Kenwood RXD-V727 User Manual

MINI HiFi COMPONENT SYSTEM
RXD-V525/V626/V727/V828
SERVICE MANUAL
(XD-V525~V828) **
© 1999-8/B51-5567-00 (K/K) 406
70%
In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.
**Refer to page 2 if you want to know system configuration.
Refer to the RXD-652 service manual (B51-5517-00) for
DISASSEMBLY FOR REPAIR.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM
PHONES
AUTO REVERSE
DIRECT PROGRAM SEARCH SYSTEM
A
PLAY
B
REC/
PLAY
AUTO REVERSE
DIRECT PROGRAM SEARCH SYSTEM
MENU
DISC
SKIP
0
PUSH
OPEN
MINI HI-FI COMPONENT SYSTEM
XD-552
PBC KEY CONT ECHO
EX.BASS
SELECT
ENTER
INPUT
DISPLAY
/DEMO
MIC VOL
MIN. MAX.
MIC
BACK
BAND
TUNING MODE
1
@&
¡
#
REV. MODE REC/ARMTAPE EQ.
0
PUSH
OPEN
A
B
DISC
3
DISC
0
OPEN
VIRTUAL
&
^
1
DISC
2
R D S
ON/STANDBY
S
O
U
N
D
C
O
N
T
R
O
L
M
U
L
T
I
C
O
N
T
R
O
L
DOWN
DOWN UP
VOLUME
CONTROL
UP
STANDBY
TIMER
PRO LOGIC
3 STEREO
MIC VOL.
Knob
(K29-7470-14)
Front glass *
(B10-)
Knob
(K29-7471-14)
Knob
(K29-7547-04)
Phone jack
(E11-0219-05)
Phone jack
(E11-0280-05)
Cassette lid assy(L) *
(A53-)
Panel assy *
(A60-)
Knob
(K29-7466-04)
Cassette lid assy(R) *
(A53-)
Panel assy(CD)
(A29-1067-03)
* Refer to parts list on page 55.

Kenwood RXD-V727 Specifications

General

Number of Channels	5.1
Equalizer	Yes
Clock	Yes
Frequency Response	20 - 20000 Hz
Amplifier Output Details	100.0 Watt - 6 Ohm - 1 kHz - THD 0.7% - 5 channel(s) (Surround)
Input Impedance	47k ohms
Tuner Bands	AM/FM
Tuning Range	FM: 87.5 - 108MHz, AM: 522 - 1611kHz
Preset Station Qty	40
DVD type	DVD player
Media Type	CD-R, CD-RW, DVD-R, DVD-RW
Supported Digital Audio Standards	MP3
CD Playback Mode	Repeat
DVD Playback Mode	Repeat
Equalizer Band Qty	5
Output Power / Total	500 Watt

Summary

BLOCK DIAGRAM

CIRCUIT DESCRIPTION - TEST MODES

CIRCUIT DESCRIPTION - MICROPROCESSOR

Microprocessor Periphery Block Diagram

Diagram showing microprocessor connections.

ADJUSTMENT - CD PLAYER

Laser Power and Current Check

Steps for adjusting laser power and current.

ADJUSTMENT - MECHANISM & PC BOARD

Cassette Mechanism Unit Adjustments

Demagnetization, cleaning, and head azimuth adjustments.

WIRING DIAGRAM

SCHEMATIC DIAGRAMS

Record/Playback Unit Schematics

Detailed circuit diagrams for record/playback unit.

Power Amplifier Schematics

Detailed circuit diagrams for power amplifier unit.

PARTS LIST - RXD-V525/V626

PARTS LIST - POWER SUPPLY & SEMICONDUCTORS

PARTS LIST - POWER AMPLIFIER & RESISTORS

SPECIFICATIONS - MODEL AND SPECIFICATIONS

Main Unit Specifications

Amplifier, tuner, cassette, CD player specifications.

SPECIFICATIONS - MODEL AND SPECIFICATIONS (Cont.)

Main Unit Specifications (XD-V525/XD-V626)