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UX-T77
JVC UX-T77 Manuals
Manuals and User Guides for JVC UX-T77. We have
1
JVC UX-T77 manual available for free PDF download: Service Manual
JVC UX-T77 Service Manual (65 pages)
Brand:
JVC
| Category:
Stereo System
| Size: 5.19 MB
Table of Contents
Table of Contents
1
Warning
2
Leakage Current Check
2
Safety Precautions
2
Grounding to Prevent Damage by Static Electricity
3
Ground the Workbench
3
Handling the Optical Pickup
3
Preventing Static Electricity
3
Warning Label
4
Reproduction and Position of Labels
4
Important for Laser Products
4
Location of Main Parts
5
Removing the Rear Panel
7
Removing the Side Panel
7
Disassembly Method
7
Removing the CD Player Unit
8
Removing the Power Amplifier Board and Heat Sink
8
Removing the Power Transformer and Power Supply Board
9
Removing the Front Panel Assembly
9
Removing the Tuner Board
9
Removing the Cassette Mechanism Unit
10
Removing the Operating Switch Board
11
Cassette Mechanism Section
12
Removing the Playback/Recording & Eraser Head
12
Reassembling the Playback/Recording & Eraser Head
12
Removing the Head Amplifier & Mechanism Control Board
13
Removing the Main Motor Assembly
13
Removing the Reel Pulse P.C. Board and Solenoid
14
Removing the Flywheel
14
CD Player Unit Section
15
Measurement Conditions
16
Radio Input Signal
16
Tuner Section
16
Adjustment Method
16
Arrangement of Adjusting Positions
17
Cassette Mechanism Section (Bottom Side)
17
Tape Recorder Section
18
Reference Values for Confirmation Items
18
Electrical Performance
19
Flow of Functional Operation until TOC Read
20
Cleaning the Pick up Lens
21
Life of the Laser Diode
21
Maintenance of Laser Pickup
21
Replacement of Laser Pickup
21
MN35510 (IC603) : Digital Servo & Digital Signal Processor
22
Description of Major Ics
22
AN8806SB-W (IC601) : RF & Servo AMP
24
UPD78064GF-108 (IC701) : System CPU
26
TA2057N (IC1) : FM / am if AMP & Detector
27
BH3852S (IC38) : E.volume
28
LA4705NA (IC31) : 2Ch BTL Power IC
29
BA6897FP (IC602) : 4Channel Driver
30
BA15218N (IC32 / IC35) : Dual Ope. Amp.
30
KIA78S06P (IC703) : Regulator
31
PIC-21043SP (IC702) : Remotocontrol Receiver
31
Block Diagram
34
LCD System CPU Section
35
Standard Schematic Diagrams
35
Function Amplifier and Power Amplifier Section
36
CD Servo Control Section
37
Head Amplifier & Mechanism Control Section
38
Printed Circuit Boards
40
LCD System & CPU Board
41
CD Servo Control Board
41
Tuner Board
42
Cassette Switch Board
43
Head Amplifier & Mechanism Control Board
43
Parts List
44
Exploded View of General Assembly and Parts List
46
CD Mechanism Assembly and Parts List
48
Grease Point
48
Cassette Mechanism Assembly and Parts List
49
Electrical Parts List
54
Packing Materials and Accessories Parts List
62
Packing Parts List
63
Accessories List
63
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