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muy buen manual por lo completo de este algunos esquemas estan muy divididos lo que hace algo dificil el seguimiento.
very good manual, with detail and clarity in esquematic diagrams and waveforms .
Very quality copy of original service manual, which contains the circuit diagrams, PCB and lists of components, well as recommendation for calibration procedures of device, also everything else, that need for repair, tuning and use this oscilloscope.
All presented copies have high-resolution, so you can view all in detail.
This manual will very useful for simple owners and for repairers.
I recommend these manual, because myself is owner of Philips PM3216 and I need sometimes servicing these oscilloscope (principally calibrating).
Also, these document is an example of excellent design of technical documentation.
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
manual excelente completo , diagramas y esquemas bien presentados y buena calidad de imagen.
DECK MECHANISM ADJUSTMENT
5. Audio/Control (A/C) Head Adjustment
Purpose: To insure that the Tape passes accurately over the Audio and Control Tracks in exact Alignment in both the Record and Playback Modes.
5-1. Preliminary Adjustment (Height and Tilt Adjustment) Perform the Preliminary Adjustment, when there is no Audio Output Signal with the Alignment Tape. Test Equipment/ Fixture
â¢ Blank Tape â¢ Screw Driver(+) Type 5mm
Test Conditions (Mechanism Condition)
â¢ Play the blank tape
â¢ Tilt Adjustment Screw(C) â¢ Height Adjustment Screw(B) â¢ Azimuth Adjustment Screw(A)
1) Initially adjust the Base Assembly A/C Head as shown Fig. C-5-1 by using the Height Adjustment Screw(B). 2) Play a Blank Tape and observe if the Tape passes accurately over the A/C Head without Tape Curling or Folding. 3) If Folding or Curling is occured then adjust the Tilt Adjustment Screw(C) while the Tape is running to resemble Fig. C-5-3. 4) Reconfirm the Tape Path after Playback about 4~5 seconds.
Ideal A/C head height occurs, when the tape runs between 0.2~0.25mm above the bottom edge of the A/C head core.
A/C Head P4 Tape
A/C Head Base Fig. C-5-1 Fig. C-5-3
X-Value Adjustment Hole
Azimuth Adjustment Screw(A)
Tilt Adjustment Screw(C) Height Adjustment Screw(B)
A/C Head Assembly Fig. C-5-2