Marantz BD7003 Service Manual page 14

Instructions for Handling Semi-
Instructions for Handling Semi-
conductors conductors
Electrostatic breakdown of the semi-conductors may
Electrostatic breakdown of the semi-conductors may
occur due to a potential difference caused by occur due to a potential difference caused by
electrostatic charge during unpacking or repair work. electrostatic charge during unpacking or repair work.
1. Ground for Human Body 1. Ground for Human Body
Be sure to wear a grounding band (1 MΩ) that is Be sure to wear a grounding band (1 MΩ) that is
properly grounded to remove any static electricity that
properly grounded to remove any static electricity that
may be charged on the body. may be charged on the body.
2. Ground for Workbench 2. Ground for Workbench
Be sure to place a conductive sheet or copper plate Be sure to place a conductive sheet or copper plate
with proper grounding (1 MΩ) on the workbench or with proper grounding (1 MΩ) on the workbench or
other surface, where the semi-conductors are to be other surface, where the semi-conductors are to be
placed. Because the static electricity charge on
placed. Because the static electricity charge on
clothing will not escape through the body grounding clothing will not escape through the body grounding
band, be careful to avoid contacting semi-conductors band, be careful to avoid contacting semi-conductors
with your clothing. with your clothing.
<Incorrect> <Incorrect>
<Correct> <Correct>
1MΩ 1MΩ
CBA CBA
Grounding Band Grounding Band
1MΩ 1MΩ
CBA CBA
Conductive Sheet or Conductive Sheet or
Copper Plate Copper Plate
1-4-4
12
1-4-4
BDN_SN
DVDP_SN