adjusted by using " On Screen Display " and the remote control instead of adjusting mechanical
controls (VR).
6.3.2. TEST EQUIPMENT
To do all of these electrical adjustments, the following equipment is required.
1. Dual-Trace Oscilloscope
Voltage Range: 0.001 V to 50 V/Div.
Frequency Range: DC to 50 MHz
Probes: 10:1, 1:1
2. Isolation Transformer (Variable)
3. VHS Alignment Tape (VFMS0003H6)
4. TV monitor
6.3.3. HOW TO READ THE ADJUSTMENT PROCEDURES
Fig.E1
6.3.4. PG SHIFTER ADJUSTMENT
Purpose:
Determine the Video Head Switching Point during Playback.
Symptom of Misadjustment:
May cause Head Switching Noise and/or Vertical Jitter.
Test Point :
TP3001 (Main C.B.A.),
TP6205 (Main C.B.A.)
Specification:
46
Summary of Contents for NV-SJ4140PN
Page 6: ...Fig 1 4 Fig 1 5 6 ...
Page 19: ...Figure 19 ...
Page 24: ...5 2 3 EJECT Position Confirmation Fig J1 2 24 ...
Page 35: ...5 3 CASSETTE UP ASSEMBLY SECTION 5 3 1 Top Plate Wiper Arm Unit and Holder Unit Fig K1 1 35 ...
Page 50: ...10 2 MECHANISM BOTTOM SECTION 50 ...
Page 51: ...10 3 CASSETTE UP COMPARTMENT SECTION 51 ...
Page 52: ...10 4 CHASSIS FRAME AND CASING PARTS SECTION 52 ...
Page 53: ...10 5 PACKING PARTS AND ACCESSORIES SECTION 53 ...