Hitachi HCUR700E Скачать руководство пользователя страница 15

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HCU-R700

– 15 –

A D J U S T M E N T S

Adjusting and Checking the Electrical Section
Measuring instruments needed for the adjustments

(1) Oscilloscope
(2) DC voltmeter
(3) Adjustment screwdriver
(4) Test disc

• TDV-540 Title2 Tr No. 1

Adjustment of + 5V Voltage
Adjust R502 so that the voltage of PG101 Pin6 (+5V) should be within Limit of 5.0±0.05V.

Adjustment of VIDEO OUT Level (Load: 75

Ω).

(1) Adjust VR701

(3) Adjust VR703

Output Cord Connect to VIDEO OUT

Output Cord Connect to CR

(2) Adjust VR702

(4) Adjust VR704

Output Cord Connect to VIDEO OUT

Output Cord Connect to CB

*Using Disc TDV-540 Title 2 Tr No. 1

Fig. 1 Adjustment of VIDEO OUT Level (Load: 75

Ω

)

Video Output Terminal

Adjustment Vol

Specification

Video Out

VR701

1V ± 80mVp-p

Video Out

VR702

680 ± 40mVp-p

VR703

480 ± 20mVp-p

VR704

480 ± 20mVp-p

80mVp-p

VIDEO OUT

480

20mVp-p

COMPONENT OUT

680

40mVp-p

VIDEO OUT

480

20mVp-p

COMPONENT OUT

Содержание HCUR700E

Страница 1: ... MANUAL MANUEL D ENTRETIEN WARTUNGSHANDBUCH Data contained within this Service manual is subject to alteration for improvement Les données fournies dans le présent manuel d entretien peuvent faire l objet de modifications en vue de perfectionner le produit Die in diesem Wartungshandbuch enthaltenen Spezifikationen können sich zwecks Verbesserungen ändern OCTOBER 2000 MINI COMPONENT HI FI SYSTEM HC...

Страница 2: ...ng a repaired unit to the customer the service technician must thoroughly test the unit to ascertain that it is completely safe to operate without danger of electrical shock Check that exposed parts are acceptably insulated from the supply circuit before returning the repaired instrument to the customer Checking method Measure the resistance value between the both poles of attachment cup Power sup...

Страница 3: ...feet controls and terminals Weight 5 3 kg Timer Digital Quartz Clock Display Format 24 hour cycle E EBS W 12 hour cycle UC Timer accuracy Within 60 seconds at the monthly rate DVD CD VIDEO CD PLAYER SECTION HDV R100 Applicable discs DVD discs 12cm discs 1 layer and 2 layer 8cm discs 1 layer and 2 layer Compact discs CD DA Video CD 12cm discs 8cm discs Audio output jacks AUDIO OUT Fixed output leve...

Страница 4: ...R R O U N D R E C E I V E R H T A R 1 5 0 2 Removal of Front Panel 1 Remove 4 screws 5 from the bottom of the front panel 2 Remove 2 screws 3 and 2 catches from both side 3 Remove 2 screws 4 4 Remove Connector A 5 Remove 2 screws 6 of P W B bracket to remove Connector B to H B C D G H E F 5 4 3 3 4 Catch Catch Fig 2 Fig 4 Fig 3 6 A Fig 1 1 2 1 ...

Страница 5: ...HCU R700 5 Fig 6 Fig 5 4 Removal of Power Transformer 1 Remove the 4 screws 8 2 Remove Connector I to K 3 Removal for Rear Panel 1 Remove 20 screws 7 7 8 I J K ...

Страница 6: ...Removal of P W B Board 1 Remove 1 screw 9 and 1 screw 10 2 Remove 2 screw 11 3 Remove 5 screws 12 from the bottom of chassis 4 Remove 2 pieces of P W B holder a from the bottom chassis 12 a Fig 7 11 Fig 8 9 10 Fig 9 ...

Страница 7: ...nt P W B Board 1 Pull the Volume knob away and remove the nut 2 Pull out 2 Bass Treble knobs and remove the nuts 3 Remove the Function knob 4 Remove 9 screws 13 13 Fig 11 Nut Nut Volume knob Bass Treble knob Function knob Fig 10 ...

Страница 8: ... screws 2 from the rear panel D V D C D V I D E O C D P L A Y E R H D V R 1 0 0 2 Removal of Front Panel 1 Remove 4 screws 3 from the bottom of the front panel 2 Remove 2 screws 4 and 2 catches from both side 3 Remove Connector A and B Fig 2 3 Fig 3 4 4 Catch Catch A B 1 1 2 Fig 1 ...

Страница 9: ...ain P W B Board 1 Remove 4 screws 6 2 Remove Connector C and D 3 Removal of Rear Panel 1 Remove 6 screws 5 5 Removal of Power Supply Board 1 Remove 4 screws 7 2 Remove Connector E Fig 4 5 Fig 5 Main P W B Board C D 6 Fig 6 7 E ...

Страница 10: ...m Assy 1 Remove 4 screws 8 to release the mechanism cover 2 Remove 4 screws 9 7 Removal of Front P W B Board 1 Remove away the Front Metal 2 Pull out the Enter Button 3 Remove 9 screws 10 Fig 8 Fig 9 Fig 7 8 8 9 10 Enter Button Front Metal ...

Страница 11: ...e Iop as follows When repairing carry out failure diagnostics by following the procedure described below If the present value of the laser drive current is 50 up to initial value it is the point of the pickup replacement In case of the pickup replacement replace the Traverse Unit with no adjustment The initial value is indicated on the label on back side of Mecha If the present value exceeds 80mA ...

Страница 12: ...ending between the probe and test points When watching the HF waveform use the extending wire as short as possible When HF waveform is noisy or can not discriminate the eye pattern replace the Traverse Unit after measuring the Iop Test points 1 are shown below O U T T M T M 9TR TP 8TR TP 5FO TP FM TP FM TP 4FO TP FMO TP T M M 3FOO TP 7TRO TP 1RFI TP A3 TP DMO TP FG TP I N S W N 6TEI TP 2FEI TP VRE...

Страница 13: ...FO SEARCH TO OUTER CHAPTER INNER OUTER 6 TEI 13FMO 14 FM 15 FM POWER ON INNER SWITCH ON 16 INSWN 13FMO 14 FM 17 OUT LOADER OPEN CLOSE TMM 18 TM 19 TM 20 CD PLAY 1 HF RFI CD PLAY 6 TEI 7 TRO 8 TR 9 TR CD PLAY INNER 10DMO 11 FG 12 A3 50mV 50nS CH1 500mV CH2 100mV 1mS CH1 100mV CH2 5V 2mV CH3 1V CH4 1V CH3 10V CH1 500mV CH2 200mV CH1 500mV CH2 1V 100mS CH1 5V CH2 1V 10mS CH3 2V CH4 2V CH3 5V CH4 5V C...

Страница 14: ...t defective Check the signal of IC101 pin 39 MCLK is 94 5kHz NO IC101 Main P W B unit re solder or replace Main P W B unit defective Check the CLOCK of IIC BUS and DATA IC101 pin 160 AUXO 161 AUX1 when the Power on NO IC101 IC111 and IC701 Main P W B unit re solder or replace IC101 Main P W B unit re solder or replace OK Replace good DVD Mechanism playback the ordinary discs CD and DVD DVD Mechani...

Страница 15: ...ment of VIDEO OUT Level Load 75Ω 1 Adjust VR701 3 Adjust VR703 Output Cord Connect to VIDEO OUT Output Cord Connect to CR 2 Adjust VR702 4 Adjust VR704 Output Cord Connect to VIDEO OUT Output Cord Connect to CB Using Disc TDV 540 Title 2 Tr No 1 Fig 1 Adjustment of VIDEO OUT Level Load 75Ω Video Output Terminal Adjustment Vol Specification 1 Video Out VR701 1V 80mVp p 2 Video Out VR702 680 40mVp p...

Страница 16: ...HCU R700 16 M E M O ...

Страница 17: ... A D P L 9 B 9 N Q I H N F 9 B 9 N K D E L M N J L M H N E I A BC B D K D E L M N J L M H N E R S T U V W T X Y Z T U V T U X T U V W T T U V Z T U V X _ S T U V a b a Z c S T U V X d Z T U V R e d Z a e T U V a X T U V 1 0 2 W T T S f T U V Z c e W g h i T U V j k l m n o p n q p r s t u j k l m n o p n q m k vw r s t u S _ W X S X _ T U V n x j y z q r s t u 9 L 9 B 9 ...

Страница 18: ... CN602 FL PWB W101 W1A W1B SW PWB PG001 W4B W1B PG2 PG101 PG602 SUPPLY PWB W1 W4 E EBS W WUN ONLY PG601 PG3B CN101 MAIN PWB 1 10 1 2 39 40 1 7 1 2 1 4 1 10 1 3 1 7 1 3 CN2 CN601 CN602 CN101 AP1 AC CORD W102 DVD MECHA CN2 PG3A SERVO PWB 4 1 1 40 PG4 PG5 PG6 PG7 PG8 1 1 1 5 3 6 1 1 15 24 2 39 ...

Страница 19: ...HCU R700 21 PRINTED WIRING BOARD AV SURROUND RECEIVER HTA R150 ComponentSide Soldering Side FL PWB ...

Страница 20: ...HCU R700 22 ComponentSide DSP PWB DIGITAL PWB ...

Страница 21: ...HCU R700 23 Soldering Side DSP PWB DIGITAL PWB ...

Страница 22: ...HCU R700 24 ComponentSide Soldering Side E VOL PWB ...

Страница 23: ...HCU R700 25 ComponentSide Soldering Side VIDEO PWB ...

Страница 24: ...HCU R700 26 ComponentSide FUNCTION PWB TU PWB ...

Страница 25: ...HCU R700 27 Soldering Side FUNCTION PWB TU PWB ...

Страница 26: ...HCU R700 28 ComponentSide SUPPLY PWB SP EXT PWB ...

Страница 27: ...HCU R700 29 Soldering Side SUPPLY PWB SP EXT PWB ...

Страница 28: ...HCU R700 30 ComponentSide RECT PWB AC OUTLET E PWB AC OUTLET UC PWB ...

Страница 29: ...HCU R700 31 Soldering Side RECT PWB AC OUTLET E PWB AC OUTLET UC PWB ...

Страница 30: ...HCU R700 32 ComponentSide POWER PWB TRANS 1 PWB TRANS 2 PWB ...

Страница 31: ...HCU R700 33 Soldering Side POWER PWB TRANS 1 PWB TRANS 2 PWB ...

Страница 32: ...HCU R700 34 ComponentSide Soldering Side VOL SEL PWB VOL SEL PWB ...

Страница 33: ...HCU R700 35 PRINTED WIRING BOARD DVD CD VIDEO CD PLAYER HDV R100 ComponentSide MAIN PWB ...

Страница 34: ...HCU R700 36 Soldering Side MAIN PWB ...

Страница 35: ...HCU R700 37 SUPPLY PWB ComponentSide Soldering Side ...

Страница 36: ...HCU R700 35 ComponentSide FL PWB ...

Страница 37: ...HCU R700 36 Soldering Side FL PWB ...

Страница 38: ...HCU R700 37 ComponentSide ...

Страница 39: ...HCU R700 38 Soldering Side ...

Страница 40: ...HCU R700 42 ...

Страница 41: ...HCU R700 CIRCUIT DIAGRAM DSP Circuit 44 43 45 ...

Страница 42: ...HCU R700 CIRCUIT DIAGRAM PO FL Circuit 47 46 48 ...

Страница 43: ...HCU R700 CIRCUIT DIAGRAM TU MAIN Circuit 50 49 51 ...

Страница 44: ...HCU R700 CIRCUIT DIAGRAM PO FL Circuit FL DISP TONE BLOCK 53 52 54 ...

Страница 45: ...HCU R700 CIRCUIT DIAGRAM MAIN Circuit 56 55 57 ...

Страница 46: ... RFI DPDB TEB FEB EQB EQF DIGI PDCK PDRQN PSYCN PD 0 8 SMCK MD 0 7 MA 0 6 DECCSN RDN WRN DECINT MASTER SLAVE CSEL LO AUGND RO MA8 MA 0 6 MD 0 7 BRKN FG RESET DECINT DSPINT DSPCSN DECCSN TMM RSTN STBN INSWN CSEL SLAVE MASTER WRN RDN TM TM FG SCB SCL SCD VRCK DFCTN EQF EQB DPDB FEB TEB DMO RFRP RFSB TEI FEI RFI TEZI RFZI RFCT TMM STBN FM FM TM TM FO FO TR TR DIGI PDCK PDRQN PSYCN SMCK PD 0 8 MD 0 7 ...

Страница 47: ... DA0 35 DA2 36 CS0 37 CS1 38 DASP 39 GND 40 MASTER GND SLAVE GND CSEL GND AUDIO L GND GND AUDIO R D OUT D OUT R1 0R0 R4 OPEN R7 820 R16 330 R17 330 R18 330 R19 330 R20 330 R21 330 R22 330 R23 330 R32 220 R8 820 R9 820 R33 220 R10 820 R34 220 R11 820 R12 820 R13 820 R24 330 R25 330 R26 330 R27 330 R28 330 R29 330 R30 330 R31 330 R14 820 R15 820 PD BUS DD0 DD1 DD2 DD3 DD4 DD5 DD6 DD7 DD8 DD9 DD10 DD...

Страница 48: ... R121 OPEN EC7 OPEN EC8 OPEN BC22 104Z BC23 104Z BC24 104Z BC25 104Z BC26 104Z BC27 104Z BC28 104Z MD0 MD1 MD2 MD3 MD4 MD5 MD6 MD7 PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 PD8 BA0 BA1 BA2 BA3 BA4 BA5 BA6 BA7 BA8 BD0 BD1 BD2 BD3 BD4 BD5 BD6 BD7 BD8 BD9 BD10 BD11 BD12 BD13 BD14 BD15 BD0 BD1 BD2 BD3 BD4 BD5 BD6 BD7 BA0 BA1 BA2 BA3 BA4 BA5 BA6 BA7 BA8 R40 0R0 R41 0R0 R42 0R0 R43 0R0 R44 0R0 BOE RAS CAS BWL BWU...

Страница 49: ... ATAPI ATAPI DSP ATAPI DSP ATAPI STBN RSTN TMM DECCSN DSPCSN DSP ATAPI DSP DSP DSP FEP DSPINT DECINT RESET FG BRKN DSP DSP FEP FEP ATAPI ATAPI MD BUS MA BUS MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA8 MD0 MD1 MD2 MD3 MD4 MD5 MD6 MD7 DSP ATAPI DSP ATAPI VCC 1 RESET 2 BOOT 3 TXD2 4 RXD2 5 VSS 6 PG6 S6B PH SM3 TB R94 103 D 5V PLLD PLLB CD DVD LAYER TE2 TE1 BUSY R95 103 OUTA 1 INA 2 INA 3 VEE 4 VCC 8 OUTB 7 INB 6...

Страница 50: ...15 SCD 16 VRCK 17 NC 18 NC 19 DFTN 40 VccP 21 NC 22 NC 23 NC 24 NC 25 RFSW 26 VccS 27 NC 28 NC 29 NC 30 LVL 31 NC 32 TEO 33 FEO 34 NC 35 NC 36 NC 37 NC 38 NC 39 LDO1 60 RPZ 41 RPO 42 RPB 43 RPP 44 RFO 45 VccR 46 DPDB 47 TEB 48 FEB 49 PSC 50 VccO 51 Vcc2 52 NC 53 EQD 54 GND2 55 RFDC 56 EQB 57 EQF 58 MDI1 59 IC12 TA1293F Lbb 1 LaB 2 La 3 VM2 4 SB 5 RF1 6 GND2 7 CRF 8 NC 9 FGO 10 BRK 11 Hb 12 Hb 13 H...

Страница 51: ...HCU R700 CIRCUIT DIAGRAM FL SUPPLY Circuit 74 73 75 ...

Страница 52: ...HCU R700 77 76 78 ...

Страница 53: ... AUX 200mV 47k MD TAPE REC 5V Tone cct 10dB 4dB Tone cct 10dB LOUDNESS 22dB 22dB 0dB 0dB 22dB 22dB 22dB 20dB 20dB 14dB 0dB 0dB S W 0dB 4 5dB 0dB 10 5dB 6dB 4dB 0dB 0dB 6dB 6dB 6dB 6dB 6dB 6dB 0dB SR C S W FL FR HEADPHONE Rch HEADPHONE Lch JK401 JK40 IC401 IC402 IC103 BA15218F LC78211 LC72720NM IC453 TC74HC15AF IC203 IC451 IC452 TORX1788 JK751 IC751 BA7625 Q751 2SA1015 2SA1015 Q752 JK752 IC504 BA15...

Страница 54: ...IO INTERFACE DVD PROCESSOR ES4138F SPINDLE MOTOR DRIVER 4 CH MOTOR DRIVER SPINDLE MOTOR LOADING MOTOR TRAVERS E MOTOR FOCUS COIL TRACKING COIL LASER DIODE SYSTEM CONTROL TMP95FY64F I O MONITOR CONTROL DSP TRACK CROS S COUNTER GAIN CONTROL AMP A D SERIAL INTERFACE CPU AND INTERFACE DISC SERVO CONTROL TC9453F RF SIGNAL PROCESSOR TA1293F LASER CONTROL AMP VGA EQ AMP TIMING CONTROL SYNC AMP CPU INTERF...

Страница 55: ...101 111 131 146 240 239 229 239 145 144 A ECP01 PT002 B B UC E EBS 102 W WUN 137 FIL PWB POWER PWB DSP PWB TU E VOL PWB E VOL PWB SPEXT PWB RECT PWB DIGITAL PWB VIDEO PWB FUNCTION PWB SUPPLY PWB 221 222 225 232 198 228 197 198 197 161 168 179 224 223 171 174 174 173 173 223 166 164 B B A A 233 231 191 230 230 UC 192 E EBS 194 W WUN ...

Страница 56: ... 0 A B B A B 105 217 153 211 217 112 101 102 216 119 219 107 111 219 113 117 116 121 202 201 201 A B 125 125 208 203 215 134 139 131 124 124 136 204 213 213 204 204 211 210 142 143 144 AP1 138 136 UC E EBS WUN UC E EBS W WUN UC E EBS W WUN MAIN PWB SERVO PWB SUPPLY PWB FL PWB 207 ECP01 207 ...

Страница 57: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...

Страница 58: ... ITALY Tel 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI Europe AB Box 77 S 164 94 Kista SWEDEN Tel 46 0 8 562 711 00 Fax 46 0 8 562 711 13 Email csgswe hitachi eu com HITACHI EUROPE S A S Lyon Office B P 45 69671 BRON CEDEX FRANCE Tel 04 72 14 29 70 Fax 04 72 14 29 99 Email france consommateur hitachi eu com HITACHI EUROPE...

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