Hitachi FT-3500 Serviceanleitung

@HITACHI
530
SAFETY
The following
I. Since many parts in the unit have special safety-related characteristics, always use genuine Hitachi's replacement parts. Especially
critical parts in the power circuit block should not be replaced with other makers.
Critical parts are marked with
2, Before returning a repaired unit-to the customer,
pletely safe to operate without
SPECIFICATIONS
Circuitry
Semi-conductors
FM SECTION
Frequency range
Usable Sensitivity
Image interference
IF interference
Total harmonic
Signal-to-noise
Frequency response
Selectivity
Stereo separation
Capture ratio
AM suppression
Output voltage
Antenna term inal
SPECIFICATIONS
AM/FM
April
700 goo loco1200 1400 1600
90 92 94 98' '02 04 &"'08 M Hz coo
PRECAUTIONS
precautions should be observed when servicing.
in the schematic
danger of electrical shock.
AM/FM 2-band Stereo
3 ICs, 12 transistors
10 diodes (2 LEDs)
88—108 MHz
10.8 dBf (IHF),
(75 ohms DIN)
ratio 50 dB (98 MHz;
80 dB (98 MHz;
ratio
distortion MONO: 0.1% (1kHz)
STEREO: 0.25%
ratio MONO:
STEREO: 70dB (IHF),
64dB
30 Hz —12 kHz (75 gs
For U.S.A. and Canada
30 Hz —12 kHz (50
For Europe, Asia and
America
50 dB (±400 kHz,
50 dB (±300 kHz,
45 dB (1 kHz, IHF and DIN)
1.0 dB (IHF and DIN
I kHz)
ratio 50 dB (IHF and DIN)
550 mV(400Hz,
deviation)
300 ohms balanced
unbalanced
AND PARTS
1981
TY
CONTENTS
SPECIFICATIONS
FEATURES
GENERAL
FM TUNER
AM
BLOCK
PRINTED
CIRCUIT
DIAL
DISASSEMBLY
KEY
diagram and circuit board diagram.
the service technician must thoroughly
tuner
(1 FET),
AM SECTION
•
Frequency
I.ogv
Sensitivity
IHF and DIN)
I mage interference
IHF and DIN)
IF interference
Selectivity
(1kHz)
Signal-to-noise
Output voltage
(DIN)
GENERAL
Power requirements
+2 dB)
-2.0
Latin
IF-IF)
Power consumption
DIN)
Dimensions
B.P.F.
Weight
75kHz
and 75 ohms
ARE SUBJECT TO CHANGE
STEREO
TOYOKAWA
No. 261
FT-3500
.
ALIGNMENT INSTRUCTION
ALIGNMENT ......
TUNER ALIGNMENT ....
DIAGRAM .... .....
WIRING BOARD
DIAGRAM
CORD SETTING ..
AND REPLACEMENT
TO ILLUSTRATIONS
test the unit to ascertain that it is com-
range 530—1 ,605 kHz
15uV (IHF), 40gv
400gV/m (IHF
ratio 50 dB (IHF
ratio 40 dB (IHF
DIN)
ratio 53 dB (IHF
165mV
ACI 20V60Hz
e. 1 1 20V/220—240V
for Asia and Latin
220—240V
and Australia
6 watts
(17-1 /8"x3-1 /4"x9-61
3.4 kg (7.5 lbs)
FOR IMPROVEMENT.
TUNER
WORKS
EGF
.3
. 3
..... . 4
...
5
..... ...
. 8
.9
...10
. . .10
. ...14
(DIN)
Loop antenna)
and DIN)
and DIN)
and DIN)
modulation)
for U.S.A. and Canada
50/60Hz
America
50/60 Hz for Europe,
/64")