Motorola ts 938 service manual

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COLOR PANEL SA" OR "TA" CODED THRU 49
(TA PANEL DOES NOT INCLUDE REGULATOR TRANSISTOR 04)

NOTE: lnstamatic Color Panel CA or TA coded thru 49 5
also includes Color Preset Circuit Panel PA.

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SWITCH WIRING FOR TS-934 81 ATS-938 SWITCH WIRING FOR TS-938 SWITCH WIRING FOR TS-929, TS-931 81 ATS-931 q
INSTAMATIC COLOR PRESET CIRCUIT PANEL "PA
(PART OF CA" 81 TA" PANEL) « 1 I
WIRING DETAIL 0F INSTAMATIC COLOR PRESET PANEL "CA" 1
The circuit shown on the "PA" Panel is a portion of the new instamatic color preset « and an "instamatic color switch (located on front of set). L
feature, The PA" Panel with this circuit has been added to the original color panel (SA I
or TA) in sets that feature instamatic color preset. When these two panels are integrated, The switch activates the preset circuitry and controls that shift picture background T

the combined panel designation is CA" or "TA". toward red, increases the color demodulator phase angle, and controls color intensity.
This achieves acceptable color pictures automatically on all channels without manual _,
The preset panel is mounted on top of the color panel and connected by 8 wires adjustment of customer controls (hue, intensity,contrast and brightness). 3

designated by X1 X2 etc.

For circuit description, see service manual.

The "instamatic color preset" circuit includes the preset panel, a set of preset controls
Primed in U.s.A.
Sheet 68F65129A99-A