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1-4. Inductor Indication
Unit None m m None B C D F G K M ........... H ........... mH ........... mH ........... ±5% ........... ±0.1% ........... ±0.25% ........... ±0.5% ........... ±1% ........... ±2% ........... ±10% ........... ±20%
Eg. 4
Tolerance
Type name
Fig. 3-1-4
1-5. Waveform and Voltage Measurement
� The waveforms for CD/DVD and RF shown in the circuit diagrams are obtained when a test disc is played back. � All voltage values except the waveforms are expressed in DC and measured by a digital voltmeter.
Eg. 5
10µ
Type
Tolerance
1-6. Others
� The parts marked with �NC� or �KETU� in the circuit diagrams are not used for this model. Fig. 3-1-5
1-7. When Replaced ROM ICs or Upgraded Firmware
1. When replaced the following ROM ICs, it is necessary to write the data into the new ICs. 1) IC615 (firmware) 2) IC613 (Setup default data and other information) 2. When the firmware is upgraded, rewriting the new firmware into IC615 may be requested for servicing.
DATA UPDATE KIT (RS232C Interface/cable)
3. Connect a computer to the main PC board of the DVD video player with using DATA UPDATE KIT (P/No. 79080074). (Fig. 3-2-6) 4. Writing operation Refer to the instruction attached to the data floppy disc.
RS-232C cable Computer (MS-DOS/PC-DOS)
Fig. 3-1-6 Note: � The firmware and setup data floppy discs are not available as service parts. For more information, consult TOSHIBA service office in your area.
