Sony Bravia KDL-32EX705 Bedienungsanleitung

LCD DIGITAL COLOR TV

SERVICE MANUAL

AZ1-L

CHASSIS

MODEL NAME REMOTE COMMANDER DESTINATION

9-888-299-51

KDL-32EX705

RM-YD047 ARGENTINA

KDL-32EX705

RM-YD047 LATIN AMERICA

KDL-40EX705

RM-YD047 ARGENTINA

KDL-40EX705

RM-YD047 LATIN AMERICA

KDL-46EX705

RM-YD047 ARGENTINA

KDL-46EX705

RM-YD047 LATIN AMERICA

LEVEL

CONFIDENTIAL

HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

ORIGINAL MANUAL ISSUE DATE: 3/2010

REVISION DATE SUBJECT

3/2010 No revisions or updates are applicable at this time.

CONFIDENTIAL

ELECTRICAL SERVICE MANUAL

INTERNAL ONLY

KDL-32EX705/40EX705/46EX705

TABLE OF CONTENTS

SECTION TITLE PAGE

Warnings and Cautions - English ............................................................................................................................................................................... 3

Safety-Related Component Warning .......................................................................................................................................................................... 4

Safety Check-Out ....................................................................................................................................................................................................... 6

SECTION 1: DIAGRAMS................................................................................................................................................................................................... 7

1-1. Circuit Boards Location ...................................................................................................................................................................................... 7

1-2. Printed Wiring Boards and Schematic Diagrams Information ............................................................................................................................ 7

1-3. Block Diagrams ................................................................................................................................................................................................. 9

1-4. Schematics and Supporting Information .......................................................................................................................................................... 10

BAL Board Schematic Diagram (1 of 18) ......................................................................................................................................................... 10

BAL Board Schematic Diagram (2 of 18) ......................................................................................................................................................... 11

BAL Board Schematic Diagram (3 of 18) ......................................................................................................................................................... 12

BAL Board Schematic Diagram (4 of 18) ......................................................................................................................................................... 13

BAL Board Schematic Diagram (5 of 18) ......................................................................................................................................................... 14

BAL Board Schematic Diagram (6 of 18) ......................................................................................................................................................... 15

BAL Board Schematic Diagram (7 of 18) ......................................................................................................................................................... 16

BAL Board Schematic Diagram (8 of 18) ......................................................................................................................................................... 17

BAL Board Schematic Diagram (9 of 18) ......................................................................................................................................................... 18

BAL Board Schematic Diagram (10 of 18) ....................................................................................................................................................... 19

BAL Board Schematic Diagram (11 of 18) ....................................................................................................................................................... 20

BAL Board Schematic Diagram (12 of 18) ....................................................................................................................................................... 21

BAL Board Schematic Diagram (13 of 18) ....................................................................................................................................................... 22

BAL Board Schematic Diagram (14 of 18) ....................................................................................................................................................... 23

BAL Board Schematic Diagram (15 of 18) ....................................................................................................................................................... 24

BAL Board Schematic Diagram (16 of 18) ....................................................................................................................................................... 25

BAL Board Schematic Diagram (17 of 18) ....................................................................................................................................................... 26

BAL Board Schematic Diagram (18 of 18) ....................................................................................................................................................... 27

GE2B Board Schematic Diagram (Page 1 of 2) (KDL-46EX705 Only) ............................................................................................................ 30

GE2B Board Schematic Diagram (Page 2 of 2) (KDL-46EX705 Only) ............................................................................................................ 31

GE3A Board Schematic Diagram (Page 1 of 2) (KDL-32EX705/40EX705 Only) ............................................................................................33

GE3A Board Schematic Diagram (Page 2 of 2) (KDL-32EX705/40EX705 Only) ............................................................................................34

HLR Board Schematic Diagram ....................................................................................................................................................................... 36

HMS2 Board Schematic Diagram .................................................................................................................................................................... 38

SECTION 2: ELECTRICAL PARTS LIST ........................................................................................................................................................................40

APPENDIX A: ENCRYPTION KEY COMPONENTS..................................................................................................................................................... A-1

KDL-32EX705/40EX705/46EX705

WARNINGS AND CAUTIONS - ENGLISH

CAUTION

These servicing instructions are for use by qualiﬁed service personnel only. To reduce the risk of electric shock, do not perform any servicing other

than that contained in the operating instructions unless you are qualiﬁed to do so.

CARRYING THE TV

• Carry the TV with the adequate number of people; larger size TVs require two or more people.

• Correct hand placement while carrying the TV is very important for safety and to avoid

damage.

WARNING!!

An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis. The chassis of this receiver is

directly connected to the ac power line.

!SAFETY-RELATED COMPONENT WARNING!!

Components identiﬁed by shading and

mark on the schematic diagrams, exploded views, and in the parts list are critical for safe operation. Replace

these components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. Circuit adjustments that

are critical for safe operation are identiﬁed in this manual. Follow these procedures whenever critical components are replaced or improper operation is

suspected.

HANDLING THE GLASS ASSEMBLY

Gloves should be worn when handling the Glass Assembly to prevent leaving ﬁngerprints or dirt on the glass.

KDL-32EX705/40EX705/46EX705

SAFETY-RELATED COMPONENT WARNING

There are critical components used in LCD color TVs that are important for safety. These components are identiﬁed with shading and

mark on the schematic diagrams and the electrical parts list. It is essential that these critical parts be replaced only with the part number

speciﬁed in the electrical parts list to prevent electric shock, ﬁre, or other hazard.

NOTE: Do not modify the original design without obtaining written permission from the manufacturer or you will void the original parts and

labor guarantee.

USE CAUTION WHEN HANDLING THE LCD PANEL

When repairing the LCD panel, be sure you are grounded by using a wrist band.

When installing the LCD panel on a wall, the LCD panel must be secured using the 4 mounting holes on the rear cover.

To avoid damaging the LCD panel:

do not press on the panel or frame edge to avoid the risk of electric shock.

do not scratch or press on the panel with any sharp objects.

do not leave the module in high temperatures or in areas of high humidity for an extended period of time.

do not expose the LCD panel to direct sunlight.

avoid contact with water. It may cause a short circuit within the module.

disconnect the AC adapter when replacing the backlight (CCFL) or inverter circuit.

(High voltage occurs at the inverter circuit at 650Vrms.)

always clean the LCD panel with a soft cloth material.

use care when handling the wires or connectors of the inverter circuit. Damaging the wires may cause a short.

protect the panel from ESD to avoid damaging the electronic circuit (C-MOS).

during the repair, DO NOT leave the Power On for more than 1 hour while the TV is face down on a cloth.

LEAKAGE CURRENT HOT CHECK CIRCUIT

KDL-32EX705/40EX705/46EX705

The circuit boards used in these models have been processed using

Lead Free Solder. The boards are identified by the LF logo located

close to the board designation e.g. H1 etc [ see example ]. The

servicing of these boards requires special precautions to be taken as

outlined below.

example

It is strongly recommended to use Lead Free Solder material in order to guarantee optimal quality of new solder joints.

Lead Free Solder is available under the following part numbers :

Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade.

This requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.

For more information on the use of Lead Free Solder, please refer to

http://www.sony-training.com

rebmuntraP retemaiD skrameR

91-500-046-7mm3.0gK52.0

02-500-046-7mm4.0gK05.0

12-500-046-7mm5.0gK05.0

22-500-046-7mm6.0gK52.0

32-500-046-7mm8.0gK00.1

42-500-046-7mm0.1gK00.1

52-500-046-7mm2.1gK00.1

62-500-046-7mm6.1gK00.1

KDL-32EX705/40EX705/46EX705

SAFETY CHECK-OUT

After correcting the original service problem, perform the following

safety checks before releasing the set to the customer:

1. Check the area of your repair for unsoldered or poorly soldered

connections. Check the entire board surface for solder splashes and

bridges.

2. Check the interboard wiring to ensure that no wires are “pinched” or

touching high-wattage resistors.

3. Check that all control knobs, shields, covers, ground straps, and

mounting hardware have been replaced. Be absolutely certain that

you have replaced all the insulators.

4. Look for unauthorized replacement parts, particularly transistors,

that were installed during a previous repair. Point them out to the

customer and recommend their replacement.

5. Look for parts which, though functioning, show obvious signs of

deterioration. Point them out to the customer and recommend their

replacement.

6. Check the line cords for cracks and abrasion. Recommend the

replacement of any such line cord to the customer.

7. Check the antenna terminals, metal trim, “metallized” knobs, screws,

and all other exposed metal parts for AC leakage. Check leakage as

described below.

Leakage Test

The AC leakage from any exposed metal part to earth ground and

from all exposed metal parts to any exposed metal part having a

return to chassis, must not exceed 0.5 mA (500 microamperes).

Leakage current can be measured by any one of three methods.

1. A commercial leakage tester, such as the Simpson 229 or RCA

WT-540A. Follow the manufacturers’ instructions to use these

instructions.

2. A battery-operated AC milliampmeter. The Data Precision 245

digital multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of a VOM

or battery-operated AC voltmeter. The “limit” indication is 0.75

V, so analog meters must have an accurate low voltage scale.

The Simpson’s 250 and Sanwa SH-63TRD are examples of

passive VOMs that are suitable. Nearly all battery-operated digital

multimeters that have a 2 VAC range are suitable (see Figure A).

How to Find a Good Earth Ground

A cold-water pipe is a guaranteed earth ground; the cover-plate

retaining screw on most AC outlet boxes is also at earth ground. If the

retaining screw is to be used as your earth ground, verify that it is at

ground by measuring the resistance between it and a cold-water pipe

with an ohmmeter. The reading should be zero ohms.

If a cold-water pipe is not accessible, connect a 60- to 100-watt

trouble- light (not a neon lamp) between the hot side of the receptacle

and the retaining screw. Try both slots, if necessary, to locate the hot

side on the line; the lamp should light at normal brilliance if the screw

is at ground potential (see Figure B).

xpose

Parts on Set

0.15 μF

Earth Ground

Voltmeter

(0.75V)

Trouble Light

AC Outlet Box Ohmmeter

Cold-water Pipe

Figure A. Using an AC voltmeter to check AC leakage. Figure B. Checking for earth ground.

KDL-32EX705/40EX705/46EX705

SECTION 1: DIAGRAMS

1-1. CIRCUIT BOARDS LOCATION

1-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS INFORMATION

All voltages are in V.

S : Measurement impossibility.

: B+line.

: B-line. (Actual measured value may be different).

: signal path. (RF)

Circled numbers are waveform references.

The components identiﬁed by shading and

symbol are critical for safety. Replace

only with part number speciﬁed.

The symbol indicates a fast operating fuse and is displayed on the component

side of the board. Replace only with fuse of the same rating as marked.

NOTE: The components identiﬁed by a red outline and a mark contain conﬁdential

information. Speciﬁc instructions must be adhered to whenever these components

are repaired and/or replaced.

See Appendix A: Encryption Key Components in the back of this manual.

All capacitors are in μF unless otherwise noted. pF : μμF 50WV or

less are not indicated except for electrolytics and tantalums.

All electrolytics are in 50V unless otherwise speciﬁed.

All resistors are in ohms. k=1000, M=1000k

Indication of resistance, which does not have one for rating

electrical power, is as follows: Pitch : 5mm

Rating electrical power :

1/4 W

1/4 W in resistance, 1/10 W and 1/16 W in chip resistance.

: nonﬂammable resistor

: fusible resistor

: internal component

: panel designation and adjustment for repair

: earth ground

: earth-chassis

All variable and adjustable resistors have characteristic curve B,

unless otherwise noted.

Readings are taken with a color-bar signal input.

Readings are taken with a 10Mdigital multimeter.

Voltages are DC with respect to ground unless otherwise noted.

Voltage variations may be noted due to normal production

tolerances.

GE2B (KDL-46EX705 ONLY)

GE3A (KDL-32EX705 and KDL-40EX705 ONLY)

HMS2

SWITCH UNIT

HLR

BAL

KDL-32EX705/40EX705/46EX705

B1 E1

B2 C1E2

–

B2 E2

B1 C2

B2 E2

B1 C2E1

B2 E2

B1 C2E1

B1 E1

C1(B2)

(B2)

C2C1(B2)

C2E1(B2)

E2E1(B2)

Ver.1.6

Transistor

(FET)

Transistor

Discrete semiconductor

(Chip semiconductors that are not actually used are included.)

Diode

Source

Anode Anode

(NC)

Cathode

Anode

Cathode

Common

Cathode Cathode

Common

Cathode Cathode

Common

Cathode

Anode

Base Emitter

Collector

Base Emitter

Collector

Drain

Gate

Drain

Device Printed symbol Terminal name Circuit

Terminal name of semiconductors in silk screen

printed circuit ( )

Anode

Anode Cathode

Anode Anode

Cathode

Transistor

(FET)

Transistor

(FET)

Emitter

Collector

Base

Transistor

Source

Gate

Drain

Cathode

Anode

Anode Cathode

Anode

REFERENCE INFORMATION

RESISTOR

: RN METAL FILM

: RC SOLID

: FPRD NONFLAMMABLE CARBON

: FUSE NONFLAMMABLE FUSIBLE

: RW NONFLAMMABLE WIREWOUND

: RS NONFLAMMABLE METAL OXIDE

: RB NONFLAMMABLE CEMENT

: ADJUSTMENT RESISTOR

COIL

: LF-8L MICRO INDUCTOR

CAPACITOR

: TA TANTALUM

: PS STYROL

: PP POLYPROPYLENE

: PT MYLAR

: MPS METALIZED POLYESTER

: MPP METALIZED POLYPROPYLENE

: ALB BIPOLAR

: ALT HIGH TEMPERATURE

: ALR HIGH RIPPLE

KDL-32EX705/40EX705/46EX705

1-3. BLOCK DIAGRAMS

HDMI1

HDMI1_TMDS

DEBUG I/F

UART2_TXD/RXD

Analog Video Analog Audio

Digital Video Digital AudioUART

I2C

Power

EMMA3TL2

UART0_TXD/RXD

UART1_TXD/RXD

Tcon Board

HDMI2(side)

HDMI3(Side)

HDMI4

HDMI5

Tuner

USB

ETHER

SP OUT

LINE OUT

SPDIF OUT

HDMI2_TMDS

HDMI3_TMDS

HDMI4_TMDS

HDMI5_TMDS

PHY

[MICREL ]

D_IF

HDMI

SW/ EQ

[SPADE]

Component

AV3 (Side)

COMP_Y/PB/PR

PC_RGB

Side_CVBS

Video

[CXA2241]

Side_L/R

COMP_L/R

PC_L/R

HDMI1_I2C

HDMI2_I2C

HDMI3_I2C

HDMI4_I2C

HDMI5_I2C

Audio

DAC

AMP

[Inlay]

D Amp

[TAS5707

]

LVDS VIDEO

Mimas

[MB91F313]

SPI

H Board

LVDS

EEP Temp

Sensor

BAL Board

OneNAND

1Gb

PANEL_SCL/SDA

QDL TCON

PEL2

3a-0/3a-1

PEH QDL

PEM 2b-1

NLD

SONY Logo

Camera

WiFi

USB

HUB

[NEC]

Eco Switch

TITAN TS

Presence Sensor

TU_CVBS

TU_L/R

CEC

[MIMAS]

RGB Sensor

SCL2/SDA2

HDMI_SCL/SDA

SCL1/SDA1

SCL0/SDA0

MUXOUT_L/R

HP/LINEOUT_L/R

TVOUT_L/R

SPDIF_OUT

MAIN_CVBS

HDMI_TMDS

DDR2

1Gb x2

RF_TXD/RXD

DIMMER_C T R L

DiSEqC

Blind Touch Key

ARC

㪦㫅㫃㫐㩷㪽㫆㫉㩷㪙㪛㩷㫄㫆㪻㪼㫃㩷

㩿㪠㫅㫋㪼㫉㫅㪸㫃㪀

2b-2

DEVICE_SCL/SDA

TV_TXD/RXD

SW Debug

TCON

SPEL TCON

㪦㪩

HOTEL CN

JTAG

RS232_TXD/RXD

㪬㪪㪙㪉㪅㪇

KDL-32EX705/40EX705/46EX705 10

KDL-32EX705/40EX705/46EX705

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24

—

1-4. SCHEMATICS AND SUPPORTING INFORMATION

BAL BOARD SCHEMATIC DIAGRAM (1 OF 18)

GND_D

680R9006

GND_D

R9007

X_M_NAND_WP_IN

X_M_HDMI_MUTE

68 R9025

M_SCL0

M_SDA0

M_SCL1

M_SDA1

M_SCL2

M_SDA2

M_MS_DATA0

M_MS_BS

M_MS_CLK

R9027

10k

GND_D

D+3.3V

M_UART0_RX

M_UART1_RX

M_UART2_TX

M_UART0_TX

M_UART1_TX

M_UART2_RX

GND_D

181435611

X9000

D+3.3V

X_U_BOOT_RST

47 RB9005

M_MS_INS

R 9005

10k

RB9008

POWER3

CL9008

CL9007

CL9009

CL9010

321

74AHC1G08GW-12 5

IC9002

GND Y

VCC

X_U_BOOT_RST

GND_D

16V

0.1

C9003

D+3.3V

RB9007

2.2k

R9003

M_HP_DET

CL9001

X_M_WDT

DOWNLOAD_DATA

DOWNLOAD_CS

DOWNLOAD_CLK

R9056 CL9002

CL9004

M_DIMMER

RB9010

10k

CL9011

CL9012

2.2k

RB9002

100R9073

SySTEM

*IC9000

MC-10161F1-420-PN4-A

SYSRSTB

SYSWRSTB

SYSXI

AD1

SYSXO

AD2

TEST

F17

M28

L29

M27

L27

L28

NM I

M29

GPIO52/PRCG0

E17

GPIO53/PRCG1

F19

GPIO74

D17

GPIO75

E16

GPIO76

D16

GPIO77

E15

GPIO78

E20

SCL0 T27

SDA0 T26

SCL1 E18

SDA1 D18

GPIO62/SCL2 T25

GPIO63/SDA2 R26

URT0RX R28

URT0TX R29

URT1RX T29

URT1TX T28

GPIO64/URT2TX2 R27

GPIO65/URT2RX2 R25

GPIO24/SCICMDV V2

GPIO25/SCIRST V5

GPIO26/SCITRD T5

GPIO27/SCICLK M6

GPIO28/SCIOFF U4

MSCLK/SDDATA1 M4

MSDIR/SDCDI R P1

MSBS/SDCM D P2

MSDATA0/SDCLK N1

MSDATA1/SDDATA0 N3

MSDATA2/SDDATA2 M3

MSDATA3/SDDATA3 N4

SDDIR N2

CL9013

CL9017

CL9014

CL9015

CL9016

D+3.3V

RB9011

2.2k

*RB9006

2.2k

RB9009

RB9012

RB9014

Portion7

48MHz

BAL 1/18

E3TL-2 SYSTEM

A-1761-160-A <AZ1L> BAL-P1

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