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PHOTOFACT* Fold
er
MAGNAVOX CHASSIS U26-O1AA, -O2AA, -O3AA,
-O4AA, V26-O1AA, -O2AA, -O3AA, -O4AA,
AMP-142CC, AMP-169AA, CR-745BB (26 Series)
DISASSEMBLY INSTRUCTIONS
CHASSIS REMOVAL
1. Remove 2 knob escutcheons from the front and 10 push-
on type control knobs.
2. Remove 10 wood screws holding the rear cover. Remove
the rear cover.
3. Remove i plugs from control unit.
4. Remove 2 tuner plugs.
5. Remove Phono input plug and Amplifier plugs.
6. Remove 2 wood screws holding the top chassis braces.
7. Remove 8 chassis bolts from the bottom.
8. Remove the chassis.
9. Remove 1 wood screw holding the antenna terminal board.
10. Use the special spanner wrench included with the cabinet
and remove 2 hex nuts from the front control shafts holding
the control unit and tuner assembly. Remove the assembly.
11. Remove speaker leads.
12. Remove 1 wood screw holding the speaker terminal board.
13. Remove 4 wood screws holding the amplifier chassis.
14. Remove the amplifier chassis.
TRADE NAME
Magnavox
CHASSIS
U26-01AA, V26-01AA
U26-02AA, U26-04AA, V26-02AA, V26-04AA, AMP-169AA, Control Unit 700660
U26-03AA, V28-03AA, AMP-142CC, CR-745BB
MANUFACTURER
Magnavox Co., 2131 Bueter Road, Fort Wayne 4, Ind.
TYPE SET
Television Receiver
TUBES
Twenty
POWER SUPPLY
110-120 Volts AC, 60 Cycle
RATING 215 Watts, 2 Amp. ® 117 Volta AC (TV only)
TUNING RANGE
Channels 2 thru 13 VHF, 14 thru 83 UHF, Video IF 45. 75MC, Sound IF 41. 25MC (Intercarrier)
FOR SERVICE INFORMATION ON CHASSIS AMP-142CC REFER TO SIMILAR UNIT IN PHOTOFACT SET 311 - FOLDER
9. FOR SERVICE INFORMATION ON CHASSIS AMP-169AA & CR-745BB REFER TO FOLDERS 8 & 9 OF THIS SET.
SERVICING IN THE FIELD
TUNER OSCILLATOR ADJUSTMENTS
Touch-up adjustment of the VHF Oscillator is possible by
removing the Channel Selector and Fine Tuning knobs. Set
the Fine Tuning at the center of its range. The adjustments
are accessible, one at a time, as the Channel Selector is
rotated. Adjust for best picture and sound.
PICTURE TUBE SAFETY GLASS CLEANING
Remove 6 wood screws from the top metal trim strip. Tilt
the safety glass out at the top and lift up to remove.
FOCUS
The focus may be varied in steps by the position of a plug In
the Focus Adjustment board.
HORIZONTAL OSCILLATOR FIELD ADJUSTMENTS
For adjustment of the Horizontal Oscillator, it is necessary
to remove the rear cover and supply power to set.
Set the
Horizontal Hold at the center of its range and adjust the
Horizontal Frequency slug (Bl) until the picture synchronizes
horizontally. (For location, see tube placement chart.)
FUSES
One fuse Is used for Horizontal Sweep circuit protection.
(For location, see tube placement chart.)
CENTERING
Centering is accomplished mechanically by adjusting
two magnetic rings around the neck of the picture tube.
Rotate the two rings around the neck of the tube until the
picture is properly centered.
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H O W A R D W. SAMS & CO.,
INC.
•
Indianapolis 5, Indiana
The listing of any available replacement part herein does
not constitute in any case a recommendation, warranty or
guaranty by Howard W. Sams & Co., Inc., as to the quality
and suitability of such replacement part. The numbers of
these parts have been compiled from information furnished
to Howard W. Sams & Co., Inc., by the manufacturers of
H519
the particular type of replacement part listed.
Repro-
duction or use, without express permission, of editorial or
pictorial content, in any manner, is prohibited. No patent
liability is assumed with respect to the use of the informa-
tion contained herein. © 1958 Howard W. Sams & Co., Inc.,
Indianapolis 5, Indiana .
Printed in U.S.
of America
DATE
6-58
SET 404
FOLDER
3
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