Sony KV-34FS13A Service manual

HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE MANUAL

MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO.

KV-34FS13A

RM-Y180 E SCC-S56KA

BA-5

CHASSIS

ORIGINAL MANUAL ISSUE DATE: 7/2001

ALL REVISIONS AND UPDATES TO THE ORIGINAL MANUAL ARE APPENDED TO THE END OF THE PDF FILE.

REVISION DATE REVISION TYPE SUBJECT

7/2001 No revisions or updates are applicable at this time. 7/20/2001 Revised page 25. Updated Block diagram to show HZ power board

TRINITRON® COLOR TELEVISION

9-965-917-01

Self Diagnosis

Supported model

SERVICE MANUAL

MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO.

KV-34FS13A

RM-Y180 E SCC-S56KA

BA-5

CHASSIS

9-965-917-01

KV-34FS13A

RM-Y180

TRINITRON® COLOR TELEVISION

SPECIFICATIONS

KV-34FS13A

Power requirements 220V 50Hz

Number of Inputs/Outputs

S Video

Y, P

Audio Out

Speaker output (W) 10W x 2

Power Consumption (W)

In use (Max) 195W

In Standby 1W

Dimensions(W/H/D)

Mass

1)

Video

, P

B

Audio

2)

3)

R

4)

5)

3

1 1

3

1

mm 700 x 632 x 572 mm

5

/8 x 25 x 20 1/4 in

27

in

kg

lbs

1)

2)

C: 0.286 Vp-p (Burst signal), 75 ohms

3) Y: 1.0 Vp-p, 75 ohms, sync negative; PB: 0.7 Vp-p, 75 ohms; PR Vp-p,

75 ohms.

4)

5)

More than 408 mVrms (ﬁ x); Impedance (output): 2 kilohms

47 kg

103 lbs. 10 oz.

1 Vp-p 75 ohms unbalanced, sync negative

Y: 1 Vp-p 75 ohms unbalanced, sync negative

500 mVrms (100% modulation), Impedance: 47 kilohms

More than 408 mVrms at the maximum volume setting (variable)

KV-34FS13A

Channel coverage

VHF: 2-13/ UHF: 14-69/ CATV: 1-125

Picture tube

Flat Trinitron® tube

Visible screen size

32-inch picture measured diagonally

Actual screen size

34-inch measured diagonally

Antenna

75 ohm external terminal for VHF/UHF

Supplied Accessories

Remote Commander RM-Y180 Size AA (R6) batteries (2)

Optional Accessories

TV Stand SU-32FD3

Design and speciﬁ cations are subject to change without notice.

— 4 —

WARNINGS AND CAUTIONS

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.

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!!

KV-34FS13A

Components identiﬁ ed 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 identiﬁ ed in this manual. Follow these procedures whenever critical components are replaced or improper operation is suspected.

ATTENTION!!

Apres avoir deconnecte le cap de l’anode, court-circuiter l’anode du tube cathodique et celui de l’anode du cap au chassis metallique de l’appareil, ou la couche de carbone peinte sur le tube cathodique ou au blindage du tube cathodique.

Aﬁ n d’eviter tout risque d’electrocution provenant d’un chássis sous tension, un transformateur d’isolement doit etre utilisé lors de tout dépannage. Le chássis de ce récepteur est directement raccordé à l’alimentation du secteur.

! ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!

Les composants identiﬁ es par une trame et par une marque ! sur les schemas de principe, les vues explosees et les listes de pieces sont d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des composants Sony dont le numero de piece est indique dans le present manuel ou dans des supplements publies par Sony. Les reglages de circuit dont l’importance est critique pour la securite du fonctionnement sont identiﬁ es dans le present manuel. Suivre ces procedures lors de chaque remplacement de composants critiques, ou lorsqu’un mauvais fonctionnement suspecte.

— 5 —

SAFETY CHECK-OUT

KV-34FS13A

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 B+ and HV to see if they are speciﬁ ed values. Make sure your instruments are accurate; be suspicious of your HV meter if sets always have low HV.

8. 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 troublelight (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).

To Exposed Metal

Parts on Set

Trouble Light

Ohmmeter

0.15 F

1.5 K Ω

AC Outlet Box

AC

Voltmeter

(0.75 V)

Earth Ground

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

— 6 —

Cold-water Pipe

KV-34FS13A

SELF-DIAGNOSTIC FUNCTION

Self Diagnosis

Supported model

The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER LED will automatically begin to ﬂ ash. The number of times the LED ﬂ ashes translates to a probable source of the problem. A deﬁ nition of the STANDBY/TIMER LED ﬂ ash 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.

Diagnostic Test Indicators

When an error occurs, the STANDBY/TIMER LED will ﬂ ash a set number of times to indicate the possible cause of the problem. If there is more than one error, the LED will identify the ﬁ rst of the problem areas. Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a “0”.

Diagnostic Item

Description

Power does not turn on

+B overcurrent (OCP)*

I-Prot

IK (AKB)

No. of times

STANDBY/ TIMER

lamp ﬂ ashes

Does not light

2 times

4 times

5 times

Self-Diagnositc

Display/

Diagnostic Result

2:0 or 2:1

4:0 or 4:1

5:0 or 5:1

Probable Cause Location

• Power cord is not plugged in.

• Fuse is burned out (F601). (A Board)

• H.OUT (Q502) is shorted.(A Board)

• IC702 is shorted. (CA Board)

• +13V is not supplied. (A Board)

• IC502 is faulty. (A Board)

• Viedo OUT (IC502) is faulty. (A Board)

• IC301 is faulty. (MA Board)

• Screen (G2) is improperly adjusted.**

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.

• Has entered standby state after horizontal raster.

• Vertical deﬂ ection pulse is stopped.

• Power line is shorted or power supply is stopped.

• No raster is generated.

• CRT Cathode current detection reference pulse output is small.

*If a +B overcurrent is detected, stoppage of the vertical deﬂ ection is detected simultaneously. The symptom that is diagnosed ﬁ rst by the mircrocontroller is displayed on the screen. **Refer to Screen (G2) Adjustments in Section 2-4. of this manual.

Display of Standby/Timer LED Flash Count

2 times

4 times

5 times

LED ON 0.3 sec.

LED OFF 0.3 sec.

LED OFF

3 sec.

Standby/Timer LED

Diagnostic Item Flash Count*

+B Overcurrent 2 times I-Prot 4 times IK (AKB) 5 times *One ﬂ ash count is not used for self-diagnostic.

Stopping the Standby/Timer LED 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 ﬂ ashing.

— 7 —

KV-34FS13A

Self-Diagnostic Screen Display

For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be conﬁ rmed, it is possible to bring up past occurrences of failure on the screen for conﬁ rmation.

To Bring Up Screen Test

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

Display

Self-Diagnostic Screen Display

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 when the diagnostic screen is displayed, as shown below:

Channel

Quitting the Self-Diagnostic Screen

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

Channel

SELF DIAGNOSTIC 2: 000

3: N/A

4: 000

5: 001

101: N/A

8

ENTER

5

Sound Volume - Power ON

Note that this differs from entering the Service Mode (Sound Volume

Numeral “0” means that no fault was detected. Numeral “1” means a fault was detected one time only.

+

).

Self-Diagnostic Circuit

FROM

CA BOARD

IC702 PIN 5

MA BOARD

IC301

Y/CHROMA JUNGLE

36

IK IN

A BOARD

IC502

V. OUT

REF

3

MA BOARD

IC001

SYSTEM

IO-BDAT

5

I-Prot

42

MA BOARD

IC003

MEMORY

5

BDA

A BOARD

33

FROM

IC501

PIN 3

+B overcurrent (OCP)

Occurs when an overcurrent on the +B (135V) line is detected by pin 33 of IC301 (MA Board). If the voltage of pin 33 of IC301 (MA Board) is less than 1V when V.SYNC is more than seven verticals in a period, the unit will automatically turn off.

I-Prot

Occurs when an absence of the vertical deﬂ ection pulse is detected by pin 5 of IC001 (MA Board). Power supply will shut down when waveform interval exceeds 2 seconds.

IK (AKB)

If the RGB levels* do not balance within 2 seconds after the power is turned on, this error will be detected by IC301 (MA Board). TV will stay on, but there will be no picture.

*(Refers to the RGB levels of the AKB detection Ref pulse that detects 1K).

HP/PROTECT

SDA

61

43

IO-SDAT

O-LED

22

DISPLAY

— 8 —

1-1. REAR COVER REMOVAL

KV-34FS13A

SECTION 1: DISASSEMBLY

Rear Cover

13 Screws +BVTP 4x16

5 Screws +BVTP 3x12

1-2. CHASSIS ASSEMBLY REMOVAL 1-3. SERVICE POSITION

CA Board

VA Board

Claw

Chassis Assembly

— 9 —

A Board

D Board

MA Board

1-4. PICTURE TUBE REMOVAL

WARNING: BEFORE REMOVING THE ANODE CAP High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT before attempting to remove the anode cap. Short between anode and CRT coated earth ground strap.

1

10

KV-34FS13A

Coated

Earth

Ground

Strap

9

8

3

7

6

2

5

4

1. Discharge the anode of the CRT and remove the anode cap.

2. Unplug all interconnecting leads from the deﬂ ection yoke, neck assembly, degaussing coils and CRT grounding strap.

3. Remove the CA and VA Board from the CRT.

4. Remove the chassis assembly.

5. Loosen the neck assembly ﬁ xing screw and remove.

6. Loosen the deﬂ ection yoke ﬁ xing screw and remove.

7. Place the set with the CRT face down on a cushion and remove the degaussing coil holders.

8. Remove the degaussing coils.

9. Remove the CRT grounding strap and spring tension devices.

10. Unscrew the four CRT ﬁ xing screws [located on each CRT corner] and remove the CRT [Take care not to handle the CRT by the neck].

ANODE CAP REMOVAL PROCEDURE

WARNING: High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT before attempting to

remove the anode cap. Short between anode and coated earth ground strap of CRT. NOTE: After removing the anode cap, short circuit the anode of the picture tube and the anode cap to either the metal chassis, CRT shield, or carbon painted on the CRT.

c

b

a

Anode Button

Turn up one side of the rubber cap in the direction indicated by arrow

a

.

HOW TO HANDLE AN ANODE CAP

1. Do not use sharp objects which may cause damage to the surface of the anode cap.

2. To avoid damaging the anode cap, do not squeeze the rubber covering too hard. A material ﬁ tting called a shatter-hook terminal is built into the rubber.

3. Do not force turn the foot of the rubber cover. This may cause the shatter-hook terminal to protrude and damage the rubber.

Use your thumb to pull the rubber cap ﬁ rmly in the direction indicated by arrow

.

b

When one side of the rubber cap separates from the anode button, the anode cap can be removed by turning the rubber cap and pulling it in the direction of arrow

.

c

— 10 —

SECTION 2: SET-UP ADJUSTMENTS

KV-34FS13A

The following adjustments should be made when a complete realignment is required or a new picture tube is installed.

These adjustments should be performed with rated power supply voltage unless otherwise noted.

Set the controls as follows unless otherwise noted: VIDEO MODE: Standard PICTURE CONTROL: Normal BRIGHTNESS CONTROL: Normal

2-1. BEAM LANDING

Before beginning adjustment procedure:

1. Degauss the entire screen.

2. Feed in the white pattern signal.

ADJUSTMENT PROCEDURE

1. Input a raster signal with the pattern generator.

2. Loosen the deﬂ ection yoke mounting screw, and set the purity control to the center as shown below:

Purity Control

Perform the adjustments in order as follows:

1. Beam Landing

2. Convergence

3. Focus

4. Screen (G2)

5. White Balance

Note Test Equipment Required:

1. Color Bar Pattern Generator

2. Degausser

3. DC Power Supply

4. Digital Multimeter

6. Switch over the raster signal to red and blue and conﬁ rm the condition.

7. When the position of the deﬂ ection yoke is determined, tighten it with the deﬂ ection yoke mounting screw.

8. If landing at the corner is not right, adjust by using the disk magnets.

3. Turn the raster signal of the pattern generator to green.

4. Move the deﬂ ection yoke backward, and adjust with the purity control so that green is in the center and red and blue are even on both sides.

Blue Red

Green

5. Move the deﬂ ection yoke forward, and adjust so that the entire screen becomes green.

— 11 —

Purity control

corrects this area.

Disk magnets or rotatable disk magnets correct

these areas (a-d).

Deflection yoke positioning

b

d

b

a

cd

corrects these areas.

a

c

KV-34FS13A

2-2. CONVERGENGE

Before starting convergence adjustments:

1 Perform FOCUS, VLIN and VSIZE adjustments.

2. Set BRIGHTNESS control to minimum.

3. Feed in dot pattern.

VERTICAL STATIC CONVERGENCE

1. Adjust V. STAT magnet to converge red, green and blue dots in the center of the screen (Vertical movement adjustS V.STAT RV701 to converge).

Center dot

RV701

R

B

G

V.STAT

R G B

HORIZONTAL STATIC CONVERGENCE

If the blue dot does not converge with the red and green dots, peform the following:

1. Move BMC magnet (a) to correct insufﬁ cient H.Static convergence.

2. Rotate BMC magnet (b) to correct insufﬁ cient V.Static convergence.

3. After adjusting the BMC magnet, repeat Beam Landing Adjustment.

V.S TAT

BMC MAGNET

PURITY

V.STAT magnet

2. Tilt the V. STAT magnet and adjust static convergence to open or close the V. STAT magnet.

When the V. STAT magnet is moved in the direction of arrow a and b,

red, green, and blue dots move as shown below:

1

a

b

2

a

b

B G

R

b

B G

R

a

RGB

b

BGR

b

BMC magnet

a

3

b

a

R

G

b

B

G

R

B

— 12 —

KV-34FS13A

DYNAMIC CONVERGENCE ADJUSTMENT

Before performing this adjustment, perform Horizontal and Vertical Static Convergence Adjustment.

1. Slightly loosen deﬂ ection yoke screw.

2. Remove deﬂ ection yoke spacers.

3. Move the deﬂ ection yoke for best convergence as shown below:

G

B

R

G

B

BGR

B

G

R

B

G

R

B

G

R

B

G

BGR

B

G

R

G

B

R

G

R

GB

4. Adjust XCV core to balance X axis.

5. Adjust YCH VR to balance Y axis.

6. Adjust vertical red and blue convergence with V.TILT (TLV VR.)

Note: Perform adjustment 3-6 while tracking items 1 and 2.

SCREEN-CORNER CONVERGENCE

1. Afﬁ x a permalloy assembly corresponding to the misconverged areas:

b

a

ba

a-d: screen-corner

misconvergence

c

d

c

d

2-3. FOCUS

1. Adjust FOCUS control for best pictures.

4. Tighten the deﬂ ection yoke screw.

5. Install the deﬂ ection yoke spacers.

TLH PLATE ADJUSTMENT

1. Input crosshatch pattern.

2. Adjust PICTURE QUALITY to standard, PICTURE and BRIGHTNESS to 50%, and OTHER to standard.

3 Adjust the Horizontal Convergence of red and blue dots by tilting the

TLH plate on the deﬂ ection yoke.

RV701

V. S TAT

CA Board

VA Board

TLH Plate

XCV

(TLV)

YCH

TLV

Focus (FV)

Screen (G2)

2-4. SCREEN (G2)

1. Input a dot pattern.

2. Set the PICTURE and BRIGHTNESS controls at minimum and COLOR control at normal.

3. Adjust SBRT, GCUT, BCUT in service mode with an oscilloscope as shown below so that voltages on the red, green, and blue cathodes are 170 ± 2VDC.

B R R B (R)(B) (B)(R)

TLH+ TLH-

— 13 —

Ground

170 ± 2VDC

Pedestal

2-5. METHOD OF SETTING THE SERVICE ADJUSTMENT MODE

SERVICE MODE PROCEDURE

1. Standby mode (power off).

2. Press

Display

Channel 5 Sound Volume + Power

on the Remote Commander (press each button within a second).

SERVICE ADJUSTMENT MODE ON

1. The CRT displays the time being adjusted.

KV-34FS13A

2. Press

3. Press

4. Press

Display

hsiz 16

to save into the memory.

service

ntsc

vchp

then

Category

defl

00000000

ENTER

Mode

Signal Type

1

or 4 on the Remote Commander to select the time.

3

or 6 on the Remote Commander to change the data.

MUTING

Item

00000000

Display

Item

SERVICE ADJUSTMENT MODE MEMORY

Turn the set off then on to exit Service Adjustment Mode.

Signal Type

Category

Mode

service defl hsiz 16

ntsc

vchp 00000000 00000000

Display

Item

write

Item Data

MUTING

ENTER

Green

Red

2-6. WHITE BALANCE ADJUSTMENTS

1. Input an entire white signal with burst.

2. Set to Service Adjustment Mode.

3. Set the PICTURE and BRIGHTNESS to minimum.

4. Adjust with SBRT if necessary.

5. Select GCUT and BCUT with

6. Adjust with

3

and 6 for the best white balance.

7. Set the PICTURE and BRIGHTNESS to maximum.

8. Select GDRV and BDRV with

9. Adjust with

3

and 6 for the best white balance.

10. To write into memory, press

1

and 4 .

1

and 4.

MUTING

then

ENTER

.

— 14 —

SECTION 3: SAFETY RELATED ADJUSTMENTS

KV-34FS13A

3-1. X R564 CONFIRMATION METHOD (HV HOLD-DOWN CONFIRMATION) AND READJUSTMENTS

The following adjustments should always be performed when replacing the following components which are marked with diagram:

Part Replaced ( )

DY, T505, CRT, IC501 C507, C520, C505, C509, C515, T504,

Y

on the schematic

Adjustment ( )

HV HOLD-DOWN R564

T503, C551, L510, C546, C537, C547, D517, D518, D519, R560, R561, R562, R563, R565, R566,

R567, R525....................A Board

IC301........................MA Board

PREPARATION BEFORE CONFIRMATION

1. Using a Variac, apply AC input voltage: 120 ±2 VAC.

2. Turn the POWER switch ON.

3. Input a white signal and set the PICTURE and BRIGHTNESS controls to maximum.

4. Conﬁ rm that the voltage between C546 (+) or TP503 and ground is more than 23.0 VDC.

HOLD-DOWN OPERATION CONFIRMATION

1. Connect the current meter between Pin 11 of the FBT (T505) and the PWB land where Pin 11 would normally attach (See Figure 1 on the next page).

2. Input a dot signal and set PICTURE and BRIGHTNESS to minimum: IABL = 2175 +100 / -325µA.

3. Conﬁ rm the voltage of A Board TP-600 is 135 ± 1.5 VDC.

4. Connect the digital voltmeter and the DC power supply via Diode 1SS119 to C546 (+) and ground (See Figure 1 on next page).

5. Increase the DC power voltage gradually until the picture blanks out.

6. Turn DC power source off immediately.

7. Read the digital voltmeter indication (standard < 27.24 +0, -0.1 VDC).

8. Input a white signal and set PICTURE and BRIGHTNESS to maximum: IABL = 2175 +100 / -325µA.

9. Repeat steps 4 to 7.

HOLD-DOWN READJUSTMENT

If the setting indicated in Step 2 of Hold-Down Operation Conﬁ rmation cannot be met, readjustment should be performed by altering the resistance value of R564 component marked with

X

.

T505

FBT

amPmeter

3.0 mA DC range

ABL

+

-

A

IABL

3-2. B+ VOLTAGE CONFIRMATION AND ADJUSTMENT

Note: The following adjustments should always be performed when replacing the following components, which are marked with schematic diagram on the A Board:

A BOARD: IC601, PH601

1. Using a Variac, apply AC input voltage: 130 + 2.0 / - 0.0 VAC.

2. Input a monoscope pattern at Q.C.

3. Set the PICTURE and the BRIGHTNESS controls to minimum.

4. Conﬁ rm the voltage of A Board TP-600 is <136.5 VDC.

5. If step 4 is not satisﬁ ed, replace the components listed above, then repeat Steps 1 – 3.

Y

on the

— 15 —

KV-34FS13A

11119

+

18

1818

6

5

9

C

6

5

9

C

6

5

9

C

6

5

9

C

R601

R601R601

R615

R615R615

D616

D616D616

B

6

1

F

0

B

6

1

F

0

B

6

1

F

0

B

6

1

F

0

C624

C624C624

H.DRIVE

H.DRIVEH.DRIVE

CN511

C611

C611C611

C654

C654C654

CN506

CN506CN506

1111

CN515

CN515CN515

+B

+B+B

R515

R515R515

CN511

CN511CN511

4444

1111

5555

7777

R503

R503R503

R516

R516R516

C503

C503C503

C536

C536C536

D521

D521D521

C554

C554C554

R502

R502R502

R547

R547R547

9

99

10

1018

1010

R

6

5

R

6

5

9

R

6

5

R

6

5

9

T503

T503T503

L602

L602L602

C629

C629C629

T504

T504T504

H.PULSE

H.PULSEH.PULSE

FB503

FB503FB503

R507

R507R507

T502

T502T502

Q501

Q501Q501

C504

C504C504

4444

R518

R518R518

C530

C530C530 R529

R529

R529R529

5555

R531

R531R531

6666

R539

R539R539

C543

C543C543

V DY -

V DY -V DY -

V DY +

V DY +V DY +

H DY -

H DY -H DY H DY -

H DY -

H DY -H DY -

H DY +

H DY +H DY +

H DY +

H DY +H DY +

R545

R545R545

POWER SUPPLY

R438

R438R438

R563

R563R563 C546

C546

C546C546

R573

R573R573

C541

C541C541

D510

D510D510

6

7

R540

R540R540

C519

C519C519

R537

R537R537

TH501

TH501TH501

200V

200V200V

D511

D511D511

C552

C552C552

L507

L507L507

+

1SS119

C546

R225

R225 R403

R403

R403R403

H.PROT

H.PROTH.PROT

C542

C542C542

2

4

2

C518

C518C518

IC502

IC502IC502

1

R543

R543R543

6

R225R225

D235

D235D235

D234

D234D234

C213

C213C213

R218

R218R218

R407

R407R407

-13V

-13V-13V

HEATER

HEATERHEATER

C211

C211C211

Q205

Q205Q205

Q206

Q206Q206

D232

D232D232

C523

C523C523

R532

R532R532

1

CN502

CN502CN502

Q201

Q201Q201

D236

D236D236

R231

R231R232

R232

R231R231

R232R232

D233

D233D233

R511

R511R511

D518

D518D518

D517

R561

D517D517

R561R561

D514

D514D514

C532

C532C532

JR502

JR502JR502

T505 FBT

135V

135V135V

T505

T505T505

R226

R226R226 R227

R227

R227R227

D520

D520D520

R558

R558R558

R559

R559R559

R557

R557R557

Q505

Q505Q505

R554

R554R554

D516

D516D516

R555

R555R555

R535

R535R535

JUMPER-ID

JUMPER-IDJUMPER-ID

R801

R801R801

R803

R803R803

R804

R804R804

CN504

CN504CN504

DIGITAL MULTIMETER

+

-

X

R564

R449

R454

R454R454

JR503

JR503JR503

R445

R445R445

Q411

Q411Q411

D620

D620D620

R506

C510

C510C510

L509

L509L509

C513

C513C513

R505

R505R505

C555

C555C555

R504

R504R504

R553

R553R553

R506R506

L502

L502L502

L505

L505L505

C517

C517C517

E

C

0

2

Q

5

0

2

Q

5

0

2

Q

5

0

2

Q

5

O

H

-

O

H

-

U

T

U

T

O

H

-

O

H

-

U

T

U

T

C505

C505C505

C509

C509C509

C515

C515C515

L510

L510L510

D507

D507D507

C524

C524C524

D506

D506D506

C550

C550C550

C511

C511C511

L501

L501L501

B

R568

R568R568

R449R449

C448

C448C448

R450

R450R450

R567

R567R567

R565

R565R565

R525

R525R525

Q503

Q503Q503

R447

R447R447

R541

R541R541

R514

R514R514

FB502

FB502FB502

IC501

IC501IC501

R522

R522R522

8888

R527

1111

R527R527

B

E

B

E

C525

C525C525

5555

4444

3333

2222

1111

C

N

5

0

1

C

N

5

0

1

C

N

5

0

1

C

N

5

0

1

R546

R546R546

R533

R533R533

R534

C551

R534R534

C551C551

TP600

AMMETER 3mA dc range

A

+

-

Figure 1

— 16 —

j

SECTION 4: CIRCUIT ADJUSTMENTS

ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER

Use the Remote Commander (RM-Y180) to perform the circuit adjustments in this section.

Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator

KV-34FS13A

4-1. SETTING THE SERVICE ADJUSTMENT MODE

1. Standby mode (Power off).

2. Press the following buttons on the remote commander within a second of each other:

Display

Channel 5 Sound Volumne + Power

SERVICE ADJUSTMENT MODE ON

1. The CRT displays the item being adjusted.

2. Press

3. Press

4. Press

Category

Mode

service defl hsiz 16

Signal Type

1

or 4 on the Remote Commander to select the item.

3

or 6 on the Remote Commander to change the data.

MUTING

ntsc

vchp 00000000 00000000

then

ENTER

Display

to write into memory.

Item

Item Data

SERVICE ADJUSTMENT MODE MEMORY

Signal Type

1. Press

Category

Mode

service defl hsiz 16

ntsc

vchp 00000000 00000000

8

ENTER

Mode

then

Category

on the Remote Commander to initialize.

Display

Item

Display

Item

write

Item Data

MUTING

ENTER

Green

Red

4-2. MEMORY WRITE CONFIRMATION METHOD

1. After adjustment, pull out the plug from the AC outlet, then replace the plug in the AC outlet again.

2. Turn the power switch ON and set to Service Mode.

3. Call the adjusted items again to conﬁ rm they were adjusted.

4-3. REMOTE ADJUSTMENT BUTTONS AND INDICATORS

MUTING

(Enter into memory)

1

Disp. (Item up)

2

(Device Item Up)

4

Disp. (Item down)

8

(Initialize)

VOLUME (+)

(Service Mode)

POWER

(Service Mode)

DISPLAY

(Service Mode)

3

Item (Data up)

6

Item (Data down)

5

(Device item down)

ENTER

(Enter into memory)

0

(Remove from memory)

MUTING

ENTER

Carry out Step 1 when adjusting IDs 0-6 and when replacing and ad

usting IC301

Signal Type

service defl hsiz 16

ntsc

vchp 00000000 00000000

write

2. Turn set off then on to exit Service Adjustment Mode.

Green

Red

RM-Y180

— 17 —

ADJUSTMENT ITEMS (1 OF 4)

FIX

Reg # ITEM FUNCTION RANGE

1 HSIZ Horizontal Size Adjustment 0-63 18 12 7 14 2 HPOS Horizontal Position Adjustment 0-63 13 8 9 17 3 VBOW Vertical Line Bowing Adj. 0-15 9 10 8 6 4 VANG Vertical Line Bowing Slant Adj. 0-15 3 10 9 12 5 VTRP TRAPEZIUM 0-31 18 14 14 16 6 HTRP Horiz. Trapezoid 0-15 6 7 5 0 7 TROT Tilt Correction 0-63 31 31 31 31 8 PAMP Horizontal PIN distortion Adj. 0-63 27 19 21 20

9 UPIN Upper PIN Distortion Adj. 0-63 41 33 36 35 10 LPIN Lower PIN Distortion Adj. 0-63 39 34 40 34 11 VSIZ Vertical Size Adjustment 0-63 51 43 29 38 12 VPOS Vertical Position Adj. 0-63 42 30 32 29 13 VLIN Vertical linearity Adj. 0-15 5 6 10 5 14 SCOR Vertical "S" Correction Adjustment 0-15 8 8 10 7 15 VZOM 16:9 CRT Z Mode on/off 0-1 0 0 16 EHT Vertical High-Voltage Compensation 0-15 5 5 17 ASP Aspect Ratio control 0-63 47 47 18 SCRL 16:9 CRT Z Mode Trans. Scroll 0-63 31 31 19 HBLK Horizontal Blanking on/off 0-1 1 1 20 LBLK Left Blanking Adjustment 0-15 14 14 21 RBLK Right Blanking Adjustment 0-15 6 8 22 HDW Horizontal Drive Pulse Width 0-1 1 1 23 EWDC "Parabola" EW, D.C. Adjustment 0-1 0 0 24 LVLN Lower Screen BTM Vertical Line Adj. 0-15 0 0 25 UVLN Upper Screen BTM Vertical Line Adj. 0-15 0 0 26 INTL INTERLACE 0-3 0 0 27 G2SW 0-1 0 0 28 G2LV 0-7 0 0 29 HOSC Horizontal VCO Oscillation Freq. 0-15 12 7 30 VSS Vertical Sync Slice Level 0-1 0 0 31 HSS Horizontal Sync Slice Level 0-1 0 0 32 HMSK For Macro Vision 0-1 0 0 33 VTMS Select Signal VTIM Pin 0-3 0 0 34 CDMD Vertical Count Down Mode Switching 0-3 3 0 3 35 AFC AFC Loop Gain Switching 0-3 0 0 36 FIFR Field Frequency 0-2 1 3 37 VBLK VBLKW 0-3 0 0 38 REFP REFP 0-1 0 0 39 JPSW JUMPSW 0-1 MENU 0 40 RDRV R Output Drive control 0-63 41 38 41 GDRV G Output Drive control 0-63 25 28 42 BDRV B Output Drive control 0-63 25 26 43 RCUT R Output Cutoff control 0-15 31 31 44 GCUT G Output Cutoff control 0-15 15 13 45 BCUT B Output Cutoff control 0-15 12 14 46 SCON SUB CONT 0-15 8 10 47 SHUE Sub HUE adjustment 0-31 16 16 48 SCOL Sub COLOR adjustment 0-31 18 18 18 18 49 SBRT Sub BRIGHTNESS adjustment 0-31 16 17 50 CHUE SUB COLOR (RF) 0-31 7 6 51 CCOL SUB COLOR (RF) 0-31 7 7 7 4 52 UOFS YUV U OFFSET 0-15 7 7 53 VOFS YUV V OFFSET 0-15 7 7 54 RON R Output on/off 0-1 1 1 55 GON G Output on/off 0-1 1 1 56 BON B Output on/off 0-1 1 1 57 AXPL Axis PAL 0-1 0 0 58 AXNT Axis NTSC 0-1 1 1 59 CBPF Chroma BPF on/off 0-1 1 1 60 CTRP Y TRAP FILTER on/off 0-1 1 1 61 COFF Color On/off 0-1 0 0

DATA NTSC PALM PALN VIDEO RF

KV-34FS13A

AVERAGE

DATA

— 18 —

ADJUSTMENT ITEMS (2 OF 4)

A

KV-34FS13A

FIX

Reg # ITEM FUNCTION RANGE

62 KOFF Set Color Killer 0-1 0 0 63 SSHP Sub SHARPNESS 0-15 5 5 64 SHPF SHARPNESS Circuit Fo 0-3 Palette Mode Controls This Register 2 65 PREL Pre-Shoot/ Over-Shoot 0-1 1 0 66 Y-DC DC transmission Ratio Switching 0-3 Palette Mode Controls This Register 2 67 GAMM Gamma Correction 0-3 Palette Mode Controls This Register 2 68 ABLM ABL Mode Switch 0-1 1 1 69 VTH ABL CD VHT Switching 0-1 1 1 70 YDEL Y Delay Time Control 0-15 7 7 71 NCOL No Color ID 0-1 1 1 72 FSC FSC Out on/off 0-1 1 1 73 K-ID Killer ID Control on/off 0-1 0 0 74 GDOF 0-31 3 3 75 BDOF 0-31 16 16 76 GCOF 0-31 16 16 77 BCOF 0-31 7 7 78 SYSC Color System 0-7 4 4 79 VENH Vertical Enhancement 0-7 Palette Mode Controls This Register 3 80 PDSO PDS OFF 0-1 0 0 81 CK CK 0-1 0 0 82 VNL VNL 0-15 3 3 83 HPK HPK 0-1 0 0 84 HPKO HPK OFF 0-1 Palette Mode Controls This Register 0 85 CORE CORE 0-3 2 1 86 TRAP TRAP 0-1 1 1 87 CHTR CH TRAP 0-1 0 0 88 CBPF CBPF 0-1 1 1 89 ENHO ENHOFF 0-1 0 0 90 NMRD NMRD 0-3 0 0 91 YAPS YAPS 0-3 3 3 92 CLKS CLKS 0-3 0 0 93 NSTD NSTDS 0-3 0 0 94 MSS MSS 0-3 0 0 95 KILS KILS 0-3 1 1 96 ADIN ADIN 0-1 0 0 97 EXCS EXCSS 0-3 1 1 98 CPP CPP 0-3 2 2 99 HDP HDP 0-7 4 4

100 CDL CDL 0-7 4 4 101 DYCR DYCOR 0-15 2 2 102 DYGN DYGAIN 0-15 10 10 103 DCCR DCCOR 0-15 3 3 104 DCGN DCGAIN 0-15 6 6 105 YNRL YNRLIM 0-3 1 1 106 CNRL CNRLIM 0-3 1 1 107 WSC WSC 0-3 1 1 108 VTRH VTRH 0-3 1 1 109 VTRR VTRR 0-3 1 1 110 LDSR LDSR 0-3 2 2 111 VAPG VAPGAIN 0-7 3 3 112 VAPI VAPINV 0-31 6 6 113 TEST TEST 0-1 0 0 114 YPFT YPFT 0-3 3 3 115 YPFG YPFG 0-15 7 7 116 CC3N CC3N 0-1 0 0 117 SELD 0-1 1 1

DATA NTSC PALM PALN VIDEO RF

VERAGE

DATA

— 19 —

ADJUSTMENT ITEMS (3 OF 4)

KV-34FS13A

FIX

Reg # ITEM FUNCTION RANGE

118 D2GN D2GAIN 0-7 4 5 119 YHCR YHCOR 0-3 0 0 120 YPFC YPFCOR 0-1 0 0 121 SHT SHT 0-3 0 0 122 MVT MVT 0-1 0 0 123 OTT OTT 0-1 0 0 124 CL2D CL2D 0-1 1 1 125 CLKG CLKGGT 0-1 0 0 126 HPLL HPLLFS 0-1 1 1 127 BPLL BPLLFS 0-1 0 0 128 FSCF FSCFG 0-1 0 0 129 PLLS PLLS 0-1 1 1 130 KILR KILR 0-15 3 3 131 HSSL HSSL 0-15 12 12 132 VSSL VSSL 0-15 8 8 133 BGPS BGPS 0-15 4 4 134 BGPW BGPW 0-15 10 10 135 ADCK ADCLKS 0-3 3 3 136 NDSW NSDSW 0-1 1 1 137 PFRN FREE_RUN 0-1 0 0 138 PRVS RVS 0-1 0 0 139 PCON CONTRAST 0-127 97 45 140 PUCO U-DAC 0-127 5 16 141 PVCO V-DAC 0-127 5 24 142 PHUE 0-31 12 15 143 PKIL KILLER 1 0 0 144 PSEP EXT_SC_SEL 0-3 1 2 145 PHIM 0-1 0 0 146 PSUB 0-1 0 0 147 PBGS BG_START 0-63 14 14 148 PDL0 0-15 10 6 149 PDL1 0-15 13 13 150 PBRT Y_OFFSET 0-31 25 25 151 PVP1 0 0 152 PUP1 0 0 153 PVP2 0 0 154 PUP2 0 0 155 PVP3 0 0 156 PUP3 0 0 157 PACS SET_ACC 0-1 1 1 158 PSDL SYNC_DELAY 0-3 2 0 159 PDCO 0-3 2 0 160 PCGA C_GAIN 0-1 1 1 161 PAAF 0-1 0 0 162 PSU2 0-1 0 0 163 PCVF 0-1 0 0 164 PBIT BITSEL 0-1 0 0 165 PAFC AFCBITSEL 0-1 0 0

166 PACC ACC_LEVEL 0-63 21 22 167 PBUR BURST_CLK 0-1 0 0 168 PEVE EVENUPRA 0-1 0 0 169 PINW INV_WFF 0-1 0 0

DATA NTSC PALM PALN VIDEO RF

AVERAGE

DATA

— 20 —

ADJUSTMENT ITEMS (4 OF 4)

A

E

KV-34FS13A

VERAG

DATA

Reg # ITEM FUNCTION RANGE

FIX

DATA NTSC PALM PALN VIDEO RF

170 PINR INV_REF 0-1 0 0 171 PREF RFF_FIX 0-1 0 0 172 PARE AUTO_REF 0-1 1 1 173 PAVE AVERAGE 0-1 0 0 174 PFRA FREE_RUN_ADJ 0-15 0 0 175 PPAL SUB_PALM_JUDGE 0-255 0 0 176 PHPO 0-31 9 6 177 PVPO 0-31 22 22 178 PHTI HT 0-15 5 9 179 PHAJ ADJ 0-15 1 1 180 PBGY BGY 0-15 0 0 181 PCRO CROSS_SEL 0-1 0 0 182 PPAR PALRY 0-63 2 2 183 PHPF HPFOFF 0-1 0 0 184 PFSC FSC_OUTPUT 0-1 0 0 185 PVCH SET_VCHIP 0-1 0 0 186 PVON VCHIP_ONLY 0-1 1 1 187 PVLN LINE_NUM 0-31 17 17 188 PVSB STB_DLY 0-255 64 64 189 PVLV L_LEVEL 0-255 130 130 190 SBAL Sub Balance 0-15 5 5 191 SBAS Sub Bass 0-7 5 0 192 STRE Sub Trebble 0-7 1 3 193 BBEL BBE Low 0-15 0 0 194 BBEH BBE High 0-15 0 0 195 BBE BBE 0-1 0 0 196 AUX SRS, Simulated 0-3 0 0 197 DISP O.S.D Display position 0-130 20 34 198 HCLW Horizontal Count lower limit 0-255 16 16 16 199 HCHG Horizontal Count High limit 0-255 64 64 64 200 ID0 0-255 25 23 201 ID1 0-255 3 31 202 ID2 0-255 91 223 203 ID3 0-255 2 130 204 ID4 0-255 233 233 205 ID5 0-255 17 19 206 ID6 0-255 0 128

ID

Number

00010011

Data

Notes: No. 1-206 show the order that each adjustment mode may be selected while in Service Mode. Data Range shows the range of possible setting for each Adjustment Mode. Initial Data shows the standard settings for each Adjustment Mode.

Signal Type

Chip Version

Function

Mode

service id's id5 19

ntsc

M37280MK-00SP VERB.O

— 21 —

KV-34FS13A

4-4. MA BOARD ADJUSTMENTS

H. FREQUENCY (FREE RUN) CHECK

1. Input a TV mode (RF) with no signal.

2. Connect a frequency counter to base of Q501 (TP-500 H. DRIVE) on the A Board.

3. Check H. Frequency for 15735 ± 200 Hz for NTSC, 15650 ± 200 Hz for PAL N.

V. FREQUENCY (FREE RUN) CHECK

1. Select video 1 with no signal input.

2. Set the conditions for a standard setting.

3. Connect the frequency counter to TP-508 (V OUT) or CN501 pin

6

(V DY+) and ground on the A Board .

4. Check that V. Frequency shows 60 ± 4 Hz for NTSC, 50 ± 4 Hz for PA L N .

DRIVE (RDRV)

1. Input a color-bar signal and set the level to 75%.

2. Set in Standard mode.

3. Activate the Service Adjustment Mode.

3

4. Set both GON and BON items. Using following values. Leave RON set to “1”.

6

and

set each to the

DISPLAY POSITION ADJUSTMENT (DISP)

1. Input a color-bar signal.

2. Set to Service Adjustment Mode.

3. Select DISP with

4. Adjust values of DISP with

1

and 4 .

3

and 6 to adjust characters to the

center.

5. Write to memory by pressing

MUTING

then

ENTER

.

6. Check to see if the text is displayed on the screen.

Mode

service micro disp 48

Signal Type

ntsc

vchp

Category

Display

00000000 00000000

Item

Item Data

SUB BRIGHT ADJUSTMENT (SBRT)

1. Input a monoscope signal.

2. Activate the Service Adjustment Mode.

3. Set the PICTURE and BRIGHTNESS to minimum.

4. Select the SBRT item with

5. Adjust the values of SBRT with crosshatch.

6. Press

MUTING

then

1

and 4 .

ENTER

3

and 6 to obtain a faintly visible

to save into the memory.

Mode

service video rdrv

Signal Type

ntsc

vchp

Category

Display

00000000 00000000

Item

26

Item Data

R ON: ON (1)

G ON: OFF (0)

B ON: OFF (0)

5. Connect an oscilloscope probe to CA Board, J701 Pin 12 (KR) (Red Out) .

6. Select RDRV with

7. Adjust the value of RDRV with

1

and 4 .

3

and 6 for

92.5 ± 3 VDC.

92.5 ± 3VDC

8. Reset GON and BON values to “1”.

R ON: ON (1)

G ON: ON (1)

B ON: ON (1)

9. Press

MUTING

then

ENTER

to save into the memory.

SUB HUE, SUB COLOR ADJUSTMENT (SHUE, SCOL)

1. Input a PAL M and PAL N color-bar signal.

2. Activate the Service Adjustment Mode.

3. Connect an oscilloscope probe to CA Board, CN705 Pin 1

4. Select the SHUE and SCOL item with

and 4 .

5. While showing the SHUE item, adjust the waveform with

4

1

and 4 until the second and third bars show the same level (V2 = V3 < 0.1 Vp-p).

6. While showing the SCOL item, adjust the waveform with

3

and 6

until the ﬁ rst and fourth bars show the same level (V1 = V4 < 0.1 Vp-p).

7. Press

MUTING

then

V2 V3

V1

ENTER

V4

to save into the memory.

V. SIZE ADJUSTMENT (VSIZ)

1. Input a crosshatch signal.

2. Activate the Service Adjustment Mode.

3. Select the VSIZ item with

4. Adjust value of VPOS with

5. Press

MUTING

then

1

and 4 .

1

and 4 for the best vertical center.

ENTER

to save into the memory.

Blue Out.

— 22 —

KV-34FS13A

V. CENTER ADJUSTMENT (VPOS)

Perform this adjustment after performing H. Frequency (Free Run) Check.

1. Input a crosshatch signal.

2. Activate the Service Adjustment Mode.

3. Select the VPOS item with

4. Adjust value of VPOS with

5. Press

MUTING

then

1

and 4 .

3

and 6 for the best vertical center.

ENTER

to save into the memory.

H. CENTER ADJUSTMENT (HPOS)

Perform this adjustment after performing H. Frequency (Free Run) Check.

1. Input a crosshatch signal.

2. Activate the Service Adjustment Mode.

3. Select the HPOS item with

4. Adjust the value of HPOS with

5. Press

MUTING

then

1

and 4 .

ENTER

3

and 6 for the best horizontal center.

to save into the memory.

H. SIZE ADJUSTMENT (HSIZ)

V LINEARITY (VLIN)

V CORRECTION (SCOR)

PIN AMP (PAMP)

HORIZONTAL TRAPEZOID (HTRP)

V. ANGLE (VANG), V. BOW (VBOW), UPPER PIN (UPIN) AND LOW PIN (LPIN) ADJUSTMENTS

1. Input a crosshatch signal.

2. Activate the Service Adjustment Mode.

3. Select VANG, VBOW, UPIN, and LPIN with 1 and 4.

4. Adjust with

5. Press

3

and 6 for the best picture.

ENTER

MUTING

then

to save into the memory.

1. Input a monoscope signal.

2. Activate the Service Adjustment Mode.

3. Select HSIZ with

4. Adjust with

5. Press

MUTING

1

and 4 .

3

and 6 for the best horizontal size.

ENTER

then

to save into the memory.

V. LINEARITY (VLIN), V. CORRECTION (SCOR), PIN AMP (PAMP), AND HORIZONTAL

TRAPEZOID (HTRP) ADJUSTMENTS

1. Input a crosshatch signal.

2. Activate the Service Adjustment Mode.

3. Select VLIN, SCOR, PAMP, and HTRP with with 1 and 4.

4. Adjust with

5. Press

3

and 6 for the best horizontal size.

MUTING

then

ENTER

to save into the memory.

V ANGLE (VANG)

V BOW (VBOW)

UPPER PIN (UPIN)

LOW PIN (LPIN)

SERVICE ADJUSTMENT MODE MEMORY

ENTER

0

Item

then

Item Data

7

.

Green

0

Red

ENTER

1. After completing all adjustments, press

Read From Memory

Signal Type

Mode

Category

service defl vbow

ntsc

vchp

Display

00000000 00000000

— 23 —

SECTION 5: DIAGRAMS

KV-34FS13A

5-1. CIRCUIT BOARDS LOCATION

MA Board

K Board

HX Board

CA Board

VA Board

HZ Board

D Board

A Board

The components identiﬁ ed by X in this basic schematic diagram have been carefully factory-selected for each set in order to satisfy regulations regarding X-ray radiation. Should replacement be necessary, replace only with the value originally used.

When replacing components identiﬁ ed by

Y

, make the necessary adjustments as indicated. If the results do not meet the speciﬁ ed value, change the component identiﬁ ed by

X

and repeat the adjustment until the speciﬁ ed value is achieved. (Refer to Safety Related Adjustments on Page 15.)

When replacing the parts listed in the table below, it is important to perform the related adjustments.

Part Replaced ( )

DY, T505, CRT, IC501 C507, C520, C505, C509, C515, T504,

Adjustment ( )

HV HOLD-DOWN R564

T503, C551, L510, C546, C537, C547, D517, D518, D519, R560, R561, R562, R563, R565, R566,

R567, R525....................A Board

IC301........................MA Board

5-2. PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM INFORMATION

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 speciﬁ ed.

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

/

W in resistance, 1/

4

W and 1/

10

W in chip resistance.

8

: nonﬂ ammable resistor.

: fusible resistor.

: internal component.

: panel designation and adjustment for repair.

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.

All voltages are in V.

S : Measurement impossibillity.

: B+line.

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

: signal path. (RF)

Circled numbers are waveform references.

1

/

W

4

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

The components identiﬁ ed by shading and ! symbol are critical for safety. Replace only with part number speciﬁ ed.

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.

Les composants identiﬁ es per un trame et une marque securite. Ne les remplacer que par une piece portant le numero speciﬁ e.

Le symbole indique une fusible a action rapide. Doit etre remplace par une fusible de meme yaleur, comme maque.

!

sont critiques pour la

— 24 —

5-3. BLOCK DIAGRAM AND SCHEMATICS

BLOCK DIAGRAM (1 OF 3)

L

)

P

Y

P

U

S

R

E

W

O

P

( (

D

E

F

L

E

C

T

I

O

N

)

T

U

(

N

E

R

/

I

F

)

(

A

U

O

D

)

I

M

T

S

)

(

1

0

1

U

T

C

O

K

L

C

KV-34FS13A

A

FRONT A/V

INPUT

J202

J

2

0

1

-

S

V

I

D

E

O

Y

S

1

3

V

L

4

2

C

R

AUDIO

VIDEO

L

R

REAR A/V

INPUT

J203

OUTPUT

AUDIO

L

R

AUDIO

VIDEO

L

REAR VAR/FIX

RJ402

YCBCR AUDIO

INPUT

J205

AUDIO

L

R

Y,PR,PB

INPUT

J206

1 0 3 N

AUDIO

PB

PR

C

V U Y

R

B

-

C

O

Y

T

Y

3

1

2

B

5 1 5 N C

R

L

-

L

R

X

D

V

N

D

V

C

P

5

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9

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3

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1

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1

2

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6

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+

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X

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V

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1

2

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C

0 6 4 N C

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L

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L

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A

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N

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3

0

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Y

C

K

P

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K

P

S

K

P

S

K

P

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C

N

4 4

T

-

D

E

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W

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(

R

M

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K

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T

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I

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2

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V

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C

5

0

N

D

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D

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D

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D

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D

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5

9

V

1

D 1

1

+

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P

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+

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+

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0

6

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1

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(

+

)

V

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(

-

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H

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(

-

)

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D

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(

+

— 25 —

K

BLOCK DIAGRAM (2 OF 3)

V

5

3

1

C

N

D

N

G

D

N

B

D

G

V

9

P

H

+

D

V

N

0

8

C

0

2

8

0

N

C

F

D

B

1

+

2

3

4

5

V

9

6

7

R

E

F

U

B

1

0

8

Q

1

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S

4

0

,

8

3

0

8

Q

KV-34FS13A

)

E

N

C

E

G

R

E

V

N

O

C

(

P

H

1

2

8

Q

R

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F

U

W

S

1

0

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Q

R

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B

0

2

8

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B

9

0

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D

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1

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3

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2

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C

I

D

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V

6

0

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,

5

8

0

Q

C

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D

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Q

1

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Q

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N

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C

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Q

1

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9

2

D

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3

D

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M

V

4

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0

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N

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M

N

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I

F

/

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A

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U

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B

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5

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4

N

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2

N

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1

A

3

N

)

N

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I

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A

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L

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8

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C

4

0

4

C

I

0

9

Q

3

0

9

Q

4

Q

R

A

E

N

I

L

B

E

N

I

L

C

S

A

D

S

P

Q

E

U

5

6

4

T

U

O

H

7

0

8

Q

M

V

T

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V

R

I

D

1

0

9

Q

2

0

9

Q

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U

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M

1

3

4

,

0

3

R

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F

U

B

3

4

,

2

4

3

Q

C

0

N

2

9

-

P

Q

1

-

P

Q

2

+

P

Q

3

+

P

Q

4

E

5

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6

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8

1

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2

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3

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N

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P

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8

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7

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P

Q

6

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Q

5

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4

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3

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V

M

V

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P

Q

M

V

P

Q

M

V

— 26 —

D

B

-

7

1

9

5

-

A

B

BLOCK DIAGRAM (3 OF 3)

T

A

C

N

3

L

F

G

H

0

N

C

0

I

J

R

O

F

C

0

N

C

N

0

C

N

0

C

N

0

I

N

0

J

C

D

9

2

G

0

3

4

0

5

0

6

0

1

D

N

G

K

L

C

K

L

C

B

-

T

A

D

-

B

T

N

I

-

B

D

N

G

W

S

P

S

M

V

5

.

7

Y

T

B

S

D

N

G

T

R

O

P

-

I

C

G

D

Y

A

L

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R

P

H

T

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M

D

N

G

N

O

M

-

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A

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A

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N

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V

9

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5

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KV-34FS13A

3

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9

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— 27 —

A BOARD SCHEMATIC DIAGRAM

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

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— 28 —

A BOARD IC VOLTAGE LIST

V

IC402 13 5.2 8 14.0 3 53.2 IC604 TU101 14 N/C

10 4.1 5 9.5 PIN 11 4.1 6 10.1 1 -31.8 G GND 11 GND 26 4.5 12 4.1 7 0.1 2 -32.7 4 13.3 12 N/C 27 4.5

OLT 14 6.8 IC502 4 -23.8 PINVOLT PINVOLT 15 N/C

1 6.8 15 14.1 PIN

OLT 5 -32.7 1 13.3 1 8.6 16 4.5 2 GND 16 GND 1 2.1 IC602 2 5.0 2 30.7 17 4.7 3 14.1 17 6.8 2 13.0 PIN

OLT 3 GND 3 5.1 18 4.4 4 6.8 IC501 3 -12.6 1 135.9 IC2001 4 4.9 19 5.0 5 4.3 PIN

OLT 4 -13.0 2 123.4 PINVOLT 5 4.9 20 5.0

6 N/C 1 0.2 5 0.2 3 GND 1 5.0 6 GND 21 0.3 7 4.1 2 3.7 6 14.3 IC603 2 5.0 7 5.5 22 0.0 8 4.1 3 2.5 7 2.1 PIN 9 6.8 4 GND IC601 I 13.3

OLT 3 GND 8 N/C 23 N/C

All voltages are in V.

9 8.9 24 0.0

OLT 0 8.9 10 4.1 25 N/C

13 N/C

All voltages are in V.

KV-34FS13A

A BOARD WAVEFORMS

1

3.4 Vp-p (H)

5

27.9 Vp-p (V) 54.3 Vp-p (V)

9

201.2 Vp-p (H)

32

190.5 Vp-p (H) 25.9 Vp-p (H) 1.08 KVp-p (H)

6 8

7

29.0 Vp-p (V)

4

2.4 Vp-p (V)

— 29 —

A

[POWER SUPPLY, DEFLECTION, TUNER/IF, AUDIO, MTS]

KV-34FS13A

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B

DIODE

D611 C-6 D201 C-11 D612 D-2 D202 D203 D204 B-10 D205 A-11 D206 A-11

C-11 D613 C-6 C-11 D614 C-6

D615 F-5

D616 F-6

D617 H-2 D208 A-11 D618 H-2 D209 C-11 D210 B-11 D211 C-11 D212 B-1 D213 B-1 D214 D-11 D215 C-11 D230 D-11 D231 D-11 D232 E-11 D233 E-11 D401 D-8 D501 H-8 D2004 D502 G-9 D503 G-9

D619 D-2

D620 D-7

D622 F-3

D623 G-2

D624 G-5

D625 H-2

D626 G-1

D627 H-2

D628 G-2

D2001 E-2 D2002 F-1 D2003 B-1

A-2

D2005 A-2

IC

D504 H-8 IC402 B-9 D505 G-7 D506 F-8 D507 E-8 D508 D-9 D509 H-5 D510 E-10

IC501 D-9 IC502 F-10 IC601 B-5 IC602 C-7 IC603 D-7

IC604 C-8 D511 G-10 IC2001 E-1 D512 E-9

TRANSISTOR

D513 F-10 Q101 A-9 D514 F-11 Q410 B-7 D515 E-9 Q411 D-8 D516 G-11 Q501 H-7 D517 F-11 Q502 H-7 D518 F-11 Q503 D-9 D519 D-10 Q504 E-9 D520 F-12 Q505 G-12 D521 I-5 Q506 A-6 D522 E-9 Q507 A-6 D601 D-2 D602 E-2 D603 B-3

Q601 B-3 Q602 A-3

Q603 C-6 D604 B-3 Q604 A-5 D605 D-4 D606 C-3 D607 B-4 D608 B-3 D609 C-4

Q605 G-3

Q606 H-3

Q607 D-2

Q608 D-2

Q609 A-4 D610 B-4

9

A BOARD LOCATOR LIST

5

-

4

— 30 —

Sony KV-34FS13A Service manual

TABLE OF CONTENTS

SPECIFICATIONS

WARNINGS AND CAUTIONS

5-1. CIRCUIT BOARDS LOCATION

5-3. BLOCK DIAGRAM AND SCHEMATICS

BLOCK DIAGRAM (1 OF 3)

BLOCK DIAGRAM (2 OF 3)

BLOCK DIAGRAM (3 OF 3)