Preparations For Check, Adjustment And Replacement Of Mechanism Block; Service Jigs And Tools - Sony DCR-TRV725E Service Manual

1. Preparations for Check, Adjustment and Replacement of Mechanism Block

Before Replacement, Check or Adjustment
• Refer to the "DISASSEMBLY" section of the SERVICE MANUAL of the respective models for details of removing cabinets and printed
wiring boards.
• When checking a mechanism ir making any adjustment to the mechanism or replacing mechanical parts, be sure to use the Mode Selector
II and select the appropriate status of the mechanical deck such that the mechanical status is suitable for the desired work. Refer to section
"1-2. Mode Selector II Operating Procedure" for details on how to enter the mode shown in a rectangle [
of this manual.
* Assemble and adjust the parts in the [USE] mode if any mode is not specified in this manual.

1-1. Service Jigs and Tools

Ref. No.
J-1 Cleaning fluid
J-2 Wiping cloth
Super-fine applicator
J-3
(made by Nippon Applicator (P752D))
J-4 Head eraser
J-5 Mirror (small oval type)
J-6 Alignment tape
J-7 FWD/RVS take-up torque cassette
J-8 Tape path screwdriver
J-9 Adjustment remote commander (RM-95 upgrated)
J-10 MD process table
J-11 Floil grease
J-12 Torque screwdriver
J-13 Mode Selector II
J-14 Mode Selector II conversion board
J-15 Mode Selector II ROM, Ver 1.6
J-16 Thickness gauge
Other required equipment:
• Oscilloscope
• Analog tester (20 kΩ)
Name
NTSC : WR5-1NP
PAL : WR5-1CP
Part code Jig inscription
Y-2031-001-0
7-741-900-53
commercially available
J-6080-840-A GD-2038
8-967-995-02
8-967-995-07
J-6080-824-A GD-2086
J-6082-026-A
J-6082-053-B
J-6082-166-A
7-662-001-39
J-9049-330-A
J-6082-282-B
J-6082-516-A
J-6082-314-E
9-911-053-00
Note: If the micro processor IC in the adjustment remote commander is
not the new micro processor (UPD7503G-C56-12), the pages cannot
be switched. In this case, replace with the new micro processor (8-
759-148-35).
— 3 —
] mode in the sequent sections
Used for
Tape path
Tape path
For tracking adjustment
For tape guide adjustment
Tape path (for setting the path mode)(Note)
For capstan azimuth adjustment,
LS cam plate position adjustment