Goodmans 5900 Service Manual download (Page 2 of 105)

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Manual type:Service Manual
Pages:105
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Page 2 of 105
SECTION 1
-
INTRODUCTION
1.1
1.2
a)
Generil_
Description
_
The 170 Series
colour
television chassis, all used to drive
90°
picture
tubes,
consists of a number of types:
Type 170
-
for 14" (36cm) and 16"
(42cm) conventional tubes.
Type
1704
-
for 15"
(39cm)
FST tubes.
Type 171
-
for 20"
(51~x11)
and 22"
(56cm) conventional tubes.
Type
171Q
-
for
19"/21"
(50/55cm)
FST tubes.- standard neck.
Type 172Q
-
for
1g1(/21W
(50/55cm)
FST tubes
-
mini neck
Type 172QS
-
for 21"
(55cm) playback stereo.
The 180 Series chassis is designed to drive
llO"
25" (63cm) and 28"
(70cm)
FST type tubes.
Type
180s
is for stereo models.
All incorporate a micro-computer controlled 30-programme frequency
synthesis tuning system (System 70.).
Full remote control, using the
battery powered RC70 hand unit, operates the programme change, picture
settings, volume, muting and standby functions.
Local (front panel)
controls provide back-up for programme change and volume functions in
th&e
event
of remote control hand unit failure, as well as Search and
Memory controls for setting-up purposes (see
para
1.2).
Teletext,
if fitted,
can be accessed and operated only through the
remote control hand unit which incorporates a full range of operating
buttons.
Some models are fitted with a Euroconnector (SCART socket) and stereo
amplifiers.
Setting-up the Receiver.
The setting-up procedures to allocate TV channels and ancillary
equipment to the
receivers
programme numbers involve the use of the
remote control hand unit and/or the local controls on the receivers
front panel.
The method adopted depends upon whether or not the TV
channels official numbers are known.
If the official channel numbers are known.
Dress
the remote control
PROG/?AGE+
or
PROG/I?AGE-
button (or the
zyxwvutsr
lOCal
PRCG+
or
PRCG-
button) to select programme
1
as indicated on the fascia
display.
Press remote button CS and then
lcey
in the channel number for
xX1.
The keyed-in number appears on the digital display, whilst the
receiver automatically tunes in the channel.
The display reverts to
showing the prcgramme number after a short whiie.
Once the selected
channel appears on the screen, press local button
,XEM
(memorise) to
permanently allocate the channel to the programme.
?rass
remote button
?RCGjPAGE+
fcr
local
?RCG*+
button) to select
programme 2.
Press
remcte
buttcn
25
and key in the channel number for
EBC2.
Xhen
the
selected channel appears on
t:?e
screen, press local
button.
ym.1
1-e..
Sample