Kenwood KRF-V9992D User Manual

AUDIO VIDEO SURROUND RECEIVER
KRF-V9992D
VR-3090/3100
SERVICE MANUAL
© 1999-7/B51-5560-00 (K/K) 1685
SYSTEM
CONTROL
FRONT SPEAKERS
(6-16 Ω)
CENTER
SPEAKER
(6-16 Ω)
SURROUND SPEAKERS
DIGITAL IN
CD1
COAXIAL
VIDEO 4
COAXIAL
VIDEO 3
OPTICAL
VIDEO 2
OPTICAL
SL 16 XS 8
(
SL 16
)
(
XS 8
)
(
6-16 Ω
)
OPTICAL
DIGITAL OUT
SWITCHED
L
R
A
L
R
L
C
R
B
SL 16
TEXT
IR
RECEIVER
IN
RELAY
CONTROL
IR
OUT
LCD
REMOTE
IR REPEATER OUT
TV
ON/OFF
SENSOR
L
R
R
R
L
R
ANTENNA
AM
-FM 75Ω
GND
CD1
PHONO
MD/
TAPE 1
REC
OUT
PLAY
IN
REC
OUT
PLAY
IN
PLAY
IN
PLAY
IN
CD2 /
TAPE 2
MONITOR
MONITOR
OUT
SURROUND
CENTER
SUB
WOOFER
L
L
R
FRONT
L
R
VIDEO S VIDEO
VIDEO
SECOND ROOM PRE OUT
PRE OUT
AUDIO
VIDEO 3
VIDEO 4
PLAY
IN
VIDEO 2
VIDEO 1
L
R
AUDIO
PLAY
IN
REC
OUT
+
-
AUDIO
PHONES
INPUT SELECTOR
VOLUME
DTS
DOLBY DIGITAL
CLIP INDICATOR
POWER
ON/STANDBY
A
B
SPEAKERS
MUTE
DOWN UP
DISPLAY MODE
S VIDEO
V L - AUDIO - R
CD2 / TAPE2
MONITOR
ON OFF
AV AUX
Indicator
(B12-0326-04)
Indicator
(B12-0333-04)
Indicator
(B12-0303-24)
Panel*
(A60-)
Knob*
(K29-)
Knob*
(K29-)
Knob*
(K29-)
Front glass
(B10-2418-03)
Video cylindrical receptacle*
(E56-)
Phone jack
(E11-0271-05)
Phono jack
(E63-1030-05)
Knob*
(K27-)
Knob*
(K29 -)
Lock
terminal board
(E70-0052-05)
AC power cord*
(E30-)
Miniature phone jack
(E11-0373-05)x2
Oscillating module
(W02-1114-05)
AC outlet*
(E03-)
Screw
terminal board
(E70-0096-05)
Phono jack
(E63-0133-15)
Phono jack
(E63-1028-05)
Front glass
(B10-2451-03)
* Refer to parts list on page 42.
Phono jack
(E63-1084-05)
Phono jack
(E63-1005-05)
Slide switch
(S62-0034-05)
Phono jack
(E63-0139-15)x2
Phono jack
(E63-0200-05)
Phono jack
(E63-0136-15)x2
Power cord bushing
(J42-0083-05)
Screw terminal board
(E70-0095-05)
Optical receiving module
(W02-1181-05)x2
Video cylindrical receptacle
(E56-0011-05)x2
Miniature phone jack
(E11-0360-05)
Phono jack
(E63-0162-05)x2
Miniature phone jack
(E11-0291-05)
Miniature phone jack
(E11-0374-05)x2
Phono jack
(E63-1008-05)
Note: Keep this manual with the previous manual (B51-5426-00).
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Kenwood KRF-V9992D Specifications

General

Channels	5.1
Input Sensitivity	200 mV
Video Connections	Composite, S-Video
Tuning range	FM, MW
Frequency Response	10 Hz - 100 kHz
Signal-to-Noise Ratio	100dB
Speaker load impedance	8 ohms
Digital inputs	coaxial, optical
Dimensions	440 x 166 x 432mm
Power Output	100 watts per channel (8 ohms)

Summary

Adjustment Procedures

FM Section Adjustment Details

Covers discriminator, distortion, and tuning level adjustments for FM sections.

Audio Section Idle Current Adjustment

Details the idle current adjustment procedure for the audio section.

System Connections Diagram

PC Board Component Layouts

PC Board Component Diagrams

Visual layout of components on various printed circuit boards for reference.

Schematic Diagrams

Tuner, Video, and Input Schematics

Circuit diagrams for tuner, video inputs/outputs, and various input sections.

Audio, Control, and DSP Schematics

Circuit diagrams for audio sections, control logic, and DSP processing.

Power, Relay, and Buffer Circuits

Circuit diagrams covering power supply, relay control, and buffer stages.

Exploded View and Parts Identification

Parts List and Information

Detailed Parts Listing

Comprehensive list of parts with numbers, descriptions, and destinations.

Parts List Reading Guide

Instructions on how to interpret the parts list and model abbreviations.

Technical Specifications

Audio Section Specifications

Details on rated output power, THD, frequency response, and S/N ratio.

Video and Digital Audio Specifications

Specifications for video inputs/outputs and digital audio parameters.

Tuner and Relay/IR Specifications

Specifications for FM/AM tuners and relay/IR control interfaces.

General Specifications and Dimensions

Overall power consumption, dimensions, and weight.