JVC KS-F350R Service Manual
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JVC KS-F350R Service Manual

JVC KS-F350R Service Manual

Cassette receiver
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See also: Service Manual , Instruction Manual
SERVICE MANUAL
CASSETTE RECEIVER
KS-F350R / KS-F353R
KS-FX450R / KS-FX453R
Contents
Safety precaution1-2
Instructions1-3~14
Location of main parts2-1
Disassembly method2-2
Adjustment method
ATT
BAND
PROG
DISC
FUNC
DISC
PRESET
/I ATT
40Wx4
DISP
SEL
MO/FIND
SSM
LCD
Model
Color
KS-F350R
Ivory
KS-F353R
Amber
KS-FX450R
Ivory
KS-FX453R
Amber
2-7
This service manual is made from 100% redycled paper.
COPYRIGHT
1999 VICTOR COMPANY OF JAPAN, LTD.
KS-FX450R / KS-FX453R
E ---- Continental Europe
CD CHANGER CONTROL
FM
PROG
KS-FX450R
AM
CD-
CH
7
8
9
10
11
12
TP
SOUND
PTY
RDS
CD changer
controller
Description of major ICs2-11
Block diagram2-19
Standard schematic diagrams2-20
Printed circuit boards2-23~24
Parts list3-1~15
KS-F350R / KS-F353R
Area Suffix
No.49526
Dec. 1999

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Summary of Contents for JVC KS-F350R

  • Page 1 KS-F350R / KS-F353R KS-FX450R / KS-FX453R SERVICE MANUAL CASSETTE RECEIVER KS-F350R / KS-F353R KS-FX450R / KS-FX453R Area Suffix E ---- Continental Europe BAND PROG DISC FUNC DISC PRESET /I ATT 40Wx4 CD CHANGER CONTROL PROG KS-FX450R DISP MO/FIND SOUND CD changer...

  • Page 2: Safety Precaution1

    Safety precaution ! CAUTION 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.

  • Page 3: Location Of Main Parts2

    Location of main parts Control unit LED & key control board Display Main unit Main board assembly ISO connector Main board assembly CD changer input jack Pin jack (Only for KS-FX450R/KS-FX453R) Cassette mechanism Motor control board Motor control board Fly wheel Capstan motor unit Capstan Head amp board...
  • Page 4 Removal of main parts Removing the front chassis (See Fig.1) 1. Insert a screwdriver to the joints a on the side of the front chassis and two joints b on the right side, then detach the front chassis toward the front side. Front chassis Fig.1 Removing the heat sink (See...
  • Page 5 Main amplifier board Removing the main amplifier board assembly (See Fig.4 and 5) Remove the front chassis. Remove the bottom cover. CN901 CN902 Remove the rear pan. Remove the two screws B attaching the main amplifier board assembly on the top cover. Disconnect connector CN901 and CN902 on the main amplifier board assembly from the cassette mechanism Fig.4...
  • Page 6 (Cassette Mechanism Sections) Cassette hanger Reel base assembly Head amplifier board Center plate Motor assembly Sub-belt Direction switch board Relay board FF Lever Main belt Flywheel Flywheel Cassette holder assembly(F) Chassis assembly(B) REW Lever Fig. 2 Fig. 1 Removing the Main Parts of Cassette Mechanism 1.
  • Page 7 Note : The reel disk and capstan can now be replaced. C Washer 1-1 Remove the C washer at the top of the reel disk to Reel disk remove the reel disk. caution : Replace with a new C washer after repairing. Capstan 1-2 To replace the capstan, remove the E washer in the E Washer...
  • Page 8 Pinch-roller (R) Pinch-roller (F) E Washer E Washer assembly assembly S. support plate A.arm A.arm spring(B) spring(A) Pinch-roller shaft Pinch-roller shaft P. arm spring(F) P. arm spring(R) Remove the P. arm spring (F) Fig. 7 from the chassis. Removing the Pinch-Roller assembly ( See Fig. 7) Motor pulley 1.

  • Page 9: Adjustment Method

    Adjustment method Test Instruments reqired for adjustment Standard volume position 1. Digital osclloscope(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.
  • Page 10 Arrangement of adjusting & test points Cassette mechanism (Surface) Motor assembly Tape speed adjust Playback head Azimuth screw Head section view Fixed screw Head azimuth screw Playback head Height adjusting screw a Height adjusting screw c Height adjusting screw b...

  • Page 11: Disassembly Method2

    Information f or 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. 2. As a U-shape type top cover is employed, this type of extension cord is needed to check operation of the mechanism assembly after disassembly.
  • Page 12 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. After installing the cassette housing, perform the azimuth adjustment.

  • Page 13: Description Of Major Ics2

    Description of major ICs AN80T05LF (IC961) : Regulator 1. Block diagram Reference Voltage ASO & Peak Current Protection Thermal Protection Drive Drive Drive Drive Drive MODE2 MODE1 STB 5.6V 8.7V 8.7V 8.7V 2.Pin Function Function Pin name Illumination output 10V power supply with a maximum output current of 300mA for a illumination. MODE2 SW AM and ANT output are turned ON when this pin is 5V.
  • Page 14 HA13158A (IC941) : Power amp 1. Pin layout 2. Block diagram PVCC2 PVCC1 INVCC STBY INPUTBUFFER1 AMP1 INPUTBUFFER2 AMP2 INPUTBUFFER3 AMP3 INPUTBUFFER4 AMP4 MUTE PROTECTOR (ASO SURGE, TSD)
  • Page 15 HD74HC126FP-X (IC751) : Buffer 1. Pin layout 2. Function Inputs Outputs 3. Block diagram Output Input Output Sample as Load Circuit 1 Output Sample as Load Circuit 1 Output Sample as Load Circuit 1...
  • Page 16 UPC1228HA(IC901):Head amp AMP1 NFB1 OUT1 OUT2 NFB2 AMP2 UPC1228HA...
  • Page 17 SAA6579T-X (IC761) : RDS Detector 1. Pin layout 2. Pin function Symbol Function QUAL Quality indication output RDDA RDS data output Vref Reference voltage output (0.5VDDA) Multiplex signal input VDDA +5V supply voltage for anarog part VSSA Ground for analog part (0V) Subcarrier input to comparator SCOUT Subcarrier output of reconstruction filter...
  • Page 18 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 VOLUME 2 LEFT LEFT LOUDNESS 0 to 55 dB +15 dB...
  • Page 19 UPD178016AGC513(IC701):System Controller Micon 1.Terminal Layout 20 ~ 1 41 ~ 60 2.Description Symbol I/O Function Function Symbol I/O KEY0 Key input 0 Non connection KEY1 Key input 1 Non connection KEY2 Key input 2 Non connection TELMUTE LEVEL Non connect Cassette in detect input H:OUT L:IN TAPEIN Signal meter input...
  • Page 20 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 21: Block Diagram

    Block diagram REAR LEFT ( ) FRONT LCH REAR LEFT ( + ) FM / AM ANT. TUNER FRONT LEFT ( FRONT RCH IC941 IC911 FRONT LEFT ( + ) FRONT RIGHT ( E. VOLUME REAR LCH POWER AMP FRONT RIGHT ( + ) REAR RCH REAR RIGHT ( REAR RIGHT ( + )

  • Page 22: Standard Schematic Diagrams2

    Standard schematic diagrams Main board section TUNER MAIN SIGNAL CD-CH SIGNAL TAPE SIGNAL FRONT SIGNAL REAR SIGNAL...
  • Page 23 Head amp & mecha control section TAPE Lch SIGNAL...
  • Page 24 LCD & key control section...

  • Page 25: Printed Circuit Boards2

    Printed circuit boards Main board Motor control board Head amp board...
  • Page 26 LCD & key control board...

  • Page 27: Parts List

    PARTS LIST [KS-F350R/F353R] [KS-FX450R/FX453R] * All printed circuit boards and its assemblies are not available as service parts. Areas suffix E ----------- Continental Europe - Contents - Exploded view of general assembly and parts list 3- 2 Cassette mechanism assembly and parts list...
  • Page 28 Exploded view of general assembly and parts list Block No. Main board LCD / Switch board...
  • Page 29 A r e a P a r t s n a m e ZCKSFX450J-NPA NOSE PIECE 1 KS-FX450R ZCKSFX453R-NPA NOSE PIECE 1 KS-FX453R FSJC3013-00C FRONT PANEL 1 KS-F350R FSJC3013-00D FRONT PANEL 1 KS-F353R FSJC1053-003 FRONT PANEL 1 KS-FX453R/FX450 FSJD3022-00B FINDER LENS 1 KS-FX453R...
  • Page 30 4 F.PANEL+REAR CO FSYN3100-D005 NAME PLATE 1 KS-F353R FSYN3101-D005 NAME PLATE 1 KS-FX450R FSYN3102-D005 NAME PLATE 1 KS-FX453R FSYN3099-D005 NAME PLATE 1 KS-F350R VMA4652-001SS EARTH PLATE FSKL4018-00B P.W.B.BRACKET QMFZ021-100-J1 FUSE FSKM3012-011 REAR BRACKET 1 KS-FX453R/FX450 FSKM3012-012 REAR BRACKET 1 KS-F353R/350R...
  • Page 31 Cassette mechanism assembly and parts list Block No. VDL3650-201M Grease SW-522B SW-902 FG-84M CFD-409 EP-56 SW-522B SW-522B SW-522B CFD-409 FG-84M SW-522B FG-84M SW-902 SW-522B FG-84M SW-522B EP-56 SW-522B EP-56 SW-522B CFD-409 SW-902 SW-902 SW-522B CFD-409 SW-902 SW-902 CFD-409 SW-522B SW-902 EP-56 SW-522B...
  • Page 32 SPG SUPPORT PLT 1-0036-1016S CONVERSION LEVE 1-0138-1006S ADJUSTER SHIN(X 1-0036-1018S CENTER PLATE 1-0036-1013S LOCK ARM 1-0036-1023S CHANGE LEVER(B) 1-0036-1026S FR ARM(B) 1-0036-1065S FF LEVER(JVC) 1-0036-1066S REW LEVER(JVC) 1-0036-2001S IDLE GEAR 1-0036-2004-0S REDUCT.GEAR(A) 1-0036-2003S REDUCT.GEAR(B) 1-0036-2005-0S PULLEY GEAR 1-0038-2018S TAPE GUIDE 1-0036-2007S...
  • Page 33 HEAD 1 P-7542-CF-0358 1-0058-7013S POWER SW 1 MQS-4S 1-0036-7007S SLIDE SW 1-0138-7002S MUTE PWB 1-0138-7087S MUTE SW 1-0036-7088S 5P WIRE ASY(JVC 1-0036-7089S 6P WIRE ASY(JVC 2-1711-5040-16S E RING 3 1.5 2-1711-6032-96S E RING 2 1.6X3.2 2-1712-0050-16S E RING 2-1712-5060-16S E RING 3 2.5...
  • Page 34 (Cassette mechanism) Parts list Block No. M2MM I t e m P a r t s n u m b e r Q ' t y D e s c r i p t i o n A r e a P a r t s n a m e 2-1332-0040-C1S SCREW S...
  • Page 35 (Main board) Electrical parts list Block No. 01 Remarks Item Parts number Parts name Remarks Area Item Parts number Parts name Area QERF1HM-104Z E CAPACITOR .10MF 20% 50V C 751 NCB21EK-104X C CAPACITOR KS-FX453R/FX450 NCB21EK-563X C CAPACITOR C 761 NCB21EK-223X C CAPACITOR NCB21EK-123X C CAPACITOR...
  • Page 36 (Main board) Electrical parts list Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area IC901 UPC1228HA R 143 NRSA02J-393X MG RESISTOR IC911 TEA6320T-X R 144 NRSA02J-393X MG RESISTOR IC941 HA13158A R 151 NRSA02J-103X MG RESISTOR IC961...
  • Page 37 (Main board) Electrical parts list Block No. 01 Item Parts number Parts name Remarks Area R 756 NRSA02J-104X MG RESISTOR KS-FX453R/FX450 R 757 NRSA02J-104X MG RESISTOR R 758 NRSA02J-101X MG RESISTOR KS-FX453R/FX450 R 759 NRSA02J-334X MG RESISTOR R 761 NRSA02J-222X MG RESISTOR R 762 NRSA02J-222X...
  • Page 38 (LCD / Switch board ) Electrical parts list Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 651 NCB21EK-103X C CAPACITOR R 622 NRSA02J-332X MG RESISTOR C 652 NBE20JM-475X TS E CAPACITOR R 623 NRSA02J-332X MG RESISTOR...
  • Page 39 Packing materials and accessories parts list Block No. Block No. A2, A3...
  • Page 40 Q ' t y D e s c r i p t i o n A r e a P a r t s n a m e FSPE3004-046 PACKING CASE 1 KS-F350R FSPE3004-047 PACKING CASE 1 KS-F353R FSPE3004-048 PACKING CASE...
  • Page 41 Accessories parts list Block No. M4MM I t e m P a r t s n u m b e r Q ' t y D e s c r i p t i o n A r e a P a r t s n a m e FSUN3101-311 INST.BOOK...
  • Page 42 KS-F350R/KS-F353R KS-FX450R/KS-FX453R VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION,10-1,1Chome,Ohwatari-machi,maebashi-city,Japan Printed in Japan (No.49526) 9912 (V)

This manual is also suitable for:

Ks-fx450rKs-f353rKs-fx453r

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