Panasonic WJ-FS28 Bedienungsanleitung

SPECIFICATIONS

Power Source : 220 - 240 V AC 50 Hz

Power Consumption : 10 W

Camera Input : 2:1 interlaced VBS 1.0 V[p-p] / 75Ω, 75Ωautomatic termination / looping through (BNC

connector)

Playback Input : X1 VBS 1.0V [p-p]/75Ω(RCA pin-jack)

Audio Input : X2 –10 dB/10 kΩ(RCA pin-jack)

Monitor Output : X1 VBS 1.0 V [p-p]/75 (BNC connector)

Recording Output : X1 VBS 1.0 V[p-p]/75 (RCA pin-jack)

Audio Output : X2 –10 dB / 100 Ω(RCA pin-jack)

Audio Monitor Output : X1 –10 dB / 100 Ω(RCA pin-jack)

Camera Switching Input : 1 circuit (RCA pin-jack)

Microphone Input : X4 Switchable –60 dB / 390Ωor 0 dB / 390Ω

Ambient Operating Temperature : –10 °C - +50 °C

Dimensions : 420 (W) X 44 (H) 350 (D) mm (without projections)

Weight : 3.8 kg

Dimensions and weight are approximate.

Specifications are subject to change without notice.

STANDARD ACCESSORIES

Rack Mount Angle 2 pcs.

Rack Mount Angle Fixing Screw 8 pcs.

Video Multiplexer

WJ-FS28

ORDER NO. AVS9610196C3

C1996 Matsushita Communication Industrial Co., Ltd.

distribution is a violation of law.

This service information is designed for experienced repair technicians only and is not designed for use by the

general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to

service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any

attempt to service or repair the product or products dealt with in this service information by anyone else could

result in serious injury or death.

!WARNING

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:

TO REDUCE THE RISK OF ELECTRIC SHOCK,

DO NOT REMOVE COVER (OR BACK). NO USER

SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED SERVICE

PERSONNEL.

This symbol warns the user that uninsulated voltage within

the unit may have sufficient magnitude to cause electric

shock. Therefore, it is dangerous to make any kind of contact

with any inside part of this unit.

This symbol alerts the user that impotant literature concerning

the operation and maintenance of this has been included.

Therefore, it should be read carefully in order to avoid

any problems.

There are special components used in this equipment which are important for safety. These parts are indicated

by the ”Y” mark on the schematic diagram and the replacement parts list. It is essential that these critical

parts should be replaced with manufacturer's specified parts to prevent shock, fire, or other hazards.

Do not modify the original design without permission of manufacture.

IMPORTANT SAFETY NOTICE

CONTENTS

Major Operating Controls and Their Functions

English.......................................................................................................................................................... 1

Chinese......................................................................................................................................................... 7

Circuit Description

IC Description ...............................................................................................................................................13

Adjustment Procedure ....................................................................................................................................33

Chip Components............................................................................................................................................39

Location of Test Points and Adjusting Controls ..........................................................................................41

Appearance of ICs, Transistors and Diodes .................................................................................................42

Wiring Diagram ................................................................................................................................................43

Block Diagram..................................................................................................................................................44

Schematic Diagram

Main Board (1/3)...........................................................................................................................................45

Main Board (2/3)...........................................................................................................................................46

Main Board (3/3)...........................................................................................................................................47

Front Switch Board .......................................................................................................................................49

Power Board.................................................................................................................................................50

Conductor View

Main Board....................................................................................................................................................48

Front Switch Board .......................................................................................................................................49

Power Board.................................................................................................................................................50

Exploded View..................................................................................................................................................51

Replacement Parts List...................................................................................................................................52

1. Power On/Off Button (POWER ON/OFF)

Used to turn on/off the power of this unit.

This indicator lights when turning on the power.

2. Sequence / Alarm Reset / Set Button

(SEQUENCE / RESET / SET)

This button has 3 modes, the Sequence mode, Alarm

Reset mode and Menu Setting mode.

Sequence mode : When pressing this button in the

normal condition, this unit is in the sequential mode

which is preset with the Menu function.

Alarm Reset Mode : When pressing this button in the

Alarm mode, the alarm mode resetting can be available.

Menu Setting Mode : The item of the menu can be

fixed or the specified menu can be opened.

3. Camera Selection Buttons (CAMERA SELECT,

1/2/3/4)

Cursor / Selection Buttons (CURSOR /

SELECT)

Two functions are changed alternately according to the

mode of this unit.

MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS

In the Camera Mode

The desired camera picture is selected on the monitor

by pressing one of these buttons.

The single playback picture of the desired VTR can be

selected by pressing one of these buttons when dis-

playing the VTR's picture.

Every pressing the same button displays the still/nor-

mal picture alternately.

Note : The still picture is not available in the quad pic-

ture mode.

In the Menu Setting Mode

CURSOR < / CURSOR > : These buttons are used to

move the cursor in the menu or select the desired

menu.

CURSOR < : Moves to left, up and previous menu.

CURSOR > : Moves to right, down and next menu.

SELECT (–) / SELECT (+) : These buttons are used to

search the character or choose the value from table in

the menu mode.

SELECT – : Proceeds backward.

SELECT + : Proceeds forward.

4. Quad Button (QUAD)

This button should be used in the VTR playback mode.

The single playback picture turns to quad playback pic-

ture by pressing this button once.

5. VTR/Camera Selection Button (VTR/CAM)

Either the camera picture or the VTR playback picture

can be selected by pressing this button.

LED On : VTR playback picture through function of WJ-

FS28.

LED Off : Camera picture.

6. Menu Button (MENU)

This button should be pressed to enter the menu mode

or escape from the menu mode.

To activate this function, press this button more than 2

sec.

7. Microphone Level Controls (MIC LEVEL 1–4)

Used to adjust the audio level of the microphones.

1. Adjusts the audio level of the microphone 1.

2. Adjusts the audio level of the microphone 2.

3. Adjusts the audio level of the microphone 3.

4. Adjusts the audio level of the microphone 4.

8. Camera Input Connectors (CAMERA IN 1–4)

(BNC type)

The camera signals are supplied to these connectors.

Notes : In this unit, the specific control signal is added

on the Vertical Blanking for VTR recording so that any

other control signals located on the Vertical Blanking

can not be acceptable for this unit.

The picture will be disturbed in the switching (sequen-

tial) due to the non-synchronized input connector.

9. Camera Output Connectors (CAMERA OUT)

(BNC type)

A looping through of the input signals are provided at

these connectors.

When connecting a coaxial cable to this connector, the

high impedance video loop is automatically selected.

10. Monitor Output Connector (MONITOR OUT)

(BNC type)

A composite video signal is provided to this connector

for monitoring. The sequential switching picture, VTR

playback picture and setting up of Menus are displayed.

11. Playback Input Jack (PLAY IN) (Pin-jack)

The playback signal from VTR is supplied to this con-

nector. When connecting a coaxial cable for the

Playback Output Connector, the high impedance video

loop is automatically selected. At all other times this

connector is automatically terminated with 75 ohms.

12. Recording Output Jack (REC OUT) (Pin-jack)

The recording signal for the VTR is provided via this

connector.

13. Camera Switching Input Jack (CAMERA SW IN)

(Pin-jack)

The camera switching signal from VTR is supplied to

this connector.

14. Audio Input Connector (AUDIO IN L/R) (Pin-

jack)

Accepts the audio signal from the VTR.

15. Audio Output Connector (AUDIO OUT L/R)

(Pin-jack)

Supplies the audio signal to the VTR.

16. Audio Output Monitor Connector (AUDIO OUT

MONITOR) (Pin-jack)

Supplies the audio signal to the Video Monitor.

17. Microphone Connectors (MIC 1-4) (Phone-jack)

Accepts the audio signal from the microphone for the

recording.

Notes:

Be sure to supply the audio signal of the Camera 1 –

4 to the correct Microphone Connector 1 – 4.

The maximum cable length for the microphone exten-

sion should be within 20 m.

18. Ground Terminal (SIGNAL GND)

19. Power Cord

Picture Stability Switch ON/OFF

For reasons of the specifications of this set, reproduced

pictures will swing vertically if three cameras are con-

nected (with one channel left unconnected) for record-

ing.

If a recording is made when there is a channel to which

no camera is connected, the picture of a channel differ-

ent from the unconnected channel may be displayed in

quad mode reproduction.

The above can be avoided by setting the picture stability

switch (SW901) to ON.

The switch is originally set to OFF in the factory before

shipment.

ON: Picture stability ON

OFF: Picture stability OFF

Caution

The table below applies in cases where recordings are

made under the following settings using a video tapere-

corder having the T/V record function.

If there is a channel to which no camera is connected,

VTR's T/D display and the picture stability switch may

be set to ON so that VTR's T/D will be displayed on the

black screen of the unconnected channel in reproducing

recorded pictures as mentioned above.

INSTALLATIONS

Switching the microphone sensitivity

When using the microphone, set the Microphone

Sensitivity Switch inside this unit to the suitable position

as shown below according to the sensitivity of the micro-

phone.

Initially, –60 dBs are selected at the factory.

Microphone 1 : SW501

Microphone 2 : SW502

Microphone 3 : SW503

Microphone 4 : SW504

0 side setting : Sensitivity of the microphone is approx.

0 dB.

–60 side setting : Sensitivity of the microphone is

approx. –60 dB.

,,,

0−60

SW501-504

ON OFF

SW901

,,,

Main Board

Microphone Sensitivity Switches

Microphone Jacks

Main Board

Front

Power Supply Board

Microprocessor

Picture stability switch

VTR's T/D is displayed on black

screen of unused channel. VTR's T/D is not displayed on

black screen of unused channel.

VTR T/D display

Picture

stability

switch ON OFF

OFF VTR's T/D is not displayed on

black screen of unused channel. VTR's T/D is not displayed on

black screen of unused channel.

Note on Installation :

Be sure to have your dealer install the set. Make sure

that the power switch is OFF and that the power plug

has been pulled out of the electrical outlet in advance.

Precautions for Installation :

keep a space of 5 cm or more.

Keep a space of 5 cm or more on the sides t rear and

top of the set.

Install the set at a place free of noise.

Noise may interfere if the cables of the set are close to

the house electric wires. In such a case, rewire the set

or change its place.

Mounting into the Rack

When this unit is to be mounted on a EIA 19-inch rack,

use Rack Mount Angles (provided) and 8 Rack Mount

Angle Fixing Screws (provided, M4 X 10)

1. Turn off the power of this unit.

2. Remove four rubber feet by removing four screws on

the bottom of this unit.

3. Place the Rack Mount Brackets on both sides of this

unit and tighten with the eight supplied screws.

4. Install the unit with Rack Mount Brackets in the rack by

using four screws (local procurement).

Cautions :

Do not block the ventilation opening or slot on the cover

to prevent the unit from rising temperature.

Always keep the temperature in the rack within 50°C.

Secure the rear of the unit to the rack by using addition-

al mounting angles (procured locally) when the vibration

is added to the rack.

Remove four Rubber Feet.

Fasten four screws.

5 cm or more

5 cm or more 5 cm or more

CONNECTIONS

A. Basic System

Refer to the connection diagram shown below for the basic system.

Note: A time lapse VTR is necessary for time lapse recording. (Refer to System Connection on next page.)

Camera 4

Camera 1

4 1

AUDIO IN

VIDEO IN

VTR NV-HD550 etc.

LVIDEO

VIDEO

OUT R

Microphone 4 Microphone 1

1 2 3 4

INPUTSELECT

VIDEO Y/C

PAL

PUSH

VideoMonitor GP-CM

1450

POWER

OFF

NTSC

(3.58)

M.NTSC

(4.43)

AUDIO

OUT

B. Application

Note : When using the Time Lapse VTR, supply the audio signal of either L or R channel.

The sound of the connected channel can be heard in the playback mode.

Mini CCTV

Camera 4

4 1

1 2 3 4

INPUTSELECT

VIDEO Y/C

PAL

PUSH

VideoMonitor GP-CM

1450

POWER

OFF

NTSC

(3.58)

M.NTSC

(4.43)

AUDIO IN

VIDEO IN

Time Lapse VTR AG-6730 etc.

VIDEO

OUT AUDIO

OUT

Microphone 4 Microphone 1

Video Monitor

WV-CM1450 etc.

Mini CCTV

Camera 1

Camera Drive Unit

WV-PS104B

AUDIO

CAMERA SW

OUT

(Pin)

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