Instruction d'utilisation JVC KS-FX922R

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KS-FX922R
SERVICE MANUAL
CASSETTE RECEIVER
KS-FX922R
Area Suffix
E ... Continental Europe
KS-FX922R
DISP DISP
DAB
TP TP
RDS RDS
PTY PTY
7 8 9 10 11 12 MO
Contents
Safety precaution ------------------------------------- 1-2
Location of main parts ------------------------------- 1-3
Disassembly method -------------------------------- 1-4
Adjustment method ---------------------------------- 1-11
Description of major ICs ---------------------------- 1-15
No.49596
COPYRIGHT 2001 VICTOR COMPANY OF J

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KS-FX922R Adjustment method Tuner section Test Instruments reqired for adjustment BAND STEP 1.Digital osclloscope(100MHz) FM : 100kHz (Seek), 50kHz (Manual) 2.Frequency Counter meter AM : 9kHz step 3.Electric voltmeter 4.Wow & flutter meter 5.Test Tapes Preset Memory Initialization VT724 for DOLBY level measurement Preset Memory Band M2 VT739 M3 M4 M5 M6 M1 For playback frequency measurement 89.9 VT712 87.5 97.9 87.5 105.9108.0 For wow flutter & tape speed measurement FM(MHz) VT703 AM(kHz) For

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KS-FX922R Arrangment of adjusting Head amplifier board section (Reverse side) VR402:Rch VR401:Rch (Dolby NR level adj) (Dolby NR Frequency response adj) B402 R411 C409 VR401 VR402 C412 C411 C410 B416 R413 TPP E C404 C418 C413 Q401 R424 1 C405 CP402 1 R421 R408 2 R422 31 IC402 1 11 B409 C419 R425 B401 C414 C407 21 IC401 C408 D402 1 R414 R407 R406 R403 CP403 C402 1 FSMW1101A 1 17 B405 B413 Information for using a car audio service jig 1. We're advancing efforts to make our extension cords common f

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KS-FX922R Extension cord The mechanism should be directly connected to the board using the extension wire. EXT-KSRT002-18P Cassette mechanism Extension cord EXTKSRT002-18P Main board Main board Front panel assembly to Cassette mechanism to Main board EXTKSRT002-18P 1-13

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KS-FX922R Item Conditions Adjustment and Confirmation methods S.Values Adjust 1. Head Head height adjustment Test tape: azimuth Adjust the azimuth directly. When you SCC-1659 adjustment adjust the height using a mirror tape, VT703(10kHz) remove the cassette housing from the mechanism chassis. After installing the cassette housing, perform the azimuth adjustment. A line 1. Load the SCC-1659 mirror tape. Adjust with height adjustment screw A and azimuth Head shield adjustment screw B s

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KS-FX922R Block Diagram SUB MOTOR SWITCH MAIN 5 TAPE END.STANDBY MOTOR HEAD CN402 CN403 LCH TO SPEAKER MOTOR METAL TO CD CHANGER CONNECTOR TO REAR LINE OUT TAPE IN RCH 4 MODE J801 CP901 J321 STANDBY TAPE END IC401 REEL L/R F PB EQ FRONT L/R L/R R CXA2560Q DOLBY REAR L/R IC301 F/R SCK MS POWER AMP. SI/SO LCH LA4743K RCH IC402 IC801 FF/REW DC MOTOR DRIVER CHANGER CONTROL 3 OUT LR LB1641 HD74HC126FP-X SUBMO+ OUT RR SUBMO- OUT LF OUT RF MECHANISM CONTROL CD RCH JBUS SI IC161 CD LCH F/R JBUS SO MOD

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KS-FX922R Standard schematic diagrams Receiver & System control circuit section 5 4 3 2 FM Radio Signal/Radio Main Signal 1 AM Radio Signal Tape PB/Main Signal AB C D E F G 2-3

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KS-FX922R KS-FX922R Mecha control circuit section 5 4 3 2 Tape PB/Main Signal 1 AB C D E F G 2-4

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KS-FX922R LCD driver & Operation switch circuit section 5 4 3 2 1 AB C D E F G 2-5

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KS-FX922R SERVICE MANUAL CASSETTE RECEIVER KS-FX922R DISP DAB TP RDS PTY 7 8 9 10 11 12 MO Area Suffix EX Centeal Europe This model is KS-FX922RE EX that is added to the preceding model, theKS-FX922R E . Therefore the service manual for this model is consisting of Parts list only. For others, please refer to the service manual of KS-FX922R E (issue No.49596). No.49631 COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD. Mar. 2001

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KS-FX922R Parts list(Accessories) P3-17 Block No.M4MM Parts number Q'ty A Iten Parts name EX E A 2 INST.BOOK GET0017-002A 1 ---------------------------- (LANGUAGE) (SPA,ITA,SWE,FIN) VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan 200103 (No.49631)