96
Prepared: Supers: 10 Sh. 190 4A
KT
Check:
DATE: © PHILIPS Electonics Hong Kong Ltd., BU-PORTABLE AUDIO
REMARKS:
For operation and thermal stability test :
220/230/240Vac setting : 198Vac to 264Vac
120Vac setting : 99Vac to 140Vac
dual voltage ac setting (120Vac / 230Vac) : 99Vac to 140Vac and 196Vac to 264Vac
16
TUNER PART
TECHNICAL description:
AM (circuitry) FMAM (active components) FM
RF
2290TK
1
IF
1
2
Detector 3
Decoder
4
GENERAL part:
CNARELOT EGNAR EVAW ES TUNING STEP
5
6
FM (05/96/12/61
version)
87.5 –108MHZ LOW : +0.3/-0.3MHZ
HIGH: +0.4/-0.4MHZ
7
8
9
01
AERIAL:
FM telescope : 430 mm 11
FM wire : N/A Execution - N/A 21
INDICATORS:
31 :retniop noitucexE :ekorts retnioP
41 :htgnertS dleiF :revo noitacidni bonK
ELECTRICAL DATA:
AM:
om. limit FM:
nom.
limit
RATED OUTPUT POWER 10%
THD 80%Mod 120dB
/ /
51 / / noisserppuS MA
61 fBd 81 21 tniop gnitimil Bd3-
71 Bd 2-/+ 2 evreser noitacifilpmA evreser noitacifilpmA
81 )egareva( egnar gnidloh CFA tirem fo erugif CGA
Distortion (RF 74 to 94 dBuV/m,
m=80%)
Distortion
(RF 32 to 72 dBuV,
mono
f 100kHz, Stereo : 90% + 9%)
5 7 % 19
Stereo -46dB quieting ¡]20KHz LPF¡^
40 44 dBuV 20
Cross-talk (RF 1mV,
f 40kHz,
400Hz /1kHz / 5kHz)
21/25/18 18/20/15 dB 21
Strong S/N radio
RF 94dBuV/m, m=80%
S/N radio (A-Weighted, RF 4mV) 53 50 dBA 22
Channel difference Channel unbalance (250Hz to 6300Hz) 0 3 dB 23
Modulation hum (30% mod)
Modulation hum (22.5kHz dev) £¤A-Weighte£'
44 40 dB 24
2, 3th IF harmonics rejection
(RF 64 to 94dBuV/m)
8, 9,10
th
52 Bd 03 53 eltsihw scinomrah
Overall frequency response (-
3dB)
Overall frequency response (+/- 3dB, 1kHz ref)
- 50us
-
70
12k
80 Hz
10k Hz
26
Oscillator stop voltage
120V setting
230V setting
Oscillator stop voltage
120V setting
230V setting
90
190
96 Vac
192 Vac
27