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JVC XV-D721BK Service Manual
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JVC XV-D721BK Service Manual

Dvd audio/video player
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SERVICE MANUAL
DVD AUDIO/VIDEO PLAYER
Contents
Safety Precautions
Preventing static electricity
Important for laser products
Importance Admistering
point on the Safety
XV-D721BK
XV-D723GD
1-2
1-3
1-4
1-5
This service manual is printed on 100% recycled paper.
COPYRIGHT
2000 VICTOR COMPANY OF JAPAN, LTD.
Disassembly method
Adjustment method
Description of major ICs
XV-D721BK
XV-D721BK
XV-D723GD
XV-D723GD
Area Suffix
XV-D721BK
J
U.S.A
C
Canada
EG
Germany
ES
Spain
EN
Northern Europe
EE
Russian Federation
US Minitary
Area Suffix
XV-D723GD
Australia
A
U.S.A
J
Germany
EG
Singapore
ES
Northern Europe
EN
China
UF
Brazil,Mexico,Peru
1-6
1-11
1-18
No.A0002
Nov. 2000
1-1

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Summary of Contents for JVC XV-D721BK

  • Page 1 XV-D721BK XV-D721BK XV-D723GD XV-D723GD SERVICE MANUAL DVD AUDIO/VIDEO PLAYER XV-D721BK XV-D723GD Area Suffix XV-D721BK U.S.A Canada Germany Spain Northern Europe Russian Federation US Minitary Area Suffix XV-D723GD Australia U.S.A Germany Singapore Northern Europe China Brazil,Mexico,Peru Contents Safety Precautions Disassembly method...
  • Page 2 XV-D721BK XV-D723GD 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits.
  • Page 3 XV-D721BK XV-D723GD Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs.
  • Page 4 XV-D721BK XV-D723GD Important for Laser Products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated.
  • Page 5 XV-D721BK XV-D723GD Importance Admistering point on the Safety Note : It's means "J" for U.S.A. market model and "C" for canada market model. XV-D721BK/XV-D723GD C/J ONLY XV-721BK/XV-723GD C/J SEULEMENT Full Fuse Replacement Marking Marquage Pour Le Remplacement Complet De Fusible...

  • Page 6: Disassembly Method

    XV-D721BK XV-D723GD Disassembly method Top cover < Main body> Removing the top cover (See Fig.1) Remove the four screws A on each side of the body. Remove the two screws B on the back of the body. Remove the top cover from behind in the direction of the arrow while pulling the lower part of the sides.
  • Page 7 XV-D721BK XV-D723GD Removing the front panel assembly Regulator board CN818 (See Fig.6 to 9) Prior to performing the following procedure, remove the top cover and the fitting. Disconnect the card wire from connector CN818 on the regulator board. Turn back the body and remove the three screws D fixing the front panel assembly.
  • Page 8 XV-D721BK XV-D723GD Removing the DVD mechanism Video board (See Fig.10) CN701 Regulator board Prior to performing the following procedure, remove CN816 the top cover and the fitting. It is not necessary to remove the front panel assembly. Disconnect the card wire from connector CN816 and DSP board the harness from CN817 on the regulator board.
  • Page 9 XV-D721BK XV-D723GD Removing the video board Audio board 3 Regulator board Video board (See Fig.13 and 14) CN711 CN701 Prior to performing the following procedure, remove the top cover. Audio board 2 Ref. : It is not necessary to remove the rear panel.
  • Page 10 XV-D721BK XV-D723GD Removing the DVD servo board DVD mechanism board (See Fig.17) Prior to performing the following procedure, remove the top cover and the DVD mechanism assembly. Turn over the DVD mechanism assembly and disconnect the card wire from connector CN102 and CN103 CN103 on the DVD servo board.
  • Page 11 XV-D721BK XV-D723GD Adjustment method This model has the TEST mode for simple diagnosis of the internal function. Use the TEST mode for diagnosing and checking the set as mentioned below. Details of the TEST mode The TEST mode comprises the five modes of the following.
  • Page 12 XV-D721BK XV-D723GD * Automatic adjustment/Jitter value indication 1.Enter the set into the "servo signal system check mode" of the TEST mode. 2.Open the tray with the OPEN key of the set. Set the TEST disk VT-501 on the tray and put back the tray with the CLOSE key.
  • Page 13 XV-D721BK XV-D723GD Check points for each error (1) Spindle start error *Defective spindle motor Are there 10ohms resistance between each pin of CN102 "1~4"? (The power supply is turned off and measured.) *Hall element: Is sine wave output between CN102 "10" and "11", between "12" and "13", and between "14"...
  • Page 14 XV-D721BK XV-D723GD (3) Traverse movement NG * For automatic adjustment, traverse movement occurs only when the position is changed to retry judging the disc type after the 1st judgment resulted in an error. Therefore, traverse movement rarely occurs because, in most cases, disc judgment at the current position (1st time judgment) is executed successfully.
  • Page 15 XV-D721BK XV-D723GD (6) Spindle CLV NG * When the spindle cannot be shifted to CLV Servo, does not become "H" between IC201 "18" and IC301"88". * IC201 Is signal output from IC101 "87" (RFOP)? * IC201 Is signal output from IC201 "60" to "64" (binary-coded clock and data)? * IC201 Is "58"...
  • Page 16 XV-D721BK XV-D723GD (9) Neither picture nor sound is output * Cannot search a) Can the feed system be driven? Check the waveform of TRSDRV signal (R273). --- Waveform between R274 and C271. Search results in a change of duty (three values with 2.5V at the center) (The figure is exaggerated.)
  • Page 17 XV-D721BK XV-D723GD (10) Picture is distorted or abnormal sound occurs at intervals of several seconds. Does JITOUT Some system other change periodically? (2V or more in peak than servo may be defective. value, except during kick) Feed system is defective (drive gain is defective: too large).
  • Page 18 XV-D721BK XV-D723GD Description of major ICs AN8706FHQ (IC101) : Front end processor 1.Pin layout RDCKP CBDOFS RDCKN RBCA RDTP TESTSG RDTN RFINP GND5 RFINN GND4 VCC2 VCC4 GND2 DTMONN VREF2 DTMONP COFTFS DSLFLT COFTSL DSLO RFON FLTOUT RFOP DCFLT AN8706FHQ...
  • Page 19 XV-D721BK XV-D723GD 3.Pin function AN8706FHQ (1/2) Pin No. Symbol Functions LDONB Laser ON (CD Head) terminal LDONA Laser ON (DVD Head) terminal LPCOA Laser drive output terminal LPC1 Laser PIN input terminal VHARF VHALF voltage output terminal TGBAL Tangential phase balance control terminal...
  • Page 20 XV-D721BK XV-D723GD AN8706FHQ(2/2) Pin No. Symbol Functions VCC5 Power terminal 5 (3.3V) IDGT Data slice part address part gate signal input terminal (For RAM) DTRD Data slice data read signal input terminal(For RAM) CAPA Data slice CAPA(Address)signal input terminal (For RAM)
  • Page 21 XV-D721BK XV-D723GD MN103007BGA (IC301) : Optical disc controller 1.Terminal layout HDD15 SBCK HDD0 HDD14 5VDD HDD1 PVDD HDD13 PVSS HDD2 OSC01 HDD12 OSCI1 HDD3 LRCK HDD11 BLKCK HDD4 IPFLAG HDD10 DACCLK 5VDD DACLRCK HDD5 DACDATA HDD9 NTRON MN103007BGA HDD6 JMPINH...

  • Page 22: Hdd15

    XV-D721BK XV-D723GD 3.Function MN103007BGA(1/2) Symbol Function Symbol Function Pin NO. Pin NO. CPUADR8 HDD15 ATAPI data System control address HDD0 ATAPI data CPUADR7 System control address HDD14 ATAPI data CPUADR6 System control address CPUADR5 5VDD System control address HDD1 ATAPI data...
  • Page 23 XV-D721BK XV-D723GD MN103007BGA(2/2) Symbol I/O Function Symbol I/O Function Pin NO. Pin NO. ATAPI slave master diagnosis input Land / group switch NPDIAG NTRON Tracking ON ATAPI host address DACDATA Cereal output ATAPI output of selection of width DACLRCK L and R identification output...
  • Page 24 XV-D721BK XV-D723GD MN67705EA (IC201) : Digital servo controller 1.Terminal layout AVSS LDONA TS(AD1) LDONB FS(AD2) PULIN FE(AD3) TROFS(AD4) DVSS TE(AD5) TRAYSET1 VREFLDA TRAYSET2 VREFMDA DRVMUTE VREFHDA DVDD TG(AD6) TRVSW N.C.(AD7) TRAY-CLOSE N.C.(AD8) TRAY-OPEN RFENV(AD9) ST/SP VREFOP MN67705 HFMON LDCUR(AD10) JITOUT(AD11)
  • Page 25 XV-D721BK XV-D723GD 3.Pin function MN67705EA (1/3) Pin No. Symbol Function H fixation LDONA Laser drive controlA (ON / OFF) LDONB Laser drive controlB (ON / OFF) PULIN DSL and PLL high boost signal (FEP) Head amplifier gain H/L selection DVSS...
  • Page 26 XV-D721BK XV-D723GD MN67705EA (2/3) Pin No. Symbol Function IREF3 Connects with unused DVSS VCOF2 Connects with unused DVSS DVSS Ground for digital circuit VCOE3 Connects with unused DVSS DVSS Ground for digital cirucuit DVDD Power supply for digital cirucuit SUBC...
  • Page 27 XV-D721BK XV-D723GD MN67705EA(3/3) Pin No. Symbol Function FS (FEP) FS(AD2) TS (FEP) TS(AD1) Ground for analog cirucuit AVSS Power supply for analog circuit AVDD Focus balance(FEP) FBAL(DA1) Cutting off frequency (FEP) FC(DA2) Amount of boost (FEP) BOOST(DA3) DSL offset balance (FEP)
  • Page 28 XV-D721BK XV-D723GD BA5983FM-X(IC271):4CH driver 1. Block diagram STAND BY Level Shift Level Shift Level Shift Level Shift STAND BY CH1/2/3 2. Pin function Function Symbol Symbol Function Pin No. Pin No. Amplifier input CH4 output (+) BLAS IN VO4(+) CH1 amplifier input (+)
  • Page 29 XV-D721BK XV-D723GD MN101C23DBP3 (IC810) : System controller Pin No. Symbol Descriptions KCMND VC3 Serial data output MSTAT VC3 Status data input KCLK VC3 Serial clock input DATAOUT SLC/TUNER data output DATAIN SLC/TUNER data input SLC/TUNER clock signal output BEAT BEAT Cut signal output of TUNER...
  • Page 30 XV-D721BK XV-D723GD MN102LP25GGB(IC401):UNIT CPU Function Symbol Symbol Function Pin No. Pin No. Micon wait signal input Detection switch of tray close WAIT SWCLOSE Read enable Detection switch of tray open SWOPEN Driver mute Serial enable signal for ADSC MUTE ADSCEN...

  • Page 31: Nreset

    XV-D721BK XV-D723GD JCV8005-2(IC351):CPPM 1.Pin layout 2.Pin function JCV8005-2 1/2 Description Pin No. Symbol Power supply Connect to ground Data input/output terminal (both by 8 bits) 3~10 HDATA0~7 Power supply Connect to ground 8 bit address bus to internal address (connect to host)
  • Page 32 XV-D721BK XV-D723GD 2.Pin function JCV8005-2 2/2 Symbol Description Pin No. Non connect WAIT2 Glue logic input signal (connect to 27 pin) WAITIN Power supply Connect to ground Connect to ground TEST_IN Non connect 66,67 Power supply Connect to ground Input terminal for crystal-oscillator circuit on/off control...
  • Page 33 XV-D721BK XV-D723GD KM416S1120DT-G8(IC504,IC505,IC506,IC507):DRAM 1.Terminal Layout 2.Block Diagram Data input register LDQM Bank Select 512K x 16 512K x 16 Column decoder Latency & burst length LCKE Programming register LDQM LRAS LCBR LCAS LWCBR Timing register L(U)DQM 3.Pin Function Pin No.

  • Page 34: Osci2

    XV-D721BK XV-D723GD MN101C35DGA(IC901):Front Controller 1.Terminal Layout 2.Pin Function Pin No. Symbol Function Serial Data Output Serial Data Input Serial Clock Non Connection P04,P05 FL Display Power Control POWERON Reset Signal Input RESET Power Supply Oscillator Terminal 9,10 OSC1,2 To Ground...
  • Page 35 XV-D721BK XV-D723GD SST39VF160 (IC508,509) : 16M EEPROM 1. Pin layout DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 2. Block diagram 16,777,216Bit EEPROM X-Decoder Cell Array A19~A0 Address Buffer & Latches Y-Decoder Control Logic I/O Buffers & Data Latches DQ15~DQ0 3. Pin function...
  • Page 36 XV-D721BK XV-D723GD <<MEMO>> 1-36...
  • Page 37 XV-D721BK XV-D721BK XV-D723GD XV-D723GD VICTOR COMPANY OF JAPAN, LIMITED OPTICAL DISC BUSINESS DIV. PERSONAL & MOBILE NETWORK BUSINES UNIT AV & MULTIMEDIA COMPANY 1644. Shimotsuruma, Yamato, Kanagawa, 242-8514, Japan Printed in Japan 1-37 No.A0002 200011(O)

  • Page 38: Block Diagrams

    XV-D721BK XV-D723GD Block diagrams IC702 CN701 J703 L702 L703 YOUT L704 J704 FROM CN504 OF LVA10102(2/2) IC701 J701 S VIDEO OUT COUT L701 J702 COMPOSITE VIDEO /PAL PAL/NTSC S701 /NTSC FW701 +12V IC711 FROM CN711 OF LVA10103-1 LVB10104-2...
  • Page 39 XV-D721BK XV-D721BK XV-D723GD XV-D723GD TO FW70 OF LVA10104-2 LVA10104-4 J821 CN711 IC822 CN831 CN813 CN803 AC-DC 1 +12V D1219 IC823 TO FW804 OF C/SUB C1317,C1319 SUB/C-DAC IC821 LVA10104-1 L1301 AC-DC LINE FILTER CN815 AC IN D1301 T901 1 +12V SIW360...
  • Page 40 XV-D721BK XV-D723GD Standard schematic diagrams Display control section Display control section Parts are safety assurance parts. When replacing those parts make sure to use the specified one. J951 BK951 C1302 RA901 C1301 RA902 0.068/AC250V 100K 100K R1216 C1303 CN711 T951 QQR0894-001 V.GND...
  • Page 41 XV-D721BK XV-D721BK XV-D723GD XV-D723GD Audio signal output section Audio signal output section FW801 R832 R830 C826 R852 470/6.3 R816 K802 C810 C808 120P 0.01 330/16 R845 R834 R828 C818 IC802 3.3k 3.3K NJM5532L R818 C804 C820 R806 R804 C827 560P 47/25 0.01...
  • Page 42 XV-D721BK XV-D723GD Video signal output section C770 C771 C704 C705 100/10 100/10 D751 IC701 R701 1SS133 IC751 C751 R751 1000/10 C707 C758 C701 1000/10 4.7/50 R702 4.7/50 C702 J751 C752 R752 C706 1000/10 C759 D752 4.7/50 TK15400 J701 4.7/50 TK15400...
  • Page 43 XV-D721BK XV-D721BK XV-D723GD XV-D723GD <<MEMO>>...

  • Page 44: Mn103007Bga

    XV-D721BK XV-D723GD DVD servo control section IC102 RN5RZ20BA-X C153 C151 C152 15/6.3 15/6.3 C136 S.GND K151 TP156 TP154 C137 TP229 RFOP K152 C316 TP158 C138 100/6.3 K153 TP205 TP228 C317 K154 C101 C133 C134 C155 56/6.3 K155 Q102 C141 C140...
  • Page 45 XV-D721BK XV-D723GD DSP section IC511 LP3962 TP512 TP306 R597 C557 TP309 C549 2.5V 100/6.3 100/6.3 C550 2.5V D.GND K503 K504 K519 K521 K501 C525 C526 TP502 C527 TP865 C524 100/6.3 22/6.3 D.GND D.GND R505 R506 R507 TP510 R508 TP511 TP841...
  • Page 46 XV-D721BK XV-D723GD Voltage value of main board SHEET 6...
  • Page 47 XV-D721BK XV-D721BK XV-D723GD XV-D723GD Printed circuit boards Power supply & FL board CN815 K953 K955 CN816 BK951 K956 CN817 C1320 Q1304 CN711 R1311 Q1302 D1312 L1302 Q1307 C1350 C1332 R1313 EP951 Q1306 D1314 C1319 Q1305 C1321 R1312 D1315 L1301 C1335...
  • Page 48 XV-D721BK XV-D723GD Audio/Video board BK831 L801 R1001 CN000 D821 CN831 C8001 FW804 D823 Q753 L751 C8000 D824 J831 IC851 CN751 L753 D822 R771 L754 CN813 R772 K751 L752 R991 T801 Q755 C903 C902 C778 R767 C901 IC754 IC831 R797 R791...
  • Page 49 XV-D721BK XV-D721BK XV-D723GD XV-D723GD DVD servo control board Sub board 2-12...

  • Page 50: Parts List

    XV-D721BK XV-D723GD PARTS LIST [XV-D721BK/XV-D723GD] * All printed circuit boards and its assemblies are not available as service parts. Area suffix Area suffix XV-D721BK XV-D723GD ------------------------------- U.S.A A ----------------------------- Australia ----------------------------- Canada -------------------------------- U.S.A EG --- Germany , France , Greece ,...
  • Page 51 XV-D721BK XV-D723GD Exploded view of general assembly and parts list ( 1/2 ) Block No. M1MM...
  • Page 52 XV-D721BK XV-D723GD Exploded view of general assembly and parts list ( 2/2 ) Block No. M1MM Main board Audio board...
  • Page 53 XV-D721BK XV-D723GD Parts list ( General Assembly : XV-D721BK ) Block No. M1MM Item Description Parts number Parts name Q'ty Area LV10340-009A FRONT PANEL 1U,C,J LV10340-013A FRONT PANEL EE,EG,EN,ES VJD5429-001SS JVC MARK LV20670-003A WINDOW SCREEN 1U,C,J LV20670-005A WINDOW SCREEN EE,EG,EN,ES...
  • Page 54 XV-D721BK XV-D723GD Parts list ( General Assembly : XV-D723GD ) Block No. M1MM Item Parts number Parts name Q'ty Description Area LV10340-012A FRONT PANEL 4U,A,UF LV10340-014A FRONT PANEL EG,EN,ES LV10340-010A FRONT PANEL VJD5429-001SS JVC MARK LV20670-004A WINDOW SCREEN 4U,A,J,UF LV20670-006A...
  • Page 55 XV-D721BK XV-D723GD DVD mechanism assembly and parts list Block No. M2MM FLM-V3 FOR MODULE BOARD MECHA LOADING BOARD Parts list(DVD mechanism) PARTS NO. SUFFIX REF. PARTS NAME GMVMD3270 Chassis GMVMD3265 Tray GMVDG1308 Pulley gear GMVDG1309 Drive gear 1 GMVDG1310 Drive gear 2...
  • Page 56 XV-D721BK XV-D723GD DVD mechanism assembly and parts list Block No. M2MM FML-V3 for Spindle for Stepping Motor Motor for Module Board Parts list(DVD mechanism) REF . SUFFIX PARTS NO. PARTS NAME GMVWJ1277 Spindle FFC GMVEM0665 Spindle motor unit GMVEM0666 Stepping motor unit...
  • Page 57 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D721BK ) Block No. 01 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area C 005 NCB21CK-104X C.CAPA. C.M C 211 NCB31CK-104X C CAPACITOR C 006 NCB21CK-104X C.CAPA.
  • Page 58 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D721BK ) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 310 NCB31CK-104X C CAPACITOR C 518 NCB31CK-104X C CAPACITOR C 311...
  • Page 59 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D721BK ) Block No. 01 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C 992 NCB31CK-104X C CAPACITOR K 271 NQR0007-002X FERRITE BEADS C 993...
  • Page 60 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D721BK ) Block No. 01 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area Q 253 DTC144EE-X TRANSISTOR R 234 NRSA63J-103X MG RESISTOR Q 254 DTC144EE-X...
  • Page 61 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D721BK ) Block No. 01 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area R 317 NRSA63J-473X MG RESISTOR R 551 NRSA63J-0R0X MG RESISTOR R 318...
  • Page 62 XV-D721BK XV-D723GD Electrical parts list ( Front & Power Supply board : XV-D721BK ) Block No. 02 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C1200 QDVB1EZ-223Y C CAPACITOR D1204 1SS119-02-T2 SI DIODE C1201...
  • Page 63 XV-D721BK XV-D723GD Electrical parts list ( Front & Power Supply board : XV-D721BK ) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area Q 903 DTC114YSA-T D.TR.I.M S 904 QSW0499-001Z PUSH SW I.M...
  • Page 64 XV-D721BK XV-D723GD Electrical parts list ( Audio & Video board : XV-D721BK ) Block No. 03 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C 701 QTE1A28-108Z E CAPACITOR 1U,C,J C 820 QFLC1HJ-561Z M.CAPA I.M...
  • Page 65 XV-D721BK XV-D723GD Electrical parts list ( Audio & Video board : XV-D721BK ) Block No. 03 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area C 897 QTE0J28-477Z E CAPACITOR IC821 NJM5532L C 898 QFVJ1HJ-224Z MF CAPACITOR .22MF 5% 50V...
  • Page 66 XV-D721BK XV-D723GD Electrical parts list ( Audio & Video board : XV-D721BK ) Block No. 03 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area Q 812 2SD1302/ST/-T TRANSISTOR R 815 QRE141J-221Y C RESISTOR 220 5% 1/4W...
  • Page 67 XV-D721BK XV-D723GD Electrical parts list ( Audio & Video board : XV-D721BK ) Block No. 03 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area R 888 QRA14CF-1001Y M.F.RESISTOR 10 1/4W R 967 QRE141J-471Y C RESISTOR...
  • Page 68 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D723GD ) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Area C 005 NCB21CK-104X C.CAPA. C.M C 211 NCB31CK-104X C CAPACITOR C 006 NCB21CK-104X C.CAPA.
  • Page 69 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D723GD ) Block No. 01 Item Remarks Item Parts number Parts name Area Parts number Parts name Area C 310 NCB31CK-104X C CAPACITOR C 518 NCB31CK-104X C CAPACITOR C 311 NCB31CK-104X...
  • Page 70 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D723GD ) Block No. 01 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area C 992 NCB31CK-104X C CAPACITOR K 202 NQR0007-002X FERRITE BEADS C 993...
  • Page 71 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D723GD ) Block No. 01 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area Q 251 DTC144EE-X TRANSISTOR R 232 NRVA63D-683X MF RESISTOR Q 252 DTC144EE-X...
  • Page 72 XV-D721BK XV-D723GD Electrical parts list ( Main board : XV-D723GD ) Block No. 01 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area R 313 NRSA63J-0R0X MG RESISTOR R 549 NRSA63J-0R0X MG RESISTOR R 314...
  • Page 73 XV-D721BK XV-D723GD Electrical parts list ( Front & Power Supply board : XV-D723GD ) Block No. 02 Item Parts number Parts name Remarks Area Item Parts number Parts name Remarks Area C1200 QDVB1EZ-223Y C CAPACITOR D1204 1SS119-02-T2 SI DIODE C1201...
  • Page 74 XV-D721BK XV-D723GD Electrical parts list ( Front & Power Supply board : XV-D723GD ) Block No. 02 Item Parts number Parts name Remarks Area Item Remarks Parts number Parts name Area Q 903 DTC114YSA-T D.TR.I.M S 904 QSW0499-001Z PUSH SW I.M...
  • Page 75 XV-D721BK XV-D723GD Electrical parts list ( Audio & Video board : XV-D723GD ) Block No. 03 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area C 701 QTE1A28-108Z E CAPACITOR 4U,A,J,UF C 820 QFLC1HJ-561Z M.CAPA I.M...
  • Page 76 XV-D721BK XV-D723GD Electrical parts list ( Audio & Video board : XV-D723GD ) Block No. 03 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area C 897 QTE0J28-477Z E CAPACITOR IC821 NJM5532L C 898 QFVJ1HJ-224Z MF CAPACITOR .22MF 5% 50V...
  • Page 77 XV-D721BK XV-D723GD Electrical parts list ( Audio & Video board : XV-D723GD ) Block No. 03 Item Remarks Item Remarks Parts number Parts name Area Parts number Parts name Area Q 812 2SD1302/ST/-T TRANSISTOR R 815 QRE141J-221Y C RESISTOR 220 5% 1/4W...
  • Page 78 XV-D721BK XV-D723GD Electrical parts list ( Audio & Video board : XV-D723GD ) Block No. 03 Item Remarks Parts number Parts name Area Item Parts number Parts name Remarks Area R 888 QRA14CF-1001Y M.F.RESISTOR 10 1/4W R 967 QRE141J-471Y C RESISTOR...
  • Page 79 XV-D721BK XV-D723GD Packing materials and accessories parts list Block No. M3MM Block No. M4MM 3-30...
  • Page 80 XV-D721BK XV-D723GD Packing list ( XV-D721BK ) Block No. M3MM Item Parts number Parts name Q'ty Description Area LV20677-003A PACKING CASE 1U,C,J LV20677-010A PACKING CASE LV20677-006A PACKING CASE EG,EN,ES LV20678-201A PACKING PAD(F) LV20679-201A PACKING PAD(R) QPC06506515P POLY BAG Accessories list ( XV-D721BK ) Block No.
  • Page 81 XV-D721BK XV-D723GD Packing list ( XV-D723GD ) Block No. M3MM Item Description Parts number Parts name Q'ty Area LV20677-017A PACKING CASE LV20677-018A PACKING CASE LV20677-008A PACKING CASE EG,EN,ES LV20677-004A PACKING CASE LV20677-019A PACKING CASE LV20678-201A PACKING PAD(F) 4U,A,EG,EN,ES,J LV20786-001A PACKING PAD(F)
  • Page 82 XV-D721BK XV-D723GD <<MEMO>> 3-33...

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