Sony GDM-F520, CR1 Service Manual

GDM-F520

SERVICE MANUAL

SPECIFICATIONS

CRT

0.22 mm aperture grille pitch, 90-degree deflection, FD Trinitron
21 inches measured diagonally

Viewable image size

Resolution (H:Horizontal, V:Vertical)

Input signal levels

Video signal: Analog RGB: 0.700 Vp-p (positive), 75 Ω
SYNC signal: H/V separate or composite sync:

Standard image area

Deflection frequency (H:Horizontal, V:Vertical)

Approx. 403.8 × 302.2 mm (w/h) (16 × 12 inches)

19.8" viewing image

Maximum: H: 2048 dots, V: 1536 lines
Recommended: H: 1600 dots, V: 1200 lines

TTL 2 kΩ, Polarity free
Sync on Green: 0.3 Vp-p (negative)

Approx. 388 × 291 mm (4:3)

3

/8 × 11 1/2 inches) or

(15
Approx. 364 × 291 mm (5:4)

3

/8 × 11 1/2 inches)

(14

H: 30 to 137 kHz, V: 48 to 170 Hz

AC input voltage/current

Power Consumption (with no USB devices connected)

Operating temperature
Dimensions Approx. 497 × 499 × 487 mm (w/h/d)
Mass Approx. 30 kg (66 lb 2 oz)

Plug and Play DDC2B/DDC2Bi
Supplied accessories

Design and specifications are subject to change without notice.

AEP Model

US Model

Canadian Model

Chassis No. SCC-L33D-A

CR1

100 to 240 V, 50 – 60 Hz, 2.0 – 1.0 A

Approx. 145 W

10 ºC to 40 ºC

5

(19

/8 × 19 3/4 × 19 1/4 inches)

Power cord
HD15 video signal cable
USB cable
Exclusive Power Mac G3/G4 adapter
This instruction manual

CHASSIS

TORINITORON

®

COLOR GRAPHIC DISPLAY

SAFETY CHECK-OUT

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.

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 WT­540A. 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)

To Exposed Metal
Parts on Set

0.15 µF

1.5 k

Ω

AC
Voltmeter
(0.75 V)

Earth Ground

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

GDM-F520(E) 2

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

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

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.

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.

Note:Hand degauss

must be used on stand-by or power-off condition.
This model has an automatic earth magnetism correction function
by using an earth magnetism sensor and a LCC coil. When using a
hand degauss while monitor (LCC coil) is being operated, it some­times gets magnetized, and the system may not work properly as a
result.

GDM-F520(E) 3

POWER SAVING FUNCTION

This monitor meets the power-saving guidelines set by VESA, TCO’99,
and ENERGY STAR. If no signal is input to the monitor from your
computer, the monitor will automatically reduce power consumption as
shown below.

Power mode Power consumption*

normal operation ≤ 145 W green
active off*

(deep sleep)*

1

*

Figures reflect power consumption when no USB compatible
peripherals are connected to the monitor.

2

When your computer enters power saving mode, NO SIGNAL appears

*

on the screen. After a few seconds, the monitor enters power saving
mode.

3

“Deep sleep” is power saving mode defined by the Environmental

*

Protection Agency.

2

3

≤ 3 W orange

1

! (power)
indicator

GDM-F520(E) 4

DIAGNOSIS

Failre

+B failure

Horizontal / Vertical Deflection failure,
Thermal protector

ABL protector

HV failure

Aging / Self Test

Out of scan range

Aging Mode (Video Aging) : During Power Save, press MENU button for longer than 2 second.
Self Test (OSD Color Bar) : During Power Save, push up Control button for longer than 2 second.
Reliability Check Mode : During Power Save, push down Control button for longer than 2 second.

Amber → Off
(0.5 sec) (0.5 sec)

Amber → Off
(1.5 sec) (0.5 sec)

Amber → Off
(0.5 sec) (1.5 sec)

Amber → Off → Amber → Off
(0.25 sec) (0.25 sec) (0.25 sec) (1.25 sec)

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

Green (OSD indication)

Power LED

GDM-F520(E) 5

TIMING SPECIFICATION

MODE AT PRODUCTION
RESOLUTION
CLOCK
— HORIZONTAL —
H-FREQ

H. TOTAL
H. BLK
H. FP 0.636 0.279 0.457 0.485
H. SYNC
H. BP
H. ACTIV
— VERTICAL —
V. FREQ (HZ)

V. TOTAL
V. BLK
V. FP
V. SYNC
V. BP
V. ACTIV
— SYNC —
INT(G)
EXT (H/V) /POLARITY
EXT (CS) /POLARITY
INT/NON INT

MODE 1 MODE 2 MODE 3 MODE 4

640 X 480 1600 X 1200 1920 X 1440 1920 X 1440

25.175 MHz 229.500 MHz 341.000 MHz 297.000 MHz

31.469 kHz 106.250 kHz 128.485 kHz 112.500 kHz
usec usec usec usec

31.778 9.412 7.783 8.889

6.356 2.440 2.152 2.424

3.813 0.837 0.622 0.754

1.907 1.325 1.073 1.185

25.422 6.972 5.630 6.465

59.940 Hz 85.000 Hz 84.977 Hz 75.000 Hz
lines lines lines lines

525 1250 1512 1500

45 50 72 60
10 1 1 1

233 3

33 46 68 56

480 1200 1440 1440

NO NO NO NO

YES N/N YES P/P YES P/P YES N/P

NO NO NO NO

NON INT NON INT NON INT NON INT

2000.8.9 VER.

GDM-F520(E) 6

TABLE OF CONTENTS

Section Title Page Section Title Page

1. DISASSEMBLY

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

1-2. A2 Board (C Block) Removal .............................. 1-2

1-3. A2 Board, US Board Removal ............................. 1-3

1-4. Bezel, H2 Board, Magnetic Sensor Removal ....... 1-4

1-5. D Board Removal ................................................ 1-5

1-6. Service Position .................................................... 1-6

1-7. Picture Tube Removal........................................... 1-7

1-8. Harness Location ................................................. 1-9

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

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

(1) Schematic Diagram of A2 Board ......................... 4-8

(2) Schematic Diagrams of D (a, b, c) Board .... 4-10

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

(4) Schematic Diagram of H2 Board ......................... 4-16

(5) Schematic Diagram of L2 Board ......................... 4-18

(6) Schematic Diagram of N Board ............................ 4-20

(7) Schematic Diagram of US Board.......................... 4-22

4-5. Semiconductors .................................................... 4-24

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

5-1. Chassis ................................................................. 5-2

5-2. Picture Tube ......................................................... 5-3

5-3. Packing Materials ................................................. 5-4

4. DIAGRAMS

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

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

4-3. Circuit Boards Location........................................ 4-5

4-4. Schematic Diagrams and Printed Wiring

Boards ................................................................... 4-6

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

GDM-F520(E) 7

1-1. CABINET ASSEMBLY REMOVAL

Push in the tip of a screwdriver
about 10mm to unlock the claw.

Cabinet assembly

4

Four screws
(+BVTT 4 x 8)

Bezel

Bezel

22

Two claws

SECTION 1

DISASSEMBLY

Cabinet assembly

A

3

Push the upper side of the cabinet assembly
in the direction of arrow , disconnect claws,

A

then remove the cabinet assembly
lifting it up in the direction of arrow .

B

7

EMI shield

5

Three screws
(+BVTT 4 x 8)

EMI shield

B

1

Two screws
(+BVTP 4 x 16)

C

6

Slide the EMI shield in the direction
of arrow and remove four claws.

C

GDM-F520(E) 1-1

1-2. A2 BOARD (C BLOCK) REMOVAL

CN318

GND

CN315

1

A2 board (C block)

GDM-F520(E) 1-2

1-3. A2 BOARD, US BOARD REMOVAL

7

Video case

9

Terminal board
assembly

6

Two screws (HEX)

10

A2 board

3

Four screws
(+BVTP 3 x 8)

CN313

4

Video shield

5

8

Two screws
(+BVTT 3 X 8)

Screw
(+BVTP 3 X 8)

CN2601

CN315

1

Two screws
(+BVTT 4 x 6)

2

Video block assembly

11

Screw (+BVTT 4 x 8)

13

Five screws
(+BVTT 3 x 8)

12

USB block assembly

15

US board

14

USB case

GDM-F520(E) 1-3

1-4. BEZEL, H2 BOARD, MAGNETIC SENSOR REMOVAL

Before removing the bezel assembly, secure

1

the picture tube by attaching two screws to
the picture tube shield at the positions shown
with an arrow (diagonal two places) to prevent
the picture tube from falling.
(Use the screws +BVTT 4 x 8 that fix EMI shield.)

Picture tube shield

4

Screw
(+BVTP 4 x 16)

3

Bezel

11

5

Three screws
(+BVTP 3 x 10)

L1 bracket

CN1500

2

Four tapping screws (5)

4

Screw (+BVTP 4 x 16)

7

Input selector

8

Menu button

6

CN1400

CN1401

Control panel assembly

9

H2 board

12

Magnetic MIU-221D
sensor

10

Lifting up two claws
in the direction of arrow.

GDM-F520(E) 1-4

1-5. D BOARD REMOVAL

4

Two screws
(+BVTP 3 x 10)

6

Five screws
(+BVTP 3 x 10)

CN315

3

Video block assembly

Connector (4P)

Connector (4P)

GND

1

CN318

A2 board
(C block)

CN1601

CN605

CN701

CN601

CN1600

CN1103

CN1003

CN501

5

Rear plate assembly

GND

7

D board

4

Screw (+BVTP 3 x 10)

CN602

2

Two screws
(+BVTT 4 x 6)

GDM-F520(E) 1-5

1-6. SERVICE POSITION

1

Remove the D board.

2

Remove the Video block assembly.

3

Install the Adaptor board
(XT MOUNT) (A-1391-123-A).

4

Lay the Video block assembly.

Video block assembly

2

4

3

D board

1

5

Install the video block assembly.

Video block assembly

6

Put a box which is about 15cm in height
under the D board to fix it.

D board

Box

GDM-F520(E) 1-6

1-7. PICTURE TUBE REMOVAL

1

Anode cap
(Refer to page 1-8)

3

Neck assembly

CN7

GND

2

A2 board
(C block)

4

Picture tube

CN3

CN2

CN1

GDM-F520(E) 1-7

•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

b

a

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.

•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.

c

Anode Button

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.

CPD-G520(E) 1-8

1-8. HARNESS LOCATION

CN319

CN303

CN316

CN318

A2 board

CN320

CN315

AC inlet

CN312 CN311

CN601

CN604 CN1102

CN602

CN1103

CN605

CN904

CN1003

CN501

CN2601

CN1601

US board

CN1600

CN701

CN1602

Picture tube

4P

H2 board

CN1

CN3

CN1

CN1500

CN1401

CN1400

Magnetic sensor

4P

5P

GDM-F520(E) 1-9

N board

D board

L2 board

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.

Part Replaced ([)

RV901HV ADJ

Part Replaced (])

HV Regulator
Circuit Check

HV Protector
Circuit Check

D Board C925, IC901, R901, R902, R905,

R924, R925, R926, RV901, T901
(FBT)

• Mounted D Board

D Board C920, C923, D911, D912, R903, R917,

R918, R919, R920, R923, T901 (FBT)

• Mounted D Board

N Board IC1001, RB1001

a) HV Regulator Circuit Check

1) Turn the RV901 slowly, and adjustment so that high voltage is in the
specified range.
[Specification]: 27.00 ± 0.05 kV

2) Check that the voltage of D912 cathode on the D board is 17.0 V or
more.

b) HV Protector Circuit Check

1) Using external DC Power Supply, apply the voltage shown below
between cathode of D912 and GND, and check that the RASTER
disappers.
[Specification]: 19.95 + 0.00/– 0.05 V

c) Beam Current Protector Circuit Check

1) Connect constant current source to a section between T901 (FBT) qa
pin and GND, and check that the RASTER disappers when the

• Mounted N Board

Beam Current
Protector Circuit
Check

* Confirm one minute after turning on the power.

D Board C930, D917, R921, R932, R933, R935,

T901 (FBT)

• Mounted D Board

N Board IC1001, RB1001

• Mounted N Board

specified current flows to the qa pin.
[Specification]: 2.12 + 0.00/– 0.01 mA

GDM-F520(E) 2-1

SECTION 3

ADJUSTMENTS

Note: Hand degauss must be used on stand-by or power-off condition.

This model has an automatic earth magnetism correction function by using an earth magnetism sensor and a LCC coil.
When using a hand degauss while monitor (LCC coil) is being operated, it sometimes gets magnetized, and the system may
not work properly as a result.

•Landing Rough Adjustment

1. Display all white pattern (or black dot pattern).

2. Set contrast to 255.

3. Display green plain pattern.

4. Side back DY and roughly adjust green plain pattern to be centered on
the useful screen with Purity Magnet.

5. Adjust DY tilt.

Note: Set ROTATION to 128 and LCC_NS to 128 when adjusting DY tilt.

6. LIghtly tighten the DY screw.

•Landing Fine Adjustment

Note: (1) After adjust W/B (9300k), measure the average of IK with all

white video input, while CONTRAST is maximum and
BRIGHTNESS is center. And adjustment shall be made so that
the miss-landing become least after aging 2H with the IK 30% of
measured value shown above.

(2) The magnetic field shall be BH = 0.

2. Set as follows;
LCC_SW = 0 (LCC Correction Current = 0)
FUNCTION_SW bit1 = (Auto Degauss = On)
CONTRAST = 255

3. Display green plain pattern.

4. Degauss the iron part of chassis with a hand degausser and degauss coil.

5. Degauss CRT face with a hand degausser again.

6. Input AC 230V to AC IN and turn the monitor off and on. Then auto­degauss works.

7. Reset FUNCTION_SW bit1 to 0 (auto-degauss = off)

8. Degauss CRT face with a hand degausser again.

9. Attach wobbling coil to the specified place on CRT neck.

10. Put on landing sensor to CRT face.

11. Set LCC_SW to 12.

12. With landing checker, adjust DY position, purity, DY center and
landing of the 4 corners.

13. Read VX and VY value which are the read out of magnetic sensor, and

(3) When adjusting at other than BH = 0, calculate the shifted value

from BH = 0.

1. Put the monitor in helmholz coil.

write to "LCC_VX_REF" and "LCC_VY_REF".

GDM-F520(E) 3-1

14. Adjust landing by LCC_NS, LCC_LT, LCC_LB, LCC_RT, and

16. Adjust the vertical angle of DY to make top and bottom pins equal (a =

LCC_RB. Adjustment of registers shall be limited within the following
range.
LCC_NS: 128 ± 15
LCC_LT, LCC_LB, LCC_RT, and LCC_RB: 128 ± 40

<Specifications>
Adjust so that the green is within
the specification given right.
4 corner adjust target : within ± 1

The red and blue must be within the
specification given right with re­spect to the green.

A difference between red and blue
must be within the specification
given right.

0 ± 3 0 ± 7.5 0 ± 3
0 ± 3 0 ± 7.5 0 ± 3
0 ± 3 0 ± 7.5 0 ± 3

± 6 ± 6 ± 6
± 6 ± 6 ± 6
± 6 ± 6 ± 6

10 10 10
10 7 10
10 10 10

(µm)

(µm)

(µm)

b). The horizontal angle shall not be changed (straight). Settle DY
upright without leaning, and insert wedges firmly so that DY shall not
move.

<How to place wedge>
Green plain crosshatch pattern

a

cd

b

Plaster RTV to both sides for the upper wedge.

Make sure that they settle inside DY.

a and b should be equal.
c and d should be equal.

Set LCC_SW to 13, and Perform Service Save.

15. Tighten DY screw within specified torque, and auto-degauss.
Note: Torque 22 ± 2 kgcm (2.2 ± 0.2Nm)

Plaster RTV to one side for other wedges.

17. Adjust top and bottom pins correction VR.

18. Adjust the horizontal trapezoid distortion by DY horizontal trapezoid
correction VR.

GDM-F520(E) 3-2

19. Check landing at each corner and in case not in specification, adjust
landing of 4 corners with "LCC_NS", "LCC_LT", "LCC_LB",
"LCC_RT", and "LCC_RB". The limitations of registers are shown
below.
LCC_NS: 128 ± 15
LCC_LT, LCC_LB, LCC_RT, and LCC_RB: 128 ± 40

20. Remove the sensor and wobbling coil.

21. Switch signals to R, G, and B, and then check that the pure colors have
good color purity.

22. Fix purity magnets with white paint.

GDM-F520(E) 3-3

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

D-sub
(9 Pin [female])

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

mini Din
(8Pin)

1

2

Interface Unit

3

•Convergence Rough Adjustment

(1) Display white crosshatch pattern.
(2) Pile the convex parts of 6-pole magnet for convergence together.
(3) Roughly adjust H.CONV and V.CONV with 4-pole magnet.

Purity

4-pole magnet
6-pole magnet
2-pole magnet

4 Pin

3-702-691-01

3

Connector Attachment

To BUS CONNECTOR

4 Pin 4 Pin

TLV

XBVXCV

B

R

R

B

TLH

R

BBR

YBHYCH

R
B

B
R

R B

R B

XCV

TLH

H.TRAP

TB-PIN

•Convergence Specification

B

V

A

A
B

0.20 mm

0.24 mm

GDM-F520(E) 3-4

•White Balance Adjustment Specification

•Focus adjustment

1. 9300 K
x = 0.283 ± 0.005
y = 0.298 ± 0.005

(All White)

2. 6500 K
x = 0.313 ± 0.005
y = 0.329 ± 0.005

(All White)

3. 5000 K
x = 0.346 ± 0.005
y = 0.359 ± 0.005

(All White)

•Vertical and Horizontal Position and Size

Specification

A

b

Adjust the focus volume 1 and 2 for the optimum focus.

Focus 1

Focus 2

FBT

b

a

a 1.8 mm
b 1.8 mm

MODE

B

a

A
B

4 : 3

388
291

GDM-F520(E) 3-5

4-1. BLOCK DIAGRAMS

SECTION 4

DIAGRAMS

5BNC

INPUT2

(BNC)

R

G

B

HD

VD

A

TO D BOARD
CN1102

D

TO D BOARD
CN1103

E

TO N BOARD
CN1003

TO MAGNETIC
SENSOR UNIT

INPUT1(HD15)

DDC GND1
DDC SCL1
DDC SDA1
DDC GND2
DDC SCL2
DDC SDA2
H BLK
INPUT SW
IIC SCL
IIC SDA
HS OUT
VS OUT
ECO SW

CN313

VD2
HD2

BLUE2

GREEN2

RED2

CN307
HD15

15

CN311

CN1400

WAKE UP

KEY SCAN

LED1
LED2

INPUT SW

T_AMB

CN1401

8
9
2
4
6

5

10

14

4

9

3

13

8

2

12

7

1

11

6

10
11
12

7
8
9
1
4

SCL

15

SDA

16

HS OUT

2

VS OUT

3

ECO SW

13

(VIDEO AMP, RGB OUT)

A2

2
3
4
5

8
12
13

VY

14

VX

3

VX

2

VY

H2

5

SDA

6

SCL

7

VCLK

IC007

ROM

Q1402

5V

TH1400

5V

S1403

INPUT1

INPUT2

(USER CONTROL)

IC006

INVERTER

12

34

56

11 10 9 8

S1401

PICTURE

MODE

LED DRIVE

LED DRIVE

Q1400

Q1401

S1400
MENU

2
4
6
7
8

10

12

14

15

16

13

18

G

A

IC008

INPUT SELECT

B2
G2
R2
V2
H2

B1
G1
R1
V1
H1
SW
H OUT

CONTROL /
CONTRAST

S1402

R OUT

G OUT

B OUT

SOG

SYNC IN

V OUT

19 21

D1400

POWER

25

28

31

23

22

G.SYNC

SCL
SDA

SCL
SDA
HS OUT
VS OUT
ECO SW

7

4

2

22
23

4

3
12
13
27
23
24
25

R IN

G IN

B IN

SCL
SDA

2

SCL
SDA
HS OUT
VS OUT
ECO SW
CS IN
VS IN
HS IN

F

TO D BOARD
CN1106

RGB PRE-AMP

OSD R

15 14 13 12

18 20 19 21

H FLY

OSD R

IC001

OSD G

OSD G

OSD B

OSD B

IC003

OSD

OSD BLK

V_DET

101718

7

11

AV

OSD BLK

CN1603

GXSC

GYSC
LCC NS
IIC SDA
IIC SCL

IC002

RGB AMP

26

2

R OUT

R IN

28

8

G OUT

G IN

30

12

B OUT

B IN

IC004

AMP

10

22

COF R

+

9

–

5

23

COF G

+

6

–

3

24

COF B

+

2

XTAL IN

L2

32

RCI

31

GCI

30

BCI

14

(CY, LCC)

–

BUFFER

Q101,
Q201,
Q301

BLK

CLAMP

10

BLK

CLP

4
5
6
7
8

8

7

1

4
3

6
7

1
2

21
20

X001

24.5MHz

+
–

+
–

IC1603
+

–

R OUT

G OUT

B OUT

24

IC005

INVERTER

IC1600

2

(1/2)

IC1600

8

(2/2)

4

IC1602

DAC

SDA

AO2

SCL

AO1
AO4
AO3

4

6

14

R CUT OFF
Q105, Q106

2
1
4
3

G CUT OFF
Q205, Q206

B CUT OFF
Q305, Q306

CN315

KR

5

KG

3

KB

1

HEATER+

7

IC011

7V

3.3V

HEATER REG

2

Vcc

1

CTL

VADJ

IC1601

4

2

+

(1/2)

3

–

IC1601

6

8

+

(2/2)

7

–

IC1604

4

2

+

(1/2)

3

–

IC1604

6

8

+

(2/2)

7

–

B-SS3541<J..> -BD1-EPS05

OUT

+80V
+12V

CN318

KR

5

KG

3

KB

1

HEATER+

7

G2

CN318

G2

1

4
5

CN312

+B

1

+B

7V

3.3V
5V

+B

2

+80V

4

+12V

6

7V

7

3.3V

8

5V

9

CN1601

CY4+

3

CY4–

4

CY3+

1

CY3–

2

CN1600

12LCC-NS (+)

LCC-NS (–)

CN1602

LCC-LT (+)

1

LCC-LT (–)

2

LCC-LB (+)

3

LCC-LB (–)

4

LCC-RT (+)

5

LCC-RT (–)

6

LCC-RB (+)

7

LCC-RB (–)

8

PICTURE TUBE

FVFCHV

B

C

TO D BOARD
CN604

V901

TO D BOARD
FBT

LCC-NS

LCC-LT

LCC-LB

LCC-RT

LCC-RB

GDM-F520(E) 4-1