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CD RECEIVER
KDC-8021/M9021/X859
SERVICE MANUAL
The CD mechanism information is not in this service manual.
Please, refer to service manual.
KDC-M9021/X859 : X92-4460-0x(B51-7891-00)
KDC-8021
: X92-4450-01(B51-7889-00)
KDC-X859
Panel assy
(A64-2567-02)
KDC-M9021
Panel assy
(A64-2587-02)
KDC-8021
Panel assy
(A64-2588-02)
DC cord
∗
(E30-4939-05)
Escutcheon
∗
(B07-3010-02)
∗
Depends on model. Refer to the parts list.
NF
DAB
50Wx4
NF
DAB
PREOUT
50Wx4
DAB
50Wx4
DC cord
∗
(E30-4956-05)
Mounting hardware assy
(J21-9716-03)
IN
SQ
ATT
ST
LOUD
RDS
TI
OFF
AUD
REP
RDM
F.SEL
MENU
SCN
PTY/D.REP
P.M/M.RDM
SRC
1/5
2/6
3/7
IN
P/S
ATT
ST
LOUD
RDS
TI
AUD
OFF
REP
RDM
F.SEL
MENU
SCN
GSM
PTY/D.REP
P.M/M.RDM
SRC
2/6
1/5
3/7
IN
P/S
ATT
ST
LOUD
RDS
TI
OFF
AUD
REP
RDM
MENU
SCN
GSM
PTY/D.REP
P.M/M.RDM
SRC
1/5
2/6
3/7
Plastic cabinet assy
Remote con.assy
∗
(A02-1497-13)
(A70-)
Lever
(D10-4562-04)
Bracket (L)
(J19-5051-03)
Bracket (R)
(J19-5052-03)
2002-2 PRINTED IN KOREA
C
B51-7901-00 (K) 3169
KDC-X859
COMPACT
DIGITAL AUDIO
TEXT
Escutcheon assy
PREOUT
SIRIUS
READY
(B07-3007-03)
AUTO
SCRL
ANG
4/8
KDC-M9021
Escutcheon assy
COMPACT
DIGITAL AUDIO
TEXT
(B07-3007-03)
TI
SCRL
ANG
4/8
KDC-8021
Escutcheon assy
COMPACT
DIGITAL AUDIO
TEXT
(B07-3007-03)
TI
SCRL
ANG
4/8
Remote con.assy
Antenna adaptor
∗
(A70-0886-15)
(T90-0523-05)
Screw set
Screw set
∗
(N99-1722-05)
(N99-1704-05)
Torsion coil spring
(G01-2924-04)
∗
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Table of Contents
Related Manuals for Kenwood KDC-8021
Summary of Contents for Kenwood KDC-8021
- Page 1 CD RECEIVER KDC-8021/M9021/X859 SERVICE MANUAL 2002-2 PRINTED IN KOREA B51-7901-00 (K) 3169 The CD mechanism information is not in this service manual. Please, refer to service manual. KDC-M9021/X859 : X92-4460-0x(B51-7891-00) KDC-8021 : X92-4450-01(B51-7889-00) KDC-X859 KDC-X859 COMPACT DIGITAL AUDIO TEXT Escutcheon assy...
- Page 2 A 8V SW5V IC11-13 PLL+B 4.5V 470mV (K) TYPE IF+B 4.5V 230mV FM+B PRE OUT 251mV (E) TYPE PRE AMP B.U.5V AM+B PRE OUT OUTPUT VOLTAGE 4.5V PRE 1.8V PRE AUDIO MUTE E-VOL SYSTEM MODE (K) TYPE (E) TYPE (E) TYPE SW5V N.C.
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Page 3: Electric Unit (X25-91Xx-Xx)
KDC-8021/M9021/X859 COMPONENT DESCRIPTION ELECTRIC UNIT (X25-91xx-xx) Element Purpose & Function Operation, Condition, Compatibility System uCOM E.Vol & N.C. MPX Power Supply IC Error detection in combination with Q8. Audio 8 V AVR drive. POWER IC 50Wx4ch HPF & LPF & NON-FAD SW CD mechanism 4.7 V power SW-Reg. -
Page 4: Switch Unit (X16-16Xx-Xx)
KDC-8021/M9021/X859 COMPONENT DESCRIPTION SWITCH UNIT (X16-16xx-xx) Element Purpose & Function Operation, Condition, Compatibility PANEL u-com SPECTRUM ANALYZER IC REMOTE CONTROL IC BUFFER IC It is changed into 3.3V from 5V 3.3V REGULATER The power supply of IC and UFD(Logic) which are driver by 3.3V REMO ON SW The power supply of IC2 and IC3 is turned on when the base level goes "L". -
Page 5: Microcomputer's Terminal Description
KDC-8021/M9021/X859 MICROCOMPUTER'S TERMINAL DESCRIPTION PANEL MICROCOMPUTER UPD703032GFA03 (X16) Name Processing Operation SC DATA Data communication with System Controller. MC CLK Clock input from System Controller. DATA1 Data communication with FL driver. Clock communication with FL driver (rise data shifting). DATA 2... - Page 6 KDC-8021/M9021/X859 MICROCOMPUTER'S TERMINAL DESCRIPTION PANEL MICROCOMPUTER UPD703032GFA03 (X16) Name Processing Operation SRC KEY SOURCE KEY "H":ON "L":OFF VREF CON Vref control. During operation: "H" MC REQ Request from System uCOM. "H": Requested. Key scan. (Hi-Z/L scan) Key scan (Hi-Z/L scan). (Flash uCOM write port) (DI) Key scan (Hi-Z/L scan).
- Page 7 KDC-8021/M9021/X859 MICROCOMPUTER'S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER uPD703033AGF-***-3BA (X25) Processing During Processing During Name Purpose Processing Operation Non-Operation STBY DATA line to Panel MC-DATA Hi-Z Hi-Z uCOM. Panel attached: "H". MC-CLK CLK line to Panel uCOM. Detached: "Hi-Z". PLL-DATA I/O DATA I/O to/from F/E.
- Page 8 KDC-8021/M9021/X859 MICROCOMPUTER'S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER uPD703033AGF-***-3BA (X25) Processing During Processing During Pin Name Purpose Processing Operation Non-Operation STBY "L ("Hi-Z" in 10 sec. SW5V I/O 5V power supply terminal. ON: L OFF: Hi-Z Hi-Z after Power OFF). B-U present: "L".
- Page 9 KDC-8021/M9021/X859 MICROCOMPUTER'S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER uPD703033AGF-***-3BA (X25) Processing During Processing During Name Purpose Processing Operation Non-Operation STBY External display CLK Models without external O-CLK terminal. display: Output "L". External display CE Models without external O-CE terminal. display: Output "L".
- Page 10 KDC-8021/M9021/X859 MICROCOMPUTER'S TERMINAL DESCRIPTION SYSTEM MICROCOMPUTER uPD703033AGF-***-3BA (X25) Processing During Processing During Name Purpose Processing Operation Non-Operation STBY Positive power supply Avdd terminal. Avss GND terminal. A/D converter reference Avref voltage supply terminal. TEL muting: 1 V or less. PHONE Phone detection terminal.
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Page 11: Test Mode
KDC-8021/M9021/X859 TEST MODE Test Mode 1. How to enter test mode • Balance is settable in 3 steps of Left MAX / Center / While holding the [1/5] key and the [3/7] key, reset the Right MAX with the Track up/down keys. - Page 12 KDC-8021/M9021/X859 TEST MODE Security items 1. Forced power-ON mode (all models) (3) Point the Mask key remote toward the light sensor, Even when writing is permitted by the security function and press and hold its key for more than 0.5 second.
- Page 13 X25-9170-10/9182-70 PC BOARD(Component side view) Ref. No. IC10 IC11 IC12 IC13 IC14 IC15 Address X16-1600-10/1612-70 (J74-1311-12) Ref. No. Q12 Q13 Q15 Q16 Q23 Q24 Q25 Q38 Q39 Q40 Q41 Q42 Q43 Q46 Q48 Address X25-9170-10/9182-70 (J74-1309-12) X16-1600-10/1612-70 Ref.No. Address IC15 C133 C132 C200...
- Page 14 PC BOARD(Foil side view) X25-9170-10/918 Ref. No. IC8 IC16 Q10 Q14 Q17 Q18 Q19 Q20 Q21 Q35 Q36 Q37 Q45 Q47 Q49 Q50 X16-1600-10/1612-70 (J74-1311-12) Address X25-9170-10/9182-70 (J74-1309-12) VOL B R230 R231 C152 R232 R241 C150 R118 R240 D60 D61 R145 C125 C131...
- Page 15 (X25-91XX-XX) ∗ ACC DETECTOR Q17-22 B.UP DIFFERENTAL STABILISER 4.5V PRE OUT DC/DC ORG/WHT POWER-ANT SW ILLUMI 4.5V 22uH ∗ BLU/WHT PRE OUT Q25,28 P. CON DC/DC 10.6V ∗ POWER-CONT SW CONVERTER BOOST ANT CON 10.4V 10.6V 22u16 VIOL CAP+ REAR R FRONT R B.U.
- Page 16 4.7uH MODEL UNIT IF1 +B NAME KDC-X859 (K) 22uH KDC-9020R (M) 0-10 KDC-X759 (K) 4.1V IF1 GND KDC-MP919 (K) KDC-M9021 (E) 4.1V KDC-8021 (E) 2-71 C151 KDC-PSW9521 (E) 0.01 4.1V ∗ 4.1V SUB-CIRCUIT UNIT 4.1V (X16-118X-XX) S.GND IC15 Q11,12 MOTOR...
- Page 17 9 10 11 12 13 X25- UPD703032GFA03 DTA114EUA MA3056-M (X16-16XX-XX) GND LINE KDC-X859(K) (2/2) S.GND BA3830F 2SC4081 D5-7 B30-1564-05 B LINE UNIT KDC-8021(E) (2/2) MODEL NAME RS-171 DTC124EUA D8-11,14 DA204U KDC-M9021(E) (2/2) KDC-X859 00-10 TC74HC4050AFT DTA124EUA MA3240-M TAR5S33 DTC114EUA KDC-8021 12-70...
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Page 18: Exploded View
KDC-8021/M9021/X859 EXPLODED VIEW DME1 PFPC1 PME1 (X25) (X25) 245 242 (X16-118) (X16-118) FPC2 (X16) (X16-16X) Depends on model. Refer to the parts list Parts with exploded numbers larger than 700 are not supplied. -
Page 19: Parts List
FLAT WASHER D14-0760-03 ROLLER N19-2156-04 FLAT WASHER 1B ✽ E30-6054-05 CORD WITH PINPLUG (3PRE) N29-0522-05 RETAINING RING K : KDC-X859 E: Europe K: North America M: Other Areas E1 : KDC-M9021 indicates safety critical components. W: Without Europe E2 : KDC-8021... - Page 20 DIGITAL TRANSISTOR R90-0724-05 MULTI-COMP 1K Q6 ,7 DTC143ZUA DIGITAL TRANSISTOR R90-1022-05 MULTI-COMP 470 R90-1020-05 MULTI-COMP 22K K : KDC-X859 E: Europe K: North America M: Other Areas E1 : KDC-M9021 W: Without Europe E2 : KDC-8021 indicates safety critical components.
- Page 21 CK73GB1C104K CHIP C 0.10UF L77-2738-05 CRYSTAL RESONATOR C69 ,70 CK73GB1H104K CHIP C 0.10UF L77-2002-05 CRYSTAL RESONATOR K : KDC-X859 E: Europe K: North America M: Other Areas E1 : KDC-M9021 W: Without Europe E2 : KDC-8021 indicates safety critical components.
- Page 22 CHIP R 4.7K 1/10W R56 -58 RK73GB2A104J CHIP R 100K 1/10W E2 R156 RK73GB2A103J CHIP R 1/10W K : KDC-X859 E: Europe K: North America M: Other Areas E1 : KDC-M9021 indicates safety critical components. W: Without Europe E2 : KDC-8021...
- Page 23 DIGITAL TRANSISTOR DTA124EUA DIGITAL TRANSISTOR D10 ,11 1SR154-400 DIODE KRA303 DIGITAL TRANSISTOR 1SR154-400 DIODE KTA1046 TRANSISTOR K : KDC-X859 E: Europe K: North America M: Other Areas E1 : KDC-M9021 indicates safety critical components. W: Without Europe E2 : KDC-8021...
- Page 24 TRANSISTOR PTH9C42BD471Q POSITIVE RESISTOR ✽ W02-3341-05 ELECTRIC CIRCUIT MODULE X86-3240-11 TUNER UNIT X86-3342-71 TUNER UNIT E1E2 K : KDC-X859 E: Europe K: North America M: Other Areas E1 : KDC-M9021 indicates safety critical components. W: Without Europe E2 : KDC-8021...
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Page 25: Specifications
KDC-8021/M9021/X859 SPECIFICATIONS KDC-8021 KDC-M9021 87.5MHz-108.0MHz 87.5MHz-108.0MHz Frequency Range(MHz) (50kHz) (50kHz) (Frequency step) 0.7µV/75Ω 0.7µV/75Ω Usable Sensitivity (S/N 26dB) 1.6µv/75Ω 1.6µv/75Ω Quieting Sensitivity (S/N 46dB) 30Hz-15kHz 30Hz-15kHz Frequency Response ± 3.0dB) S/N(dB) 65dB(MONO) 65dB(MONO) > > 80dB(±400kHz) 80dB(±400kHz) Selectivity(DIN)(dB) 35dB(1kHz) 35dB(1kHz) - Page 26 KDC-8021/M9021/X859 SPECIFICATIONS KDC-X859 Frequency Range 87.9MHz - 107.9MHz (Frequency step) (200kHz) Channel Space Selection 50k/200kHz Usable Sensitivity 9.3dBf S/N:30dB (0.8µV/75Ω) Quieting Sensitivity 15.2dBf S/N 50dB (1.6µV/75Ω) Frequency Response 30Hz-15kHz ± ( 3.0dB) 70dB(MONO) > Selectivity 80dB(±400kHz) Stereo Separation 40dB(1kHz) Frequency Range...
- Page 27 KDC-8021/M9021/X859 KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan KENWOOD SERVICE CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A. P.O. Box 22745, 2201 East Dominguez Street, Via G.