Panasonic NV-FJ631EG - User Manual

ORDER NO. VRD0202002C2
Video Cassette Recorder
NV-FJ631EG / NV-FJ631EGY / NV-FJ631EC / NV-FJ630EG /
NV-FJ630EGY / NV-FJ630B / NV-FJ630BL / NV-FJ630EC / NV-
FJ630ECN
Z-MECHANISM
SPECIFICATIONS
2002 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
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10/16/2012
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Summary

2.1. SERVICE CAUTION

2.1.1. REPLACING IC7702;EEPROM

Procedure and caution for replacing the EEPROM IC7702.

STEP2.INPUT THE MODEL & OPTION CODE

2.1.2. CYLINDER UNIT REPLACEMENT

1. CYLINDER UNIT REPLACEMENT

Steps for removing and replacing the cylinder unit.

2. UPPER CYLINDER DISASSEMBLY

D. Remove the CYLINDER UNIT.

CAUTION:

Important warning regarding handling the cylinder flexible card.

A. Remove 2 screws (A).

B. Remove the Cylinder Stator Unit.

C. Remove 2 screws (B).

D. Remove the Cylinder Rotor Unit.

E. Loose Hex screw (C) (1.5 mm) and remove the CYLINDER RETAINER.

F. Remove the Upper Cylinder.

3. UPPER CYLINDER ASSEMBLY

1. Install the Cylinder Retainer so that the 2 holes on top of the Cylinder Retainer are at right angles with the P3502 Connection.

2. Tighten the Hex screw (C) (1.5 mm) while pressing down on top of the Cylinder Retainer.

7. Confirm the PG SHIFTER ADJUSTMENT with the alignment tape

2.1.3. CHECKING OF MAIN C.B.A.

2.1.4. FLAT CARD CABLE INSTALLATION

2.2. REMOVAL OF CASSETTE TAPE

1. Service Information Display Operation

Method for removing cassette tape using service mode display operation.

2. Manual Operation

Method for removing cassette tape using manual operation.

2.4. SELF-DIAGNOSIS RESULT DISPLAY

2.5. CAUTION FOR AC MAINS LEAD (NV-FJ630 B;BL)

3. ADJUSTMENT PROCEDURES

3.1. DISASSEMBLY METHOD

Methodology for disassembling the VCR unit.

3.1.1. DISASSEMBLY FLOW CHART

3.1.2. DETAIL OF DISASSEMBLY METHOD

1. REMOVAL OF THE TOP PANEL

Procedure for removing the top panel of the VCR.

2. REMOVAL OF THE FRONT PANEL UNIT

Procedure for removing the front panel unit of the VCR.

3. REMOVAL OF THE MECHANISM UNIT

4. REMOVAL OF THE MAIN C.B.A.

5. SERVICING POSITION

3.2. MECHANICAL ADJUSTMENT PROCEDURES

3.3. ELECTRICAL ADJUSTMENT PROCEDURES

3.3.1. TEST EQUIPMENT

List of test equipment required for electrical adjustments.

3.3.3. ADJUSTMENTS

3.3.4. PG SHIFTER ADJUSTMENT; (AUTOMATIC)

Automatic adjustment procedure for the PG shifter.

3.3.5. AI FUNCTION ADJUSTMENT (AUTOMATIC)

3.3.6. VIDEO FREQUENCY RESPONSE ADJUSTMENT

3.3.7. LOCATION OF TEST POINTS & CONTROLS

3.3.8. CIRCUIT BOARD LAYOUT

7. BLOCK DIAGRAMS

7.1. SYSTEM CONTROL & SERVO BLOCK DIAGRAM

Block diagram of the system control and servo functions.

7.2. LUMINANCE & CHROMINANCE BLOCK DIAGRAM

Block diagram of the luminance and chrominance signal paths.

7.3. AUDIO BLOCK DIAGRAM

Block diagram of the audio processing circuits.

8. SCHEMATIC DIAGRAMS

8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM

Schematic of the power transformer section.

8.2. POWER SUPPLY; RF SECTION IN MAIN SCHEMATIC DIAGRAM

Schematic of the power supply and RF sections.

8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM

8.4. SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM

8.5. LUMINANCE & CHROMINANCE; AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

8.6. HI-FI AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM

8.7. INPUT; OUTPUT SECTION IN MAIN SCHEMATIC DIAGRAM

8.8. TV DEMODULATOR PACK SCHEMATIC DIAGRAM

8.9. DECODER PACK SCHEMATIC DIAGRAM (EG;EGY)

8.10. NICAM DECODER PACK SCHEMATIC DIAGRAM (B;BL;EC;ECN)

8.11. CYLINDER STATOR UNIT SCHEMATIC DIAGRAM

8.12. CAPSTAN UNIT SCHEMATIC DIAGRAM

11. REPLACEMENT PARTS LIST

11.1. CHASSIS PARTS SECTION PARTS LIST

List of replacement parts for the chassis section.

11.2. CASING PARTS SECTION PARTS LIST

11.3. PACKING PARTS SECTION PARTS LIST

11.4. ELECTRICAL PARTS LIST

8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM

IMPORTANT SAFETY NOTES:

NV-FJ631 EG;EGY,NV-FJ630 EG;EGY;B;BL;EC;ECN DECODER PACK C.B.A.

NV-FJ631 EC,NV-FJ630 BL;EC;ECN NICAM DECODER PACK C.B.A.

NICAM DECODER PACK C.B.A.

NV-FJ631 EG;EGY, NV-FJ630 EG;EGY DECODER PACK C.B.A.

DECODER PACK C.B.A.

NV-FJ631 EG;EGY,NV-FJ630 EG;EGY;B;BL;EC;ECN CYLINDER STATOR UNIT SCHEMATIC DIAGRAM

CYLINDER STATOR UNIT

Panasonic NV-FJ631EG Specifications

General

Brand	Panasonic
Model	NV-FJ631EG
Category	VCR
Language	English