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SERVICING IN THE FIELD
TUNER OSCILLATOR ADJUSTMENTS
Touch-up adjustments of the RF tuner oscillator circuit may be accomplished by removing the channel selector
and fine tuning knobs.
PICTURE TUBE SAFETY GLASS CLEANING
For picture tube safety glass cleaning, it is necessary to remove chassis. (See disassembly instructions) .
PICTURE TUBE REMOVAL
For picture tube removal it is necessary to remove chassis. (See disassembly instructions).
SERVICE ADJUSTMENT LOCATION
O
FUSE
O
REAR PANEL SERVICE CONTROLS
WIDTH
HORIZ. LIN
ARE SELECTOR
HORIZ OSC HORIZ HOLD
HEIGHT
VERT LIN
HORIZONTAL OSCILLATOR FIELD ADJUSTMENT
Adjustment of the horizontal oscillator circuit can be made from the rear panel of the chassis. Set the horizontal
hold control at the mid-position of its range and adjust the Horiz.Osc.slug (L30) until the picture synchronizes
horizontally.
SOUND IF DETECTOR BUZZ ADJUSTMENT
To eliminate sound IF detector buzz, adjust the ratio detector secondary (L29) located on top of chassis.
(See tube placement chart).
FUSES
One fuse is used for LV power supply protection. (For location, see tube placement chart).
CENTERING
Centering is accomplished mechanically by means of a centering lever on the PM focusing assembly. Adjust
the centering lever from side to side and up and down until picture is properly centered.
DISASSEMBLY INSTRUCTIONS
1. Remove 6 push on type control knobs from front panel.
2. Remove 8 wood and 1 metal screws. Remove rear cover.
3. Disconnect built-in antenna. Disconnect transmission lines.
4. Disconnect speaker, yoke plug, horizontal yoke plug (small), CRT socket and HV lead.
5. Remove 5 chassis bolts. Remove chassis.
6. Remove 4 speaker nuts. Remove speaker.
PAGE 18
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