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Panasonic NV-HS825EG User Manual

Panasonic NV-HS825EG
143 pages
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ORDER NO. VRD0108035C2
Video Cassette Recorder
NV-HS825EG / NV-HS825B / NV-HS825EC /
Z-MECHANISM
SPECIFICATIONS
2001 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
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Panasonic NV-HS825EG Specifications

General IconGeneral
BrandPanasonic
ModelNV-HS825EG
CategoryVCR
LanguageEnglish

Summary

SPECIFICATIONS

POWER

Details about power requirements and consumption.

RECORDING SYSTEM

Specifications for the recording system.

TV TUNER SYSTEM

Information on the TV tuner system.

RF OUTPUT SYSTEM

Specifications related to the RF output system.

VIDEO

Details about the video system.

1. INTRODUCTION

2.1. SERVICE CAUTION

Important cautions to be observed during service procedures.

2.1.1. REPLACING IC6002/EEPROM

Procedure and considerations for replacing the EEPROM IC6002.

STEP2.INPUT THE MODEL & OPTION CODE

2.1.2. CYLINDER UNIT REPLACEMENT

1. CYLINDER UNIT REPLACEMENT

Steps for removing the cylinder unit from the mechanism.

2. UPPER CYLINDER DISASSEMBLY

Detailed procedure for disassembling the upper cylinder unit.

2.2. REMOVAL OF CASSETTE TAPE

2.4. SELF-DIAGNOSIS RESULT DISPLAY

3. ADJUSTMENT PROCEDURES

3.1. DISASSEMBLY METHOD

Methods and flowcharts for disassembling the unit.

3.1.1. DISASSEMBLY FLOW CHART

Visual guide indicating the sequence of disassembly steps.

3.3. ELECTRICAL ADJUSTMENT PROCEDURES

3.3.1. TEST EQUIPMENT

List of necessary test equipment for electrical adjustments.

3.3.2. VCR SETTING

Recommended settings for the VCR before performing adjustments.

3.3.4. PG SHIFTER ADJUSTMENT / (AUTOMATIC)

3.3.5. S-VHS VIDEO FREQUENCY RESPONSE ADJUSTMENT

3.3.6. VHS VIDEO FREQUENCY RESPONSE ADJUSTMENT

3.3.7. LOCATION OF TEST POINTS& CONTROLS

3.3.8. CIRCUIT BOARD LAYOUT

4. ABBREVIATIONS

5. INPUT/OUTPUT CHART

Charts detailing input and output signals for various components.

6. WAVEFORM TABLE& VOLTAGE CHART

Tables showing expected waveforms and voltage levels.

7. BLOCK DIAGRAMS

Diagrams illustrating the functional blocks of the system.

8. SCHEMATIC DIAGRAMS

Detailed circuit diagrams of the VCR's various sections.

8.8. DNR PACK SCHEMATIC DIAGRAM

8.9. OSD/SECAM SCHEMATIC DIAGRAM

Schematic for the OSD/SECAM pack.

8.10. TV DEMODULATOR PACK SCHEMATIC DIAGRAM

Schematic for the TV demodulator pack.

8.11. DECODER PACK SCHEMATIC DIAGRAM (NV-HS825EG)

Schematic for the decoder pack (NV-HS825EG).

8.12. NICAM DECODER PACK SCHEMATIC DIAGRAM (NV-HS825B/ EC)

Schematic for the NICAM decoder pack (NV-HS825B/EC).

8.13. CYLINDER STATOR UNIT SCHEMATIC DIAGRAM

Schematic for the cylinder stator unit.

8.14. CAPSTAN UNIT SCHEMATIC DIAGRAM

Schematic for the capstan unit.

8.15. FRONT SCHEMATIC DIAGRAM

Schematic for the front panel circuits.

8.16. JOG SCHEMATIC DIAGRAM

Schematic for the jog and shuttle controls.

9. CIRCUIT BOARD ASSEMBLIES

Identification of the main circuit board assemblies.

11. REPLACEMENT PARTS LIST

11.1. CHASSIS PARTS SECTION PARTS LIST

List of replacement parts for the chassis.

11.2. CASING PARTS SECTION PARTS LIST

11.3. PACKING PARTS SECTION PARTS LIST

11.4. ELECTRICAL PARTS LIST

List of electrical components.

12. SCHEMATIC DIAGRAM FOR PRINTING WITH A4 SIZE

NV-HS825EG/B/EC CAPSTAN UNIT SCHEMATIC DIAGRAM

NV-HS825EG/B/EC CYLINDER STATOR UNIT SCHEMATIC DIAGRAM

NV-HS825EG DECODER PACK SCHEMATIC DIAGRAM

NV-HS825EG/B/EC DNR PACK SCHEMATIC DIAGRAM

NV-HS825EG/B/EC Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC FRONT SCHEMATIC DIAGRAM

NV-HS825EG/B/EC INPUT/OUTPUT PACK SCHEMATIC DIAGRAM

NV-HS825EG/B/EC JOG SCHEMATIC DIAGRAM

NV-HS825B/EC NICAM DECODER PACK SCHEMATIC DIAGRAM

NV-HS825EG/B/EC OSD/SECAM SCHEMATIC DIAGRAM

8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM

Important Safety Notices

Critical safety information regarding repair and handling.

8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC TIMER SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC TV DEMODULATOR PACK SCHEMATIC DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC CYLINDER STATOR UNIT SCHEMATIC DIAGRAM

DECODER PACK C.B.A. (VEP07A16A:NV-HS825EG)

DNR PACK C.B.A. (VEP03F76A)

FRONT C.B.A. (VEP04782B)

INPUT/OUTPUT PACK C.B.A. (VEP03F87A)

JOG C.B.A. (VEP06E13A)

MAIN C.B.A. (VEP06E08J:NV-HS825EG)(VEP06E08K:NV-HS825B)(VEP06E08L:NV-HS825EC)

Main C.B.A. Component Identification

Component identification and location details for the Main C.B.A.

NICAM DECODER PACK C.B.A. (VEP07A18A:NV-HS825B) (VEP07A18J:NV-HS825EC)

OSD/SECAM C.B.A. (VEP07A38C)

TV DEMODULATOR PACK C.B.A. (VEP07A23L:NV-HS825EG/EC) (VEP07A23M:NV-HS825B)

Waveform Examples

Waveform Examples

Pin Assignment Chart

Pin Assignment Chart

Pin Assignment Chart

Input Condition vs. Output Result Mapping

Input Condition vs. Output Result Mapping

Input Condition vs. Output Result Mapping

Input Condition vs. Output Result Mapping

Input Condition vs. Output Result Mapping

System Control & Servo ICs DC Voltage Chart

System Control & Servo Transistors DC Voltage Chart

Component Description Glossary

Component Description Glossary

Component Description Glossary

Component Description Glossary

Fuse Replacement and Safety Information

8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM

Important Safety Notices

Critical safety information regarding repair and handling.

8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM

8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

NV-HS825EG/B/EC INPUT/OUTPUT PACK SCHEMATIC DIAGRAM

NV-HS825EG/B/EC DNR PACK SCHEMATIC DIAGRAM

NV-HS825EG/B/EC OSD/SECAM SCHEMATIC DIAGRAM

NV-HS825EG/B/EC TV DEMODULATOR PACK SCHEMATIC DIAGRAM

8.11. DECODER PACK SCHEMATIC DIAGRAM (NV-HS825EG)

8.12. NICAM DECODER PACK SCHEMATIC DIAGRAM (NV-HS825B/ EC)

8.13. CYLINDER STATOR UNIT SCHEMATIC DIAGRAM

8.14. CAPSTAN UNIT SCHEMATIC DIAGRAM

Schematic diagram of the capstan unit.

NV-HS825EG/B/EC CAPSTAN UNIT SCHEMATIC DIAGRAM

8.15. FRONT SCHEMATIC DIAGRAM

8.16. JOG SCHEMATIC DIAGRAM

Schematic diagram of the jog and shuttle control circuits.

7.3. AUDIO BLOCK DIAGRAM

NV-HS825EG/B/EC SYSTEM CONTROL & SERVO BLOCK DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE BLOCK DIAGRAM

NV-HS825EG/B/EC LUMINANCE & CHROMINANCE BLOCK DIAGRAM

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