G 8G 7G 6G 5G
a
1a 1a
b
1b 1b
c
1c 1c
d 1d 1d
(R)
e 1e 1e
f 1f 1f
(L)
g 1g 1g
h
1h 1h
i
2a 2a 2a
j
2b 2b 2b
k
2c 2c 2c
l
2d 2d 2d
m
2e 2e 2e
n 2f 2f 2f
o 2g 2g 2g
p
RE4QM/EXSY
7-6
4G 3G 2G 1G
1a 1a 1a 1a
1h
1f 1f
1b
1b
1g
1g
1e
1c 1e 1h 1c
1d 1d
2a 2a 2a 2a
2 2
f
b
2g
col
2
2
e
c
2d
4G 3G 2G 1G
1a 1a 1a 1a
1b 1b 1b 1b
1c 1c 1c 1c
1d 1d 1d 1d
1e 1e 1e 1e
1f 1f 1f 1f
1g 1g 1g 1g
col
1h
2a 2a 2a 2a
2b 2b 2b 2b
2c 2c 2c 2c
2d 2d 2d 2d
2e 2e 2e 2e
2f 2f 2f 2f
2g 2g 2g 2g
GR-05000
SVT-RA40/RA168