Itt 80145 service manual

Page 2

ITT

SERVICE-

INFORMATION

POWER AMPLIFIER
HiFi 80145

DIE SPANNUNGEN SIND DHNE SIGNAL MIT EINEM INSTRUMENT RI = GEkn/V, SET 2qu EETRIEBSSPANNuNG GEGEN MASSE GEMESSEN.

JHE VOLTAGE MEASUREMENTS ARE TAKEN WITHOUT SIGNAL AT 220V OPERATING VOLTAGE WITH METER Ri : aakn/v To GROUND.

LES RELEVES DE TENSION SDNT EFFECTUES SANS PRESENCE DE SIGNAL AVEC UNE TENSION DALIMENTATION DE 220 VoLTS ET A
L'AIDE DUN INDICATEUR RI = sakn/v A LA MASSE.

DIE ANGEGEEENEN WERTE sIND GEMITTELTE SERIENWERTE UND KDNNEN UM HOV/I, SCHWANKEN.

THE INDICATED MEASUREMENTS ARE AVERAGE VALUES DETERMINED FROM SERIES MEASUREMENTS AND MAV DEVIATE :qu
LES RELEVEs INDIQUES SDNT DES VALEURS MOVENNES DETERMINEES PAR LES RELEVES EN SERIE ET PEUVENT VARIER DANS UNE
MARGE noes.

25A798F,G R39I 25A9I6K,L ZSD4|5P,Q 2807450,R ZSCI845E,F
2 \-I _ I I
3,3K D303 N g3|3
(0.5w) 152473 2 '3 g -l
D305 TR 307 33F
[$247352 TR309 TR3I3 TR40| D405 330
R405 I
0301 3|7|fi 630: ~ 2 27K SPEAKERS
I 2.2/50 6K l ' '0 152473 RLY40| LEFT
INPUT a and: z s -P >-o I
Onj R305 - R 335
I00 , 3Q ,
47K ,. -o\o-
g II5K 470P ESEU gr ' RIGHT
fl: TR303 TR 305 I m SYSTEM A
O
3 g D30I o ,0 C309100P 3' 2:59 "If; 4 LEFT
- $24733 mm 3 TR3|5 0.1 9D
8 :or-1\ R32 R335 W:
m Eva-'3 32 R325 R392 ,0 ON _ b I-o
n: .44 m0 N IS (2w) [] 2 o RIGHT #
M - -
ZSCI845 E, F 23CI94 | K, L 23354930 238705 OR 3 6
E 3 .Lcssl I1:
8 a 5' 33/25 a z
_ -
m
o
g @ LEFT
0 .
TR402 9405
0302 R306 ' g o)
. RIGHT
I +
' SYSTEM B
N 2 LEFT
N V
EEJRI an 0
° 3 RIGHT -
4)
TR312 TR316'
R324 R336
C3IS
+ R326
SELI3206 SELISZOG
_____ SC94SRQ 23057|K,L 25094580 0 LEDflzILEDfO
vr
REMOTE o o
CONTROL m f ZSA733P,Q 25094530 250945P,Q
INPUT 47K R4
$30I . S R4I5
N 32° [] 885 TR403 Isox
D504 (IW) m_
]R507152473 3.1 D407
LBK D4,: 43,1 624-13 3405 TR405
at)? 40 27K 0 IN N
A |0D2 0r FI4A Rm 52473
c\0- ,\ 3 E 27" 13404 2049 p 0.15
soon: I _ '7' 45-5 3 + R409 27K D439 D 2 3)
A 6-3 5 I 3; + E [ __." Isz473 + 6.le3
.__"_ 250V 5 , 0° M aceoz g 2': mm 27K [1 ..
com s 8- I .. 6 IOOOO/56 U -
(0.5M 0403 R4. 0404
4700PF250 3 F I T IOO/IONPT IOOK '°°/° R242?
0002 I ' ' '
4700PF250v RI I + -
'5 F602 8 I K'r "6603
A 3535; g I I0000/56
\ 0/!) K -45,5
SDOI b u D50,
& TRANSFORMER A ssvszo
INCLUDES THERMAL
FUSE.
ACHO...IZ7V/220V/24DV
50/50! POT FUNCTION
::g::::::T§BAUYEILE WI sINH DER L'EcHANSE DE cES COMPOSANTs PAR SAFETYVREDUIREMENTS COMPONENTS IN VR3OI IddIe Current LCh
TS E .
DflfiFEN NU: :LIRMCIflHUigGRGDLEif lat: DES PIECES NON HDMOLOGUEES RISOUE ACCORDANCE WITH PRESENT SAFETY VR302 IddIe Currant RCh

ERSETZT WERDEN

DE FAIRE PERDRE LA SECURITE DANS
cE CA5 NDUS DEGAGEONS NOTRE
RESPONSAELITE

REGULATIONS YNESE COMPONENTS
MUST oNLV DE REPLACED av ORIGINAL
PARTS.

66112770 (887) NE

Anderungen vorbehalten / Modifications reserved /SOUS reserve de modifications