Sony KV-21FE13, KV-21FM13 Service manual

Self Diagnosis

Supported model

SERVICE MANUAL

MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO.

KV-21FE13
KV-21FE13C

RM-Y173 E SCC-S56FA

KV-21FM13
KV-21FM13C

RM-Y173 E SCC-S56EA

RM-Y172 E SCC-S56GA

RM-Y172 E SCC-S56HA

BA-5

CHASSIS

9-965-910-01

KV-21FE13

RM-Y173

TRINITRON® COLOR TELEVISION

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

TABLE OF CONTENTS

SECTION TITLE PAG E

Specifi cations.......................................................................................................................................3

Warnings and Cautions........................................................................................................................4

Safety Check-out .................................................................................................................................5

Self-Diagnostic Function......................................................................................................................6

1. Disassembly

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

1-2. Chassis Assembly Removal..........................................................................................................8

1-3. Service Position ............................................................................................................................8

1-4. Picture Tube Removal...................................................................................................................9

Anode Cap Removal Procedure...................................................................................................9

2. Set-up Adjustments

2-1. Beam Landing...............................................................................................................................10

2-2. Convergence................................................................................................................................. 11

2-3. Focus ............................................................................................................................................12

2-4. Screen (G2) .................................................................................................................................. 12

2-5. Method of Setting the Service Adjustment Mode..........................................................................13

2-6. White Balance Adjustments .......................................................................................................... 13

3. Safety Related Adjustments

3-1.

3-2. B+ Voltage Confi rmation and Adjustment .....................................................................................14

4. Circuit Adjustments

4-1. Setting the Service Adjustment Mode...........................................................................................16

4-2. Memory Write Confi rmation Method .............................................................................................16

4-3. Remote Adjustment Buttons and Indicators .................................................................................16

Adjustment Items..........................................................................................................................17

4-4. MB Board Adjustments.................................................................................................................19

5. Diagrams

5-1. Circuit Boards Location.................................................................................................................21

5-2. Printed Wiring Boards and Schematic Diagram Information.........................................................21

5-3. Block Diagrams and Schematics..................................................................................................22

A Board ........................................................................................................................................24

CB Board...................................................................................................................................... 28

MB Board .....................................................................................................................................30

VB Board ......................................................................................................................................34

5-4. Semiconductors............................................................................................................................36

6. Exploded Views

6-1. Chassis.........................................................................................................................................37

6-1. Picture Tube Removal...................................................................................................................38

7. Electrical Parts List ...................................................................................................................................... 39

X

R562 Confi rmation Method (HV Hold Down Confi rmation) and Readjustments..................... 14

— 2 —

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

SPECIFICATIONS

KV-21FE13 KV-21FE13C KV-21FM13 KV-21FM13C

Power requirements 120V, 60Hz 220V, 50Hz 120V, 60Hz 220V, 50Hz

Number of Inputs/Outputs

1)

Video

Audio

2)

3)

S Video

Audio Out - -

Headphone Out 11

Speaker output (W) 5W x 2 3W x 2

Power Consumption (W)

In use (Max) 115 W 105 W

In Standby 1 W 1W

Dimensions(W/H/D)

mm 512 x 475 x 493

in 20

Mass

kg

lbs

22

11

22

1

/4 x 18 3/4 x 19 1/

2

24.5 kg

53 lbs

Television system

NTSC

Channel coverage

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

Picture tube

Flat Trinitron® tube

Visible screen size

21-inch picture measured diagonally

Actual screen size

23-inch measured diagonally

Antenna

75 ohm external terminal for VHF/UHF

Supplied Accessories

Remote Commander RM-Y172 (KV-21FE13/21FE13C ONLY)
Remote Commander RM-Y173 (KV-21FM13/21FM13C ONLY)
Size AA (R6) batteries (2)
Dipole Antenna

1)

1 Vp-p 75 ohms unbalanced, sync negative

2)

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

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

3)

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

Optional Assessories

Connecting cables: VMC-810S/820S, VMC-720M,
YC-15V/30V, RK74A
U/V mixer EAC-66

Design and specifi cations are subject to change without notice.

— 3 —

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

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!!

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.

— 4 —

SAFETY CHECK-OUT

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

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.

— 5 —

Cold-water Pipe

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

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. (CB Board)

• +13V is not supplied. (A Board)

• IC502 is faulty. (A Board)

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

• IC1301 is faulty. (MB 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.

— 6 —

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

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

CB BOARD

IC702 PIN 5

MB BOARD

IC1301

Y/CHROMA JUNGLE

21

IK IN

A BOARD

IC502

V. OUT

REF

3

MB BOARD

IC1001

SYSTEM

IO-BDAT

17

I-Prot

36

MB BOARD

IC1003

MEMORY

5

BDA

A BOARD

18

FROM

IC501

PIN 3

+B overcurrent (OCP)

Occurs when an overcurrent on the +B (135V) line is detected by pin 18 of IC1301 (MB Board). If the voltage of pin 18 of IC1301 (MB 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 17 of IC1001 (MB 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 IC1301 (MB 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

35

37

IO-SDAT

O-LED

18

DISPLAY

— 7 —

1-1. REAR COVER REMOVAL

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

SECTION 1: DISASSEMBLY

Rear Cover

2 Screws +BVTP 4x16

1-2. CHASSIS ASSEMBLY REMOVAL

2 Screws +BVTP 4x16

1 Screw +BVTP 3x10

1-3. SERVICE POSITION

CB Board

Claw

Chassis Assembly

— 8 —

VB Board

A Board

MB 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-21FE13 / 21FE13C / 21FM13 / 21FM13C

Coated
Earth
Ground
Strap

9

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

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

8

3. Remove the CB and VB Boards from the CRT.

3

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

6

7

2

5

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].

4

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
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

1

inthe direction indicated by arrow

a

.

HOW TO HANDLE AN ANODE CAP

Use your thumb to pull the rubber

2

cap fi rmly in the direction indicated
by arrow

.

b

When one side of the rubber cap separates from

3

the anode button, the anode cap can be removed
by turning the rubber cap and pulling it in the
direction of arrow

.

c

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.

— 9 —

SECTION 2: SET-UP ADJUSTMENTS

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

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.

— 10 —

corrects this area

Disk magnets

or rotatable disk

magnets correct

these areas (a-d)

Deflection yoke positioning

corrects these areas

b

d

Purity control

a

cd

b

a

c

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

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 adjust V.STAT RV701 to
converge).

R G B

Center dot

RV701

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

a

b

B
G

R

b

b

B
G

R

a

RGB

b

BGR

b

BMC magnet

a

3

b

a

a

R

G

b

b

B

G

B

R

— 11 —

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

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

R

G

B

BGR

B

G

R

R

R

B

G

R

B

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

cd

d

c

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

TLH Plate

V. S TAT

CB Board

VB
Board

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 ± 2.0 VDC.

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

TLH+
TLH-

XCV

— 12 —

170 ± 2.0 VDC

GND

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-21FE13 / 21FE13C / 21FM13 / 21FM13C

2. Press

3. Press

4. Press

defl

00000000

Display

hsiz 16

Category

Mode

service

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

then

ntsc

vchp

ENTER

to save into the memory.

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

.

— 13 —

SECTION 3: SAFETY RELATED ADJUSTMENTS

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

3-1. X R562 CONFIRMATION METHOD
(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
R562

L508, C551, L510, C546, C537,
C547, D517, D518, D519, R560,
R561, R562, R563, R565, R566,

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

IC1301........................MB 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 97 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 = 100 ± 100µA.

3. Confi rm the voltage of A Board TP-600 is 135.6 ± 1 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 117.0 VDC).

8. Input a white signal and set PICTURE and BRIGHTNESS to
maximum: IABL = 1350 ± 100µA.

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 R562 component marked with

X

.

T505

FBT

ammeter

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 dot signal.

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

4. Confi rm the voltage of A Board TP-600 is <136.6 VDC.

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

Y

on the

— 14 —

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

11119

+

+

+

+

18

1818

6

5

9

C

6

5

9

C

6

5

9

C

6

5

9

C

R601

R601

R601R601

R615

R615

R615R615

D616

D616

D616D616

B

6

1

F

0

B

6

1

F

0

B

6

1

F

0

B

6

1

F

0

C624

C624

C624C624

H.DRIVE

H.DRIVE

H.DRIVEH.DRIVE

CN511

CN511

C611

C611

CN511CN511

C611C611

C654

C654

C654C654

CN506

CN506

CN506CN506

1111

1111

CN515

CN515

CN515CN515

+B

+B

+B+B

R515

R515

R515R515

C536

C536

C536C536

D521

D521

D521D521

C554

C554

C554C554

4444

1111

5555

7777

R503

R503

R503R503

R516

R516

R516R516

C503

C503

C503C503

R502

R502

R502R502

R547

R547

R547R547

9

99

10

1018

1010

R

6

5

R

6

5

9

9

R

6

5

R

6

5

9

9

T503

T503

T503T503

L602

L602

L602L602

C629

C629

C629C629

H.PULSE

H.PULSE

H.PULSEH.PULSE

FB503

FB503

FB503FB503

R507

R507

R507R507

T502

T502

T502T502

Q501

Q501

Q501Q501

C504

C504

C504C504

4444

R518

R518

R518R518

C530

C530

C530C530
R529

R529

R529R529

5555

R531

R531

R531R531

6666

V DY -

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 +

H DY +H DY +

R539

R539

R539R539

C543

C543

C543C543

V DY -

H DY +

R545

R545

R545R545

POWER
SUPPLY

R438

R438

R438R438

R563

R563

R563R563
C546

C546

C546C546
R573

R573

R573R573

C541

C541

C541C541

D510

D510

D510D510

6

6

6

6

6

6

6

6

7

7

7

7

R540

R540

R540R540

C519

C519

C519C519

R537

R537

R537R537

TH501

TH501

TH501TH501

200V

200V

200V200V

D511

D511

D511D511

C552

C552

C552C552

L507

L507

L507L507

+

­1SS119

C546

R225

R225
R403

R403

R403R403

H.PROT

H.PROT

H.PROTH.PROT

C542

C542

C542C542

2

2

2

2

4

4

4

4

2

2

2

2

C518

C518

C518C518

IC502

IC502

IC502IC502

1

1

1

1

R543

R543

R543R543

6

6

6

6

R225R225

D235

D235

D235D235

D234

D234

D234D234

C213

C213

C213C213

R218

R218

R218R218

R407

R407

R407R407

-13V

-13V

-13V-13V

HEATER

HEATER

HEATERHEATER

C211

C211

C211C211

Q205

Q205

Q205Q205

Q206

Q206

Q206Q206

D232

D232

D232D232

C523

C523

C523C523

R532

R532

R532R532

1

1

1

1

CN502

CN502

CN502CN502

Q201

Q201

Q201Q201

D236

D236

D236D236

R231

R231R232

R232

R231R231

R232R232

D233

D233

D233D233

R511

R511

R511R511

D518

D518

D518D518

D517

D517

R561

R561

D517D517

R561R561

D514

D514

D514D514

C532

C532

C532C532

JR502

JR502

JR502JR502

T505 FBT

135V

135V

135V135V

T505

T505

T505T505

R226

R226

R226R226
R227

R227

R227R227

D520

D520

D520D520

R558

R558

R558R558

R559

R559

R559R559

R557

R557

R557R557

Q505

Q505

Q505Q505

R554

R554

R554R554

D516

D516

D516D516

R555

R555

R555R555

R535

R535

R535R535

JUMPER-ID

JUMPER-ID

JUMPER-IDJUMPER-ID

R801

R801

R801R801

R803

R803

R803R803

R804

R804

R804R804

CN504

CN504

CN504CN504

DIGITAL
MULTIMETER

+

-

X

R562

R449

R449

R454

R454

R454R454

JR503

JR503

JR503JR503

R445

R445

R445R445

Q411

Q411

Q411Q411

D620

D620

D620D620

R506

R506

C510

C510

C510C510

T504

T504

T504T504

L509

L509

L509L509

C513

C513

C513C513

R505

R505

R505R505

C555

C555

C555C555

R504

R504

R504R504

R553

R553

R553R553

R506R506

L502

L502

L502L502

L505

L505

L505L505

C517

C517

C517C517

E

E

E

E

C

C

C

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

C505

C505C505

C509

C509

C509C509

C515

C515

C515C515

L510

L510

L510L510

D507

D507

D507D507

C524

C524

C524C524

D506

D506

D506D506

C550

C550

C550C550

C511

C511

C511C511

L501

L501

L501L501

B

B

B

B

B

B

B

B

R568

R568

R568R568

R449R449

C448

C448

C448C448

R450

R450

R450R450

R567

R567

R567R567

R565

R565

R565R565

R525

R525

R525R525

Q503

Q503

Q503Q503

R447

R447

R447R447

R541

R541

R541R541

R514

R514

R514R514

FB502

FB502

FB502FB502

IC501

IC501

IC501IC501

R522

R522

R522R522

8888

R527

R527

1111

R527R527

B

B

B

E

B

E

E

E

E

E

E

E

C525

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

R546

R546R546

R533

R533

R533R533

R534

R534

C551

C551

R534R534

C551C551

TP600

AMMETER
3mA dc range

A

+

-

Figure 1

— 15 —

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

j

SECTION 4: CIRCUIT ADJUSTMENTS

ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER

Use the Remote Commander (RM-Y172, RM-Y173) to perform the circuit adjustments in this section.

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

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.

Signal
Type

2. Press

3. Press

4. Press

Mode

1

or 4 on the Remote Commander to select the item.

3

or 6 on the Remote Commander to change the data.

MUTING

Category

service defl hsiz 16

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

then

Display

on the Remote Commander to initialize.

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

DISPLAY

(Service Mode)

1

Disp. (Item up)

2

(Device Item Up)

4

Disp. (Item down)

8

(Initialize)

VOLUME (+)

(Service Mode)

POWER

(Service Mode)

3

Item (Data up)

6
Item (Data down)

5

(Device item down)

ENTER

(Enter into
memory

0
(Remove from
memory)

Display

Item

Item

write

Data

MUTING

ENTER

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

usting IC1003

Signal
Type

Category

Mode

service defl hsiz 16

ntsc

vchp 00000000 00000000

2. Turn set off then on to exit service adjustment mode.

Green

Red

RM-Y173

— 16 —

ADJUSTMENT ITEMS (1 OF 2)

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

FIX

Reg # ITEM FUNCTION RANGE

1 HSIZ Horizontal Size Adjustment 0-63 35 38
2 HPOS Horizontal Position Adjustment 0-63 33 21
3 VBOW Vertical Line Bowing Adj. 0-15 5 9
4 VANG Vertical line Bowing Slant Adj. 0-15 7 7
5 TRAP Horizontal Trapezoid Adj. 0-15 7 7
6 PAMP Horizontal PIN Distortion Adj. 0-63 7 32
7 UPIN Upper PIN Distortion Adj. 0-63 36 39
8 LPIN Lower PIN Distortion Adj. 0-63 36 39

9 VM Velocity Modulation On/Off 0,1 0
10 BLKO Vertical Blanking On/Off 0,1 0 0
11 VMLV Velocity Modulation Level 0-3 2
12 AGN2 Aging 2 0,1 0 0
13 REFP Reference Pulse Position 0,1 0 0
14 VBLK Vertical Blanking On/Off 0,1 0 0
15 JPSW 0,1 0 0
16 VSIZ Vertical Size Adjustment 0-63 40 49
17 VPOS Vertical Position Adj. 0-63 32 32
18 VLIN Vertical Linearity Adj. 0-15 7 6
19 SCOR Vertical "S" Correction Adjustment 0-15 6 8
20 VZOM 16:9 CRT Z Mode On/Off 0,1 0 0
21 EHT Vertical High-Voltage Correction 0-15 15 6
22 ASP Aspect Ratio Control 0-63 47 47
23 SCRL 16:9 CRT Z Mode Trans. Scroll 0-63 31 31
24 HBLK Horizontal Blanking On/Off 0,1 1 1
25 LBLK Left Blanking Adjustment 0-15 11 12
26 RBLK Right Blanking Adjustment 0-15 8 5
27 VUSN V Saw Waveform Compress 0,1 0 0
28 HDW Horizontal Drive Pulse Width 0,1 1 1
29 EWDC "Parabola" EW/ D.C. Adjustment 0.1 0 0
30 LVLN Lower Screen BTM Vertical Line Adj. 0-15 0 0
31 UVLN Upper Screen BTM Vertical Line Adj. 0-15 0 0
32 HTRP Horizontal Trapezoid Adj. 0,1 0 0
33 RDRV R Output Drive Control 0-63 31 36
34 GDRV G Output Drive Control 0-63 21 26
35 BDRV B Output Drive Control 0-63 21 25
36 RCUT R Output Cutoff Control 0-15 10 8
37 GCUT G Output Cutoff Control 0-15 6 6
38 BCUT B Output Cutoff Control 0-15 6 7
39 DCOL Dynamic Color On/Off 0,1 0 1
40 SHUE Sub HUE 0-31 12 15
41 SCOL Sub Color 0-31 14 15
42 SBRT Sub BRIGHTNESS 0-31 13 15
43 RON R Output On/Off 0,1 1 1
44 GON G Output On/Off 0,1 1 1
45 BON B Output On/Off 0,1 1 1
46 AXPL Axis PAL 0,1 0 0
47 AXNT Axis NTSC 0,1 0 0
48 CBPF Chroma BPF On/Off 0,1 1 1
49 CTRP Y TRAP FILTER On/Off 0,1 1 1
50 COFF Color On/Off 0,1 0 0
51 KOFF Set Color Killer 0,1 0 0
52 SSHP Sub SHARPNESS 0-15 5 7

DATA NTSC VIDEO RF

Palette mode controls this register

Palette mode controls this register

AVERAGE

DATA

— 17 —

ADJUSTMENT ITEMS (2 OF 2)

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

FIX

Reg # ITEM FUNCTION RANGE

53 SHPF SHARPNESS Circuit Fo 0,1 1

DATA NTSC VIDEO RF

Palette mode controls this register

AVERAGE

DATA

54 PREL Pre-Shoot / Over-Shoot 0,1 1 1
55 Y-DC DC Transmission Ratio Switching 0,1 1
56 GAMM Gamma Correction Amnt 0-3 1

Palette mode controls this register

Palette mode controls this register
57 ABLM ABL Mode Switching 0,1 1 1
58 VTH ABL CD VHT Switching 0,1 1 1
59 YDEL Y Delay Time Control 0-15 7 7
60 NCOL No Color ID 0,1 1 1
61 FSC FSC Out On/Off 0,1 1 1
62 K-ID Killer ID Control On/Off 0,1 0 0
63 HOSC Horizontal VCO Oscillation Freq. 0-15 12 7
64 VSS Vertical Sync Slice Level 0,1 * 0
65 HSS Horizontal Sync Slice Level 0,1 0 0
66 HMSK 0,1 0 0
67 VTMS Select Signal VTIM Pin 0-3 0 0
68 CDMD Vertical Count Down Mode Switching 0-3 3 ** 0
69 AFC AFC Loop Gain Switching 0-3 0 0 0
70 FIFR Field Frequency 0-3 3 3
71 SBAL Sub Balance 0-15 5 7
72 SBAS Sub Bass 0-15 0 9
73 STRE Sub Treble 0-15 3 9
74 BBEL BBE Low 0-15 4 12
75 BBEH BBE High 0-15 5 9
76 SRND Surround 0,63 0 13
77 BBE BBE On/Off 0,1 0 1
78 DISP O.S.D Display Position 0-63 15 15
79 TROT Tilt Correction 0-63 31 31
80 HCLW Horizontal Count Lower Limit 0-127 16 16
81 HCHG Horizontal Count High Limit 0-127 64 64
82 ABL0 0,1 4 1
83 ABL1 0-7 Palette mode controls this register 7
84 SYSC Color System 0-7 0 6
85 VENH Vertical Enhancement 0-7 0 4
86 CBPC 0,1 3 0
87 BYCF 0,1 0 0
88 KILC 0,1 Palette mode controls this register 0
89 LDOT 0,1 1 0
90 CORE 0,1 1 0
91 CHTR 0,1 0
92 CHPF 0,1 1
93 ENHO 0,1 0
94 ID0 0,255 25 SEE ID MAP
95 ID1 0,255 3 SEE ID MAP
96 ID2 0,255 91 SEE ID MAP
97 ID3 0,255 2 SEE ID MAP
98 ID4 0,255 233 SEE ID MAP
99 ID5 0,255 17 SEE ID MAP

100 ID6 0,255 0 SEE ID MAP

* VSS = 1 for US, 0 for others

** CDMD = 3 for US, 0 for others

Function

Notes:
No. 1-100 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.

Mode

service id's id5 19

Signal
Type

ntsc

Chip

M37280MK-00SP VERB.O

Version

ID

Number

00010011

Data

— 18 —

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

ID MAP

Model Destination ID-0 ID-1 ID-2 ID-3 ID-4 ID-5 ID-6

KV-21FM13 E 17 3 88 2 233 17 0

KV-21FM13C E 17 3 88 2 233 17 0

KV-21FE13 E 17 3 91 2 233 17 0

KV-21FE13C E 17 3 91 2 233 17 0

4-4. MB 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.

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

4. Check that V. Frequency shows 60 ± 4 Hz.

6

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.

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

5. Write to memory by pressing

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

Signal
Type

1

and 4 .

3

and 6 to adjust characters to the center.

MUTING

Mode

Category

service micro disp 48

ntsc

vchp

Display

Item

00000000 00000000

then

ENTER

Item
Data

.

SUB BRIGHT ADJUSTMENT (SBRT)

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.

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

Mode

Signal
Type

R ON: ON (1)

G ON: OFF (0)

B ON: OFF (0)

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

6. Select RDRV with

7. Adjust the value of RDRV with

86.5 ± 2 VDC.

Category

service video rdrv

ntsc

vchp

00000000 00000000

1

and 4 .

3

and 6 set each to the

Display

Item

26

3

and 6 for

Item
Data

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.

SUB HUE, SUB COLOR ADJUSTMENT (SHUE,
SCOL)

1. Input a color-bar signal.

2. Activate the Service Adjustment Mode.

3. Connect an oscilloscope probe to CB Board, CN705 Pin

1

4. Select the SHUE and SCOL item with

5. While showing the SHUE item, adjust the waveform with
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
until the fi rst and fourth bars show the same level (V1 = V4 < 0.1

Vp-p).

V1

V2 V3

and 4 .

V4

4

Blue Out.

1

and 4

3

and 6

86.5 ± 2VDC

7. Press

MUTING

then

ENTER

to save into the memory.

— 19 —

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

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.

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

ENTER

and 4 .

3

and 6 for the best horizontal center.

to save into the memory.

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

V ANGLE (VANG)

to save into the memory.

H. SIZE ADJUSTMENT (HSIZ)

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.

— 20 —

V BOW (VBOW)

UPPER PIN (UPIN)

LOW PIN (LPIN)

SERVICE ADJUSTMENT MODE MEMORY

ENTER

0

7

Item
Data

then

ENTER

.

Green

0

Red

1. After completing all adjustments, press

Read From Memory

Signal
Type

Mode

Category

service defl vbow

ntsc

vchp

Display

Item

00000000 00000000

5-1. CIRCUIT BOARDS LOCATION

SECTION 5: DIAGRAMS

Circled numbers are waveform references.

The components identifi ed by
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.

KV-21FE13 / 21FE13C / 21FM13 / 21FM13C

X

in this basic schematic diagram have

CB Board

VB Board

MB Board

A Board

5-2. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS 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

: 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)

1

W and 1/

10

/

W

4

W in chip resistance.

8

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 14.)

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
R562

L508, C551, L510, C546, C537,
C547, D517, D518, D519, R560,
R561, R562, R563, R565, R566,

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

IC1301........................MB Board

REFERENCE INFORMATION

RESISTOR : RN METAL FILM
: RC SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW NONFLAMMABLE WIREWOUND
: RS NONFLAMMABLE METAL OXIDE
: RB NONFLAMMABLE CEMENT
:
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.

ADJUSTMENT RESISTOR

!

sont critiques pour la

— 21 —

5-3. DIAGRAMS

BLOCK DIAGRAM (1 OF 2)

S

CY

34

12

J201

FRONT A/V

INPUT

S-VIDEO

J202

V

L

R

VIDEO

L

AUDIO

R

TU101
TUNER

9V

9V

30V

30V

5V

MUTE MUTE
DATA

CLOCK

F MONO O-MONO

MODE O-SAP

SAP LED I-SAP

ST LED I-STEREN

DET-OUT

VIDEO

AFT OUT AFT

RF AGC

L OUT

R OUT

5V

(POWER SUPPLY)

(DEFLECTION)

(TUNER/IF)

(AUDIO)

(MTS)

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

(VELOCITY MODULATION)

CN506

5

VM

4

9V

+B

9V

3

E

NC

2

1

+B

CN901

5

VM

4

9V

3

E

NC

2

1

+B

AMP

VM OUT

Q903

Q905

Q904

9V

Q906

STBY 7.5V

AGC

Q101

CN902

VM

DRIVE

Q901
Q902

VM

E

VM

VM

1

SPSW

2

VM

3

STBY 7.5V

4

GND

5

I-PROT

6

DGC

7

RELAY

8

HP

9

10

SEL1

AGC MUTE

CN2002

SEL0

GND

MAIN1

MAIN2

11

12

13

14

15

16

17

18

19

20

A

D622

D4SB60L-F

AC RECT

RY602
RELAY

AC POWER

CN601

2P

:MINI

DGC

AC IN

2

DGC

1

DGC

CN602

AC

AC

DGC DRIVER

Q609

1

2

VDR601

RY601

DGC RELAY

LOW B

T602

F601

1

2

3

4

CONVERTER

PROTECT

STANDBY CIRCUIT

D623

Q605

Q606

SWITCH

Q608

STBY DRIVE

Q607

CONVERTER

IC601

D605

D4SB60L-F

AC RECT

OCP/FB

T604
SRT

:STAND BY

1

3

4

5

6 8

D626

9

C636

T603

1

18

5

16

4

15

+B

3

3

D

4

VIN

2

S

1

PH600

PHOTOCOUPLER

3

17

2

13

14

8

12

7

11

9

10

124

ERROR AMP

21

IC602

LOW B

R645

10k

+B

RECT

LOW B

LOW B

RECT

AUDIO

AUDIO

RECT

VCC

+B

5V REG

12 IO

IC604

5V 9V

1

1

H DRIVE

Q501

V OUT
IC502

35

REF OUT

17

LOW B

TV-L

R SWITCH

­E
V
I
R
D

L SWITCH

IC405

IC406

5

V2-N

3

VI-L

7

L-OUT

4

S2

2

S1

5

V2-NTV-R

3

VI-R

7

R-OUT

4

S2

2

S1

T501

1

4

2

3

+
E
V
I
R
D

9V REG

IC603

V HOLD

H OUT

6

Q502

3

IN+1

CNTRL
IC501

PIN DRIVE

PIN OUT

7

OUT2

2

IN-1

1
T

5

U

IN+2

O

1

Q503

Q504

LOW B

Q506,507

VOL-CTRL

13

Q411

200V

SW

OCP

Q505

+B

MUTE

3

5

IN2+

1

4

2

7

8

9

0

DF

0

AUDIO AMP

IC401

IN1+ OUT1+

HV

T505

FBT

FV

G2

11

ABL

6

H

5

13

11

OUT2-

8

OUT4+

10

OUT3-

SET5V

30V

SET9V

RELAY DRIVE

Q604

D2001

IR DETECT

21

IC2001

STBY +5V

T503

0
1

1

7

8

9

FUNCTION

3

4

1

5

T504

234

CN502

6
H

E
A
T
E
R

SWITCH

TP 508

V OUT

TP 506 H OUT

BA5-910-BD

10

11

12

13

14

15

16

17

18

19

20

1

2

3

4

5

6

7

8

9

1

2

3

4

1

2

3

4

5

1

2

3

4

5

6

7

8

1

2

3

4

5

6

5

4

3

2

1

I-HLDWN

MONITOR

SPK R+

SPK R-

SPK L-

SPK L+

R BACK
R GO

L BACK

HP GND

LED-TIMER

POWER-SW

IR(SENSOR)

MENU-SW

KEY-SW

STBY +5V

V2(VIDEO2)

R BACK

R GO
L BACK

L GO

HP GND

HD

GND

ABL

EW

VD+
VD-

V3

O-VOL

CN2009

PIP-L

SDAT

SCL

SET5V
30V

SET9V

V1

GND

Y1
C1

+

CN406

4P

+

CN407

L GO

B

SPR

SPL

C

CN2001

GND

J401

HEADPHONE

CN408

V DY+

V DY­H DY-

H DY-

H DY+
H DY+

CN501

D

— 22 —

BLOCK DIAGRAM (2 OF 2)

A

CN1004

STBY 7.5V

I-PROT

I-STEREN

SPSW

O-MON0

I-SAP

MAIN 1

MAIN 2

AGC MUTE

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

CN1002

FOR JIG

K

T

T

D

L

A

N

N

C

D

I

G

-

-

-

B

B

B

4

1

3

2

VIDEO SW

IC1304

VIDEO1

T

N

U

V

I

1

O

T

A

5

MEMORY

6

IC1003

BUFFER

Q1001

473638

T

N

T

N

K

A

I

L

D

B

C

B

-

B

­1

-

I

O

O

O-SEL1

1

2

VM

3

STBY 7.5V

4

GND

5

6

DGC

7

RELAY

8

HP

9

MUTE

10

SEL-1

11

SEL-0

12

GND

13

14

O-SAP

15

16

17

18

19

AFT

20

17

I-PROT

13

O-DGC

8

O-RELAY

5

O-MUTE

46

O-MONO

42

O-SAP

43

I-SAP

45

I-STEREN

33

I-AFT

48

O-AGCMUTE

O-SEL0

I-HSYNC

O-OSC

I-RESET

I-SDAT

O-SCLN

O-OSDBLCK

0

V

V

M

V

124375 2 4109132017

11

10

16

24

I-DSC

I-HP

O-YM

O-R

O-G

O-B

X1001

25

1

30

37

39

41

49

52

51

50

STBY +5V

REG

2
O
E
D
I
V

IC1305

RESET

BUFFER

Q1010

HSYNCH

SEP

Q1009

VM OUT

Q1330

HP

Q1325,1326

DIG COMB

N
I
A

L
C
S

FILTER
IC1302

(TUNING CONTROL)

T

N

T

A

U

I

U

D

O

K

O

S

C

C

Y

41

CVBS2

15

VM

18

HP PROTECT

35

SDA

34

SCL

YS2/YM

32

R2IN

31

G2IN

30

B2IN

(Y/C/J)

BUFFER

5

VTIM

36

YUYSW

19

HD

42

ABLIN

11

EW

13

VD+

Y/C JUNGLE

IC1301

(RGB DRIVE)

43

V/FSC

4

Y1

2

C1

6

MONOUT

7

COMB C

9

COMB Y

46

XTAL3

47

XTAL2

IKIN

AFCFI

IK BUFFER

21

Q1331,1350

BUFFER

20

Q1336

22

ROUT

R,G,B OUT

23

GOUT

Q1317,1316

24

BOUT

VD-

Q1315

CONVERGENCE

Q1301

H TRAP

Q1011,1002

14

CN1303 CN705

1

IK IK
GND

2

R

3

B

4

G

5

6

GND
N/S

7

NS MUTE

8

H TRAP

9

NS MUTE

H TRAP

1

GND

2

R

3

B

4

G

5

6

GND

N/S

7

8

9

(CRT DRIVE)

N/S MUTE

Q700

NS IN

1

N/S MUTE

Q701

5

IK

3

R IN

2

B IN

1

G IN

CRT DRIVE

N/S DRIVE

IC1701

IC702

7

R OUT

8

B OUT

9

G OUT

CN701

2

4

N/S COIL -

1

N/S COIL +

3

KR 12

KB 10

KG 11

FOCUS

CN704

G2

1

HEATER

6

CN706

PICTURE TUBE

H

G2FV

HV

2

I-VPN

44

CONTROL

TUNING SYSTEM

IC1001

O-H TRAP

O-YUYSW

I-CVIN

BUFFER

Q1302

BUFFER

Q1310,1311

Q1312

22

4

O-N/S

6

BUFFER

Q1313

X1304

Q1332,1327

Q1328,1329

BUFFER

Q1354,1306

Q1307,1308

BUFFER

1

I-HLDWN

2

HD

GND

3

ABL

4

5

EW

6

VD+

7

VD-

8

MONITOR

9

V3

O-VOL

POWER-SW

IR(SENSOR)

MENU-SW

KEY-SW

STBY +5V

V2(VIDEO2)

10

PIP-L

11

SDAT

12

SCL

13

14

SET5V

30V

SET9V

V1

GND

Y1

C1

LED

GND

SET5V

15

16

SET9V

17

18

19

20

1

2

3

4

5

STBY +5V

6

7

8

CN1003

B

CN1001

Q1003

30V

35

I-HLDWN

18

O-LED

14

I-POWER

12

I-RMCN

34

I-MENU

32

I-KEY

C

BA5-910-BD

V DY(+)

V DY(-)

H DY(-)

H DY(+)

D

— 23 —

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 | 24 |

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

A

—

B

—

C

—

D

—

E

—

F

—

G

—

H

—

I

—

J

—

K

—

L

—

M

—

N

—

O

—

P

—

AC IN

TO MB BOARD

CN602

TO HZ BOARD

CN902

TO MB BOARD

CN1004

STBY-7.5V

I-STEREN

CN2009

CN1003

I-HLDWN

MONITOR

SET-5V

2P

AC IN

AC IN

CN601

CN2002

I-PROT

O-MONO

I-SAP

AGCMUTE

20P

GND

ABL

VD+
VD-

O-VOL

PIP-L

SDAT

SCL

30V

SET-9V

GND

2P

DGC

DGC

20P

SPSW

GND

DGC

RELAY

MUTE

SEL1

SEL0

GND

O-SAP

MAIN1
MAIN2

AFT

STEREO

MONO

RF-AGC

C104

470
25V

TP100

5.6V

0

9

3

C

C

C

C

V

V

V
0

V

3

9

C219

10

L102

:CHIP

R105

*

CHIP

Q101

2SD601A

AGC

E

V
5

L

K

B

A

C

C

A

O

T

C

N

L

A

V

E

C

D

E
L

K

B

C

A

A

O

T

N

L

V

A

5

E

C

D

R107

100

P

:CHIP

I
H
C
:

C102

100

R108

100

1
0

:CHIP

1
L

5V

30V

V

V

0V

1

HD

2

3

4

5

EW

6

7

8

V3

9

10

11

12

13

14

15

16

V1

17

18

19

Y1

20

C1

V
I
D
E
O

D204

MTZJ-T-77-30D

30V REG

:40

S

C

VIDEO

5V

9V

12

V
I
D
E
O

2

1

1

2

V
I
D
E
O

1

VM

2

3

4

5

6

7

HP

8

9

10

11

12

13

14

15

16

17

VIDEO

18

19

20

C
G
A

F
R

C
G
A

F
R

9V

C205

4.7
:CI

34

V

L

R

T
U

V

T

O

9

U
O

T

T

C

U

F

O

I

T
U
O

F
I

C105

47

25V

C

C

F

C

N

N

A

V

T

T
U
O

T

V

F

9

A

TU101

L103

:CHIP

R204

:CHIP

R205

:CHIP

T

N
O

U

*

C

O

L

C

C

F

O

N

N

V

A

TP102

DET OUT

C204

0.0047
B:CHIP

VIDEO

22k

33k

9V

TP101

SET 9V

TP602

SET+5V

3

C657

47

IC604

25V

LM7805CT

STBY +5V REG

30V

Y

J201

*

S-VIDEO

D208

RD9.1EW-T1

R206

*

R215
470k

:CHIP

UDZ-TE-17-9.1B

MTZJ-T-77-10B

7.5MM

JW622

JW621

7.5MM

STBY-7.5V

T

D

2

U

D

E

E

L

L

P

T

A

S

S

JR(7.5MM)

R444

220

D2004

MTZJ-T-77-5.1C

O

T

N

E

O

D

M
O
M

F

R664

+B

T

T

U

E

U

U

O

D

T

O

O

M

U

S

S

M

R

L

IC401

TDA7057AQ/N2 AUDIO AMP

+

P
V

C421

0.22
25V

GP08DPKG23

D503

FBT

H

D401

C444

0.01

D502

D

2

N

N

G

I

S

C496

0

R447

4.7k
CHIP

R445

10k

200V

HV

FV

G2

ABL

11

R535
100k

6

5

(POWER SUPPLY)

(DEFLECTION)

(TUNER/IF)

(AUDIO)

(MTS)

5.3V

2
C
V

TP 508

V OUT

TP506

H OUT

AUDIO-R

TV-R

1

SI

2

VI-R

3

S2

4

T
U
O

(-)OUT

AUDIO-R

(+)OUT

R454

100

5.2V

2SB709A

VOL-CTRL

IC406

R SWITCH

TP504

200V

13V

N
G
P

Q411

GND

R-OUT

V+

V2-N

*

BA5-910-A

.

1

1

C

C

C215

*

AUDIO-R

AUDIO-L

STEREO

PIN21

PIN22

R114

*

PIN19

SAP

0

4.9

0.3 4.9

0

MONOSTEREO

MONO

0.3

C214

1 16V

16V

5.00

C101 C100

1

16V116V

R101

10k

R421

4.7k

R422

4.7

D2SB60A-F04

AC RECT

R603
470k

ERA22-08TP3

1SS133T-77

R611

47k

D623

D624

JW(5MM)

:RN

D625

1SS133T-77

C637

0.001

FB608

D1NL20R

C639

22

TH601

D622

C641

10

450V

40.8V

Q605

2SK2663

CONVERTER

S

-35.6V

36.8V

7
1
6
D

C638

-35.3V

470p

-36.1V

R612

680

Q606

2SD601A

R616

6.8

1/2W

SW

-36.3V

R602

4.7

:FPRD

C635

0.001
CHIP

R617

22

C
2

D618

1

-

1SS133T-77

7
7

­T

­J
Z
T
M

C643

0.047

R608

22M

1/2W

R609

1k

R610

10k

CHIP

MTZJ-T-77-7.5A

C604

0.0033

C634

0.01
250V

D627

R614

470

D628

T604

SRT

STANDBY

RECT

1

3

4

5

6 8

V

J202

*

FRONT A/V

INPUT

FB607

JW(5MM)

9

D626

D1NL20U-TA

C636

330

L

R

STBY-7.5V

AUDIO-R

AUDIO-L

PS401

AUDIO VCC

D2003R237

RD9.1EW-T1220

C216

CHIP

4.7

R235
470k
CHIP

R238

C210

220

CHIP

R239
470k
CHIP

D212

MTZJ-T-77-10B

MTZJ-T-77-10B

D213

*

C403

0.22

2.7A/150V

C402
2200

25V

R436

4.7k
CHIP

R450

*

AUDIO-L

R437

4.7k
CHIP

C448

*

AUDIO-L

9V

LOW B LOW B LOW B

R424

4.7k

1/10W

*

R638

4

3

PC123FY2

R560

47k

1W

:RS

8

7

6

5

C530

0.001
CHIP

*

PH601

1

5

4

3

2

8

7

9

1

2

TP503

H.PROT

IC501

NJM2903M-TE2

V CONTROL HOLD

STBY-7.5V

JW(5MM)

LOW B

D619

0.0047

T501

HDT

0.7V

C647

250V

9V

4

6

C525

500V

Q504

2SC4159-E

PIN OUT

MTZJ-T-77-10B

2SD601A-QRS-TX

R520

47
1W

C521

2200p

500V

47p

0V

R655

R656

1k

10k

CHIP

Q608

SW

R637

R662

*

*

3W

3W

C612

*

C509

C505

680p

470p

2kV

C515
680p

2kV

C508

0.01
100V

133V

0V

R504

7.5MM

R627

R628

8200p

2kV

R660

*

*

C507

4

*

3W

D505

RU4AM-T3

2SD2578-YB

H-OUT

FB501

1.1UH

Q502

R626

0.47
1/2W

:RF

C618
470p

C520

0.047
400V

FB600

0UH

FB609

0UH

C617
680p

B

1.5kV
:PP

D504

ERC06-15S

C516

0.001
2kV

C514

0.82
250V

3

R548

JW7.5MM

L501

8mH

RGP10GPKG3

-6.5V0.1V

FB502

1.1UH

C540

160V

D506

FB503

1.1UH

+B

C524
220p
500V

B

C539

160V

R540

4.7k

22

22

R607

22

JW610

7.5MM

R636

JW609

7.5MM

C607

JW607

7.5MM

JW608

7.5MM

2SB709A

S2007

UP/DOWN

2.2k CHIP

R2002

1.5k
CHIP

JW602

12.5MM

JW606

12.5MM

R605

*

R606

*

*

R508

22k

0V

Q507

SW

0V

0V

R572

4.7k

:CHIP

R2001

R2004

6.8k CHIP

0V

MENU/SEL

R642

47k

D602

1SS133T-77

C601

RY602

0.1

RELAY

25V

AC POWER

CHIP

D612

MTZJ-T-77-10B

0.0022

C606

0.0022

R601

*

R571

4.7k

:CHIP

0V

2SD601A

S2008

R661R663

2.2k22k

R615

Q506

SW

4.1V

0.1V

Q604

2SD601A-QRS-TX

RELAY DRIVE

C506

0.001

2SD2144S-TP-UVW

STANDBY DRIVER

0.1V

C611

*

TP500

H.DRIVE

9V

Q607

R653

1k

CHIP

D4SB60L-F

1k

C503
820p
500V

V
9
.
3
9

Q501

2SC3209LK

H DRIVE

AC RECT

R503

5.6k

:1B

D605

R621

10W

680p 500V

C526

1

R521

330

R630

2.2k

*

+B

1

2

3

C504

0.7V

C602

47

9V

R547

R502

1k
3W

R509

1k

R510

3W

330

C535

0.47

2

C502

0.047
200V

1

C501
330p

0V

R501

3.3k

Q503

2SD601A

PIN DRIVE

R522

680

3.8V

0.2V

R523

10k

TP601

1SS133T-77

D2002

MTZJ-T-77-10B

SET+9V

C527

22

13V

IC601

*

CONVERTER

N

D

I

N

V

G

D

FB601

0UH

FB602

0UH

D610

D1S4-TA

+B

R516

10k

D509

MTZJ-T-77-5.1C

+B

­E
V
I
R
D

1 2 3 4 5 6 7

R538

R519

6.8k

470

2W

R536

3.3
R541

1W

10k

13V

R525

D507 D508

6.8k
1SS133T-77

CHIP

:4A

R524

R528

2.2k

10k

B
F
/
P
C
O

S

12345

R644

3.3k

D611

C619
470p

R539

FPRD

:PT

2.2

D1NL20U

R646

1.5k

R643

1.5k
C652

0.001

345

1

2

6

7

+

T

E

S

V

O

I

O

R

B

C543

0.47

C529

0.0022
B:CHIP

220k CHIP

R518

6.8k

GP08DPKG23

-13V

D

R517

4.7k

D510

OUT1

1

IN-1

2

IN+1

3

-VCC

4

OUT

R527

22k

CHIP

R529

R633

680

R641

0.33
2W

R632

0.22
2W

L508

T504

HLT

IC502

AN5522

5

V OUT

+
C
C
V

:4A

R526

22k

-

F

C

E

C

R

V

C541

220

C542

47

C528

0.0022
B:CHIP

THP601

THERMISTOR

1

4

L605

*

13.9V

0V

R634

10k

CHIP

2

3

R650 R658

0.68 0.68

RY601
RELAY

D601

1SS133T-77

R635

2.2k
CHIP

JW613

5.0MM

JW614

C648

5.0MM

0.22
125V

Q609

2SC3311A-QRSTA

+B

9V

DGC DRIVER

C655

0.47

R613

2.2M

T602

*

LOW B

L604

IO

IC603

PQ09RD21

9V REG

IC2001

SBX3081-71

IR DECT

G

C628

100
25V

9V

+B +B+B

123

R2003

4.7k

C2001

STBY-5V

47

25V

STBY-7.5V

R2005

VDR601

*

VARISTOR

+B

D2001

LNK0220022G1

0

STBY-5V

S2006
POWER

D2005

MTZJ-T-77-5.1C

1

2

3

4

R

W

R

E

W

S

O

M

S

-

S

I

-

R

N

T

U

E

E

-

N

W

S

D

E

O

R

E

M

P

I

L

8

5

6

7

CN2001

D

TO MB BOARD

N
G

8P

CN1001

V

W

5

S

2

-

-

V

Y

Y

B

E

T

K

S

R2014 R2013 R2012 R2011

6.8k 2.2k 820 680

S2005 S2004 S2003 S2002 S2001

TV/VIDEO CH+ CH- VOL+ VOL-

T603

D613

D1NL20U

FB603

0UH

D614

D1NL20U

C620

100
25V

PHOTOCOUPLER

9V

D518

RD8.2ES-T1B

D517 R553

1SS133T-77

:4A

R561

620

TP501

-13V

-13V

TP502

+13V

+VCC

OUT2

IN-2

IN+2

R530
150k
CHIP

18

16

15

17

13

14

12

11

10

C630 C631

**

R639

2.2k

R640

1k

D5LC20U

LOW B RECT

JW615

5.0MM

JW616

5.0MM

D616

C627

0.1

250V

D615

RU4AM-T3

+B RECT

D5LC20U

AUDIO RECT

D620

C621

0.001
2kV

C623
680p
500V

IC602
EA135-F12
ERROR AMP

3

R645

FB610

0UH

10k

FB604

0UH

C624

100

160V

C622
680p
500V

FB605

0UH

C625
1000

25V

R659

10

12

+B

C548

33

160V

L504

+B

-13V

C523

R567

:CHIP

-13V REG

R549

470
25V

10.0MM

JW523

13V

R562

10k

C537

4.7

R563
100k

C546

4.7

160V

10k

C549

R565

220

10k

16V

D519

EL1Z-V1 :4G

MA111-TX

C547

0.01
F

D520

0.47

R559

10k

R566

10k

CHIP

D513

RGP15GPKG23

:HC

AUDIO VCC

FB606

C626
1000

+B

R558
100k

R534

27k

R532

2.7k

R409

CHIP *

R425

*

LOW B

TP600

B+

L603

C654

10 160V

R652

JW(5MM)

L602

0UH

25V

L601

JW(5mm)

C658
1000

25V

JW(5mm)

9V

R507

1/2W

9V

JW (5mm)

R533

47k

TP507

V MID

220

L506

+B

0.47
2W

R556

820

+B

134.9V

R557
470k

C510

4.7 250V

C513

0.001
100V

C512

B

0.047
200V

L503
10mH

R513

220 3W

200V

R543
220k

:CHIP

C553

250V

+B

D516

1SS133T-77

:4A

C534

R554

10

10k

135.5V

Q505

2SA1091O-TPE2

OCP

1.8V

C533

470
25V

-13V

R546

C531

0.47

0.068
200V

:PT

WHEN REPLACING T505 BE SURE TO CHECK THE VOLTAGE VALUE

AT (TP503). REFER TO THE SAFETY ADJUSTMENT SECTION

R562 SEE SECTION 3.

L502

2.2mH

RGP10GPKG23

200V REG

22

C551

0.0047
200V

R555
470k

RGP15GPKG23

13V

+B

C511

0.56
250V

D511

+13V REG

TV-L

1

SI

2

VI-L

3

S2

4

IC405

NJM2521M-TE1

L SWITCH

9V

R506

100 2W

JW507

5.0MM

SW502

R544

47

0.5W

D514

1

4

200V

L510

2

7

R568

22
2W

:RS

8

R550

9

0.47
1/2W

:FPRD

0

0

N

.

V

I

N

1 2 3 4 5 6 7 8 9

C420

0.22

AUDIO-R

25V

F

R438

4.7k
CHIP

R439

4.7k
CHIP

R453

*

C454

*

C442

AUDIO-R

4.7

MTZJ-T-77-10B

AUDIO-L

GND

8

L-OUT

7

V+

6

V2-N

5

+B

R552

68 3W

GP08DPKG23

R542

68

T505

DF

R545

JW7.5MM

2

+

D

4

1

-

­D

2

3

N

T

T

G

U

U

P

O

O

10 11 12 13

AUDIO-L

(-)OUT

8

7

6

5

5

4

3

2

1

6

5

4

8

3

2

1

9

6

5

4

3

2

1

-13V

1
T
U
O

AUDIO-L

(+)OUT

AUDIO-L

(+)OUT

C439

330
25V

R428

220

CHIP

AUDIO-R

CN506

5P

TO VB BOARD

CN901

VM

9V

E

NC

+B

CN501

6P WHT :DY

V DY +

V DY -

H DY -

H DY -

H DY +

H DY +

CN502

6P :S-MICRO

TO CB BOARD

CN706

200V

NC

E

HEATER

-13V
+13V

HV

TO CRT

FOCUS

TO CB BOARD

G2

TO CB BOARD CN704

AUDIO-R

(+)OUT

AUDIO-L

(+)OUT

C438

330
25V

R427

220

AUDIO-R

AUDIO-L

RD9.1EW-T1

CN406

4P

1

SPK R+

2

SPK R-

3

SPK L-

4

SPK L+

CN407

5P

SPR

SPL

TO A BOARD

CN408

1

R BACK

2

R GO

3

L BACK

4

L GO

5

HP GND

J401

HEAD PHONES

CN408

5P

TO A BOARD

CN407

1

R BACK

2

R GO

3

L BACK

4

L GO

5

D400

HP GND

H.DY H.DY V.DY V.DY

T
U

O

O

T

T

E

E

D

D

T

T

U

U

O

N

O

E

I

M

E

T

T

-

U

F

E

E
D

M

D

A

R115

*

R103

*

12

R648

33
3W

R208

15k

2W

C207

*

4.7

C208

R214

*

CHIP

D209

D210

F601

*

R443

220

— 24 —

6 8

4

7

32

5

1

A BOARD WAVEFORMS

2.5 Vp-p (H)

182.8 Vp-p (H)

23.4 Vp-p (H) 1.08 KVp-p (H)

30.4 Vp-p (V)

54.3 Vp-p (V)

31.1 Vp-p (V)

5.0 Vp-p (V)

9

174.3 Vp-p (H)

REF. #

LOCATION

KV-21FE13

KV-21FE13C

KV-21FM13

KV-21FM13C

C207 I-5 4.7 µF 4.7 µF # #
C210 C-16 4.7 µF 4.7 µF # #
C215 B-8 1 µF 1 µF # #
C448 B-8 0.22 µF 0.22 µF 0.22 µF #
C454 D-21 0.22 µF 0.22 µF 0.22 µF #
C607 I-4 0.47 µF 125V # 0.47 µF 125V #
C612 I-12 470 µF 250V 330 µF 400V 470 µF 250V 330 µF 400V
C630 I-17 0.0033 µF 250V # 0.0033 µF 250V #
C631 I-18 0.0047 µF 250V # 0.0047 µF 250V #
F601 J-4 6.3A/125V 6.3A/250V 6.3A/125V 6.3A/250V
IC406 H-22 NJM2521M-TE1 NJM2521M-TE1 # #
IC601 G-14 STR-F642 STR-F6454 STR-F6424 STR-F6454
J201 H-4 3P 3P 2P 2P
J202 C-14 3P 3P 2P 2P
R103 C-5 # # 0 0
R105 C-3 4.7K 4.7K 8.2K 8.2K
R114 C-6 # # 0 0
R115 C-5 0 0 # #
R206 I-4 # # 0 0
R214 I-5 470K 470K # #
R409 F-19 # # 0 0
R425 F-19 4.7K 4.7K 0 0
R450 C-20 3.3K 3.3K 3.3K #
R453 D-21 3.3K 3.3K 3.3K #
R601 I-10 4.7M 1/2W # 4.7M 1/2W #
R605 H-10 1 10W 1.2 10W 1 10W 1.2 10W
R606 H-9 10W 1.2 10W 1 10W 1.2 10W
R615 I-10 # 8.2M 1W # 8.2M 1W
R621 I-12 # 1.2 10W # 1.2 10W
R627 I-13 390K 270K 390K 270K
R628 I-13 # 270K # 270K
R637 H-12 # 5.6K 3W # 5.6K 3W
R638 H-17 33 56 33 56
R660 H-13 15K 3W 5.6K 3W 15K 3W 5.6K 3W
R662 H-13 # 5.6K 3W # 5.6K 3W
T602 I-7 1-431-419-11 1-426-717-11 1-431-419-11 1-426-717-11
T603 G-16 1-433-806-21 1-433-807-21 1-433-806-21 1-433-807-21
THP601 H-8 1-809-539-11 1-803-540-11 1-809-539-11 1-803-540-11
TU101 A-4

TUNER, FSS BTF-WA412 TUNER, FSS BTF-WA412 TUNER, FSS BTF-FA402 TUNER, FSS BTF-FA402

VDR601 J-7 VARISTOR ENE271D-10A VARISTOR (ENE621D-14A) VARISTOR ENE271D-10A VARISTOR (ENE621D-14A)

NOTE: # = Not Mounted

(*) A BOARD VARIANT MODEL LIST

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

— 25 —

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

4 -13.9

IC604

14 N/C

pin

volt

pin

volt

5 0.2

pin

volt

pin

volt

15 N/C
1 0.6 1 6.0 6 14.3 1 13.3 1 8.6 16 4.5
2 N/C 2 0.1 7 2.1 2 5.0 2 30.7 17 4.7
3 2.4 3 6.1

IC601

3 GND 3 5.1 18 4.4

4 14.3 4 0.1

pin

volt

4 4.9 19 5.0

5 2.4 5 6.1 1 -31.8

pin

volt

5 4.9 20 5.0
6 GND 6 9.0 2 -32.7 1 5.0 6 GND 21 0.3
7 0.6 7 5.3 3 53.2 2 5.0 7 5.5 22 0.0
8 6.9 8 GND 4 -23.8 3 GND 8 N/C 23 N/C
9 GND 5 -32.7 9 8.9 24 0.0

10 6.9

pin

volt

10 4.1 25 N/C

11 6.9 1 0.2

pin

volt

11 GND 26 4.5
12 GND 2 3.7 1 135.9 12 N/C 27 4.5
13 6.9 3 2.5 2 123.4 13 N/C

4 GND 3 GND

pin volt 5 9.5

1 6.0 6 10.1

pin

volt

2 0.1 7 0.1 I 13.3
3 6.1 8 14.0 G GND
4 0.1 O 8.9
5 6.1

pin

volt

4 13.3
6 9.0 1 2.1
7 5.3 2 14.0
8 GND 3 -12.6

A BOARD IC VOLTAGE LIST

IC401

IC501

TU101

IC2001

All voltages are in V

All voltages are in V

IC406

IC602

IC502

IC405

IC603

DC Volume Control 1

Input 1

Positive Output 1

Negative Output 1

Power

Ground 1

Signal

Ground

TEMPERATURE

PROTECTION

STABILIZER

REF

V

P

V

I + i

I – i

+

–

4

3

1

+

–

13

11

7

5

DC Volume Control 2

Input 2

I + i

I – i

1

2

Positive Output 2

Negative Output 2

10

8

2 6

12

9

Power

Ground 2n.c.

A BOARD IC BLOCK DIAGRAMS

IC401: TDA7057AQ/N2

— 26 —

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 |

A

—

B

—

C

—

D

—

E

—

F

—

G

—

H

—

I

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

R

4

3

8

R

5

2

2

R

5

4

1

R

4

5

0

R

4

4

5

C

6

2

5

L

6

0

1

C

4

0

2

R

4

5

1

R

4

4

6

R

4

3

9

C

4

5

4

C

6

2

8

R

5

6

6

C

6

1

1

S

2

0

0

5

S

2

0

0

1

S

2

0

0

2

R

6

0

9

T

6

0

4

R

6

1

4

V

D

R

6

0

1

T

6

0

2

R

6

1

7

T

H

6

0

1

C

6

4

0

S

2

0

0

6

R

2

0

0

5

C

6

3

3

C

6

0

5

R

2

0

0

3

S

2

0

0

7

S

2

0

0

8

R

2

0

0

7

R

6

5

3

R

6

5

5

C

6

0

8

R

Y

6

0

2

R

2

3

6

R

2

3

5

R

2

3

9

R

2

3

8

R

2

3

7

C

2

1

6

C

2

1

0

R

6

5

1

R

6

6

3

R

6

6

1

R

5

0

8

R

6

3

4

R

6

3

5

R

4

4

2

R

4

4

3

R

4

4

4

R

1

1

4

R

1

1

5

R

1

0

6

R

2

0

4

R

1

0

2

L

1

0

1

L

1

0

3

R

1

0

5

R

2

1

3

C

2

0

5

L

1

0

2

R

2

1

5

C

4

4

8

R

4

3

6

R

4

5

4

C

2

1

3

R

2

4

1

R

2

4

0

R

5

2

7

R

5

2

5

R

5

1

4

R

5

6

7

R

2

2

5

R

5

2

9

C

5

3

0

C

5

4

6

R

5

6

3

R

2

1

8

R

2

2

7

C

5

4

2

C

5

4

1

C

5

1

8

R

2

3

1

R

2

3

2

R

5

5

7

C

5

5

2

R

5

4

3

C

5

3

2

R

5

3

7

R

5

4

0

C

5

4

3

C

5

1

9

R

5

3

5

L

5

0

7

R

5

4

6

R

5

3

4

R

5

4

5

C

5

5

1

L

5

1

0

R

5

3

3

R

5

2

4

R

5

1

5

R

5

1

6

C

5

0

3

C

5

3

6

C

5

0

4

C

5

1

3

R

5

0

7

T

5

0

3

T

5

0

2

C

5

2

7

R

6

5

9

C

6

2

9

L

6

0

2

R

4

4

7

D

5

0

7

C

6

5

9

R

4

0

2

F

B

6

1

0

R

6

4

3

C

6

4

4

C

6

4

6

R

6

4

4

C

6

5

2

F

B

6

0

3

R

6

4

7

R

Y

6

0

1

T

H

P

6

0

1

R

6

2

3

C

6

3

1

D

6

0

3

C

6

1

3

R

6

1

8

C

6

1

4

C

6

3

0

R

6

2

7

F

B

6

0

1

C

6

1

7

F

B

6

0

9

R

6

3

2

C

5

2

4

R

5

3

9

R

5

1

8

F

B

5

0

2

R

5

0

5

R

5

0

6

L

5

0

1

C

6

0

6

T

6

0

1

C

N

6

0

2

F

6

0

1

Q

6

0

5

Q

6

0

6

Q

6

0

7

C

N

6

0

4

C

N

6

0

1

C

N

6

0

3

C

N

2

0

0

1

C

N

5

0

3

C

N

4

0

2

Q

6

0

2

Q

6

0

9

Q

6

0

4

Q

6

0

3

C

6

2

7

Q

4

1

0

Q

5

0

7

C

N

2

0

0

6

Q

1

0

1

C

N

2

0

0

7

C

N

2

0

0

2

C

N

2

0

0

8

C

N

2

0

0

5

C

N

2

0

0

9

C

N

4

0

7

I

C

4

0

5

I

C

4

0

6

I

C

5

0

2

C

N

5

0

2

Q

4

1

1

C

N

5

1

1

C

N

5

0

6

C

N

5

1

5

Q

5

0

1

I

C

6

0

1

C

4

0

3

J

R

2

0

0

3

J

R

5

0

3

J

R

2

0

0

1

R

6

5

7

C

6

0

3

C

6

0

7

Q

5

0

5

C

1

0

2

C

6

0

2

C

6

1

9

C

6

5

4

C

6

9

9

I

C

5

0

1

L

5

0

2

R

5

3

2

C

N

2

0

0

4

J

R

0

0

2

D

2

3

3

D

2

3

2

D

5

2

0

R

5

6

1

D

2

3

4

D

2

3

5

D

2

0

9

R

2

0

6

C

N

4

0

6

C

6

1

5

R

5

6

5

R

5

5

8

R

5

5

9

T

H

5

0

1

R

6

3

3

R

5

1

1

R

5

0

3

C

5

5

4

C

5

2

5

C

5

1

1

R

2

0

1

5

S

2

0

0

3

D

2

0

0

2

S

2

0

0

4

D

2

0

0

1

D

4

0

0

C

N

4

0

8

D

2

1

2

D

2

0

0

5

D

6

0

4

D

6

0

6

D

6

0

9

F

B

6

0

2

C

6

6

1

J

R

6

0

3

J

R

6

0

4

D

6

1

6

D

5

2

1

R

5

0

2

R

5

4

7

R

5

0

4

C

5

0

5

D

5

0

6

C

N

5

0

1

R

5

6

8

D

5

1

1

D

5

1

4

D

5

1

7

D

5

1

8

R

2

2

6

D

2

3

6

R

2

0

5

1

D

2

0

8

D

2

0

5

D

2

0

6

I

C

4

0

1

I

C

6

0

4

P

H

6

0

1

D

5

1

0

R

4

0

4

R

4

0

7

D

6

2

7

D

6

2

4

C

2

1

1

I

C

4

0

2

R

4

9

0

D

6

2

0

C

6

4

9

D

6

1

1

R

6

4

1

D

2

1

0

R

4

0

3

Q

4

0

1

Q

2

0

1

Q

5

0

3

D

6

3

1

Q

2

0

6

Q

2

0

5

Q

5

0

2

R

5

5

3

C

5

5

5

C

5

1

5

C

5

0

9

C

6

2

4

I

C

6

0

2

R

2

0

2

0

R

8

0

4

R

8

0

3

R

8

0

2

R

8

0

1

R

8

0

0

R

5

3

1

R

5

7

3

R

4

2

3

C

5

5

0

C

4

9

6

R

4

9

5

D

5

1

6

R

5

5

4

R

5

5

5

T

5

0

5

C

N

5

0

4

J

R

5

0

1

L

5

0

5

T

5

0

4

L

5

0

9

R

6

6

0

D

6

0

5

R

6

0

1

C

5

4

7

C

4

4

4

J

R

4

1

0

J

R

4

0

9

J

2

0

1

R

2

1

0

1

2

6

7

B

E

1

7

B

E

1

9

1

0

1

8

6

.

3

A

1

1

1

1

6

1

4

1

5

1

5

1

3

1

1

0

1

1

0

1

9

1

9

1

5

G

1

9

1

3

1

1

4

B

E

R

I

S

K

O

F

F

I

R

E

S

B

E

2

5

2

7

2

3

1

7

1

6

E

1

3

5

V

B

E

5

4

B

E

+

-

1

2

1

4

5

8

1

1

4

5

8

I

O

C

B

2

6

4

A

C

I

N

A

C

I

N

R

G

O

R

B

K

L

B

K

L

G

O

G

N

D

1

T

O

M

A

/

M

B

B

O

A

R

D

L

E

D

-

T

I

M

E

R

P

O

W

E

R

-

S

W

M

E

N

U

I

R

K

E

Y

V

2

C

2

G

N

D

S

T

B

Y

-

5

V

Y

2

G

N

D

1

1

G

N

D

L

2

L

E

D

-

M

A

I

N

R

B

K

R

G

O

L

B

K

L

G

O

H

D

Y

+

H

D

Y

-

V

D

Y

+

V

D

Y

-

H

D

Y

+

H

D

Y

-

1

2

3

4

5

6

B

C

1

3

1

5

2

1

7

G

N

D

6

1

2

3

2

0

1

8

1

6

D

2

1

3

4

G

N

D

H

-

O

U

T

D

E

T

-

O

U

T

1

7

.

5

V

S

T

B

Y

9

V

S

E

T

S

C

L

S

D

A

T

5

V

S

E

T

3

0

V

A

G

C

H

.

P

R

O

T

H

E

A

T

E

R

-

1

3

V

2

0

0

V

H

.

P

U

L

S

E

H

.

D

R

I

V

E

+

B

A

S

M

A

R

K

E

D

R

E

P

L

A

C

E

F

U

S

E

5

J

U

M

P

E

R

-

I

D

T

6

.

3

A

L

8

F

B

T

1

6

3

1

1

1

1

5

2

1

1

-

6

7

7

-

2

9

5

-

4

1

DIODE D622 F-3
D204 B-10 D623 F-3
D208 B-11 D624 H-2
D209 B-11 D625 G-2
D210 B-11 D626 G-2
D212 B-11 D627 H-2
D213 B-2 D628 G-2
D400 E-1 D2001 E-2
D401 E-8 D2002 F-1
D502 G-9 D2003 B-1
D503 G-9 D2004 A-3
D504 H-9 D2005 A-2
D505 G-7 IC
D506 E-8 IC401 B-9
D507 E-8 IC405 C-11
D508 E-10 IC406 C-11
D509 H-5 IC501 D-9
D510 E-10 IC502 F-10
D511 G-10 IC601 B-5
D513 F-10 IC602 C-7
D514 F-11 IC603 E-7
D516 G-12 IC604 C-8
D517 F-11 IC2001 F-1
D518 F-11 TRANSISTOR
D519 E-10 Q101 B-9
D520 F-12 Q411 D-8
D601 D-2 Q501 H-6
D602 E-2 Q502 H-7
D605 D-4 Q503 D-8
D610 C-4 Q504 E-9
D611 C-6 Q505 G-11
D612 C-2 Q506 A-6
D613 D-6 Q507 A-6
D614 D-6 Q604 A-5
D615 F-5 Q605 G-3
D616 F-6 Q606 G-3
D617 G-2 Q607 D-2
D618 G-2 Q608 E-2
D619 D-2 Q609 A-4
D620 E-7

A BOARD LOCATOR LIST

A

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

— 27 —

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |

A

—

B

—

C

—

D

—

E

—

F

—

G

—

H

CB BOARD SCHEMATIC DIAGRAM

H

KG G2

CV KR G1 G4

HV

KB

1 2 3 4 5 6 7 8 9

1

1 2 3 4 5

1

1

2

3

4

5

6

1

2

3

4

5

6

7

8

9

1

3 5

6

7

8

9

10

11

12

13

G2

G1-1

H1

H2

G1-2

KB

KG

KR

G1-3

G4

CV

1

2

3

L701

C705

R708

R709

R711

R712

R713

D701

D702

D703

R714

D704

R715

R716

C707

C710 C709

C708

R705

C701

R707

C702

C703

R702

R701

R700

R720

R721

R719

R704R703

CN704

R706

J701

R718

IC701

Q700

CN705

CN706

CN702

CN701

IC702

Q701

R710

RV701

C706

C704

10

250V

100

100

1k

1/2W

1k

1/2W

1k

1/2W

1SS83TD

1SS83TD

1SS83TD

100

1/2W

RGP10GPK23

560k
1/2W

100k
1/2W

0.0047
2kV

E

10 220

16V

0.1

:MPS

10k

:CHIP

47

25V

1.5

:FPRD

0.1
:MPS

47

25V

220

10k

22k

2.2k

2.2k
220

2W

2.2k100

1

3.3
2W

LA6500-FA

N/S AMP

2SC3311A

NS MUTE

9P

6P

:PIN-J

3P

TDA6108JF/N1B

RGB DRIVE

2SC3311A

NS MUTE

100

V STAT CONTROL

110M

0.1

250V

2.2

250V

G2

TO A BOARD

B

I

N

G

I

N

R

I

N

G

N

D

I

K

R

O

U

T

V

D

D

E

IK

R

G

B

H-TRAP

N/S MUTE

200V

N.C.

GND

HEATER

N/S

COIL-

N.C.

N/S

COIL+

GND

N/S

CRT

27V: TIGER

N/S COIL

G

O

U

T

B

O

U

T

-13V

+13V

200V

-13V

-13V

13V

13V

TP47R

TP47B

R OUT

B OUT

CN1303

TO MB BOARD

CN502

TO A BOARD

FOCUS

T505

G

B

R

R

G

B

(CRT DRIVE)

(RGB DRIVE)

GND

BA5-910-CB

1

2

3

200V

0.0V

0.3V

1.7V

0.0V

2.2V

134.5V

1
4
4
.
4
V

1
3
8
.
5
V

2

.

0

V

3

.

6

V

2

.

2

V

0.3V

-0.6V

0.3V

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

— 28 —

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |

A

—

B

—

C

—

D

—

32

CB BOARD WAVEFORMS

1

132.8V p-p (H)

135.9V p-p (H) 140.6V p-p (H)

C

7

0

2

R

7

0

7

I

C

7

0

1

R

7

0

2

R

7

0

5

C

7

0

0

R

7

0

4

R

7

0

6

R

7

1

9

R

7

1

7

R

7

1

8

R

7

1

5

D

7

0

4

R

7

1

6

R

V

7

0

1

R

7

0

8

D

7

0

2

R

7

1

2

D

7

0

1

R

7

1

0

R

7

0

9

R

7

1

1

D

7

0

3

R

7

1

3

C

N

7

0

5

R

7

0

0

C

N

7

0

1

C

N

7

0

6

C

N

7

0

4

C

N

7

0

3

R

7

2

1

D

2

2

1

3

D

2

2

1

2

R

2

2

1

4

D

2

2

1

1

J

2

2

1

2

C

2

2

2

2

R

2

2

1

2

R

2

2

1

3

Q

7

0

1

G

A

P

S

P

A

R

K

G

R

O

U

N

D

G

R

O

U

N

D

G

A

P

G

R

O

U

N

D

1

9

1

6

1

2

4

5

E

B

1

3

E

B

R

O

U

T

B

O

U

T

"

R

G

B

&

T

I

L

T

A

M

P

.

"

1

G

N

D

G

O

U

T

B

O

U

T

R

O

U

T

T

P

7

0

2

T

P

7

0

1

1

-

6

7

7

-

2

9

7

-

4

1

1

7

1

8

1

8

9

4

1

1

-

6

7

8

-

3

4

5

-

4

1

CB

[RGB DRIVE, CRT DRIVE]

— 29 —

MB 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

A

STBY-7.5V STBY-7.5V

—

R1314

75

CHIP

B

9V

—

R1034

560

CHIP

C

VIDEO

STBY-5V

—

D

—

CN1001

E

—

F

—

TO A BOARD

CN2001

POWER-SW

IR(SENSOR)

MENU-SW

V2(VIDEO2)

8P

LED

KEY-SW

5V-STBY

GND

1

2

3

4

5

6

7

8

R1319

75

CHIP

9V

VIDEO

G

—

H

V
9

—

I

—

CN1002

4P

JIGS

FOR

B-CLK

B-DAT

B-INT

GND

D
N
G

1

2

3

4

V
I
D
E
O

J

—

K

VIDEO

KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C

CN1003

20P

L

L

TO A BOARD

CN2009

5V

R1082

4.7k
CHIP

Q1001

2SB709A

BUFFER

R1099

4.7k

0V

R1043

Q1003

2SD601A

BUFFER

R1042

*

CHIP

8.2k
CHIP

9V 9V

5.4V

4.8V

1

1

D

Y

C

N
G

9

8

0

1

1

2

R1068

100

CHIP

STBY-5V

R1027

470

:CHIP

R1029

C1014

470k

0.1
:CHIP

:PT

C1022
560p
CHIP

STBY-5V

V
5

V
9

1

T

V

E
S

7

6

1

1

C1353

VIDEO

JR1083

2SB709A

H SYNCH SEP

VIDEO

C1015

10

15p

CHIP

V
0
3

5
1

0

Q1009

V

T

L

5

A

C

D

S

T

S
E
S

4

3

2

1

1

1

C1008

10

R1022

10k

CHIP

L1001

:CHIP

X1001

:SV

C1016

CHIP

M37273MF-306SP

15p

TUNING SYSTEM

R1045

4.7k

:CHIP

R1044

4.7k

:CHIP

R1046

4.7k

L1003

:CHIP

C1041

470
25V

STBY-5V

R1001

47k

5678

D

F

D

T

N

F

N

U

G

O

G

O

P

T
E

D

S

N

T

E

G

C

R

1 2 3 4

V

N
I
V

C1077

10

:CI

C1076

0.47

STBY-7.5V

IC1305

BA3993F

STBY +5V REG

R1074

3.3
1W

C1075

470
25V

R1075

4.7k

R

-

O

-

O

P

V

I

-

P

0

1

0

1

1

+

3

D

T

W

D

V

V

I

E

V
N
O
M

9

8

7

6

5V

9V

Q1010

2SD601A

BUFFER

R1019

680 CHIP

5.2V

0.8V

C1012

IC1001

CONTROL

MTZJ-T-77-5.6C

R1047

4.7k

C1048 C1050

0.47
:MPS

R1069

220 :CHIP

3.8V

R1021

1M

:CHIP

1

C1018

1

D1005

C1042

0.0022
B:CHIP

1 2 3 4

4.5V

R1016

1k

CHIP

C1010

C1011

0.047
220p

F

:CHIP

STBY-5V

R1023

10k

:CHIP

C1019

47

25V

R1030

1k

C1021

:CHIP

220p
CHOP

R1028

680 :CHIP

6

V
S
S

2

V
C
C

272829303132333435363738394041424344454647484950515

GND01

C1055

12p

:CHIP

C1053

12p

CH:CHIP

R1048

4.7k

:CHIP

C1049

0.0047

:CHIP

B:CHIP

220

:CHIP

5678

IC1003

M24C16-MN6T(A)

MEMORY

N

L

D

D

W

B

N

H

D

A

G

L
H

­I

4

5

3

2

1

C1030 R1106 D1006

4.7 10k MA111-TX

VIDEO

R1418

9V

5V

STBY-5V

R1025

22k

R1026

4.7k

P

P

I

I

H

H

C

C

0

0

2

2

R1017

100

CHIP

C1020

0.0022
:CHIP

I

-

O

D

-

S

O

C
S
C

X

X

I

-

-

O

O

S

S

D

D

P
I
H
C
:

0

4

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