Sony KV-32HS500 Instructions: TV stand (primary... Installationsanleitung

Training Manual

Course: C31P15

Direct View/Projection

Television Troubleshooting

DA-4 & DA-4X Chassis

Models: DA-4 DA-4X

KV-32HS500 KP-57WV600

KV-32HV600 KP-57WV700

KV-34XBR800 KP-65WV600

KV-36HS500 KP-65WV700

KV-36XBR800

KV-40XBR800

Theory of Operation & Practical Troubleshooting Tips

KV-36HV500

KV-57WV700

Table of Contents

1.DA-4&DA-4XIntroductionand

PCB Interconnection ............................1

Introduction............................................................ 1

DA-4 & DA-4X PCD Interconnection................. 1

2.NewFeatures(DA-4 Chassis).........6

Scrolling Index....................................................... 6

Digital Visual Interface (DVI) ............................... 6

Memory Stick® Interface...................................... 8

3.PowerSupply

(DA-4 &DA-4X Chassis).....................12

DA-4 Chassis Power Supply.............................. 12

DA-4X Chassis Power Supply ........................... 20

DA-4 & DA-4X Regulators.................................. 26

4. DA-4 & DA-4X

Protection Circuits ...............................27

DA-4 Protection Circuits ..................................... 27

DA-4X Protection Circuits................................... 37

5.DA-4 &DA-4XVideo Procesing ....45

DA-4 & DA-4X Acceptable Inputs .................... 45

Overall Block Diagram ........................................ 45

6. DA-4 & DA-4X Chassis

Deflection Circuit .................................51

Horizontal Drive Circuit ....................................... 51

DA-4 Vertical Deflection Circuit ......................... 53

DA-4X Horizontal Deflection Circuit.................. 54

DA-4X Vertical Deflectin Circuit......................... 55

7. DA-4 & DA-4X Chassis

Communication Bus Networks ..........56

DA-4 & DA-4X Data Communication

Diagram................................................................ 56

8. DA-4 & DA-4X Audio Circuits ........58

DA-4 & DA-4X Audio Block Diagram.............. 58

1. Introduction and DA-4 & DA-4X PCB Interconnection

Chapter 1 - Introduction and

DA-4 & DA-4X PCB Interconnection

Introduction

Overview

The C31P15 course covers the DA-4 (Direct View) and the DA-4X (Projection) chassis. The content includes

new features such as Memory Stick and DVI. Also included is theory of operation and troubleshooting tips for all

majorcircuits(PowerSupplies,Protection,Deflection, CommunicationsandAudio)intheDA-4andDA-Xchassis.

This training manual is based on the KV-32HV600 model.

Objectives

•New Features

•Circuit Theory of Operation

•Component and Board level troubleshooting

DA-4&DA-4XPCB Interconnection

Overview

The DA-4 (Direct View) and DA-4X (Projection) chassis share many of the same PCBs. The only differences are

found in the RGB Drive, Power Supply and Flash Focus circuits. Table 1-1 indicates the circuits found on each

PCB and if the PCB is board or component level repairable for both the DA-4 and DA-4X chassis.

Table 1-1 DA-4 & DA-4X PCB Circuits and Repair Information

Board Circuits (DA-4) Circuits (DA-4X)

Field

Reparability Comments

A•A/C

Input

•STBY 5V

•+9V

Reg.

•+3.3V

Reg.

•+5V

Reg.

•Main &

Sub.

Tuners

•Audio

Output

IC’s

•DY-

Conv.

•A/C Input

•STBY 5V

•+9V Reg.

•+3.3V

Reg.

•+5V Reg.

•Main &

Sub.

Tuners

•Audio

Output

IC’s

Possible

Component

Level Repair

No DY-Conv.

Circuit for DA-

4X Chassis

AD •N/A •Flash

Focus

•Picture

Centering

•5V Reg.

Board Level

Repair DA-4X chassis

ONLY

1. Introduction and DA-4 & DA-4X PCB Interconnection

B•H-Protect

•V-Protect

•AD-DRC

•MID-XA

•HD-ADC

•CRT Drive

•A/D DNR

•Differential

Input

(Memory

Stick®)

•+1.8V Reg.

•+2.5V

Regs.

•+3V Reg.

•+3.3V Reg.

•+5V Reg.

•H-Protect

•V-Protect

•AD-DRC

•MID-XA

•HD-ADC

•CRT Drive

•A/D DNR &

SRAM

•Differential

Input

(Memory

Stick®)

•+1.8V Reg.

•+2.5V Regs.

•+3V Reg.

•+3.3V Reg.

•+5V Reg.

Board Level

Repair Additional

Circuits on DA-

4X chassis:

•Extra

circuits

•D-Brd

RGB

connecti

ons

•SRAM

(IC3001)

CCH (HS) or

CX (HV/XBR)

•RGB Drive

CR, CG, CB

•RGB Drive Possible

Component

Level Repair

Separate RGB

drive boards in

DA-4X chassis

D•H & V

Drive

•H & V DY

•Main

Power

Supply

+/-15V

+7V

+5V

+11V

+12V

+200V

+33V

Heater

•HV Power

Supply

•Protection

Circuits

HV Protect

+135

OVP/OCP

HD Protect

IK Protect

•H & V Drive

•H & V D

•HV Drive

•Convergence

Amps

•+12V Reg.

•+5V Reg.

•+210V

•+135V

•Heater

•Protection

Circuits

HV Protect

HD Drive

+135 OVP/OCP

Possible

Component

Level Repair

Main Power

Supply located

on D-Brd in DA-

4 chassis.

Main Power

Supply located

on G-Board in

DA-4X Chassis

1. Introduction and DA-4 & DA-4X PCB Interconnection

DH •N/S

Correction

•E/W

Correction

•N/A Possible

Component

Level Repair

KV-40XBR800

ONLY

G•N/A Power Supply

•Unreg. 7V

•Unreg. 5V

•+/-15V

•+/-19V

•+135V

•+33V

•+12V

•+36.5V

•RY6701

•RY6702

Possible

Component

Level Repair

DA-4X chassis

ONLY

HA •Key Input

•LED

•Remote

Control

•Key Input

•LED

•Remote

Control

Possible

Component

Level Repair

All models and

both Da-4 and

DA-4X chassis

Different Part#

for DA-4 & DA-

HC •Key Input

•LED

•Remote

Control

•N/A Possible

Component

Level Repair

XBR models

ONLY

HB •Front

Video

Input

•Front

Video

Input

Possible

Component

Level Repair

All models and

both DA-4 and

DA-4X chassis

Different Part#

for DA-4 & DA-

HM •Memory

Stick®

•Terminal

Board

•Memory

Stick®

Terminal

Board

Board Level

Repair All models and

both DA-4 and

DA-4X

chassis’s

Same Part# for

both DA-4 &

DA-4X

M•Main

System

Control

•A/V

Processin

•3D Comb

Filter

•5V Reg.

•Main

System

Control

•A/V

Processin

•3D Comb

Filter

•5V Reg.

Board Level

Repair All models and

both DA-4 and

DA-4X chassis

Different Part#

for DA-4 & DA-

1. Introduction and DA-4 & DA-4X PCB Interconnection

MS1 •Memory

Stick®

Processor

•Memory

Stick®

Processor

Board Level

Repair All models and

both DA-4 and

DA-4X

chassis’s

Different Part#

for DA-4 &

DA-4X

SR •N/A •Flash

Focus

Sensor

Board Level

Repair DA-4X chassis

ONLY

U•A/V

Switch

Terminal

board

•A/V

Switch

Terminal

board

All models and

both DA-4 and

DA-4X chassis

Same Part#

for both DA-4

& DA-4X

UD •DVI

Decoder •DVI

Decoder Board Level

Repair All models and

both DA-4 and

DA-4X chassis

Same Part#

for both DA-4

& DA-4X

VM •N/A •Velocity

Modulatio

Possible

Component

Level Repair

DA-4X chassis

ONLY

W•Velocity

Modulatio

•Vertical

Pincushio

•N/S

Correction

•N/A Possible

Component

Level Repair

DA-4 chassis

ONLY

1. Introduction and DA-4 & DA-4X PCB Interconnection

MAIN MICRO

3D COMB

VIDEO PROCESSOR

AUDIO PROCESSOR

CCD,V-CHIP,ID1

KEYS

SIRCS

LED

MAIN MICRO

3D COMB

VIDEO PROCESSOR

AUDIO PROCESSOR

CCD,V-CHIP,ID1

HA/HC (XBR)

DVI

A/V INPUTS

(1-7)

AUDIO OUT

MONITOR

OUT

S-CONTROL

A/V

SWITCH

FRONT

A/V INPUT

AC/DC POWER

AUDIO POWER

TUNER

DY CONV.,(DA-4)

DGC

SPEAKERS DY

CONVERTER

ANTENNA

SWITCH

POWER

SUPPLY

INPUT

H/V DRIVE

H/V DY

POWER SUPPLY

AC RECT.

DEFLECTION

GAD DRC

MID - XA

HD - ADC

CRT DRIVE

AD DNR

DA-4X

CHASSIS

VELOCITY

MOD

MS 1

MEMORY

STICK PROCESSOR

VELOCITY

MOD.

V - PIN

N/S DRIVE

MEMORY

STICK

INTERFACE

CH/CX(XBR)

VIDEO OUT

MEMORY

STICK

N/S COIL

V-PIN COIL

QP COIL

VIDEO

OUT

VIDEO

OUT

VIDEO

OUT

DA-4X

CHASSIS

DA-4

CHASSIS

LANDING

CORRECTION

KV40XBR 800 ONLY

DA-4X

CHASSIS

HORIZONTAL &

VERTICAL

DEFLECTION YOKE CRT

CRT

DVI MOLEX

CONNECTOR

FIGURE 1-1 - DA-4 & DA-4X PCB BLOCK INTERCONNECTION DIAGRAM

FLASH FOCUS

SENSORS

DIGITAL

REG

PJED CPU

PJE DRIVE

DA-4X

CHASSIS

1C31P15 1478 11/7/02

Figure 1-1 illustrates the PCB interconnections for both the DA-4 and DA-4X chassis.

2. New Features (DA-4 Chassis)

Chapter 2 - New Features (DA-4 & DA-4X Chassis)

Figure 2-1

Scrolling Index

Three new features will be discussed in this section:

•Scrolling Index

•DVI Interface

•Memory Stick® Interface

ScrollingIndex

The Scrolling Index allows you to select your

main video from a scrolling index of video

pictures.

TheScrollingIndexappearswiththecurrently

selected program in the main (left) window

and four scrolling video pictures in windows

down the right side of the picture tube.

As each picture on the right scrolls to the live

preview window, it changes briefly from a

frozen video to live video. The right side

continues to scroll through the entire channel

list.

Factors Affecting the Scrolling Index:

ØScrolling Index does not function

if you use a cable box to view all

channels.

ØSources connected to the AUX,

Video 5, Video 6 and Video 7 inputs

are visible in the left window, but not in the scrolling right windows.

ØScrolling Index does not function if the parental controls are set.

DigitalVisualInterface(DVI)

Introduction

As the digital display technology (e.g. Plasma and LCD) grows so does the need to replace the present analog

HD component connection between external digital device (e.g. Digital TV/Satellite Receiver) and the HDTVTM

set. The issue is the inherent picture quality problems caused by Digital-to Analog (D/A) and Analog-to-Digital

(A/D)conversionprocesses.

For example, if you have a digital Plasma display HDTVTM and a Digital TV/Satellite Receiver, the digital video

signal in the Digital TV/Satellite Receiver must be converted to a analog component video signal and then sent

to the HDTVTM where it must be converted back to a digital signal video to drive the Plasma display. Because of

the two video signals conversion steps and the possible analog signal loss across the connection between the

HDTVTM and the Digital TV/Satellite Receiver, the picture quality will suffer. Even with an analog CRT the Digital

TV/Satellite Receiver video signal must go through D/A conversion, which can adversely affect picture quality.

The resolution to this dilemma is the creation of a complete end-to-end standard digital video interface, such as

DVI. The DVI interface is a high-speed digital video interface allowing uncompressed high-definition content to

be passed to another DVI equipped device such as an HDTVTM set. DVI is the only digital interface capable of

2. New Features (DA-4 Chassis)

1 2 9 10 17 18 23 24 6 7 14 16

IC7004

DVI-DECODER

R7021

10kHz

5V TO

D7001

CN7001

24P MOLEX

CONNECTOR

R x 2-R x 2+ R x 1-

R x 1+R x 0- R x C+

R x C- SCL SDA 5V HPD

IC7001

NVM

R x 0+

3.3V

REG

2.5V

REG

IC7005

MCU IC7006

NVM

3.3V

2.5V

3.3V 2.5V

CN7002

SDA, SCL

SDA,

SCL

X7001

14.31818MHz

X7002

12MHz

SET-UP

MUTE

VGA

RESET

FIGURE 2-2 - UD - BOARD BLOCK (DVI DECODER)

C31P15-2-2 1501 10/31/02

CN2304/

PIN 1

CONNECTOR

accommodating uncompressed digital data such as HD video. DVI also has the bandwidth to support higher

audio fidelity.

DVI has a bandwidth of up to 5 Gigabits/sec, which is more then enough to accommodate an uncompressed HD

video transmission that typically requires 2.2 Gigabits/sec bandwidth.

DVI Connector and Decoding Block

The DVI Molex connector and Decoding circuitry for both the DA-4 and DA-4X chassis are located on the UD-

Board (NOTE: This board is NOT field repairable). Figure 2-2 shows a block diagram for the UD-Board. The

DVI signal (from a Digital TV/Satellite Receiver) is received at the 24-pin Molex connector CN7001. There are

three serial data differential channels RX0+/RX0-, RX1+/RX1-, RX2+/RX2- and one reference clock differential

channel RXC+/RXC-.

IC7001 NVM is also connected to the external device through the SDA and SCL (I2C) bus. IC7001 stores the

EDID data (Extended Display Identification Data) and HDCP (High Definition Digital Content Protection).

EDID is sent to inform the external digital device of the TV’s identity and capabilities.

HDCP is an Authentication protocol between the external digital device (transmitter) and the TV (receiver) that

affirms to the transmitter that the receiver is authorized to receive the protected information.

CN 7001/pin 14 (5V) is supplied from the external digital device to power IC7001 (NVM) so EDID can be sent

when the TV set is OFF. If the TV set is ON, IC7001 will receiver 5V from CN7002 through D7001.

CN7001/pin 16 is the Hot Plug Detect pin (HPD). The TV set supplies 5V to the external digital device to verify

proper connection between the two devices.

The DVI Decoder, IC7004 receives the three channels of digital video data and outputs analog component video

(Y, PB, PR) to CN7002/pins 10, 8 and 6 respectively.

2. New Features (DA-4 Chassis)

DSC0001

DSC0002

DSC0003

100MSDCF

IMAGE

DIRECTORY

NAME

IMAGE FILE

NAMES

FIGURE 2-3 - DCF DIRECTORY C31P15-2-3 1504 9/26/02

NOTE:

DO NOT RENAME DIRECTORIES.

IF THE NAMES ARE CHANGED,

THE STILL IMAGES CANNOT BE

DISPLAYED ON YOUR TV.

MemoryStick®Interface

Introduction

Memory Stick® is a new compact, portable and versatile Integrated Circuit Recording Medium with a data

capacity that exceeds that of a floppy disk. The internal memory circuit structure is a type of Flash Memory

similar to that found in a personal computer. It is a solid-state design, which basically means there are no moving

parts. Inside the Memory Stick® is a grid of columns and rows with a two-transistor cell at each intersection point

on the gird, which is used to store a 1 or 0. The Memory Stick® is specially designed for the exchange and

sharing of digital data among Memory Stick® compatible products such as Digital Still Cameras and Digital Video

Cameras. Because it is removable, Memory Stick® can also be used for external data storage.

Memory Stick® technology allows you to view on the TV digital (JPEG) still images that are stored on Memory

Stick® medium. You can choose from an index of the images stored on the Memory Stick® or you can run a

slideshow of those images.

The DA-4 and DA-4X chassis Memory Stick® viewer can displayONLY Still Imagesthat have been recorded on

Memory Stick® media by Sony brand digital still and video cameras.

Recorded images must meet the following specifications:

ØCompression format:JPEG

ØFile format: DCF compliant

NOTE: Most Sony brand digital still and video cameras automatically record still images using DCF

(Design rule for Camera File system) compliant directory and file names as shown in Figure 2-3:

The main advantage of the Memory Stick® is its size, which measures approximately 2’’x3/4"x1/8", making it

extremely portable (reference Figure 2-3). However, do not let the size fool you; the Memory Stick® comes in

five data capacity ratings: 8MB, 16MB, 32MB, 64MB, 128MB and 256MB.

Note: The DA-4 and DA-4X chassis Memory Stick® viewer is compatible with Memory Sticks® up to and

including 128MB. **The 256MB Memory Stick® is not compatible.**

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