Panasonic SG-1030L Посібник з експлуатації - Сторінка 5

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ALIGNMENT INSTRUCTIONS (RADIO)—2

| Notes:

1. Volume Control.......... Maximum (AM-IF and RF, FM-RF);

6. Power Switch ............. ON

Minimum (FM-IF)

7. Output of signal generator should be no higher than

2. Treble Control ............ Center

necessary to obtain output reading.

3. Bass Control...

Center

8. Make certain that speaker system is connected to the

4. Balance Control.......... Center

receiver when aligning.

5. Function Selector....... LW, MW, FM AUTO

SIGNAL GENERATOR OR

STEP

SWEEP GENERATOR

CONNECTION

FREQUENCY

Fashion loop of several

turns of wire and radiate

signal into loop of

receiver.

INDICATOR

(VTVM or SCOPE)

RADIO DIAL

SETTING

ADJUST

REMARKS

AM-IF AND RF ALIGNMENT

455 kHz

30% Mod.

with 400 Hz

Point of non-

interference (on/

about 600 kHz)

T201(AM 1st IFT)

T202 (AM 2nd IFT)

T203 (AM 3rd IFT)

| Adjust for maximum

output.

Output meter across

speaker jack (L) ~

L202 (LW ANT Coil)

Adjust for maximum

Fashion loop of several

445 kHz

Output meter across

turns of wire and radiate

30% Mod

145 kHz

output by sliding coil

signal into loop of

(7.7 mm)

speaker jack (L)

L204 (LW OSC Coil) | L202 along

ferrite

receiver

with 400 Hz

core

Fashion loop of several

350 kHz

CT202

Adjust for maximum

turns of wire and radiate

30% Mod.

350 kHz

Output meter across

(LWANT Trimmer)

| output.

(LW) | signal into loop of

with 400 Tee

(115.7 mm)

speaker jack (L)

CT204

Repeat steps (2)

and (3).

Adjust for maximum

receiver.

(LW OSC Trimmer)

Fashion loop of several

turns of wire and radiate

See

550 kHz

Output meter across

| L201 (MWANT Coil) | output by sliding coil

signal into loop of

(12.0 mm)

speaker jack (L)

L203 (MW OSC Coil) | L201 along ferrite

with 400 Hz

receiver.

core.

/ Fashion loop of several

CT203

Adjust for maximum

turns of wire and radiate

bean

1500 kHz

Output meter across

(MW OSC Trimmer)

output.

signal into loop of

with 400 ae

(109.3 mm)

speaker jack (L)

CT201

Repeat steps (4) and

| receiver.

(MW ANT Trimmer)

(5).

Note:

Cement antenna coil with wax after completing alignment.

T201 is pre-aligned.

Do not touch it.

FM-IF AND DETECTOR ALIGNMENT

Adjust for maximum

| amplitude and

symmetrical curve.

Connect vert. amp.

High side through

10.7 MHz

Point of non-

;

0.001uF to point TP 1

(400 kHz | interference (on/| ees cH as al

ae ce a ee

and E1.

SWP.)

about 98-MHz)

ran

(

isc.

IFT)

Adjust for maximum

amplitude and proper

linearity between about

| High side through

10.7 MHz. | Pointofnon-.

saplitG! ccoba ts

| +100 kHz markers.

0.001uF to point TP 1

(400 kHz

interference (on/

at TPS 4

T204 (FM Disc. IFT)

| and Et.

SWP.)

about 98 MHz)

Before aligning step 1, turn the cores of T204 fully counterclockwise. :

BM-RFALIGNMENT

| Connect to EXT. FM

antenna terminal through

Dummy antenna.

Common to earth.

Connect to EXT. FM

antenna terminal through |

Dummy antenna.

Common to earth.

90 MHz

30% Mod.

with 400 Hz

L101 (FM ANT Coil)

| L103 (FM OSC Coil)

Adjust for maximum

Output meter across

output.

| speaker

jack (L)

Adjust for maximum

output.

Repeat steps (1)

and

| CT101

Output meter across

| (FM ANT Trimmer)

speaker jack (L).

CT102

| (FM OSC Trimmer)

106 MHz

30% Mod.

with 400 Hz

106 MHz

(103.9 mm)

Note:

1. As three output readings will be present, adjustments must be made at center frequency.

2. Tocorrect drift at the FM dial scale (87.5 or 108 MHz), adjust coil L103 and trimmer CT102 with each other.

SG-1030L

ALIGNMENT INSTRUCTIONS (RADIO)—3

= FM Stereo Alignment |

Notes:

Tuner:

Volume Control .....cciccecccecsceeseee eens

TYODIG GOMIOl eds tone tetiiecansseninanes

Bass Conitrol....ccccstssccsssecess eit eect ih

Band SECO

sadiiciciwcseedsisasvieiirs

Balance Control..........cccceccecseceeeues

EQUIPMENT CONNECTION

Control frequency counter to TP4 and E5 at

VR302

98 Mrz, 30% modulation 60 dB input.

(VCO)

REMARKS

Adjust VR302 for 19 kHz + 100 Hz on frequency

counter reading.

SEPARATION ALIGNMENT

2. Signal Generator:

Modulation Rate of 19 kHz Pilot Signa!

voce

enanseaceeoe

Modulation Rate of Right and Left Signal...........

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3. Tuner (Balance Control):

| Adjust balance control so that output level from both channels becomes equal.

EQUIPMENT CONNECTION

SIGNAL GENERATOR

VTVM

OSCILLOSCOPE

Connect vertical

Connect to EXT. FMan-

| Connect across

amp. input of

tenna terminal through

speaker jack.

dummy antenna.

(Imp. 8Q)

of VTVM.

scope to terminals

VR301

(Separation

Control)

Note:

When aligning separation, disconnect frequency counter.

REMARKS

Adjust VR301 for minimum indication of VTVM from

the left side output when the right side of stereo

modulator is modulated.

Adjust VR301 in the same way for the right side.

Adjust for best balance between "L to R" and

"R to L" separation.

Notes:

Function selector ....c.ccccccccccceseseee

TAPE/MIC

Balance Control........ sete eetiek eatutaatn kiss Center

Tape MOnitOr scckidcsteyenivtecceveeeees SOURCE

AC BIAS OSCILLATOR

Pin 16 (—)

| AC BIAS OSCILLATOR

AC BIAS OSCILLATOR

R ch oF

L802 (@] °| 16

(io

ees

7 18011@] |

Ba A:

L803

765

4321

L ch

Roch

FIG. 9

Connect positive side to Pin 5

Connect positive side to Pin 1

Notes: 1. Do not touch R/P Head and Erase Head when adjusting.

2. As two points are obtainable when adjusting the L801 and L802,

Depress push buttons PLAY and REC at the same time.

(Be sure to reiease the record safety lever manually.)

' | Connect positive side to Pin 17

RECORD/PLAYBACK

HEAD

AZIMUTH

ADJUSTMENT

Playback a Standard Alignment Tape and turn

Azimuth

Adjusting

Screw

for maximum

"VOLUME |

CONTROL

MIN

turn cores down clockwise before making adjustments.

— _ |

REMARKS

ADJUSTMENT

—

Acie PaO tormosIAUle

VR801

| output. Adjust VR801 for

(Voltage Control) — |g 549 2y reading on VTVN-t. |

wane

amend

ane

4.0 + 0.2 mV reading

on VTVM-1.

Adjust L802 for —

4.0 + 0.2 mV reading

on VIVM-2.

| Repeat steps (2)

AC Bias Trap Coil

L802

(AC Bias Trap Coil)

and

Azimuth adjusting screw "Fr"

loudness.

* Test Tape (6.3 kHz):

VTT-652 or Equivalent

REC/PLAYBACK head |

FIG. 10°