Technics SAEH 590 Service Manual

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ADO30301OC8

Service Manual

Cassette Deck

RS-DV290EG
Colour
(S)..........Silver Type

Remote
Central
Transmitter

SL-EHSSO SH-EHSSH

sB-EHssu RS-DVZBD SA-EHSJU sB-EHsso

SPECIFICATIONS
system sc-EHsso
Sound Processor SH-EHSQO
Because of unique interconnecting cables. when a component Tuner/Amplifier SA-EHSSO
requires service, send or bring In the entire system. co Player SL-EHSSU
Cassema Deck Hs-szso
Front Speakers SB-EHSQG

* : Made in Singapore.

Specifications

Deck system: Stereo cassette deck SIN (Signal level = max recordlng level. TYPE 11 type tape):
Track system: 4 track, 2 channel NR ufl; 56 dB (A weighted)
Recording system: AC bias Dolby B NH on; 66 dB [A weighled]
Bias frequency: 100 kHz Input sensitivity and impedance:
Erasing system: AC erase REC (IN): 150 mV/ 23 kn
Heads: Output voltage and impedance:
Deck 1 PLAY (OUT); 280 mV/ 360 51
(Playback head); Permalloy head General
Deck 2 Dimensions (WXHXD): 294m l85x281 mm
(Recording/Playback headl: Fem-alloy head Mass: 21 k9
(Erasing head); Double gap Ierrlte head
Mom's; Notes: Specifications are subject to change Without notice
Deck 1, 2 Capslan drive; DC servD motor Mass and dimensions are approximate
Tape speed: 4.8 cm/s
Wow and flutter: 0:16 "/e (WHMSJ

Manufactured under license from Dolby Laboratories.

Fas' mam "d W'MI'MBS: App'ox'cjggcsgnggg: 'Dolby" and me acumen symbol are trademarks or Dolby
Frequency response (Dolby NR ofl): Emmy

TYPE I (NORMAL); 20 Hz - 16 kHz (DlN)

TYPE 1'1 (HIGH); 20 Hz - is kHz (DlN)

TYPE IV (METAL); 20 H2 716 kHz (DlN)

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A. WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced prolessional technicians Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

Technics
1. Note

Refer to the service manual for Model No. SA-EH590EG, SA-EH590EP (Order No. AD0302008C8)
for information on Accessories and Packaging.

2. Location of Controls

3. Operation Checks and Component Replacement I

Procedures

- This section describes procedures for checking the operation of
the major printed circuit boards and replacing the main
components.

- For reassembly after operation checks or replacement, reverse the
respective procedures. Special reassembly procedures are
described only when required.

3.1. Checking for the main P.C.B.

Step 3)
emove the top cabinet.

9x4

- Check the main P.C.B. as shown above.

3.2. Checking for the operation P.C.B.
- Follow the (Step 1) - (Step 3) of item 3.1.

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(Step 4)

Remove the pulley gear, change
gear and UP/DOWN gear.

Change gear

Pulley gear 4%

Bonom SW P.CE.

H-lfin

(Ste? 6)
Insta | the (ray lock spring to

the hook lemporally.

Slep 7
elease

Step 5)

elease lhe 2 claws,
and men remnve the
bottom SW P.C.B..

)
the claw, and then
remove the tray lockv

Tmy lock

Tray

lock spring

Page 191

Play mode and . Cancellation
9' button combination F mm" Dsp'ay method
yea.on In STOP mode, press Version display xALyfziz Cancelled
display STOP Mi? °" "9 l I L System controller release number automatica'ly
{fl/9" J 7 fulm f 1 System controller model number 5 5900"
5 ""w S cm m m *- System oontmllergeneratlon '3

Dealers lock in STOP mode, press Dealers lock . 'LOCKED Sign apps when deaieps Repeat the
STOP The lock is swrtohed ON orOFF lock is switched on. or when secondary same .
on the player, and PLAV When dealers lock is ON, it ptohlblts power key grimy opening key is pressed operation.
button on the remote the tray opening. white the lock is on,
control unit lora second When the lock is sWitehed. its ON/OFF .UNLOCKED- sign appeafs when dealers

status is stored in EEPROM. lock is switched olt.

Initialization lrr STOP mode, press initialization lNlTlALIZED
STOP button on the User settings are oanoelled and player
player and '210' button on is initialized to factory setting.
the remote control unit

Region dtsplav In STOP mist Press Regton dtsplay LYYJZZ Cancelled
STOP button on the t 4 t automatically
player. and 6 button on 5 seconds
the remote control unit l l L 1 NTSC / 6 PALE later

l N: noPAL / F': PAL
% Region No,
Tt_t234_557s
T y y. k in STOP mode, press Timer I check Cancelled
"m ° 9° STOP button on the Operation time ol laser operation timer ahwnhggel '3" 'i W '33 "met and '° automatically
player, and a button on is measured separately tor DVD laser e "9 W 9 5 seconds
the MIME Wm. uni. and CD laser Time is shown in 4 digits oldeclmal notation lam
inaunitollo hours. '
none will tollow 9999.

Time, 1 may wtiile displaying Timer 1 Timer] reset T1_ouoo_uooo Cancelled
data. press 'STOP' button Operation time oi laser operation time automatically
on the player. and V or both DVD laser and CD laseris 5 eeoonds
button on the remote reset all at once. Islet
control unit.

T 2 h k in STOP mode. press Timer 2 check T2425 Cancelled

9' ° 9° STOP button on the Spindle motoroperation timer automatically
player, and '> ' button on Time is shown in 4 digits cl decimal notation in 5 seconds
the remote oontrol unit a unit ol to hours. later.

0000 will rollcw 9999.

Time, 2 reset While displaying Timer 2 Wm 2 reset T2_ouoo Cancelled
dam, press "STOP button on Spindle motor operation timer automatically
the player, and 4 button on 5 seconds
the remote control unit, later.

7.6. Sales demonstration lock function

This function prevents discs from being lost when the unit is used for sales demonstrations by
disabling the disc eject function. "LOCKED" is displayed on the unit, and ordinary operation is
disabled.

7.6.1. Setting
The sales demonstration lock is set by simultaneously pressing STOP button on the player and
PLAY button on the remote control unit.

7.6.2. Cancellation
The lock can be cancelled by the same procedure as used in setting. ("UNLOCKED" is displayed
on cancellation. Disconnecting the power cable from power outlet does not cancel the lock.)

7.7. Handling After Completing Repairs

Use the following procedure after completing repairs.

7.7.1. Method
Confirm that the power is turned on:

1. Press the OPEN/CLOSE button to close the tray.
2. Press the POWER button to turn off the power.
3. Disconnect the power plug from the outlet.

7.7.2. Precautions

42

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@ A-B repeat button (A-B REPEAT)
® Repeal play button (REPEAT)
@ cu edit button (CD EDIT)
@ Disc direct open buttons (DIRECT OPEN, DISC 1-DISC 5)
® Disc tray open/close button (A, OPEN/CLOSE)
® Skip/search buttons 044/44, pylm)
@ Disc select buttons and indicators (DISC, 1-5)
Green: Indicates that the tray is ready to play its disc or to be opened.
® Disc tray
® Cinema mode button and indicator (CINEMA)
® Double re-master button and indicator
(DOUBLE RE-MASTER)
® Stop button (I)
® Pause button (I I)
® Play button and indicator (D)
The colour of lhe indicator depends on lhe operation taking piaoe.
If stopped: orange
If piaying: green
If paused: llashes green
When the resume lunction is on: flashes orange