RS・『R575
■SELF・DIAGNOSTIC
lndicating Procedure
To indicate Self・Diagnos量ic Function
1．Check both Deck l and2are empty（no cassette tape），
then tum on the power．
2．Pressand holdthe DOLBY（NR）button（formorethan3
seconds），and also press the Deck2STOP（■）button
forabout2seconds until the level meterchangesfrom
constantly Iit to bllnking、
3．Insert a normai blank cassette tape，either A or B side
of which has the erase preventing piece folded． Then
close the cassette holder．
4、Press the Deck2FWD．PLAY（＞）button and pIay the
tape for more than l second，then press the DECK2
STOP（■）button．
5．1nsert a normal blank cassette tape for DECK2，both A
and B sidesof which have theerase preventing pieces
respectively，and close the cassette hoIder．
（NOTElRewindthetapeforlor2minutesbeforeuse．）
6．Press the REC（●）button．
This automaticaIly makes Deck 2 perform the
foIlowing operations．
I ndicating Position
圃
匝
／
＼
一
［
i
｝
lC
10
⊂）1
α
園
野覧○…δ．
園
DECK量
邑
邑
DECK2
｝
ロ主呂鱒□立
一︸
o．
一・
一．嘲酬 咽 r 嘱一 ｝
E∋1・i
・卜1
卜・
回へiOf2「・11
ld・1，）1
、 ，
1
1 1
﹀画
i
1
lPOWER旧軋酬
Self・Diagnostic Function lndication
（Example》
「．し
し
q吟一20 畠憾 一 一6
レ 臼
〔．しコ
ー3 閃O 十2 十4
レ
Record an eight second portion with no sound。■》Record a20second portlon off400Hztest signal．
号
TPS・REVlEW search mode←Stop the unit
（NOTE＝Thetape hastobetaken up byplaybackforabout l minute．）
7、Repeat the procedure above for Deck1．
8．To check the self−diagnostic results，press the Deck l STOP（■）button for Deck1，and press the Deck2STOP
（■）button for Deck2．
These results are indicated in the respective displays．
9」f there is no fault，the counter display remains unchanged when the STOP（■）button is pressed．
To resume Ordinary lndlca量ion
To retum the display to normal mode，switch the power off and then back on again．
To have the indication apPear again，take the above−stated steps1，2and8．
NOTE＝The seIf・diagnostic results are stored in memory．
To clear this memory，press and hoId the Deck2STOP（■）button for at least6seconds untilCLappears
in the Deck2FL display．
Pressing the Deck2STOP（■）button clears the Deck l memory at the same time．
Be sure to clear the memory after the repair．
Indication Text
SymboI
Trouble
Remedy
HO1
lrreguIar action of cassette mechanism．
（Example）Pressing the FWD PLAY button results in REW
PLAY action．
The cassette mechanism mode switch（S971，S971A）and
plunger are defective．
（Check and replace them．）
HO2
No recordlng can be made，orthe unit is placed in the
recording modethough the erase preventing piece has
been broken．
The erase preventing switch（S974，S974A，S975，S975A）
contacts improperly，orthere is a shortcircuit．
（Check and replace the switch、）
HO3
Pressing the PLAY（〉）button fails to pIay the tape．
Pressing the PLAY（レ）button causes the motor to rotate
though no cassette tape is in．
The cassette half detect switch（S972，S972A）contacts
lmproperly，orthere is ashortcircuit．
（Check and replace the switch．）
HO4
The cassette holderwinot open orclose when the
OPENICLOSE（▲）button is pressed．
一
Presslng the OPEN／CLOSE（▲）buttton causes the
−
cassette holder to open after it has closed，and vice versa．
The cassette holder openlclose detect switch（S803，
S804，S853，S854）contacts improperly，orthere isa
shortcircuit。（Check and replace the switch．）
HO5
HO6
No treble is produced when a normal tape is played or
recorded．
Excessive treble is produced when a CrO2／Metal tape is
played，or the recorded treble is destorted and at a low
level．
The auto tape seIect（CrO2）switch（S973，S973A）contacts
improperly，orthereis ashortcircuit．
（Check and replace the switch、）
HO7
The automatic tape select（Metal）switch（S976，S976A）
contacts improperly，orthere isashortcircuit．
（Check and replace the switch．）
FO1
When the PLAY（〉）button is pressed，the tape runs a little
and stops soon．
The haIC（IC971，971A，972，972A）is defective and，as
the result，reel pulse is out of order．
（Check and replace the IC．）
FO2
TPS does not operate．
The PLAYBACK AMP IC（IC2）is defective．
（Check and replace the IC．）
9
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