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unit measured by DC electronic voltmeter (high impedance) and
oscilloscope on the basis of chassis. Accordingly, there may arise
some error in voltage values and waveforms depending upon the
internal impedance of the tester or the measuring unit.
- Importance safety notice :
Components identified by
important for safety. Furthermore, special parts which have
purposes of fire-retardant (resistors), high-quality sound
(capacitors), low-noise (resistors), etc. are used. When replacing
any of components, be sure to use only manufacturer's specified
parts shown in the parts list.
Caution !
IC, LSI and VLSI are sensitive to static electricity.
Secondary trouble can be prevented by taking care during repair.
- Cover the parts boxes made of plastics with aluminium foil.
- Put a conductive mat on the work table.
- Ground the soldering iron.
- Do not touch the pins of IC, LSI or VLSI with fingers directly.
11. Printed Circuit Board
12. Wiring Connection Diagram
13. Illustration of IC's, Transistors and Diodes
14. Parts Location and Replacement Parts List
Notes:
- Important safety notice:
Components identified by
important for safety.
Furthermore, special parts which have purposes of fire-retardent
(resistors), high-quality sound (capacitors), low noise (resistors),
etc are used.
When replacing any of these components, be sure to use only
manufacturer's specified parts shown in the parts list.
- The parenthesized indications in the Remarks columns specify the
areas or colour. (Refer to the cover page for area or colour)
Parts without these indications can be used for all areas.
mark have special characteristics
mark have special characteristics
12
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