1/1

Service Technical Information

 

MODEL NO.

SUFFIX

 

 

 

 

TVC1300 / S1311 / S2011 / CN140

U

 

 

 

 

TVAN145 / AS145 / AS205 / AS215 / CN140

NH

 

 

 

 

 

 

 

 

 

 

SUBJECT

 

 

 

 

 

Power off

 

 

REF No :G A1 053E0

 

 

 

 

DATE :20. SEP. 2001

 

 

 

 

 

 

 

 

 

 

<CONTENTS>

Power may off automatically due to the malfunction of 12 PIN (EXT terminal) of IC 1(micro processor)

In this case, please take the following corrective countermeasure.

<COUNTERMEASURE>

Micro processor may occur malfunction due to the noise of EXT terminal.

To prevent malfunction, attach the condenser 0.01F parallel to D4 on the reverse side.

Circuit diagram

5V

IC1

 

 

I2C BUS

R40

R35

12 EXT

INPUT CONNECTOR

4PIN

Add

 

 

D4

 

0.01F

Pattern diagram

 

 

 

 

Main C.B

 

 

FRONT

counter measure

REAR

 

 

circuit

Expansion figure

 

 

 

I C1

 

 

 

I C301

D4

0.01F

 

 

 

IC1

12

 

 

Be sure with glue after attaching the condenser.

 

 

Ref.

Parts Code

Description

 

 

Remarks

 

 

 

 

 

 

 

 

 

 

 

 

 

87A11132080

CAP,TC U 0.01 50 K B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G

 

R

 

Code No.

 

Access Code

Modified Ser. No.

 

Parts Schedule

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Aiwa TV 1402, TV 2002, TV 2102 manual 4PIN, Front