Emerson EWC1303 Manuel de service télécharger pdf (Page 12)

1-3-3 SFTY_Z13N

2. Installation

a. Using desoldering braid, remove the solder from

the foil of each pin of the Flat Pack - IC on the CBA,

so you can install a replacement Flat Pack - IC

more easily.

b. The "I" mark on the Flat Pack - IC indicates pin 1

(See Fig. S-1-6). Make sure this mark matches the

1 on the CBA when positioning for installation.

Then pre - solder the four corners of the Flat Pack-

IC (See Fig. S-1-7).

c. Solder all pins of the Flat Pack - IC. Make sure that

none of the pins have solder bridges.

Fig. S-1-1

Fig. S-1-2

Hot-air

Flat Pack-IC

Desoldering

Machine

CBA

Flat Pack-IC

Tweezers

Masking

Tape

Fig. S-1-3

Flat Pack-IC

Desoldering Braid

Soldering Iron

Fig. S-1-4

Fine Tip

Soldering Iron

Sharp

Fig. S-1-5

To Solid

Mounting Point

Soldering Iron

Iron Wire

Hot Air Blower

Fig. S-1-6

Example :

Pin 1 of the Flat Pack-IC

is indicated by a " " mark.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 66 67

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Emerson EWC1303 Manuel de service Page 12