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

Page 20

1/1

Service Technical Information

 

MODEL NO.

SUFFIX

 

 

 

 

TV− C1300 / S1311 / S2011 / CN140

U

 

 

 

 

TV− AN145 / AS145 / AS205 / AS215 / CN140

NH

 

 

 

 

 

 

 

 

 

 

SUBJECT

 

 

 

 

 

Power off

 

 

REF No :G − A1 − 053− E0

 

 

 

 

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 0.01∝ F parallel to D4 on the reverse side.

Circuit diagram

5V

IC1

 

 

I2C BUS

R40

R35

12 EXT

INPUT CONNECTOR

4PIN

Add

 

 

D4

 

0.01∝ F

Pattern diagram

 

 

 

 

Main C.B

 

 

FRONT

counter measure

REAR

 

 

circuit

Expansion figure

 

 

 

I C1

 

 

 

I C301

D4

0.01∝ F

 

 

 

IC1

12

 

 

∗ Be sure with glue after attaching the condenser.

 

 

Ref.

Parts Code

Description

 

 

Remarks

 

 

 

 

 

 

 

 

 

 

 

 

 

−

87− A11− 132− 080

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