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WTO SERVICE PERSONAL
1. Critical Compnentt Information.
Components having special characteristics are marked
A
and must be replaced with parts having specifications
equal t o those originally installed.
2.
Leakage Current Measurement (For 120V Model Only).
When service has been completed, it i s imperative that you verify that all exposed conductive surfaces are properly
insulated from supply circuits.
EQUIPMENT
AC LEAKAGE TESTER
@
Meter impedance should be equivalent to 1500
UNDER TEST
or
EQUIVALENT
ohm shunted by 0.1 5pF.
@
Leakage current must not exceed 0.5mA.
B
Be sure t o test for leakage with the AC plug in
WALL
both polarities.
OUTLET
INSULATING TABLE
-
IISPECIFSCATIONS
FM SECTION
Tuning Range
. . . . . . . . . . . . .
87.6
-
108.OMHz
50 dB Quieting Sensitivity
. . . . . . . . . . . .
Mono (DX)
1.6pV (15.3dBf)
. . . . . . . . .
(NR ON)
1.2pV (12.8dBf)
Stereo (DX)
. . . . . . . . . . . .
20pV (37.2dBf)
. . . . . . . . . .
(NR ON)
1OpV (3i.2dBf)
h b l e Sensitivity
(IHF Mono) 7 5 a
. . . . . . . .
. 0 . 9 ~ V (10.3dBf)
Usable Sensitivity (DIN)
. . . . . . . . . . . .
Mono (SIN 26dB).
.l .OpV (E)
. . . . . . . . . . . .
Stereo (SIN 46dB)
.3.OpV (E)
I-e
Rarpoma Ratio
. . . . . . . . . . . . . . .
9548
. . . . . . . . . . . . . . . .
IF Rslponro Ratio
.l 15dB
. . . . . . . . . . . .
Spurious R-ms
Ratio.
.l l OdB
. . . . . . . . . . . . . . .
A M Suppression Ratio
70dB
Capture Ratio
Local
. . . . . . . . . . . . . . . . . . . . . . .
1.2dB
Alternate Channel Selectivity
D X
. . . . . . . . . . . . . . . . .
.85dB (U,C,R,A)
Selectivity (two Signak)(DIN 40kHz Dev.)
. . . . . . . . . . . . . . . . . . . . . .
D X
70dB (E)
Adjacent Channel Selsctivity
D X
. . . . . . . . . . . . . . . . . .
20dB (U,C,R,A)
Signal t o Noise Ratio (IHF)
. . . . . . . . . . . . . . . .
Mono
.94dB (U,C,R,A)
. . . . . . . . . . . . . . .
Stereo
:86dB (U,C,R,A)
Signal t o Nobe Ratio
. . . . . . . . . . .
(DIN-Weighted) Mono
88dB (E)
. . . . . . . . . .
Stereo.
80dB (E)
Harmonic Distortion
.
Mono 100Hz.
.DX0.03%, Local 0.02% (U,C,R,A)
. .
1 kHz
.DX0.15%, Local 0,03%(U,C,R,A)
6kHz
. .
.DX0.4%, Local 0.06% (U,C,R,A)
Stereo lM3Hz
.
.DX0.5%, Local 0.04% (U,C,R,A)
1 kHz
. .
.DXO.5%, Local 0.03% (U,C,R,A)
6kHz.
.
.DX0.8%, Local 0.07% IU,C,R,AI
(4OkHz Dev)
Stereo 100Hz
. . . . . .
DX 0.5%, Local 0.05% (E)
l kHz
. . . . . . .
DX 0.5%. Local 0.04% (El
. . . . .
6.3kHz.
OX 0.5%, Local 0.08% (E)
Strreo Separation (IkHz) (Local)
m k H z .
a
.
.
.
.
.
.
.
.
.65dB
1 kHz.
. . . . . . . . . .
.65dB (U,C,R,A)
60dB
(E)
10kHz
. . . . . . . . . . .
50dB (U,C,R,A)
40dB (E)
F-affiy
R a p o r a r
0+O.~d9
.
50Hz t o lOkHz
. . . . . . . . . . . . . . .
-0.3
Subcarrier Product Ratio
. . . . . . . . . . . . .
65dB
Metat Saturation Level
. . . . . . . . .
- 3 m V (75dBf)
AM SECTION
Tuning Range
. . . . . . . .
.510
-
1620kHz (U,C,R)
513
-
1620kHz (E.A,R)
Usable Sansitivity
. . . . . . . . . . . . . . . . .
,250pV
Selectivity..
. . . . . . . . . . . . . . . . . . . .
30dB
Signal t o N o b Ratio.
. . . . . . . . . . . . . . .
55dB
Image R w n s e Ratio
. . . . . . . . . . . . . . .
40dB
Spurious Response Ratio.
. . . . . . . . . . . . .
50dB
Distortion (400Hz).
. . . . . . . . . . . . . . . . .
0.2%
AUDIO SECTION
Output' Levelllmpedance (HIGH)
FM (100% MOD, 1kHz)
. . . .
1 V / 2 k a (U,C,R,A)
1.6VI2kS2 ( E )
. . . . . . . . .
FM (30% MOD, 400Hz)
0.3VIZkn
. . . . .
REC CAL (50% MOD, 333Hz)
0.5V12kn
.,
Output Level/lmpedanee (LOW)
i
FM (100% MOD, IkHz)
.
.
0.5VI2.5ka (U,C,R,A)
0.8V12.5kn (E)
A M (100% MOD, l kHzl
. . . . . . .
0.15V12.5kSZ
REC CAL (50% MOD, 333Hz)
. . .
0.25VI2.5kn
GENERAL
Power Supply
. . . . . . . .
U.S. & Canadian Models
120V, 60Hz
. . . . . . . . .
General Model.
l 1 011 20V, 50/60Hz
220/240V, 50/60Hz
. . . . . . . . . . . .
European Model.
220V, 50Hz
+,.K
,
240V, 50Hz
. . . . . . . . . . . .
Australian Model
240V. 50Hz
Power Cbnspmption-
U.S. & Canadian Models
. . . . . . . . . . . . .
13W
. . . . . . . . . . . . . . . . . .
General Model.
13W
.
. . . . . . . . . . . . . . . . .
European Model.
13W
. . . . . . . . . . . . . . . . .
Australian Model
12W
Dimemion ( W X ~ D )
.
435
X
93.5
X
357rnm (U,C,R,A)
(1 7-7 18"
X
3-1 132"
X
14-1 116")
435
X
93.7
X
357mm (E)
(19-118"
X
3-1/32''
X
14-1/16")
Weight-.
. . . . . . . . . . . . . . . . . . . . . . . .
5kg
( I l l b s )
Specifications subject to change without notice
MARKET
U: U.S.-Model
C: ~ a n a d b n Model
R: General Model
,>.
:' .
. , - :
- - ,
'
'.
,
.
.,
. . : r
~ g & + > * % & & & g F $ g - & ? ; ~ 2
A: Australian Model
J: Japanese Model
-
. --
.
-.
.
-.
.,-
.>
.
-1..
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