Sony ST 2950F Service Manual

Page 1

FOR SERVICE MANUALS
CONTACT:
MAURITRON TECHNICAL SERVICES
www.mauritron.co.uk
TEL: 01844 - 351694
FAX: 01344 - 352554

UK Model

suxv ~m...u.. .,_

AEP Model

FM STEREfl/FM-AM TUNER

SPECIFICATIONS

GENERAL IM Distortion: 0.2%IMONO)
. ST
Power Requirements: 110, 127, 220 or 240 Vac adjustable, O 33 EREO)
50/60HZ Separation: 35115 at 11)on

Power Consumpfion:

23W

40:38 at 1 kHz
35dB at 10 kHz

40H: -12.5 kHz : $31113

Dimensions: Approx.390 (w) x 145 (h) x 310 (:1) mm Fm a": Res on:
153/5 (w) x 53/4 (h) >( 12% (d) inches q y "
Including projecfing parts and controls AIlernate
' Ch IS I t'v : SOdB 400 kH )
Weigm: Approx, 6.0 kg,13lb 4oz (net! anne e SC I "V ( 2
Approx. 7.8 kg, 17 lb 2 02 (with shipping Capture Rafin: 1.0 (33
canon)
FM SECTION AM Suppression Ratio: 54dB
Tuning Flange; 87.5MHZ - 108MHz Image Response Ratio: 45d8
Amenna Terminals: 300 D balanced IF Response Rario: 90dB
75 fl unbalanced
Spurious Response Ratio: 75dB
Intermediate Frequencv: 10.7 MHz
RF Intermodulation: SOdB
Sensliivlty
8 50 dB Guiating: 4.0MV (MONO) Sub-carrier Producl Ratio: SOdB
SOMV (STEREO)
Muting Threshold: Approx: SuV

Sensitivity at 46cm Quinting
(40 RN 1 deviation):

Usable Sensitivity:

50uV (STEREO)

2:0MV (IHFI
1.7uV, S/N = 26 dB (40 kHz deviation)

Oumut Level/impedance:

750 mV, 5 kn at
100% modulation

S/N Rafio: was (MONO)
ssue (STEREO)
L HarmenicDismrtinn: M10014: 0.2%IMONO)
03% (STEREO)
a! 1 kHz 012% (MONO) ®
0.3% (STEREO) ._________---
atIOkHz 02%(MONO)
0.6% (STEREO) SERVICE MANUAL

Page 6

MW TRACKING ALIGNMENT
L701 (600 kHz)
CT402 (1.400 kHz)

Step
1
2

Nata: Repeat step 1 and 2 several
urnes. and finixlt lhe alignment
at step 2.

MW FREQUENCY
COVERAGE ALIGNMENT

L409 (530 kHz)
cmos (1,605 kHz)

Step

I
2

Note: Repeat step 1 and 2 several
times, and finish the alignment
at step 2.

SW FREQUENCY
COVERAGE ALIGNMENT

L408 (6 MHz)
CT404 l18MHzl

Step DIAL INDICATION

6 MHZ
18 MHz

1
2

Note: Repeal step I and 2 several times. and finish the
alignment al step 2

SW TRACKING ALIGNMENT
L406 (GMHz)
CT401 (18 MHz)

Step
I
2

Note: Repeat step I and 2 several
limex, and finish the alignmenl
at step 2