JVC CA-UXH10 Service Manual Download Page 7

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(No.MB066)1-7

3.1.2 Removing the Main board

(See Fig.6 , 7)

• Prior to performing the following procedure, remove the front

panel assembly.

(1) Disconnect the wire from all connectors on the main board.
(2) Remove the two screws

and release the joint

Fig.6

Fig.7

CN801

CN851

CN850

CN370

CN301

CN601

CN602

CN260

Main board

CD mechanism

assembly

Front panel

assembly

Main board

CD mechanism

assembly

Front panel assembly

Joint b

Summary of Contents for CA-UXH10

Page 1: ...NS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 12 5 TROUBLESHOOTING 1 16 TIMER SET RANDOM SLEEP INTRO STANDBY ON TIMER ON OFF REMAIN BEAT CUT DISPLAY CLOCK SET MUTING RM SUXH10U REMOTE CONTROL SOUND BASS CD TAPE CD VOLUME TUNER BAND REPEAT ST MONO PROGRAM STANDBY ON STANDBY OPEN VOLUME MICRO COMPONENT SYSTEM UX H10 CD SYNCHRO RECORDING Area Suffix US Singapore UT Taiwan UW Brazil Mexico Peru ...

Page 2: ... ratio 60 dB Wow and flutter Immeasurable Cassette deck Frequency response Normal type I 100 Hz 10 000 Hz Wow and flutter 0 35 WRMS General Power requirement AC 110 V 127 V 220 V 240 V adjustable with the voltage selector 50 Hz 60 Hz Power consumption 22 W at operation 4 5 W on standby Dimensions W H D approx 145 mm 209 mm 226 mm Mass approx 2 6 kg Speaker Section SP UXH10 Type Full range bass ref...

Page 3: ...ack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particular ly any exposed metal part having a return path to the chassis to a known good...

Page 4: ...condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 6 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to ...

Page 5: ... No MB066 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 6: ...e the two screws D on the bottom of the body 4 Move the front panel assembly in the direction of the arrow and detach Disconnect the wire from connector CN860 and FM ANT Caution When reassembling set the tab a on the right and left side to the groove and move Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 A B CD mechanism assembly C Front panel assembly D Front panel assembly Joint a Joint a Front panel assembly C...

Page 7: ...e front panel assembly 1 Disconnect the wire from all connectors on the main board 2 Remove the two screws E and release the joint b Fig 6 Fig 7 CN801 CN851 CN850 CN370 CN301 CN601 CN602 CN260 Main board CD mechanism assembly Front panel assembly E Main board CD mechanism assembly Front panel assembly Joint b ...

Page 8: ...r on the CD open switch and CN705 on the CD mechanism board 3 Remove the two screws F on the front panel assembly 4 Release the joint d of the CD mechanism assembly 5 Remove the five screws G attaching the switch board to the CD mechanism assembly Fig 8 Fig 9 Fig 10 Band F F Band CN705 Open switch connecter CD mechanism assembly Front panel assembly Joint d CD mechanism assembly Front panel assemb...

Page 9: ...assembly 3 Cut off the band setting each wire and disconnect the card wire from connector on the CD mechanism 4 Remove the screw J attaching the wire on the CD mechanism board Caution The metal washer and nut come off 5 Remove the four screws K attaching the CD mechanism Fig 11 Fig 12 Fig 13 H H Switch board CD mechanism board CD mechanism assembly Front panel Connecter Band J Band Connecter CD me...

Page 10: ...mbly the main board and the CD mechanism assembly 1 Remove the ten screws M and the two screws N on the Front panel assembly Fig 15 3 1 7 Removing the Cassette mechanism See Fig 16 Prior to performing the following procedure remove the front panel assembly and the main board 1 Remove the four screws P on the front panel assembly and press the eject button on the front side to remove the cassette m...

Page 11: ...r board 1 Remove the two screws R attaching the voltage selector on the bottom of the rear cover assembly 2 Remove the four screws S on the rear cover assembly 3 Remove the two screws T setting the power cord on the rear cover assembly 4 Cut off the band connecting the power cord to the transformer if necessary remove the transformer 3 1 10 Removing the FM antenna board See Fig 19 Prior to perform...

Page 12: ... 7 Electric voltmeter 8 Distotion meter 9 Torque guage cassette for CTG N 10 Wow flutter meter 11 Frequency counter meter 4 1 1 Amplifier section Reference output Speaker output 0 dB 1V 4 Ω H Phone output 10 dB 0 1V 32Ω 4 1 2 CD section Test disc JVC standard disc 4 1 3 Test tape JVC standard test tape 4 1 4 Measuring instruments Radio section FM 1 kHz 22 5 kHz deviation FM STEREO 1kHz 67 5 kHz de...

Page 13: ... Play back the test tape 8 kHz 2 Adjust the head azimuth adjusting screw so that the phase difference between the R and L channels is minimized at an output level that is within 2 dB of the maximum output level After thie adjustment lock the head azimuth adjusting screw with screw sealant to cover more than a half of the screw head 3 When the head azimuth is maladjusted correct it with the head az...

Page 14: ...for maximum and center output 1 Set the TUNER at 531 kHz adjust T202 until the test pin of R229 Voltage at 1 5V 0 1V 2 Set the TUNER at 1710 kHz Check the pin of R229 Voltage at 8 4V 6V 3 Set theTUNER and S G at 603 kHz adjust T204 for maximum output 4 Set the TUNER and S G at 1404 kHz adjust VC201 for maximum output 5 Repeat the above steps 3 and 4 1 Set the Tuner at 87 5MHz adjust L203 until the...

Page 15: ...of adjusting parts Cassette mechanism section Figure 3 1 Head Output Signal Main board assembly CASSETTE MOTOR Tape Speed Adj Figure 3 2 FM VT VC202 L204 FM RF R230 FM RF AM VT AM RF AM OSC AM lF AM RF FM ANT L203 T204 T202 T201 T202 R229 FM OSC ...

Page 16: ...ace if necessary Poor contact in antenna circuit Check resistance and resolder FM antenna not connected Connect the built in or external antenna Defective band selector switch Replace or repair the switch Defective U201 Check voltages Replace if necessary Defective U260 Check voltages Replace if necessary Intermediate frquencytuning faulty Readjust see Adjustment Poor contact in FM antenna circuit...

Page 17: ... No MB066 1 17 ...

Page 18: ... No MB066 AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan ...

Page 19: ...matic diagrams 2 2 Printed circuit boards 2 9 to 12 TIMER SET RANDOM SLEEP INTRO STANDBY ON TIMER ON OFF REMAIN BEAT CUT DISPLAY CLOCK SET MUTING RM SUXH10U REMOTE CONTROL SOUND BASS CD TAPE CD VOLUME TUNER BAND REPEAT ST MONO PROGRAM STANDBY ON STANDBY OPEN VOLUME MICRO COMPONENT SYSTEM UX H10 CD SYNCHRO RECORDING Area Suffix US Singapore UT Taiwan UW Brazil Mexico Peru ...

Page 20: ...e silk screen printed side parts side of the PWB diagrams the parts that are printed over with black such as the resistor diode and ICP or identified by the mark nearby are critical for safety This regulation does not correspond to J and C version ...

Page 21: ...2 1 Block diagram ...

Page 22: ...2 2 Parts are safety assurance parts When replacing those parts make sure to use the specified one Standard schematic diagrams Power supply section ...

Page 23: ...2 3 Parts are safety assurance parts When replacing those parts make sure to use the specified one Amp section ...

Page 24: ...2 4 Display section ...

Page 25: ...2 5 Remote section ...

Page 26: ...2 6 Parts are safety assurance parts When replacing those parts make sure to use the specified one CD section ...

Page 27: ...2 7 Parts are safety assurance parts When replacing those parts make sure to use the specified one Cassette section ...

Page 28: ...2 8 Tuner section ...

Page 29: ...2 9 Printed circuit boards Main board ...

Page 30: ...2 10 CD board ...

Page 31: ...2 11 Power board forward side Display board forward side Display board reverse side Power board reverse side ...

Page 32: ...2 12 FM antenna board Remocon board forward side Key board forward side Key board reverse side Remocon board reverse side Headphone board LED board ...

Page 33: ... M E M O ...

Page 34: ...VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY AUDIO VIDEO SYSTEMS CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan No MB066SCH Printed in Japan WPC ...

Page 35: ...vailable as service parts Contents Exploded view of general assembly and parts list Block No M1 Electrical parts list Block No 01 05 Packing materials and accessories parts list Block No M3 UX H10 3 2 3 5 3 12 Area suffix US Singapore UT Taiwan UW Brazil Mexico Peru MB066 ...

Page 36: ...E F n e m d c r p q c h k a a g r DISPLAY BOARD 49 50 51 52 54 47 48 17 72 22 71 72 21 22 72 20 15 7 8 68 12 11 68 69 3 4 5 6 60 62 63 64 2 1 68 58 65 56 53 68 40 46 45 44 43 42 41 67 69 69 70 59 38 37 69 39 73 68 55 55 55 55 69 CN704 PHONE BOARD KEY BOARD CD BOARD LED BOARD ...

Page 37: ...D D E F F902 F901 DISPLAY BOARD 28 69 70 76 32 69 77 74 24 21 80 72 82 72 22 71 72 21 22 72 14 71 13 18 17 70 70 20 16 15 7 68 11 9 68 68 40 31 69 70 26 27 9 69 70 74 70 73 35 19 30 29 74 75 34 78 75 68 79 81 69 33 CN704 76 D CD BOARD MAIN BOARD FM ANT BOARD POWER BOARD ...

Page 38: ...010 00 CASS KNOB Door Plate 39 OW48 00010 02 MAIN PCB BKT1 40 OW39 04200 04 CASS KNOB BKT 41 OW53 00010 06 CASS KNOB Pause 42 OW53 00010 08 CASS KNOB Stop Eject 43 OW53 00010 04 CASS KNOB F FWD 44 OW53 00010 05 CASS KNOB REW 45 OW53 00010 03 CASS KNOB Play 46 OW53 00010 07 CASS KNOB REC 47 OW66 00010 02 CASS KNOB Door 48 OW36 00010 01 CASS DOOR SPRIN Spring 49 OW43 00010 01 CASS DOOR LENS Lens 50 ...

Page 39: ... CAPACITOR 0 002MF C217 OW05 03223 06T C CAPACITOR 0 022MF C219 OW06 50104 03 E CAPACITOR 0 1MF 50V C220 OW06 50105 02 E CAPACITOR 1MF 50V PITCH 5 C221 OW06 50104 03 E CAPACITOR 0 1MF 50V C222 OW06 50475 02 E CAPACITOR 4 7MF 50V PITCH C223 OW05 03331 03T CHIP CAPACITOR 330PF C224 OW05 07223 82A C CAPACITOR 0 022MF C225 OW05 03103 06T C CAPACITOR 0 01MF B500 K10 C226 OW05 03200 03T C CAPACITOR 20PF...

Page 40: ...ITOR 100MF 16V Symbol No Part No Part Name Description Local C832 OW05 03104 06T C CAPACITOR 0 1MF C833 OW05 03104 06T C CAPACITOR 0 1MF C851 OW05 00104 82 C CAPACITOR 0 1MF 80 20 C852 OW06 25108 00 E CAPACITOR 1000MF 25V C853 OW05 03104 06T C CAPACITOR 0 1MF C860 OW06 25106 02 E CAPACITOR 10MF 25V PITCH C861 OW06 25106 02 E CAPACITOR 10MF 25V PITCH C862 OW06 16107 02 E CAPACITOR 100MF 16V C863 OW...

Page 41: ...60K C RESISTOR 4 7K RMC 1 16 R620 OW07 25472 60K C RESISTOR 4 7K RMC 1 16 R801 OW07 25123 60K C RESISTOR 12K RMC 1 16 12 R802 OW07 25123 60K C RESISTOR 12K RMC 1 16 12 R803 OW07 15472 50T C RESISTOR 4 7K 1 8W 52MM R804 OW07 25473 60K C RESISTOR 47K RMC 1 16 47 Symbol No Part No Part Name Description Local R805 OW07 25392 60K C RESISTOR 3 9K RMC 1 16 R806 OW07 25392 60K C RESISTOR 3 9K RMC 1 16 R80...

Page 42: ...01 PVC TUBE FOR ORG BLK XXXXX OW28 04140 01 PVC TUBE FOR GRE FOR BAK Symbol No Part No Part Name Description Local XXXXX OW28 16020 01 TUBE FOR VOLTAGE SW XXXXX OW28 00024 00 TUBE FOR VOLTAGE SW XXXXX OW31 00210 80 UL1672 FOR DUAL POWER XXXXX OW31 20050 51 UL1007 FOR DUAL POWER XXXXX OW78 00004 05 SOLDERLESS FOR AC POWER WI XXXXX OW39 10001 00A FUSE HOLDER FOR F901 902 XXXXX OW28 00015 01 SHRINKAG...

Page 43: ...65 CN704 OW20 80160 00I SOCKET 16PIN FFC CN705 OW20 11100 00 10PIN HEADER P 2 B10B PH JST P3 OW31 50040 50 UL 1007 WIRE 40MM BLACK X701 OW09 51693 02Z CER RES 2TT16 93MX Symbol No Part No Part Name Description Local XXXXX OW20 42021 48 2PIN CN701 TO CN851 XXXXX OW20 41032 21K 3PIN CN702 TO CN602 XXXXX OW20 41061 37 6PIN CN703 TO CD MOT XXXXX OW25 61135 00 FFC 16PIN CN704 TO CD PIC XXXXX OW08 04344...

Page 44: ...C 1 16 000J J126 OW07 25001 60K C RESISTOR 0 RMC 1 16 000J J127 OW07 25001 60K C RESISTOR 0 RMC 1 16 000J J128 OW07 25561 60K C RESISTOR 560 1 16 561JTP J129 OW07 25001 60K C RESISTOR 0 RMC 1 16 000J J130 OW07 25001 60K C RESISTOR 0 RMC 1 16 000J SW101 OW16 10101 08S TACT SWITCH EVQJAE05R H 5MM SW102 OW16 10101 08S TACT SWITCH EVQJAE05R H 5MM SW103 OW16 10101 08S TACT SWITCH EVQJAE05R H 5MM SW104 ...

Page 45: ...3 11 MEMO ...

Page 46: ...3 12 Packing materials and accessories parts list Block No M M M 3 A1 P2 A2 A7 P6 P5 A4 A3 A5 A6 A10 P7 P4 P3 P1 P4 A8 A9 ...

Page 47: ... JVC REMOTE CONTROL A 5 OW81 01000 01 TRBLE CUSHION F116 X F17 X 2mm A 6 OW89 09023 36 PROTECT CD BOARD A 7 BATTERY x2 A 8 OW97 02755 00 AC PLUG ADAPTOR A 9 OW87 00010 06 RATING LABEL US UW A 9 OW87 00010 20 RATING LABEL UT A 10 OW81 03222 00 SHEET PROTECT 145 X 40mm P 1 OW89 00010 01 CARTON P 2 OW85 90710 04 POLY BAG P 3 OW85 91014 02 POLY BAG P 4 OW85 00025 01A POLY BAG x2 P 5 OW85 91619 02 POLY...

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