haier 32e2000 Service Manual

SERVICE MANUAL

LED TV

MODEL No. 32E2000

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

Service Manual

Model No.: 32E2000

Table of Contents

1. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

1-1. General Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . .3

1-2. Important Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

1-3. How to Read this Service Manual . . . . . . . . . . . . . . . .6

2. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

3. Location of Controls and Components . . . . . . . . . . . . . . . . . .8

3-1 Component Location . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3-2 Main Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3-3 LED Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4. Disassembly Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

5. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

6. Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

6-1 Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . .18

6-2 External Equipment Connections . . . . . . . . . . . . . . . .19

7. Operation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

7-1 Side Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

7-2 Rear Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

7-3 Using Remote Control . . . . . . . . . . . . . . . . . . . . . . . .27

8. Electrical Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

8-1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . .28

8-2 Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

8-3 Wiring Connection Diagram . . . . . . . . . . . . . . . . . . . .35

- 1 -

Service Manual

Model No.:32E2000

9. Measurements and Adjustment . . . . . . . . . . . . . . . . . . . . . . .36

9-1 Operation Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

9-2 Factory Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

9-3 Software Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

9-4 Hotel Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

10. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

10-1 Simple Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

10-2 Power supply . . . . . . . . . . . . . . . . . . . . . . . .47

10-3 Display . . . . . . . . . . . . . . . . . . . . . . . .49

10-4 Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

10-5 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

- 2 -

1. General Information

1-1. General Guidelines

When servicing, observe the original lead dress. If a short circuit is found, replace all parts
which have been overheated or damaged by the short circuit.

After servicing, see to it that all the protective devices such as insulation barriers, insulation
papers shields are properly installed.

After servicing, make the following leakage current checks to prevent the customer from
being exposed to shock hazards.

1) Leakage Current Cold Check

2) Leakage Current Hot Check

3) Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive

1-2. Important Notice

Service Manual

Model No.: 32E2000

1-2-1. Follow the regulations and warnings

Most important thing is to list up the potential hazard or risk for the service personnel to
open the units and disassemble the units. For example, we need to describe properly how
to avoid the possibility to get electrical shock from the live power supply or charged
electrical parts (even the power is off).

This symbol indicates that high voltage is present inside.It is dangerous to make
any king of contact with any inside part of this product.

This symbol indicates that there are important operating and maintenance
instructions in the literature accompanying the appliance.

1-2-2. Be careful to the electrical shock

To prevent damage which might result in electric shock or fire, do not expose this TV set to
rain or excessive moisture. This TV must not be exposed to dripping or splashing water,
and objects filled with water, such as vases, must be placed on top or above the TV.

1-2-3. Electrostatic discharge (ESD)

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such
components commonly are called Electrostatically Sensitive (ES) Devices. The following
techniques should be used to help reduce the incidence of component damage caused by
electrostatic discharge (ESD).

1-2-4. About lead free solder (PbF)

This product is manufactured using lead-free solder as a part of a movement within the
consumer products industry at large to be environmentally responsible. Lead-free solder
must be used in the servicing and repairing of this product.

1-2-5. Use the specified parts

Special parts which have purposes of fire retardant (resistors), high-quality sound
(capacitors), low noise (resistors), etc. are used.

When replacing any of components, be sure to use only manufacture's specified parts
shown in the parts list.

- 3 -

Service Manual

Model No.: 32E2000

Safety Component

Components identified by mark have special characteristics important for safety.

1-2-6 Safety Check after Repair

Confirm that the screws, parts and wiring which were removed in order to service are put in
the original positions, or whether there are the positions which are deteriorated around the
serviced places serviced or not. Check the insulation between the antenna terminal or
external metal and the AC cord plug blades. And be sure the safety of that.

General Servicing Precautions

1. Always unplug the receiver AC power cord from the AC power source before;

a. Removing or reinstalling any component, circuit board module or any other receiver

assembly.

b. Disconnecting or reconnecting any receiver electrical plug or other electrical

connection.

c. Connecting a test substitute in parallel with an electrolytic capacitor in the receiver.

CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic
capacitors may result in an explosion hazard.

2. Test high voltage only by measuring it with an appropriate high voltage meter or other
voltage measuring device (DVM, FETVOM, etc) equipped with a suitable high voltage
probe.

3. Do not test high voltage by "drawing an arc".

4. Do not spray chemicals on or near this receiver or any of its assemblies.

5. Unless specified otherwise in this service manual, clean electrical contacts only by
applying the following mixture to the contacts with a pipe cleaner, cotton-tipped stick or
comparable non-abrasive applicator; 10% (by volume) Acetone and 90% (by volume)
isopropyl alcohol (90%-99% strength).

CAUTION: This is a flammable mixture. Unless other specified in this service manual,
lubrication of contacts is not required. Capacitors may result in an explosion hazard.

6. Do not defeat any plug/socket B+ voltage interlocks with which receivers covered by
this service manual might be equipped.

7. Do not apply AC power to this instrument and/or any of its electrical assemblies unless
all solid-state device heat sinks are correctly installed.

8. Always connect the test receiver ground lead to the receiver chassis ground before
connecting the test receiver positive lead. Always remove the test receiver ground lead
last. Capacitors may result in an explosion hazard.

9. Use with this receiver only the test fixtures specified in this service manual.

10. Remove the antenna terminal on TV and turn on the TV.

11. Insulation resistance between the cord plug terminals and the external exposure metal
should be more than Mohm by using the 500V insulation resistance meter.

12. If the insulation resistance is less than M ohm, the inspection repair should be required.
If you have not the 500V insulation resistance meter, use a Tester. External exposure
metal: Antenna terminal Headphone jack.

- 4 -

Service Manual

Model No.: 32E2000

Electrostatically Sensitive (ES) Devices

Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such
components commonly are called Electrostatically Sensitive (ES) Devices. Examples of
typical ES devices are integrated circuits and some field-effect transistors and
semiconductor "chip" components. The following techniques should be used to help reduce
the incidence of component damage caused by static by static electricity.

1. Before handling any semiconductor component or semiconductor equipped assembly,
immediately drain off any electrostatic charge on your body by touching a known earth
ground. Alternatively, obtain and wear a commercially available discharging wrist strap
device, which should be removed to prevent potential shock reasons prior to applying
power to the unit under test.

2. After removing an electrical assembly equipped with ES devices, place the assembly
on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup
or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.

4. Use only an anti-static type solder removal device. Some solder removal devices not
classified as “anti-static” can generate electrical charges sufficient to damage ES
devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient
to damage ES devices.

6. Do not remove a replacement ES device from its protective package until immediately
before you are ready to install it.

(Most replacement ES devices are packaged with leads electrically shorted together by
conductive foam, aluminum foil or comparable conductive material).

7. Immediately before removing the protective material from the leads of a replacement
ES device, touch the protective material to the chassis or circuit assembly into which
the device will be installed.

CAUTION: Be sure no power is applied to the chassis or circuit, and observe all other
safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES devices.

(Otherwise harmless motion such as the brushing together of your clothes fabric or the
lifting of your foot from a carpeted floor can generate static electricity sufficient to damage
an ES device.)

1-2-7. Ordering Spare Parts

Please include the following informations when you order parts. (Particularly the Version
letter)

1. Model number, Serial number and Software Version
The model number and Serial number can be found on the back of each product and

the Software Version can be found at the Spare Parts List.

2. Spare Part No. and Description
You can find them in the Spare Parts List.

- 5 -

Service Manual

Model No.: 32E2000

1-2-8. Photo used in this manual

The illustration and photos used in this Manual may not base on the final design of
products, which may differ from your products in some way.

1-3. How to Read this Service Manual

Icons:

Icons are used to attract the attention of the reader to specific information. The meaning of
each icon is described in the table below:

Note:

A “note” provides information that is not indispensable, but may nevertheless be valuable
to the reader, such as tips and tricks.

Caution:

A “caution” is used when there is danger that the reader, through incorrect manipulation,
may damage equipment, data loss, get an unexpected result or has to restart (part of) a
procedure.

Warning:

A “warning” is used when there is danger of personal injury.

Reference:

A “reference” guides the reader to other places in this binder or in this manual, where he/
she will find additional information on a specific topic.

- 6 -

2. Specifications

Model 32E2000

9:61oitaR tcepsA

Response Time (ms) 8

M 7.61yalpsiD roloC

Service Manual

Model No.: 32E2000

hcni 5.13eziS neercS

867 x 6631noituloseR

°871 :V °871:HweiV fo elgnA

OSD Language

Video/Audio System

Dimensions with Stand (W x H x D) 22.82X18.39X7.12 Ib

Dimensions w/o Stand (W x H x D) 22.82X16.83X2.72 Ib

Weight with Stand 9.79 Ib

Weight without Stand 9.71 Ib

Wall Mount Pattern (H x V) 200 x 100 mm

Wall Mount Screw Type M6 x 8mm

Power Consumption 50 W

English/French/Spanish

ATSC/NTSC/M/MTS

W1<ybdnatS

~60HZV021rewoP sniaM

8

- 7 -

8

W + WrewoP oiduA

Service Manual

Model No.: 32E2000

3. Location of Controls and Components

3-1 Component Location

1

2

3

6

4

7

No. Component

1

2

3

4

5

6

7

LED Panel

System Main Board

Power cord

Left and Right Speakers

Panel T-Con Board

Keypad Board

IR LED Board

5

3-2 Main Board

- 8 -

Service Manual

Model No.: 32E2000

3-2-1 Function Description

Process signal which incept from exterior equipment then translate into signal that panel
can display.

3-2-2 Connector Definition

- 9 -

Service Manual

Model No.: 32E2000

- 10 -

Service Manual

Model No.:32E2000

- 11 -

Service Manual

Model No.: 32E2000

4. Disassembly Procedures

1. Remove the screws securing the back cover. Torque: 3.8 ± 0.53 kgf-cm.

- 12 -

Service Manual

Model No.: 32E2000

2. Detach the back cover from left to right and remove it from the unit.

3. Remove all tapes on the cables.

- 13 -

Service Manual

Model No.:32E2000

4. Disconnect the cables and remove them from the unit.

5. Remove the screws securing the main board, Speaker、side I/O cover and bottom
I/O cover, then remove them from the unit. Torque: 3.8±0.3 kgf-cm.

- 14 -

Service Manual

Model No.: 32E2000

6. Delete the speaker stents and press keypad remote control board screw
Torque: 3.8±0.3 kgf-cm.

7. Disconnect your screen line and conductive cloth.

- 15 -

Service Manual

Model No.: 32E2000

8. Remove the screw and conductive cloth.

9 . Remove the panel from the front bezel.

- 16 -

5. Accessories

Remote Control/2 x AAA Batteries User Manual

INPUT

USB CC

5

8 9

0

MUTE

MENU

OK

3

6

RECALL

EXIT

WIDE

PICTURE

FAVORITE

1 2

4

7

VOL CH

BACK DISPLAY

SAP SLEEP

AUDIO

CH.LIST

Service Manual

Model No.: 32E2000

)lanoitpo(draCytnarraW

- 17 -

Service Manual

Model No.: 32E2000

6. Installation Instructions

- 18 -

Service Manual

Model No.: 32E2000

- 19 -

Service Manual

Model No.: 32E2000

- 20 -

Connecting AV Equipment

Using HDMI Cable (best)

Service Manual

Model No.: 32E2000

Note

• An HDMI cable carries both video and audio. You do not need to use any audio cables.

Using Component Cable (better)

COMPONENT OUT

Y P

B

P

L R

R

- 21 -

Service Manual

Model No.: 32E2000

Using Composite Cable (good)

COMPOSITE OUT

VIDEO

L R

Note

• The component and composite audio and Y jack are shared. You can only connect one component or
composite device at a time.

• When connecting a composite video source, connect the yellow video wire to the Y (green) jack.

Connecting A Digital Audio Device

- 22 -

Connecting Headphones

Note

• When headphones are inserted, the TV speakers will be muted.

Service Manual

Model No.: 32E2000

- 23 -

Service Manual

Model No.:32E2000

Cable Sample

Connection Type and Jack Cable Connector

(requires an audio connection)

HDMI video/audio

Component video

Composite video

(requires an audio connection)

Analog audio input

Coaxial digital audio

Note

• The cables are not included in the package.

- 24 -

7. Operation Instructions

7-1 Side Control

Service Manual

Model No.: 32E2000

- 25 -

Service Manual

Model No.: 32E2000

7-2 Rear Terminals

- 26 -

7-3 Using Remote Control

Service Manual

Model No.: 32E2000

- 27 -

Service Manual

Model No.: 32E2000

8. Electrical Parts

8-1 System Block Diagram

1

2

3

4

TP.MS3393.PB812

A A

LVDS OUT

LVDS(8bit)

USB0 IN

USB0

LINE OUT

EXT LINEOUT

DDR2

SPI Flash

16Mbits

B B

HDMI2&MHL IN

HDMI2

HDMI2

L

MHL

AMPLIFIER

R

HDMI3 IN

HDMI3

HEADPHONE

C C

VGA IN

VGA

MSD3393LU

IIC,IF,AGC

TUNER

PC AUDIO IN

YPBPR&CVBS

YPBPR/CVBS AUDIO IN

COAX OUT

D D

1

2

3

4

- 28 -

Service Manual

Model No.:32E2000

1

A A

FB1

!

CNB1

B B

C

D D

2

!

1

L

5

~

T3.

AL 250V

1

3

N

LCB1

1

!

NT CB1

D1

GD

G

2

2

!

!

NC

!

1

!

H

1

H

V

Y B

C

1

GN D

CYB2

SB2

H S

1

2

2

NC NC

4

!

!

M OV B1

B

L

2

C

2

3

SGN D

N

C

HSB3

H

S

1

2

1

2

12V

4

!

!

!

RB 1

RB 2

3

RB 3

RB 4

CX B1

CX B2

!

!

D3

G

ML 1

My

ar

l

3

L

Vbridge

DB2

DB1

B

D

D

3

4

B

12V

4

L

1

RB

C

N

RB1 42
NC

R O

B

NC

CB 111

SGN D

B101

U

1

G

2

CO

BR

O

!

NC3CS

C

N

PCB 101B

CB 103

RB 104

3 4

SGN D

U

B802

1

PIN1

GAT E

G

N D

P

IN4

PW M -REF

8 16

RB

PIN1

GA

T E

CB8 0

1

CB 802

D

G

N

PIN4

GN D

10

VIN

DIM

2

9

GAT E

OVP

3

8

GND

OM P

C

7

4

FB

CS

5

6

ISE

T

REF

GN D

B801

U

I

P

N8

1

8

P

W M

VI

N

2

7

GAT E

OVP

3

6

GN D

COM

P

5

4

CS

FB

NC

I

N5

P

PIN6

CB8 12

CB8 03

CB

5 RB804

8 0

5

Vbridge

+

E

1

41

L

RB1 01

RB1 02

6

T E

GA

N D

5

C

V

C

M P

4

CB 101

RB 103

NC

D

SG

N

EB8 04

PIN

8

OVP

N

PI

6

PIN5

CB8 1

1

GA

RB8 01

PW M

CB8 07

GN D

CB 806

GN D

8 05

RB

CB804

GN D

B

RB 121RB 123

CB 114

D

N

SG

6

RB

1 0

07

RB1

QB102

V

C C

RB

5

1 0

CB 102

VBL

RB

8 07

T E

N

C

DB805

I

-

M

D

OVP

3

RB80

RB806

E

L

D -FB

D

06

1

B

QB101

G

G

RB1 09

1

08

RB

SG

RB1 10

2

ZB1 01

2

113

C

N

3

CY B3

D

SGN

!

L

B802

BB8 02

C

N

01

LB8

NC

BB8 01

D

QB8 01

G

NC

S

RB8 08

RB8 2

1

GND

RB 818

RB 819

RB 820

6

CB1 18

N

!

1

TB1 01

RB 124 R B122

AK

D

D

S

S

RB 148

N D

H

CB8 09

3

HV

1

BB1 0

6

CB1 16

5

12V

AK

N

C

CB 113

DB 104AKDB 105

NC

N

C

RB 116

+

PCB 101A

E

B106

SGN

D

GN D

GN D

RB8

2

1

CB

8 10

DB8

01

RB8 14

+

EB 803

EB 801

OVP

S

RB 810

LED-FB

CN B805

G

N D

B8

1

0

CN

1

2

1

2

L

RB8 45

LED

-FB

C

11

DB102

DB1 03

7

1 17

CB

+

10

101

D

B

EB 101

N

8
9

12

KA

ED +

C

N D

G

RB131

12V

RB

1 32

RB

1 33

!

CB1 09

CB1 10

R

UB102

LED-F

B

LED +

AK

DB 804

+

NC

GN D

RB 837

RB 838

C

0

N B

6

8

CN B80

2

123

1

2

LED

-FB
LED

+

CB8 2

1

NC

L

ED +

7

5

2

RB1
RB1 26
RB

127
1

28

RB

VBL

+

+

EB 104

EB 105

NC

RB 140

GN D

RB

1 29
1

RB

30

12V

+

EB1 02

12V

RB 111

RB 112

NC NC

VBL

RB1 35

RB1 34

RB 839

CN

B2

12V

2
1

GND

RB 840

8

- 29 -

C

8-2 Circuit Diagram

1

Model Name:

DR AW

CH

2

3

4

5

6

7

.PB812B 14125

TP.MS 3393

N

:

K

:

D

'

VER S

O N:

I

0

V1.

20

14/8/14

E:

DA

T

DAT E:

2014 /8/14

8

Service Manual

Model No.: 32E32000

1

A A

C2

B B

12V

GND

10uF
NC/1uF
100Kohm

C18

2

1

5

R18

EN

5V_ST B

CL 1

LC1117CL TR33

0.1uF

R1

U2

BS

4.5V~18V INPUT

VFB = 0.6V

500KHZ

IN

EN4GND

SYH112ADC

UL 1

VI3VO

1

GND

3

0ohm

C1

0.1uF

L1

6

LX

3

FB

2

2

4

A D J

VO

C22

GND

CTD0504-4R7- M
NC/22pF
47Kohm
6K2ohm

0.1uF
10uF
470uF

CL 2

NC/0.1uF
10uF

R23

R25

GND

3V3_S T B

CL 3

5V_ST B

℃

3V3_S T B

4

+5V

TEST

+

E2

C21

C20

GND

5

P O W _E N

10Kohm
10Kohm

6

3V3_S T B

RE 4

RE 5

RB5

BL _EN PW M-REF

100ohm

RB9

510ohm

5V_M

UL 2

VI3VO

CL 5

GND

0.1uF

LC1117CL TR18

A D J

VO

1

7

5V_ST B 5V_M

RM33

QM31

GND

PW M -DIMPW M /AD J

2

4

10uF
NC/0.1uF-0402-Y5V-+80%-20%-16V

RM34

4K7ohm
KMBT3904
100Kohm

W PM2341A-3/TR
NC/0.1uF

1V8_DDR

CL 6

GND

QM32

CL 7

8

CM32

GND

C C

PVCC

NC/10uF

5V_ST B

CD1

10uF

0.1uF
10Kohm

D D

1

UD1

4

RD1

CD2

1

EN

SYH407AAC

GND

2

GND GND

2

LD1

SW3VIN

5

FB

RD3

RD2

12K4ohm
13Kohm

G N D

10uF

0.1uF
CTD0403-6R8- M

1.15V_STB

1.15V_STB

TEST

CD5

CD4

CD3

3

4

3K3ohm
2K2ohm
KMBT3904

P O W _E N

5

RM6

GND GND

RM1

RM3

QM2

RM5

4K7ohm
200Kohm

ME2325- G
NC/10uF

0.1uF

6

S

QM1

G

0ohm

NC/0ohm

7

VCC-PANEL

D

CM6

CM2

GND

R12V

PVCC12V

R5V

PVCC5V_ST B

8

- 30 -

Service Manual

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D D

C C

B B

A A

PWM/ADJ

MHL_CABLE-DET

AMP-MUTE

AU_VRM

IF_AGC

VIFP

VIFM

AU_VAG

1.15V_STB

GIN1M

HD1_SOG

HD1_Pr

HD1_Y

HD1_Pb

VGA_RIN

VGA_GIN

VGA_BIN

GIN0M

VGA_HS

VGA_VS

AV_LIN

AV_RIN

HDMI-ARC

HDMI2_SCL

HDMI2_SDA

HDMI2_RXC_N

HDMI2_RXC_P

HDMI2_RX0_N

HDMI2_RX0_P

HDMI2_RX1_N
HDMI2_RX1_P
HDMI2_RX2_N
HDMI2_RX2_P

HOTPLUG1'

HDMI1_SCL

HDMI1_SDA

HDMI1_RXC_N

HDMI1_RXC_P

HDMI1_RX0_N

HDMI1_RX0_P

HDMI1_RX1_N

HDMI1_RX1_P

HDMI1_RX2_N

HDMI1_RX2_P

HDMI3_SCL

HDMI3_SDA

HDMI3_RXC_N
HDMI3_RXC_P
HDMI3_RX0_N
HDMI3_RX0_P
HDMI3_RX1_N
HDMI3_RX1_P
HDMI3_RX2_N
HDMI3_RX2_P

HOTPLUG2'

HDMI-CEC

UART-TX/DDC

UART-RX/DDC

REMOTE

RESET_H

SPI_CSN

SPI_SCK

SPI_SDI
SPI_SDO

RXO2_N

RXO3_P

RXO3_N

RXO2_P

RXO0_N

RXO1_P

RXO1_N

RXO0_P

RXE3_P

RXE2_N

RXE1_P

RXE1_N

RXE0_N
RXE0_P

RXE2_P

RXE3_N

RXEC_N

RXEC_P

M_SCL

M_SDA

XTALI

XTALO

SPDIF_OUT

POW_EN

PC_LIN

PC_RIN

1.15V_STB

1V8_DDR

3V3_STB

GND

1.15V_STB

AVDD5V_MHL

1V8_DDR

1.15V_STB

GND

USB0_DM

USB0_DP

GND

AV_IN
VCOM

KEY

BL_EN

LVA0M

70

SOGIN1

22

BIN1P

21

GIN1M

24

GIN1P

23

CVBS0

28

CVBS1

27

AUL1

36

GIN0P

16

GPIO0/GPIO44

55

LVACKM

64

VDDC/DVDD_DDR_CMD54VDDIO_CMD

53

AVDD_MOD

5

RIN1P

25

HOTPLUG_C/D

80

LVA1P

67

LVB3P

71

DDCDB_CL

112

DDCDB_DA

111

GIN0M

17

IRIN

93

CEC

92

TEST

91

DDCA_CK

90

DDCA_DA

89

LVA3M62LVACKP

63

LVA2P

65

LVA2M

66

DP_P0

97

LVB2P

74

LVB2M

75

LVB1P

76

LVB1M

77

LCK/LVB0P

78

PWM0

83

AVDD_MOD

73

DM_P0

96

HOTPLUG_B

113

AVDD_5V

114

GND_EFUSE

115

RX0P_B

128

VIFP46VIFM47AUOUTR044IFAGC45XIN50AVDD3P3_DMPLL49XOUT

51

RX1N_B

1

RX1P_B

2

RX2N_B

3

RX2P_B

4

RXCN_A

6

RXCP_A

7

RX0N_A

8

RX0P_A

9

RX1N_A

10

RX1P_A

11

RX2N_A

12

RX2P_A

13

HSYNC0

14

BIN0P

15

RIN0P

18

VSYNC0

19

AVDD3P3_ADC

20

VCOM

29

CVBS_OUT1

30

VDDC

31

AVDD_AU33

32

VAG

37

AUL0

34

AUR1

35

AUR440AUOUTL3

41

AVDD_MOD

52

GPIO3/GPIO4758GPIO4/GPIO4859LVA3P

61

GPIO2/GPIO46

57

LVA0P

69

LVB3M

72

LVA1M

68

LDE/LVB0M

79

HOTPLUG_A

81

SPI_DO

84

SPI_DI

85

SPI_CZ

86

PWM1

82

VDDIO_DATA

105

DDCDC_CL

106

DM_P1

98

VDDC/DVDD_DDR_DATA

104

DP_P1

99

AVDD_MOD

100

DDCDA_DA

109

INT/GPIO64

94

VDDC/AVDDL_DVI

116

RESET

95

MHL_DET

110

DDCDC_DA

107

DDCDA_CL

108

E-PAD

129

VSYNC1

26

AUR0

33

AUOUTL043AUOUTR3

42

GPIO1/GPIO45

56

SPI_CK

87

RXCN_D

117

RXCP_D

118

RX0N_D

119

RX0P_D

120

RX1N_D

121

RX2N_D

123

RX2P_D

124

RX1P_D

122

RXCP_B

126

RX0N_B

127

RXCN_B

125

VRM

38

AUL4

39

SAR1

102

SAR0

101

SAR2

103

GPIO5/GPIO49

60

ARC

88

AVDD3P3_DADC

48

U1

MSD3393LU

GND

C14

NC/0.1uF-0402-X5R-฀฀20%- 16V

XTALI

XTALO

CF2

33pF-0402-NPO-฀฀5%- 50V

CF1

33pF-0402-NPO-฀฀5%- 50V

GND

GND

R99

1Mohm-0402-฀฀5%- 1/16W

RF4

NC/10Kohm-0402-฀฀5%- 1/16W

GND

PWM/ADJ

BL_EN

R26

4K7ohm-0402-฀฀5%- 1/16W

R2

4K7ohm-0402-฀฀5%- 1/16W

3V3_STB

CE#

1

SO

2

WP#

3

VSS4SI

5

SCK

6

HOLD#

7

VDD

8

UF1

GD25Q16BSIG

SPI_SCK

SPI_CSN

SPI_SDI

SPI_SDO

GND

CF7

0.1uF-0402-X5R-฀฀20%- 16V

GND

CF16

NC/0.1uF-0402-X5R-฀฀20%- 16V

GND

GND

3V3_STB

GND

CL8

1uF-0402-X5R-฀฀20%- 6.3V

CL9

1uF-0402-X5R-฀฀20%- 6.3V

1V8_DDR

GND

1.15V_STB

CD7

0.1uF-0402-X5R-฀฀20%- 16V

CD8

1uF-0402-X5R-฀฀20%- 6.3V

CD9

1uF-0402-X5R-฀฀20%- 6.3V

CD10

0.1uF-0402-X5R-฀฀20%- 16V

3V3_STB

CL17

0.1uF-0402-X5R-฀฀20%- 16V

GND

3V3_STB

CL18

NC/0.1uF-0402-X5R-฀฀20%- 16V

GND

CL10

NC/0.1uF-0402-X5R-฀฀20%- 16V

CL12

0.1uF-0402-X5R-฀฀20%- 16V

CL13

0.1uF-0402-X5R-฀฀20%- 16V

CL14

0.1uF-0402-X5R-฀฀20%- 16V

CL20

1uF-0402-X5R-฀฀20%- 6.3V

CL15

NC/0.1uF-0402-X5R-฀฀20%- 16V

C5

NC/1000pF-0402-X7R-฀฀10%- 50V

C6

NC/1000pF-0402-X7R-฀฀10%- 50V

R5

200Kohm-0402-฀฀5%- 1/16W

R6

200Kohm-0402-฀฀5%- 1/16W

CL11

0.1uF-0402-X5R-฀฀20%- 16V

3V3_STB

3V3_STB

3V3_STB

3V3_STB

GND

LINE_L_OUT

LINE_R_OUT

HOTPLUG3'

HDMI_DET

3V3_STB

3V3_STB

CVBS1_OUT

MHL_CD_EN

PANEL_EN

LED_RED

GND

AMP-LO'

AMP-RO'

AMP-LO'

AMP-RO'

Y1

24MHz-฀฀20PPM- 20PF-HC-49S-JWT

C3

2.2uF-0402-X5R-฀฀20%- 6.3V

R3

NC

3V3_STB

3V3_STB

RV17

4K7ohm-0402-฀฀5%- 1/16W

RV15

4K7ohm-0402-฀฀5%- 1/16W

5V_STB

UART-RX/DDC

UART-TX/DDC

UART-TX

TEST

UART-RX
TEST

VCOM

RI7

68ohm-0402-฀฀5%- 1/16W

CI7

0.047uF-0402-X7R-฀฀10%- 16V

GND

R07

NC/0ohm-0402-฀฀5%- 1/16W

GND

GIN1MRI37

68ohm-0402-฀฀5%- 1/16W

CI10

0.047uF-0402-X7R-฀฀10%- 16V

Model No.: 32E2000

- 31 -

Service Manual

Model No.:32E2000

D

1

10Kohm

2

5K6ohm

0Kohm

2

3K
3

ohm

2K2ohm

C

14PIN-

1K2ohm

2.0-D-H-G

-B

-

N

/P

V

/M

/

N D

7/

K 6

G

K

K 5

K 4

12345678910111213

K5K

6

RK
9

B

CN6

R

D

/S

I

C-

0

1/C +

K

K 2/

K

K 3/V+

K3K4

RK6

RK8

RK

RK5

7

5V

N

RE D

G R N

G

14

GND

IR

K0K1K2

L

LE

ED_

D_G

R

RK3

RK1

RK2

LE
D_
R

C
K3

CK1

L

5V_STB
E
D_RED

RK4

RK11

510ohm

22ohm

1Kohm

4K
7

ohm

3

4K7o

KMBT39

1Kohm

0
4

4

L

33Ko

ED_R

hm

hm

E
D

R
K1

9

C

KE

K2

Y

3V3_STB

3V3_STB

RK23

IR

GND

CK6

RXO
0_N

7 8

R
XO

0_
P

RK15

R
K16

RE
M

OTE

VCC-PA

VCC-PA

G

ND

N

N
E

E

L

L

1 2

345

C
N
5

V

G
ND

CC­PA

N
EL

GN
D

QK2

LE
D_G

5V_M

R
K2

0

1Kohm

4K7ohm

5

6

RXEC_N

RXEC_P

CF5

CF4

GN

7

D

RXE2_

R

G

RXE3_N

XEC_N

ND

N

25

29

27

24

28

26

30

R

G

R

RXE

XE

ND

XE

C_P

2_

3_

P

P

G

RXO

RXO

RXE

RXE

RXE

R
XO

ND

1_N

2_N

3_N

C_

1_

0_

N RXE

N

N

17

111213 14

15 16

1920212223

9 10

18

R

R

XE

XE

0_

1_

P

P

R

G

RXO

R

ND

XO

XO

C_P

3_

1_

2_

P

P

P

A

5V_STB

1

2

3

4

1

A A

LINE_L_OUT

LINE_R_OUT

2

CNA2

PJ-339

B B

R9 R10

C7

R11

LINE_OUTL

C8

R12

LINE_OUTR

C9 C10

GND

LOUT+

ROUT+

1

GND

6

RIN

4

C15

RSPK

2

EP_R

ERO

3

EP_L

ELO

C17

5

LSPK

7

LIN

3

RA11

GVDD PLIMIT

RA12

GND

4

C C

5

D D

6

1

AMP-LO'

GND

AMP-RO'

RA21

RA10

2

0.22uF-0402-Y5V-+80%-20%-16V

0.22uF-0402-Y5V-+80%-20%-16V

0.22uF-0402-Y5V-+80%-20%-16V

0.22uF-0402-Y5V-+80%-20%-16V

AVCC

AMP_MUTE/

CA6

CA8

RA8

CA27

5V_M

GND

CA28

AVCC

GND

CA15

GVDD

GND

PLIMIT

CA29

CA21

CA20

EP-IN

GND

3

4

CN18

4

LOUT+'

3

LOUT­ROUT-

2

1

ROUT+'

4PIN-2.54-D-H-G-B

CA30 CA32 CA33 CA34

CA18

RA1

UA1

1

SD

2

FAULT

3

LINP

4

LINN

5

GAIN0

6

GAIN1

7

AVCC

8

AGND

9

GVDD

10

PLIMIT

11

RINN

12

RINP

13

NC

PBTL14PVCCR

OB6220RVPA

556

6

CN7

3

LINE_OUTL

GND12

LINE_OUTR

NC/3PIN-2.0-D-H-G

RA9 RA33

RA34 RA35

GND

AMPVCC

AMPVCC

CA3

CA2

28

PVCCL

27

PVCCL

CA7

26

GND

BSPL

25

OUTPL

24

PGND

GND GND

23

OUTNL

CA12

22

BSNL

CA13

21

BSNR

20

OUTNR

19

PGND

GND

18

OUTPR

CA22

17

BSPR

16

AMPVCC

PVCCR

15

CA24

CA25

GND

7

0.22uF-0402-Y5V-+80%-20%-16V

0.22uF-0402-Y5V-+80%-20%-16V

0.22uF-0402-Y5V-+80%-20%-16V

0.22uF-0402-Y5V-+80%-20%-16V

UPZ2012E601-2R0TF(600ohm-2000mA)
UPZ2012E601-2R0TF(600ohm-2000mA)
UPZ2012E601-2R0TF(600ohm-2000mA)
UPZ2012E601-2R0TF(600ohm-2000mA)

7

9

AMP-MUTE AMP_MUTE/

AMPVCC

LA1

+

LBA1

LBA2

LA2

+

LA3

+

LBA3

GND

LA4

+

LBA4

889

RA32

RA31

GND

RA60 RA62

RA4

EP-IN

CA50

GND

RA22

AMPVCC

DA1

+

EA1

CA1 CA16

GND

-SZ

℃

NC/SK34A-SMA

CA4

CA9

CA5

CA11

CA10

CA14

CA17

CA19

NC/SCD54TL-220M
NC/SCD54TL-220M
NC/SCD54TL-220M
NC/SCD54TL-220M
NC/1uF-0603-Y5V-+80%-20%-16V
NC/1uF-0603-Y5V-+80%-20%-16V
NC/1uF-0603-Y5V-+80%-20%-16V
NC/1uF-0603-Y5V-+80%-20%-16V

1010111112

LOUT+

LOUT­ROUT-

ROUT+

EP_R

12V

12

7

8

D

C

B

A

8

- 32 -

1

2

3

4

5

6

7

8

AV

1

A A

Service Manual

Model No.: 32E2000

B B

HD-AF05-S011

AV2

C

D D

HD-AF05-S011

HDMI1_

5V

1

RH3

RX2+

2

GND

GND

3

RX2-

4

1+

RX

5

G

ND

D

GN

6

RX

-

1

7

RX0+

8

G

ND

GND

9

RX0-

10

RXC

+

11

G

N

D

ND

G

1

2

R

X

-

C

1

3

CEC

CE

C

14

_A

HDMI

C

R

AR

H D M I

C

HDM

I1_SCL/

1

5

S

L

C

1

6

S

DA

17

GND

1

8

+5

V

1

9

D

HP

GN D

GN D

GN D

GN D

20

212223

HDMI1_SDA/
GND
HDMI1_5
H

OTPLUG1

RH15
RH16

H13

C

V

HDMI

1_RX2_

HDM

I1_R

HDMI1_RX

I1_RX

HDM

HDMI

1_RX0_
1_R

I

HDM

I

1_R

HDM
HDMI1_RXC_N

HDMI1_

SCL

I1_SD

HDM

G

N

D

P

X

N

2_

P

1_
1_N

P

X0_

N
P

XC_

A

HOTPLUG1

HDMI1_

QH1

CH9

D

GN

RH4

V

5

R

H5

RH

8

RH2

KMBT3904

5V

HDMI1_

RH1

HDMI1_SDA/

HDMI1_SCL/

HOTPLUG1'

GND

RH2

4

1

RX2

+

MHL_CD_SENSE

2

ND

G

3

RX2-

4

1

R

+

X

5

GN

D

D

GN

6

RX

1-

7

R

X0+

GN

8

D

GND

9

RX0-

10

RXC+

11

GND

ND

G

1

2

RX

C-

13

EC

C

CE

C

14

AR

H D M I

C

1

5

/

I2_S

HDM

CL

SCL

16

HDMI2_SDA/

SDA

G

1

7

ND

ND

G

8

1

HDM

I2_5V

+5V

HOTPLUG2

1

9

D

H

P

GN D

GN D

GN D

GN D

20

212223

HDMI2_R

X2_P

HDMI2_R

N

X2_

1_P

HDMI2_RX
HDMI2_R

N

X1_

HDMI2_R

X0_P

2_R

I

X0_

HDM

N

HDMI2_RX

C_P

X

HDMI2_R

N

C_

RH30

HDMI2_SCL

RH31

HDM

CH18

I2_SDA

GN

D

AVDD5V_CD

2

HDMI2_SDA/

RH25

SCL/

HDMI2_

RH27

HOTPLUG2'HOTPLUG

V

AVDD5V_MH

HDMI2_5

L

RH29

1

A A

B B

CT

RF

T

_INPU

C C

D D

SDC

NC/

NC/SDCL 1

D

NC

/ES

S

D

NC/E

5
4
3

GND

2

ND

G

1

1

CEC

NSE

CH15

2

TUNER_SDA

TUNER_SCL

hm

0

o

17

1005CR33

L

BAV99-

BR

608CR22JT(F)

RFT1

GND

GND

ND

G

ND

G

F

R

T

CT10

CT5

CT16

LT2

G

ND

S

3NJT

DCL 1005C3

T

C33NJ

S

1

005

DCL

J

TDF

CT28

RF_INPUT

T

L

4

GND

GND GND

HD

2

3

4K

7

o
ohm

4K7

GND

LT6

DF
DF

DT

1

GND

3V3_STB

hm

RT14

R

T17

100o

m

h

16

R

T

m

100oh

Kohm

750

3V3_

CT

3

GND

LT3

CT8

CT9

LT1

1.8VRF

0oh

m

RT3

T

DA_IF_AG C

IF_AGC

h

m

100o

LT9

CT24

3

I1_5

V

4

RT15

M_SDA

V3_

3

un

T

CL

M_S

RT1

1.8VRF

GN

D

CT1

24

23

25

Tun

GND

GN

D

_N

AS

SET
E

PAD GN D

R

1

_1

VDD_3P3

2

NP

LNA_I

3

LNA_INN

4

VDD_1P8_1

CT11

5

G

PO3

AGC_2/

_2
PO

6

AGC_1

TP_2/G
U

CT1

4

_O
F

IF_OUT N_2/GPO _17I

8

4

RH56

HDMI_DETHDM

RH55

22

CT4

VD D_1P8_3

IF_OUT N_19I

IFN

5

GND

YT1

6M

-20PF-HC-49S-SMD-JWT

1

19

20

21

TA L

XT AL_P

XT AL_N

18

CLK

OUT

_

GN D_X

17

SDA

16

SCL

15

VDD_IO

14

GND_DIG

_1

13

P

VDD_1P2

T
U
_O
F

VD D_3P3_211VD D_1P8_2

12

10

3V3_T

1.8VRF

un

CT15

C78

IFP

GND

5

6

UT

2

61

Mx

L6

T

UNER_SDA

TUNER_SCL

3V3_Tun

CT12

GND

CT2

SDCL 1005CR12JT DF

1005CR12JT

S

DCL

6

3V3_STB

IF_AGC

IFP

IFN

M 1005KF-121T06(120

FC

3V3_STB

RT18

RT12

RT10

DF

7

FT

2

CT25

o

hm-500mA)

10Kohm

0.22uF-0402-Y5V-+80%-20%-1

CT19

N

G

CT21

LT10

GND

CT22

NC/680ohm

GND

7

8

3V3_Tun

3

CT1

CT6

GND

6V

D

2

CT

7

VI

FP

CT1

8

CT32

VIFM

8

- 33 -

GND

RH14

I-C

HDM

EC

HDMI_ARC

CH14

HDMI-ARC

5V_ST

2

CH

6

SENSE

RH20

RH50

HDMI2

_5V

RH12

MHL_CD_SENSE

B

G N D

5

9

RH1

FLAG

3

RH18

2171WG-

AP

1

OUT

N

I

4

F

EN

LG

UH2

7

C

GND

RH10

MHL_CABLE

-DETMHL_CD_SE

V_STB

1

RH1

CH20

HDMI2_5

5

V

5V

AVDD

_C

RH59

RH60

GND

D

GND

1

2

3

4

5

6

7

8

Service Manual

Model No.: 32E2000

1

A A

B B

UART-TX /DDC

UART-RX /DDC

2

100ohm
100ohm

3

11

RV16

12

VGA_SDA

13

HS_VG A

VS_VG A

14

RV18

15

VGA_SCL

RV11

RV12

RV14

RV13

100ohm
100ohm
10Kohm
10Kohm

GND

4

1716

AV7
WL HD-051A

GND

1

R

TXD

6

GND

2

G

SDA

7

GND

D B 15

3

HS

B

8

GND

4

VS

RXD

9

5V

5

SCL

DET

10

GND

GND

GND

VGA_VS

VGA_HS

CV5

CV9

5

RV4

RV1

75ohm

CV1

33ohm

33ohm

GND

RV6

6

CV4

VGA_RIN

CV6

VGA_GIN

7

AV8

PJ-325

8

GND

ERO

RSPK

LSPK

ELO

10Kohm
10Kohm
12Kohm
12Kohm
NC/12Kohm
NC/12Kohm

1

5
2
3
4

PC_RIN/

PC_LIN/

9

GND

RV19

RV20

RV21

GND GND

10

11

PC_RI N

CV19

CV20

PC_LI N

12

RV24

RV22

RV23

GND GND

75ohm

68ohm

RV2

CV2

RV7

CV7

GIN0M

USB_5V
USB_M
USB_P

RF1

F2

0ohm
NC/
5R1ohm
5R1ohm

5V_M
USB0_DM

RF41

USB0_DP

RF42

RV8

GND

RV3

GND

CV8

VGA_BIN

75ohm

33ohm

CV3

AV21

USB-042M-002DP

1

5V

2

DM

3

DP

4

GND

5

GND

6

GND

CF41

CF3

GND

GND

CI8

33ohm

75ohm

CI36

HD1_S O G

CI9

HD1_Y

220ohm

SPDIF_OU T

RF51

RF52

AV5

CF51

COAXSPDIF_OUT'

1

SPDIF

2

GND

CF52

AV1-8.4-17C

GND

HD1_P b

CI38

HD1_P r

NC/GQ-03-08
NC/0ohm

100ohm

AV26

1

2

3

4

5

SPDIF_OUT'

IR Transmitter

Vin

Vcc

GND

GND

GND

5V_M

RF2

COAX

RI34

CI2

RI1

RI36

RI32

75ohm
33ohm

GND

RI38

RI33

75ohm
33ohm

GND

AV_LI N

AV_RI N

Y _Y

GND

Y _Pb

Y _Pr

C C

AV3

1

L

2

GND

3

R

4

GND

CYB-3.2-2DW28B-1-100(R)

AV4

Y

GND

Pb

GND

D D

Pr

GND

AV3-8.4-07C

1

2

3
4

5
6

AV_L

GND

AV_R

GND

GND

AV6 NC/AV1-8.4-17C

AV9 NC/AV1-8.4-17C

Y _Y

Y _Pb

Y _Pr

AV_L

1

L

2

GND

GND

1

AV_R

R

2

GND

GND

AV_L

RI6

AV_L/

CI6

RI3

12Kohm

10Kohm

AV_R

RI5

CI5

AV_R/

RI2

12Kohm

10Kohm

GND

1

2

3

4

5

6

7

8

9

10

11

12

- 34 -

8-3 Wiring Connection Diagram

Service Manual

Model No.: 32E2000

2

5

3

1

No. Connection

1 Connection wire for keypad

2 Connection wire for IR LED

3 Connection wire for speakers

4 LVDS wire

5 Connection wire for power

4

- 35 -

Service Manual

Model No.: 32E2000

9. Measurements and Adjustment

9-1 Operation Guide

- 36 -

Service Manual

Model No.: 32E2000

- 37 -

Service Manual

Model No.: 32E2000

- 38 -

Service Manual

Model No.: 32E2000

- 39 -

Service Manual

Model No.: 32E2000

- 40 -

Service Manual

Model No.: 32E2000

- 41 -

Service Manual

Model No.: 32E2000

- 42 -

Service Manual

Model No.: 32E2000

9-2 Factory Mode

1.1 Power on Upgrading

STEP 1：Make sure that the .bin file has been put under the root directory of USB
removable device.

STEP 2：

switched off ,re-power on .If the LED light turns out to be red alternating with
green ,it means the upgrading is on process .
The blinks goes to be slowly, when the burning flash has finished, it will to be the
success light.

1.1.1 Upgrading

The red light and the green light switch slowly, for one second once.
Red…green…red…green…

1.1.2 Upgrade successful

The light turns to be red for twice quickly, and the mains green for half second.
Red…red…green……red…red…green……

1.1.3 Failed

The red light and the green light switch quickly, for five times per second.
Red…green…Red…green…Red…green…Red…green…Red…green…

STEP 3：

could be finished.

Link the USB device to the TV mainboard , make sure the current is

Disconnect to the power and the connect to the power, then the upgrading

1.2 Factory Seng Upgrading

STEP 1：Make sure that the .bin le has been put under the root directory of USB
removable device.

STEP 2：

remote control to enter the factory seng.

STEP 3：

the picture 1.1:

STEP 4：

light turns out to be red alterna with green represents the upgrading has begun.
when the burning flash has ed, LED the red green alternang ashing light
slowly and the menu prompts to disconnect the power, as shown in re 1.3.

Link the USB device to the TV mainboard, press <MENU>+1147 of the

Search for the ‘Soware Upgrade(USB)’ item by the remote control ,just like

Picture 1.1

Enter the upgrading menu and chose ‘Yes’, as shown in re 1.2. The LED

- 43 -

Service Manual

Model No.:32E200

9-3 Software Update

Picture 1.2

Software Update (USB)

Picture

STEP 5：Disconnect to the power and connect to the power, the upgrading could be

ed.

1.3

9-4 Hotel Mode

Hotel mode allows user to set certain default settings, limit access to certain controls and
adjustments so that settings cannot be altered by other people. See “Hotel Mode” on page
40 for more information.

- 44-

Service Manual

Model No.: 32E2000

10. Troubleshooting

10-1 Simple Check

Please make these simple checks before calling service. These tips may save you time and money since
charges for receiver installation and adjustments of customer controls are not covered under your
warranty.

wolloF ot snoitcA dna kcehC ot smetIsmotpmyS

No power • Check if the TV’s AC power cord is plugged into a working power

outlet.

• Unplug the TV, and wait 60 seconds. Then reinsert plug into the
working power outlet and turn on the TV again.

No picture • Make sure correct input source is selected.

• Check antenna connection on the back of the TV to see if it is
properly connected.

• Possible broadcast station trouble. Try another channel.

• Adjust the picture contrast and brightness settings.

Good picture but no sound

Good sound but poor color • Adjust the contrast, color and brightness settings.

Poor picture • Poor picture quality may occur when an activated S-VHS camera or

Snowy picture and noise • Check the antenna connection.

TV not responding to remote
control

TV not working • Disconnect the TV from the power supply for 10 seconds, then

No le displayed in USB
mode

• Increase the volume level by pressing + button on the remote
control or VOL+ button on TV side control panel.

• Press button on the remote control to ensure mute is o.

camcorder is connected to your TV and the other peripheral at the
same time. Switch o one of the peripherals.

• Check whether the batteries are working. Replace if necessary.

• Make sure the remote control batteries are installed correctly.

• You can still use the control buttons on the side of your TV.

reconnect the TV. If the problem persists, contact authorised service
personnel for technical assistance.

• Make sure you select correct media type.

• Make sure the stored les are in supported format.

- 45 -

Service Manual

Model No.: 32E2000

10-2-1 AC/DC Power Board Diagram

AC

input

EMI
filter

Rectifie

19V/24V/

32V/50V

output

AC/DC

Power convertor

Output

Output

Feed

LED driver

BL_ON

PWM_REF

PWM_DIM

filter

filter

back

10-2-2 AC/DC Power Supply Trouble

19V/24V/
32V/50V

output

12V

output

power amplifier

The main IC、
Screen voltage

and so on

LED

、

Go to
check

Main

board

function

Check the rectifier

Non output, IR indicator light slake

Y

Check if 12V、19V（24V/
32V/50V） output normal

N

Check if FB1 Open

N

Check EMI open or L N short

N

N

Check if EB1 voltage

about √2Vac

Y

Check if UB101 PIN5

voltage is about 15V

Y

Check if output short

N

Check the power

components

damage or not

Y

Check if RB101,

RB102 open

Change

UB101

Change short

components

N

YY

Y

Change damage

Change damaged

components

resistors

- 46 -

10-2-3 LED driver Trouble

IR indicator light

up but backlight slake

Service Manual

Model No.: 32E2000

Correct
the LED

cable

Check if LED

output

short/open

Y

Remove

short/open

status

Y

Y

Check if LED output cable

is connect correction

N

Check PWM_DIM&PWM_REF&

BL_ON Control signal

Y

check is part of

the brightness is

in dim status

check is all of

the brightness is

in dim status

N

Check if UB801/UB802

PIN1 voltage is about 12V

Y

Check QB801/DB801

damage or not

Y

Change

QB801/DB801

10-2-4 DC/DC Power Supply Trouble

N

Y

Increase

brightness/check

if Sampling

resistor is right

N

Change

UB801/UB802

Check

Main

board

function

Check Pin2 of CNB2 for 12V

N

Check if the power

board is OK?

N

Repair the power board.

Repair the abnormal circuit :

1.5V_STB—check U2

2. 3V3_STB—check UL1

3.1.15V_STB–- check UD1
and peripheral components

Repair the abnormal circuit :

1. 5V_M—check power supply ,and
QM32 circuit

2. 1V8_DDR–- check UL2

Y

Check power on the TV board.

Check U2 for 5V_STB , UL1 for

3V3_STB and UD1 for 1.15V_STB

N

Power on , check CM32 for

5V_M,UL2 for 1.8V_DDR

N

Y

Y

Y

OK

- 47 -

Service Manual

Model No.: 32E2000

10-3-1 Display Trouble (blurred screen )

blurred screen

Check if the cable is correct

and connected tightly

N

Y

Change the cable

for panel

Change panel

Repair this circuit

N

N

Check if the panel is OK

Check if the output circuit from

to the jack is normal

U1(MSD3393) damage

10-3-2 Display Trouble (white screen )

White screen

Y

U1(MSD3393)

Y

Software error or

Check if the voltage of panel power

supply is normal(depend on panel)

Check the circuit of QM1

Change U1(MSD3393)

N

N

- 48 -

Y

Check output signal

from U1(MSD3393)

Change the panel

or the cable to panel

Y

10-3-3 Display Trouble (black screen)

Black screen

Check if BL_ON state is normal

Service Manual

Model No.: 32E2000

Check if the control circuit

between BL_ON and

N

Repair the circuit

BL_EN is normal ?

Change U1(MSD3393)

N

Y

Y

Check if the control circuit

between ADJ and

PWM/ADJ is normal ?

N

Repair the power supply

Y

Check if the power supply

for inverter is normal?

Check the inverter board

- 49 -

Service Manual

Model No.: 32E2000

10-4-1 Audio Trouble

No sound

Check the AMP power

N

Check the power supply circuit

Check the control circuit

Check the circuit from U1

to AMP

Check the circuit between output jack

and AMP chip, Change AMP chip

Y

Check if PIN1 of the AMP chip

voltage is normal

N

Y

Check the input signal

N

Y

Check the output signal

N

Check the circuit from AMP to the jack

Y

- 50 -

10-5-1 Function Trouble (TV video)

TV can’t search any

channel/no picture

Check input RF signal

N

Check the RF source

N

Check power supply circuit

N

Check IIC circuit Check IFP/IFN output signal

N

Check tuner and

peripheral components

10-5-2 Function Trouble (PC)

Y

Check tuner power

Check if IIC work

Check the circuit from
tuner to U1(MSD3393)

Service Manual

Model No.: 32E2000

Y

Y

Y

PC mode

Picture is not

in center

Do “auto adjust”

process

Missing color,

deflection color

Check if the R.G.B

input signal of U1

Y

Do “reset” process

on the menu

is normal

Check the circuit of

N

R.G.B input

Do “reset” process

on the menu or
the input mode

can’t be supported

Picture

dithering

Check if the signal of
V-sync,H-sync is OK

Y

Check the circuit

of VS.HS

No signal

N

Check the circuit

of VS.HS

10-5-1 Function Trouble (HDMI、YPbPr 、CVBS )

HDMI , YPbPr , CVBS

Check the signal at the jack

Check the external source

Check the circuit from jack to

U1(MSD3393)

N

- 51 -

YN

Check the signal on the

Corresponding of U1

Y

Change U1(MSD3393)