Be sure to wind the unwound tape with the unit in the horizontal position.) Rotate Gear Worm clockwise using a screwdriver until the mecha is in the eject state. Remove the tape. (Refer to Fig. 2) Model No.: VCR-S608 Version: 1.0...
10. Immediately before handling any semiconductor components or assemblies, drain the electrostatic charge from your body by touching a known earth ground. Alternatively, wear a discharging Wrist-strap device. (Be sure to remove it prior to applying power--this is an electric shock precaution.) Model No.: VCR-S608 Version: 1.0...
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15 Never defeat any of the B+ voltage interlocks. Do not apply AC power to the unit (or any of its assemblies) unless all solid-state heat sinks are correctly installed. 16 Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrument’s ground lead last. Model No.: VCR-S608 Version: 1.0...
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Use replacement components that have the same ratings, especially for flame resistance and dielectric strength specifications. A replacement part that does not have the same safety characteristics as the original might create shock, fire or other hazards. Model No.: VCR-S608 Version: 1.0...
Momently short-circuit th test point on Main PCB with pincers to set the adjustment mode. b. If the corresponding adjustment button is pressed, the adjustment is performed automatically. When the adjustment is completed, be sure to turn the power off. Model No.: VCR-S608 Version: 1.0...
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-10 - Location of adjustment button of remote control Model No.: VCR-S608 Version: 1.0...
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-11 - Location for adjustment mode setting Model No.: VCR-S608 Version: 1.0...
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5) Press the “ENTER” button of remote control again to store the option number. Turn the Power off. Model Option numbers VCR-608(S) 6, 7, 8, 9, 10, 12, 15, 20, 22, 25, 27, 29, 35, 38, 42, 47, 55, 56, 57, 61, 64 Model No.: VCR-S608 Version: 1.0...
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#3 GUIDE POST PINCH ROLLER TENSION POST TILT SCREW #9 GUIDE POST X - POSITION ADJUST SILT AZIMUTH SCREW CAPSTAN #8 GUIDE POST TAKE UP REEL DISK SUPPLY REEL DISK Fig. 2-5 Location of Tape Transport Adjustment Model No.: VCR-S608 Version: 1.0...
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0.25mm. (Refer to Fig. 2-7 and 2-8) SCREW (A) SCREW (C) TLIT ADJUST HEIGHT ADJUST X-POSITION ADJUSTING SLIT SCREW (B) SCREW (D) AZIMUTH ADJUST X-POSITION LOCKING Fig. 2-7 Location of ACE Head Adjustment Screw Model No.: VCR-S608 Version: 1.0...
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3. If a curl or wrinkle of the tape occurs, slightly turn the screw (A) tilt adjust on the ACE head ass’y. 4. Reconfirm the ACE head height. WRINKLE (BAD) (GOOD) Fig. 2-9 Tape Guide Check Model No.: VCR-S608 Version: 1.0...
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5. Insert the (-) driver into the X-Point adjustment hole and adjust it so that envelope waveform is maximum. Test point : TP301 (Envelope) TP302 (Audio output) TP602 (H’D S/W -Trigger) AUDIO OUTPUT ENVELOPE HEAD SWITCHING Fig. 2-10 Location of Test point (Main PCB-Top View) Model No.: VCR-S608 Version: 1.0...
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8. Turn the guide roller heads with a flat head ( ) driver to obtain a flat video RF envelope as shown in Fig. 2-13. a b c d c,b,d/a Fig. 2-11 Envelope Waveform Adjustment Model No.: VCR-S608 Version: 1.0...
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Fig. 2-12 Adjustment Points IDEAL ENVELOPE S HEIGHT TOO HIGH T HEIGHT TOO HIGH S HEIGHT TOO LOW T HEIGHT TOO LOW GUIDE ROLLER S GUIDE ROLLER T Fig. 2-13 Guide Roller S, T Height Adjustment Model No.: VCR-S608 Version: 1.0...
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The video envelope should meet the specification as shown in Fig. 2-15. In SP mode, (A) should equal (B). If the head gap is wide, upper cylinder should be checked. Fig. 2-15 Envelope Input and Output Level Model No.: VCR-S608 Version: 1.0...
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Note : If the specification does not meet the followings specifications, replace the holder clutch ass’y and then recheck. <Table 2-2> MODE TORQUE g/cm GAUGE 42 ± 11 Cassette Torquemeter 145 ± 30 Cassette Torquemeter Model No.: VCR-S608 Version: 1.0...
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Resistor are in ohms, 1/8W unless otherwise noted. Special note: Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the “electrostatically sensitive (ES) devices” section of this service manual. BLOCK IDENTIFICATION OF MAIN PCB Model No.: VCR-S608 Version: 1.0...
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