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Sharp HT-CN400DVW Service Manual

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Illustration: HT-CN400DVW
Illustration: HT-CN400DVA
• In the interests of user-safety the set should be restored to
its original condition and only parts identical to those specified
be used.
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION ..................................................................................................................................................... 2
AC POWER SUPPLY CORD ............................................................................................................................................. 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 5
DISASSEMBLY .................................................................................................................................................................. 8
ADJUSTMENT ................................................................................................................................................................. 10
SW EXTRA FUNCTION ................................................................................................................................................... 10
SOFTWARE UPGRADING & SPECIAL KEY CONTROL ............................................................................................... 11
BLOCK DIAGRAM ........................................................................................................................................................... 12
SCHEMATIC DIAGRAM .................................................................................................................................................. 14
WIRING SIDE OF P.W.BOARD ....................................................................................................................................... 26
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 32
TYPES OF TRANSISTOR AND LED ............................................................................................................................... 32
VOLTAGE ........................................................................................................................................................................ 33
WAVEFORMS OF DVD CIRCUIT ................................................................................................................................... 37
TROUBLESHOOTING ..................................................................................................................................................... 39
FUNCTION TABLE OF IC ................................................................................................................................................ 40
FL DISPLAY ..................................................................................................................................................................... 59
REPLACEMENT PARTS LIST/EXPLODED VIEW
HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA
SERVICE MANUAL
MODEL
OPEN/
ON/
CLOSE
STAND-BY
SET UP
MUTE
TITLE
SUBTITLE
LANGUAGE
DISPLAY
MENU/PBC
ST/MO
HT-CN400DVW Home Theater with DVD consisting of HT-CN400DVW
ENTER
PROG
SLEEP
SLOW/MEMORY
PRESET
TUNING
(main unit), CP-CN400WF (front speakers), CP-CN400WC (center
LISTENING
MODE
ADJ/VOL
1
2
3
4
5
6
7
8
STEP
9
0
>10
DIRECT
RETURN
REPEAT
A-B
speaker), CP-CN400WR (surround speakers) and CP-CN400WSW
ANGLE
ZOOM
AUDIO
NTSC/PAL
MULTI
(subwoofer).
MODEL
HT-CN400DVA Home Theater with DVD consisting of HT-CN400DVA
(main unit), CP-CN400F (front speakers), CP-CN400C (center speaker),
CP-CN400R (surround speakers) and CP-CN400SW (subwoofer).
ON/
OPEN/
CLOSE
STAND-BY
SET UP
MUTE
TITLE
SUBTITLE
LANGUAGE
DISPLAY
MENU/PBC
ST/MO
ENTER
PROG
SLEEP
SLOW/MEMORY
PRESET
TUNING
LISTENING
MODE
ADJ/VOL
1
2
3
4
5
6
7
8
STEP
9
0
>10
DIRECT
RETURN
REPEAT
A-B
ANGLE
ZOOM
AUDIO
NTSC/PAL
MULTI
MODEL
HT-CN500DVW Home Theater with DVD consisting of HT-CN500DVW
(main unit), CP-CN500WF (front speakers), CP-CN500WC (center
speaker), CP-CN500WR (surround speakers) and CP-CN500WSW
(subwoofer).
MODEL
HT-CN500DVA Home Theater with DVD consisting of HT-CN500DVA
(main unit), CP-CN500F (front speakers), CP-CN500C (center speaker),
CP-CN500R (surround speakers) and CP-CN500SW (subwoofer).
CONTENTS
SHARP CORPORATION
No. XXXXXXXXXXXXX
HOME THEATER WITH DVD
HT-CN400DVW
HOME THEATER WITH DVD
HT-CN400DVA
HOME THEATER WITH DVD
HT-CN500DVW
HOME THEATER WITH DVD
HT-CN500DVA
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
Page

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Table of Contents
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  Summary of Contents for Sharp HT-CN400DVW

  • Page 1: Table Of Contents

    HT-CN400DVW MODEL OPEN/ CLOSE STAND-BY SET UP MUTE TITLE SUBTITLE LANGUAGE DISPLAY MENU/PBC ST/MO HT-CN400DVW Home Theater with DVD consisting of HT-CN400DVW ENTER PROG SLEEP SLOW/MEMORY PRESET TUNING (main unit), CP-CN400WF (front speakers), CP-CN400WC (center LISTENING MODE ADJ/VOL STEP >10...
  • Page 2: Safety Precaution For Service Manual

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA SAFETY PRECAUTION FOR SERVICE MANUAL WARNINGS THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES AGAINST EXPOSURE TO THE LASER BEAM.
  • Page 3: Specifications

    Type Full range speaker system (magnetic shield) Power on: 105 W 8 cm (3-1/8") speaker Power stand-by: 0.6 W Maximum input power HT-CN400DVW: 45 W Dimensions Width: 430 mm (16-7/8") Height: 53 mm (2-1/8") HT-CN500DVW: 60 W Depth: 337 mm (13-1/4")
  • Page 4 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA HT-CN400DVA/HT-CN500DVA General Tuner Power source AC 220 - 240 V, 50/60 Hz Frequency range FM: 87.5 - 108 MHz Power consumption HT-CN400DVA: AM: 522 - 1,620 kHz Power on: 88 W CP-CN400F/CP-CN500F/CP-CN400C/CP-CN500C Power stand-by: 0.6 W HT-CN500DVA: Type Full range speaker system (magnetic shield) Power on: 105 W 8 cm (3-1/8") speaker...
  • Page 5: Names Of Parts

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA NAMES OF PARTS HT-CN400DVW/HT-CN500DVW Main unit (front panel) 18 19 20 21 TITLE PRESET PROG SLEEP REPEAT 1 A - B DIGITAL Pro Logic STEREO V CD MP3 29 30 31 32 1. On/Stand-by Button 16. Dolby Pro Logic Indicator 2.
  • Page 6: Remote Control

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA Main unit (rear panel) 1. FM 75 Ohms Aerial Socket 2. AM Loop Aerial Socket 3. Audio Input Sockets 1/2 4. Audio Output Sockets 5. Video Output Socket 6. Speaker Terminals 7. Cooling Fan 8. AC Power Lead 9.
  • Page 7 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA HT-CN400DVA/HT-CN500DVA Remote control 1. Remote Control Transmitter 2. Set Up Menu Button 3. Disc Tray Open/Close Button 4. Subtitle Select Button OPEN/ CLOSE STAND-BY SET UP MUTE 5. Title Select Button 6. DVD/Tuner/Auxiliary Input Select Buttons TITLE SUBTITLE LANGUAGE DISPLAY 7.
  • Page 8: Disassembly

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA DISASSEMBLY (B2)x1 Front Panel Main PWB Caution on Disassembly Follow the below-mentioned notes when disassembling Lug Wire the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take dvd disc out of the unit. 2. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit.
  • Page 9 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA Front Panel (E2)x1 (E2)x1 Lug Wire (E1)x1 ø3x6mm (E1)x3 Front ø3x6mm (B1)x4 Panel ø3x8mm (E1)x1 ø3x6mm (E2)x1 Speaker Loading Tray Mechanism (E1)x3 ø3x8mm Figure 9-1 Figure 9-4 Earphones PWB (G2)x1 (G1)x1 ø3x8mm Front Panel CP-CN400WSW/CP-CN400SW/ CP-CN500WSW/CP-CN500SW STEP REMOVAL PROCEDURE...
  • Page 10: Adjustment

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA ADJUSTMENT TUNER SECTION fL: Low-range frequency fH: High-range frequency IC001 FM IF • • • • • AM IF/RF Tracking fL Signal generator: 400 Hz, 30%, AM modulated AM Band AM LOOP Coverage fH ANTENNA Test Stage Frequency Frequency...
  • Page 11: Software Upgrading & Special Key Control

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA SOFTWARE UPGRADING & SPECIAL KEY CONTROL 1. Software Upgrading a) Burn the software "bank30.rom" in CD-R/CD-RW (lower burning speed is recommended). b) Load CD-R/CD-RW in DVD receiver. c) After finished loading, VFD will show "Read" and OSD will display "Reading".
  • Page 12: Block Diagram

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA DVD MECHANISM UNIT SDRAM FLASH 256K IC801 IC803 DVD MOTOR DVD Servo Control Drive IC LA6560 LOADER LC78663W I/O PORT 74HC32 74HC14 IC802 DVD Servo RF IC µ E XPAND LA9703W I/O PORT 74LS374*3 DATA MAIN BOARD 74LS157 Digital Audio Select...
  • Page 13: Power Board

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA POWER BOARD KEY ARRAY POWER BOARD PANNEL BOARD FLASH SDRAM EEPROM 4*16M 24C02 PIC16C54C PT6311 PANNEL BOARD S-VIDEO CVBS VIDEO FILTER IC106 ESS6028 MPEG II Decoder DTS Decoder DOLBY DIGITAL Decoder DOLBY PROG LOGIC Decoder WMA Decoder MP3 Decoder...
  • Page 14: Schematic Diagram

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA SITUATION : HT-CN400DVA/ HT-CN400DVW/ HT-CN500DVA ONLY HT-CN500DVW ONLY C024 EF001 220PF C014 T003 R007 C013 T004 T005 560P C019 100K OSC. BIAS BIAS C018 C042 JK001 VD002 33UF 0.0022 R010 1SV149B C039 ANTENNA 270K TC002 10UF TERMINAL C017 C001...
  • Page 15: Voltage

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA OUT1_A OUT1_B OUT6_A OUT6_B +3.3V +2.5V +3.3V +2.5V +3.3V GNDREF L506 C535 30uH GNDR1 OUTPL C563 C523 C526 VREG1 OUTPL 0.001 +28V EAPD VREG1 VCC1P R526 C567 +3.3V PGND1P CONFIG PGND1N C590 C595 0.001 PWRDN VCC1N C530 SPK_MUTE C634...
  • Page 16 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA SITUATION : TOPEN SW TOPEN-SW VC33 C108 C109 TRAY-REV C135 TRAY-REV 10UF VC33 R145 C107 C1008 C1007 R101 10UF TRAY-FWD 120 OHM TRAY-FWD 100K DMUTE DMUTE IC105 OSCIN R146 OSCIN 150 OHM DCLK RST 24 DCLK IMP809SEUR RESET YUV0/CAMYUV2...
  • Page 17 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA R145 C1007 120 OHM MODE AVDD R146 FB114 MCLK AGND 150 OHM R404 BCLK OUT3R C136 C409 LRCK OUT3L R401 R402 150P DVDD OUT2R 4.7K C432 10UF VCC33E DGND OUT2L DIN1 OUT1R R403 C137 C401 C407 C408 R104 IC401A...
  • Page 18 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA SITUATION : OUT1_A OUT1_B OUT6_A OUT6_B +3.3V +2.5V +3.3V +2.5V +3.3V GNDREF L506 C535 30uH GNDR1 OUTPL C563 C523 C526 VREG1 OUTPL 0.001 +28V EAPD VREG1 VCC1P R526 C567 +3.3V PGND1P CONFIG PGND1N C590 C595 0.001 PWRDN VCC1N SPK_MUTE...
  • Page 19 20µF INDUCTOR4 C598 C555 L517 30uH JK101 VCC33E VCC33E FB111 CVBS1 FB112 FB121 FB113 C623 RCA+SVIDEO KARAOKE SECTION VGND VIDEO_SW HT-CN400DVW/HT-CN500DVW ONLY C1026 C1027 C1028 C1030 0.001 0.001 0.001 0.001 C224 IC200 AGND VGND AGND CS5333 C442 C1025 C431 WM8739CE 0.001...
  • Page 20 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA SITUATION : R145 120 OHM MODE AVDD R146 FB114 MCLK AGND 150 OHM R404 BCLK OUT3R C409 LRCK OUT3L R401 R402 150P 4.7K C432 DVDD OUT2R 10UF VCC33E DGND OUT2L DIN1 OUT1R R403 C137 C401 R104 C407 C408 IC401A...
  • Page 21 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA FB111 CVBS1 FB112 FB121 C623 FB113 RCA+SVIDEO KARAOKE SECTION VGND VIDEO_SW HT-CN400DVW/HT-CN500DVW ONLY C1030 C1026 C1027 C1028 0.001 0.001 0.001 0.001 C224 IC200 AGND VGND AGND CS5333 C442 C1025 C431 WM8739CE 0.001 /RESET C203 CVBS1 33 OHM AMCLK R142...
  • Page 22 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA JK301 RB303 DISPLAY PWB-B1 CN609 MAIN PWB P19 11-6 EARPHONE PWB-B2 R301 R302 MAIN PWB P21 11-B MAIN PWB CN600 CN200 R303 P21 11-H RB304 RB302 4 5 6 7 8 9 1011121314 1 2 3 1 2 3...
  • Page 23: Fl Display

    HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA PWB-B1 DP301 FL DISPLAY R301 R302 R303 ZD301 C308 100/50 SG12 SG11/KS11 CN400DVW/ SG10/KS10 CN500DVW ONLY SG9/KS9 SG8/KS8 R308 SG7/KS7 IC301 PCON SG6/KS6 VDTR6311A LED4 SG5/KS5 C306 FL DRIVER LED3 SG4/KS4 100UF LED2 SG3/KS3 LED1 SG2/KS2 SG1/KS1 OSC1 C310...
  • Page 24 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA 0.0022/250V 0.0022/250V 0.0022/250V 0.22/275V D901B BYV26D IC903 TOP249 POWER SWITCH AC POWER SU PPLY CORD AC 220-240 V, 50/60 Hz FAN MOTOR (225) 470P/1KV 0.0022 IC905 CN601 NCP1050DIP MAIN PWB SWITCH REGULATOR P21 9-F • NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
  • Page 25 HT-CN400DVW/HT-CN400DVA/HT-CN500DVW/HT-CN500DVA C950B 0.001/1V 0.001/50 0.01 0.0022/250V 0.0022/250V T903 C952B C951B CN606 0.001/50 MAIN PWB P21 10-F 0.001/1V 0.001 0.001/1V 0.001/1KV C609 0.01 CN602 Q903B MAIN PWB 0.0047 P21 7-F IC904 TL431 VOLTAGE REGULATOR C953B R926 0.001/1KV 33 1/2W FUSE CN608...

This manual is also suitable for:

Ht-cn400dvaHt-cn500dvwHt-cn500dva