Sharp SL-5500 Service Manual page 45

[COUNTERMEASURES AGAINST STATIC ELECTRICITY]
• Use a wrist strap (earth band).
• Never touch the PWB with bare hands.
• When handling the PWB, hold the edge.
• Use only the specified fine solder.
• Soldering condition: 320 degrees, max. 3 sec.
a. PWB Insulation Sheet attachment
Clean and remove oil with IPA from the PWB Insulation Sheet of the
PWB, and attach the sheet to the attachment reference. After
attachment, press the attached section to secure attachment.
Note: (1) The sheet must not extend out of the outward form of
the PWB.
(2) There must be free from wrinkles, folds, and projec-
tions by pinching foreign materials.
(3) There must be free from dirt and fingerprints. If there
is, remove completely.
Attachment reference
Must be located between
Attachment reference
right and left attachment
reference patterns.
+0
(PWB outward form line)
-0.2
Attachment reference
pattern
b. CF Card Connector Frame attachment, soldering, CF Tape attach-
PWB Insulation Sheet
Attachment reference
pattern
SL-5500 DISASSEMBLY AND ASSEMBLY
– 44 –
ment
While inserting the Hold Down Pawls (2 pcs.) of the CF Card into
the PWB, put it over the CF Card Connector. Then solder the Hold
Down Pawls (2 pcs.). (Either the front or the back may be soldered.)
Attach and fold the CF Tape to the CF Card Connector Frame
according to the reference below.
Note: (1) Be careful not to bend the CF Connector Pin.
(2) Put the connector frame closely in contact with the
PWB.
1
+0
Attachment reference
-0.5
-0
Attachment reference
PC-UM10M
CF Tape
Hold Down Pawls
[CF Tape attachment]
CF Card Connector Frame
Do not hang
on this metal
+0.5
CF Tape
Folding attachment