CONTENTS
Safety Certification
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CD PiaY6r Disassembly Procedures . . . . . . . . . . . . . . . . .$, .,... . . . . . . . . . . . . . . . . ,., ,.,.’, ::.:
Removing the
Disc Tray
,,, ,,.,, ,,, ,0,,, .,, .,,., ,., ..,..
,. .,.0.. 0 . . . . . . . ,0...,.0. . . .
Removin~the Mechan~sm
,. .,0.,. ,, .,,.0. ., ..,.., .$
N6te for Assembling Disc Tray
. . . . . . . . . . . . . . . . . . . . . . .
CD Player Block Diagram
,, ..0..,. . . . . . . . . . . . . . . . . . . . .
CD Player Adjustment Points . . . . . . . . . . . . . . . . . . . . . . . . . . .
CD Player Adjustment Procedures . . . . . . . . . . . . . . . . . . . . . .
Before Checking or Adjusting CD Player
. . . . . . . . . . . . . . .
. . . . . . . . . . 6 . . . . . . . . . . . . . . . . . . . .
. . .
...0.. . . . . . . . . . . . . . . . . . . . ..0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
.0 ...,,.. . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . ...0. . . . . . . . . . . . . . . . . . . . . . . .
Checking Focu{ErrorSignal . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Free Run Frequency Adjustment . .
. . . . . . .
... !.... . ..0..0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting of Initial Position of Volume
,., ,., ,.
,0 .,..,. ., ..,... ,,, ,, ... .,0, . . . . ,. ...,., . . .
Focus Offset Adjustment . .
., ..0... . . . . . . . . .. 0,.,..
.0 .0.... . . . . . . . . ., . . ...0 . . . . . . . . 0.
Tracking Offset Adjustment
... ..,.. ,, .,,.,. . . . . . . . . . . . . . . . . . . . . . . . . ,. 0,.0.. . . . . . . . . .
Linear Motor Offset Adjustment
,., ..,.. . . . . . . . . . . . . . . . . . . . . . . . . . . ...0.. . . . . . . . . .. 000.
E/F Balance Adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,0 ...,,,. ,., ,. ,0., . . . . . .
Adjustment of Focus/Tracking Gain
., .,.... . . . . . . . . . . . . . . . . .,0 . . . . . 0..,.... . . . . . . . . . . .
Focus Gain Adjustment
... .,,.,, ., .0,.,,, ., .,,,.,, ., . . ...0. 0.,..,... . . . . . . . . . . . . . . . .
Tracking Gain Adjustment
. ...,,,.,. , ...4,..., , ...,,,,0, 0.?, .,,,4, ,, .,,,.,,. . . . . . . . .
Kick Gain Adjustment
,, .,...0,. . 00.,0..,. ,, .,,,,,,. , ..,.,,,.. ,,, ,,4, ,,, ,, ...4..... .
Confirming Jitter
. . . . . . . . . . . . . . . . . . . . . . . . . . . ,. .,,.,,, . . . . . . . . . .. 0.,..,, .,, . .. s.,
0..
Adjustment of Turntabie Height
., ,0,..., .. 0...0., . . . . . . . . . .,, ,, .,,. $. . . . . . . .
,. .,,,.0.
Diffraction Grid Adjustment
,. ..,... ,., ,. .,. . . . . . . . . . . . . . . . . . . . . . . . . . ..!.... . . . . . . . . .
Diffraction Grid
Adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...0.. .
3
4
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6
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6
6
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7
7’
8
8
8
8
9
ii
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,,
l!.,~
CD Player Mechanism Exploded View& Parts List
. ...0..,. . . . . . . . . . . . . . . . . . . .,, ,, .,.. ,.. .#.
10
Block Diagram (Main Unit Section)
. . . . . . . . . . . . . . . . ... ...0.
,, .0.... . . . . . . . . . . . . . . . . . . . . . .
11
System Block Diagram (Function Section)
... . . . . . ,, ..,,.. . . . . . . . . .. 0.0... 0,.,,00. .! 0.0...
12
M-COM (LC6554H) System Biock Diagram
., ..,..0. .0 .,.0.., . . .. s.,., . . . . . . . . . . . . . . . . . . ..0
13
Caution on RF Adjustment
. . . . . . . . . . . . . . . . . . . . ,, ..,,,.., . . . ...0... . . . . . . . . . . . . . . . . . . . . .
14
System Ciock Adjustment
., .,,,,,, . . . . . . . . . ,,, .,,.., ,. .,..,,0 . . . . . . . . . ., .,,,,,0 Os0,...
14
FM Tuner Ailgnment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... ,0.,.. ,, ..,..00 . . . . . . . . . . .
14
AM Tuner Alignment
. . . . . . . . . . . . . . . . . . . ..,, ,. .,,,,, .,, ..,,.,, s,, ,,, . . . . . . . . . . . . . . . . . . .
15
Cassette
Deck Eiectricai Adjustment
. . . . . . . . . O* .,...,. ,. .,,..,, ., .,,,.,, ., .,.,,., 0,, ..,..
16
Before Adjustment . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
Measuring instruments Required
,, ...,.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
Switch Positions
. . . . . . . . . . . . . . . . ,,, .,.., . . . . . . . . . . . . . . . . ,, .,..,. . . . . . . . . . . . . . . . . ,.
16
Normai Tape
Speed Adjustment
,., ,,, ,. . . . . . . . . . . . . . . . . ,. ..,.,0 .,, .,0.. . . . . . . . . .0 .,..
16
High Speed Tape
Speed Adjustment
,., ,, .,.. ,, .0,..,. .,, ,,, ... ... ,,, ,., . . . . . . . . . . . . . .
Head Azimuth Adjustment . .
. . . . . . . . . ... ..,..0 . . . . . . . . . ,., .,,.,. ., .,0..,, . . . . . . . . . .0
;:
Piayback Sensitivity Adjustment
. . . . . . . . ... . . . . . . . . . . . . . . . . . ,., ,. .0.. . . . . . . . . . . . . . . . . .
17
FL Meter Sensitivity Adjustment
,,, ..,,,, ,, ..,,.,, . . . . . . . . . ,,, ,, . . . . ... .*,,.. . . . . . . . . .
17 ..,, ‘:,
Recording
Bias Level Adjustment (Deck2)
.,,
. . . . . . . . . . . . . . . . . . . ...,..0. . . . . . . . . .
. . . . ...0. .
17 ‘“-””-’’””’i’
Cabinet Exploded View & Parts List
18
“,.
,0,,...00 .0, .,...0 . ,0 ...,.... . . . . . . . . . 0 . . . .. $0. .0 . . ...0
Cassette Deck Mechanism Expioded View &Parts List ‘ I
. . ...0...
.,, ,., ..,. . . ...0... . . . . . . . . . . . .
21
P.C.Board Parts List
,,.
.,
. . . . . . . . ... ,., ,.
0 ...,... . . . . . . . . . ...0... . . ...0.. . . . . . . . . . . . . . . . . . .
23
P.C.Board Parts List
,,
,. .,,.,. . . . . . . . . ,, .,,,., ,. .0.... ... ...0,
,. ..0..0 . . . ...0. . . . . . . . . . .
28
Wiring Diagram (CD Piayer Section)
. .,,.,,,,,
. . . . . . . . . . ,0 .,,..... . .,,0,,,,, ,,, .00...,0 . .
51
Wiring Diagram (Power Main Section)
. . . . . . . . . . . . . . . . . . . . . . . . ,. .,..,, . . . . . . . . ,,, ..,., ,,,
52
Wiring Diagram (Main Unit Section)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...0... . . . . . . . . . . . . .
53
Schematic Diagram (Tuner Section)
. . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
55
Schematic Diagram (Deck/Function/Front Controi Section)
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57
Schematic Diagram (Deck/Function Section)
. . . . . . . . . . . . . . . . . .
.0 ..,,.,. . . . . ...0. . . . . . . . . . .
59
Schematic Diagram (CD Piayer Section)
. . . ... . . .
0...0...’. .. ’0....., . . . . . . . . . . . . . . . . . . . . . . .
61
Schematic Diagram (Main Power Section)
.:
. . . . . . . . . . . . . . . . . .
0,, .,,.,, . . . . . . . . . ,,, ,. .,... . .
63 0
iC Block Diagram
,., ,, .,. ,,, ,,, ,! ,,, ,,, !* ,,,~~,f, ,,tt f,,,, :,~~t,,~ ,,, ,,, ,, ,,, ,. .,. ,,, ,
64
IC &
Transistor Lead Identltlcat{ori
, .,4,,,.,., . . . . . . . . . . 0 . .,,,,..., 4 . . ...*.... C** S* .4.**. .
79
1,
–2–
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