File name KRF-V7771D.pdfAUDIO VIDEO SURROUND RECEIVER
KRF-V7771D/VR-2080 KRF-V8881D/VR-2090
SERVICE MANUAL
© 1998-5/B51-5426-00 (K/K) 1796
Indicator (B12-0326-04)
Panel* (A60-)
Front glass (B10-2451-03)
Indicator (B12-0333-04)
Knob* (K29-)
Phono jack (E63-1030-05)
CLIP INDICATOR
DOLBY DIGITAL
DTS
VOLUME A SPEAKERS ON/STANDBY POWER B DOWN UP MUTE
INPUT SELECTOR DISPLAY MODE
ON
OFF
PHONES
S VIDEO
V AV AUX L - AUDIO - R
CD2 / TAPE2 MONITOR
Knob* (K27-)
Knob* (K29 -)
Phone jack (E11-0271-05)
Knob* Front glass Knob* (K29-) (B10-2418-03) (K29-)
Video cylindrical receptacle* (E56-)
Indicator (B12-0303-24)
Lock terminal board (E70-0052-05)
Phono jack (E63-1008-05)
Phono jack (E63-1005-05)
Phono jack (E63-0133-15)
Phono jack (E63-1028-05) Oscillating module (W02-1114-05)
Miniature phone jack (E11-0374-05)x2 Slide switch (S62-0034-05) Miniature phone jack (E11-0373-05)x2
Power cord bushing (J42-0083-05) AC outlet* (E03-)
SECOND ROOM PRE OUT R AUDIO L VIDEO PRE OUT R SURROUND R AUDIO L AM CENTER REC OUT CD2 / GND TAPE 2 -FM 75 MONITOR PLAY IN ANTENNA REC OUT PHONO MD/ TAPE 1 PLAY IN R L CD1 SUB WOOFER R AUDIO L PLAY IN PLAY IN L VIDEO S VIDEO MONITOR OUT VIDEO 4 VIDEO 3
CD1 COAXIAL
( SL 16 ) ( XS 8 )
IR SL 16 XS 8 RECEIVER IN RELAY CONTROL IR REPEATER OUT
IR OUT LCD REMOTE TV ON/OFF SENSOR
VIDEO 4 VIDEO 3 VIDEO 2 COAXIAL OPTICAL OPTICAL OPTICAL DIGITAL OUT DIGITAL IN
SL 16 TEXT
SYSTEM CONTROL
R
SWITCHED
VIDEO 2 PLAY IN REC OUT VIDEO 1 PLAY IN
R
FRONT SPEAKERS A B L (6-16 ) R
L
SURROUND SPEAKERS L R (6-16 )
CENTER SPEAKER (6-16 ) C +
-
Phono jack Optical receiving module Screw Screw terminal board (E63-0139-15)x2 (W02-1181-05)x2 terminal board (E70-0095-05) (E70-0096-05) Phono jack Video cylindrical receptacle Miniature phone jack (E63-0136-15)x2 (E56-0011-05)x2 (E11-0360-05) Phono jack Phono jack Miniature phone jack (E63-0200-05) (E63-0162-05)x2 (E11-0291-05)
AC power cord* (E30-)
* Refer to parts list on page 60.
KRF-V7771D/V8881D/VR-2080/2090
CONTENTS / ACCESSORIES / CAUTIONS
Contents
CONTENTS / ACCESSORIES / CAUTIONS...2 CONTROLS ...3 DISASSEMBLY FOR REPAIR...5 BLOCK DIAGRAM ...6 CIRCUIT DESCRIPTION ...9 ADJUSTMENT ... 17 WIRING DIAGRAM ...19 PC BOARD ...23 SCHEMATIC DIAGRAM ...31 EXPLODED VIEW ...59 PARTS LIST...60 SPECIFICATIONS ...79
Accessories
Check that the following accessories are present.
Remote control unit (1) (A70-1191-05) AM loop antenna (1) (T90-0833-05) |