Text preview for : S.G_AT3201W_CH4.pdf part of Acer AT3201W ACER AT3201W-CH1 EU & US_ LCD TV Service Manual



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AT3201W Troubleshooting Guideline

AT3201W System Block Diagram
INVERTER PANEL

CON17 CON18

CON16

IO/B POWER/B
CON11 CON3

MAIN/B
CON12 CON4 CON6 CON7 CON8

Tuner SCART RGB SCART YUV

BUTTON/B

Sub IO/B
YUV CVBS S-Video

AUDIO/B

SPEAKER-L SPEAKER-R

EARPHONE/B

Main Board Block Diagram
LVDS TH63LVDM83R DVI

DVI EP169
Pixelworks PW218 Scaler

DDR K4D263238 FLASH AM29LV160 PIC 16F73

VGA YPbPr YCbCr

Video A/D Converter MST9883

CVBS-A CVBS-B CVBS-C SCART-YUV PC Audio

Video & Audio SW TA1218

Video Decoder SAA7119

SCART-RGB

IO Board Block Diagram
Audio TV Video

SCART1 RGB PORT

SCART2 YUV PORT
AV2 Video AV2 Audio

AV1 Video

AV1 Audio

Tuner FQ1216ME
TV Audio

TV Video

Video & Audio SW TA1218
Audio

Audio Processor MSP34X5G

Teletext Connect

IO PORT
SCART RGB SCART YUV

Audio Board Block Diagram
Audio IN

Audio Processor NJW1165M

SRS Audio Processor NJM2700

Audio Amplifier TA2024

SPEAKER-L

SPEAKER-R

Start Start

No No

Does the unit Power on

Yes Yes

No power on
LCD Fail
DDC / POP PIP Fail RF No Signal / HDTV Fail Unit Hang Up Suddenly
AV1,AV2 Speaker No Sound

TV Channel Fail

Remote Control Fail

Button Function Fail

AV3,AV4 Speaker No Sound

Can't Change to Factory Mode

1 2 3 4 5 6 7 8 9 10 11

11

N.G

Power Cord Power Cord

Replacement

Power Cable

N.G

Replacement

Power Board

N.G

Replacement

Main Bard

N.G

Replacement

Audio Board

N.G

Replacement

END

22

LCD No Back Light

LCD No Display

CCFT Cable

N.G

N.G

Replacement

LCD Cable

Inverter Board

N.G

N.G

Replacement

Main Board

N.G

N.G

LCD Panel

Replacement

LCD Panel

Main Board

N.G

Replacement

END

END

33

N.G

Button Board

Replacement

I/O Board

N.G

Replacement

Main Board

N.G

Replacement

END

4

Main Board

N.G

Replacement

END

55

N.G

IR Cable

Replacement

IR board

N.G

Replacement

Main Board

N.G

Replacement

END

6

N.G

IO Board

Replacement

Main Board

N.G

Replacement

END

77

N.G

Button Cable

Replacement

Button Board

N.G

Replacement

Main Board

N.G

Replacement

END

8

N.G

Power Board

Replacement

Main Board

N.G

Replacement

END

99

N.G

Sub IO Cable Sub IO Cable

Replacement

Sub IO Board

N.G

Replacement

Audio Board

N.G

Replacement

Main Bard

N.G

Replacement

END

10 10

N.G

Audio Cable Audio Cable

Replacement

Speaker

N.G

Replacement

Audio Board

N.G

Replacement

Main Board

N.G

Replacement

IO Board

N.G

Replacement

END

11 11

N.G

Button Cable Button Cable

Replacement

Button Board

N.G

Replacement

IO Board

N.G

Replacement

Main Board

N.G

Replacement

END