Casio FV-600BA, FV-600BM Service manual

(with price)

INDEX

FV-600BA/BB(KX-0761BIA/BIB) FV-600BM (KX-0761BMA)

JUL. 1995

CONTENTS

SPECIFICATIONS ......................................................................................... 2

SAFETY MEASURES.................................................................................... 3

ALARM DESCRIPTION................................................................................. 3

BLOCK DIAGRAM ........................................................................................ 4

OPTICAL DIAGRAM ..................................................................................... 5

MONITOR SWITCHES .................................................................................. 5

TROUBLESHOOTING................................................................................... 6

PARTS LIST FOR MAIN BLOCK.................................................................. 7

FOCUS ADJUSTMENT ................................................................................. 8

ADJUSTMENT MODE ................................................................................... 9

DISASSEMBLY ........................................................................................... 10

REPLACING THE FUSE ............................................................................. 18

REPLACING THE LAMP............................................................................. 19

PRINTED CIRCUIT BOARDS ..................................................................... 21

EXPLODED VIEWS ..................................................................................... 26

ELECTRICAL PARTS LIST......................................................................... 29

MECHANICAL PARTS LIST ....................................................................... 48

CPU PIN FUNCTION ................................................................................... 51

SCHEMATIC DIAGRAMS ........................................................................... 55

WAVEFORMS.............................................................................................. 60

— 1 —

SPECIFICATIONS

Item Specification

Receiving channels (BA and BB) VHF: 2 to 12 UHF: 13 to 69

Power supply BM (For U.S.A. and Canada): 110-130 V

BA: 100–120 V BB: 220–240 V

Power consumption BM (For U.S.A. and Canada): 118 W

BA: 116 W BB: 119 W

Color system NTSC Input/Output terminals

External antena: F connector Video in: 1.0 Vp-p, 75 Ω Audio in: 308 m Vrms, 47 kΩ minimum Earphone: 3.5 mm mini jack, 16 Ω

Screen size (Built-in screen) 10 inches LCD panel

Size: 2.4 inches Type: Transparent TN liquid crystal panel Driver: a-Si TFT active matrix No. of picture element: 245,960 (440 X 559) dots

Lens Wide angle lens (F4.8, f=39.76 mm)

Lamp 80 W metal halide

Lamp life Approx. 2,000 hours

Focus adjustment range 20 inches to 100 inches (Image size)

Speaker output 3 W

Operating temperature 32° to 104°F (0° to 40°C)

Dimensions 11-5/16 (W) X 5-5/8 (D) X 16-1/8 (H) inches

28.8 (W) X 14.3 (D) X 41.0 (H) cm

Weight 13.3 lbs. (6.2 kg)

— 2 —

SAFETY MEASURES

The power will be turned off automatically when FV-600 is in the following conditions.

1. Fan is stopped.

2. High temperature (1) Thermistor detects high temperature. (2) Bimetal detects high temperature.

3. Fan filter is not set properly.

4. Rear cover is not set properly.

ALARM DESCRIPTION

Power LED Alarm LED Beep Description

Green On Off – Power on

OK Off Off – Power off

Red On Off – Power off by remote control

Green Blink Off – Cooling off (Fan is working.)

Green On Red Blink Twice

NG Red Blink Red Blink Three times

Red On Red Blink Once

High temperature warning (Check the fan and fan filter.)

1. Lamp is defective.

2. Fan is defective.

1. Fan filter warning (Check if the fun filter is set.)

2. Rear cover warning (Check if the rear cover is set.)

— 3 —

BLOCK DIAGRAM

Thermistor

RM PCB

LED

Photo Sensor

Remote Controller

J–PCB

Except for BM (For U.S.A. and Canada)

TEKN7 Tuner

Temperature Detector

Focus Drive Circuit

Fan Control Circuit

M51496 IF

µPD17068 CPU

Key

EEP-ROM

Power Supply Circuit

I / O Circuit

BA7612 SW

MCF0263 Comb Filter

Low Pass Filter

Speaker

TDA7056A Audio Amplifier

M51406 Chrominance

Circuit

RGB

Linear PCB

Focus Motor

Lens

Fan Motor

Fan

440 X 559 dots TFT LCD Module

OPM Unit

IR3Y07 Polarity Reverser

Relay

MB4097

D/A (R)

D/A (G)

D/A (B)

Control Circuit

12 V Power Supply

Power Supply PCBF–PCB

HG51B201

Line Memory (R)

Line Memory (G)

Line Memory (B)

Controller

Lamp Drive Circuit

Input Circuit

Metal Halide Lamp

AC In

µPC659 A/D (R)

µPC659 A/D (G)

µPC659 A/D (B)

A/D PCB

— 4 —

OPTICAL DIAGRAM

10 inches built-in screen

Mirror

Lens

Fan

20~100 inches screen

Rear cover monitor switch

Mirror

MONITOR SWITCHES

AC IN

LampTFT LCD module

Fan monitor switch

Built-in screen monitor switch

— 5 —

TROUBLESHOOTING

Symptom Cause Solution

No picture Lamp is defective. Replace.

LCD is defective. Replace OPM unit.

No power supply Fuse on power supply PCB is defective. Replace.

Power supply PCB unit is defective. Replace.

Front case assembling is not correct. Assemble it correctly.

Rear cover warning Rear cover is coming off. Attach it correctly.

Rear cover monitor switch is defective. Replace.

Fan filter warning Fan filter is coming off. Attach it correctly.

Fan filter monitor switch is defective. Replace.

No change to big screen mode Built-in screen is not locked when it pressed

down.

Built-in screen monitor switch is defective. Replace.

Replace latch.

OPM UNIT TROUBLE

The precise adjustment of the optical axis is required when the OPM unit is re-assembled, and it can be adjusted in our factory only. Therefore replace the OPM unit when the following parts are defective.

• LCD unit

• Lens unit

• Step motor

• Fan

• Mirror

• Inner case

POWER SUPPLY TROUBLE

The individual parts for the power supply PCB unit are not supplied due to safety regulations. Replace the power supply PCB unit when it is defective.

— 6 —

PARTS LIST FOR MAIN BLOCK

4. Lamp unit

1. Linear PCB ass'y

3. Power supply PCB unit

Rear View

2. AD PCB ass'y

: 5. OPM unit Consists of the LCD unit, Fan, Lens unit, and Inner case.

6. Switch

7. Latch

Front View

FOB Japan

Item Code No. Parts Name Specification Quantity M N.R.Yen

BM BA BB Unit Price

1 6610 0300 Linear PCB ass'y K140110*1 1 0 0 1 9,830 1 6610 3732 Linear PCB ass'y K140166*1 0 1 1 1 9,830 2 6610 0720 AD PCB ass'y K240263*1 1 0 0 1 5,450 2 6610 3735 AD PCB ass'y K240304*1 0 1 1 1 5,450 3 3012 1260 Power supply PCB unit SPJ1236 1 0 0 1 8,750 3 3012 1393 Power supply PCB unit SPJ1256 0 1 0 1 8,750 3 1014 8087 Power supply PCB unit SPE1257 0 0 1 1 8,750 4 1014 7954 Lamp unit MH-SA08-CA1US 1 1 1 1 3,370 5 6610 1687 OPM unit K140094*2 1 1 1 1 25,570 6 3412 1302 Switch JPS1220-0201 2 2 2 5 65 7 5860 8876 Latch 29KO 2 2 2 5 52

Notes: M – Minimum order/supply quantity

— 7 —

FOCUS ADJUSTMENT

Focus adjustment in the 10 inches screen (built-in screen) mode is required in the following conditions.

1. The focusing gear is moved compulsorily.

2. The lens position is moved compulsorily.

3. After replacing the linear PCB ass'y.

To adjust the focus in the 10 inches screen mode.

FRONT PRJ

REAR PRJ

FOCUS

[{ [{ [{

CONTROL

1. Press the MENU button for about five seconds in TV or VIDEO mode.

2. It shows the focus adjustment display and clatters for a while.

TV/VIDEO

SET

VOLUME

CHANNEL

FOCUS

3. Press the FOCUS +/- buttons to adjust the focus.

4. Press the SET button to set the focus.

Note:

To adjust the focus in a big screen mode (the built-in screen is lowered completely), press the FOCUS +/and SET buttons. (Refer to the owner's manual.)

— 8 —

ADJUSTMENT MODE

In the adjustment mode, the CPU of FV-600 ignores the monitor signals. So you can turn the power on when the cases, covers, and air filter are removed.

WARNING:

1. There are some high voltage point on the power supply PCB unit. Never touch it when the power is on.

2. To avoid eye damage, never view the light produced by the lamp directly.

TO ENTER THE ADJUSTMENT MODE:

FV-600BA/BB (Except for U.S.A. and Canada)

1. While pressing the SET button, put in the AC plug.

2. Press the power button. To escape the adjustment mode, pull out the AC plug.

FV-600BM (For U.S.A. and Canada)

1. Remove the rear case. (Refer to Disassembly)

2. Put in the AC plug.

3. Press the button on the linear PCB indicated as the following figure.

4. Press the power button. To escape the adjustment mode, press the SET button.

Linear PCB on FV-600BM (Top View)

— 9 —

Button A

DISASSEMBLY

Be sure to pull out the AC plug before disassembling the unit. (Never pull out it while the fan is working.)

TO REMOVE THE LOUVER L AND R SUB ASS'YS:

1. Remove the two screws and the rear cover ass'y.

2. Remove the filter and the four screws that hold the louver L and R sub ass'ys.

— 10 —

3. Remove the louver L and R sub ass'ys.

Note: To remove them, lift a part indicated by the arrows.

— 11 —

TO REMOVE THE REAR CASE SUB ASS'Y:

1. Disconnect the two wires shown in the circles.

2. Remove the seven screws and unhook the latch at the jack cover.

— 12 —

3. Remove the rear case sub ass'y.

TO REMOVE THE FRONT CASE SUB ASS'Y:

Remove the four screws and the front case sub ass'y.

— 13 —

TO REMOVE THE POWER SUPPLY UNIT:

1. Remove the tape that holds the flat cable.

2. Remove the three screws.

3. Pull out the power supply unit.

4. Remove the wire of the power supply unit.

5. Remove the lamp unit.

Flat cable

6. Disconnect the cable sub ass'y.

7. Remove the two screws and the jack unit.

Flat cable

Rear View

Cable sub ass'y

Jack unit

— 14 —

Power supply unit

TO REPLACE THE LATCH FOR THE SCREEN:

1. Remove the front case sub ass'y.

2. Replace the latch shown in the circle.

Front View

— 15 —

TO REPLACE THE BUILT-IN SCREEN MONITOR SWITCH:

1. Remove the power supply unit.

2. Remove the screw.

3. Disconnect the wiring.

4. Replace the switch.

Rear View

TO ATTACH THE LOUVER L AND R SUB ASS'YS TO THE UNIT:

Push the louver as the following figure.

— 16 —

RE-ASSEMBLING THE AD PCB ASS'Y

WARNING:

Never use the older shield tapes when attaching them to the shield case. Use new shield tapes to insulate the shield case and the shield tape.

Shield case

Shield tape

Adhesive tape

AD PCB unit

— 17 —

REPLACING THE FUSE

TO REPLACE THE FUSE ON THE POWER SUPPLY PCB:

1. Remove the power supply PCB unit . (Refer to Disassembly.)

2. Replace the fuse.

CAUTION:

This symbol indicates the F1 fuse on the power supply PCB. Replace with the same type 5A, 125V fuse.

ATTENTION:

Ce symbole indique le F1 fusible se trouvant sur la carte de circuit electrique. Ne remplacer ce fusible que par un fusible identique de 5A, 125V.

— 18 —

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