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JVC
Stereo System
UX-V30
JVC UX-V30 User Manual
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1-15
UX-V30
VR201
R ch BIAS ADJ
VR101
L ch BIAS ADJ
L301
MO
T
OR SPEED
VR301
<<
Arrangement of Adjusting P
osition
>>
Cassette mechanism section
Cassette mechanism section (Bac
k side)
Front panel assemb
ly section
Head azimuth
adjusting screw
(Re
verse side)
Head azimuth
adjusting screw
(F
orward side)
Pla
yback/Recording &
eraser head
Head azimuth
adjusting screw
(F
orward side)
Head azimuth
adjusting screw
(Re
verse side)
14
16
Table of Contents
Table of Contents
1
Area Suffix
1
Safety Precautions
2
Warning
2
Leakage Currnet Check
2
Alternate Check Method
2
Reproduction and Position of Labels
3
Warning Label
3
Important for Laser Products
3
Removing the Side Panels
4
Removing the Rear Cover
4
Disassembly Method
4
Removing the Main Board / the Heat Sink
5
Removing the Front Panel Assembly
6
Removing the Head Phone Board
6
Removing the Tuner & Function Board
7
Removing the Power Transformer
7
Removing the AC Supply Board
7
Cassette Mechanism Assembly
8
Removing the Opt.dig.out Board
8
Removing the LED Board (A)
9
Removing the CD Mechanism Assembly
9
Front Panel Assembly
9
Removing the LED Board (B)
10
Removing the CD Door Switch Board
10
Removing the CD Servo Control Board
10
Removing the Loading Motor
10
Cassette Mechanism Section
11
Removing the Playback/Recording & Eraser Head
11
Reassembling the Playback/Recording & Eraser Head
11
Removing the Head Amplifier & Mechanism Control P.C. Board
12
Removing the Main Motor Assembly
12
Removing the Flywheel
13
Removing the Reel Pulse P.C. Board and Solenoid
13
Measurement Instruments Required for Adjustment
14
Low Frequency Oscillator
14
Measurement Conditions
14
Main Adjustment
14
Ux-V30
14
Arrangement of Adjusting Position
15
Cassette Mechanism Section (Back Side)
15
Front Panel Assembly Section
15
Tape Recorder Section
16
Reference Values for Confirmation Items
16
Electrical Performance
17
Reference Values for Electrical Function Confirmation Items
17
Flow of Functional Operation until TOC Read
18
Cleaning the Pick up Lens
19
Life of the Laser Diode
19
Maintenance of Laser Pickup
19
Replacement of Laser Pickup
19
LA6541-X(IC541) : Servo Driver
20
Pin Layout & Block Diagram
20
Pin Functions
20
Description of Major Ics
20
Block Diagram
21
Digital Servo&Digital Signal Processer
21
Terminal Layout
21
Description
22
An8806Sb-W(Ic301) :Rf&Servo Amp
23
LA1838(IC102): FM am if Amp&Detector, FM MPX Decoder
26
LC72136N (IC121) : PLL Frequency Synthesizer
27
Ba15218N (Ic342/Ic343/Ic391/Ic453Ic362/Ic363)
28
BU4094BCF-X(Ic304,Ic303):Serial to Parallel Port Extension
28
GP1U271X (IC701) : Receiver for Remote
29
LB1641 (IC501) : DC Motor Driver
29
An7345(Ic302) Pb/Rec Amp
30
Lc72723
33
Standard Schematic Diagrams
36
CPU & LCD Driver Circuit (UX-V30)
36
CD Servo Circuit (UX-V30)
37
Power Amplifier Circuit (UX-V30)
38
Tuner Circuit (UX-V30)
39
Cassette Mecha Control Circuit
40
Power Supply Circuit (UX-V30)
41
Power Supply Circuit (FS-V30)
41
Main Board
42
Printed Circuit Boards
42
Micon P. C. Board
43
CD Board
44
Tuner P. W. B
45
Parts List
47
Exploded View of General Assembly and Parts List
49
Cassette Mechanism Assembly and Parts List
51
Ux-V30
52
Grease Point
53
Electrical Parts List
56
Packing Materials and Accessories Parts List
66
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JVC UX-V30 Specifications
General
Brand
JVC
Model
UX-V30
Category
Stereo System
Language
English
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