Kenwood GE 760 Service Manual

Page 1

SERVICE MANUAL

©1992-7 PRINTED IN JAPAN
BS1-4614-00(O)2385

Knob (POWER) Metallic cabinet Panel Knob (INPUT BALANCE) Knob (PRESENCE)
(K29-4015-04) (Am-296801) (A60-) (093741-04) (K29-4420-04)

KENWOOD

Foot (FRONT) Front glass Phone jack (MIC VOL) Phone jack (MIC)*
(J02-1040-05) (810-1926-03) (K29~3741-04) (511*0206-05)

Phono jack (AUDIO (/0) Phone jack (SURROUND SPEAKERS) AC power cord" Power cord bushing AC outlet
(513-0633-05) IE63-0062-05) (E30) (J42-0083»05) (E03-)

Phono jack (VISUAL |/O) Reclangu|ar receptacle (SCONT) Slide switch Foot (REAR)
(E13-0490-05) (EOE-031205) (862000105) (J02-0370-05)

'Refer to parts list on page 22.

Page 2

CONTENTS/ACCESSORI ES

CONTENTS
ACCESSORIES ................................................................................................................... 2
CONTROL / CONDITIONS BV DESTINATION .....
BLOCK DIAGRAM ..................................................
CIRCUIT DESCRIPTION

1. Main Microprocessor : M38173M6-140FP (X14- : IC1) .....

2. Initialize and Tes mode ..................................

3. Surround Processor : VM7128 (X14
PC BOARD (COMPONENT SIDE VIEW) ..

SCHEMATIC DIAGRAM
EXPLODED VIEW (UNIT) .
PARTS LIST .............
SPECIFICATIONS
ACCESSORIES
r \
AC plug adaptor ........... 1 Audio cord .................... 3
Except for some areas : M type only
For the unit with a European AC A
plug in areas other than EurooeI " Q,
\E}
(E03-01 15-05) (E30-050565)
System control cord 1
(BO-ZN
\ J
Instruction manual Warranty card
860-0978-00 : ENGLISH 846-0096-33 (X)
8600975300 (E) :FRENCH, GERMAN B460) 22-23 (E)
DUTCH, )TALIAN
EGO-098000 (M, E): SPANISH BAG-014343 (T)
EGO-098100 (M) :CHINESE -

Page 22

SPECIFICATIONS

PERFORMANCE
Equalizer characteristic variable range .......................................................................................................... i10dB
Center frequencies .............. .................. .60Hz, 150Hz, AOOHz, 1kHz, 2.4kHz, 6kHz, 15kHz
Total harmonic distortion (at 1kHz, flat) .............................................................. 0.05%
Gain ............. .. ................................................................. ................................................................ .....0dB
Signal to noise re (IHF' 66) .. .100dB
Input impedance ..................... ...47kQ
Output impedance ................................ ............... ....... 22kfl
Rated surround output power

DIN (For U.K. and Europe) :89 l1kHz, 1.0% T.H.D.) .............................................................. . ..... 1 OW+10W

IHF 66 (For other countries) : 89 (1kHz, 1.0% T.H.D.)
EIAJ (For other countries) : 80 ..

GENERAL

Power consumption ..................................................... . ................................ . ......................... . ........................... 48W
AC outlets (except for Australia)

UNSWITCHED . ....1 (100W max.)
Dimensions ......... W : 360mm x H : 98mm x D : 357mm
Weight (Net) ............................................................. .................... . ....... . ................................................ 4.2kg

Note: KENWOOD follows a polrcy of continuous advancements In development. For this reason specrfrcatrons may be changed without notice.
DOLBY and the double-D symbol are trademarks of Dolby Laboratories Licensrng CorporatIon. NOIse reductIon mom made under license
from Doby Laboratories Licensing Corporation.

Note :

Component and crrcurtry are sublect to modIfrcatIon to Insure
best operatIon under dlitenng local condItIons, This manual is
based on, the General Market (M) standard. and provrdes Infor-
matron on reglonal Crrcutt modrfIcatIon through use of alternate
schematIc dIagrams. and Information on reglonal component
variatIons through use of parts lrst.

KENWOOD CORPORATION

Shnonogr Shrbwa Bulldma I7-5. Z-Chome smnuya. snows-m. Tokyo I50. Japan
KENWOOD u.s.A. CORPORATION

CONSUMER ELECYRQNlCS GROUP

P 0 BOX 22745 22m Eastoommgueer. Long Beach CA were u s A
KENWOOD ELECTRONICS CANADA INC.

5070 Kestrel Road Mrss-ssauga Ontario. Canada L5T 158

KENWOOD ELECTRONICS LATIN AMERICA S.A.

P 0. BOX 55279!, Pneo 5 Plaza Chase. Cl A7 y Aqurllno de la Guavdra. Panama. Republic de Panama
TRIO-KENWOOD U.K. LIMITED

KENWOOD House. Dwrghl Road. Warlord. Hens WDI BEE Unlled KInqdom
KENWOOD ELECTRONICS BENELUX N.V.

Mechelsesteenweg 4 l E 84930 Zaventem. Belglum

KENWOOD ELECTRONICS DEUTSCHLAND GMBH

RembrackebStr '5. 6056 Heusenslnmm. Germany

TRIO-KENWOOD FRANCE s.A.

l3 Boulevard Nev. 75018 Pans. France

KENWOOD LINEAR s.p.A.

zorzs. Mrlanovia Ame so. new

KENWOOD ESPANA S.A.

Bowle. 23908020 Barcelona. Spain

KENWOOD ELECTRONICS AUSTRALIA PTY. LTD. (AC N. our 499 074)
P 0 BOX 504, B Flglleel Drwe, Australla Centre. Homebush. N S W 21-10. Australla
KENWOOD & LEE ELECTRONICS, LTD.

Uml 37IZ>3724. Level 37 Tower I. Metroplaza. 223 ng Fang Road, Kwal Fong N T Hong Kong
KENWOOD ELECTRONICS SINGAPORE PTE LTD.

NO 1 Gentmg Lane 107-00 Slngaoore. I334