Kenwood DVR-5070 Service Manual
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Kenwood DVR-5070 Service Manual

Kenwood DVR-5070 Service Manual

Dvd / av receiver
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See also: Operating Manual
DVD / AV RECEIVER
DVR-5070

SERVICE MANUAL

Front panel
(A60-2252-08)
DEC button p
(K29-8165-08)
Pun cover
Tuner ass'y
(A01-3863-08)
(W02-2925-08)
Conn-speaker
(E70-0165-08)
In compliance with Federal Regulations, following are repro-
duction of labels on, or inside the product relating to laser
product safety.
Caution : No connection of ground line if disassemble
the unit. Please connect the ground line on
rear panel, PCBs, Chassis and some others.
DEC crystal
(B10-3860-08)
Plastic MLB
(B19-1643-08)
Oscillating module
(W02-2911-08)
Oscillating module
(W02-2936-08)x2
Phono jack
(E63-1244-08)x2
Phono jack
Phono jack
(E63-1274-08)x2
(E63-1271-08)
DIN socket
(E56-0046-08)
© 2001-12 PRINTED IN KOREA
B51-5778-00 (K/K) 1382
Knob(VOLUME)
(K29-8207-08)
S-video jack
(E56-0045-08)
DEC button
(K29-8163-08)
DIN socket
(E63-1243-08)x4
KENWOOD-Corp. certifies this equipment conforms to DHHS
Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM.
Optical input jack
(W02-2934-08)
Phone jack
(E11-0957-08)
RCA jack
(E63-1272-08)
MLD clamp
(J42-0350-08)
Wire-MCRDM
(E30-7276-08)
70%

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Summary of Contents for Kenwood DVR-5070

  • Page 1: Service Manual

    DIN socket (E56-0046-08) In compliance with Federal Regulations, following are repro- KENWOOD-Corp. certifies this equipment conforms to DHHS duction of labels on, or inside the product relating to laser Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. product safety.

  • Page 2: Table Of Contents

    DVR-5070 CONTENTS / ACCESSORIES / CAUTIONS Contents CONTENTS / ACCESSORIES / CAUTIONS..... 2 SCHEMATIC DIAGRAM .......... 15 BLOCK DIAGRAM ............3 EXPLODED VIEW ............28 CIRCUIT DESCRIPTION ..........4 PARTS LIST..............29 WIRING DIAGRAM .............9 SPECIFICATIONS ........Back cover PC BOARD ...............10 Accessories Speaker cord(5)

  • Page 3: Dvd Section

    17dB FL431 IC73 FL AC HEADPHONE STAND -BY CONTROL +3.3V DETECT FL DISPLY SYSTEM u-COM DGND H MUTE ST-BY +5V PROTECTION Q84,85 IC431 Q201 RDS DATA/CLK SHIFT 4094 POWER DOWN TO SMPS AC INPUT FOR SMPS CONTROL REGISTER CE,CLK,DATA DVR-5070...

  • Page 4: Circuit Description

    DVR-5070 CIRCUIT DESCRIPTION 1. Port Description of System Microcomputer : CXP828XX(IC501) Port No. Port Name Description GRID2 FIP GRID GRID1 FIP GRID CONNECTED TO VDD POWER DOWN POWER DOWN CHECK RDS CLK RDS CLOCK DVD RX DVD UART INTERFACE (RX)
  • Page 5 DVR-5070 CIRCUIT DESCRIPTION Port No. Port Name Description 4228 RST CS4228 (IC1) RESET LC7821 CE LC7821(TUNER PACK) CHIP ENABLE SM7346 CE SM7346 (IC84) CHIP ENABLE T MUTE TUNER MUTE C/S MUTE CENTER/SURROUND SIGNAL MUTE UNUSED W/F MUTE FRONT/SUB WOOER SIGNAL MUTE...
  • Page 6 DVR-5070 CIRCUIT DESCRIPTION Main Alternate function Port No. Port Name Function Input Output PIO2(4) AUDIO MUTE Audio mute PIO2(5) RGB SEL(BLANK) RGB sel.(blank)Unused PIO2(6) VIDEO MUTE Video mute PIO2(7) 16: 9 INDICATOR 16 : 9 indicator(Unused) PIO3(0) SCART H(TV/AUX) PIO3(0) Unused...
  • Page 7 DVR-5070 CIRCUIT DESCRIPTION Main Alternate function Port No. Port Name Function Input Output Timers PWM0 Unused HSYNC PWM1 Pulse width modula o Boot from ROM3 PWM2 Unused VSYNC JTAG Test clock Test data in Test data out Test mode select...
  • Page 8 DVR-5070 CIRCUIT DESCRIPTION 3. Port Description of Ics 3-1 Video Driver : MM1540AF (U1) Port No. Port Name Function VCC1,2 2,6,9 VIN,VIN (1,2) Video input (Composite or Y) YC MIX YC MIX select (Unused) Croma input (Open) Clamp select (Connected to GND)
  • Page 9 CN121 CN206 CP206 CP204 CP202 CN201 SUB WOOFER CN202 PRE OUT JACK B'D POWER B'D CP201 SMPS B'D F201 DVD B'D CN207 CN113 CN205 CN201 CN204 SW201 CN204 MECHA F/E BOARD CP203 CN205 CP208 AC INPUT JTAG TEST DVR-5070 CONNECTION...

  • Page 10: Pc Board

    PC BOARD(Component side view) MAIN BOARD CP104 CP108 CP107 R112 CP106 D104 J465 R111 R110 CP113 R125 C25SW C144 C14SW Q1SW J151 J152 IC86 CP121 J153 R37SW J154 C15SW R24SW C12SW R26SW J405 C25C J406 R23SR J156 C11SR C25SR J157 J158 IC10 J141...

  • Page 11: Schematic Diagram

    PC BOARD(Component side view) MAIN BOARD CP104 CP107 CP108 CP106 R112 D104 J465 R111 R110 CP113 R125 C25SW C14SW C144 Q1SW J151 J152 IC86 CP121 J153 R37SW J154 C15SW R24SW C12SW R26SW J405 C25C J406 R23SR J156 C25SR C11SR J157 J158 IC10 J141...
  • Page 12 PC BOARD (Component side view) DSP BOARD FID3 C154 R021 R305 C170 C141 C173 C171 C177 C062 C153 C029 C162 R304 R302 R300 R073 R303 R301 C178 C180 C182 C212 R160 R161 R158 R159 R105 C068 R164 R038 R026 R013 R033 R069 R110...
  • Page 13 DVD B'D 5.2V +2.5V 3.3V +3.3V CP202 FLASH IC401 5.25V MEMORY 3.2V BYTE 3.19V 5.0V RA403 47 3.19V DQ15 1.2V DQ14 1.2V 1.0V DQ13 RA404 47 0.9V R413 1.5V DQ12 1.5V 1.35V CPU DATA(14) 0.8V 1.35V CPU DATA(15) 1.7V DQ11 3.2V +3.3V VDD3 3...

  • Page 14: Parts List

    Refer to the voltage during PLAY unless otherwise specified; The value shown in 3.3V +3.3V +3.3V +2.5V ( ) is the voltage measured at the moment of STOP. +5.6V +5.6V +5.6V +12V +12V +12V DVR-5070 DVR-5070 (1/4) Y39-4230-10...
  • Page 15 C63 100P 4.9V COAX-IN 2 CP501 SAT/CABLE DVD B'D- CN202 +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V DVR-5070 (2/4) : CS-4228 DIGITAL LINE BA-3 IC2,3 : 74VHC574MX SIGNAL LINE BD38 : AT27LV010A90JC SPDIF GND LINE : CS49326-CL M - 5 B LINE...
  • Page 16 DVD B'D- MAIN B'D CN205 ACTIVE EQ B'D R71 4.7K IC3(3/4) +15V 1000P -15.3V FL ch 3900P 7.0V -6.9V 680P R39 82K 15.0V M - 4 IC3(4/4) SW OUT C108 C107 47u16 47u16 2.2K 0.056 6.9V -6.9V +PA RAIL FL 1 DSP B'D- VOLUME CONTROL IC84...
  • Page 17 MAIN B'D R503 13K +15V +15V C505 22P 15.0V 31.0V POWER AMPLIFIER IC101 C503 100P L1 FL COIL IC88 (1/2) R20FL C9FL FRONT-L R25FL C12FL C14FL R27FL C501 4.7u50 MUTE R42FL 10u50 4.7u50 0.047 JACK101-C ON/OFF FRONT L R37FL Q1FL -4.9V R41FL R16FL...
  • Page 18 CN121 3.3 1W HEADHONE B'D CN103 -21.7V 3.3 1W AC2-2 AY-2 1 1W u-COM B'D AC3-1 CP504 1 1W AC3-2 AC-4 CN113 AY-4 AC-4 u-COM B'D SIGNAL LINE CP506 GND LINE DVR-5070 B LINE DVR-5070 (3/4) B LINE BB-1 Y39-4230-10...
  • Page 19 u-COM B'D HEADPHONE B'D FRONT VIDEO INPUT B'D DSP B'D- JK403 R407 R408 CN501 L416 3.3K 2.7K 47uH 1 F-L 4.9V CP506 S401 S402 S403 C GREEN OPTI-IN BAND C BLUE Q - 6 R417 C417 A GND 0.01 JA401 C404 VIDEO 33u25...
  • Page 20 4094CE 5.3V Q436 KEY IN R452 KEY IN D401 5.56V 5.3V 5.3V +5.5V +5.5V DVR-5070 +5.5V +5.5V +5.5V 4.1V R448 1K R449 1.2K R450 1.5K R451 2.2K +5.5V +5.5V PLAY/ EJECT INPUT STOP DVR-5070 (4/4) PAUSE W501 Y39-4230-10 CH GND...
  • Page 21 MAIN PCB : N09-5269-08 VOLUME SPEAKERS FL431 TUNER PACK SW435 JACK101 EJECT INPUT STOP PLAY/PAUSE SW431 SW432 SW433 SW434 FRONT POWER SW201 POWER DVD PCB DIGITAL IN PHONES JK403 HP401 BAND SVIDEO VIDEO L/R SW403 SW402 SW401 JA402 JA401 DVR-5070...
  • Page 22 Parts No. Description ress Parts nation marks marks ress Parts nation ✽ H25-1715-08 CPL BAG PE C 20715540 DVR-5070 ✽ H25-1737-08 CPL BAG PE 4 55030950 ✽ H25-1738-08 CPL BAG POLY 55237020 ✽ A60-2252-08 FRONT PANEL ASS55302560 ✽ H25-1739-08 CPL BAG POLY...
  • Page 23 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 24 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 25 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 26 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 27 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 28 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 29 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 30 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. & Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 31 ✽ New Parts ✽ New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.

  • Page 32: Specifications

    93 mm (3-11/16") 410 mm (16-1/8") Weight (net) ..............8.8 kg (19.4 lbs) 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes 2. Sufficient performance may not be possible at very low temperatures (0°C or less).

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