JVC HR-XV48EF Service Manual
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JVC HR-XV48EF Service Manual

JVC HR-XV48EF Service Manual

& video cassette recorder
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Download this manual See also: Instruction Manual
SERVICE MANUAL
DVD PLAYER & VIDEO CASSETTE RECORDER
2
2005
YD051
HR-XV48EF,HR-XV48EK,
HR-XV48EL,HR-XV48ER,
HR-XV48EX,HR-XV48EY,
HR-XV48EF,HR-XV48EK,HR-XV48EL,HR-XV48ER,HR-XV48EX,HR-XV48EY,HR-XV48EZ [D4PV1]
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY).
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25
HR-XV48EZ

TABLE OF CONTENTS

COPYRIGHT © 2005 VICTOR COMPANY OF JAPAN, LIMITED
(EK model)
(EL, EX, EY, EZ models)
(EF, ER models)
(EF model)
No.YD051
2005/2

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  • Page 1: Table Of Contents

    (EL, EX, EY, EZ models) (EF, ER models) (EF model) HR-XV48EF,HR-XV48EK,HR-XV48EL,HR-XV48ER,HR-XV48EX,HR-XV48EY,HR-XV48EZ [D4PV1] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY). TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION HR-XV48EF HR-XV48EK HR-XV48EL/ER/EX/EY/EZ GENERAL Power requirement AC 220V - 240V, 50 Hz/60 Hz Power consumption Power on 23 W Power off 4.0 W Temperature Operating 5°C to 40°C Storage -20°C to 60°C Operating position Horizontal only Dimensions (W × H × D) 435 mm ×...

  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFTY PRECAUTIONS Prior to shipment from the factory, JVC products are strictly in- Consequently, when servicing these products, replace the spected to conform with the recognized product safety and elec- cathode ray tubes and other parts with only the specified trical codes of the countries in which they are to be parts.
  • Page 4 1.1.2 Safety Check after Servicing Examine the area surrounding the repaired location for damage (4) Leakage current test or deterioration. Observe that screws, parts and wires have been Confirm specified or lower leakage current between earth returned to original positions, Afterwards, perform the following ground/power cord plug prongs and externally exposed ac- tests and confirm the specified values in order to verify compli- cessible parts (RF terminals, antenna terminals, video and...
  • Page 5 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. 1.2.1 Grounding to prevent damage by static electricity Static electricity in the work area can destroy the optical pickup (laser diode) in devices such as DVD players.
  • Page 6 Important for laser products (1) CLASS 1 LASER PRODUCT (5) CAUTION : If safety switches malfunction, the laser is able (2) DANGER : Invisible laser radiation when open and inter to function. lock failed or defeated. Avoid direct exposure to beam. (6) CAUTION : Use of controls, adjustments or performance of (3) CAUTION : There are no serviceable parts inside the procedures other than those specified herein may result in...
  • Page 7 Precautions for Service 1.4.1 Handling of Traverse Unit and Laser Pickup (1) Do not touch any peripheral element of the pickup or the actuator. (2) The traverse unit and the pickup are precision devices and therefore must not be subjected to strong shock. (3) Do not use a tester to examine the laser diode.

  • Page 8: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Different table of feature The following table indicates main different points between models HR-XV48EF, HR-XV48EK, HR-XV48ER and HR-XV48EL/EX/EY/ HR-XV48EF HR-XV48EK HR-XV48ER HR-XV48EL/EX/EY/EZ ← POWER PLUG 3PIN ← ← SCART CABLE PROVIDED OPTIONAL PAL/MESECAM/SECAM/ NTSC PAL/NTSC PB on PAL TV with...
  • Page 9 2.2 Service position This unit has been designed so that the Mechanism and Main SWITCHING TERMINAL board assemblies can be removed together from the bottom REGULATOR board assembly board assembly chassis. Before diagnosing or servicing the circuit boards, take out the major parts from the bottom chassis. MAIN board 2.2.1 How to set the "Service position"...
  • Page 10 2.3.2 Setting the User RCU mode 2.5.2 Lubrication (1) Turn off the power. With no need for periodical lubrication, you have only to lubricate (2) Press the "REC" and "PAUSE" buttons of the VCR simul- new parts after replacement. If any oil or grease on contact parts taneously.

  • Page 11: Disassembly

    SECTION 3 DISASSEMBLY Removing the major parts 3.1.1 Destination of connectors 3.1.3 Disassembly procedure Two kinds of double-arrows in connection tables respectively Step/ Fig. Point Note Part Name Loc No. show kinds of connector/wires. Top cover 3-1d 8(S1a) : Flat wire : Wire : Board to board (B-B) Front panel assembly...
  • Page 12 < Note 3c > • When reattaching the Drum assembly, secure the screws (S3c to S3e) in the order of c, d, e. (S3c) (S3e) (S3d) (S3e) Mechanism (S3d) assembly Drum HOOK assembly (S3c) <Note 3c> <NOTE> Attach the Drum assembly appropriately, since the installation state of the Drum assembly influences the FM WAVEFORM LINEARITY greatly.
  • Page 13 (S1a) [1]Top cover (S1a) (S1a) (S1a) (S1a) (S1a) (S3a) [3]Drum assembly <Note 3a> [3]Mechanism assembly (S3a) [5]Rear cover <Note 3a> (S5a) (S5a) (S5a) (S3a) <Note 3a> (S3b) (L5a) (S5a) <Note 3a> (S3c) <Note3c> (S3d) <Note 3c> (L5a) (S3e) (S7a) <Note 3c> (L5a) [7]Main board assembly (S4a)
  • Page 14 Loading mechanism assembly 3.2.1 Removing the tray (See Figure 3-2a, Figure 3-2b, Figure 3-2c, Figure 3-2d, Figure 3-2e, Figure 3-2f) (1) Push a of the slide cam on the hole in the right side of the Tray loading base by using a driver until it stops. (See Figure 3- 2a.) (2) The tray comes out.
  • Page 15 3.2.2 Removing the traverse mechanism assembly (See Figure 3-2g) Reverse the loading mechanism assembly. Remove the four Loading mechanism assembly screws B attaching the traverse mechanism assembly. Remove the traverse mechanism assembly upward. Traverse mechanism assembly Fig.3-2g 3.2.3 Removing the elevator (See Figure 3-2h and Figure 3-2j) •...
  • Page 16 3.2.4 Removing the loading motor (See Figure 3-2k and Figure 3-2l) • Prior to the following procedure, remove the tray, the traverse Loading base Belt mechanism assembly, and the elevator. (1) Remove the belt from the pulley. Pulley Slide cam Pulley (2) Remove two screws C attaching the loading motor.

  • Page 17: Adjustment

    SECTION 4 ADJUSTMENT Before adjustment 4.1.4 Color (colour) bar signal,Color (colour) bar pattern 4.1.1 Precaution Colour bar signal [PAL] Colour bar pattern [PAL] • The adjustments of this unit include the mechanism com- White(100%) (75%) patibility and electrical adjustments. During the perfor- White(75%) mance of this work, be sure to observe the precautions for each type of adjustment.
  • Page 18 4.1.7 EVR Adjustment 4.2 Mechanism compatibility adjustment [VHS SECTION] Some of the electrical adjustments require the adjustment per- Notes: formed by the EVR system. The main unit have EEPROMs for • Although compatibility adjustment is very important, it storing the EVR adjustment data and user setups. is not necessary to perform this as part of the normal Notes: servicing work.
  • Page 19 4.2.2 FM waveform linearity Proper waveform variation Signal (A1) • Alignment tape(SP, stairstep, PAL) [MHPE] (A2) • Alignment tape(LP, stairstep, PAL) [MHPE-L] Mode • PB Equipment • Oscilloscope Measuring point (D) • TP106 (PB. FM) External trigger (E) • TP111 (D.FF) Improper waveform variation Down Adjustment part (F)
  • Page 20 4.2.4 A/C head phase (X-value) 4.3 Electrical adjustment [VHS SECTION] Signal (A1) • Alignment tape(SP, stairstep, PAL) [MHPE] Note: (A2) • Alignment tape(LP,stairstep,PAL) [MHPE-L] The following adjustment procedures are not only necessary Mode • PB after replacement of consumable mechanical parts or board Equipment •...
  • Page 21 (1) Record the signal (A2) in the mode (B1), and play back the recorded signal. (2) Set the VCR to the manual tracking mode. (3) Set the VCR to the FWD slow (+1/6x) mode. (4) Transmit the code (F) from the Jig RCU to adjust so that the noise bar becomes the specified value (G) on the TV monitor in the slow mode.
  • Page 22 Electrical adjustment (DVD SECTION) 4.4.1 Test mode setting method (1) Press POWER button to turn off the unit. (2) Press the following remocon keys continuously within 2seconds " SET UP " → " 2 " → " 8 " → " ENTER ". (3) The unit becomes JIG RCU mode.
  • Page 23 4.4.2 Method of displayed version of firmware (1) Set the unit to the test mode. (2) The version number is displayed in the monitor screen. Model name HR-XV48 Version of firmware FE/BE VERSION:4624/S2712 NO DISC Others 4.4.3 All-initialization method Please perform all-initialization according to the following procedures in the following case: •...
  • Page 24 4.4.4 Upgrading of firmware • Firmware update disc supports CD-R media. • When firmware update is necessary, information is available from the homepage of DIGITAL VIDEO STORAGE CATEGORY, CS group. 4.4.4.1 Creating an update disc Please check the details of the update disc creation method by JS-NET. (1) Down load the update file from JS-NET.

  • Page 25: Troubleshooting

    SECTION 5 TROUBLESHOOTING Manually removing the cassette tape (3) Unload the pole base assembly by manually turning the gear of the loading motor until the pole base assembly is If you cannot remove the cassette tape which is loaded because hidden behind the cassette lid.
  • Page 26 5.3 Emergency display function (VHS SECTION) EMG display of FDP display mode (1) Transmit the code “43-59” from the Jig RCU. This unit saves details of the last two emergencies as the EMG The FDP shows the EMG content in the form of “E:**:**”. history and allows the status of the VCR and the mechanism of each emergency to be shown both on the display and as OSD in- <Example 1>...
  • Page 27 : Sensor information (See sensor information details.) GG : Capstan motor speed (See Mechanism mode sequence.) HH : Key code (JVC code) Remote pause : Supply reel winding diameter data higher 8 bits. : Supply reel winding diameter data lower 8 bits.
  • Page 28 5.3.4 EMG content description Note: EMG contents “E09” are for the model with Dynamic Drum (DD). CONTENT CAUSE E01: Loading EMG If the mechanism mode does not change to the next mode within 4 sec- 1. The mechanism is locked in the middle of the mode transition during a tape loading operation. onds after the loading motor starts rotating in the loading direction, while 2.
  • Page 29 5.3.5 EMG detail information < 1 > *2 : Mechanism operation mode The status (electrical operation mode) of the VCR and the status [Table of MN*] (mechanism operation mode/sensor information) of the mecha- Display Mechanism operation mode nism in the latest EMG can be confirmed based on the figure in Command standby (No command to be executed) EMG detail information <...
  • Page 30 3- : Mechanism sensor information *5 : Cassette tape type < 1 > [Common table of MN* and HD*] Display Cassette tape type <1> Cassette type not identified Mechanism sensor informatio n Large reel/small reel (T-0 to T-15/T-130 to T-210) not classified Display Mechansim Small reel, thick tape (T-120) identified/thin tape (T-140) identified...
  • Page 31 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YD051) Printed in Japan...

  • Page 32: Parts List

    * BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance. We recommend that genuine JVC parts be used. * (x_) in a description column shows the number of the used part.

  • Page 33: Exploded View Of General Assembly And Parts List

    Exploded view of general assembly and parts list Block No. M1MM DVD SERVO CONTROL BOARD ASSY <99> TRAVERSE MECHANISM ASSY <M3> BACK SIDE Grease LOADING JVS-1003 MECHANISM ASSY <M4> (EXCEPT HR-XV48ER) VHS MECHANISM ASSY<M2> TERMINAL BOARD ASSY<06> MAIN BOARD ASSY<03> BRACKET BOARD ASSY<31>...
  • Page 34 TERMINAL BOARD ASSY CN2001 SWITCHING REGLATOR MAIN BOARD ASSY BOARD ASSY DVD UNIT A/C HEAD CN301 CN7191 CN7103 CN7302 CN7301 CN3102 CN8301 from FRONT PANEL (JACK CN7191) BOTTOM SIDE SWITCH/JACK BOARD ASSY<36> DISPLAY/OPERATION BOARD ASSY<28> NOTE) WHEN YOU FIX ANY PWB WITH THE SCREW. SWITCH/JACK BOARD ASSY parts surface TOP SIDE PUT IT ON THE JIGS.
  • Page 35 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local  1 LP10490-025C FRONT PANEL ASSY  1 LP10490-024C FRONT PANEL ASSY  1 LP10490-026C FRONT PANEL ASSY ...

  • Page 36: Vhs Mechanism Assembly And Parts List

    VHS mechanism assembly and parts list Block No. M2MM Not used A/C HEAD BOARD ASSY <12> LOADING MOTOR BOARD ASSY <55> PMD0042A-C Classification Part No. Symbol in drawing NOTE:The section marked in AA and BB Grease KYODO-SH-JB indicate lubrication and greasing areas. COSMO-HV56 (No.YD051)3-5...
  • Page 37 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER VHS mechanism Block No. [M][2][M][M]  Symbol No. Part No. Part Name Description Local LP40097-002E GUIDE POLE CAP QAH0082-001 FULL ERASE HEAD LP30958-001B LOADING GEAR BASE QYTPST2620ZA TAP SCREW M2.6 x 20mm(x2)
  • Page 38 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local LP30980-002A CONNECT PLATE LP10403-001C SIDE HOLDER(L) LP10404-001F SIDE HOLDER(R) LP30983-002A LOCK LEVER(L) LP30984-002A LOCK LEVER(R) LP40924-001D TENSION SPRING LP40857-001B EARTH SPRING(2)

  • Page 39: Dvd Traverse Mechanism Assembly And Parts List

    DVD Traverse mechanism assembly and parts list Block No. M3MM Grease =JVG-31N =CFD-4007ZY2 =PG-641 =1401C < Back side > 0.1mm 63.3mm 10.5mm 0.1mm 3-8(No.YD051)
  • Page 40 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER DVD Traverse mechanism Block No. [M][3][M][M]  Symbol No. Part No. Part Name Description Local LE20729-002A MECHA BASE LE20731-002A SPINDLE BASE QYSDST2604M SCREW M2.6 x 4mm(x2) LE40931-001A SHAFT LE40995-001A...

  • Page 41: Dvd Loading Mechanism Assembly And Parts List

    DVD Loading mechanism assembly and parts list Block No. M4MM Grease JVG-31N JVS-1003 Back side (All circumferences) SWITCH BOARD ASSY<98> 3-10(No.YD051)
  • Page 42 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER DVD Loading mechanism Block No. [M][4][M][M]  Symbol No. Part No. Part Name Description Local LE10275-006A LOADING BASE LE31043-001A PULLEY GEAR LE31042-001A MIDDLE GEAR LE20665-005A SLIDE CAM LE20666-003A ELEVATOR...

  • Page 43: Electrical Parts List

    MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER Electrical parts list Switching regulator board  Symbol No. Part No. Part Name Description Local Block No. [0][1] R5103 QRE141J-683Y C RESISTOR 68kΩ 1/4W J  Symbol No. Part No.
  • Page 44 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local or 2SC3928A/QRS/-X TRANSISTOR Q6031 or RT1N141C-X DIGI TRANSISTOR 2SC2412K/QRS/-X TRANSISTOR Q8001...
  • Page 45 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local QEKJ1EM-106Z E CAPACITOR 10uF 25V M C2013 NDC31HJ-331X C CAPACITOR 330pF 50V J...
  • Page 46 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C5304 QETN1CM-107Z E CAPACITOR 100uF 16V M R303 NRSA63J-273X MG RESISTOR 27kΩ...
  • Page 47 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R2242 NRSA63J-682X MG RESISTOR 6.8kΩ 1/16W J R3224 NRSA63J-472X MG RESISTOR 4.7kΩ...
  • Page 48 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R8010 NRSA63J-392X MG RESISTOR 3.9kΩ 1/16W J B7102 NRSA63J-0R0X MG RESISTOR 0Ω...
  • Page 49 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J C906 NCB31HK-471X C CAPACITOR 470pF 50V K...
  • Page 50 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER Display/operation board  Symbol No. Part No. Part Name Description Local Block No. [2][8] R940 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R941 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J  Symbol No.

  • Page 51: Switch Board

    MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER Switch board  Symbol No. Part No. Part Name Description Local Block No. [9][8] R7036 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R7037 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J  Symbol No.
  • Page 52 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local C210 NCB31HK-472X C CAPACITOR 4700pF 50V K C376 NCB31CK-104X C CAPACITOR 0.1uF 16V K...
  • Page 53 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local R122 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R350 NRSA63J-100X MG RESISTOR 10Ω...

  • Page 54: Packing Materials And Accessories Parts List

    Packing materials and accessories parts list The instruction manual to be provided with this product will differ according to the destination. Block No. M5MM ADHESIVE TAPE POWER CORD POLY BAG GENERAL ASSY<M1> SPEC OF BARCODE (No.YD051)3-23...
  • Page 55 MODEL MARK MODEL MARK HR-XV48EF HR-XV48EX HR-XV48EK HR-XV48EY HR-XV48EL HR-XV48EZ HR-XV48ER Packing and accessories Block No. [M][5][M][M]  Symbol No. Part No. Part Name Description Local LP31296-011A PACKING CASE LP31296-009A PACKING CASE A,B,C,E,F,G LP31295-001B CUSHION ASSY LP41038-001A POLY BAG QAM0002-001...
  • Page 56 CD-ROM No.SML200502 (EK model) (EL, EX, EY, EZ models) (EF, ER models) (EF model) HR-XV48EF,HR-XV48EK,HR-XV48EL,HR-XV48ER,HR-XV48EX,HR-XV48EY,HR-XV48EZ [D4PV1] For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700(MECHANISM ASSEMBLY). No.YD051SCH COPYRIGHT © 2005 Victor Company of Japan, Limited. 2005/2...
  • Page 58 CIRCUIT BOARD NOTES CHARTS AND DIAGRAMS 1. Foil and Component sides 4. Voltage measurement NOTES OF SCHEMATIC DIAGRAM 1) Foil side (B side) : Parts on the foil side seen from foil face (pattern face) 1) Regulator (DC/DC CONV) circuits Safety precautions are indicated.
  • Page 59 BOARD INTERCONNECTIONS Page 2-5 SHEET 1 Page 2-23 SHEET 10 Page 2-27 SHEET 12 SW.REG Page 2-5 SHEET 1 VIDEO/N.AUDIO Page 2-7 SHEET 2 ON SCREEN Page 2-9 SHEET 3 SECAM Page 2-11 SHEET 4 Page 2-13 SHEET 5 SYSCON Page 2-15 SHEET 6 TUNER...
  • Page 60 SWITCHING REGULATOR AND MAIN(SWITCHING REGULATOR) SCHEMATIC DIAGRAM Q5312 TO TUNER RF5V SHEET 7 R5318 D5001 CN5001 LF5002 C5315 C5316 F5001 D5201 T5001 R5390 D5213 TO SYSCON SHEET 6 C5001 C5002 TO MAIN TERMINAL C5006 AL12V SHEET 8 D5205 L5201 C5203 TO SYSCON SHEET 6 C5205...
  • Page 61 MAIN(VIDEO/N.AUDIO) SCHEMATIC DIAGRAM TO SECAM SECAM_REC_COLOR PB_FM SHEET 4 EE[L] MESECAM_DET 2.2k CTL2 2.2k CTL1 TO SYSCON VIDEO_ENV SHEET6 0.01 0.01 D.FF A.MUTE[H] TP111 I2C_DATA_AV I2C_CLK_AV 150p 2Fsc TO FMA NA_PB TP106 SHEET 5 NA_REC 0Ω 0.01 TO TUNER µ TU_AUDIO SHEET 7 R2023...
  • Page 62 MAIN(ON SCREEN) SCHEMATIC DIAGRAM R225 B206 TO TUNER SHEET 7 R223 R224 Q207 L206 µ R216 R213 R212 Q208 L204 L201 C222 µ µ C209 C218 R220 C217 TO VIDEO/N.AUDIO SHEET 2 V_TO_OSD TO MAIN TERMINAL V_FROM_OSD SHEET 8 2Fsc TO VIDEO/N.AUDIO SHEET 2 C201 C202...
  • Page 63 MAIN(SECAM) SCHEMATIC DIAGRAM [HR-XV48EF ONLY] L301 µ R305 B301 R301 R302 C305 C323 Q301 120k 0.01 2SA1037AK/QR/-X Q312 R304 C301 C308 6.8k R321 150p 0.01 C.SYNC Q311 SECAM_DET C311 R303 R306 C309 0.01 EE[L] SW5V R308 2.2k R307 L302 SECAM_PB_COLOR 2.2k...
  • Page 64 MAIN(FMA) SCHEMATIC DIAGRAM C2222 0.01 AL5.8V SW5V TO SW.REG SHEET 1 SW12V TP2253 RF_AUDIO TO TUNER Q2202 DEMOD[R] SHEET 7 DEMOD[L] C2208 0.015 Q2201 R2253 R2220 R2257 C2259 0.33 R2241 I2C_DATA_AV R2242 6.8k R2252 R2251 I2C_CLK_AV 4.7k R2243 A.MUTE[H] R2244 6.8k D2251 TO SYSCON...
  • Page 65 MAIN(SYSCON) SCHEMATIC DIAGRAM N.REC_ST[H] N.REC[H] I2C_DATA_AV I2C_CLK_AV A.MUTE[H] MESECAM_DET SECAM[H] TO VIDEO/N.AUDIO CTL1 SHEET 2 CTL2 D.FF C.SYNC V.PULSE D4001 CTL[+] CTL[-] EE[L] S_DET SECAM_DET VIDEO_ENV SB_GAIN I2C_CLK_AV CN3001 I2C_DATA_AV A.MUTE[H] TO FME C3071 R4017 A.FF R4001 SHEET 5 H.REC_ST[H] C3014 PAL_PB[H] A.ENV/ND[L]...
  • Page 66 MAIN(TUNER) SCHEMATIC DIAGRAM MAIN(TUNER) TO SW.REG RF5V SHEET 1 SW5V SW12V L6701 µ C6751 C6752 OPEN TO FMA SHEET 5 DEMOD[L] TO SW.REG SHEET 1 DEMOD[R] TO FMA SHEET 5 TU_AUDIO TO SW.REG SHEET 1 K6706 RF_AUDIO C6718 OPEN C6715 TO FMA SHEET 5 C6717 R6716...
  • Page 67 MAIN(MAIN TERMINAL) SCHEMATIC DIAGRAM MAIN(MAIN TERMINAL) LED1 SCLK TO SUB CPU U2SDT SHEET 9 S2UDT CN7104 CPURST R7119 SMUTE TO DISPLAY CN7302 CN7191 SHEET 11 TO DVD UNIT CN301 SHEET12 Q7201 C7207 R7206 L7202 J7202 C7202 R7211 Q7202 R7203 L7201 µ...
  • Page 68 MAIN(SUB CPU) SCHEMATIC DIAGRAM CN8301 IC8301 DVD UNIT R8206 C8303 R8205 R8301 L8301 R8207 C8302 0.01 D8302 Q8301 C8301 K8301 D8303 D8301 X8201 R8208 IC8201 MN101C30AJG C8201 C8202 R8214 R8215 R8216 LED1 R8217 S2UDT SCLK TO MAIN U2SDT TERMINAL R8223 SHEET 8 R8222 CPURST...
  • Page 69 TERMINAL(I/O) SCHEMATIC DIAGRAM R919 2SA1037AK/QR/-X µ µ L901 R914 L906 R927 R922 µ Q908 µ R902 R909 L902 R915 L907 R928 2SA1037AK/QR/-X 2SC2412K/QRS/-X R7703 C902 C903 C904 C905 L903 C918 C919 C920 L908 µ C921 µ 330p 330p 330p 330p 330p 330p 330p J901...
  • Page 70 DISPLAY/OPERATION AND SWITCH/JACK SCHEMATIC DIAGRAMS J7191 Q7001 Q7002 Q7003 Q7004 Q7005 Q7006 Q7007 R7195 100Ω L7193 R7192 0Ω C7192 DI7001 R7191 C7194 680p 680p L7191 C7193 C7195 D7191 680p 680p IC7002 D7192 CN7191 C7191 TO MAIN TERMINAL CN7104 R7041 R7001 R7002 R7003 R7004...
  • Page 71 DVD SERVO CONTROL AND DECODER SCHEMATIC DIAGRAM TP47 TP48 TP49 S3.3V B3.3ESS IC404 SN74LV273APW-X R125 C420 DCDTI DCLK DCSN R119 C101 C102 R120 R121 LCS1 R122 R123 SCSJ C109 C132 C133 C134 C135 C136 SDATA 0.0022 DGND SCLK C110 0.0022 R102 C111 0.0022...
  • Page 72 SWITCHING REGULATOR, SWITCH/JACK, DISPLAY/OPERATION AND BRACKET CIRCUIT BOARDS <01>SWITCHING DANGEROUS VOLTAGE REGULATOR LPB10261-001A C5108 R5107 C5004 COMPONENT PARTS LOCATION GUIDE <SWITCHING REGULATOR> LPB10261-001A R5112 CN5301 REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION IC5201 CN5001 C5215 CAPACITOR C5211 D5207 TRANSISTOR R5204...
  • Page 73 MAIN CIRCUIT BOARD <03> MAIN LPB10260-001A J7010 J7202 C7207 CN7103 CN7102 CN7101 C6014 C6054 B7102 C7508 R6054 B7103 C6053 L6002 C7507 C6013 C6052 R7507 C7506 C6055 L206 R6050 R6055 C202 B206 R6080 R223 IC201 C222 B6001 K2004 C5316 R2003 R211 B204 C2204 K2003...
  • Page 74 COMPONENT PARTS LOCATION GUIDE <MAIN> LPB10260-001A FDP GRID ASSIGNMENT AND ANODE CONNECTION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION CAPACITOR C2055 A D 19G C6020 B C 22N D8302 B C 15M R2237 B C 20L R3237...
  • Page 75 SWITCH, DVD SERVO CONTROL AND TERMINAL CIRCUIT BOARDS <06> TERMINAL C929 R930 LPB10216-003A R7731 R959 C969 Q901 C968 C955 R7732 R929 C967 R958 C928 L910 R922 Q903 C952 L920 R956 C920 C921 J901 J7003 C919 C918 R954 C981 C950 R7739 C951 D903 R7708...
  • Page 76 VIDEO BLOCK DIAGRAM TP106 PB.FM MAIN 2Fsc (VIDEO/N.AUDIO, 2Fsc ON SCREEN TERMINAL, SECAM) USED USED FILTER EE(L) 67 69 SECAM(H) SYSCON (VIDEO & AUDIO SECAM_DET CONT SIGNAL PROCESSOR) X-TAL CR DET 2fsc B-Y INVERT VCO/OSC CLOCK DRIVER DOWN LCVCO CONV CCD- CONT CHROMA...
  • Page 77 AUDIO BLOCK DIAGRAM SW/JACK MAIN (VIDEO/N.AUDIO, FMA, TERMINAL, TUNER) J7201 CN7201 CN7112 F.AUDIO[L] F.AUDIO[L] AUDIO IN(L) F.AUDIO[R] F.AUDIO[R] AUDIO IN(R) IC2201 TUNER EXT4_IN(L) IC6701 A UDIO HEAD EXT4_IN(R) TU6002 FMA_CH1 DEMOD(L) ANT IN L out SIF OUT INPUT TV_IN(L) DEMOD(R) FMA_CH2 ANT OUT AUDIO OUT...
  • Page 78 SYSTEM CONTROL BLOCK DIAGRAM DRUM MOTOR MAIN ( SYSCON, ON SCREEN, SUB CPU ) IC3001 ( SYSTEM CONTROL MICRO PROCESSOR ) I2C_DATA_AV I2C_CLK_AV OSC2(OUT) X3002 A.MUTE ( H ) FMA/DEMOD MAIN SYSTEM H.REC_ST ( H ) H.REC_ST(H) CLOCK PAL_PB(H) PAL_PB(H) (10MHz) OSC1(IN) X3001...
  • Page 79 VOLTAGE CHARTS <REGULATOR> <MAIN> <TERMINAL> <SWITCH/DISPLAY> <SWITCH/JACK> MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PIN NO. PIN NO. PIN NO. PIN NO.
  • Page 80 CPU PIN FUNCTION WAVEFORMS <VIDEO BLOCK DIAGRAM > <SYSCON IC3001> PIN NO. LABEL IN/OUT FUNCTION PIN NO. LABEL IN/OUT FUNCTION TP111 IC1-21 IC1-15 IC1-29 D.FF IC1-86 CTL[+] IN/OUT CTL(+) SIGNAL NOT USED SVss REC_SAFTY REC SAFETY SWITCH DETECT (SW ON:L) CTL[-] IN/OUT CTL(-) SIGNAL LED DRIVE...
  • Page 82 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan (No.YD051) Printed in Japan...

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