Hitachi HTD-G2 Serviceanleitung

@HITACHI
SERVICE
SAFETY PRECAUTIONS
Thefollowing precautionsshouldbe observedwhen servicing.
l. Sincemanyparts in the unit havespecialsafetyrelatedcharacteristics, alwaysusegenuineHitachi'sreplacement
parts.Especially critical p arts inthepower c ircuit b lock should notbereplaced w ithothermakers
Critical p artsaremarked with
2. Beforereturninga repaired unitto thecustomer, t heservice technician mustthoroughly testtheunitto ascertain that
it is completelysafeto operatewithout dangerof electricalshock.
SPECIFICATIONS
GENERAL SPECIFICATIONS
Power supply:
Power consumption
Dimensions:
Weight:
FM SECTION
Frequency range:
Sensitivity:
Image interference ratio:
IF nterference ratio:
Total harmonic distortion
Signal-to-noise rat10'
Seiectivity:
AM suppression ratio:
AM (MW) SECTION
Frequency range
Sensitivity:
Selectivity:
Signal-to-noise ratio:
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
MANUAL
intheschematic diagram andcircuitboarddiagram.
AC 120V (60 Hz)
100- 120V/200 -240V
220 (50 Hz), - 240V (50 Hz)
40W
320 137 (H) x 276 (D) mm
5.2 kg
87.5 to 108 MHz (0.05
1.9 and DIN)
47 dB
95 dB
MONOI 0.1%, STEREO: 02%
MONOI 70 dB, STEREO: 66 dB
50 dB
50 dB
522 to 161 1 kHz (9 kHz step)
530 to 1620 kHz(10 kHz step)
15 uv
30 dB
52 dB (at 50 mV/m)
STEREOTUNER DECK
May 1982
CONTENTS
SPECIFICATIONS
FEATURES
DISASSEMBLY....
ADJUSTMENT.....
LUBRICATION
PRINTED
CIRCUIT
BLOCK
WIRING
EXPLODED
REPLACEMENT
FRONT
LW SECTION
Frequency range
(50/60 Hz) Sensitivity:
Signal-to-noise
TAPE DECK
Frequency response:
Signal-to-noise ratio:
MHz step)
Wow and Flutter:
PREAMP
input sens itivity/im pedance
Output level/impedance•
Equalizer:
Signal-to-noise ratio:
BASS CONTROL:
Loudness control:
TOYOKAWA
No. 317
TY
HTD-G2
..
WIRING BOARD..
DIAGRAM
DIAGRAM .
DIAGRAM...........
VIEW .
PARTS LIST
AND REAR PANEL........
(for switzeriand, Sweden, U.K., Australia
155 to 353 kHz (9 kHz sep)
100 uv
ratio: 48 dB
SECTION
NORMAL: 20 to 15,00CHz
cro,: 20 to 16,000
METAL: 20 to 17.000
DOLBY NR OFF: 58 dB
DOLBY B NRON
DOLBY C NR ON:
0.04% (WRMS)
SECTION
DAD/AUX: 170 mV/28
PHONO: 26 mV/47 kohns
MIC: 0.8 mV/4
130 mV/3 kohms
PHONO: RIAA ±0.5
DAD/AUX: 97 dB (IHF Anet•nork)
PHONO: 80 dB
WC: 59 dB OHF
dB (100 Hz).
+6.5 dB (100 Hz).+4 dB,10 KHz)
WORKS
EGF
1
3
3
5
12
.. 20
21
22
24
33
W. Germany)
Hz
H
66 dE
71 dE
ohr-ns
kohms
d3
Antwork)
dB10 kHz)
320