VC-G20SM/G200SM
VC-G201SM/G401SM
ADJUSTMENT OF PB Level Confirmation
Measuring
Oscilloscope
instrument
Mode
Playback
Cassette
Self-recorded/Playback tape
Test point
VIDEO OUT port
(75Ω terminal)
VIDEO
Colour Bar
Specification
Check place 1.
(1±0.2Vp-p)
1.0Vp-p
ADJUSTMENT OF S-PICTURE Confirmation
Measuring
Oscilloscope
instrument
Mode
Record/Playback
Cassette
Self-recorded/Playback tape
Test point
VIDEO OUT
VIDEO
mono-sco
Receive the mono-sco.
Confirmation : make sure no black split at the mono-sco
picture during the self-Rec PB when the S-PICTURE is
ON with the S-PICTURE ON/OFF,make sure the picture
level at the wedge part is change.
(S-PICTURE ON - about 260 line)
(S-PICTURE OFF about 240 line)
Measure the picture out-
put port using the 75Ω ter-
minal Oscilloscope and
confirm the diagram same
as the left diagram.
~ V:200mV/div
H:20µsec/div
30
TUNER/IF Circuit ADJUSTMENT
ADJUSTMENT
OF
Confirmation(except France)
Measuring
Digital Voltmeter
instrument
Mode
EE
Test point
TU101 pin23
Specification
2.5±0.5V
E-12ch, Input level 70dBµ
While selecting channel input TEST MODE(press once
on TEST KEY R/C) and select E-12ch.
(Just Tuning)
HM
I40ch
LM
I-Jch
ADJUSTMENT
OF
Confirmation(France)
Measuring
Digital Voltmeter
instrument
Mode
EE
Test point
TU101 pin23
Specification
2.5±0.5V
F-10ch, Input level 70dBµ
While selecting channel input TEST MODE(press once
on TEST KEY R/C) and select F-10ch.
(Just Tuning)
F-4ch, Input level 70dBµ
While selecting channel input TEST MODE(press once
on TEST KEY R/C) and select F-4ch.
(Just Tuning)
ADJUSTMENT OF Receive Image CH
Mode
EE
Confirm that there is no noise and beat in the receiving strenght
and weakness electrics signal.
AFT
Adjustment
Adjustment
AFT
Adjustment