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

Page 20

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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Contents Page Http//getMANUAL.com Page Page Service Technical Information ContentsTV − F2000 / F2400 C901 Countermeasure IC1PROTECTOR,4A 491SERIES Schematic DiagramWiring SH3 SH2KE2 C D E FDistinction switch set up data for each model TV−C463100pF C46239pF TV− SE1430 / SE2130 / C1400 Symptom Audio PWBBlack marking 16V SMGNH / NH KIT,ZJA−Be care to Direction of diode Mcfm KY,EZY,KHYFront Rear 4PIN FrontKE,KER SH,SHRIC1 36PIN TV C148 SHRJ4C,SHRJLRC,SHJRCEZY 1DW195DE5Q, IC MainKY,EZY KHY KER / SH SHRWiring diagram KER / KE −F BEAD,FBR07HA121NBRemove the JW606 and JW608 which connect the GND traces EZ / K,EZ,KH TRL341G 21CRT T/POLCOLORPHILIPS21CRT PHILIPST/POLCOLOR 14CRT Philipschunghwa StereoPage Page No Power KERJ2C,KEJ2C SHJ2C / SHJ2CRepair CRT,A51QAE320X45CQMAPage Page Page Page Page Page Page Page 2K HR SL OLD Parts NEW PartsCAP,CER 560P − 2K HR SL ZENER,MTZJ9.1C IC3 Enter AV Mode Sleep Menu PowerDate IC3