Hitachi IA 600 Service Manual

Page 2

MODEL lA-6OO SERVICE MANUAL .

2. FEATURES

1. Noise has been reduced to the minimum and S/N (signal-to-noise) ratio has been further improved,
because of the adoption of high-performance, low~noise type hybrid IC (Integrated Circuits) in the

equalizer section.
2. Since the tone control uses the NF type step-system, tone effect can be clearly perceived.

3. Complementary ITL, OTL circuits of constant-current drive system and Hitachi highaperformance
silicone transistors have realized lowest distortion and minimum noise.

4. MIC jack is Very convenient for those who comment on record concerts or study foreign languages.

Handling is easy and convenient by the adoption of an input sensitivity change-over switch on the
PHONO and a speaker change-over switch.

6. It is possible to use this model for various purposes, because the IA»600 is equipped with a pre-
main detachable terminal.

7 The one-touch system of Speaker Connection terminal makes speaker Connection easier.

3. NAMING OF COMPONENTS

Balance central ,
anei swrlcn fgfsggm (EALANCE) mdiPtElOIuiiolamp AUXIfldlcaKian rm,I
(POWER) Treble control anume cnnrrol mum Puma" selecwi

Fuwer Indlcflllun nma (mans) (VOLUME) mmlmmw (FUNCTION)

Loudness swllcn Made swuch Tape mommy switch MIC litk

iHeadDhone lack (LOUDNESS) (MODE, (TAPE momma) (MIC)

(PHONES) Svenkei changznvel nghhflev swunh Mic indication lamp
Swllch (A-SPEAKERVE) (HIFILTER)

Fig. 1 FRONT PANEL

PHONO Input telmlnals PRE. our lerminals Ac power (use

TUNER lnoul lemilnals MAIN IN terminals
AUX~1 input terminals

In ul ssnsrnwiy swiich _ _
(PPHDNO HIGH-LOW) AUX 2 Input

DC powev lus- (FAST)

warm I m mml x

6 a my. "ii-uriirm 33%; £515.?
more i l
ms mm 5w: 3":- 4,

O

O 0.193 001) (i
a» fink-fl 0

DIN record/plaéback
annneclor (R C/PLAV) Ac PW mm s P W mm
Tape recorder output lUNSWITCHED) 5.. a
lelminals "APE our)
Tape recorder
inpui terminals (up: in)

Ground terminal
6ND)

Speaker [ermlnzls Ac Power miller
(SWITCHED)

Fig. 2 REAR PANEL

,2_