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Instruction Manual
QQ
3 7 63 1515 0
SERVICE MANUAL
KS-FX473R/KS-FX470R
TE
L 13942296513
Contents
www
.
http://www.xiaoyu163.com
CASSETTE RECEIVER
KS-FX473R
KS-FX470R
Different pont
KS-FX473R
KS-FX470R
Safety precaution
Disassembly method
Adjustment method
Description of major ICs
x
ao
u163
y
i
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
http://www.xiaoyu163.com
2 9
8
KS-FX473R
Q Q
3
6 7
1 3
1 5
KS-FX470R
Illumination
Amber
Green
co
.
KS-FX473R/KS-FX470R
9 4
2 8
0 5
8
2 9
9 4
2 8
Area Suffix
E
Continental Europe
EX
Central Europe
1- 2
1- 3
1-13
m
1-16~24
9 9
9 9
No.49689
Feb. 2002
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Summary of Contents for JVC KS-FX473R
- Page 1 KS-FX473R/KS-FX470R 3 7 63 1515 0 SERVICE MANUAL CASSETTE RECEIVER KS-FX473R/KS-FX470R KS-FX473R KS-FX473R L 13942296513 KS-FX470R KS-FX470R Area Suffix Different pont Illumination Continental Europe KS-FX473R Amber Central Europe KS-FX470R Green Contents Safety precaution 1- 2 Disassembly method 1- 3...
- Page 2 KS-FX473R/KS-FX470R 3 7 63 1515 0 Safety precaution Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system. L 13942296513 u163 http://www.xiaoyu163.com...
- Page 3 KS-FX473R/KS-FX470R 3 7 63 1515 0 Disassembly method <Main body> Removing the front panel assembly (See Fig.1) Press the eject button in the lower right part of the front panel. Remove the front panel assembly from the body. Front panel assembly Eject button Fig.1...
- Page 4 KS-FX473R/KS-FX470R 3 7 63 1515 0 Removing the heat sink (See Fig.4) Remove the three screws A on the left side of the body. Heat sink Fig.4 Joints b Removing the bottom cover (See Fig.5 and 6) Bottom cover...
- Page 5 KS-FX473R/KS-FX470R 3 7 63 1515 0 Removing the main board (See Fig.7 and 8) Prior to performing the following procedure, remove the front panel assembly, the front chassis assembly, the heat sink and the bottom cover. Remove the screw B, the two screws C and the two...
- Page 6 KS-FX473R/KS-FX470R 3 7 63 1515 0 Removing the head amplifier board Head amplifier board CJ901 (See Fig.10) Joint c Prior to performing the following procedure, remove the cassette mechanism section. Disconnect the wire from connector CJ901 on the head amplifier board.
- Page 7 KS-FX473R/KS-FX470R 3 7 63 1515 0 Removing the control switch board (See Fig.13 to 15) Prior to performing the following procedure, remove the front panel assembly. Remove the four screws J attaching the rear cover on the back of the front panel assembly.
- Page 8 KS-FX473R/KS-FX470R 3 7 63 1515 0 <Cassette mechanism assembly> Prior to performing the following procedures, remove the head amplifier board, the relay board and the FF / REW lever assembly mechanism bracket. Joint c Removing the direction switch board Joint e (See Fig.1)
- Page 9 KS-FX473R/KS-FX470R 3 7 63 1515 0 Pinch-roller (F) assembly Pinch-roller (R) assembly S support plate C washer A arm spring (b) A arm spring (a) Shaft Shaft Playback head FF roller Remove the P arm spring (f) Remove the P arm spring (r) from the chassis.
- Page 10 KS-FX473R/KS-FX470R 3 7 63 1515 0 Removing the cassette hanger / cassette Cassette holder holder (See Fig.3) Return link Joint i Prior to performing the following procedure, remove Cassette hanger the FF / REW lever assembly. Eject lever From the rear of the unit, bend the two tabs f outwards and disengage the two joints g in the direction of the arrow.
- Page 11 KS-FX473R/KS-FX470R 3 7 63 1515 0 Removing the Flywheel (BF) and (BR) assembly (See Fig.4 and 5) C washer Prior to performing the following procedure, remove the cassette hanger / cassette holder. From the upper side of the cassette mechanism assembly, remove the C washer from each shaft of the flywheel (BF) and (BR).
- Page 12 KS-FX473R/KS-FX470R 3 7 63 1515 0 Removing the mute switch board (See Fig.8) Unsolder the two wires l on the mute switch board on Cassette mechanism assembly Rower switch the back of the cassette mechanism assembly. Soldering l Motor assembly...
- Page 13 KS-FX473R/KS-FX470R 3 7 63 1515 0 Adjustment method Test instruments reqired for adjustment Standard volume position 1. Digital oscilloscoe(100MHz) Balance and Bass, Treble volume, Fader 2.Frequency counter meter :Center(Indication"0") 3.Electric voltmeter Loudness,Dolby NR,Sound,Cruise:Off 4.Wow & flutter meter Volume position is about 2V at speaker output with 5.Test tapes...
- Page 14 KS-FX473R/KS-FX470R 3 7 63 1515 0 Information for using a car audio service jig 1. For 1995 and 1996 , we're advancing efforts to make our extension cords common for all car audio products. Please use this type of extension cord as follows.
- Page 15 KS-FX473R/KS-FX470R 3 7 63 1515 0 Arrangement of adjusting & test points Cassette mechanism (Surface) Motor assembly Tape speed adjust Playback head Azimuth screw Head section view L 13942296513 Fixed screw Head azimuth screw Playback head Height adjusting screw a...
- Page 16 KS-FX473R/KS-FX470R 3 7 63 1515 0 Mechanism adjustment section Item Adjusting & Confirmation Methods Adjust Std. Value 1.Head azimuth "Head Height Adjustment" Note Adjust the azimuth directly. When you adjust the height us- A Line ing a mirror tape, remove the cassette housing from the mechanism chassis.
- Page 17 KS-FX473R/KS-FX470R 3 7 63 1515 0 Description of major ICs AN80T05LF (IC961) : Regulator 1.Terminal layout & Block diagram Reference Voltage ASO & Peak Current Protection Thermal Protection Drive Drive Drive Drive Drive L 13942296513 MODE2 MODE1 5.6V 8.7V 8.7V...
- Page 18 KS-FX473R/KS-FX470R 3 7 63 1515 0 UPD178018AGC555 (IC701) : CPU 1. Pin layout 2. Pin function Pin No. Port Name Descriptions KEY 0 Key input 0 KEY 1 Key input 1 KEY 2 Key input 2 LEVEL Level meter input S.meter level input...
- Page 19 KS-FX473R/KS-FX470R 3 7 63 1515 0 Pin No. Port Name Descriptions Non connect Non connect TELMUTE Telephone mute signal detection input TAPEIN TAPE input I2CCLK I2C information clock output I2CDAO I2C information data output I2CDAI I2C information clock input...
- Page 20 KS-FX473R/KS-FX470R 3 7 63 1515 0 SAA6579T-X(IC761):RDS 1.Pin layout QUAL RDCL RDDA Vref OSCO OSCI TEST SCOUT MODE 2.Block diagram ANTI- 57 kHz OSCILATOR QUALITY BIT RECONSTRUCTION ALIASING BANDPASS GENERATOR FILTER FILTER (8th ORDER) DIVIDER COSTAS LOOP BIPHASE CLOCKED...
- Page 21 KS-FX473R/KS-FX470R 3 7 63 1515 0 TEA6320T-X (IC911) : E.volume 1.Pin layout 2.Block diagram VOLUME 2 MUTE 0 to 55 dB FUNCTION BALANCE OUTRR OUTLR ZERO CROSS FENDER REAR POWER DETECTOR OUTRF OUTLF SUPPLY VOLUME 1 BASS TREBLE +20 to -31 dB...
- Page 22 KS-FX473R/KS-FX470R 3 7 63 1515 0 HA13158A (IC941) : Power amp 1. Pin layout 2. Block diagram PVCC2 PVCC1 INVCC STBY INPUTBUFFER1 AMP1 INPUTBUFFER2 AMP2 INPUTBUFFER3 AMP3 L 13942296513 INPUTBUFFER4 AMP4 MUTE PROTECTOR (ASO SURGE, TSD) UPC1228HA(IC901):Head amp ANP1...
- Page 23 KS-FX473R/KS-FX470R 3 7 63 1515 0 LC75823W (IC651) : LCD driver 1. Pin Layout & Symbol 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 2.
- Page 24 KS-FX473R/KS-FX470R 3 7 63 1515 0 HD74HC126FP-X (IC751) : Buffer 1.Terminal layout 3.Pin function Input Output Note) H:High level L:Low level X:Irrelevant Z:Off(High-impedance) State a 3-state input 2.Block diagram Output Input L 13942296513 Output Sample as Load Circuit 1...
- Page 25 KS-FX473R/KS-FX470R 3 7 63 1515 0 < M E M O > L 13942296513 u163 1-25 http://www.xiaoyu163.com...
- Page 26 KS-FX473R/KS-FX470R 3 7 63 1515 0 L 13942296513 u163 VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200202 (No.49689) http://www.xiaoyu163.com...
- Page 27 KS-FX473R/KS-FX470R 3 7 6 3 1 5 1 5 0 Block diagram IC911 IC941 TU-L,TU-R FM/AM POWER AMP E.VOLUME OUTFL TUNER OUTFR OUTRL TAPE-L OUTRR TAPE-R AFCK FLOUT+ MONO FLOUT- FROUT+ SEEK/STOP IC761 FROUT- RLOUT+ FMOSC RLOUT- AMOSC DETECTOR...
- Page 28 KS-FX473R/KS-FX470R KS-FX473R/KS-FX470R 3 7 6 3 1 5 1 5 0 Standard schematic diagrams Main amp section IC941 HA13158A QAU0222-001 R141 QNZ0009-001 C761 0.022 R251 C251 1/50 C253 1/50 R142 R151 C151 C153 1/50 0.1/50 4.7U 1/50 R113 2SC2412K/R/-X 2.2k...
- Page 29 KS-FX473R/KS-FX470R 3 7 6 3 1 5 1 5 0 LCD & Key control section LCD1 VMC0335-001 QLD0145-001 CP701 R633 D623 R631 R634 1 3 9 4 2 2 9 6 5 1 3 R661 1.5k D603 D602 D601...
- Page 30 KS-FX473R/KS-FX470R KS-FX473R/KS-FX470R 3 7 6 3 1 5 1 5 0 Head amp & Mecha control section CJ901 QGA2002C1-05 IC901 UPC1228HA C203 C103 R204 R104 1 3 9 4 2 2 9 6 5 1 3 330k 330k 100p...
- Page 31 KS-FX473R/KS-FX470R Printed circuit boards 3 7 63 1515 0 C105 Main board FSMW1075B C104 C102 FSMW1075C C204 CJ902 IC901 C205 CP902 R901 C202 C203 R204 CP901 R201 B774 D961 Q131 R970 Q966 C965 C980 Q231 CN901 R959 Q960 B773...
- Page 32 KS-FX473R/KS-FX470R 3 7 63 1515 0 PARTS LIST [ KS-FX473R ] [ KS-FX470R ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix E ----------- Continental Europe L 13942296513 EX --------------- Central Europe...
- Page 33 KS-FX473R/KS-FX470R 3 7 63 1515 0 Exploded view of general assembly and parts list Block No. L 13942296513 u163 http://www.xiaoyu163.com...
- Page 34 DOOR SPRING FSKS3010-001 LOCK LEVER FSKW4005-003 TORSION SPRING FSXP3026-002 RLS KNOB FSKW3002-004 COMP.SPRING L 13942296513 FRONT PANEL FSJC1053-006 FINDER ASSY 1 KS-FX473R FSJD3022-00T FINDER ASSY 1 KS-FX470R FSJD3022-00S FSJK3014-001 LIGHT LENS FSXP2035-102 PRESET BUTTON 1 1-6,TP/RDS,PTY FSYH4036-031 SHEET 1 PRESET BTN FSXP2034-037 D.FUNC BUTTON...
- Page 35 Parts name Q'ty Area FSYH3022-002 LCD CASE FSKS3021-001 LENS CASE GE30512-002A NAME PLATE 1 KS-FX470R GE30513-002A NAME PLATE 1 KS-FX473R VMA4652-001SS EARTH PLATE IC BRACKET FSKL4018-00B REAR BRACKET FSKM3012-011 QYSDST2606Z SCREW 1 REAR BKT+ANT JACK QYSDSF3006Z SCREW 1 REAR BKT+PIN JACK...
- Page 36 KS-FX473R/KS-FX470R 3 7 63 1515 0 Cassette mechanism assembly and parts list Block No. CDS-363SJ1 L 13942296513 u163 http://www.xiaoyu163.com...
- Page 37 KS-FX473R/KS-FX470R 3 7 63 1515 0 Parts list (Cassette mechanism) Block No. MPMM Item Description Parts number Parts name Q'ty Area X-0363-1001S MAIN CHASSIS AS X-0363-1002S HEAD PLATE ASSY X-0363-1004S FR CONV ARM (A) X-0363-6001S REEL BASE ASSY X-0363-6007S...
- Page 38 X-0363-7006S MOTOR ASSY 1-0363-7001S MUTE SW 1-0363-7002S SLIDE SW 1-0363-7008S SLIDE SW PWB L 13942296513 1-0036-7016S HEAD POWER SW 1-0363-7005S 6P WIRE ASY(JVC 1-0036-7089S 1-0036-7088S 5P WIRE ASY(JVC 2-1816-0032-E8S MYLAR WASHER(S) 2-1812-0030-D2S POLY WASHER(S) 1-0036-5024S PSW(REEL) 2-1712-0050-16S E RING 2-1712-5060-16S...
- Page 39 KS-FX473R/KS-FX470R 3 7 63 1515 0 Grease point 1/2 Grease FL-942 SW-902 SW-522B FG-84M Reverse side L 13942296513 u163 http://www.xiaoyu163.com...
- Page 40 KS-FX473R/KS-FX470R 3 7 63 1515 0 Grease point 2/2 L 13942296513 u163 http://www.xiaoyu163.com...
- Page 41 KS-FX473R/KS-FX470R 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area QEKJ1HM-104Z E CAPACITOR .10MF 20% 50V C 709 QERF0JM-107Z E CAPACITOR 100MF 20% 6.3V...
- Page 42 KS-FX473R/KS-FX470R 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area D 977 MA152WK-X SI DIODE R 30 NRS181J-8R2X MG RESISTOR D 978...
- Page 43 KS-FX473R/KS-FX470R 3 7 63 1515 0 Electrical parts list (Main board) Block No. 01 Item Parts number Parts name Remarks Area R 726 NRS181J-472X MG RESISTOR R 727 NRSA02J-472X MG RESISTOR R 733 NRS181J-472X MG RESISTOR R 734 NRSA02J-472X...
- Page 44 KS-FX473R/KS-FX470R 3 7 63 1515 0 Electrical parts list (Front board) Block No. 02 Item Remarks Item Parts number Parts name Remarks Area Parts number Parts name Area C 651 NCB21EK-103X C CAPACITOR R 615 NRSA02J-182X MG RESISTOR C 652...
- Page 45 KS-FX473R/KS-FX470R 3 7 63 1515 0 Packing materials and accessories parts list Block No. Block No. A1~A5 L 13942296513 P5 KIT:A6~A10 P4 A1 E version only u163 3-14 http://www.xiaoyu163.com...
- Page 46 Block No. M3MM Item Description Parts number Parts name Q'ty Area GE30123-056A PACKING CASE 1 KS-FX470R GE30123-057A PACKING CASE 1 KS-FX473R LV10448-001A PACKING CUSHION 1 LEFT/RIGHT SIDE QPC03004315P POLY BAG FSPG4002-001 POLY BAG 2 INST.BOOK FSPG4002-001 POLY BAG 1 INST.BOOK...