Technics SAGX-505 Service manual

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RESISTORS & CAPACITORS

Wotes

: l Capacity

l

Resistance values are in ohms. unless specified otherwise,

valuse

are in

microfarads (uF)

unless specified

other.ise.P=Pico~farads(pF) F=Farads(F)

lK=l. OOO(OW)

,

lY=l. 000k@lM01)

RlD7
RlD8

IRzll

AZ12
R213

ERC62TJ103

IERDSTJ151 1 l/d!?

/ERDSZTJ222 1 1/4W 2.2K
~ERDSZTJ153 1
iERDSZTJ1041

1,4W

'5K

1/4W

h367.368

1ERDSZTJ272T

1,4W 1OOK
1/4w
1,4W 2.7K
1/4w 33
1,4W
1/4w
1,4w
1,4W
1/W
1,4W 2.7K
1,4w
1,4W 47K
1,4W iK
1,4w 10K
,,4W 3.3K
1/4W 82K
1,4W
1,4W 1K
1NW 2.2K

68

56
68
33
56

47K

iOK

47-

R603.604 ERL62TJ563
R605.606 ERDSZTJ182
R601.608 ERDSZTJ663

ERC62TJ470

1,4W 56K
1,4W 1.8K
1,4W 66K
1,4w

47

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1,4w mi

ERC62TJ473

R616m618 ERESlFVJZZlT I/Z+

ERG2ANJP331S 2.t 330

ERDSZTJ684
ERNFVJMT 1mV

1,4w

1,4w 680K

47K

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REAR PANEL TERMINALS AND FUNCTIONS

@

Antenna

@

“VIDEO OUT” terminal

@

Outlets “SWITCHED”

@

AC IN socket (AC IN)

@

Speaker impedance selector

@ “GND”

connectlon

Connect a

input termmal of TV or projection TV

Power to

these

un,,.

Audw equ,pmen, rated up to 80 W (total for all outlets)
can be connected here For proper remote-control operation.
connect the power cords of the
player 10 these outlets as indicated below:

Before use, se,

wnpedance of the speaker systems be,“g used

terminal

Connect the turntable’s ground wire

applicable).

terminals

video connection cable (not Included) lo the video

wflets

IS

cOntrOlled

by the power

ape

lo

fhe correct Impedance corresponding to the

swtch

deck and compacf disc

to

this terminal

@ “PHONO” terminals

C~nnec,

a turntable only DO

source to tnese terminals.

@ “CD” terminals

Connect a

OUT’

@Z “TAPEIDAT”

Connect a tape deck 01 a d&!,al audio tape deck (DAT) by

using stereo c~nnec,lon cables (not included).

of

fhls

0

“VCR 2” terminals

Conner,

connec,,on cable (not Included) and video

(not included)

(lf

-3

~,ere~ CO”~~C,IO~

termma, of the compact disc player

terminals

a second VCR

not

connect any other sound

cable (not Included) to the “LINE

or

a “ldeo disc player DY “Sl”g

conneCtIOn

Th,s ““I,

V,deo d,sc

player

(not included)

SlereO

cable

1

@

“VCR 1” terminals

Connect a “CR by

ed) and wdeo

@

“CENTER OUT” terminal

Th,s

,erm,“al IS

and the Dolby 3 stereo

Connec,

a Y-adaptor cable (not Included) to the
terminal(s) of the external
When

us,“g

thus ““II

to MAX. adjust

the TV

us,ng stewa ~~nne~t,cr

connectlo”

cables (not included)

used lo en,oy the Dolby

swnd

the speakers, after sett,ng the

fhe volume

amplifier

rirkr

cables (not

Pro-Lo!&

or

T”

center

on the external

TV (not included)

tnclud-

Surround

audio l”p”t

level 01 the

ampllfler

SA-GX505

@ Remote-control OUT terminal

(REMOTE CONTROL OUT)

This terminal can be used
which have the

(Consul, your dealer for deta,Is

proper cO”“eC,lO”
SJP2257T

WIII

Connechon
for remoteoxtrol

(Included

wlfh

compact disc

allow

cable-

remote-control transmitter
Connect to a tape deck and/or compact

or

only

with

Technics

appropriate remole-co”lro1 terminal

w,ttl

)

remote-control

control

of some functions from

components

COnneCtlO” cables

disc

player as shown

thls unll’s

I

n

ACCESSORIES

AC

power supply

(SJA172-I)’

(SJA172) (PC)

AM loop antenna

(SPBI 163T)

FM ,ndoor antenna
(SSA272t.q..

(P)

cord

INPUT

q

1pc.

1 pc.

1

PC

Remote-control tra”Smlttel
(RAK-SASOl

P,,

AM

anfenna

(SMA233-1

holder .I pc

M)

-4

8

a

.

..lpc

BafterleS

(“M-4

“AAA”

Screws
(XTN3+10AFZ)

R03)

2

pcs

2 pcs

Amplifier section

33

Speaker selectors (SPEAKERS)

These S&?C,‘xS
(n an&x B,

are

used 10 Select the speaker svstem(s)

/

SA-GX505

@

Parametric EQ system memory button

(MEMORY)

ThlS button enabies the C”w?S 10 be Stored I” the palamefllc

EQ system memory

20

Fixed preset button (FIXED PRESET)

ThIS button IS used l0 ,eca,,
mall. ““It’s memlxy

a

‘fIxed preset” C”l”e from ,Ile

38;

Parametric EC band select buttons

These buttonS

$9

Equalization preset buttons

(MANUAL PRESET)

These buttons are used f0l stowlg 01 recallI”g ,tle C”lw?S

made by the

are

“S&v3 to Select ,tle band 10 be ad,“sted

parametric

EQ

system

@Volume control (VOLUME)

s@

Headphones jack (PHONES)

@

Dolby Pro-Logic Surround input balance

trol (SURROUND INPUT BALANCE)

@

Balance control (BALANCE)

con.

SA-GX505

1

Amplifier section

@

Parametric EC system ON/OFF button

(P. EQ SYS)

This button IS used tc
OFF

Dolby Pro-Logic Surround ON/OFF button

turn

the

parametnc

ED system ON or

(SURROUND)

T~!s

button IS used t0

effect

actuate

the

Dolby Pro-Logic Surround

@ Fine mode select button (FINE)

Th,s

button IS used to

parametric

@ Slope changeover button [SLOPE

This button is used 10
parametric

@

Parametric

(P.EQ/TONE)

This buftcn IS
mode

@$

Center frequency select/bass control

(CENTER FRED/BASS)

This control is used lc select the center frequency in the
parametric EQ mode or tc adjust the low-frequency sounds in
the tone mode

@ Frequency level/treble control

(LEVEL/TREBLE)

This control is used tc adjust the frequency level in the
parametric ED
mode.

Me-adjust

EQ.

increase or

EC)

curves

EQltone

mode select button

used tc select

mcde

or the high-frequency sounds in the tone

the center frequency Of the

(Q)j

decrease the slope of the

parametnc

ED mode or tone

@I

Dolby 3 stereo ON/OFF button (3 STEREO)

This button is used tc activate the Dolby 3

@ Center mode select button (CENTER MODE)

Each bme you press
as

fcllcws:

@I

Test slgnal button (TEST)

When

,h!s

buttcn tc activate

balance of the center speaker and rear speakers.

8

Center speaker level adjustment buttons

(CENTER LEVEL)

These

buttcns

center speaker

@ Rear speaker level adjustment buttons

(REAR LEVEL)

These buttons are used tc adjust the volume level of the rear
speakers.

-6

,hls

NORMAL- PHANTOM- CENTER OFF.

“s,ns

button, the center mode will change

the center speaker and the rear speakers, press

the test signal Then adjust the volume

are used 10 adjust

sterec

the vclume

effect

level of the

1

SA-OX505

@

Power “0 STANDBY/ON”

switch

(POWER, 6 STANDBY/ON)

This switch is used to turn the power to the main unit ON and
OFF.
Selecting “OFF” from the remote control transmitter actually

sete

the main unit to the “STANDBY” mode.

@

Remotetontrol signal receptor

(REMOTE SENSOR)

Receives the signals from the remotecontrol.

@

“STANDBY”

This indicator illuminates when the “STANDBY” mode is se,
by the main unit or the remote control transmitter.

8 Preset.tuning

(30

CHANNEL RANDOM PRESET TUNING)

These

bunons

the memory of this unit and to recall the desired preset
stations.

indicator

(STANDBY)

buttons (1-O)

are used to preset broadcast frequencies into

@ Tunbqmode

selector/indicator

(TUNING MODE)

Each time this selector is pressed, the selection changes, in
sequence. to “AUTO”,
AUTO:

In

this position. broadcast channels are automatically

selected when the tuning control is momentarily turned to the

left or right to start the frequency changing.

MANUAL:

In

this position, the tuning control can be used to locate the
desired channel manually.
The frequency changes
the right to left.

LOCK:

In

this position, the broadcast channel presently being heard is

locked in, and other broadcast stations cannot be tuned

even if the tuning control is turned.

@

Band selectors

FM: Press this button to listen to an FM broadcast.

AM:

Preee

this button to

@I

FM mode selector (FM MODE)

This unit automatically switches to the stereo

FM stereo broadcast is received This

eetec,

the mode (stereo or monaural) of FM broadcast signals.

“MANUAL” and “LOCK”.

only

as the tuning control is turned

lieten to

an AM broadcast.

mode

eelecfor

is used

when an

to

to,

to

@Tuning control (TUNING)

This control is used to select an FM or AM
When turning the control to the Mt. the frequency changes

downward. When turning the control to the right. the
frequency changes upward.

broedcas,.

-7-

@

Memory scan button (MEMORY SCAN)

This button is used to

broadcast station is selected for about 3 seconds.

@$J

Memory

This button is used when presetting
frequencies into fnemory

button (MEMORY)

kete e

desired broadcast station: each

broadcae,

station

SA-GX505

1

Display section

0

FM stereo indicator (STEREO)

This indicator automatically illuminates when an FM stereo

broadcast is being received.

It will not illuminate if the FM mode selector is sel 10 the
monaural mode.

6j

Spectrum analysis/parametric EQ level display

(SPECTRUM ANALYZER/PARAMETRIC

This display shows the specfrum analysis level (“Bar-type
display” or “DO, display”) or equalization level.

@

Quartz-lock indicator (QUARTZ LOCK)

This indicator illuminates when the “nit is tuned precisely 10 a

broadcast station.

@

Channel display

This display shows the channel number selected by one of Ihe

preset4”ning
Also this display shows the channel number for about 3

seconds during memory scan operation.

@I

Band indicators (AM, FM)

Indicates the selected band.

@

Memory indicator (MEMORY)

This indicator illuminates when the memory button is pressed.

buttons.

EQ)

@ Audio input selector/frequency display

(INPUT SELECTOR/FREQUENCY)

Displays the selected source or broadcasf frequency.

@

Tape indicator (TAPE)

This indicator will illuminafe when the fape-monitor switch is
pressed.

@

VCR display (VCR)

Displays the selected VCR.

CfJ

Loudness indicator (LOUDNESS)

This indicator will illuminate when the loudness switch is

pressed.

@

Muting indicator (MUTING)

This indicator will illuminate when the muting button (on the

remotexontrol

@I

Center mode indicators

These indicators show the center mode selected by the center
mode select button.

@

Rear/center level indicator

Displays the level adjusted by fhe center speaker level
adjustment button or rear speaker level adjustment button.

transmitter) is pressed.

@

Memory scan indicator (M. SCAN)

This indicator illuminates when the memory scan button is
pressed.

@

Test signal indicator (H TEST)

This indicator illuminates when the test signal button is
pressed in the Dolby
Dolby 3 stereo mode.

ProLogic

Surround mode and the

a

@ Fine mode indicator (FINE)

This indicator illuminates when the line mode select button is
pressed in the parametric EO mode.

@

;;;,;;tric

It

displays the center
parametric EQ mode arranged by the user with the parametric

EQ

system 01 the

ml?mqry.

EQ system center frequency

lrequency

curve*

pre-programmed in this

of the curves in the

@ Parametric EQ system off indicator (OFF)

This indicator illuminates when the parametric EO system is
Off.

@0

Tone mode indicator (TONE MODE)

This indicator illuminates when the parametric
select button is set lo the tone mode.

@I

Parametric EQ mode indicator

This indicator illuminates when the parametric
select button is set 10 the parametric EO mode.

(P.EQ

EQltone

MODE)

EQltone

unirs

mode

mode

@ Dolby 3 stereo indicator (DOLBY 3 STEREO)

This indicator illuminates when the Dolby 3 stereo
button is switched ON.

@$

Dolby Pro-Logic Surround indicator

(MIDOLBY SURROUNDS,

This indicator illuminates when the Dolby Pro-Logic Surround

mode is selected.

0

Manual/fixed preset indicators

PRO-LOGIC)

ON/OFF

(1 2 3 FLAT)
It displays the

preset buttons or fixed preset button in the parametric
mode.

0

Parametric

This indicator illuminates when the parametric EQ system
memory button is pressed in the parametric EQ mode.

Type

of curve selected with the equalization

EC4

system memory indicator

(M)

EO

0

Parametric EQ system operation select

indicators (MANUAL/FIXED)
One of these indicators will illuminate in accordance with the

fixed preset button or equalization preset buttons setting.

9-

SA-GX505

1

Tuner

controls

Cassette deck controls

Remote control section

Function selector

controls-

Tuner controls (Fig

@Power switch (POWER)

This power switch is used for controlling the power
this system as well as any Panasonic remote controlled TV

andlor

VCR.
When switching the power of each unit ON and OFF, be
first press the appropriate function selector button 0” the

remote

co”trol

transmitter.

Cassette

@

Record button (0 REC)

Pm?%

@

Deck l/Deck 2 selector

This button is used to select the deck lo be operated by
remote control when a double cassett deck is connected With
this

@$ [qGf;;rd/cue/rewind/review

Press this button lo advance or rewind the tape while the unit
is in the stop mode.
Press this button to cue or review the contents at high speed,
while the unit is in the play mode.

deck

this button lo change lo the recording stand-by mode.

unit.

1)

COfItrOlS

(Fig.

buttons

2)

(ON/OFF)

sure

of

to

$

Preset-tuning buttons (1-O)

These

button*

are

used to

bee” preset to the unit’s memory.
When these buttons are used, be sure to first press the
“TUNER” button of the function selector buttons on the remote

control

transmitter.

@$

Playback buttons (4 PLAY

To begin playback or recording, press one of these buttons

responding lo the side of the tape to be played (or recorded).

.:

For the “A”-side 01 the tape

4:

For the

“Wside

@Pause button

Press this button

Press the playback button lo resume the play or recording.

@Stop button

TO stop tape

(m

mwement.

tune lo broadcast stations mat have

.)

of the tape

(II

PAUSE)

lo

temporarily stop playback or recording.

STOP)

car-

Function selector controls

@Function selector buttons

(TUNER, TV, VCR, CD)

These buttons are used lo change the functions 01 this remote

control.

(Fig.

3)

-

10

1

SA-GX505

-Amplifier controls

Amplifier controls

(Fig.

Compact disc player controls.

Fig.

6

4)

@

Dolby Pro-Logic Surround ONIOFF button

(SURROUND)

This button is

effect.

@Muting

This button is used lo temporarily attenuate (“mute”) the

volume

us?d

to activated the Dolby Pro-Logic Surround

button (MUTING)

level.

Compact disc player controls

@Numeric buttons (I-O,

These buttons are used to select the track or the disc number

(only

1-5).

When these buttons are used, be sure lo first press the “CD”

@3

Stop button (M STOP)

To stop compact disc play.

@ Play button 0 PLAY)

To start compact disc play.

+10)

(Fig.

8

Rear speaker level adjustment buttons

(v

REAR LEVEL A)

These buttons are used 10 adjust the volume

speaker systems.

le”el 01

the rear

@Volume control (v VOLUME A)

These buttons are

V:

TO reduce the volume

A: To increase the volume level.

5)

used lo

adjust the

le”el~

“ol”me le”el

@Program/continue button

(PROGRAM/CONTINUE)

This button is used to select either the sequential play or
gram play mcde.

8

Disc button (DISC)

This button is used to select the disc when a multi compact
disc player is connected with this unit.

pro-

@ Pause button (II PAUSE)

To temporarily stop compact disc play

@ Skip buttons

Press one 01 these buttons briefly lo move the pickup
(backward or forward) lo the beginning of a specific track.

(144

SKIP

..I)

-

11

SA-GX505

1

Video controls

Remote control section

TV

COfItrOlS (Fig 6)

@Preset channel buttons (1-O)

These

b”tfons

are used lo select TV channels.

Video

@Preset channel buttons (1-O)

@Channel

@Selector buttons (SELECTOR)

COfItrOlS (Fig. 7)

These buttons are used lo select video channels.

up/down buttons (r CH

These

b”ttons

are used to select video channels.

VCR 1: Press this

position

“CR 2:

Press

~eiectol

buttm to ~elecf

on

the

main

“nit.

this button to select the “VCR 2” input

position on the main “nit.

A)

the

“VCR” 1 input selector

@Channel

These

up/down buttons (v CH A)

b”tfons

are

used 10

select 77 channels.

@‘Fast.forward/rewind buttons

(44 REW,

Press one of these buttons lo advance or rewind the tape while

the “nit is in the stop mode.

@Playback button

This button is

@t

Pause button

This button is

. .

FF)

(b

PLAY)

used

for video playback.

(II

PAUSE)

used lo

pause during playback or video recording.

@Record buttons (0

These

b”,,ons

are used to record.

REC)

@Stop button (W STOP)

This button is

used

to stop playback or video recording.