Sony Trinitron KV-HS29M90 Manuel utilisateur

SERVICE MANUAL

CHASSIS

AG-3F

MODEL COMMANDER DEST.CHASSIS NO.MODEL COMMANDER DEST.CHASSIS NO.

KV-HS29M61 RM-997 ES SCC-M03-A

KV-HS29M90 RM-997 HK SCC-P96-C

KV-HS29M91 RM-997 ME SCC-P98-C

KV-HS34M61 RM-997 GE SCC-P97-A

KV-HS34M61 RM-997 S SCC-M01-A

KV-HS34M90 RM-997 HK SCC-P96-A

TRINITRON

COLOR TV

VIDEO

DRC-MF

HD/DVD

123

456

JUMP

PROG

OPTION RESET

A/B

V CENTER

PROG

INDEX

RM-997 KP-HS29M61/M90/M91,

KP-HS34M61/M90/M91,

KP-HS38M61/M90/M91

KV-HS34M91 RM-997 ME SCC-P98-A

KV-HS38M61 RM-997 GE SCC-P97-B

KV-HS38M61 RM-997 S SCC-M01-B

KV-HS38M90 RM-997 HK SCC-P96-B

KV-HS38M91 RM-997 ME SCC-P98-B

– 2 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

KV-HS29M61/M91 KV-HS29M90

KV-HS34M61/M91 KV-HS34M90 KV-HS38M61/M90/M91

Power requirements 110-240 V AC, 50/60 Hz 220V AC, 50Hz 220-240 V AC, 50/60 Hz

Power consumption (W) Indicated on the rear of the TV.

Television system B/G, I, D/K, M

Color system PAL, PAL 60, SECAM, NTSC4.43, NTSC3.58

Stereo system NICAM Stereo/Bilingual B/G, I; A2 Stereo (German) B/G

Channel coverage

B/G VHF: E2 to E12 / UHF: E21 to E69 / CATV: S01 to S03, S1 to S41

IUHF: B21 to B68 / CATV: S01 to S03, S1 to S41

D/K VHF: C1 to C12, R1 to R12 / UHF: C13 to C57, R21 to R60

CATV: S01 to S03, S1 to S41, Z1 to Z39

MVHF: A2 to A13 / UHF: A14 to A79 /

CATV: A-8 to A-2, A to W+4, W+6 to W+84

˘(Antenna) 75-ohm external terminal

Audio output (Speaker) 15W + 15W (12W + 12W : 7 % distortion)

Number of terminal

(Video) Input: 4 Output: 1 Phono jacks; 1 Vp-p, 75 ohms

≥(Audio) Input: 4 Output: 1 Phono jacks; 500 mVrms

(S Video) Input: 2 Y : 1 Vp-p, 75 ohms,

unbalanced, sync negative

C : 0.286 Vp-p, 75 ohms

(Component Input: 2 Phone jacks

Video) Y : 1 Vp-p, 75 ohms, sync negative

CB: 0.7 Vp-p, 75 ohms

CR: 0.7 Vp-p, 75 ohms

Audio : 500 mVrms

(R/G/B/HD/ Input: 1 Phone jacks

VD Video) R : 0.7 Vp-p, 75 ohms

B : 0.7 Vp-p, 75 ohms

G : 0.7 Vp-p, 75 ohms

HD : 0.7 Vp-p, 75 ohms

VD : 0.7 Vp-p, 75 ohms

2(Headphones) Output: 1 Stereo minijack

Picture tube 29 inch 34 inch 38 inch

Tube size (cm) 72 86 97

(Measured diagonally)

Dimension (w/h/d, mm) 772 ×587 ×562 898 ×678 ×581 994 ×755 ×623

Mass (kg) 58 86 112

SPECIFICATIONS

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY SHADING AND MARK !ON

THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE

PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE

THESE COMPONENTS WITH SONY PARTS WHOSE PART

NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN

SUPPLEMENTS PUBLISHED BY SONY.

CAUTION

SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND

THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR

CARBON PAINTED ON THE CRT, AFTER REMOVING THE

ANODE.

Design and specifications are subject to change without notice.

– 3 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

TABLE OF CONTENTS

Section Title Page

SELF DIAGNOSIS FUNCTION .................................. 4

1. DISASSEMBLY

1-1. Rear Cover Removal .............................................. 8

1-2. Speaker Box Removal ............................................ 8

1-3. Chassis Assy Removal ............................................. 8

1-4. Service Position ....................................................... 9

1-5. DC Board Removal .................................................. 9

1-6. J Board Removal ...................................................... 9

1-7. D Board Removal .................................................. 10

1-8. A, A1, and E Boards and B4 Block Removal ...... 10

1-9. H1, H2, MS2, and F2 Boards Removal ................ 11

1-10. Picture Tube Removal (1) ...................................... 11

1-11. Picture Tube Removal (2) ...................................... 12

1-12. Harness Ranning .................................................... 13

2. SET-UP ADJUSTMENTS

2-1. Beam Landing Adjustment .................................... 15

2-2. Convergence Adjustment ....................................... 16

2-3. Focus Adjustment .................................................. 18

2-4. Neck Assy Twist Adjustment ................................. 18

2-5. G2 (Screen) and White Blance Adjustments ......... 19

3. CIRCUIT ADJUSTMENTS

3-1. Adjustments with Commander .............................. 20

3-2. Adjustment Method ............................................... 21

3-3. Picture Quality Adjustments .................................. 35

3-3-1. Preparation ......................................................... 35

3-3-2. NTSC Video Input ............................................. 36

3-3-3. NTSC RF Input ................................................. 36

3-3-4. PAL Video Input ................................................ 37

3-3-5. PAL RF Input ..................................................... 37

Section Title Page

4. SAFETY RELATED ADJUSTMENTS

4-1. HV Regulation Adjustment .................................... 38

4-2. HV Hold-down Adjustment ................................... 38

4-2-1. HV Protector Adjustments ................................ 38

4-2-2. HV Protector Check ......................................... 38

4-3. +B Max Voltage Confirmation ............................... 39

4-4. +B OVP Confirmation ........................................... 39

5. DIAGRAMS

5-1. Block Diagrams ...................................................... 40

5-2. Circuit Boards Location ......................................... 56

5-3. Schematic Diagrams ............................................... 57

5-4. Semiconductors .................................................... 124

6. EXPLODED VIEWS

6-1. Picture Tube .......................................................... 128

6-2. Chassis .................................................................. 130

6-3. Packing Materials ................................................. 132

7. ELECTRICAL PARTS LIST ................................... 133

– 4 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER lamp will automatically

begin to flash.

The number of times the lamp flashes translates to a probable source of the problem. A definition of the STANDBY/TIMER

lamp flash indicators is listed in the instruction manual for the user’s knowledge and reference. If an error symptom cannot

be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past

problems and how often these problems occur.

1. DIAGNOSTIC TEST INDICATORS

When an errors occurs, the STANDBY/TIMER lamp will flash a set number of times to indicate the possible cause of the

problem. If there is more than one error, the lamp will identify the first of the problem areas.

Result for all of the following diagnostic items are displayed on screen. No error has occured if the screen displays a “0”.

Note 1: If a + B overcurrent is detected, stoppage of the vertical deflection is detected simultaneously.

The symptom that is diagnosed first by the microcontroller is displayed on the screen.

Note 2: Refer to screen (G2) Adjustment in section 3-4 of this manual.

SELF DIAGNOSTIC FUNCTION

Detected

Symptoms

• Power does not come on.

• No power is supplied to the

TV.

• AC power supply is faulty.

• Power does not come on.

• Load on power line is

shorted.

• Power does not come on.

• Vertical deflection pulse is

stopped.

• Vertical size is too amall.

• Vertical deflection stopped.

• Power line is shorted or

power supply is stopped.

• No raster is generated.

• CRT cathode current

detection reference pulse

output is small.

• H pulse output is too high.

• Low B (-10.5V) is too Low.

• There is picture but speaker

does not release sound.

• Power is shut down shorlty,

after this return back

tonormal

• Detect Micro latch up.

Probable

Cause

Location

• Power cord is not plugged

in.

• Fuse is burned out F1601

(F1 Board)

• H.OUT Q5030 is shorted.

• Q5003(PWM-OUT) is

shorted.

• PH 6502 faulty.

• 135V Line is overvoltage

supplied. (D board)

• V.OUT IC5004 faulty

D5001 faulty

D5002 faulty

D5035 faulty

D5036 faulty

R5173 or R5172 open.

• G2 is improperly adjusted.

(Note 2)

• CRT problem.

• Video OUT IC9001,9002,

9003 are faulty. (C1 board)

• IC4301 (E board) are faulty.

• No connection E board to

C1 board.

• C5064 is open circuit.

• CN5002(D board) is

disconnected.

• HOP circuit is failure.

• -10.2V Power Supply or

IC2601 or IC2602 are

failure.

• CN6101 (D board) is

disconnected

• Power Supply fails.

• IC2003, IC1204 faulty.

• Discharge CRT (C1 Board)

• Static discharge

• External noise

Diagnostic

Item

Description

• Power does not

turn on

• +B overcurrent

(OCP) or

• +B overvoltage

(OVP)

• Vertical deflection

failure

• White balance

failure

(no PICTURE)

• Horizontal

deflection failure

• Audio Protection

• Micro reset

Self-diagnostic

display/Diagnostic

result

—

002:000 or

002:001~255

003:000 or

003:001~255

004:000 or

004:001~225

005:000 or

005:001~225

006:000 or

006:001~225

007:000 or

007:001~22500

101:00 or

101:001~225

No. of times

STANDBY/TIMER

lamp flashes

Does not light

2 times

3 times

4 times

5 times

6 times

7 times

– 5 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

2. DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT

Diagnostic Item Flash Count*

+B overcurrentovervoltage 2 times

+B overvoltage 3 times

V deflection stop 4 times

White balance failure 5 times

High voltage protecter 6 times

Audio protection 7 times

* One flash count is not used for self-diagnostic.

3. STOPPING THE STANDBY/TIMER FLASH

Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/TIMER lamp

from flashing.

Lamp ON 0.3 sec.

Lamp OFF 3 sec.

Lamp OFF 0.3 sec.

2 times

5 times

4 times

5 times

6 times

7 times

STANDBY/SLEEP lamp

•One flash count is not used for self-diagnostic.

–6 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

4. SELF-DIAGNOSTIC SCREEN DISPLAY

For errors with symptoms such as “power sometimes shuts off”or “screen sometimes goes out”that cannot be confirmed,

it is possible to bring up past occurances of failure for confirmation on the screen:

[To Bring Up Screen Test]

In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:

[Screendisplay] /channel [5] /Sound volume [-] /Power ON

Note that this differs from entering the service mode (mode volume [+]).

Self-Diagnosis screen display

002 : 000

003 : 000

004 : 000

005 : 001

006 : 002

Numeral "0" means that no fault has been detected.

Numeral "1" means a fault has been detected.

007 : 000

101 : 000

SELF DIAGNOSTIC

Numeral "2" means two faults have been detected.

5. HANDLING OF SELF-DIAGNOSTIC SCREEN DISPLAY

Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic

screen during repairs. When you have completed the repairs, clear the result display to “0”.

Unless the result display is cleared to “0”, the self-diagnostic function will not be able to detect subsequent faults after

completion of the repairs.

[Clearing the result display]

To clear the result display to “0”, press buttons on the remote commander sequentially as shown below when the diag-

nostic screen is being displayed.

Channel [8] /0

[Quitting Self-diagnostic screen]

To quit the entire self-diagnostic screen, turn off the power switch on the remote commander or the main unit.

–7 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

6. SELF-DIAGNOSTIC CIRCUIT

[+BovercurrentªOCPº] Occurs when an overcurrent on the +B(135) line is detected by Q5004(D board). If

Q6610(D board) go to ON, the voltage to pin 5 of IC001(A board) go to UP. The unit

will automatically turn off.

[+BovervoltageªOVPº] Occurs when an overdrive on the +B(135V) line is detected by D6635(D board), Q6611

and Q6619. If Q6611 go to ON, the voltage to pin 8 of IC001 go to UP. The unit will

automatically turn off.

[Verticalde lection ailure] Occurs when an absence of the vertical deflection pulse is detected by Q5010. Shut

down the power supply.

[Whitebalance ailure] If the RGB levels do not balance or become low level within 5 seconds. This error will

be detected by IC4300. TV will stay on, but there will be no picture.

[HighvoltageundervoltageprotectionªHVUVPº]

High-voltage undervoltage conditions may indicate defective transformer, rectifiers,

CRT or fault within the power supply circuit. When high-voltage drops for any reason,

so does the voltage at T8001.17 and buffer IC8004.7. The malfunction is detected by

comparator IC8006A that generates high logic signal labeled H PROT. This signal is

sent via D8014 to the H prot that opens contacts of the AC relay RY6501 and turns off

main power.

[AudioProtector] If the Audio out line became DC. This error will be detected by Q1211, Q1209, and

Q1210.The unit will automatically turn off.

IC4300

CXA2170Q

RGB JUNGLE

FROM

CRT(IK)

Q5018, D8035

(D Board)

IC001

SYSTEM

IC003

MEMORY

IO-SDAT

IK-IN

HPROT

SDA1

LED

SDA0

515

4652

Q5010

(D Board)

V PROT

OCP

V PROT

OVP

V PROT

H PROT 87

IC2602

( A Board)

Au PROT

100

IC1203,1240

(A Board)

– 8 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

SECTION 1

DISASSEMBLY

1-3. CHASSIS ASSY REMOVAL

1-1. REAR COVER REMOVAL

1-2. SPEAKER BOX REMOVAL

1Two screws

(+PWHTP 4X25)

2Arm (R) block assy

1Claws (Main bracket)

2Chassis assy

2Rear cover

1Four screws (KV-HS38M90)

(+BVTP 4X16)

1Two screws (KV-HS29/34M90)

(+BVTP 4X16)

1Four screws (KV-HS38M90)

(+BVTP 4X16)

1Two screws (KV-HS29/34M90)

(+BVTP 4X16)

1Four screws

(+BVTP 4X16)

1Four screws

(+BVTP 4X16)

1Four screws (KV-HS38M90)

(+BVTP 4X16)

1Four screws (KV-HS29/34M90)

(+BVTP 4X16)

–9 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

1-6. J BOARD REMOVAL

1-5. DC BOARD REMOVAL

2DC board

Claws

1Four screws

(+BVTP 3X12)

1-4. SERVICE POSITION

1Mounting side

2Chassis assy

1Screw

(+BVTP 3X12)

1Screw

(+BVTP 3X12)

3Four screws

(+BVTP 3X12)

5J Cover

6Claws

7J blacket

9Shield plate J

!J board

Shield

2Screw

(+PSW 3X6)

8Four screws

(+BVTP 3X12)

–10 –

KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91

RM-997

1-7. D BOARD REMOVAL

1-8. A, A1, V2 AND E BOARDS, AND B4 BLOCK REMOVAL

3Three screws

(+BVTP 3X12)

1Two screws

(+BVTP 3X12)

1Two screws

(+BVTP 3X12)

4F1 board

5A1 board

2A board

9E board

BM1C board

8B4 board

B4 block

6Four screws

(+BVTP 3X12)

7Shield cover

Claws

V2 board

1Four screws

(+BVTP 3X12)

2Three crews

(+BVTP 3X12)

3D board

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