Panasonic NV-SD320 - Main C.B.A. (VEP06 B52 A: NV-SD420 A) (VEP06 B52 B: NV-SD420 EA) (VEP06 B52 C: NV-SD320 AM;AMJ, SD420 EU)(VEP06 B52 E: NV-SD420 SA)

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Specifications1
Introduction2
Contents3
General Descriptions4
Service Information4
Channel Memory IC Initialization4
Service Position4
Removal of Cassette Tape5
Cylinder Unit Replacement5
Upper Cylinder Disassembly5
Channel Plan (NV-SD420SA)5
Self-Test Indication Display6
Service Information Display6
Upper Cylinder Assembly6
Timer Reference Clock7
Procedure of Timer Reference Clock Adjustment7
Confirmation Method7
Adjustment Method7
Caution During Auto Tuning8
Procedure8
Operating Instructions9
Controls and Connections Sockets9
Front9
Infra-Red Remote Controller10
Open the Cover10
VCR Operation10
TV Operation10
Tuning the TV to Your VCR (NV-SD420A)11
Basic Connections11
Connection to a TV Using the Audio/Video Input Sockets11
Storing TV Broadcasts in Your VCR12
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 Display13
Channels that Can be Received13
Manual Tuning Procedure13
Direct Tuning13
Setting the Remote Control for Operation of Your TV14
Fine Tuning Procedure14
Blanking of Unused Programme Positions14
Language Setting of the on Screen Display15
Setting the Clock of Your VCR15
To Select the Desired Language15
To Demonstrate the OSD Menu15
Preparations for G-Code Programming16
Preparations16
Connection to the Sky Decoder16
Settings Using the on Screen Display17
On Screen Display17
To Select the Corresponding Video Cassette Tape Length to Display the Approximate Remaining Tape Time17
To Select the Desired Tape Speed for Manual Recording17
Playback18
To Obtain a High Speed Picture During Fast Forward or Rewind18
To Playback the Recorded Part Repeatedly18
To Eject the Video Cassette Using the Remote Controller18
Manual Recording19
To Select the Desireed Tape Speed19
To Record One TV Programme While Viewing Another One19
To Display the Approximate Remaining Tape Time19
Time Recording20
Using the on Screen Display20
Weekly Timer Recording20
Cancelling a Timer Programme20
Search Functions21
G-Code Programming21
Searching Timer-Recorded Programmes (Programme List Search)21
Displaying the Programme List Search Screen21
Editing22
To Find the Beggining of each Recording (VHS Index Search System)22
Searching While Checking the Video Cassette Contents (Intro-Jet Scan)22
Assembly Editing22
Other Functions23
Precautions23
NTSC Playback23
Other Automatic Functions23
Adjustment Procedures24
Disassembly Method24
Disassembly Flow Chart24
Detail of Disassembly Method24
Mechanical Adjustment Procedures25
Removal of the Power C.B.A.25
Removal O Fthe Mechanism Unit25
Removal of the Main C.B.A.25
Electrical Adjustment Procedures26
Servo Section26
PG Shifter Adjustment26
Block Diagrams and Schematic Diagrams27
Abbreviations27
Input/ Output Chart for IC600131
Circuit Board Layout36
Timer Block Diagram37
Luminance and Chrominance Block Diagram38
System Control and Servo Block Diagram40
Power Schematic Diagram41
System Control and Servo Section in Main Schematic Diagram42
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 Diagram44
Power Supply/Osd/Rf Section in Main Schematic Diagram46
Timer Section in Main Schematic Diagram47
Cylinder Drive Section in Main Schematic Diagram48
Cylinder Stator Unit Schematic Diagram48
Capstan Unit Schematic Diagram48
Cylinder Drive Ics DC Voltage Chart (SP Mode)48
Head AMP Schematic Diagram49
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 List53
Exploded View and Mechanical Replacement Parts List53
Chassis Parts Section53
Casing Parts Section54
Packing Parts Section55
Electrical Replacement Parts List56
Internal Reference Codes72

Panasonic NV-SD320 - Main C.B.A. (VEP06 B52 A: NV-SD420 A) (VEP06 B52 B: NV-SD420 EA) (VEP06 B52 C: NV-SD320 AM;AMJ, SD420 EU)(VEP06 B52 E: NV-SD420 SA)

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