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CD . MD-CH CONTROL CD RECEIVER
KDC-Z727
QQ
3 7 63 1515 0
Z727
SERVICE MANUAL
KDC-Z727
Z727
TE
L 13942296513
Plastic cabinet assy
(A02-2711-08)
DC cord assy
(E30-6021-08)
www
.
Panel assy
(A64-2473-08)
EX
AUD
KDC-Z727
4.5V
PREOUT
LOUD DISP
NAME.S
Panel assy
(A64-2625-08)
AUD
LOUD DISP
NAME.S
Remote controller assy
(A70-0894-05)
Lever
(D10-4364-08)x2
x
ao
u163
y
i
2 9
8
Front glass assy
(B10-4204-08)
CD MD-CH CONTROL CD RECEIVER
SCAN
RDM
REP
M.RDM
Front glass assy
(B10-4203-08)
Q Q
3
6 7
1 3
1 5
CD MD-CH CONTROL CD RECEIVER
SCAN
RDM
REP
M.RDM
SIZE AAA BATTERY
(Not supplied)
RC-520
Stay
(J54-0606-04)
co
.
9 4
2 8
© 2001-5 PRINTED IN JAPAN
B51-7791-00 (N) 1737
Escutcheon
(B07-3038-08)
S.A
DPAC
2
ZONE
DAB
COMPACT
SRC
PWR
OFF
DIGITAL AUDIO
TEXT
47Wx4
FM
AUTO
AME
MENU
NF
D I S C
AM
Escutcheon
(B07-3048-08)
S.A
0 5
8
2 9
9 4
2 8
DPAC
2
ZONE
DAB
COMPACT
SRC
PWR
OFF
DIGITAL AUDIO
TEXT
47Wx4
FM
AUTO
AME
MENU
NF
D I S C
AM
Mounting hardware assy
(J21-9585-18)
Screw set
Screw set
(N99-1700-05)
(N99-1716-08)
m
9 9
9 9
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Related Manuals for Kenwood KDC-Z727
Summary of Contents for Kenwood KDC-Z727
- Page 1 CD . MD-CH CONTROL CD RECEIVER KDC-Z727 3 7 63 1515 0 Z727 SERVICE MANUAL © 2001-5 PRINTED IN JAPAN B51-7791-00 (N) 1737 KDC-Z727 Panel assy Front glass assy Escutcheon (A64-2473-08) (B10-4204-08) (B07-3038-08) DPAC CD MD-CH CONTROL CD RECEIVER ZONE...
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Page 2: Table Of Contents
KDC-Z727,Z727 CONTENTS 3 7 63 1515 0 BLOCK DIAGRAM ..................3 COMPONENTS DESCRIPTION..............5 MICROCOMPUTER’S TERMINAL DESCRIPTION........6 TEST MODE ....................11 PC BOARD....................12 SCHEMATIC DIAGRAM ................19 EXPLODED VIEW ..................27 PARTS LIST ....................29 SPECIFICATIONS..............BACK COVER L 13942296513 u163... - Page 3 3 7 6 3 1 5 1 5 0 KDC-Z727 VOL MAX IC300 IC301 IC500 : 830mV : 400Hz 75kHzDEV 60dBuV : 250mV FRONT FRONT : 400Hz 30%MOD 74dBuV E-VOL : 1800mV POWER IC REAR REAR : 1kHz 0dB TDA7407...
- Page 4 3 7 6 3 1 5 1 5 0 Z727 VOL MAX IC300 IC301 IC500 : 1500mV : 400Hz 75kHzDEV 60dBuV : 540mV FRONT FRONT : 400Hz 30%MOD 74dBuV E-VOL : 2600mV POWER IC REAR REAR : 1kHz 0dB TDA7407 CD-CH : 2600mV TA8263BH...
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Page 5: Components Description
Q102,103 AM+B SW Q806 AUDIO 9V SW Q200 MD/CD-CH SW CD/CD-CH signal switching Q900 LED SW LED SW for SRC and KENWOOD logos Q201 MUTE DRV For SA muting 5V Panel SW for SA-BPF and Q930,931 PNL5V SW Q202 ALC... -
Page 6: Microcomputer's Terminal Description
KDC-Z727,Z727 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 G System Microcomputer UPD703033GC060 (IC1 : Main unit) PinNo. Pin name Description Processing Operation AMP_MUTE Muting control output to Power IC Muting ON: Low. Muting OFF: High. AMP_STBY Standby control output to Power IC Standby canceled: High. - Page 7 KDC-Z727,Z727 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 PinNo. Pin name Description Processing Operation Panel open (SW ON): Low. PNL_DET Panel position detection input Panel closed (SW OFF): High. CD_MUTE Muting input from CD mechanism MUTE:LO CD_MRST Reset output to CD mechanism...
- Page 8 KDC-Z727,Z727 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 G Panel Microcomputer UPD703033GC062 (IC900 : Control uCOM) PinNo. Pin name Description Processing Operation VFD_DATA1 Data output "1" to VFD driver VFD_CLK Clock output to VFD driver Resistor connected to GND VFD_DATA2 Data output "2"...
- Page 9 KDC-Z727,Z727 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 PinNo. Pin name Description Processing Operation OUTPUT OPEN Output Enable output to external ROM Chip Enable output to external ROM OUTPUT OPEN OUTPUT OPEN Data input "AD0" from external ROM Data input "AD1" from external ROM Data input "AD2"...
- Page 10 KDC-Z727,Z727 MICROCOMPUTER'S TERMINAL DESCRIPTION 3 7 63 1515 0 PinNo. Pin name Description Processing Operation Key return "3" Key return "2" Key return "1" PN_SC_REQ Send request output to Main uCOM AVCONT A/D reference voltage control output Operating: High. PN_SC_CON Operation control input from Main uCOM Operating: High.
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Page 11: Test Mode
KDC-Z727,Z727 3 7 63 1515 0 TEST MODE System Microcomputer Test Mode (9) Special display when display is All ON Pressing one of the PRESET keys while all display is ON in the All (1) How to enter the test mode OFF mode displays the information as shown below. -
Page 12: Pc Board
3 7 63 1515 0 PC BOARD (COMPONENT SIDE VIEW) DC/DC CONV PWB S800 EJECT SUB PWB D800 R800 DC700 C708 C707 C706 C705 L 13942296513 (FOIL SIDE VIEW) DC/DC CONV PWB SUB PWB CN800 R700 C700 D700 C702 CN801 R702 R703 C704... -
Page 13: Schematic Diagram
3 7 63 1515 0 PC BOARD (COMPONENT SIDE VIEW) X32-5030-01 (J74-1161-02) L 13942296513 CLVS DQSY R202 FCLK STLD TOFS SMCK ST-O TRCRS VDET /RFDET X32-5030-01 u163 address Refer to the schematic diagram for the values of resistors and capacitors. - Page 14 3 7 63 1515 0 (FOIL SIDE VIEW) X32-5030-01 (J74-1161-02) /MUTEL LO/EJ MOTOR /MUTER A.5V LOAD SLED+ EJECT/SLED- S.GND SPDL- S.+B /MSTOP /MRST L 13942296513 R102 SPDL+ TRK- A.+B TRK+ FCS+ FCS- /RST DATA /CLK D.OUT BU.5V D.GND TBAL R234 FBAL LDCNT GCTL...
- Page 15 3 7 6 3 1 5 1 5 0 PC BOARD (COMPONENT SIDE VIEW) CONTROL PWB MAIN PWB TU100 CN400 CN450 CN100 C511B VOL- CN600 13 11 12 8 4 3 2 C513A L100 C103 C102 C105 D400 D403 Q630 D402 C107 L103...
- Page 16 3 7 6 3 1 5 1 5 0 PC BOARD (FOIL SIDE VIEW) CONTROL PWB MAIN PWB C113 D404B C106 R105 C108 D405 L961 D450A C965 C112 R106 RN902 CN600 C966 L960 C356A C356B D404A D451 D450B R964 D352A C943 C628 D352B...
- Page 17 S.7.5V +7.5V +7.5V S.GND KDC-Z727,Z727 CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts carried out (exposed parts are acceptably insulated from the supply circuit) list). before the appliance is returned to the customer.
- Page 18 MAIN UNIT to X32-5080/X32-5030 TU100 REQ C R404 1K R400 47 3 7 6 3 1 5 1 5 0 DATA H R402 47 CN200 22 21 20 19 18 14 13 11 10 9 7 6 5 R401A 100 C200 R200 CN400...
- Page 19 4.0V ∗ R350B R365B R504 100 MUTE D506 C350B DC CORD D500 DIAGNOSIS D507 Z727/828 CN350 PGND4 R368B C357B R354B KDC-Z727/Z828 10u16 -9.4V 14.2V Q350B D350B 4.7K C352 R42, R44,106,310A, IC310 MODEL NAME 310B,639 ∗ BUFF f-CD7 Z828 KDC-Z828 D350A...
- Page 20 CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). KDC-Z727,Z727 Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
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Page 21: Exploded View
KDC-Z727,Z727 EXPLODED VIEW (MECHANISM) 3 7 63 1515 0 M1.7x2.5 N09-4249-05 2x3.5 N09-4172-05 M1.7x4 N09-4202-05 M2x2 N38-2020-46 N09-4294-05 WASHER 1.2 N19-2023-04 WASHER 1.6 N19-2058-04 WASHER 1.6 N19-2093-04 M2x2 N39-2020-46 405A L 13942296513 DPU1 u163 X32-5030-01 Parts with the exploded numbers larger than 700 are not supplied. - Page 22 KDC-Z727,Z727 EXPLODED VIEW (UNIT) 3 7 63 1515 0 SIZE AAA BATTERY (Not supplied) DME1 275(Ktype) 275(Mtype) SUB UNIT DC/DC L 13942296513 UNIT (MAIN) MAIN UNIT FPC1 (CONT.) VFD960 CONTROL UNIT u163 Parts with the exploded numbers larger than 700 are not supplied.
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Page 23: Parts List
POLYSTYRENE FOAMED FIXTURE CC73GCH1H120J CHIP C 12PF H25-0337-04 POLY BAG (04X200X290) ∗ H25-1171-08 PROTECTION BAG (03X270X550) CK73GB0J105K CHIP C 1.0UF E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727... - Page 24 CK73GB1A224K CHIP C 0.22UF C623 CE04CW1A101M ELECTRO 100UF 10WV C318A,B CK73GB1A224K CHIP C 0.22UF C624 CE04CW1E101M ELECTRO 100UF 25WV E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727...
- Page 25 RK73GB1J104J CHIP R 100K J 1/16W RK73GB1J684J CHIP R 680K J 1/16W R223 RK73GB1J392J CHIP R 3.9K J 1/16W E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727...
- Page 26 MA4051(N)-M ZENER DIODE R608 RK73GB1J472J CHIP R 4.7K J 1/16W D200-203 1SS400 DIODE R609 RK73GB1J223J CHIP R J 1/16W E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727...
- Page 27 CHOKE COIL 56 uH Q103 DTC144EUA DIGITAL TRANSISTOR Q200 DTC124EUA DIGITAL TRANSISTOR R700 RK73EB2B102J CHIP R 1.0K J 1/8W E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727...
- Page 28 RN957 R90-0748-05 MULTI-COMP ∗ L92-0348-08 L960 CHIP IMPEDER 1K ∗ S70-0887-08 L961 L33-1127-08 CHOKE COIL 4.7uH S900 TACT SWITCH E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727...
- Page 29 CK73GB1C104K CHIP C 0.10UF RK73GB1J103J CHIP R J 1/16W CK73FB0J475K CHIP C 4.7UF RK73GB1J102J CHIP R 1.0K J 1/16W E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727...
- Page 30 MOUNTING HARDWARE D10-4004-04 LEVER ASSY J84-0107-05 FLEXIBLE PRINTED WIRING BOARD D10-4006-04 LEVER J90-0757-22 GUIDE D10-4007-04 LEVER N09-4249-05 MACHINE SCREW (M1.7X2.5,LOCK) E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727...
- Page 31 PAN HEAD MACHIN SCREW T42-0764-04 DC MOTOR ASSY(SP) T42-1028-04 DC MOTOR ASSY(SL) DPU1 T25-0215-05 OPTICAL PICKUP HEAD L 13942296513 u163 E: Europe K: North America M: Other Areas K : Z727 indicates safety critical components. W: Without Europe M : KDC-Z727...
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Page 32: Specifications
182x53x156mm 7-3/16x2-1/16x6-1/8inch Weight 1.8kg 4.06lbs(1.8kg) 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. Via G. Sirtori 7/9, 20129 Milano, Italy P.O.