Sansui G-4700 Service Manual

Load impedance is ene 8 ohms”
Total harmonic distortion
, fess than 0. 05 % ator below
“” gated min. RMS power output
intermodulation distortion (70 Hz.: 7 kHz = 4:1 SMPTE method)
ay “ jess than 0. 05 % at or below rated |
min. RMS power output :
ae i ae gi "30-into & ohms:
ls and $mpedanc (atl kHz).
0.5% total harmonic distortion. )
TAPE PLAY, TAPE/AUX é
Se a ae aes 150 mv/47 kilos
Output level (at 1 kHz) )
Yes TAPE. REC. eck et 150 mv.
“PHONO 2 Oe. 5 “76dB
TAPE PLAY, eee:
5 as. ; -, 95 dB
‘Channel separation (at kHz)
“PHONO... 8. 50 dB.
lesan PLAY, TAPE/AUZ..' at
me bene $068.
Controls: ee ao eee
vo BASSO as “£10 dB at 50 Hz
TREBLE .. es e108 de a 10 kHz
., SUBSONIC FILTER . hes
PSS eG 3 dB at 16 He (6 dB/oct)
LOUDNESS (VOLUME control: —30 dB position)
rer baa e « 9B at 50 Hz
: 6 dB at 10 kHz-
OFM section | Seas 2
Tuning range... .. 83 to 108 MHz
Usable sensitivity
Mono tHF....... 10.8 dBF (1.9 gv)
; DIN, - 12 eV
Stereo IHF . 3... 19 dBF
50 dB quieting sensitivity
Mono ,....... [5S d8f
Stereo oo... 02 e SR ABE
Signal to notse ratio (at 65 dBf}
pone oe Oe eee FOE
Distortion (a 65 aBf)
Mono si... ... fess than 0.18 % at 100 Hz
jess than 0.15 % at 1 G00 Fa
ee: less than 0.25 % at 6,006 Hz
Steres - cee ees fess than 0.3 % at 100 Hz
less than 0.25 % at 1,000 Hz
less than 9.3 % at 6,000 Hz
Alternate chanel selectivity (at 400 kHz)
PCG meat ea NOOR
* Captureratio ...... 1.0dB
image response ratio .. 48 dB
. Spurious response ratio. 70 dB
{F response ratio ... . 90 dB
Stereo separation... . 30 dB at 100 Hz
eee as 40 dB at 1,000 Hz
se Le ie - 28 dB at 10,000 Hz
hie) one .. 30 to 15,000 Hz
ee } _ 10.5 dB, ~1.0 dB
Antenna input impedance
. . 300 ohms balanced’
>. 75 ohms unbalanced
soem wees
ers
AM ceciloh: oe
Tuning range... es 530 to | 600 kHz
a Usable sensitivity iva antenna)
Pe es ee dada e © oe ABT (300 pV/m)
Selectivity. ....... 33:48
-. Signal to noise ratio... 46 dB
= aisles (at 30 % Modulation, 86 dB/m) |
Re Re Wins Ge ecdie: Wiel festhan 02
ae Others
Power requirements
Foner voltage .... 100, 120, 220, 240 V.
= (50/60 Hz) ;
“For U. S.A. and Canada
eC oe re 120 V (60 Hz),
'. Power consumption
Rated consumption
wen eee ee ae « 160 watts 190 VA
Dimensions cece ees 433 mm (17- NAG
155 mm (6- uate H.
355mm (14")D..
Pika Jesu pe we eae s 8.6 kg (19.0 Ibs) net
10.0 kg (22. 0 aa packed
ee
. Geshe. and specifications subject to. “changes, without
notice ~ Haproseaents:
"SANSUI
ELECTRIC
CO,
LTD.

Sansui G-4700 Specifications

General

Brand	Sansui
Model	G-4700
Category	Stereo Receiver
Language	English

Summary

Specifications Overview

Audio Section Specifications

Details power output, distortion, frequency response, damping factor, input sensitivity, output level, hum/noise, and channel separation.

FM Section Specifications

Covers tuning range, usable sensitivity, quieting sensitivity, signal-to-noise ratio, distortion, selectivity, capture ratio, and stereo separation.

AM Section Specifications

Block Diagrams

Integrated Circuit Block Diagrams

Adjustments and Calibration Procedures

FM Adjustment Procedures

Guides for IF, RF adjustment, and dial calibration for the FM section, including specific test points and settings.

FM Stereo Adjustment Procedures

Steps for adjusting PLL VCO and separation for optimal FM stereo reception.

AM Adjustment and Board Controls

AM IF Adjustment & Dial Calibration

Instructions for calibrating the AM section's IF coils and dial, including RF adjustments.

Driver Circuit Board Adjustments

Circuit Board Parts Identification

Tuner & MPX Circuit Board (F-3062)

Main Amp & Power Supply Board (F-3066)

Display & Pre Scaler Boards (F-3000, F-3010)