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MX-J100
JVC MX-J100 Service Manual
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MX-J100
1-28
KS9286B (IC928) :
DSP/D-A Converter
26
32
33
30
11
12
14
77
67
80
24
17
22
37
38
36
69
68
8
9
72
73
75
76
70
4
2
5
3
66
19
20
7
29
65
63
62
61
EFMI
CNTVOL
DPFIN
DPFOUT
DPDO
SMEF
SMON
SMDP
SMSD
LOCK
XOUT
XIN
MDAT
MCK
MLT
TRCNT
/ISTAT
LRCHO
ADATAO
BCKO
BCKI
ADATAI
LRCHI
EMPH
VREFL1
VREFH1
XTALSEL
TESTO
CDROM
TEST1
DATX
RCHOUT
LCHOUT
S0S1
SBCK
SDAT
SUBCODE
SYNC
DETECTOR
SUBCODE
OUTPUT
SUBCODE-Q
REGISTER
EFM
PHASE
DETECTOR
FRAME SYNC
DETECTOR
PROTECTOR
INSERTER
EFM
DEMODULATOR
SQDT
SQCK
DIGITAL
PLL
DIGITAL
CLV
SERVO
23BIT
SHIFT
REGISTER
X-TAL
TIMING
GENERATOR
CPU
INTERFACE
TRACK
COUNTER
MODE
SELECTOR
DIGITAL
OUTPUT
ADDRESS
GENERATOR
16K
SRAM
ECC
INTERPOLATOR
DIGITAL
FILTER
& DE-EMPH
D/A
CONVERTER
8BIT DATA BUS
27
29
Table of Contents
Table of Contents
1
Area Suffix
1
Safety Precautions
2
Warning
2
Alternate Check Method
2
Important for Laser Products
3
Grounding to Prevent Damage by Static Electricity
4
Handling the Optical Pickup
4
Attention When CD Mechanism Assembly Is Decomposed
4
Preventing Static Electricity
4
Removing the Top Cover and the Side Covers
5
Disassembly Method
5
Removing the CD Tray Fitting
6
Removing the CD Changer Unit
7
Removing the Front Panel Assembly
8
Removing the Rear Panel
9
Removing the Mother(Main) Board
9
Removing the Power Transformer
10
Removing the Tuner Board
10
Removing the Heat Sink
10
Removing the Power / CD Switch Board
11
Removing the System Board
11
Removing the Headphone Board
11
Removing the Cassette Mechanism Assembly
11
Removing the CD Tray
12
Reinstall the CD Tray
12
CD Changer Unit
12
Removing the Sensor Board / the Tray Motor
13
Removing the CD Mechanism Holder Assembly
15
CD Mechanism Section
16
Removing the Pickup Unit
16
Removing the Motor Board
16
Removing the Feed Motor
16
Removing the Pinch Roller
17
Cassette Mechanism Section
17
Remove the Erase Head
17
Removing the R/P Head
17
Removing the Motor
18
Removing the Mechanism Board
18
Removing the Flywheel
18
Ajustment 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
Cassette Deck
21
To Adjust Tape Speed
21
Adjust Deck B Play Level/Rec BIAS
22
Adjust Deck a Play Level
22
To Adjust Playback Lebel/Rec
22
Flow of Functional Operation until TOC Read
23
Cleaning the Pick up Lens
24
Life of the Laser Diode
24
Maintenance of Laser Pickup
24
Replacement of Laser Pickup
24
LC75341 (Fic1):Function
25
Description of Major Ics
25
Lc72131D (Hic1) : Pll
26
Stk402-040 (Aic1)
26
La1837 (Tic1) : Fm If/Det am Rf/If/Det
27
KS9286B (IC928) : DSP/D-A Converter
28
Kb9223 (Ic922) : Assp(CD Rf)
29
KA9258D (IC925) : 4-Ch Motor Driver
30
KA22291(DIC1) : Cassette Amp.
30
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JVC MX-J100 Specifications
General
Brand
JVC
Model
MX-J100
Category
Speaker System
Language
English
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