Sony str g 3 service manual

Page 1

STR-G3 _

SERVICE MANUAL us Model

Canadian Model
PX Model

Refer to the previously issued STRvG1 ES Service ManuaI
(9-959-241-11) for the remote commander (RM-VP1).

Manufactured under license from Dolby Laboratories
Licensing Corporation.

DOLEY and the double-D symbol DU are trademarks
of Dolby Laboratories Licensing Corporation.

SPECIFICATIONS
Audio Power Specifications » : other Specifications .'
POWER OUTPUT AND TOTAL HARMONIC Dynamic power Bohms;al 160W+160W
DISTORTION: ouipui (in the 1tz IHF >
. . : 0d )
With 8 ohm loads both channeis driven, from 5 mo m e :3ij; 15 5
Z
20 - 20,000 Hz; rated 110 watts per channel a .
. . . Frequency PHONO RIAA equalization curve 105 dB
minimum RMS power, With no more than response ,
a . . . CD, ion-sokiiz;,da

0.3 A» total harmonic distortion from 250 DAT/MD,
milliwatts to rated output, TAPE

VIDEO 123,

LD,SATL

Surround mode (:2! kHz, THD 0.8% 8 ohms) Damping factor 50
FRONT 100 w + ioo w (8 ohms, at mm
CENTER " 100 w Input mom MM 25 mV, so kilohms
REAR 50 w o so w smmmy/ CD 300 mV, so knahms
impedance
n Only in the DOLBY SURand THEATER modes. DAT/MD 5° ¥"V

TAPE, 50 kiiohms

vmao 1,23,

LD,5ATL

S/N mono MM 75 dB

75 d8 I" (A, 25 mV)
DAT/MD 82:15

TAPE, 82 dB (11.150 mV)
VIDEO 1,2,3,
LD, SATL

78 IHF

- Continued on page 2 -

FM STEREO/FM-AM RECEIVER
ONY;

Page 2

Level sensitivity/l DAT/MD, 750 mV

Video section

Only in the DOLBY SUR, THEATER and LIVE modes.

impedanee TAPE, 10 kilohms Inputs VIDEO 1,22, LD, SATL; 'l Vp-p 75 ohms
VIDEO 1.2 Outputs VIDEO 1,2, MONITOR: I vp-p 95 ohms
EADPHONE 9" {Wdphms ° 3 5 VIDEO VIDEO 1,2,3. Luminance: I Vpp 75 ohms
3 '°" "mm INPUT LD Chrominance: olzss Vp-p
MIX ouT 1V,Ikilohm 75mm
5 VIDEO OUT MONITOR Luminance: I Vp-p 75 ohms
MunNG '20 3 VIDEO 12 Chmminancc 0235 VW
BASS BOOST 410 dB al 70 Hz 75 ohms
General .
Digital slsnil Process" mm" System Tuner section PLL quartz-locked digital synthesizer
t
Surround SURR we); adjustable 5" m .
EFFECT Power amplifier Pure-complimentary SEFP
n section
DELAY 11MB 15 ills-3O ms,5 ms step POW "quinine: US. Canadian model :
REAR LEVEL" 45 to man, 1 an step g? V f1 50/50 1
ITIO E Z
CENTER -15 to +10 as? I as step 120. 220 or 240 v AC adjustable,
LEVI-2L" 50/50 Hz
P -
Tone BASS 100 Hz 2l0 dB, 2 dB step W meW gfnmgzllningV-vazs VA
control TREBLE 100 HzilodBJstIep erode1:zsoW
a ' AC outlet: US. Canadian model :
Only In the POI-BY 5 "toda- 2 switched. total 120 W/l A max,

PX model: 100 W
Dimensions (including Approx. 430 X 8 x 365 mm (w/ h/d)

FM tuner section pmjecting pamand (17x57/rX14 lr inches)
Tuning nnge 87.5 - 103.0 MHz controls)
Antenna terminals 75 ohms, unbalanced Mass Approx, 100 kg (22 lb 1 oz)

Sensitivity

13.3 dB!, 4.5 ltV (mono)
38,3 dBi, 45 pV (stereo)

Usable sensitivity

11.2 dBi, 2 IN (IHB

S/N Mono 76 dB

Stereo 70 d3
Harmonic Mono 0.3 1:
distortion atl kHz Sum 05 7

Sepmllon 45 dB at I kHz
Frequency response 30 Hz - 15 kHz :gdB
Selectivity 60 dB at 400 kHz
AM tuner section
Tuning range 530 -1,710 kHz (with 10 kHz interval')
531 - 1,710 Hz (with 9 kHz interval)
Antenna Loop antenna
Usable sensitivity 50 dB/m (at 1,000 kHz or 999 kHz)

S/N

58 dB (at 50 mV/m)

Harmonic distortion

(15% (50 mV/ m, 400 Hz)

Supplied accessories
FM wire antenna (1}
AM loop antenna (1)
Remote commander (RM-VPI) (1)
Sony batteries SUM-3(NS) (2)
Remote Control (RC) antenna (1)
IR repeater (1)
Getting Started and Basic Operation (1)

Design and specifications are subject to change without notice.

MODEL IDENTIFICATION
(Specification Label)

S ONILYFO MODEL No. STR-Ga

Selectivity

35 dB (9 kHz), 40 dB (10 kHz)

' You can change the AM tuning interval to 9 kHz (or 10 kHz).

FM STEREO/FM-AM RECEIVER

After nrning in any AM station, turn off the receiver. Hold down
the FREE TUNING + button and press the POWER buttont All
preset stations will be erased when you change the interval. To
reset the lntervnl to lo kHz (or 9 kHz) repeat the procedure

US, Canadian model : AC 120V 60Hz

PX model : AC 120V/220V/240V~50/60HZ