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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
ELECTRICAL ADJUSTMENTS
2-7: HORIZONTAL SIZE NOTE: Adjust after performing adjustments in section 2-6. 1. Receive the monoscope pattern. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (06) on the remote control to select "H. SIZE". 4. Press the VOL. UP/DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on right and left becomes 10 ± 2%. 2-8: VERTICAL POSITION NOTE: Adjust after performing adjustments in section 2-7. 1. Receive the center cross signal from the Pattern Generator. 2. Activate the adjustment mode display of Fig. 1-1 and press the channel button (05) on the remote control to select "V. POSI". 3. Press the VOL. UP/DOWN button on the remote control until the horizontal line becomes fit to the notch of the shadow mask. 2-9: VERTICAL SIZE NOTE: Adjust after performing adjustments in section 2-8. 1. Receive the crosshatch signal from the Pattern Generator. 2. Activate the adjustment mode display of Fig. 1-1 and press the channel button (07) on the remote control to select "V. SIZE". 3. Press the VOL. UP/DOWN button on the remote control until the rectangle on the center of the screen becomes square. 4. Receive a broadcast and check if the picture is normal. 2-10: PARABOLA 1. Receive the crosshatch signal from the Pattern Generator. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (23) on the remote control to select "PARABOLA". 4. Press the VOL. UP/DOWN button on the remote control until the right and left vertical lines are straight. 2-11: TRAPEZIUM 1. Receive the crosshatch signal from the Pattern Generator. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (24) on the remote control to select "TRAPEZIU". 4. Press the VOL. UP/DOWN button on the remote control until the both vertical lines of the screen become parallel. 2-15: LEVEL 1. Receive a 70dB monoscope pattern. 2. Connect the AC voltmeter to TP901. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (30) on the remote control to select "LEVEL". 4. Press the VOL. UP/DOWN button on the remote control until the AC voltmeter is 75 ± 2mV. 00 OSD A 15 B Fig. 2-1 2-12: CORNER CORR TOP 1. Receive the crosshatch signal from the Pattern Generator. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (25) on the remote control to select "COR TOP". 4. Press the VOL. UP/DOWN button on the remote control until the upper section of the both ends vertical lines are straight. 2-13: CORNER CORR BOTTOM 1. Receive the crosshatch signal from the Pattern Generator. 2. Using the remote control, set the brightness and contrast to normal position. 3. Activate the adjustment mode display of Fig. 1-1 and press the channel button (26) on the remote control to select "COR BTM". 4. Press the VOL. UP/DOWN button on the remote control until the bottom section of the both ends vertical lines are straight. 2-14: OSD HORIZONTAL 1. Activate the adjustment mode display of Fig. 1-1. 2. Press the VOL. UP/DOWN button on the remote control until the difference of A and B becomes minimum. (Refer to Fig. 2-1)
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