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Panasonic NV-HS800A Manuals
Manuals and User Guides for Panasonic NV-HS800A. We have
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Panasonic NV-HS800A manual available for free PDF download: Service Manual
Panasonic NV-HS800A Service Manual (112 pages)
K-MECHANISM, VHS PAL Hi-Fi HQ
Brand:
Panasonic
| Category:
VCR
| Size: 6.57 MB
Table of Contents
Specifications
2
General Descriptions
3
Service Information
3
K-Mechanism Information
3
Service Position
3
Checking of Reel Gears Operation
4
Cylinder Unit Replacement
4
Capstan Stator Unit Assembly
4
Eject Operation
5
Removal of the Cassette Tape
5
Hand Operation
5
Take-Up Photo Sensor Operation
5
Battery Operation
6
Flat Card Cable Installation
6
Channel Memory IC Initialiation
6
Servicing the Pack C.B.A.
7
Serial Clock Transmission Error Display
8
Service Information Display
8
Purpose of Service Information Display
8
Turning on Service Information Display
8
Use of Service Modes
9
Service Information Number
10
Service Information Number on S.I.D.
10
Timing Chart from Mode SW to System Control
13
Technical Information
14
AI Recording Function
14
Detail Explanation
14
Signal Flow
14
New Serial Data Transmission
16
Serial Data Transmission
16
Serial Clock Line and Data Line
17
Adjustment Procedures
19
Disassembly Method
19
Disassembly Flow Chart
19
Detail of Disassembly Method
19
Removal of the Front Panel Unit
20
Removal of the Main C.B.A. & the Power Supply Unit
20
Removal of the Timer C.B.A. & the VR C.B.A.
20
Mechanical Adjustment Procedures
21
Disassembly Procedures of Mechanism
21
Assembly Procedures of Mechanism
21
Pack Servicing Position
21
Location of Test Points & Controls
22
Circuit Board Layout
23
Electrical Adjustment Procedures
24
Test Equipment
24
How to Read Adjustment Procedures
24
Preparation
24
Servo Section
25
PG Shifter Adjustment
25
Slow Tracking Adjustment
25
Luminance & Chrominance Section
26
Reverse Slow Tracking Adjustment
26
Recording Current Adjustment
26
Artifical NTSC Free Run Adjustment
26
VHS Frequency Response Adjustment
27
RF Peak Frequency Adjustment
27
S-VHS Frequency Response Adjustment
28
VHS Playback Level Adjustment
28
S-VHS Playback Level Adjustment
29
YNR Adjustment
29
1H Delay Gain Adjustment
30
Chrominance Recursive Adjustment
30
AGC Level Adjustment
30
Audio Section
31
Bias Current Adjustment
31
Hifi E-E Level Adjustment
31
Deviation Adjustment
31
Timer Section
32
Timer Reference Clock Adjustment
32
Level Meter Sensitivity Adjustment
32
Character Generator VCO Adjustment
32
Edit Block Diagram
33
Hi-Fi Audio Block Diagram
36
System Control & Servo Block Diagram
39
Luminance & Chrominance Block Diagram
44
Schematic Diagrams
49
Power Schematic Diagram
49
System Control & Servo Section in Main Schematic Diagram
52
System Control & Servo Transistors DC Voltage Chart
59
Input/Output Chart for IC6002
59
Audio Section in Main & Sub Audio Pack Schematic Diagram
60
Capstan Drive Pack Schematic Diagram
67
Capstan Drive Pack Ics DC Voltage Chart
69
Capstan Drive Pack Transistors DC Voltage Chart
69
Luminance & Chrominance Pack Schematic Diagram
70
Hi-Fi Audio Pack Schematic Diagram
75
Input/Output Pack Schematic Diagram
78
Head Amp Schematic Diagram
81
Sub Luminance & Chrominance Pack Schematic Diagram
84
Timer & VR Schematic Diagram
89
TV Demodulator Pack Schematic Diagram
94
Exploded Views & Parts List
108
Chassis Parts Section
108
Casing Parts Section
111
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