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Il service manual molto accurato. Rapidi nella risposta
Quick site processing. A complete and very useful manual with all details. Thank you!
Quick service response. A useful and very rare service manual with all details. I recomend this service.
I ordered this manual sometime in the afternoon and I received it on my e-mail the same evening.
This is a fantastically good and properly scanned copy of the original manual. All pages are of the same scale and they overlap each other. It means that you can print the manual and easily make it as a convenient paper manual.
The content of the manual is fantastic. Alignment descriptions, PCB layouts and elementary diagrams are explicit and precise. I immediately found what I was looking for. Thanks to this manual and Owner-Manuals.com my amplifier is alive again. Many thanx indded!
The manual was well-scanned and easy to read. As an added bonus, the Operator's Manual was bundled with the Service Manual!
I'd definitely use owner-manuals.com again.
PURITY ADJUSTMENT ADJUSTMENT PRECAUTION
NO. Adjustment part Adjusting procedure conditions Waveform and others 1 PURITY ADJ. 1. Receive GREEN-ONLY signal. Adjust the beam current to about 700 ÂµA. 2. Degauss CRT enough with the degausing
Make sure TV set is in â€¯NORMAL CONDITIONâ€¯ before switch to service mode for Adjustment.
a b NO. Adjustment part Adjusting procedure conditions Waveform and others coil.
netic field and keep the static convergence (PRESET) but with no signal input. roughly adjusted. Adjust the PLL data. through microscope. Adjust the landings to the tuner antenna. (RF SWEEP) 3. Adjust the sweep generator's to 80dBuV. Â» Tightening torque: 108N Â± 20 N the tuner's IF output terminal. (This terminal Fig. 1 to A rank requirement.
1 Tuner IFT 1. Get tuner ready to receive the E-9 signal, 3. Maintain purity magnet at the zero mag10k 1n60 1000p 4. Observe the points a, b, as shown in Fig. 1-1 2. Connect the sweep generator's output cable
Oscilloscope IF OUT
4. Connect the response lead (use LOW IMPED5. Orient the raster rotation to 0 eastward. (11kgf Â± 2 kgf) must have the probe alone connected). A
ANCE probe with wave detector; see Fig.1) to 6. Tighten up the deflection coil screws. 7. Make sure CRT corners landing meet the 5. Set the RF AGC to 0 6 V with no saturation
P C 6. Adjust tuner IF coil to obtain the waveform sheet to correct it.
A rank requirements. If not, stick the magnet with the waveform.
as shown in Fig. 2. Note:This adjustment must be done after -1.5+/-0.8dB warming up the unit for 30 minutes or longer with a beam current over Note: Be sure to keep the tuner cover in 700 ÂµA position during this adjustment. * For the following colours press R/C RGB key to Rank "A" change. (on right of the CRT)
Green-only Blue-only Red-only
B A = B
2 RF-AGC 1. Receive "PAL COLOUR BAR" signal. Note:
The loss of using impedance adapter Fig. 1-3 Fig. 3 in NORMAL MODE, the colour
A TAKE OVER Â» Signal Strength: 57 Â±1 dBÂµV (75 open) For the 50 ohm signal strength
POINT 2. Connect the oscilloscope to TP201 (Tunerâ€™s gauge, when not using 50/75 Signal-colour ADJUSTMENT impedance adapter, signal screen cleared AGC Terminal) as shown in Fig. 3. (I C BUS strength is 52 Â±1 dBÂµV(75 ohm B2 CONTROL) open), instead of 57 Â±1 dBÂµV
Oscilloscope + TP201 (75 ohm open). A = B 0.1V â€” Precaution:
Bias box TV Set
Rank "A" (on left of the CRT)
Â» Bias box: About 4.5 V
* Press R/C RGB key for 1 second will change to RGB mono colour
3. Call "AGC" mode in service mode. Adjust the mode.
4. Change the antenna input signal to colours screen.
The TEXT "R. G. Cy" Key can "AGC" bus data to obtain the Tuner output pin drop 0.1 V below maximum voltage. be directly use change to other
63~67dBÂµV, and make sure there is no noise.
5. Turn up the input signal 90~95 dBÂµV to be
sure that there is no cross modulation beat.