Loewe INDIVIDUAL SOUND PROJECTOR Service Manual
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Loewe INDIVIDUAL SOUND PROJECTOR Service Manual

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See also: Operating Manual
SERVICEANLEITUNG
Service Manual. Manuel de Service. Manuale di Servizio.
Instrucciones de servicio. Service-instructies.
INDIVIDUAL SOUND PROJECTOR
SOUND PROJECTOR
230- 98287.007
LOEWE INDIVIDUAL
SOUND PROJECTOR
Art.-Nr. 67201

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  • Page 1 SERVICEANLEITUNG SOUND PROJECTOR Service Manual. Manuel de Service. Manuale di Servizio. 230- 98287.007 Instrucciones de servicio. Service-instructies. LOEWE INDIVIDUAL SOUND PROJECTOR Art.-Nr. 67201 INDIVIDUAL SOUND PROJECTOR...

  • Page 2: Table Of Contents

    SOUND PROJECTOR SERVICEANLEITUNG Service Manual. Manuel de Service. Manuale di Servizio. Instrucciones de servicio. Service-instructies. CONTENTS TO SERVICE PERSONNEL FRONT PANEL REAR PANELS REMOTE CONTROL SPECIFICATIONS INTERNAL VIEW SET MENU SERVICE PRECAUTIONS DISASSEMBLY PROCEDURES 7–13 UPDATING FIRMWARE 14–24 SELF DIAGNOSIS FUNCTION (DIAG) 25–42 DISPLAY DATA IC DATA...

  • Page 3: To Service Personnel

    SOUNDPROJECTOR ■ TO SERVICE PERSONNEL AC LEAKAGE WALL EQUIPMENT TESTER OR 1. Critical Components Information OUTLET UNDER TEST EQUIVALENT Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Models Only) When service has been completed, it is imperative to verify INSULATING that all exposed conductive surfaces are properly insulated...
  • Page 4 SP-1 FRONT VIEW REAR VIEW...
  • Page 5 Only for specialist staff (page 22) ......Sound field programme "Film" Sound field programme "Sport" ....... (page 22) (page 22) ....... Sound field programme "Music" Sound field programme off ......(page 22) Loewe TV: Function depending on model Control-Button: = Enter = Return...

  • Page 6: Specifications

    SP-1 ■ SPECIFICATIONS / 参考仕様 ■ Amplifier Section / ア • DIMENSIONS / 寸法図 Maximum Power (EIAJ) Power Consumption / 消費電力 ..........50 W Woofer [3 ohms, 100 Hz, 10% THD] ........ 20 W/ch Standby Power Consumption (Reference Data考値） Tweeter [4 ohms, 1 kHz, 10% THD] ........2 W/ch ................
  • Page 7 SP-1...

  • Page 8: Service Precautions

    SP-1 ■ SERVICE PRECAUTIONS / サービス時の注意事項 安全対策 Safety measures • Some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during servicing, such as wearing insulating gloves. • Note that C523 on the INPUT (1) P.C.B. is dangerous even after the power is turned off because an electric charge remains and a high voltage continues to exist there.
  • Page 9 SP-1 1. Removal of Top Panels and Plate/Top 1. トップパネル、プレート/トップの外し方 a. Remove 8 screws (1). (Fig. 1) b. Remove 2 top panels. c. Remove 2 screws (2). (Fig. 1) d. Remove the plate/top. Top panel Plate/ top Top panel Fig. 1 Rear panel Fig.

  • Page 10: Front Panel

    SP-1 2. シールドユニットの外し方 2. Removal of Shield Unit a. Remove 22 screws (3). (Fig. 2) b. Remove the rear panel. c. Remove 18 screws (4). (Fig. 3) d. Remove CB2, CB3, CB4, CB504, CB507 and CB508. (Fig. 3) e. Remove 5 pad LNs. f.
  • Page 11 SP-1 3. Removal of INPUT (1) and (2) P.C.B.s 3. INPUT （ 1） 、 （2） P.C.B.の外し方 a. Remove 6 screws (5), 8 screws (6) and 2 jack screws (7). (Fig. 4) b. Remove CB4. (Fig. 4) c. Remove the INPUT (2) P.C.B.. d.
  • Page 12 SP-1 5. フロントパネルユニットの外し方 5. Removal of Front Panel Unit a. Remove 4 screws (B). (Fig. 6) b. Remove 2 cover FPs. c. Remove CB3 and CB303. (Fig. 6) d. Remove 4 screws (C). (Fig. 6) e. Remove 2 cover BTMs. f.
  • Page 13 SP-1 Sound absorber Support/ DSP Support/ DSP C Support/ DSP Fig. 9 Fig. 10 スピーカーユニット （ツイーター） の取り付け方 Installation of Driver (Tweeter) Caution : Make sure that all the removed driver (tweeter) parts are reinstalled at specified positions. (Fig. B) CB510 CB509 CB711 CB712...
  • Page 14 SP-1 8. スピーカーユニット （ウーファー） の外し方 8. Removal of Driver (Woofer) a. Remove 4 screws (J). (Fig. 11) b. Remove the side covers L/R. c. Remove the plate/cover. d. Remove 4 screws (K). (Fig. 11) e. Remove the plate/side. f. Remove 18 screws (L). (Fig. 11) g.

  • Page 15: Updating Firmware

    SP-1 ■ UPDATING FIRMWARE / ファームウェアーの書き込み After replacing the following parts with the replacement parts, update the firmware. IC11 of P.C.B. ASS’Y DSP : X8046B00 ... Writing of DSP IC17 of P.C.B. ASS’Y DSP : X8045B00 ... Writing of DSP APPLICATION / SPID IC26 of P.C.B.
  • Page 16 SP-1 ● Operation Procedure ● 操作方法 Writing of CPU 1. Install DSP_FLASHER(YSP).exe into the PC. 2. Before turning on the power to YSP-1100 and PC, con- nect between RS232C ports with the RS232C cable 2. YSP-1100とPCの電源を入れる前に、それぞれのRS232C (cross cable). (Fig. 1) RS-232C cable Bottom view RS-232C port...
  • Page 17 SP-1 5. Select the data to be transmitted and port. ・ MOT FILE · MOT FILE Select “SA25_vx.mot”. · RS232C ・ RS232C Select the port of RS-232C. Press this button to open the window このボタンを押すとウィンドウが開きます Select the firmware ファームウェアを選択します Select the port of RS-232C 接続しているRS-232Cポートを選択します...
  • Page 18 SP-1 7. When the program transmission is completed, the screen appears as shown below. The press the [OK] button to end the procedure. 8. Disconnect the power cable of YSP-1100 from the AC outlet. Writing of DSP 1. Install DSP_FLASHER(YSP).exe into the PC. 2.
  • Page 19 SP-1 4. Select “YSP DSP” tag. 5. Select the data to be transmitted and port. · DSP HEX FILE ・ DSP HEX FILE Select “YSPx00_verxxxx.hex”. ・ RS232C · RS232C Select the port of RS-232C. Select YSP DSP YSP DSPを選択します Press this button to open the window このボタンを押すとウィンドウが開きます...

  • Page 20: Remote Control

    SP-1 7. Connect the power cable of YSP-1100 to the AC outlet. While pressing the “VOL+” key and “VOL-” key of the YSP-1100, press the “STANDBY/ON” key of the re- mote control to activate the DIAG function. 1 Using the “UP” or “DOWN” key of the remote control, select the DIAG menu in the figure below.
  • Page 21 SP-1 9. Check the SUM. After downloading successfully, the value of “SUM from SET” is appeared. The procedure is completed when the value is obtained for “SUM from FILE” and “SUM from SET”. Confirm the value of SUM SUM値を確認します 10.Press the “STANDBY/ON” key of the YSP-1100 to turn off the power.
  • Page 22 SP-1 Writing of DSP APPLICATION / SPID 1. Install spDownloader_2_0_x_xxx.exe into the PC. 2. Before turning on the power to YSP-1100 and PC, connect between RS232C ports with the RS232C cable (cross cable). (Fig. 1) 3. Connect the power cable of YSP-1100 to the AC outlet. While pressing the “VOL+”...
  • Page 23 SP-1 5. Select the data to be transmitted and port. ・COM Port · COM Port Select the port of RS-232C. · D/load Protocol ・D/load Protocol SPMプロトコルを選択します。 Select “SPCM protocol” Select the port of RS-232C 接続しているRS-232Cポートを選択します Select SPCM protocol SPCMプロトコルを選択します 6. Select firmware and execute writing as follows. First, select DSP APPLICATION and perform steps 1 to 5 for writing.
  • Page 24 SP-1 2 Confirm Software Target and press the [Download] button. Firm Software Target DSP application SPCM Application SPID SPCM init Data * When Source Filename is selected, Software Target box is selected automatically. * If Software Target is different, confirm again Source Filename or re-open spDownloader.
  • Page 25 SP-1 7. Press the “STANDBY/ON” key of the YSP-1100 to turn off the power. 8. While pressing the “VOL+” key and “VOL-” key of the YSP-1100, press the “STANDBY/ON” key of the re- mote control to activate the DIAG function. 1 Using the “UP”...
  • Page 26 SP-1 ■ SELF DIAGNOSIS FUNCTION (DIAG) / 自己診断機能（ダイアグ） There are 14 DIAG menu items, each of which has sub- menu items. Listed in the table below are menu items and sub-menu items. DIAG MENU SUB MENU DSP THROUGH 1. ALL 2.
  • Page 27 SP-1 DIAG MENU SUB MENU 11. BS 2 12. BS 3 13. BS 4 14. BS 5 15. BS 6 16. BS 7 17. DS 1 18. DS 2 19. T 11 20. T 12 21. T 13 22. T 21 23.
  • Page 28 SP-1 • Starting DIAG ● ダイアグの起動 To activate the DIAG function, press the “STANDBY/ON” key of the remote control while pressing the keys of the main unit as shown below at the same time. Keys of main unit  Turn on the power while pressing these keys. •...
  • Page 29 SP-1 DIAGNOSTIC MENU 1.DSP THR  8.PRESET 2.RAM THR  9.AD CHECK 3.PRO LOGIC 10.IF STATUS 4.MIC CHECK 11.MODEL 5.VFD CHECK 12.VER/SUM 6.MAN LTEST 13.DATE 7.RS232C 14.DSP CHECK The FL display of the main unit displays the protection function history data and the version (1 alphabet) and the DIAG menu [sub-menu (THR ALL) of DIAG menu No.1 DSP THROUGH] a few seconds later.

  • Page 30: Set Menu

    SP-1 • History of protection function ● プロテクションの履歴 When the protection function has worked, its history is プロテクションが働いた場合、履歴をバックアップして stored in memory with a backup. Even if no abnormality 記憶しています。サービスのときに異常が認められなく is noted while servicing the unit, an abnormality which ても、バックアップが残っていれば、お客様のところで has occurred previously can be defined as long as the 起きた異常を区別できます。...
  • Page 31 SP-1 • Details of DIAG menu ● ダイアグメニュー詳細 With full-bit output specified in some modes, it is possible to execute 0dBFS output without head margin in each channel. 1. DSP THROUGH 1. DSP THROUGH The signal is not changed into beam and output from the channel specified by the sub-menu.
  • Page 32 SP-1 [ DD/dts/AAC multi ] OPT1 TI-DSP Ti-DSP OPT2 SL/SR SL/SR COAX C/LFE C/LFC LFE&BASS Analog1 YSS-930 YSS-930 YSS-930 Analog2 SWFR TXn(beam) TXn(beam) TXn(beam) WFL/WFR [ PCM ] OPT1 TI-DSP Ti-DSP OPT2 COAX L/LFC L&BASS Analog1 YSS-930 YSS-930 YSS-930 Analog2 SWFR TXn(beam) TXn(beam)
  • Page 33 SP-1 2. RAM THROUGH 2. RAM THROUGH The signal is not changed into beam and output from the channel specified by the sub-menu. When 2CH signals are input, they are distributed as fol- lows at DSP#1. L CH ..FRONT L, SURROUND L, CENTER, LFE R CH ..
  • Page 34 SP-1 [ DD/dts/AAC multi ] OPT1 TI-DSP Ti-DSP OPT2 SL/SR SL/SR COAX C/LFE C/LFC LFE&BASS Analog1 YSS-930 YSS-930 YSS-930 Analog2 SWFR TXn(beam) TXn(beam) TXn(beam) WFL/WFR [ PCM ] OPT1 TI-DSP Ti-DSP OPT2 COAX L/LFC L&BASS Analog1 YSS-930 YSS-930 YSS-930 Analog2 SWFR TXn(beam) TXn(beam)
  • Page 35 SP-1 3. PRO LOGIC / NEO6 3. PRO LOGIC / NEO6 PRO LOGIC I, II, Neo:6 can be selected from the sub- menu items. PRO LOGIC I (PRO LOGIC EMULATION) PRO LOGIC I （PRO LOGIC EMULATION） PRO LOGIC II PRO LOGIC II Neo:6 Neo:6 OPT1 TI-DSP Ti-DSP OPT2 SL/SR SL/SR COAX C/LFC...
  • Page 36 SP-1 5. DISPLAY CHECK 5. DISPLAY CHECK This program is used to check the FL display section. The display condition varies as shown below according to the sub-menu operation. The signals are processed using EFFECT OFF (The L/R signal is output using ANALOG MAIN BYPASS.) The video signal internal/external synchronization switching is controlled by the microprocessor.
  • Page 37 SP-1 6. MANUAL TEST 6. MANUAL TEST The noise generator with a built-in DSP outputs the test noise through the channels specified by the sub-menu. The noise frequency for LFE is 35 to 250 Hz. Other than that, the center frequency is 800Hz. TEST ALL TEST FRONT L TEST CENTER...
  • Page 38 SP-1 8. FACTORY PRESET 8. FACTORY PRESET This menu is used to reserve and inhibit initialization of the back-up RAM. The signals are processed using EFFECT OFF. (The L/R signal is output using ANALOG MAIN BYPASS.) PRESET INHIBIT (Initialization inhibited) RAM initialization is not executed. Select this sub-menu to protect the values set by the user.
  • Page 39 SP-1 10. IF STATUS (Input function status) 10. IF STATUS Using the sub-menu, the status data is displayed one after another in the hexadecimal notation. During signal processing, the status before execution of this menu is maintained. * Numeric values in the figure example are for reference.
  • Page 40 SP-1 11. MODEL 11. MODEL The information on the model, destination and video format is displayed. MODEL SETTING MODEL SETTING DESTINATION DESTINATION J, UC, BGATL or KV is displayed. VIDEO FORMAT VIDEO FORMAT NTSC (U, C, K, V, J models) PAL (T, A, B, G, E, L models) 12.
  • Page 41 SP-1 13. DATE 13. DATE There are 6 sub-menu items. The updated date of the program, clearance of the protection history and the remote control reception code are displayed. When Remo Code menu is selected, keys become non- operable due to detection of the values of all keys. However, it is possible to advance to the next sub- menu by push the “INPUT”...
  • Page 42 SP-1 14. DSP CHECK 14. DSP CHECK Tx Test Ch Tx Test Ch Have the sound produced from each driver to check its condition and installation position. Use the “ENTER” and “RETURN” keys of the remote control for selection. T15 T14 T13 T12 T11 T10 T09 T08 T07 T04 T03 T02 T01 T29 T28 T27 T26 T25 T24 T23 T22 T21 T18 T17 T16...
  • Page 43 SP-1 RS232C RS232C Select the protocol of RS-232C connection. It select it at the time of writing IC17. / Cert Mode Cert Mode Select the special mode for testing. * Be sure to set to “OFF” The version of T1(DSP) is displayed. Not applied to this model.

  • Page 44: Display Data

    SP-1 ■ DISPLAY DATA ● V1 : 15-BT-99GNKF (WE204600) PATTERN AREA ● PIN CONNECTION Pin No. Connection Pin No. 24 23 22 21 20 19 Connection P32 P33 P34 P35 NX NX Note : 1) F1, F2 ..Filament 2) NP ..No pin 3) NX ..
  • Page 45 SP-1 ■ IC DATA IC26 : M30626FJPFP (DSP P.C.B) 16-bit Microprocessor Port P0 Port P1 Port P2 Port P3 Port P4 Port P5 Port P6 <VCC2 ports> <VCC1 ports> Internal peripheral functions A/D converter System clock (10 bits 8 channels generation circuit Timer (16-bit) Expandable up to 26 channels)
  • Page 46 SP-1 IC26 : M30626FJPFP (DSP P.C.B) IC26 : M30626FJPFP (DSP P.C.B) 16-bit Microprocessor 16-bit Microprocessor Pin No. Port Function Definition Function Pin No. Name Definition PO96 Data output to FL driver Clock signal to EEPROM FL_TXD PO40 PO95 FL_CLK Clock output to FL driver Terminated PO37 PO94...

  • Page 47: Block Diagrams

    SP-1 ■ BLOCK DIAGRAMS AUDIO/VIDEO SECTION IC24 IC516 29,35 DRIVER YDA138 • See page 61-63 → DIGITAL WOOFER R SCHEMATIC DIAGRAM RMCK INPUT IC716 XTAL Woofer 24.576MHz 29,35 DRIVER YDA138 28,29 WOOFER L DVD (U,C,T,K,A, 2 7 24MT B,G,E,L,V models)/ 3 1 2 AUX (J model) IC12...
  • Page 48 SP-1 POWER SUPPLY SECTION • See page 67 → • See page 66 → INPUT(1) INPUT(2) SCHEMATIC DIAGRAM SCHEMATIC DIAGRAM T502 D522 D510 TH501 MGND +12A SWITCHING D542 D528 POWER SUPPLY IC510 +12V C556 +5VA +5VA D523 IC509 C543 AGND A12V Q505 (+12A)
  • Page 53 SP-1 • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location D501 D507 IC502 IC510 Q501 D502 D508 IC503 IC512 Q502 AMP (2) P.C.B. (Side A) D503 D509 IC504 IC513 D504 D510 IC505 IC514 D505...
  • Page 54 SP-1 • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location D701 D707 IC702 IC710 Q701 D702 D708 IC703 IC712 Q702 AMP (1) P.C.B. (Side A) D703 D709 IC704 IC713 D704 D710 IC705 IC714 D705...

  • Page 59: Pin Connection Diagram

    SP-1 ■ PIN CONNECTION DIAGRAM • ICs • Diodes 1Z180 1SS133 MA8036 SB01-05Q AN77L04 NJM78M05FA NJM2068MD-TE2 S-29630AFJA PLT421 PQ1CZ41H2Z μPC4570G2 NJM78L09A-T3 NJM78M12FA 1Z330 1SS355 MA8051-M AK09V0 1SS380 MA8062-M NJM2717M D1NL20U RB501V-40 MA8068-M Anode ERA22 UDZ5.1B MA8091-M Anode MTZJ27D MA8100-M MA8110-H MA8150-H Cathode MA8240-H...
  • Page 60 SP-1 MEMO MEMO MEMO MEMO...

  • Page 64: Schematic Diagrams

    DSP DIAGRAMS IC9: W9816G6CH-7 IC6: SN74AHC1G08DCKR IC8: SN74LV245APWR IC10: WM8738 IC11: S29AL004D70TFI0 512K x 2 banks x 16 bits SDRAM 2-input positive-AND gate Octal bus transceivers with 3-state outputs 24bit stereo ADC 4M-bit COMS 3.0 volt-only boot sector flash memory CLK 35 CLOCK BUFFER...
  • Page 65 SP-1 DRIVER AMP 1/2 (WOOFER) Page 63 to DSP_CB8 No replacement part available. サービス部品供給なし Page 67 to INPUT (1)_CB504 AMP (2) DRIVER x 5 DRIVER x 5 DRIVER x 5 DRIVER x 5 IC516: YDA138 IC501, 502, 505, 506, 509, 510, 512-515: YDA139 (TWEETER) (TWEETER) (TWEETER)
  • Page 66 SP-1 AMP 2/2 DRIVER (WOOFER) Page 63 to DSP_CB9 No replacement part available. サービス部品供給なし Page 67 to INPUT (1)_CB507 AMP (1) IC716: YDA138 IC701, 702, 705, 706, 709, 710, 712-715: YDA139 Digital audio power amplifier Digital audio power amplifier DRIVER x 5 DRIVER x 5 DRIVER x 5 DRIVER x 5...
  • Page 69 INPUT DIAGRAMS IC1: TC74HCU04AFEL IC3: MAX3232CDWR IC5: PC4570G2-T1-A IC2: BA7611AF-E2 IC4: TC4052BF IC6: NJM2585M 3V to 5.5V multichannel Hex inverters Video signal switcher Analog multiplexers/demultiplexers Dual operational amplifier Wide band 3-input 1-output 3-circuit video amplifier RS-232 line driver/receiver MUTE CH1 IN1 CH1 OUT Driver X-COMMON...
  • Page 71 OPERATION DIAGRAMS IC1: M66003-0101FP FL display driver Display code CGROM (35 bit x 166) (8-bit x 60) Segment Code output write circuit CGROM /CEFL Serial dot data IC801: NJM2068MD-TE2 data (35 bit x 16) write receive CKFL Code/ circuit Dual operational amplifier DTFL command control...
  • Page 72 67201T00/67201W00 ■ OVERALL ASSEMBLY • The inside of the Rear Cover 67201W00 model 3-168 3-162 3-168 3-162 3-168 67201T00 model 3-11 3-168 3-162 3-168 3-168 1-167 1-15 1-32 7 (2) 1-169 3-21 7 (3) 67201W00 model 1-168 1-169 1-169 1-10 3-161 6 (2) 1-21...

  • Page 73: Packing Parts

    67201T00/67201W00 ■ PACKING PARTS 1 pair Front Front 1 pair...

  • Page 74: Packing Assy

    SP-1 PACKING ASSY...
  • Page 75 SP-1 WIRING Connecting to Loewe TV sets with RS-232C system interface...
  • Page 76 SP-1 WIRING Connecting to Loewe TV sets without RS-232C system interface...
  • Page 77 SP-1 WIRING Connecting the accessories...
  • Page 78 SP-1...
  • Page 79 SP-1...
  • Page 80 SP-1...
  • Page 81 SP-1 • KEY CODE Function Key no. Code Assist J model ー – – ー – – – ー – – ー – チューナー 78-DF ビデオ 78-49 78-4A 78-DE テレビ 78-DF TV INPUT1 テレビ 入力 1 TV INPUT2 テレビ 入力 2 テレビ マクロ TV MACRO (–) 音量モード...
  • Page 82 SOUND PROJECTOR LOEWE...

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