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The scan is clear and well readable with very few weaker spots, usually on black background with white letters, but with enough zoom those spots can be read.
Printout is clear, the manual is complete and has all pages scanned.
I would give 5 stars, except that it is not in color, and the schematic and PCB pages are scanned on multiple pages. The document is locked (except printing) so the pages can not be extracted to compose them together for printing on the large plotter
It is worth the price tag.
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let's say first that i do not need to have a credit for my opinion, i am a retired sparkie and i voluteerd to fix an electronic device for a local "Youthgroup",as no diagram was present i checked the "net" and gambled on this site and paying some fee via PayPall, i was gladly surprised that the manual arrived as was stated, GOOD SHOW, and best wishes, John
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I had been looking for a Manual for my CS2150 for quite a while -- in fact I had just about given up. I saw this site and decided to download the Manual. When I Received it by Email I was really pleased with what I got, with the result that My Kenwood 'Scope is now 100% repaired and working well. As an AV Serviceman, you need a good 'scope, and thanks to this site, and the Service Manual, I have been able to repair it. The Manual was a copy of the Factory Original and the copy was very clear, especially in the area of the Circuit Schematics, where You really need to be sure of what You are looking at.
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I recently purchased a manual for a Samsung DLP tv to help with a trouble shooting problem I was having. Every tv repair shop wanted close to $400.00 for the fix, but after I found Owner-Manuals.com I hit pay dirt. The manual they had for me to purchase and download was a complete service manual for the exact tv I needed. It was complete with wiring diagrams, schematics, and even part numbers. If your the fix it yourself type I highly recommend trying to find any manual here before paying someone else to fix whatever problem your having.
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Once again, excellent price and manual delivered in a timely manner and as advertised!
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6.3 ADJUSTMENT
A
VOFS/VH/IC5V Voltage Adjustment
Input Signal
Adjusting Point
Adjusting Method
VOFS (Offset voltage) adjustment Method 1 1. Make a note of the adjustment value of VOFS ADJ in factory mode. 2. Set the VOFS ADJ adjustment value to center (128). 3. Turn the VR2701 so that the voltage between K2710 (VOFS) and K2703 (SUS GND) becomes 45V. 4. Return the VOFS ADJ adjustment value to that which you wrote down in Step 1. Method 2 1. Read the adjustment value of VOFS ADJ in the factory mode. 2. Turn the VR2701 so that the voltage between K2710 (VOFS) and K2703 (SUS GND) becomes the corresponding value indicated in the table below (tolerance: ± 5):
Input Command VOF000 VOF006 VOF013 VOF019 VOF026 VOF032 VOF038 VOF045 DAC Output 0.4 0.4984375 0.61328125 0.71171875 0.8265625 0.925 1.0234375 1.13828125 1.23671875 1.3515625 1.45 1.5484375 1.66328125 1.76171875 1.8765625 1.975 2.0734375 2.18828125 2.28671875 2.4015625 2.5 Setting Voltage 25 25.9375 27.03125 27.96875 29.0625 30 30.9375 32.03125 32.96875 34.0625 35 35.9375 37.03125 37.96875 39.0625 40 40.9375 42.03125 42.96875 44.0625 45 Input Command VOF134 VOF141 VOF147 VOF153 VOF160 VOF166 VOF172 VOF179 VOF185 VOF191 VOF198 VOF204 VOF211 VOF217 VOF223 VOF230 VOF236 VOF242 VOF249 VOF255 DAC Output 2.599212598 2.71496063 2.814173228 2.913385827 3.029133858 3.128346457 3.227559055 3.343307087 3.442519685 3.541732283 3.657480315 3.756692913 3.872440945 3.971653543 4.070866142 4.186614173 4.285826772 4.38503937 4.500787402 4.6 Setting Voltage 45.94488 47.04724 47.99213 48.93701 50.03937 50.98425 51.92913 53.0315 53.97638 54.92126 56.02362 56.9685 58.07087 59.01575 59.96063 61.06299 62.00787 62.95276 64.05512 65
B
VR2701 (VOFS) (Y DRIVE Assy)
C
VOF051 VOF058 VOF064 VOF070 VOF077 VOF083 VOF090 VOF096 VOF102 VOF109 VOF115 VOF122 VOF128
White 100%
D
Signs of improper adjustment If the VOFS Voltage adjustment is not performed properly, blinking luminance points like dots appear. If the voltage deviates greatly from the right adjustment point, the panel will turn white when lit. VH (voltage for the scan IC) Adjustment Adjust so that the voltage between K2716 (VH) and K2720 (PSUS) becomes 130V ± 0.5V. PSUS (=GNDH) is a floating GND and its electric potential is different from that of chassis GND. Be sure not to short-circuit PSUS (=GNDH) and another GND, because that may damage the unit. Signs of improper adjustment If the VH adjustment is not performed properly, blinking luminance points like dots appear. If the voltage is deviated greatly from the right adjustment point, the panel will lturn white when lit. IC5V Adjustment Adjust so that the voltage between K2707 (IC5V) and K2720 (PSUS) becomes 5.0V ± 0.1V. PSUS (=GNDH) is a floating GND and its electric potential is different from that of chassis GND. Be sure not to short-circuit PSUS (=GNDH) and another GND, because that may damage the unit.
VR2703 (VH) (Y DRIVE Assy)
E
VR2702 (IC5V) (Y DRIVE Assy)
Note : Be sure to measure between specified test points.
F
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PDP-503PU
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