DAEWOO S2 MECHA
Service Manual

ADJUSTMENT OF TAPE TRANSPORTING SYSTEM

2) Pre-Adjustment of the Path (Adjustment of PG)
A. C onnect the Channel 1(CH 1) of the O scilloscope to TP01-3(Head Switching Pulse) and CH2 to the V IDEO OU T. And align the Tracking VR on the center. B. Playback the Stair-step Signal Tape(DN 2). C. Turn the PG Volum e and adjust the gap between the S witching signal and the V-S ync signal to be 6.5H0.5H .

Figure 5-5

3) linearity Adjustment
Connect the Channel 1(CH1) of the O scilloscope to the TP01-2(CTL Pulse) and CH2 to the TP01-4(Envelope Wave) and EXT. Trigger to the TP01-3(Switching P ulse). And then, playback the test tape in the SP M ode. 3-1) Adjustm ent of S & T side A. Adjust the Tracking VR to m axim ize the RF signal of the test tape. B. Make the entrance and exit side Envelope Wave same as Fig. 5-6 by adjusting the S/T-Guide Roller ( and of Fig. 5-1). 3-2) Rough Adjustm ent of the X-Position A. Turn the Tracking V R to align it on the center. B. Loosen the A /C Head Screws by turning about 90120.

Figure 5-6

Figure 5-7

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