Kenwood KRFX 7775 DS Service Manual

Page 1

KRF7X7775D(K)iut1p71 01.5.12 0:30 PM \°-/1

AUDIO VIDEO SURROUND RECEIVER

KRF-X7775D/X7775D-S

VFl-5080/5090

SERVICE MANUAL

KENWOOD

© 2001-5/B51-5723-00 (K/K) 3164

Panel *
(AGO-l

Front glass
(B10-3639-02)

Knob *
(K29-)

o
mars mm
-.

owsuNDav

@ i c :2 c
Knob * Phone jack Panel * Indicator Indicator Knob * Cylindrical receptacle Pin jack
(K29-) (E11-0190-05) (A29-) (B1 2-0391-14) (B1 2-0392-14) (K29-) (Ese-ooze-os) (E63-1121-05)
/ \
K / Fletangular receptacle Ngmature phone jack * Miniature phone jack
(E58-0033-05) ( 'l (E11-0347-05)
Pin jack Pin jack * Miniature phone jack * AC power cord *
(E63-112B-05) (E63-) (E11-) (E30-)
Oscillating module Pin jack * Miniature phone jack * AC power cord bushing *
(WO2-2717-05) (E63-) (E11-) (J42-)
Pin jack * Pin jack * Lock terminal board *
(E63-) (E70) V
A A w "raw WWW
gmv \m/m/fi H E El
a; STE:
K lllllllll-l 3 smcflmk
% mm M @Qm
'_:[ 14 DDDDE JDDDE ED
0 m V
a~ gt HUM JDDDE JED (glg + m
E DDDDliDDDl 1m 9, g @

Pin jack * Pin jack *
(E63-) (E63-lx2

Optic receiving module Pin jack *
(W02-2716-05) (E63-)x3

Cylindrical receptacle *-
(E56-)

Illust is KRF-5090.

DDDDE lDDDl JED
DDDDE lDDDl JED @ ® @

Pin jack *
(E63-)
Pin jack *
(E63-)

(E56 )
(E56-)

-- Mini r hne' k A 0 le*
Egg? (5116131937902) lac (£333t t
Pin jack * Screw terminal board
(E63-) (E70-0133-15)
Pin jack * Screw terminal board
(E63-) (E70-O131-05)

Cylindrical receptacle *

-Cylindrical receptacle *

Pin jack *

(E63-)x2 fim

* Refer to parts list on page 55.

Page 2

r\
\/

KRF7X7775D(K)iut1p71 01.5.12 0:30 PM \°~:/°2 /\

KRF-X7775D/X7775D-S/VR-5080/5090

CONTENTS / ACCESSORIES

Contents
CONTENTS / ACCESSORIES .................................. 2 PC BOARD ................................................................ 9
DISASSEMBLY FOR REPAIR.. ...3 SCHEMATIC DIAGRAM ..
BLOCK DIAGRAM .................... ...5 EXPLODED VIEW ...........
ADJUSTMENT ...... ...6 PARTS LIST ............
WIRING DIAGRAM ...8 SPECIFICATIONS ..
Accessories
r
Remote control unit Batteries AM Loop Antenna FM Antenna

(A70-1453-05): RC-R0913...KP1K1P2
(A70-1454-05): RC-R0914...M1X1Y1V
(A70-1455-05): RC-0915.....E1 E2

Battery cover(A09-1166-08)

AC plug adaptor ".............. (1)

Use to adapt the plug on
the power cord to the shape
of the wall outlet.
(Accessory only for regions
where use is necessary.)

fl
@

* Refer to parts list.

(T90-0852-05) (T90-0855-05)

Antenna ass'y
(T90-0850-15)
U.S.A. only

[l DOLBY Dfl|oou3v sunnoumo

DIGITAL PRO'LOGIC

Manufactured under license from Dolby Laboratories.
Dolby , Pro Logic , AC-3 ,and the double-D symbol are
trademarks of Dolby Laboratories. Confidential Unpub-
lished Works. 1992-1997 Dolby Laboratories. All rights

reserved.
D I G I T A L

SURROUND

Manufactured under license from Digital Theater Sys-
tems, Inc. US Pat. No. 5,451,942 and other world-
wide patents issues and pending. DTS and DTS
Digital Surround are trademarks of Digital Theater
Systems, Inc. ' 1996 Digital Theater Systems, Inc.
All rights reserved.

I-DCD

-, HDCDD, High Definition Compatible Digitalu
and Pacific MicrosonicsTM are either registered trade-
marks or trademarks of Pacific Microsonics, Inc. in
the United States and/or other countries. HDCD sys-
tem manufactured under license from Pacific Micro-
sonics, Inc. This product is covered by one or more
of the following: IN the USA: 5,479,168. 5,638,074.
5,640,161. 5,808,574, 5,838,274, 5,854,600.
5,864,311, 5,872,531, and in Australia: 669114. Other
patents pending.