User Manuals: Panasonic NV-SD420EU Cassette Recorder

Manuals and User Guides for Panasonic NV-SD420EU Cassette Recorder. We have 1 Panasonic NV-SD420EU Cassette Recorder manual available for free PDF download: Service Manual

Panasonic NV-SD420EU Service Manual (74 pages)

Brand: Panasonic | Category: VCR | Size: 10.05 MB

Specifications
1
Introduction
2
Contents
3
General Descriptions
4
Service Information
4
Channel Memory IC Initialization
4
Service Position
4
Removal of Cassette Tape
5
Cylinder Unit Replacement
5
Upper Cylinder Disassembly
5
Channel Plan (NV-SD420SA)
5
Self-Test Indication Display
6
Service Information Display
6
Upper Cylinder Assembly
6
Timer Reference Clock
7
Procedure of Timer Reference Clock Adjustment
7
Confirmation Method
7
Adjustment Method
7
Caution During Auto Tuning
8
Procedure
8
Operating Instructions
9
Controls and Connections Sockets
9
Front
9
Infra-Red Remote Controller
10
Open the Cover
10
VCR Operation
10
TV Operation
10
Tuning the TV to Your VCR (NV-SD420A)
11
Basic Connections
11
Connection to a TV Using the Audio/Video Input Sockets
11
Storing TV Broadcasts in Your VCR
12
Tuning the TV to Your VCR (NV-SD420EA)
12
Pre-Programmed TV Channels (NV-SD420A Only)
12
Auto Tuning (NV-SD420EA Only)
12
Auto Tuning with the on Screen Display
13
Channels that Can be Received
13
Manual Tuning Procedure
13
Direct Tuning
13
Setting the Remote Control for Operation of Your TV
14
Fine Tuning Procedure
14
Blanking of Unused Programme Positions
14
Language Setting of the on Screen Display
15
Setting the Clock of Your VCR
15
To Select the Desired Language
15
To Demonstrate the OSD Menu
15
Preparations for G-Code Programming
16
Preparations
16
Connection to the Sky Decoder
16
Settings Using the on Screen Display
17
On Screen Display
17
To Select the Corresponding Video Cassette Tape Length to Display the Approximate Remaining Tape Time
17
To Select the Desired Tape Speed for Manual Recording
17
Playback
18
To Obtain a High Speed Picture During Fast Forward or Rewind
18
To Playback the Recorded Part Repeatedly
18
To Eject the Video Cassette Using the Remote Controller
18
Manual Recording
19
To Select the Desireed Tape Speed
19
To Record One TV Programme While Viewing Another One
19
To Display the Approximate Remaining Tape Time
19
Time Recording
20
Using the on Screen Display
20
Weekly Timer Recording
20
Cancelling a Timer Programme
20
Search Functions
21
G-Code Programming
21
Searching Timer-Recorded Programmes (Programme List Search)
21
Displaying the Programme List Search Screen
21
Editing
22
To Find the Beggining of each Recording (VHS Index Search System)
22
Searching While Checking the Video Cassette Contents (Intro-Jet Scan)
22
Assembly Editing
22
Other Functions
23
Precautions
23
NTSC Playback
23
Other Automatic Functions
23
Adjustment Procedures
24
Disassembly Method
24
Disassembly Flow Chart
24
Detail of Disassembly Method
24
Mechanical Adjustment Procedures
25
Removal of the Power C.B.A.
25
Removal O Fthe Mechanism Unit
25
Removal of the Main C.B.A.
25
Electrical Adjustment Procedures
26
Servo Section
26
PG Shifter Adjustment
26
Block Diagrams and Schematic Diagrams
27
Abbreviations
27
Input/ Output Chart for IC6001
31
Circuit Board Layout
36
Timer Block Diagram
37
Luminance and Chrominance Block Diagram
38
System Control and Servo Block Diagram
40
Power Schematic Diagram
41
System Control and Servo Section in Main Schematic Diagram
42
System Control and Servo Ics DC Voltage Chart (SP Mode)
43
System Control and Servo Trs DC Voltage Chart (SP Mode)
43
Luminance and Chrominance/Audio Section in Main Schematic Diagram
44
Power Supply/Osd/Rf Section in Main Schematic Diagram
46
Timer Section in Main Schematic Diagram
47
Cylinder Drive Section in Main Schematic Diagram
48
Cylinder Stator Unit Schematic Diagram
48
Capstan Unit Schematic Diagram
48
Cylinder Drive Ics DC Voltage Chart (SP Mode)
48
Head AMP Schematic Diagram
49
Cylinder Stator Unit (VEK7236)
50
Main C.B.A. (VEP06B52A: NV-SD420A) (VEP06B52B: NV-SD420EA) (VEP06B52C: NV-SD320AM/AMJ, SD420EU)(VEP06B52E: NV-SD420SA)
51
Power C.B.A. (VEP01768B: NV-SD420A/EA/SA) (VEP01768A: NV-SD320AM/AMJ) (VEP01768C: NV-SD420EU)
52
Exploded Views and Parts List
53
Exploded View and Mechanical Replacement Parts List
53
Chassis Parts Section
53
Casing Parts Section
54
Packing Parts Section
55
Electrical Replacement Parts List
56
Internal Reference Codes
72

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