Kenwood KR-V9090 Service Manual

TAPE/MDCDPHONO
PLAY
IN
REC
OUT
VIDEO1 VIDEO3VIDEO2
PLAY
IN
PLAY
IN
PLAY
IN
REC
OUT
ADAPTOR
INOUT
AUDIO
ƒ
SL 16 XS 8
SUB
WOOFER
SURROUND FRONT
CENTER
L
R
AUX.6CH.INPUT SYSTEM CONTROL
SIGNAL
GND
L
R
Full Digital Decoding
TRAITR
thermally reactive advanced instantaneous transistor
AUDIO−VIDEO SURROUND RECEIVER 1070VR
PHONES
POWER
1234567890
STANDBY
MUTE
LEVEL INDICATOR
DIRECT MEMORY AUTO TUNINGBAND BASS TREBLE
LEVEL CONTROL
SPEAKERS A
B
PRO LOGIC 3 STEREO
STEREO DSP
LOUDNESS SOURCE DIRECT
DIMMER
CENTER MODE
INPUT SELECTOR VOLUME CONTROL
VIDEO
ON/STANDBY
DOWN UP
AV AUX
L
- AUDIO - R
MUTE
+10
D G
ECODIN
F L ULL DIGITA
Slide switch
(S31-2132-05)
Phono jack
(E63-0141-15)
Phono jack
(E63-0139-15)
Miniature phone jack
(E11-0293-05)
Screw terminal board
(E70-0049-05)
Slide switch
(S62-0034-05)
Lock terminal board
(E70-0065-05)
Phono jack
(E63-0135-15)
Phono jack
(E63-0163-05)
Phono jack
(E63-0111-05)
Metallic cabinet
(A01-3269-11)
AC outlet *
(E03-)
AC power cord *
(E30-)
Power cord bushing
(J42-0083-05)
Knob(BUTTON) *
(K27-2176-04)
Knob *
(K29-)
Panel *
(A60-)
Phone jack
(E63-1002-05)
Front glass *
(B10-)
Knob
(K29-6247-04)
Phone jack
(E11-0272-05)
Phono jack
(E63-1005-05)
Lock terminal board
(E70-0052-05)
AUDIO VIDEO SURROUND RECEIVER
KR-V8090/KR-V9090
1060VR/1070VR
SERVICE MANUAL
© 1997-6/B51-5322-00 (K/K) 3145
Illustration is 1070VR.
* Refer to parts list on page 36.
KENWOOD badge *
(B43 -0302-04)
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299

Kenwood KR-V9090 Specifications

General

Tuning range	FM, MW
Speaker load impedance	4 - 16 ohms
Signal-to-Noise Ratio	100 dB
Output	Pre-out, Headphone out
Video Connections	Composite video in/out
Frequency Response	10 Hz - 100 kHz

Summary

Controls Overview

Standby Indicator Explanation

Explains the function and power consumption of the STANDBY indicator.

Disassembly for Repair Procedures

System Block Diagram

Circuit Description

Microprocessor Periphery Diagram

Block diagram of the microprocessor and its peripheral circuits.

Terminal Explanations

Detailed explanation of input/output terminals and their functions.

Initial State and Back-up Functions

Back-up Clear Functionality

Describes clearing back-up conditions and initializing functions to their initial state.

Tuner Preset Memory Initialization

Mode and Destination List

Control Integrated Circuit Settings

Selector Switch Conditions

Details the conditions and settings for the selector switch integrated circuit.

PLL IC Expansion Port Control

Test Mode Operations

Test Mode Setup and Cancellation

Instructions for entering and exiting the test mode.

Tuner and Amplifier Functions in Test Mode

Describes tuner and amplifier operations during test mode.

Adjustment Procedures

Wiring Diagram

PC Board Component Layout

Exploded View of Unit

Parts List