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CASSETTE RECEIVER
KRC-708/ 888/ X858/
PS988R
SERVICE MANUAL
The CASSETTE MECHANISM OPERATION DESCRIPTION is the same model D40-1122-05.
Please refer to the service manual for model D40-1122-05(B51-7452-00).
KRC-PS988R
Front glass
(B10-3101-01)
Escutcheon assy
(B07-2139-03)
KRC-X858
Front glass
(B10-3099-01)
Escutcheon assy
(B07-2146-03)
KRC-888
Front glass
(B10-3102-01)
Escutcheon assy
(B07-2139-03)
KRC-708
Front glass
(B10-3100-01)
Escutcheon assy
(B07-2139-03)
Escutcheon
Lever
(B07-2183-02)
(D10-4301-14)
(D10-4302-14)
DC cord
Plastic cabinet assy
KRC-X858/888/708 :
(A02-1489-03)
(E30-4779-05)
KRC-PS988R :
(E30-4781-05)
KRC-PS988R
.
/
KRC-X858
B.S/
MTL/
KRC-888
.
/
KRC-708
MTL/
B.S/
Stay
Torsion coil spring
(J54-0606-04)
(G01-2924-04)
Mounting hardware assy
(J21-9491-03)
2000-2 PRINTED IN KOREA
C
B51-7588-00 ( K ) 1790
/
DISP
/
AUTO
AME
DISP
Bracket(L)
Screw set
(J19-4876-04)
(N99-1683-05)
Bracket(R)
(J19-4875-04)
Remote controller assy
KRC-PS988R/888/708 :(A70-0883-05)
KRC-X858 :(A70-0894-05)
Remote controller assy
Size AAA battary
(A70-0886-15)
(Not supplied)
Panel assy
(A64-1860-02)
Panel assy
(A64-1858-02)
Panel assy
(A64-1861-02)
Panel assy
(A64-1859-02)
Screw set
(N99-1652-05)
40%
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Table of Contents
Related Manuals for Kenwood KRC-888
Summary of Contents for Kenwood KRC-888
- Page 1 KRC-PS988R (B10-3101-01) Escutcheon assy (B07-2139-03) KRC-X858 Panel assy (A64-1858-02) Front glass KRC-X858 (B10-3099-01) Escutcheon assy DISP B.S/ MTL/ (B07-2146-03) KRC-888 Panel assy (A64-1861-02) Front glass KRC-888 (B10-3102-01) Escutcheon assy AUTO (B07-2139-03) KRC-708 Panel assy (A64-1859-02) Front glass KRC-708 (B10-3100-01) Escutcheon assy...
- Page 2 (X13- ) DRIVER SW5V REMO Q57-62 IC1,2 RST SW DIMMER DC/DC (FOR 4.5V PRE) G/A SW DRIVER Q41,42 MAIN MOT KRC-PS978R KRC-778RV/RYV Q33,40,44 KRC-888 ILL AVR KRC-878R VLCD KRC-PS988R KRC-708 KRC-778R/RY Depeds on the model. Refer to the parts list. KRC-X858...
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Page 3: Microcomputer Terminal Description
KRC-708/888/X858/PS988R MICROCOMPUTER TERMINAL DESCRIPTION UPD784217GC103(105) (IC1: X14-618X-XX) System MicroComputer Pin Name Signal Name Purpose Operation Description P120/RTP0 CHCON Changer control terminal. ON:Hi, OFF:Lo P121/RTP1 CH_MUTE Muting input to changer. ON:Hi, OFF:Lo P122/RTP2 REQH Handshake request to changer. P123/RTP3 DIMMER Small detection. DIMMER ON:Lo, OFF:Hi Cassette mechanism main motor P124/RTP4... - Page 4 KRC-708/888/X858/PS988R MICROCOMPUTER TERMINAL DESCRIPTION UPD784217GC103(105) (IC1: X14-618X-XX) System MicroComputer Pin Name Signal Name Purpose Operation Description 52 P84/A4 WIDE K2I Forced Wide output. H:Forced Wide 53 P85/A5 NARROW I/O K2I Forced Narrow output. H:Forced Narrow During reception: Hi 54 P86/A6 Noise detection time constant SW /During search: Lo.
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Page 5: Test Mode
E2PROM replacement during servicing (Note) Similarly to the '98 models, leaving the set for more (KRC-888 only) than 30 minutes without writing the code causes an 1. Enter the test mode (see "(1) How to enter the test error and turns power off. - Page 6 KRC-708/888/X858/PS988R TEST MODE (12.2) Procedure for canceling the MASK key (13) Other request (when the set is reset or the back-up o Automatic panel closing when the TAPE/CD/MD is power is turned off while the MASK key is inserted is disabled. enabled) o Pressing the ATT key ON/OFF opens or closes the 1.
- Page 7 KRC-708/888/X858/PS988R ADJUSTMENT Set the controls and switches as follows. BALANCE :center position BASS :center position LOUD :OFF DOLBY NR :OFF FADER :center position TREBLE :center position TUNER OUTPUT ALIGNMENT ITEM INPUT SETTINGS (RECEIVER) ALIGN FOR FIG. SETTINGS POINTS SETTINGS FM SECTION SEPARATION 98.1MHz TEST MODE:ON...
- Page 8 PC BOARD (Component side view) (Foil side view) X13-9720-10 (J74-0984-12) X13-9720-10 (J74-0984-12) ILL+B ILL+B L CLK L CLK L DATAL L DATAL REMO REMO DGND DGND DIMMER DIMMER LOCK SW LOCK SW RESET RESET ILL G ILL G Refer to the schematic diagram for the value of resistors and capacitors.
- Page 9 PC BOARD (Component side view) X14-618X-XX Ref.No. Address Ref.No. Address Ref.No. Address Ref.No. Address X14-618X-XX A/2 (J74-0986-22) IC10 IC11 IC12 R120 R121 IC13 IC14 IC15 C190 R122 C100 IC13 X14 B/2 R162 C137 R115 C136 R294 R342 C191 C157 R292 R304 R337 R318...
- Page 10 PC BOARD (Foil side view) (Component side view) (Foil side view) X14-618X-XX Ref.No. Address Ref.No. Address Ref.No. Address Ref.No. Address X14-618X-XX A/2 (J74-0986-22) IC10 IC11 IC12 IC13 C100 IC14 R120 IC15 R121 C190 X87-301X-XX (J74-0985-12) X87-301X-XX (J74-0985-12) R122 IC13 R162 C137 X14 B/2 R294...
- Page 11 : 0.4V DOLBY C22 0.1 4.0V 0-11 CAP- VOUT 0.018 0.027 KRC-X858 OFF,B : 0.4V -9.8V AM/IF C117 Q57-62 KRC-888 DIF VOL. 4.0V 0.27 4.0V 4.16V REGULATOR 4.0V HP FL1 KRC-708 -10V 0.27 FF,REW : 0V AUX2 OUTR HP FL2 4.0V...
- Page 12 0-21 UPD784218GC105 TC7662BEOA 4.7uH KRC-X858 0-11 UPD784217GC103 ICL7660SIBA rating fuse(s). To reduce the risk of electric shock, RF GND KRC-888 0-22 UPD784217GC103 leakage-current or resistance measurements shall be FM ANT IN KRC-708 0-12 UPD784217GC103 R166 Q87,89 carried out (exposed parts are acceptably insulated FM+B R305 2.2K...
- Page 13 GND LINE MODEL NAME UNIT No. IC2 : LC75878W DTC114EK 2SD1819A B LINE IC3 : RS-171 KRC-X858 DTC114TK 2SD2114K KRC-708 Q1,2 : DTA114EK or KRC-888 0-10 B38-1034 DTC114YK UN2111 KRC-778R Q3,4 : 2SD2114K KRC-778RY DTC114YUA Q5-7 : KRC107S KRC-PS988R 5.0V...
- Page 14 AUTO NEWS B NR LOUD disc ED1 SEGMENT (B38-1034-05) (B38-1036-05) AUTO NEWS B NR disc LOUD ED1 COMMON (B38-1034-05) (B38-1036-05) CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s).
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Page 15: Exploded View (Mechanism)
KRC-708/888/X858/PS988R EXPLODED VIEW (MECHANISM) Parts with exploded numbers larger than 700 are not supplied. -
Page 16: Exploded View (Unit)
KRC-708/888/X858/PS988R EXPLODED VIEW (UNIT) Size AAA battary (Not supplied) (X13-978) FPC1 (X13-978) (X13-978) (X13-978) (X13-972) (X13-972) (X13-972) (X13-978) (X13-972) FPC2 (X14) (X13-972) X13-9720-20 X14-6180-XX (X14) X87-301X-XX (A/2) X14-6180-XX (X92) (B/2) N83-3008-46 (X13-978) N83-3005-46 FPC2 M2x3 (BLK) N38-2030-45 M2x2 (BLK) N09-4184-05 M2x3 (BLK) N35-2003-45 2x8 (BLK) -
Page 17: Parts List
PAN HEAD TAPTITE SCREW N38-2030-45 PAN HEAD MACHIN SCREW D13-1453-14 GEAR ASSY D13-1312-34 GEAR N09-4184-05 MACHINE SCREW (M2X2) K : KRC-X858 K1 : KRC-708 E: Europe K: North America M: Other Areas M1 : KRC-PS988R indicates safety critical components. M2 : KRC-888... - Page 18 16WV KK1M2 RK73FB2A222J CHIP R 2.2K 1/10W M1 RK73FB2A223J CHIP R 1/10W C90-2926-05 ELECTRO 220UF 16WV K : KRC-X858 K1 : KRC-708 E: Europe K: North America M: Other Areas M1 : KRC-PS988R indicates safety critical components. M2 : KRC-888...
- Page 19 MULTI-COMP 4.7K X4 C191 CK73FB1H103K CHIP C 0.010UF R90-0737-05 MULTI-COMP 100K X2 C201 CK73FB1H822K CHIP C 8200PF K : KRC-X858 K1 : KRC-708 E: Europe K: North America M: Other Areas M1 : KRC-PS988R indicates safety critical components. M2 : KRC-888...
- Page 20 CHIP R 1/10W K1 R113 RK73EB2B752J CHIP R 7.5K 1/8W R252 RK73FB2A473J CHIP R 1/10W KM1 K : KRC-X858 K1 : KRC-708 E: Europe K: North America M: Other Areas M1 : KRC-PS988R indicates safety critical components. M2 : KRC-888...
- Page 21 DIODE R339-342 RK73EB2B102J CHIP R 1.0K 1/8W R32-0229-05 SEMI FIXED VARIABLE RESISTOR M1 HZM4.7N(B2) ZENER DIODE K : KRC-X858 K1 : KRC-708 E: Europe K: North America M: Other Areas M1 : KRC-PS988R indicates safety critical components. M2 : KRC-888...
- Page 22 DOLBY NOISE REDUCTION UNIT (X87-301X-XX) KRC104S TRANSISTOR UN2213 DIGITAL TRANSISTOR C1 -4 CK73FB1H471K CHIP C 470PF K K : KRC-X858 K1 : KRC-708 E: Europe K: North America M: Other Areas M1 : KRC-PS988R indicates safety critical components. M2 : KRC-888...
- Page 23 D10-4375-08 SLIDER(MAIN PLATE) D13-1494-08 GEAR(B) D13-1495-08 GEAR(C) D13-1496-08 GEAR(D) D10-4376-08 ARM(P-G PLATE) J90-0948-08 GUID D15-0919-08 PULLEY(MID) K : KRC-X858 K1 : KRC-708 E: Europe K: North America M: Other Areas M1 : KRC-PS988R indicates safety critical components. M2 : KRC-888...
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Page 24: Specifications
KRC-708/888/X858/PS988R SPECIFICATIONS KRC-PS988R Frequency Range 87.5MHz~108.0MHz (Frequency Step) (50kHz) Channel Space Selection FIX 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) S/N(dB) 70dB (MONO) Selectivity 80dB (±400kHz) Stereo Separation 40dB (1kHz) Frequency Range(kHz) 153kHz~1611kHz (Frequency Step) (9kHz) - Page 25 161(mm) Weight 3.7lbs(1.7kg) 3.7lbs(1.7kg) 1.7kg 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.