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MX-GA77
JVC MX-GA77 Manuals
Manuals and User Guides for JVC MX-GA77. We have
2
JVC MX-GA77 manuals available for free PDF download: Service Manual, Instructions Manual
JVC MX-GA77 Service Manual (89 pages)
COMPACT COMPONENT SYSTEM
Brand:
JVC
| Category:
Stereo System
| Size: 6.57 MB
Table of Contents
Table of Contents
1
Area Suffix
1
Safety Precautions
2
Warning
2
Importance Administering Point on the Safety
3
Fuse Board (Forward Side)
3
Power Supply Board (Forward Side)
3
Preventing Static Electricity
4
Grounding to Prevent Damage by Static Electricity
4
Ground the Workbench
4
Ground Yourself
4
Removing the CD Tray Fitting
5
Removing the CD Changer Unit
5
Removing the Metal Cover
5
Disassembly Method
5
Removing the Front Panel Assembly
6
Removing the Heat Sink & Amp. Board
7
Removing the Tuner Board
7
Removing the Rear Panel
7
Removing the Main Board
8
Removing the Power Cord
8
Removing the Power Ics
8
Removing the Power Transformer
8
Removing the CD Switch Board
9
Removing the Front Board
9
Removing the Headphone Jack Board
9
Removing the Cassette Mechanism Assembly
9
Reinstall the CD Tray
10
Removing the CD Tray
10
CD Changer Unit
10
Removing the Sensor Board
11
Removing the Turn Tray Motor
11
Removing the Belt, the CD Board and the Switch Board
12
Removing the CD Mechanism Holder Assembly (Mechanism Included)
13
CD Mechanism Section
14
Removing the Pickup Unit
14
Removing the Motor Board
14
Removing the Feed Motor
14
Cassette Mechanism Section
15
Removing the R/P Head
15
Remove the Erase Head
15
Remove the Pinch Roller
15
Removing the Flywheel
16
Removing the Mechanism Board
16
Removing the Motor
16
Removing the Side Panel
17
Removing the Side Speaker
17
Speaker Section
17
Wiring Connection
18
Color Codes
18
Adjustment Method
19
Tuner
19
Adjustment Location of Tuner PCB
19
OSC Voltage
19
FM THD Adjustment
20
FM Search Level Adjustment
20
AM(MW) I.F Adjustment
20
IF CENTER and THD Adjustment
20
Adjust Deck 1 Play Level
21
Cassette Deck
21
To Adjust Plabyback Level/Rec
21
To Adjust Tape Speed
21
Adjust Deck 2 Play Level/Rec BIAS
22
Flow of Functional Operation until TOC Read
23
Cleaning the Pick up Lens
24
Life of the Laser Diode
24
Semi-Fixed Resistor on the APC PC Board
24
Maintenance of Laser Pickup
24
Replacement of Laser Pickup
24
Troubleshooting
25
Power Malfunction
25
No Output
25
Tuner Malfunction (FM/AM)
26
Tape
26
CD
27
Power on and CD Function
27
CD - MP3 Parts
28
LC876764 (UIC1) : Microcontroller
29
Pin Layout
29
Block Diagram
29
Description of Major Ics 1-29~42
29
Pin Function
30
KA9258D (IC301) : 4-Ch Motor Driver
31
KB9226 (IC101) : RF Amp. & Servo Signal Processor
32
5L9290 (IC201) : Digital Signal Processor for CDP
34
HA12237 (JIC01) : Audio Signal Processor
36
KS9274 (IC601) : CD-MP3 Decoder
37
TDA7442D (EIC01) : Audio Processor
38
L4959 (PIC02) : Voltage Regulator
39
M11L1644 (Ic602) : Dram
40
STK403-070 (FIC01) : Power Amp.
41
STK412-020 (WIC01) : Power Amp.
41
Pt8300 (Uic03, Uic04) : Dram
42
Compact Component System
45
Block Diagram
47
Standard Schematic Diagrams
48
Main Section
48
FL Display & System Control Section
50
CD Section
54
Printed Circuit Boards
58
Main Board
58
Front Board
60
Power Supply Board
65
Parts List
67
Exploded View of General Assembly and Parts List
68
CD Changer Mechanism
68
Parts List (General Assembly)
70
Speaker Box
72
CD Changer Mechanism Assembly and Parts List
73
Cassette Mechanism Assembly and Parts List
75
Electrical Parts List (Main Board)
77
Electrical Parts List (Front Board)
81
Electrical Parts List (Amp. Board)
83
Packing Materials and Accessories Parts List
88
Parts List (Packing)
89
Parts List (Accessories)
89
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JVC MX-GA77 Instructions Manual (68 pages)
Compact Component System
Brand:
JVC
| Category:
Speaker System
| Size: 4.16 MB
Table of Contents
Table of Contents
5
Location of the Buttons and Controls
6
Front Panel
6
Remote Control
8
Getting Started
9
Unpacking
9
Putting the Batteries into the Remote Control
9
Connecting Antennas
9
Connecting Speakers
10
Connecting Other Equipment
11
Canceling the Display Demonstration
11
Common Operations
12
Turning on or off the Power
12
Setting the Clock
12
Selecting the Sources
12
Adjusting the Volume
13
Reinforcing the Bass Sound
13
Enjoying the Heavy Sound
13
Selecting the Sound Modes
14
Turning on or off the Key-Touch Tone
14
Listening to the Radio
15
Tuning in to a Station-Auto Search
15
Presetting Stations
15
Tuning in to a Preset Station
15
Playing Back Cds
16
Loading Cds
16
Playing Back Cds-All Disc and One Disc
16
Basic CD Operations
18
Changing the MP3 Playback Mode
20
Turning on or off the Resume Play for MP3 Disc
20
Programming the Playing Order of the Tracks -Program Play
21
Playing at Random-Random Play
22
Repeating Tracks or Cds-Repeat Play
22
Prohibiting Disc Ejection-Carrousel Lock
22
Playing Back Tapes
23
Playing Back a Tape
23
Recording
24
Recording a Tape on Deck B
24
Dubbing Tapes
25
CD Synchronized Recording
25
Using the Timers
26
Using Daily Timer
26
Using Recording Timer
27
Using Sleep Timer
28
Timer Priority
28
Maintenance
29
Troubleshooting
30
Specifications
31
Table of Contents
41
Location of the Buttons and Controls
42
Front Panel
42
Remote Control
45
Getting Started
45
Unpacking
45
Putting the Batteries into the Remote Control
45
Connecting Antennas
45
Connecting Speakers
46
Connecting Other Equipment
47
Canceling the Display Demonstration
47
Common Operations
48
Turning on or off the Power
48
Setting the Clock
48
Selecting the Sources
48
Adjusting the Volume
49
Reinforcing the Bass Sound
49
Enjoying the Heavy Sound
49
Selecting the Sound Modes
50
Turning on or off the Key-Touch Tone
50
Listening to the Radio
51
Tuning in to a Station-Auto Search
51
Presetting Stations
51
Tuning in to a Preset Station
51
Playing Back Cds
52
Loading Cds
52
Playing Back Cds-All Disc and One Disc
52
Basic CD Operations
54
Changing the MP3 Playback Mode
56
Turning on or off the Resume Play for MP3 Disc
56
Programming the Playing Order of the Tracks -Program Play
57
Playing at Random-Random Play
58
Repeating Tracks or Cds-Repeat Play
58
Prohibiting Disc Ejection-Carrousel Lock
58
Playing Back Tapes
59
Playing Back a Tape
59
Recording
60
Recording a Tape on Deck B
60
Dubbing Tapes
61
CD Synchronized Recording
61
Using the Timers
62
Using Daily Timer
62
Using Recording Timer
63
Using Sleep Timer
64
Timer Priority
64
Maintenance
65
Troubleshooting
66
Specifications
67
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