Sony TORINITORON HMD-A440 Service Manual

CHASSIS

SERVICE MANUAL

SPECIFICATIONS

HMD-A440

19VC

US Model

Canadian Model

Chassis No. SCC-L38F-A

TORINITORON

®

COLOR COMPUTER DISPLAY

××

×

×

×

CRT 0.24 mm aperture grille pitch (center)

19 inches measur ed diagonally
90-degree deflection
FD Trinitron

Viewable image size

Approx. 365 274 mm (w/h)
(14

3

/8 10 7/8 inches)

Viewing image Approx. 456 mm (18 inches)

Resolution

Maximum Horizontal: 1920 dots

Vertical: 14 40 lines

Recommende d Horizontal: 12 80 dots

Vertical: 10 24 lines

Standard image area

Approx. 352

264 mm (w/ h )

(12

7

/8 103/4 inches)

Deflection frequency

Horizontal : 30 to 96 kHz
Vertical: 48 to 170 Hz

AC input voltage/current

100 - 120 V, 50 -60 Hz, Max. 2.0 A
Power consumption Approx.130 W
Operating temperature

10 °C to 40 °C
Dimensions

Approx. 461 479 471 mm (w/h/d)

×× (18

1

/8 19 1/8

18

1

/2 inches)
Mass Approx. 26 kg (57 lb)
Plug and Play DDC2B/DDC2Bi

GTF

×

Supplied ac cessori

* Recommended horizonal and vertical timing condition

• Horizontal sync width should be more than 1.0 µsec.

• Horizontal blanking width should be more than 3.0 µsec.

• Vartical blanking width should be more than 500 µsec.

Design and specifications are subject to change without notice.

es

Power cord (1)
Warranty card (1)
Instruction Manual (1)

Preset and user modes

When the monitor receives an input signal, it automatically
matches the signal to Provide a high quality picture.
For input signals that do not match one of the factory preset
modes, the digital Multiscan technology of this monitor ensures
that a clear picture appears on the screen for any timing in the
monitor s frequency range (horizontal: 30 — 96 kHz, vertical:
48 — 170 Hz). If the picture is adjusted, the adjustment data is
stored as a user mode and automatically recalled whenever the
same input signal is received.

HMD-A440(E) 2

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 instruments.

2. A battery-operated AC milliammeter. 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 250 and
Sanwa SH-63Trd are examples of a passive VOMs that are suitable. Nearly
all battery operated digital multimeters that have a 2 V AC range are suit­able. (See Fig. A)

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 con­tact 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 specified 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
right.

Fig. A. Using an AC voltmeter to check AC leakage.

1.5 k

Ω

0.15 µF

AC
Voltmeter
(0.75 V)

To Exposed Metal
Parts on Set

Earth Ground

SAFETY CHECK-OUT

HMD-A440(E) 3

WARNING!!
NEVER TURN ON THE POWER IN A CONDITION IN WHICH THE
DEGAUSS COIL HAS BEEN REMOVED.

SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE
SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS
LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS AP­PEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB­LISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE CRITICAL
FOR SAFE OPERATION ARE IDENTIFIED IN THIS MANUAL. FOL­LOW THESE PROCEDURES WHENEVER CRITICAL COMPO­NENTS ARE REPLACED OR IMPROPER OPERATION IS SUS­PECTED.

AVERTISSEMENT!!
NE JAMAIS METTRE SOUS TENSION QUAND LA BOBINE DE
DEMAGNETISATION EST ENLEVÉE.

ATTENTION AUX COMPOSANTS RELATIFS À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE TRAME ET UNE MARQUE
! SONT CRITIQUES POUR LA SÉCURITÉ. NE LES REMPLACER QUE
PAR UNE PIÈCE PORTANT LE NUMÉRO SPECIFIÉ. LES RÉGLAGES
DE CIRCUIT DONT L’IMPORTANCE EST CRITIQUE POUR LA
SÉCURITÉ DU FONCTIONNEMENT SONT IDENTIFIÉS DANS LE
PRÉSENT MANUEL. SUIVRE CES PROCÉDURES LORS DE
CHAQUE REMPLACEMENT DE COMPOSANTS CRITIQUES, OU
LORSQU’UN MAUVAIS FONCTIONNEMENT EST SUSPECTÉ.

HMD-A440(E) 4

POWER SAVING FUNCTION

This monitor meets the power-saving guidelines set by VESA, ENERGY

STAR, and NUTEK. If no signal is received by the monitor from your

computer, the monitor will automatically reduce power consumption as
shown below.

*

Power mode Power consumption (power)

indicator

normal operation ≤ 130 W green
active off* ≤ 3 W orange

power off 0 W (Approx.) off

1

When your computer is in active off mode, MONITOR IS IN POWER
SAVE MODE appears on the screen if you press any button on the
monitor. After a few seconds, the monitor enters the power saving
mode again.

HMD-A440(E) 5

DIAGNOSIS

Failre

Horizontal / Vertical Deflection failure,
(Included S-cap)

ABL protector

HV failure

Aging / Self Test

Out of scan range

Power LED

Amber → Off
(1.5 sec) (0.5 sec)

Amber → Off
(0.5 sec) (1.5 sec)

Amber → Off
(0.5 sec) (0.5 sec)

Amber → Off → Green → Off
(0.5 sec) (0.5 sec) (0.5 sec) (0.5 sec)

Green (OSD indication)

Aging Mode (Video Aging) : During Power Save, press MENU button for longer than 2 second.
Monitor Information and RGB bar : During Power Save, push CONT+ button for longer than 2 second.
ALL White : During Power Save, push CONT- button for longer than 2 second.

HMD-A440(E) 6

TIMING SPECIFICATION

MODE Primary Mode
MODE AT PRODUCTION

MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MODE 6 MODE 7 MODE 8 MODE 9

RESOLUTION

640 X 480 800 X 600 832 X 624 1280 X 1024 1024 X 768 720 X 400 640 X 480 1600 X 1200 1152 X 870

CLOCK

25.175 MHz 56.250 MHz 57.283 MHz 157.500 MHz 94.500 MHz 28.322 MHz 36.000 MHz 202.500 MHz 100.000 MHz
— HORIZONTAL —
H-FREQ

31.469 kHz 53.674 kHz 49.725 kHz 91.146 kHz 68.677 kHz 31.469 kHz 43.269 kHz 93.750 kHz 68.681 kHz
usec usec usec usec usec usec usec usec usec

H. TOTAL

31.778 18.631 20.111 10.971 14.561 31.777 23.111 10.667 14.560

H. BLK

6.356 4.409 5.586 2.844 3.725 6.355 5.333 2.765 3.040
H. FP 0.636 0.569 0.559 0.406 0.508 0.636 1.556 0.316 0.320
H. SYNC

3.813 1.138 1.117 1.016 1.016 3.813 1.556 0.948 1.280
H. BP

1.907 2.702 3.910 1.422 2.201 1.907 2.222 1.501 1.440
H. ACTIV

25.422 14.222 14.524 8.127 10.836 25.422 17.778 7.901 11.520
— VERTICAL —
V. FREQ (HZ)

59.940 Hz 85.061 Hz 74.550 Hz 85.024 Hz 84.997 Hz 70.087 Hz 85.008 Hz 75.000 Hz 75.062 Hz
lines lines lines lines lines lines lines lines lines

V. TOTAL

525 631 667 1072 808 449 509 1250 915

V. BLK

45 31 43 48 40 49 29 50 45

V. FP

10 1 1 1 1 12 1 1 3

V. SYNC

233332333

V. BP

33 27 39 44 36 35 25 46 39

V. ACTIV

480 600 624 1024 768 400 480 1200 870
— SYNC —
INT(G)

NO NO NO NO NO NO NO NO NO
EXT (H/V) /POLARITY

YES N/N NO P/P YES N/N YES P/P YES P/P YES N/P YES N/N YES P/P YES N/N

EXT (CS) /POLARITY

NO NO NO NO NO NO NO NO NO
INT/NON INT

NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT

HMD-A440(E) 7

1. DISASSEMBLY

1-1. Cabinet Assembly Removal ................................. 1-1

1-2. A AND D Boards Removal ................................. 1-2

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

1-4. H1 AND J Boards Removal ................................. 1-4

1-5. Picture Tube Removal ......................................... 1-5

2. SAFETY RELATED ADJUSTMENT ................ 2-1

3. ADJUSTMENTS ...................................................... 3-1

4. DIAGRAMS

4-1. Block Diagrams .................................................... 4-1

4-2. Frame Schematic Diagram.................................... 4-3

4-3. Circuit Boards Location ........................................ 4-4

4-4. Schematic Diagrams and Printed Wiring

Boards ................................................................... 4-5

(1) Schematic Diagram of A Board ........................... 4-7

TABLE OF CONTENTS

Section Title Page Section Title Page

(2) Schematic Diagrams of D (a, b, c, d) Board

.............................................................................. 4-9

(3) Schematic Diagram of H Board ........................... 4-14

(4) Schematic Diagram of J Board ............................ 4-16

(5) Schematic Diagram of L Board ........................... 4-17

4-5. Semiconductors .................................................... 4-18

5. EXPLODED VIEWS .............................................. 5-1

5-1. Cabinet ................................................................. 5-2

5-2. Chassis ................................................................. 5-3

5-3. Picture Tube ......................................................... 5-4

5-4. Packing Materials ................................................. 5-5

6. ELECTRICAL PARTS LIST ............................... 6-1

HMD-A440(E) 1-1

SECTION 1

DISASSEMBLY

1-1. CABINET ASSEMBLY REMOVAL

5 T wo screws
(+BVTP 4x8)

4 Eight screws
(+BVTP 4x8)

1 T wo screws
(+BVTP 4x16)

2 T wo screws
(+BVTP 4x16)

3 Cabinet

Cover cable

Release top claws-insert the tip of a flathead
screwdriver approximately 0.25" to unlock the
crew. Gently lift up and then back to remove
the cabinet.

Bezel

EMI
shield

Cabinet

6 Release from
four claws

Base shassis

HMD-A440(E) 1-2

1-2. A AND D BOARDS REMOVAL

4 A board

6 D board

3 Cable holder

5 Eight screws

(+BVTP 3x8)

1 One screw
(+BVTP 3x8)

2 T wo screws
(+BVTP 3x8)

Cable assy

HMD-A440(E) 1-3

1-3. SERVICE POSITION

D board

A board

1

3

2

HMD-A440(E) 1-4

1-4. H1 AND J BOARDS REMOVAL

1 Three screws
(+BVTP 3x10)

5 Screw (+BVTP 3x12)

2 Bracket

3 H Board

6 J Board

4 Joystick

Cushion

Picture tube

HMD-A440(E) 1-5

1-5. PICTURE TUBE REMOVAL

6 Stand assy

5 T wo screws

(+BVTP 4x16)

9 Two extention spring

4 A board

3 CRT shield

9 Degaussing coil

!- Neck assembly

!= Deflection yoke

7 Four screws

(Tapping screws 5)

2 Four screws
(+BVTP 4x8)

1 Anode cap

Cushion

7 Picture tube

HMD-A440(E) 1-6

3When one side of the rubber cap is

separated from the anode button, the
anode-cap can be removed by turning up
the rubber cap and pulling up it in the
direction of the arrow c.

•HOW TO HANDLE AN ANODE-CAP

1Don’t scratch the surface of anode-caps with sharp shaped

material!

2Don’t press the rubber hardly not to damage inside of anode-

caps!
A material fitting called as shatter-hook terminal is built in the
rubber.

3Don’t turn the foot of rubber over hardly!

The shatter-hook terminal will stick out or damage the rubber.

•REMOVAL OF ANODE-CAP

NOTE: 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.

•REMOVING PROCEDURES

1Turn up one side of the rubber cap in the

direction indicated by the arrow a.

2Using a thumb pull up the rubber cap

firmly in the direction indicated by the
arrow b.

a

b

c

Anode Button

HMD-A440(E) 2-1

Part Replaced ([)

RV501

SECTION 2

SAFETY RELATED ADJUSTMENT

When replacing or repairing the shown below table, the following operational
checks must be performed as a safety precaution against X-rays emissions
from the unit.

* Confirm one minute after turning on the power.

• HV Protector Circuit Check

Using an external DC Power Supply, apply the voltage shown below
between cathode of D517 on D board and GND, and confirm that the
HV HOLD DOWN circuite works. (TV Raster disappears)

Standard voltage : 35.70

V DC

Check Condition

• Input voltage : 120 ± 2 V AC

• Input signal : Cross hatch (white lines on black) at
69kHz (Primary Mode)

• Beam control : CONT, BRT ; minimum "0 "

• Beam Current Protector Check

An ammeter in series between FBT 11 pin on D board and GND, then,
decrease gradually the resistance of the variable resistor from
maximum to minimum, and confirm that the Beam Current
Protector Circuite works (TV Raster disappears). The current must
be within the range shown below.

• Standard current : 1.70

mA

Check Condition

• Input voltage : 120 ± 2 V AC

• Input signal : Cross hatch (white lines on black) at 69kHz

• Beam control : CONT, BRT ; minimum "0"

+0.00

- 0.02

+0.00

- 0.10

HV ADJ

HV Regulator
Circuit Check

HV Protector
Circuit Check

Beam Current
Protector Circuit

Check

Part Replaced (])

D board IC501, C532, C534,

C539, C553, C554,
C555, C556, C558,
C561, R540, R541,
R542, R544, R564,
R567, R568, RV501,

T501 (FBT)
D board IC607, IC901, D515,
D517, C540, C542,
C544, C951, R510,

R543, R547, R549,
R552, R595,

T501 (FBT)
D board IC605,IC607,IC901,
C535, C541,R545,
R546, R548,R550,
R596, R934,

T501 (FBT)

HMD-A440(E) 2-2

• B+ Voltage Check

Standard voltage : 179.0 ± 3.0 V DC

Check Condition

• Input voltage : 120 V AC
Note :Use NF power supply or make sure that distortion factor is

3% or less.

• Input signal : Cross hatch (White lines on black) at 68.7 kHz

• Beam control : CONT : 255 (max), BRT : 255 (max)

HMD-A440(E) 3-1

SECTION 3

ADJUSTMENTS

•Landing Rough Adjustment

1. Enter the full white signal. (or the full black dots signal)

2. Set the contrast to “CONT”=MAX.

3. Make the screen monogreen.
Note: Off the outputs from R ch and B ch of SG.

4. Reverse the DY, and adjust coarsely the purity magnet so that a green
raster positions in the center of screen.

5. Adjust the "H.CENTER" with the H CENTER Switch. (S501 on the D
board)

6. Moving the DY forward, adjust so that an entire screen becomes
monogreen.

7. Adjust the tilt of DY, and fix lightly with a clamp.

Note:“TILT” shall be set at 0

•Landing Fine Adjustment

1. Put the set inside the Helmholtz coil.

2. Set the TLH to the Zero position.

3. Receive the single green signal.

4. Demagnetize the CRT surface with the hand degausser , and perform auto

degaussing.

5. Attach the wobbling coil to the designated part of the CRT neck.

6. Attach the sensor of the landing adjustment unit on the CRT surface.

7. Adjust the DY position and purity, and the DY tilt.

8. Fasten DY with screw.
Note:Torque 22 ±2kgcm (2.2 ± 0.2 Nm)

Perform auto degaussing.

Purity Magnet <<Zero Position>>

L/D control specification

± 3 ± 7.5 ± 3
± 3 ± 7.5 ± 3
± 5 ± 7.5 ± 3

Purity magnet position

± 3

HMD-A440(E) 3-2

9. Adjust each top and bottom pins by two wedges and then not swing DY
neck right and left. (When fixing DY with wedges, insert wedges
completely so that the DY does not shake.)

10. Adjust the top and bottom pins with the TB.PIN VR complettely. And

ajust the V.Size simulation.

11. Adjust the V.key (=H.Trapxoid) with the H-Trp VR so that [a] become

equol to the [b]

12. If the corner is not within the standards, adjust disc magnet to satisfy L/D

adjustment standards.
Note:
(1) When necessary to paste magnets more than 2 pieces, be careful that the

convergence and the distortion would be alterable.
(2) Paste within 80 to 120 mm from the DY on the diagonal line of the mag-

net.

a

b

cd

"a" and "b" must be equal.

c

d

13. If using the magnet, be sure to demagnetize with the degausser and
check.

14. Remove the sensor and wobbling coil.

15. Fix the purity magnet paisted on the DY with the white pen.Fix it with
the RTV.

•Convergence Rough Adjustment

1. Enter the white crosshatch signal (white lines on black).

2. Adjust roughly the horizontal and vertical convergence at four-pole
magnet.

3. Adjust roughly HMC and VMC at six-pole magnet.

•Convergence Adjustment

< Static convergence >

1. Change the "CONV SW" to 0.

2. Receive the crosshatch of R and B. (on black)

3. Adjust H. STAT and V. STAT with 4 pole magnet.

4. Recieve the white crosshatch signal.(White line on black)

5. Adjust HMC and VMC with the 6 pole magnet.

6. Recieve the crosshatch of R and B. (on black)

Note: Adjust H. STAT and V. STAT in the beggining by 4 pole magnet not

adjust them by register immediately.

HMD-A440(E) 3-3

7. If necessary, the 3-6 procedures.

8. Change the "CONV SW" to 6. then set the following registers to 0.
"YBH_T_HI", "TBH_T_LO"
"YBH_B_HI", "YBH_B_LO"
"VSTAT_T_HI", "VSTAT_T_LO"
"VSTAT_B_HI""VSTAT_B_HI"

9. Adjust the H Static and V Static with the register "HSTAT_HI" and
"VSTAT_HI". (These registers should be within the limit between -40
and +40.)

10. Insert to TLH correction board and correct H. TILT.

11. Adjust XCV with the XCV volume.

12 Adjust YCH with the YCH volume.
13 Adjust V. TILT with the TLV-VR.

14. If necessary, repeat the 1-13 procedures to get the most suitable conver­gence pattern.

15. Paint lock TLH corection board, neck assy 4, 6 pole magnet and XCV
volume.

Purity Mg

4-pole Mg

6-pole Mg

XCV

YCH

H-Trap

TLH

TLV

TB, Pin VI

4 Pole 6 Pole

[ Neck Assy's Zero Position ]

Purity

B

R

RB

R
B

B
R

R

B B

R

XCV YCH

TLV

TLH

B

A

A

0.20 mm

B

MODE All mode

0.24 mm

•White Balance Adjustmen Specification

(1) 9300K

Part of shadow line
for the right figure.

(2) 5000K

Part of shadow line
for the right figure.

•Convergence Specification

VR

x = 0.283
y = 0.298

0.005

0.005

x = 0.346
y = 0.359

0.005

0.005

HMD-A440(E) 3-4

Connect the communication cable of the computer to the connector located on the D board. Run the service software and then follow the instruction.

IBM AT Computer

as a Jig

1-690-391-211A-1500-819-A

Interface Unit

2

*The parts above ( ) are necessary for DAS adjustment.

1

3

D-sub
(9 Pin [female])

mini Din
(8Pin)

4 Pin

3-702-691-01
Connector Attachment

3

To BUS CONNECTOR

4 Pin 4 Pin

• Vertical and Horizontal Position and Size Specification • Focus rough adjustment

1. Receive the mE pattern signal. (black characters on green)

2. Adjust the H FOCUS of the screen corner with Fcous VR in the bottom of
the FBT.

3. Receive the cross-hatch pattern signal .(green line on black)

4. Adjust the V FOCUS of the center and the y-axis with the FOCUS VR in
the top of FBT.

A

352 mm

B

MODE All mode

264 mm

a 1.8 mm
b 1.8 mm

a

B

A

b

FBT

Focus volume 1 (V)

Focus volume 2 (H)

G2 VR

HMD-A440(E) 4-1

SECTION 4
DIAGRAMS

4-1. BLOCK DIAGRAMS

+180V1
2
3

CN304

NC

+80V

4

GND

5

H1

6

+12V

7

GND

8

+5V

9

STBY +5V

TO
D BOARD
CN606

C

TO
D BOARD
CN512

H

GND1
2
3

CN302

BLUE

GND
4

GREEN

5

GND
6

RED

1

1.2KV

CN301

11

9

8

1

3

5

IC002

VIDEO OUTPUT

J001

B OUT

G OUT

R OUT

B IN

G IN

R IN

KB

KG

KR

G2

H

7

9

11

10

27

24

20

IC001

RGB PRI AMP

B OUT

G OUT

R OUT

3

B BKG

4

G BKG

5R BKG

13

B OSD

14G OSD
15 R OSD

17 OSD BLK

B IN

G IN

R IN

SYNC IN

1

SDA

2

SCL

18

BLK

12

CLAMP

7
8

10

12

15
14

OSD BLK

R OSD

G OSD

13 B OSD

SDA
SCL

V FLB

5

H FLB

5
4
3

9
8
7

IC004

RGB CUT - OFF AMP

IC003 OSD

B OUT
G OUT
R OUT

B IN
G IN
R IN

TO
D BOARD
CN902

D

6
5
4
3

IIC SDA

IIC SCL
BPCLP

INV.
Q006

CBLK

2

VR TRC

1

HR TRC

9

8

7

4

10

(VIDEO OUTPUT, OSD)

A

7

8

GND

CSYNC

CN309

30

C.SYNC

SIGNAL IN

HD15

(PIG-TAIL)

13

14

11

12

15

9

10

7

6

8

3

4

1

2

5

HMD-A440(E) 4-2

1

+5V

S2001

KEY MATRIX

PB4

X901
24MHz

SDA
SCL

H IN
V IN

X5

PA5
PA6

RDI

CBLK
CLP
SCL

SDA

PB7

PB6

RESET

DA8

DA6

V IN

OOB

10

11
12

13

14

15

16

17

18

1

OUT

2

DA5

TDO

OSC OUT

OSC IN

HSO

ITA

HFB
DA3
PFV
PB1

PB3
DA1

DRIVER

7

6

5

4

1

2

4

CTL

VCC

VADJ

3

VCRL

I SENSE

IREF

DS

GND

DEM

V AUX

H OUT

H FLY

V SAW

V SIN
V DIV

LOCK

V DF

E/W

X902

IC901 CPU

IC902 DEF CONTR0L

1

3
4

2

5
6
7
8

HRTRC
VRTRC

CBLK
BPCLP
IICSCL

GND

IISDA
CSYNC

1

3
4

2

5
6
7
8
9

+180V

CN606

IC602

HEATER OUT

NC
+80V
GND

H1
+12V
GND
+5V

SRBY +5V

1

3
4

2

D GND

CN902

IC904 RESET

RY601

+12V

RELAY
DRIVE

Q601

TH601

F601

S601

TH600

D620

D605

IC604 ERROR AMP

D615

IC605

+12V REG

IC608

+5V REG

D622

D614

D618

D617

D611

D613

IC607

+5V REG

D612

LF602

LFT

D601

AC RECT

IC601

SW REG CONT

IC603

POWER

SWITCHING

Q602

CN600

IC905 EEPROM

STBY
+5V

CN901

STBY +5V

RXD

TXD

1

3

L43

12

G
N

+180V

+80V

+12V

+5V-4
STBY +5V

+5V-4

+12V

-15V

STBY +5V

+15V

+80V

+180V

2

DGC 2

NC

DGC 1

2
1

THP600A

CN602

CN601

THP600

G11

5
4

NC

6

H DY+

H -DY

V-DY

CN501

CN510

H DY-

3

NC

2

V DY-

1

V DY+

ROTATION+

CY-DY

CN701

ROTATION

1
2
3

ROTATION-

CY1+

4

CY1-

5

CY2+

6

CY2-

7

CY3+

8

CY3-

9

CY4+

10

CY4-

15
48
47

44

45

38
39

46
22
36

37

12

13

CSI

28

54

9

7

8

5

5

7

4

6

6

4

I O

I O

5

7
6

13

11

3 1

I O

8

1

2

4

5

9

14

2

DA2

OUT

WC

AC IN

DGC

3

16

18

19

4

32

23

27 26

4

3

29

12

64

82

84

52

31

5

2

51

9

17

14

8 1 5

7 3

3

23

2
8
4

10
27

2

28

24 22

20

19

18

13
14

12

HV

13
16

FV1

15

14

FV2

12

1

6
54

16
17
14

2

3

5

4 3

1
2

76
9
8

9

8

7

6

2

10
3

1

1

2 4

BUFF
Q505

DF AMP

Q504

H DRIVE
Q501,502

H DRIVE

OUT
Q511

S-CAP CHANGE

Q512-516

H OUT
Q507

L503
HOC

BUFF

­+

+

+

-

-

­+

­+

IC501 PWM CONTROL

AMP

REF

RV501

HV
ADJ

ABL

D515

D522

D523

TO
PICTURE TUBE

FOCUS

FOCUS

HV REG OUT

Q510

CHOPPER

Q503

T501 FBT

2

1

7

6

SYNC LOCK

Q506

D517

H FLY
BUFF
Q525

S0-S4

IC502 ROTATION DRIVE

IC702

D CONVERGENCE OUT

IC701 CONVERGENCE CONTROL

IC703

S CONVERGENCE OUT

T504
HDT

T503

DFT

T505

HST

BUFF
Q521

H REG
Q520

S0-S4

H BLK
BUFF

Q508

H AMP

Q903

IC401 V OUT

OUT

OUT

STBY5V

OUT B

-IN B

OUT A

-IN A

V CONV OUT

H CONV OUT

H STATIC OUT

V STATIC OUT

-IN A

I OUT A

OUT A

-IN B

I OUT B

OUT B

FB

-IN

+IN

+IN

STBY
+IN B

+IN A

SDA
SCL
HD IN
VS IN

V POS IN

V REF OUT

+IN A

+IN B

+IN

VCC

VCC
SDA
SCL

49
53

PA0
PA4

OVP/OCP

Q604

T601
SRT

REG SW

Q603

CONVERGENCE CONTROL,
DEFLECTION, CPU,
POWER SUPPLY

D

TO
A BOARD
CN306

E

TO
A BOARD
CN304

C

TO
A BOARD
CN309

D

(USER CONTROL, LED)

H

11

STBY 5V

STBY 5V

VSD

26

PD3

25

BUFF
Q901

+5V

+12V

4

10

Q605,612

4

D510

LF506
LCT

710

25

+12V

D505

L508/HLC

CHOPPER

Q519

L510
HCC

9

TO
A BOARD
CN301

H

NC

4

CN512

1

3
4

2

5

STBY ON

CN607

STBY CNT
STBY OFF
MAIN ON
MAIN CNT

1
2
3
4
5

(UP-SW)

J

CN1002

DGC

D526

D528

S501

D520

D521

H.CENTER

CN904

3

4

2

5

6

7

8

LCC RF
LCC NS

DEGAUSS SW

STBY 5V

GND

KEY
LED RED
LED GRN

CN2001

LCC RF
LCC NS

DEGAUSS SW

STBY 5V

GND

KEY
LED RED
LED GRN

Q2001

D2010

+5V

1
2

STBY ON

STBY CNT

1
2

(LCC CONTROL)

L

CN1002

OUT

CTL

VCC

VADJ

IC1001

LCC CONTROL

4

6

9

2

1

THP600A

CN1001

THP600

5

LCC COIL

CN1608

1

3

4

2

5

6

7

8

D609

S901
POWER

SW

HMD-A440(E) 4-3

4-2. FRAME SCHEMATIC DIAGRAM

AC IN

D

HV

DEFLECTION,CPU,
CONVERGENCE CONTROL,
POWER SUPPLY

B-SS3608<UC.>-KESSENZU

H

G1

G2

HG

RGB

PICTURE

TUBE

1 1.2KV

65432

1

N/C

MAIN CNT

MAIN ON

STBY OFF

STBY CNT

STBY ON

54321

MAIN CNT

MAIN ON

STBY OFF

STBY CNT

STBY ON

CN309

8P

8765432

1

CSYNC

IICSDA

GND

IICSCL

BPCLP

CBLK

VRTRC

HRTRC

CN304

9P

WHT

987654321

STBY 5V

+5V

GND

+12VH1GND

+80VNC+180V

CN606

9P

WHT

987654321

STBY 5V

+5V

GND

+12V

H1

GND

+80V

NC

+180V

CN902

8P

8765432

1

CSYNC

IICSDA

GND

IICSCL

BPCLP

CBLK

VRTRC

HRTRC

J

H

A

CN607

5P

CN904

9P

987654321

LCC RF

LCC NS

Degauss SW

STBY 5V

GND

KEY

LED RED

LED GRN

INPUT SEL SW

CN2001

8P

8765432

1

LCC RF

LCC NS

Degauss SW

STBY 5V

GND

KEY

LED RED

LED GRN

1
2
3
4
5
6
7
8
9

10

ROTATION+
ROTATION–

CY1+
CY1­CY2+
CY2­CY3+
CY3­CY4+
CY4-

CN701

10P

WHT

:S-MICRO

ROTATION

V DY

H DY

CN501

6P
WHT
:VH

1
2
3
4
5
6

V DY+
V DY–

NC

H DY–

NC

H DY+

CN602

2P

1
2

TH 600

THP 600A

DGC

1
2
3
4

DGC2
NC
NC
DGC1

CN601

4P

CN600

3P

1
2
3

AC L
NC
AC N

1
2
3
4

D GND
STBY 5V
RXD
TXD

CN901

4P

S-MICRO

TO ECS

1
2
3
4
5
6

B.GND
BLUE
G.GND
GREEN
R.GND
RED

CN901

5P

CN302

6P

CN301

1P

1 TAB

CN307

1P

(P-SW)

(

VIDEO OUTPUT, OSD

)

(

USER CONTROL, LED

)

L

CN608

15P

1514131211

10

987654321

GND

GND

GND

GND

GND

N.C

N.C

N.C

N.C

N.C

GND

GND

GND

LCC RF

LCC NS

CN1003

15P

1514131211

10

987654321

GND

GND

GND

GND

GND

N.C

N.C

N.C

N.C

N.C

GND

GND

GND

LCC RF

LCC NS

(

LCC

)

CN512

1P

SIGNAL IN
HD-15
(PIG-TAIL)

1

2

3

4

5

678910

11

12

13

14

15

LCC

CN1001

6P

1
2
3
4
5
6

LCC+

N.C
LCC–
+15V
GND
–15V