Hitachi HMA-8500 MKII Serviceanleitung

@HITACHJ
o SERVICE
9
SAFETY PRECAUTION
The following precautions
1. Since many parts
Especially critical
Critical parts
2. Before returning
is completely
SPECIFICATIONS
Power output
(Both channels
Power bandwidth
Frequency characteristics
Harmonic distortion
Intermodulation distortion
(at rated output)
(at 1/2 rated output)
Input sensitivity/lmpedance
Signal-to-noise ratio (IHF, A network.
Damping factor (8 ohms)
Power supply
Power consumption
Dimensions
Weight
SPECIFICATIONS
September
MANUAL
should be observed
in the unit have special safely
parts in the power circuit
are marked with in the
a repaired unit to the customer,
safe to operate without danger
driven)
(8 ohms) (at rated output)
(8 ohms)
short circuited)
AND PARTS
STEREO POWER AMPLIFIER
1983
CONTENTS
SPECIFICATIONS
CARACTERISTIOUES
FEATURES • MERKMALE
SERVICE POINTS
POINTS DE SERVICE
ADJUSTMENTS
DISASSEMBLY
AUSTAUSCH • DEMONTAGE
PRINTED WIRING
PLAN DE BASE
CIRCUIT DIAGRAM
CHECKING THE
CIRCUIT ÜBERPRÜFEN DES SCHUTZSCHALTKREISES
VÉRIFICATION
DE PROTECTION
TROUBLE SHOOTING
DETECTION DE
BLOCK DIAGRAM
SCHEMA DE CÄBLAGE
REPLACEMENT
TABLEAU DES
FRONT AND REAR
BEDIENUNGSTAFEL
when servicing.
related characteristics, always
block should not be replaced
circuit diagram and printed wiring
the service technician must thoroughly
of electrical shock.
100 watts* per channel,
20 Hz to 20 kHz, with no more than 0.005% total
harmonic distortion.
100 W/ch + 100 W/ch (8 ohms, 1 kHz, TH.D. 0.005% SINUS DIN Ru'e)
120 W/ch + 120 W/ch (8 ohms, 20 Hz- 20 kHz, T.H.D. 0.005%)
130 W + 130 W (8 ohms 1 kHz, T.H.D. 0.5% IEC)
150 W + 150 W (8 ohms 1 kHz Dynamic Power)
200 W (8 ohms, 1 kHz, T.H.D. 0.005%, BTL connection)
5 Hz - 100 kHz (8 ohms, T.H.D.
0.5 Hz - 100 kHz (+0,
Less than 0.00596
Less than 0.008%
Less than 0.005%
I V/47 k-ohms
118 dB
100 (1 kHz), 60 (20 Hz — 20 kHz)
AC 120 V 60 Hz,
120 V/220 V/240 V
280 W (at 1/10 rated power)
450 W or 550 VA (at 1/'3 rated output)
750 W (at rated output)
435(W) X 165(H) X 320(D) mm
15.8 kg
• Measured pursuant to the Federal Trade Commission's
Regulation Rule on Power Output Cla:rns for Amplifiers.
ARE SUBJECT TO
TOYOKAWA
No. 339
HMA-8500MKN
• INHALT • SOMMAIRE
TECHNISCHE OATEN
TECHNIQUES
CARACTÉRISTIQUES
• WARTUNGSPUNKTE •
• EINSTELLUNGEN RÉGLAGES
AND REPLACEMENTS • ZERLEGUNG
ET REMONTAGE
BOARD • PRINTPLATTEN
SCHALTPLAN • PLAN DE CIRCUIT
OPERATION OF THE PROTECTION
DU FONCTIONNEMENT DU CIRCUIT
FEHLERSOCHE
PANNES
SCHALTPLAN
PARTS LIST • ERSATZTEILISTE
PIECE
PANEL VORDERE UND
PANNEAUX AVANT ET ARRIERE
use genuine Hitachi's replacement
with other makers.
hoard
test the unit to ascertain
min. RMS, at 8 ohms from
0.05% 1/2 Rated)
-1 dB)
220 V 50/60 Hz
50/60 Hz
CHANGE FOR IMPROVEMENT.
WORKS
EGF
UND
8
•
9
10
11,12
12,13
• 15—18
HINTERE
19
parts.
that it
Trade