— 9 —
4 HANDLING THE OPTICAL PICK-UP
The laser diode in the optical pick up may suffer electrostatic
breakdown because of potential static electricity from clothing and
your body.
The following method is recommended.
(1) Place a conductive sheet on the work bench (The black sheet used
for wrapping repair parts.)
(2) Place the set on the conductive sheet so that the chassis is grounded
to the sheet.
(3) Place your hands on the conductive sheet (This gives them the
same ground as the sheet.)
(4) Remove the optical pick up block
(5) Perform work on top of the conductive sheet. Be careful not to let
your clothes or any other static sources to touch the unit.
◆
Be sure to put on a wrist strap grounded to the sheet.
◆
Be sure to lay a conductive sheet made of copper etc. Which is
grounded to the table.
Fig.3
(6) Short the short terminal on the PCB, which is inside the Pick-Up
ASS’Y, before replacing the Pick-Up. (The short terminal is shorted
when the Pick-Up Ass’y is being lifted or moved.)
(7) After replacing the Pick-up, open the short terminal on the PCB.
THE UNIT
WRIST-STRAP
FOR GROUNDING
1M
1M
CONDUCTIVE SHEET
Summary of Contents for SLV-D940P AZ
Page 67: ...3 Block Diagram 3 2 3 1 SLV D940P AZ D940P EA D940P ME ...
Page 68: ...MEMO 3 4E ...
Page 70: ...4 3 4 4 4 1 VCR Main COMPONENT SIDE ...
Page 71: ...4 6 4 5 CONDUCTOR SIDE ...
Page 72: ...4 7 4 8 4 2 DVD Main COMPONENT SIDE ...
Page 73: ...4 10 4 9 CONDUCTOR SIDE ...
Page 74: ...4 12E 4 11 4 4 FUNCTION 4 3 Dial ...
Page 76: ...5 4 5 3 5 1 S M P S ...
Page 77: ...5 6 5 5 5 2 Power Drive ...
Page 78: ...5 8 5 7 5 3 OSD VPS PDS ...
Page 79: ...5 10 5 9 5 4 A2 NICAM ...
Page 80: ...5 12 5 11 5 5 A V ...
Page 81: ...5 14 5 13 5 6 Hi Fi ...
Page 82: ...5 16 5 15 5 7 TM ...
Page 83: ...5 18 5 17 5 8 I O ...
Page 84: ...5 20 5 19 5 9 SYSCON ...
Page 85: ...5 22 5 21 5 10 Logic Function ...
Page 86: ...5 24 5 23 5 11 DVD A V ...
Page 87: ...5 26 5 25 5 12 DVD decoder Servo ...
Page 88: ...MEMO 5 28E ...
Page 116: ...7 18E MEMO ...