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Sharp HT-DP2500W Service Manual

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Manufactured under license from Dolby Laboratories Licens-
ing Corporation.
DOLBY, the double-D symbol
trademarks of Dolby Laboratories Licensing Corporation.
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ...................................................................................................... 1
VOLTAGE SELECTION .......................................................................................................................................................... 2
SPECIFICATIONS ................................................................................................................................................................. 2
NAMES OF PARTS ............................................................................................................................................................... 3
OPERATION MANUAL .......................................................................................................................................................... 4
DISASSEMBLY ...................................................................................................................................................................... 6
ADJUSTMENT ...................................................................................................................................................................... 8
NOTES ON SCHEMATIC DIAGRAM .................................................................................................................................... 9
BLOCK DIAGRAM ............................................................................................................................................................... 10
SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD ................................................................................................... 12
TYPES OF TRANSISTOR AND LED.................................................................................................................................... 19
FUNCTION TABLE OF IC.................................................................................................................................................... 24
FL SEGMENT ...................................................................................................................................................................... 28
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR
QACCE0008AW00
QACCL0005AW00
All manuals and user guides at all-guides.com
SERVICE MANUAL
and "PRO LOGIC" are
CONTENTS
SHARP CORPORATION
- 1 -
HT-DP2500W
HT-DP2500W home theater system consisting of
HT-DP2500W home theater system, CP-F2500W,
CP-SW2500W, CP-C2500W and CP-SR2500W.
• In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified should be used.
OPLGA0250AFZZ
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
HT-DP2500W
No. S0884HTDP2500
Page

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  • Page 1: Table Of Contents

    All manuals and user guides at all-guides.com HT-DP2500W SERVICE MANUAL No. S0884HTDP2500 HT-DP2500W HT-DP2500W home theater system consisting of HT-DP2500W home theater system, CP-F2500W, CP-SW2500W, CP-C2500W and CP-SR2500W. Manufactured under license from Dolby Laboratories Licens- ing Corporation. • In the interests of user-safety the set should be restored to its original DOLBY, the double-D symbol and "PRO LOGIC"...
  • Page 2: Ac Power Supply Cord And Ac Plug Adaptor

    All manuals and user guides at all-guides.com HT-DP2500W SERVICE MANUAL No. S0884HTDP2500 HT-DP2500W HT-DP2500W home theater system consisting of HT-DP2500W home theater system, CP-F2500W, CP-SW2500W, CP-C2500W and CP-SR2500W. Manufactured under license from Dolby Laboratories Licens- ing Corporation. • In the interests of user-safety the set should be restored to its original DOLBY, the double-D symbol and "PRO LOGIC"...
  • Page 3: Voltage Selection

    All manuals and user guides at all-guides.com HT-DP2500W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. VOLTAGE SELECTION The voltage selector is located on the AC voltage selector box. If adjustment is necessary, use a screwdriver in order to turn the selector in either direction until the correct voltage figure is displayed in the window next to the adjustment screw.
  • Page 4 All manuals and user guides at all-guides.com HT-DP2500W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. VOLTAGE SELECTION The voltage selector is located on the AC voltage selector box. If adjustment is necessary, use a screwdriver in order to turn the selector in either direction until the correct voltage figure is displayed in the window next to the adjustment screw.
  • Page 5: Names Of Parts

    All manuals and user guides at all-guides.com HT-DP2500W NAMES OF PARTS HT-DP2500W Front panel 1. Left Front Speaker Indicator 2 3 4 7 8 9 10 2. Centre Speaker Indicator 3. Right Front Speaker Indicator 4. Dolby Pro Logic Indicator 5.
  • Page 6: Operation Manual

    All manuals and user guides at all-guides.com HT-DP2500W CP-F2500W CP-C2500W Front Speaker Center Speaker 1. Tweeter 1. Woofer 2. Woofer 2. Speaker Cord 3. Speaker Cord CP-SR2500W CP-SW2500W Surround Speaker Sub woofer 1. Woofer 1. Woofer 2. Speaker Cord 2. Bass Reflex Duct 3.
  • Page 7 All manuals and user guides at all-guides.com HT-DP2500W CP-F2500W CP-C2500W Front Speaker Center Speaker 1. Tweeter 1. Woofer 2. Woofer 2. Speaker Cord 3. Speaker Cord CP-SR2500W CP-SW2500W Surround Speaker Sub woofer 1. Woofer 1. Woofer 2. Speaker Cord 2. Bass Reflex Duct 3.
  • Page 8 All manuals and user guides at all-guides.com HT-DP2500W (Continued) AM/FM Interval (span) The International Telecommunication Union (ITU) has estab- lished that member countries should maintain either a 10 kHz or a 9 kHz interval between broadcasting frequencies of any AM station. The illustration shows the 9 kHz interval zones (regions 1 and 3), and the 10 kHz interval zone (region This product is not equipped with a span selector.
  • Page 9: Disassembly

    All manuals and user guides at all-guides.com HT-DP2500W DISASSEMBLY HT-DP2500W Caution on Disassembly Follow the below-mentioned notes when disassembling Top Cabinet the unit and reassembling it, to keep it safe and ensure (A1)x2 ø3x10mm excellent performance: Front Panel 1. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit.
  • Page 10 All manuals and user guides at all-guides.com HT-DP2500W CP-F2500W CP-C2500W Top Side Top Side (A1)x1 Tweeter (A1)x1 (A2)x4 (A2)x2 ø4x13mm ø4x13mm (A2)x4 ø4x13mm Woofer Woofer Speaker Box Speaker Box Screw Driver Screw Driver Figure 7-1 Figure 7-3 CP-SW2500W CP-SR2500W Top Side...
  • Page 11: Adjustment

    All manuals and user guides at all-guides.com HT-DP2500W ADJUSTMENT TUNER SECTION • FM Detection Signal generator: 10.7 MHz, FM sweep fL: Low-range frequency fH: High-renge frequency Frequency Frequency Setting/ Test Stage Instrument Display Adjusting Connection • FM RF Parts Signal generator: 1 kHz, 75 kHz dev., FM modulated 10.7 MHz...
  • Page 12: Notes On Schematic Diagram

    All manuals and user guides at all-guides.com HT-DP2500W EXPLANATION OF AUTOMATIC SOUND VALUE CORRECTION CONTROL 1. Outline The recent trend is toward rise of CD record level in the world, for example rock, dancing music, etc. In case of continuous high level playback G-EQ (graphic equalizer) and VOL (Volume) are controlled (lowered) automatically after a lapse of specific time (10 minutes) so as to get the easy-to-listen sound level.
  • Page 13 All manuals and user guides at all-guides.com HT-DP2500W EXPLANATION OF AUTOMATIC SOUND VALUE CORRECTION CONTROL 1. Outline The recent trend is toward rise of CD record level in the world, for example rock, dancing music, etc. In case of continuous high level playback G-EQ (graphic equalizer) and VOL (Volume) are controlled (lowered) automatically after a lapse of specific time (10 minutes) so as to get the easy-to-listen sound level.
  • Page 14: Block Diagram

    All manuals and user guides at all-guides.com HT-DP2500W BAND PASS MUTING IF AMP CF202 FILTER IC201 FM IF FM IF FM FRONT END Q202 Q281 BF201 CF201 AM IF AM IF TA7358AP T204 CF203 TUNER FM IF IN MUTE SOC201...
  • Page 15 All manuals and user guides at all-guides.com HT-DP2500W FL DISPLAY M671 Q632 FAN MOTOR Q633 21 22 23 24 LED1 SW23 STAND-BY LED PROTECT LED2 STAND-BY DIAL TIMER LED SPSWB SW2-SW8 (AC) (AC) SPSWA SW9-SW15 SW-RLAY KEY MATRIX C-RLAY R-RLAY...
  • Page 16 All manuals and user guides at all-guides.com HT-DP2500W CNP201 TUN_CK TUN_DO TUN_CE TUN_DI D_GND TUN_SD CNS201 TUN_ST TO TUNER PWB TUN_MUTE P18 5-A A+12V TUN_R A_GND R479 TUN_L C455 R480 C453 FUN_SW PROTECT H/P_SW 4.7V SW_MUTE C_MUTE C484 4.7V DC-OUT3 0.47/50...
  • Page 17 All manuals and user guides at all-guides.com HT-DP2500W Q531 2SC2878 B H-MUTE R531 SP_LEVEL 4.7K (0.7V) R532 PROTECT FAN_SW C554 330/16 X451 8MHz R533 (0.7V) 4.7K R465 H-MUTE 2.3V 2.1V C476 220/16 D_GND 5.2V 4.7V C473 A+12V 0.082 A_GND C474 4.7V...
  • Page 18 All manuals and user guides at all-guides.com HT-DP2500W FM SIGNAL Q705 OVER CURRENT MAIN PWB-A1(2/2) L701 IC701-IC705 KTC3199 GR DETECTOR 0.3mH POWER AMP. 5.0V R727 D701 1N4148 D703 R725 R717 R701 C701 C719 6.8K 220P 1N4148 FRONT_L 2.9V C715 0.022...
  • Page 19: Voltage Selector

    All manuals and user guides at all-guides.com HT-DP2500W CNP613 FRONT L-CH FRONT L-CH GND FRONT R-CH GND D634 ZD633 MTZJ4.7C 1N4148 FRONT R-CH C642 SO701 R630 C666 D738 R628 10.9V 47/50 D633 SPEAKER (6.0V) 3.9K 0.01 1N4148 R629 C667 1N4148 10.9V...
  • Page 20 All manuals and user guides at all-guides.com HT-DP2500W DISPLAY PWB-C1 FL DISPLAY 0.8V(–2.1V –32.6V 75 74 73 7 2 7 1 70 69 68 67 66 65 64 6 3 6 2 1 6 6 0 59 58 57 56 55 54 53 52 51 –28.8V...
  • Page 21 All manuals and user guides at all-guides.com HT-DP2500W ON STAND-BY R120 R121 R122 R123 R124 R125 0.47/50 1.8K 1.8K 2.7K KEY1 3.9K 5.6K DOLBY TIMER EQUALIZER X-BASS ENTER VOLUME VOLUME SWITCH PWB-C5 /SLEEP PROLOGIC DOWN KEY2 R127 TO MAIN PWB...
  • Page 22 All manuals and user guides at all-guides.com HT-DP2500W TO MAIN PWB P12 2-A CNP201 CNS201 9 10 11 12 Q202 FM ST:4.6V KRC104 M FM/AM:0V C250 C255 R229 0.001 2.7K MUTING 0.022 FM IF DET./FM MPX./AM IF IC203 R228 R230 C245 3.9K...
  • Page 23: Types Of Transistor And Led

    All manuals and user guides at all-guides.com HT-DP2500W C250 R227 C251 R229 R228 C253 R230 Q202 C254 R237 R249 C252 R248 C247 C273 CNP201 R246 R253 C243 C244 TO MAIN PWB R247 C255 P21 7-A C230 ZD201 R222 R236 C272...
  • Page 24 All manuals and user guides at all-guides.com HT-DP2500W MAIN PWB-A1 C480 COLOR TABLE C479 C455 BROWN C483 C478 C453 RD(R) C484 ORANGE R474 YELLOW C490 C477 R587 R589 GREEN C492 R475 C583 C491 BLUE C493 C495 IC452 1 2 3 4...
  • Page 25 All manuals and user guides at all-guides.com HT-DP2500W TO TUNER PWB CNS201 P19 1-B R418 R479 CNP201 C408 C416 C406 R406 IC411 C407 C415 R587 R589 R405 E C B R585 C583 C405 R480 R419 C425 1 2 3 4...
  • Page 26 All manuals and user guides at all-guides.com HT-DP2500W VOLUME UP CNS6A4 CNS6B4 1 2 3 CNS5 R125 VOLUME DOWN CNP5 R124 TO MAIN PWB P20 1-D BI6A4 SUB WOOFER BI6B4 VOLUME ENTER X-BASS R123 SW601 VOLTAGE SELECTOR CNP1A VOLTAGE SELECTOR...
  • Page 27 All manuals and user guides at all-guides.com HT-DP2500W 1 2 3 4 5 CNP603 CNP601 T602 POWER TRANSFORMER COLOR TABLE BROWN RD(R) ORANGE YELLOW GREEN BLUE T.F. VIOLET GRAY 110V WH(W) WHITE BLACK 127V PINK 220/230-240V CNP602 F611 T 800mA L 250V CNS602 POWER AMP.
  • Page 28 All manuals and user guides at all-guides.com HT-DP2500W C250 R227 C251 R229 R228 C253 R230 Q202 C254 R237 R249 C252 R248 C247 C273 CNP201 R246 R253 C243 C244 TO MAIN PWB R247 C255 P21 7-A C230 ZD201 R222 R236 C272...
  • Page 29: Function Table Of Ic

    All manuals and user guides at all-guides.com HT-DP2500W FUNCTION TABLE OF IC IC1 RH-iX0001SJZZ: System Microcomputer (IX0001SJ) (1/2) Pin No. Port Name Input/ Function Terminal Name Output P00/TXD/SBO0 TUN_DI Output Data output terminal to the tuner PLL IC P01/RXD/SBI0 TUN_DO...
  • Page 30 All manuals and user guides at all-guides.com HT-DP2500W IC1 RH-iX0001SJZZ: System Microcomputer (IX0001SJ) (2/2) Pin No. Port Name Input/ Function Terminal Output Name P66/DGT16 SW_RLAY Output Woofer speaker protective relay control, output "H" = RLAY CLOSE, "L" = RLAY OPEN...
  • Page 31 All manuals and user guides at all-guides.com HT-DP2500W IC501 VHiLC75396N-1: Audio Processor (LC75396N) Pin No. Terminal Name Function RF1C1-RF1C3 Terminal to connect capacitor of filter configuration for equalizer F1 band Connect the capacitor between LF1C1(RF1C1) and LF1C2(RF1C2) between LF1C2 (RF1C2) and LF1C3(RF1C3).
  • Page 32 All manuals and user guides at all-guides.com HT-DP2500W IC1 RH-iX0001SJZZ: System Microcomputer (IX0001SJ) TUN_DI TUN_DO TUN_CK TUN_CE TUN_MUTE TUN_SD TUN_ST OSC2 OSC1 IX0001SJ MMOD VREF KEY1 KEY2 KEY3 AREA SP_LEVEL MODEL POSISTOR LED1 VREF+ PROTECT IC203 VHiLA1833//-1: FM IF Det./FM MPX./AM IF (LA1833)
  • Page 33: Fl Segment

    All manuals and user guides at all-guides.com HT-DP2500W IC452 VHiLV1035M/-1: Dolby Pro Logic Decorder (LV1035M) MODE GND L-BPF2 L-BPF1 RT-IN LT-IN BPF1 BPF2 CLK DATA ENABLE DATA CLK L-BPF3 DC-OUT3 R-RECT DC-OUT4 L-RECT 23PIN 15PIN VLR-TH VLR-1 DC-OUT VLR-2 DC-OUT...
  • Page 34 All manuals and user guides at all-guides.com HT-DP2500W IC452 VHiLV1035M/-1: Dolby Pro Logic Decorder (LV1035M) MODE GND L-BPF2 L-BPF1 RT-IN LT-IN BPF1 BPF2 CLK DATA ENABLE DATA CLK L-BPF3 DC-OUT3 R-RECT DC-OUT4 L-RECT 23PIN 15PIN VLR-TH VLR-1 DC-OUT VLR-2 DC-OUT...
  • Page 35: Parts Guide

    “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order. 1. MODEL NUMBER 2. REF. No. 3. PART NO. 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free;...
  • Page 36 All manuals and user guides at all-guides.com HT-DP2500W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK ZD621 VHEMTZJ120B-1 AC Zener,12V,MTZJ12B HT-DP2500W ZD630 VHEMTZJ110A-1 AA Zener,11V,MTZJ11A ZD632 VHEMTZJ5R1A-1 AB Zener,5.1V,MTZJ5.1A INTEGRATED CIRCUITS ZD633 VHEMTZJ4R7C-1 AC Zener,4.7V,MTZJ4.7C FILTERS RH-IX0001SJZZ BE System Microcomputer,...
  • Page 37 All manuals and user guides at all-guides.com HT-DP2500W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 0.022 µF,50V AB 220 µF,16V,Electrolytic C224 VCKYPA1HF223Z C476 RC-GZA227AF1C AA 0.022 µF,25V C225 VCKYTV1EF223Z C477 VCKYPA1HB681K AA 680 pF,50V AA 0.047 µF,25V...
  • Page 38 All manuals and user guides at all-guides.com HT-DP2500W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AB 0.1 µF,50V,Mylar C719~722 VCQYKA1HM104K J R162 VRS-TV2AB473J AA 47 kohms,1/10W C741 VCKYPA1HB221K AA 220 pF,50V R163~165 VRS-TV2AB103J AA 10 kohm,1/10W C742...
  • Page 39 All manuals and user guides at all-guides.com HT-DP2500W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK R469~472 VRD-ST2CD104J AA 100 kohm,1/6W R761 VRD-ST2CD102J AA 1 kohm,1/6W R474~476 VRD-ST2CD102J AA 1 kohm,1/6W R762 VRD-ST2CD332J AA 3.3 kohms,1/6W R479,480 VRD-ST2CD102J...
  • Page 40 All manuals and user guides at all-guides.com HT-DP2500W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK QSW-K0005AWZZ J AC Switch,Key Type [Volume Down] QPLGA0250AFZZ AF Adaptor,AC Plug QSW-K0005AWZZ J AC Switch,Key Type [Volume Up] [Except for Australia] QSW-K0005AWZZ J...
  • Page 41 All manuals and user guides at all-guides.com HT-DP2500W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK CP-C2500W SPEAKER BOX PARTS (Center Speaker) 9GDYFY910Z002 AU Net Frame Ass’y 9GDYFY910Z003 AR Speaker Box Ass’y 9GDYFY910Q008 AK Duct Pipe 9GDSPT-C23B AE Terminal,Speaker 9GDYFY910Q013 AE Screw,ø4×12mm...
  • Page 42 All manuals and user guides at all-guides.com HT-DP2500W HT-DP2500W 237 [Thailand Only] 601x2 601x11 PWB-C6 SW601 603x4 230x2 601x2 221x6 T601 602x2 PWB-C2 603x2 Silicon Grease T602 PWB-C3 Silicon Grease D630 612x2 611x5 PWB-B IC704 221x2 IC701 IC703 IC702 611x4...
  • Page 43 All manuals and user guides at all-guides.com HT-DP2500W CP-F2500W 706x4 SP3 (L-CH) SP4 (R-CH) 705x2 SP1(L-CH) SP2(R-CH) 705x4 C1,C2 Capacitor 3.3µF,50V(N.P) WOOFER TWEETER SP1(L-CH) SP3(L-CH) SP2(R-CH) SP4(R-CH) TWEETER SP3(L-CH) C1,C2 SP4(R-CH) Capacitor 3.3µF,50V(N.P) WOOFER SPEAKER SP1(L-CH) TERMINAL(704) SP2(R-CH) SPEAKER TERMINAL(704) Figure 8 FRONT SPEAKER EXPLODED VIEW (1/4) –...
  • Page 44 All manuals and user guides at all-guides.com HT-DP2500W CP-SW2500W 709x4 708x4 704x4 WOOFER SPEAKER TERMINAL(707) Figure 9 SUB WOOFER SPEAKER EXPLODED VIEW (2/4) – 38 – – 9 –...
  • Page 45 All manuals and user guides at all-guides.com HT-DP2500W CP-C2500W 706x4 705x4 WOOFER SPEAKER TERMINAL(704) Figure 10-1 CENTER SPEAKER EXPLODED VIEW (3/4) CP-SR2500W 705x4 707x2 WOOFER SP1(L-CH) SP2(R-CH) 704x4 SP1(L-CH) SPEAKER SP2(R-CH) TERMINAL(703) Figure 10-2 SURROUND SPEAKER EXPLODED VIEW (4/4) – 10 –...

This manual is also suitable for:

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