Panasonic NV-SD440EG/ Manuel utilisateur

Service Manual

TOP NEXT

ORDER NO. VRD9906016C2

Video Cassette Recorder

NV-SD440EG/NV-SD440B/NV-SD440BL

Z-MECHANISM

file:///C|/___________/SVC/s0000000000.html (1 of 2) [23/09/2005 16:27:33]

•@

TOP NEXT

file:///C|/___________/SVC/s0000000000.html (2 of 2) [23/09/2005 16:27:33]

Table Of Contents
COVER
INTRODUCTION
GENERAL DESCRIPTIONS
1 SERVICE INFORMATION
1.1 CHANNEL MEMORY IC INITIALIZATION
1.2 CHECKING OF MAIN C.B.A.
1.3 CYLINDER UNIT REPLACEMENT
1.4 FLAT CARD CABLE INSTALLATION
2 REMOVAL OF CASSETTE TAPE
3 CAUTION FOR AC MAINS LEAD (NV-SD440B/BL)
4 INTRODUCTION OF VIDEO HEAD CLEANING CASSETTE (POLISHING TYPE)
OPERATING INSTRUCTIONS
ADJUSTMENT PROCEDURES
1 DISASSEMBLY METHOD
1.1 DISASSEMBLY FLOW CHART
1.2 DETAIL OF DISASSEMBLY METHOD
2 MECHANICAL ADJUSTMENT PROCEDURES
3 ELECTRICAL ADJUSTMENT PROCEDURES
3.1 TEST EQUIPMENT
3.2 VCR SETTING
3.3 ADJUSTMENTS
3.4 PG SHIFTER ADJUSTMENT(AUTOMATIC)
3.5 AI FUNCTION ADJUSTMENT(AUTOMATIC)
3.6 LOCATION OF TEST POINTS& CONTROLS
3.7 CIRCUIT BOARD LAYOUT
ABBREVIATIONS
INPUT/OUTPUT CHART
1 INPUT/OUTPUT CHART FOR IC6001
2 TRUTH TABLE (EG MODEL)
3 TRUTH TABLE (B/BL MODEL)
WAVEFORM TABLE
BLOCK DIAGRAMS
file:///C|/___________/SVC/sd440eg.html (1 of 2) [23/09/2005 16:27:41]

1 SYSTEM CONTROL& SERVO BLOCK DIAGRAM
2 LUMINANCE& CHROMINANCE BLOCK DIAGRAM
SCHEMATIC DIAGRAMS
1 POWER SCHEMATIC DIAGRAM
2 POWER SUPPLY/RF SECTION IN MAIN SCHEMATIC DIAGRAM
3 TIMER SECTION IN MAIN SCHEMATIC DIAGRAM
4 SYSTEM CONTROL& SERVO SECTION IN MAIN SCHEMATIC DIAGRAM
5 CAPSTAN UNIT SCHEMATIC DIAGRAM
6 LUMINANCE& CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM
7 INPUT/OUTPUT SECTION IN MAIN SCHEMATIC DIAGRAM
8 HEAD AMP SCHEMATIC DIAGRAM
9 OSD PACK SCHEMATIC DIAGRAM
10 CYLINDER STATOR UNIT SCHEMATIC DIAGRAM
11 AV FRONT SCHEMATIC DIAGRAM
12 TV DEMODULATOR PACK SCHEMATIC DIAGRAM
CIRCUIT BOARD ASSEMBLIES
1 POWER C.B.A.
2 CYLINDER STATOR UNIT
3 MAIN C.B.A.
4 HEAD AMP C.B.A.
5 AV FRONT C.B.A.
6 TV DEMODULATOR PACK C.B.A.
7 OSD PACK C.B.A.
EXPLODED VIEWS
1 CHASSIS PARTS SECTION
2 CASING PARTS SECTION
3 PACKING PARTS SECTION
REPLACEMENT PARTS LIST
1 CHASSIS PARTS LIST
2 CASING PARTS LIST
3 PACKING PARTS LIST
4 ELECTRICAL PARTS LIST
file:///C|/___________/SVC/sd440eg.html (2 of 2) [23/09/2005 16:27:41]

1 INTRODUCTION

TOP PREVIOUS NEXT

This service manual contains technical information which will allow service personnel to understand and

service this model.

If the circuit is changed or modified, this information will be followed by supplementary service manual

to be filed with original service manual.

Note:

Adjustment procedures, Disassembly Procedures and Assembly Procedures for Mechanism

Chassis are separate volume from this service manual./Please refer to the service manual for

Z-Mechanism Chassis. (Order No. VRD9802005C2)

The Model No. is indicated on the Schematic Diagram and Circuit Board Diagrams as follows.2.

Model No. Indication Mark

NV-SD440EG (EG)

NV-SD440B (B)

NV-SD440BL (BL)

•@

TOP PREVIOUS NEXT

file:///C|/___________/SVC/s0100000000x.html [23/09/2005 16:28:00]

2 GENERAL DESCRIPTIONS
TOP PREVIOUS NEXT
2.1 SERVICE INFORMATION
2.1.1 CHANNEL MEMORY IC INITIALIZATION
2.1.2 CHECKING OF MAIN C.B.A.
2.1.3 CYLINDER UNIT REPLACEMENT
2.1.4 FLAT CARD CABLE INSTALLATION
2.2 REMOVAL OF CASSETTE TAPE
2.3 CAUTION FOR AC MAINS LEAD (NV-SD440B/BL)
2.4 INTRODUCTION OF VIDEO HEAD CLEANING CASSETTE (POLISHING TYPE)
•@
TOP PREVIOUS NEXT
file:///C|/___________/SVC/s0200000000x.html [23/09/2005 16:28:06]

2.1 SERVICE INFORMATION

TOP PREVIOUS NEXT

2.1.1 CHANNEL MEMORY IC INITIALIZATION

2.1.2 CHECKING OF MAIN C.B.A.

2.1.3 CYLINDER UNIT REPLACEMENT

2.1.4 FLAT CARD CABLE INSTALLATION

•@

TOP PREVIOUS NEXT

file:///C|/___________/SVC/s0201000000.html [23/09/2005 16:28:09]

2.1.1 CHANNEL MEMORY IC

INITIALIZATION

TOP PREVIOUS NEXT

When replacing the Memory IC7801 and/or Oscillator X6001, Memory IC7801 has to be initialized due

to the setting value changes.

Note:

When replacing the memory IC7801, the OSD microprocessor IC7703 should be replaced

together.

It has to be performed before tuning.2.

Meaning of "MEMORY IC INITIALIZATION" is to make dependency in different models and to

distinguish between different features.

It does not need to perform when replacing the System Control IC6001.4.

PROCEDURES FIP Display Monitor Screen

Press the FF and EJECT keys simultaneously for 3 seconds. None

Press the FF and EJECT keys simultaneously more twice. None

Press the EJECT key for 3 seconds. None

Press the CH UP key twice. None

file:///C|/___________/SVC/s0201010000.html (1 of 2) [23/09/2005 16:28:12]

Press the POWER key.

(Colon starts flashing)

Service Screen (See Fig.S1 Service

Secreen (sample) )

Set the Model Code and Option Code by pressing 10-key or [RIGHT]

[LEFT] [UP] [DOWN] keys on the Remote Controller Unit. (See Fig.

S2 Model Code & Option Code )

Service Screen (See Fig.S1 Service

Secreen (sample) )

To release Service Mode, press the POWER key and then press the

FF and EJECT keys simultaneously 6 times until the normal

indication on the FIP.

None

Fig.S1 Service Secreen (sample)

Model No. Model Code Option Code 1 Option Code 2

NV-SD440EG 65 8 64

NV-SD440B 73 32 64

NV-SD440BL 77 32 64

Fig. S2 Model Code& Option Code

•@

TOP PREVIOUS NEXT

file:///C|/___________/SVC/s0201010000.html (2 of 2) [23/09/2005 16:28:12]

2.1.2 CHECKING OF MAIN C.B.A.

TOP PREVIOUS NEXT

When servicing the MAIN C.B.A., take out the MAIN C.B.A. and mechanism from the frame and turn

over.

And then connect the Extension Cable (VFK2744) between the POWER C.B.A. connector (P1103) and

the MAIN C.B.A. connector (P1001) as shown in Fig. S3 .

Fig. S3

•@

TOP PREVIOUS NEXT

file:///C|/___________/SVC/s0201020000.html [23/09/2005 16:28:15]

Ce manuel convient aux modèles suivants

Table des matières

Autres manuels Panasonic Système de magnétoscope

Panasonic

Panasonic Omnivsion PV-4515S Manuel utilisateur

Panasonic

Panasonic Omnivision PV-2601 Manuel utilisateur

Panasonic

Panasonic AG5210P - HI-FI VIDEO RECORDER Manuel utilisateur

Panasonic

Panasonic NV-8200 Manuel utilisateur

Panasonic

Panasonic Omnivision PV-S4690 Manuel utilisateur

Panasonic

Panasonic PV-V4022-A Manuel utilisateur

Panasonic

Panasonic PV-VS4821-K Manuel utilisateur

Panasonic

Panasonic AJ-D455 Manuel utilisateur

Panasonic

Panasonic NV-L20A Manuel utilisateur

Panasonic

Panasonic NV-FJ600A Manuel utilisateur

Panasonic

Panasonic Omnivision PV-4609 Manuel utilisateur

Panasonic

Panasonic PV-V4623S-K Manuel utilisateur

Panasonic

Panasonic NV-MV21GN Manuel utilisateur

Panasonic

Panasonic NV-SJ50AM Manuel utilisateur

Panasonic

Panasonic PV-V4624S Manuel utilisateur

Panasonic

Panasonic NV-SJ422EE Manuel utilisateur

Panasonic

Panasonic NV-SJ200AM Manuel utilisateur

Panasonic

Panasonic NV-SV120EB Manuel utilisateur

Panasonic

Panasonic ProLine AG-1340 Manuel utilisateur

Panasonic

Panasonic PV-V4022-A Manuel utilisateur

Panasonic

Panasonic Omnivision PV-V4020 Manuel utilisateur

Panasonic

Panasonic NV-HD630A/EA/AM/BD Manuel utilisateur

Panasonic

Panasonic Omnivision VHS PV-V402 Manuel utilisateur

Panasonic

Panasonic AGRT600AP - TIME LAPSE RECORDER Manuel utilisateur

Manuels Système de magnétoscope populaires d'autres marques

Toshiba

Toshiba M-662 Manuel utilisateur

Sony

Sony GV-500 Primary Manuel utilisateur

JVC

JVC HR-J282EU Manuel utilisateur

Sony

Sony HDCAM-SR SRW5800 Manuel utilisateur

Magnavox

Magnavox VRU242AT Manuel utilisateur

Sony

Sony HVR-M10C Manuel utilisateur

RCA

RCA VR634HF - Hi-Fi VCR Manuel utilisateur

JVC

JVC HR-5910U Manuel utilisateur

JVC

JVC HR-S8600EU Manuel utilisateur

JVC

JVC HR-FS1U Manuel utilisateur

Sharp

Sharp VC-H9888U Manuel utilisateur

FUNAI

FUNAI LC-950 Manuel utilisateur

Sharp

Sharp VC-S2000GM Manuel utilisateur

Sony

Sony Video8 EV-A60 Manuel utilisateur

Aiwa

Aiwa HV-E212 Manuel utilisateur

JVC

JVC HR-J3006UM Manuel utilisateur

GE VG4271 Manuel utilisateur

RCA

RCA VR678HF Manuel utilisateur