Daewoo 719BF Service Manual download pdf (Page 8)

◆ Power IC, Transistor or Devices Removal/Replacement

1. Heat and remove all solders from the device leads.

2. Remove the heatsink mounting screw (if applicable).

3. Carefully remove the device from the circuit board.

4. Insert new device in circuit board.

5. Solder each device lead and then clip off excess lead.

6. Replace heatsink.

◆ Diode Removal/Replacement

1. Remove defective diode by clipping its leads as close as possible to diode body.

2. Bend the two remaining leads perpendicularly to the circuit board.

3. Observing diode polarity, wrap each lead out of the new diode around the corresponding lead on the

circuit board.

4. Securely crimp each connection and solder it.

5. Inspect the solder joints of the two “original” leads on the circuit board copper side. If they are not

shiny, reheat them and apply additional solder if necessary.

TECHNICAL INFORMATION

Model 719B 719BF

CDT Size 17-inch 17-inch DynaFlat

Diagonal visible image area 16.2-inch 16.01-inch

Dot Pitch 0.28 mm 0.25 mm

Synchronization Horizontal 30 - 70 KHz

Vertical 50 - 160 Hz

Plug and Play DDC1/2B/CI

Power Saving EPA, VESA DPMS, Nutek Compliant

Power Source 100-240 Vac, 50/60Hz (Free Voltage)

Power Consumption 85W

Dimension-W x H x D 410 x 402 x 425mm 410 x 407 x 419mm

(set with stand)

Weight-unpacked(lbs/Kg) 32.0/14.5 35.2/16

Operating Temperature 10 ~ 40°C /50 ~ 104°F

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Daewoo 719BF Service Manual Page 8