Philips cdm 12 1 laser
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Extracted text from philips cdm 12 1 laser (Ocr-read)
Page 1
COMPACT DISC MECHANISM CDM12.1
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Service
This Service Information is valid for the following typenumbers:
A8440, AS445, A8450, AS455, A8540, AS545, A8550, AS640, A8641, A8642, A8645, A8650, A8655, A28040,
0060, CD70, 0080, 0091, CD163, CD165, CD410, 00690/2x, 00692/2x, 00710, CD720, 00730, 00732.
CD733, CD740, CD750, 00910, 00911, CD920, 00921, 000263, 000265, 000745, 000751, 000794,
000796, 000915, 000916, 000925, 000926, 000935, 000936, 081600, 082600, FW14, FW15, FW20,
FW21, FW30, FW31, FW36, FW40, FW41, FW54, FW56, FW70, FW80, and all future sets using the CDM12.1.
CHARGED CAPACITORS ON THE SERVO BOARD MAY DAMACE THE CDM-ELECTRONICS WHEN
CONNECTING A NEW CDM MECHANISM. THAT'S WHY, BESIDES THE SAFETY MEASURES LIKE
0 SWITCH OFF POWER SUPPLY
0 ESD PROTECTION
ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN.
The followingsteps have to be done when replacing the CDM mechanism:
Disconnect old 00M flexfoil from printed board
Connect paperclip to COM flexfoil to short-circuit flexfoil (fig.1)
Short-circuit printed board with brass-sheet (4822 321 11197) plugged into the flexfoil connector (fig.2)
Remove old CDM mechanism
Position new 00M mechanism in its studs
Remove short-circuit from printed board connector
Remove short-circuit from flexfoil of new 00M
Connect new flexfoil to print connector (fig.3)
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fig.1
1996-02-01 4822 725 24971
CS 45 993