Technics RS-M228X - Page 2

RS-M228X
CONTENTS
ITEM PAGE
LOCATION OF CONTROLS AND COMPONENTS ------------ 2
DISASSEMBLY INSTRUCTION --+----cseeers sees eeeee te teeee ee eees 3
MEASUREMENT AND ADJUSTMENT METHODS
(without dbx SYSTEM) ‘ibietalerbisiaiolelala'e einitie slorw-sjateisiels ewwle eerie viele lois 5
MEASUREMENT AND ADJUSTMENT METHODS
(for dbx SYSTEM) (gE ut saiate Syste ySejeie bie ware dig 915 olan Cat sigleieretelg bate ever 11
* TROUBLESHOOTING CHART FOR dbx SYSTEM ---- 11
* ADJUSTMENT PARTS LOCATION OF dbx
SYSTEM feesccceston stoves nnd Sia teowetnn reduce tet ee teenasiy se 13
* BLOCK DIAGRAM OF dbx SECTION ------+--eeeeeeeee ee 13
* dbx SYSTEM CHECKING METHOD ..---------------e-5+ 5 14
¢ ADJUSTMENT OF dbx SYSTEM --vecececececeeeeeeeeee ees 15
* CHECKING PROCEDURE FOR PROBLEMS -.---------- 16
-
ELECTRICAL
PARTS
LOCATION
-:-:::ceccececeeeeeeteeeeeeneees
18
BLOCK:
DIAGRAM
2-:
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20
ITEM PAGE
SCHEMATIC DIAGRAM
(MAIN/POWER SUPPLY SECTION) ----:++seereeeeeeeees 22
CIRCUIT BOARDS
(MAIN/POWER SUPPLY CIRCUIT BOARD) ----+----- 25
SCHEMATIC DIAGRA
(dbx SECTION) ---:-e:ceceseecee eee eeeeteeeeeeenteeneeeseereeeees 29
SCHEMATIC DIAGRAM
(FL METER SECTION) --c-eecceeeeece eet eceeseeeeeeeea seen eres 30
CIRCUIT BOARDS
(dbx/FL METER CIRCUIT BOARD) ----:++-esreerrereees 31
WIRING CONNECTION DIAGRAM .--eeeeeeeeeeeeeeeeneeer tenes 33
CABINET PARTS LOCATION <0: -e:-sseececeeeeee teste eeeereeeaees 35
MECHANICAL PARTS LOCATION -evcececcecececeteeeteeeeenee 37
MOTOR UNIT DISASSEMBLY ------:ereeceeteereeet eee eeteeea ees 40
PRECAUTIONS FOR MECHANISM UNIT ASSEMBLY ---- 40
LOCATION OF CONTROLS AND COMPONENTS
Headphones Jack (phones)
Power Switch [power (push on)}]
Eject Button (eject)
Cassette Holder
Tape Counter (tape counter)
Recording Indicator (rec)
Tape Indicator
[Auto Tape Select (NormaleCrOzeMetal)]
FL (fluorescent level) Meter
Input Level Controls
[input level (L-®-R)]
Noise Reduction Select Switch
[Noise Reduction (Dolby NR**eout
dbx] tapee (dbx| disc)]
Fast Forward/Cue Button
[ff/cue (>> )]
Rewind/
Review Button
{rew/rev ( ¢4)]
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1
t
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1
Counter Reset Button i
(counter
reset)
|
Input
Select
Button
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I
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i
¢
[input select ( @linee = mic)]
Microphone Jacks [mic (left@right)]
Record-Muting Button [rec mute (0))
Output Level Control (output level)
(ea he Power Voltage Selector
[DIN] ...* For all European
areas except United Kingdom,
Asia, Latin America, Middle
East and Africa areas.
0
Record Button
{rec- 9 (O)]
Play Button
(play- G(P))
Pause Button
[pause (1)]
Stop Button
[stop (@)]
;
Line Output Jacks (LINE OUT (LeR)]
Line Input Jacks [LINE IN (Le@R)]
—> 2 =—