Technical Description - Philips AZ380/55/96/93/94 Service Manual

TECHNICAL SPECIFICATION
TUNER PART

TECHNICAL description:

AM
RF
IF
Detector
Decoder
GENERAL part:
WAVE RANGE
FM (05/12/96/55
version)
AM / 96
MW / 55
AERIAL:
MW Ferrite : 60 mm /D 10mm
FM wire :
INDICATORS:
Pointer stroke:
Knob indication over:
ELECTRICAL DATA:
AM:
RATED OUTPUT POWER
10%THD 80%MOD120dB
Amplification reserve
AGC figure of merit
Distortion (RF 74 to 94 dBuV/m,
m=80%)
Strong S/N radio
RF 94dBuV/m, m=80%
Channel difference
Modulation hum (30% mod)
2, 3th IF harmonics rejection
(RF 64 to 94dBuV/m)
Overall frequency response (-
3dB)
Oscillator stop voltage
120V setting
230V setting
Search tuning sensitivity
Search tuning stop accuracy
RF 26 to 1mV
RF 1V/m
Search time of total tuning range
IF
Frequency drift vs temp.
-10 C to 10 C
10 C to 30 C
30 to 50 C
Dial calibration
wave range Sensitivity for
50mW
nom.
FM
lim.
nom.
MW
lim.
unit
V/m
(circuitry) FMAM
Si4831
Si4831
TOLERANCES
87.5 –108MHZ
530 –1 KHZ
530 –1 07KHZ
FM telescope
Execution
N/A
Execution pointer:
Field Strength:
Nom. limit FM:
AM Suppression
1W -6DB
-3dB limiting point
2 +/- 3dB Amplification reserve
31 25 dB
5 7%Distortion
(RF 32 to 72 dBuV,
mono f 100kHz, Stereo : 90% + 9%)
Stereo -46dB quieting
Cross-talk (RF 1mV, f 40kHz,
400Hz /1kHz / 5kHz)
45 40 S/N radio (A-Weighted, RF 4mV)
0 3 dB Channel unbalance (250Hz to 6300Hz)
45 40 Modulation hum (22.5kHz dev)
th
21 18 8, 9,10 harmonics whistle
60 120 Hz Overall frequency response (+/- 3dB, 1kHz ref)
1.5 1.3k Hz - 50us
-
Oscillator stop voltage
90 96 Vac 120V setting
190 192 Vac 230V setting
Search tuning sensitivity
/ N/A
/ Search tuning stop accuracy
/ N/A - 20uV ~ 20mV
/ - 20mV ~ 500mV with step size = 50kH
/ - 20mV ~ 500mV with step size > 50kHz
/ N/A Search time of total tuning range
45KHZ IF
1kHz
Frequency drift vs temp.
0.7 / 1000 * operating
frequency
5 7% Dial calibration
Stereo On point (Pilot deviation : 6kHz)
noise limited sensitivity
(26dB)
19
21
68
72
dBf
dBf
V V/m
1-2
(active components)
LOW : +0/-0.3MHZ
HIGH: +0.5/-0MHZ
LOW: +0/-23KHZ
HIGH: +60KHZ/-0
LOW: +0/-23KHZ
HIGH: +60KHZ/-0
: 430
mm
-
N/A
Image IF rejection
rejection
signal
21 55 130dBf
19 50 125dBf
35 28
28 24
dB dB dB mV/m
Si4831
Si4831
TUNING STEP
na
na
na
nom. limit
30 25 dB
12 18 dBf
2 +/-2 dB
5 7 %
40 44 dBuV
21/25/18 18/20/15 dB
53 50 dBA
0 3 dB
44 40 dB
35 30 dB
70 80 Hz
12k 10k Hz
90 96 Vac
190 192 Vac
/ N/A
/
N/A
/
/
N/A
2.18MHZ
0.2MHz
15KHZ/ C
10KHZ/ C
15KHZ/ C
-1.2 +/- 1.5MHz
14 15.5 dBuV
Switching on – 6dB
large Selectivity bandwidthB+3dB
S9/300kHz
21
19
1000 21 3.0
500 16 >2.5
dB kHz
FM
1
2
3
4
5
6
7
8
11
12
13
14
15
16
17
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39