Sanyo LCD-42XF7 Manual de usuario

SERVICE MANUAL LCD Television

N7YW

FILE NO.

Model No. LCD-42XF7

(Argentina)

Give complete “SERVICE REF. NO.” for parts order

or servicing. It is shown on the rating label at the

cabinet back of the unit.

This T.V. receiver will not work properly in for-

eign countries where the television transmis-

sion system and power source differ from the

design specifications. Refer to the specification

table.

Service Ref. No. LCD-42XF7-00

Product Code:113022517

Original Version

Chassis Series: UE6-L

Contents

Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . 4

IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

On-screen Service Menu System . . . . . . . . . . . . . . . . 14

Service Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Mechanical Disassembly . . . . . . . . . . . . . . . . . . . . . . 21

Cabinet Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Chassis Electrical Parts List. . . . . . . . . . . . . . . . . . . . . 27

Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Aclaración :

Los modelos 42LC822F marca Noblex , PLF4210 marca Philco y LT42R50 marca

JVC utilizan los mismos circuitos , la diferencia es la gabinetería.

Safety Notice

-2-

Safety Precautions

The following precautions must be observed.

1: Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the

cabinet or on the chassis.

2: When replacing a chassis in the cabinet, always be certain that all the protective devices are installed

properly, such as, control knobs, adjustment covers or shields, barriers, etc..

DO NOT OPERATE THIS TELEVISION WITHOUT THE PROTECTIVE SHIELD IN POSITION AND PROPERLY

SECURED.

3: Before replacing the cabinet cover, thoroughly inspect the inside of the cabinet to see that no stray parts or

tools have been left inside.

Before returning any television to the customer, the service personnel must be sure that it is completely safe to

operate without danger of electrical shock.

Product Safety Notice

Product safety should be considered when a component replacement is made in any area of a receiver.

Components indicated by mark in the parts list and the schematic diagram designate components in which

safety can be of special significance. It is particularly recommended that only parts designated on the parts list

in this manual be used for component replacement designated by mark . No deviations from resistance

wattage or voltage ratings may be made for replacement items designated by mark .

Specifications

-3-

Power Source

AC 100 - 240 Volts, 50/60 Hz

Receiving System

PAL-N, PAL-M, NTSC3.58

Channel Coverage

ANTENNA mode

VHF: CH02 - CH13

UHF: CH14 - CH69

CATV mode

VHF band: CH01-CH13

MID band: CH14-CH22

SUPER band: CH23-CH36

HYPER band: CH37-CH64

ULTRA band: CH65-CH94 and CH100-CH125

Low MID band: CH95-CH99

Aerial Input Impedance 75 

LCD panel

Screen Size (Measured Diagonally): 42 inches

Picture Resolution: WXGA 1920 (Horiz..) x 1080 (Vert.) pixels

Brightness: 500 cd/m2

Audio Output (RMS) 10 W + 10 W

Speaker Size Mains: 6 cm x 12 cm x 2 pcs

Input and Output Terminals

AV1 Input Video Input: Composite video Input (RCA Jack) x1

Audio Input: L/R Stereo Input (RCA Jack) x 1 set

AV2 Input Video Input: Composite video Input (RCA Jack) x1

Audio Input: L/R Stereo Input (RCA Jack) x 1 set

S-Video Input: DIN 4-pin Jack x1

AV3 Input Video Input:Component Y (combined with composite video input), CB, CRInput (RCA Jack) x1 set

Audio:L/R Stereo Input (RCA Jack) x 1 set

HDMI Input HDMI Terminal 19 pin x4

PC Input Video Input: D-SUB 15 pin x1

Audio Input: Mini stereo jack x 1

Output Terminals Video Monitor Output: RCA jack x 1

Audio Monitor Output: L/R Stereo Output (RCA jack) x 1 set

Headphone Jack : Mini stereo jack x1

Dimensions (W x H x D) 1027.5 x 661 x 259.5 mm (including stand)

Weight (NET) 14.9 (including stand)

Environmental Considerations

Operating Temperature Û&aÛ&Û)aÛ)

Operating Humidity a

Storage Temperature Û&aÛ&Û)aÛ)

Storage Humidity a

Accessories Owner’s Manual

Remote Control

Place of Production Argentina

-4-

Chassis Block Diagram

MAIN SIGNAL PROCESSING CIRCUIT

MST6M16

Tuner

4ϾI/0

Monitor Out

-AUDIO

-5-

Chassis Block Diagram

POWER SUPPLY IC

-6-

IC Block Diagrams (On the ASSY, PWB, MAIN)

IC601 QL6599DTR

-7-

IC Block Diagrams

IC602 QL6562ADTR

IC Block Diagrams (On the ASSY, PWB, MAIN)

-8-

IC603 QFAN7602M

-9-

IC Block Diagrams

IC702 QRT9711CGB

PO W2

HPD2

SD A 2

SC L2

B21

A21

B22

A22

GND

B23

A23

VCC

B24

A24

PO W1

HPD1

HPD_SINK

SD A _ SIN K

SC L _ SI N K

I2C _A DD

SC L_C TL

SD A _ C TL

12 3 4 5 6 7 8 9 10 11 12 13 14 15 16

48 47 46 45 44 43 42 41

3334353637383940

PS331

PO W_SIN K

HPD3

SD A 3

SC L3

B31

A31

PO W3

B32

A32

GND

B33

A33

VCC

B34

A34

CEXT

PO WDN

REXT

A14

B14

A13

B13

GND

A12

B12

VCC

A11

B11

SC L1

SD A 1

I2C _RST

VCC

GND

PO W2

A21

A13

B13

IC750 QPS331TQFP64M

-10-

IC1501 TC4052

IC Block Diagrams

GND P3

3LCS2P 6

2SDAP1 7

P0 VCC

DGK PACKAGE

(TOP VIEW)

GND P3

SCLP2 36

P1 2SDA

VCC

B2B1

C2C1

D2D1

A2A1

YZP PACKAGE

(BOTTOM VIEW)

GND P3

3LCS2P 6

2SDAP1 7

P0 VCC

D PACKAGE

(TOP VIEW)

IC1801 QPCA9536DGKRP

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