KENWOOD RXD-803 Service Manual

Cover page of KENWOOD RXD-803 Service Manual

Service Manual for KENWOOD RXD-803, downloadable as a PDF file.

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MINI HiFi COMPONENT SYSTEM
RXD-803/803E/853/853E/A83
SERVICE MANUAL
(XD-803~A83)**
© 2000-5/B51-5622-00 (K/K) 3633
70%
DISC
1
DISC
2
DISC
3
STANDBY
TIMER
DISPLAY/DEMO
MENU
SELECT
BACK
ENTER
SOUND
CONTROL
TUNING
MODE
MU
LTI CONTROL
REC/ARM
REVERSE
MODE
TAPE EQ.
PHONES
DISC SKIP
OPEN/
CLOSE
EX
.B
A
S
S
PUSH
OPEN
PUSH
OPEN
DECK
PLAY
A
DECK
REC/PLAY
B
VOLUME
CONTROL
I/
Panel ass'y
(A60-1771-31)
Knob
(K29-7721-04)
Panel
(A29-1082-12)
Front glass
(B10-3582-02)
Knob
(K29-7722-04)
Phone jack
(E11-0280-05)
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.
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
Illustration is RXD-853(M).
background image
MINI HiFi COMPONENT SYSTEM
RXD-803/803E/853/853E/A83
SERVICE MANUAL
(XD-803~A83)**
© 2000-5/B51-5622-00 (K/K) 3633
70%
DISC
1
DISC
2
DISC
3
STANDBY
TIMER
DISPLAY/DEMO
MENU
SELECT
BACK
ENTER
SOUND
CONTROL
TUNING
MODE
MU
LTI CONTROL
REC/ARM
REVERSE
MODE
TAPE EQ.
PHONES
DISC SKIP
OPEN/
CLOSE
EX
.B
A
S
S
PUSH
OPEN
PUSH
OPEN
DECK
PLAY
A
DECK
REC/PLAY
B
VOLUME
CONTROL
I/
Panel ass'y
(A60-1771-31)
Knob
(K29-7721-04)
Panel
(A29-1082-12)
Front glass
(B10-3582-02)
Knob
(K29-7722-04)
Phone jack
(E11-0280-05)
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.
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
Illustration is RXD-853(M).
background image
Unplug the power cord from the power outlet then,
while holding the ENTER key depressed, plug the
power cord again.
÷ Please note that resetting the microcomputer clears the
stored contents and returns to the factory set condition.
Operation to reset
The microcomputer may fall into malfunction (impossibility
to operate, erroneous display, etc.) when the power cord is
unplugged while power is ON or due to an external factor.
In this case, execute the following procedure to reset the
microcomputer and return it to normal condition.
(Main unit only)
ENTER
FM indoor antenna (1)
AM loop antenna (1)
Remote
(T90-0836-05)
(T90-0852-05)
(T90-0837-05)
(A70-1367-05): RC-853....KPMXY
(A70-1368-05): RC-853E....TEE2
Battery cover (A09-1151-08)
control unit (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.)
AC
(E03-0115-05)
plug adaptor (1)
Batteries (R6/AA) (2)
Surround speaker system
Surround speaker (2)
Speaker cord (2)
Speaker stabilizer (8)
Center speaker (1)
Speaker cord (1)
Speaker stabilizer (4)
SYSTEM CONFIGURATION
Cautions
RXD-803/803E/853/853E/A83
2
CONTENTS / ACCESSORIES
CONTENTS / ACCESSORIES / CAUTIONS ............. 2
EXTERNAL VIEW .......................................................3
DISASSEMBLY FOR REPAIR....................................3
BLOCK DIAGRAM ......................................................4
CIRCUIT DESCRIPTION ............................................5
ADJUSTMENT ..........................................................11
PC BOARD .............................................................. 13
SCHEMATIC DIAGRAM .......................................... 19
EXPLODED VIEW ....................................................35
PARTS LIST..............................................................37
SPECIFICATIONS ......................................Back cover
Contents
Accessories
SYSTEM
MAIN UNIT DESTINATION
SPEAKER
SP CORD PARTS No.
SPEAKER
SP CORD PARTS No.
XD-803
RXD-803
E
LS-N523
E30-5829-08
CRS-N503
E40-5542-05
XD-803E
RXD-803E E2
LS-N523
E30-5829-08
CRS-N503
E40-5542-05
XD-853
RXD-853
YMXTE
LS-N573
E30-5829-08
CRS-N553
E40-5542-05
XD-853E
RXD-853E E2
LS-N573
E30-5829-08
CRS-N553
E40-5542-05
XD-853(M3) RXD-853
M
LS-N573(M3)
E30-5829-08
CRS-N553
E40-5542-05
XD-A83
RXD-A83
KP
LS-N573
E30-5829-08
CRS-N553
E40-5542-05
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RXD-803/803E/853/853E/A83
3
EXTERNAL VIEW
AC 220-
240V~
AC 110-
120V~
GND
FM
75
AM
ANTENNA
+
-
FRONT
SPEAKERS
DIGITAL
OPTICAL
(6-16 )
R
L
L
R
FRONT
+
-
SURROUND SPEAKERS
(12-16 )
R
L
SUPER
WOOFER
PRE OUT
CENTER SPEAKER
(6-16 )
OUT
CENTER
SURROUND
SUB
WOOFER
6CH.
INPUT
Lock terminal board
(E70-0052-05)
Cover
(F07-1692-01)
Metallic cabinet
(A01-3739-11)
Slide switch
(S62-0001-05)
Pin jack
(E63-0095-05)
Lock terminal board
(E70-0045-05)
Pin jack
(E63-0116-05)
Pin jack
(E63-1008-05)
Oscillating module
(W02-1114-15)
Lock terminal board
(E70-0046-05)
Illustration is RXD-853(M).
DISASSEMBLY FOR REPAIR
BOTTOM SIDE
HOW to open the tray if not comes out.
(1) Turn the friction arm counterclockwise
using a screw driver and the like.
(2) Pull out the tray frontwards by hand
when the tray comes just out.
background image
BLOCK
DIAGRAM
CLK
PLL-CLK
PLL-CE
PLL-DO
SD
ST
PLL-DATA
S-LEVEL
DE-EMPH
R/P
Lch-OUT
Rch-OUT
+12V
REC
PB
AMP
AMP
5V
(600mV)
DECK (1.2V)
CD (1.2V)
Lch-OUT
Rch-OUT
DIGIT
A
L
OUT
DATA
POWER
RELA
Y
XIN
XOUT
XCIN
XCOUT
(10MHz)
(32.768KHz)
MAIN CLOCK
TIMMER CLOCK
MPX
CLK
DATA
u-COM
TUNER
+
+
C1,C2
A,B
CANCEL
BEA
T
OUT
IN
PROTECTION
AT
T
MUTE
BEEP
+
PRO
LOGIC
5V
TUNER
DECK
CD
VIDEO
DA
T
A
CLK
LIN
LOUT
RIN
ROUT
COUT
SOUT
IFCK
DSP CS
IFDI
ACK
+
+
5V
9V
+
+
+
+
3STEREO
VIR
TUAL
ST
ANDBY
TIMER
LED
CONTROL
DATA
CLK
STB
RST
Sch
Cch
MUTE
ATT.
-10dB
Lch
Rch
1M
A120/70
A/B
B1/2
LBASS2
SE
CLK
S4
L
TRE
LSELO
LIN
LBASS1
SE
DA
T
A
SE
CE
C
OUT
S
OUT
S3
S2
S1
C1
C2
C4
C3
SE
CE
SE
DA
T
A
SE
CLK
+12V
+
+
+
+
+
+
+
+
+
S.CchSP
HP-DET
MUTE
ATT.
-10dB
CD
DECK
6ch INPUT
0dB
-6dB
0dB
TUNER
VIDEO
-6dB
0dB
INPUT ATT.
(RECK=H)
R/P
ERASE
SURROUND
OSC
BIAS
BIAS TRAP
BA3126N
CXA1498S
OTHER ch
H.P.
Rch
Lch
RF AMP
AN8806SB
PICKUP/
LOADING
DRIVER
CD DSP
KEY
(X13)
TUNER PACK
FM75
ANT
B DECK
(X28)
DECK
MECHA
IC2
IC1
IC12
RDS
INPUT ATT.
M62498FP
L,RCH IN
IC1
CD
MECHA
CDM-35
DIGITALOUT
(OPTICAL)
MAIN u-COM
M30622MA-A42FP
(X13)
Q3
Q1
IC1
-10dB
MUTE
IC2
IC4
(X14)
AMP
AM
J1
DEMODULATOR
J2
LOUDNESS
INPUT SELECTOR
INPUT VOL.
MAIN VOL.
3BAND TONE
L/R
FRONT
VOL.
SUB
(X32)
P
HEAD SW
PLAY/REC
PLAY BACK
/REC EQ.
A DECK
14,16
IC3
J2
SPEAKERS
(X14)
AMP
BASS REVISE
CIRCUIT
AC/DC
PROTECTION
SLch
SRch
X1
X2
GND
5V
AVR
D33
D32
GND
40V
AVR
-35V
AVR
12V
Q38
Q34
AVR
9V
Q31
5V
AVR
Q32
5V
AVR
X13,Q8
DECK (BIAS)
TUNER
DRIVER
LOADING
PICKUP DRIVER
CD DSP.RF AMP
CONTROL IC
ELECTRIC VOL
-40V
FIL
12V
MAIN
FIP
IC1
ED1
KEY1-3
BASS
VOLUME
FIP
DRIVER
REMOCON INTERFACE
BACKUP
u-COM
Q13,
CN2
IC11
MID TRE
SELECTOR
Zin=100K
DOLBY
DSP
IC14
OTHER CH
VIDEO/6CH
400mV IN
Cch IN
6CH
SLch IN
6CH
SRch IN
6CH
SUB WOOFER
6CH
(X14)
DECK (MECHA)
DOLBY PL DSP
AVR
5V
ELECTRIC VOL
(C,Sch)
(L,Rch)
DOLBY PL DSP
RDS
DECK
CD
D5
GND
-HB
+HB
+LB
-LB
HNA-15MM18T
J4
Cch
AMP
AMP
IC2
IC2
Q8
Q6
IC1
IC13
VOLUME
ELECTRIC
J3
S.W. PRE-OUT
Q5
Q7
SPEAKERS
(X07)
E/T TYPE
ONLY
RXD-A83/803/803E/853/853E
E/T/M/X
DESTINATION
RXD-803/803E/853/853E/A83
4
background image
RXD-803/803E/853/853E/A83
5
CIRCUIT DESCRIPTION
1. Initialization
1-1 Setting of the Initial Conditions
While pressing the [ENTER] key, plug the AC cord into AC
wall outlet.
1-2 Initializing Operation
· A Microcomputer is initialized for start when the AC power
is turned on when pressing the [ENTER] key.
At that time, CD and cassette mechanisms are also initial-
ized.
· During the initial conditions, the display shows *INITIAL-
IZE* and after that it will be returned to standby condition.
1-3 Initial Items
(1) AMPLIFIER
· POWER ON/STANDBY
STANDBY
· VOLUME
14
· BALANCE
CENTER
· INPUT SELECTOR
TUNER
· SOURCE DIRECT
OFF
· MUTE
OFF
· AUTO POWER SAVE
OFF
· AUX INPUT LEVEL
-1
· AUX INPUT MODE
2ch(EXCEPT E,E2,T)
· DISPLAY MODE
AUTO
(2) TUNER
· BAND
FM
· FREQUENCY
LOWEST FREQUENCY
· AUTO/MONO
AUTO
· PRESET CHANNEL
­ ­ ch
(3) CASSETTE DECK
· REVERSE MODE
REVERSE
· TAPE A/B
B
· TAPE DIRECTION
FORWARD
(4) CLOCK
· CLOCK
0:00(E,E2,T)/12:00am(OTHER)
· Program Timer Recoding
ON TIME 0:00(E,E2,T)/12:00(OTHER)
OFF TIME 0:00(E,E2,T)/12:00(OTHER)
· Program Timer Play
ON TIME 0:00(E,E2,T)/12:00(OTHER)
OFF TIME 0:00(E,E2,T)/12:00(OTHER)
· Program on Mode
OFF
· SLEEP TIMER
OFF
(5) Equalizer
· Equalizer
OFF
· CUSTOM EQ.1~3
FLAT
· EX. BASS
ON
· DSP
OFF
· SURROUND
OFF
1-4 Mechanism Initialization
1-4-1 CD Mechanism
· If a mechanism error occurs "C" is indicated on the dis-
play.
1-4-2 DECK mechanism
· When the initial condition becomes NG for the third
time,decide the error.
The error condition is displayed as "X" on the display.
1-4-3 Error display
· If both mechanism (CD/DECK) error occur, the display is
indicated as follows.
· C
X
ERR
Se t
Type
BAND
Receving Frequency
Range
Channel
Space
IF
RF
FM
87. 5MHz
108. 0MHz
100kHz
+10. 7MHz
25kHz
K, P
K1
AM
530kHz
1700 kHz
10kHz
+450 kHz
10kHz
FM
87. 5MHz
108. 0MHz
100kHz
+10. 7MHz
25kHz
M,Y
K 2
AM
530kHz
1610kHz
10kHz
+ 450 kHz
10kHz
FM
87. 5MHz
108. 0MHz
50kHz
+10. 7MHz
25kHz
M,Y , X
E1
AM
531kHz
1602kHz
9kHz
+450 kHz
9kHz
FM
87. 5MHz
108. 0MHz
50kHz
+10.7MHz
25kHz
E, E 2
E1
RDS
AM
531kHz
1602kHz
9kHz
+450 kHz
9kHz
FM
87. 5MHz
108. 0MHz
50kHz
+10. 7MHz
25kHz
MW
531kHz
1602kHz
9kHz
+450 kHz
9kHz
T
E2
RDS
LW
153kHz
7
2 9 kHz
9kHz
+450 kHz
9kHz
2. Destination List of Tuner

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