DAEWOO CP770 CHASSIS DUA3291GB TV SM.pdf

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P/N : TCP770FEF0

Service Manual

Digital Television

CHASSIS :

Model :

CP-770

DUA-3291GB

DUA-3270GB

Caution

: In this Manual, some parts can be changed for improving. their

performance without notice in the parts list. So, if you need the

latest parts information, please refer to PPL(Parts Price List)in

Service Information Center.

JAN. 2006

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TABLE OF CONTENTS

1. SPECIFICATION

3

2. BLOCK DIAGRAM

4

3. EEPROM PRESETTING DATA

6

4. SERVICE REMOTE CONTROL(R-30SVC6)

7

5. ADJUSTMENT METHOD

8

6. TROUBLE-SHOOTING

10

7. SCHAMETIC DIAGRAM

19

8. PRINTED CIRCUIT BOARD

24

9. MECHANICAL EXPLODED DIAGRAM

29

10. PART LIST

30

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1. Specification

MODEL

DUA-3291GB, DUA-3270GB

Power Source

AC 220V ~ 240V, 50Hz

Power Consumption

120W

Picture Tube

76cm

Audio Output

7W(L) + 7W(R), 8

H

890

DIMENSIONS(mm)

W

580

D

564

Weight(kg)

67

VHF

BAND I : CH2 ~ CH4

BAND II : CH5 ~ CH12

Reception Channel

CANLE BAND : S1’ ~ S3’, S1 ~ S20

HYPER BAND : S21 ~ S41

UHF

BAND IV, V : CH21 ~ CH69

AERIAL

VHF/UHF

SCART JACK(REAR)

AV1/SVH S1 : 21pin EURO JACK(AUDIO IN/OUT, VIDEO IN, Y IN, RGB IN, TV OUT)

AV2 : 21pin EURO JACK(AUDIO IN/OUT, VIDEO IN, YC IN, MONITOR OUT)

RCA Jack(side)

AV3/SVHS3 : AUDIO IN/OUT, VIDEO IN, S-VIDEO IN

RCA Jack(rear)

SPDIF AUDIO OUT, AUDIO OUT(MONITOR OUT)

CI SLOT(rear)

PCMCIA CARD

3

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2. Block Diagram

1) Analog Part

4

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When Analog Tuner is operating,

VCTi use the same I2C .

I2C , AGC

TD1316AL

(Digital tuner)

DRX- 3975D

(COFDM Demodulator)

74ALVC164245

(Buffer)

IF

FE1DATA(0..7),

FE1CLK,

FE1START,

FE1VALID,

TS1 Input : Without CI

TS2 Input : With CI

I2c

TS1

PCMCIA

74ALVC164245

(Buffer)

Main

interface

Y/C,

R/L,

SPDIF,

UART,

Etc.

TS2

TPS2211A

(power supply)

MDE9518

XC1_VCC5/3EN

XCI1

74ALVC164245

(Buffer)

GuestBus

74ALVC164245

(Buffer)

TCK,

TMS,

Rx,Tx

I2c

When UART is connected

to PC serial,

It checks the condition of MDE.

K4S561632C

(SDRAM)

K4S561632C

(SDRAM)

AMD29LV128

(FLASH)

JTAG

Rx,Tx,Gnd

MAX3241

(RS- 232 transceiver)

(3 Pin. con.)

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