El manual esta muy detallado, los numeros de partes y los esquemas de despiece son correctísimos y muy claros, tanto para los técnicos experimentados como para los novatos.
Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
Text excerpt from page 7 (click to view)
SECTION 2. ELECTRICAL ADJUSTMENTS
2-1. ALIGNMENT AND ELECTRICAL ADJUSTMENT
For these adjustment, use the equipment mentioned below and proceed by using the alignment tape and video signal. The suitable output waveform of the color-bar singa genrator is shown below. Instrument and Tools Required 1. Color TV receiver. 2. Oscilloscope having 10 MHz or more bandwidth. 3. Color-bar generator. 4. Frequency counter. 5. VTVM. 6. VOM (20 K¥/V). 7. Audio oscillator. 8. Audio attenuator. Signal Level and Input and Output Impedance Requirement 1. Video input: Negative syne., 1Vp-p standard composite video signal, 75�. 2. Video output: Same as above. 3. Audio input: Line - 10dBs, 47K�. 4. Audio output: -50dBs, 10K� or less.
Servo & Logic Alignment
Color Alignment
Video Alignment
Audio Alignment
Adjustment Sequence The VCR should be adjusted in the sequence shown below.