Classe Audio SSP-75 Service Manual
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Classe Audio SSP-75 Service Manual

Classe Audio SSP-75 Service Manual

Preamplifier/processor
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Summary of Contents for Classe Audio SSP-75

  • Page 4 FACE PLATE ASSEMBLY) SSP-75 D IG D IG D IG D IG I/ P I/ P D IG D IG 1 MS-2347 PHILIPS 2 L273XR01 3 L274XR03 Classé - 4...

  • Page 5: Top View

    FACE PLATE ASSEMBLY) SSP-75 TOP VIEW 1 N-4K 2 SDB161PVB20F 3 Flat Washer 4 Nut 5 L273XR01 6 6-32 x 1/4 SHSS 7 L214XR01-S Classé - 5...

  • Page 6: Chassis Rear View

    CHASSIS REAR VIEW SSP-75 1 D501-J12-S2-15-DQ 6 N-1K 2 Jack 7 656-042 3 4-40 x 3/8 BHCS 8 EAC-333 4 Balanced 9 6-32 x 3/8 BHCS 5 4-40 x 3/8 BHCS Classé - 6...
  • Page 7 CHASSIS REAR VIEW SSP-75 1 Jack 5 Jack 2 4-40 x 3/8 BHCS 6 4-40 x 3/8 BHCS 3 Jack 7 Jack 4 Standoff 8 4-40 x 3/8 BHCS Classé - 7...
  • Page 8 CHASSIS REAR VIEW SSP-75 1 Jack 2 4-40 x 3/8 BHCS 3 NC3MAH2 4 4-40 x 3/8 BHCS 5 4-40 x 3/8 BHCS 6 Toslink Connector Classé - 8...
  • Page 9 CHASSIS SSP-75 TOP VIEW 1 PLA CAPFR1 2 HDW #8 FLAT WASHER 3 BZO 8-32x3/4” BHCS 4 L271XR03 Classé - 9...
  • Page 10 PARTIAL ASSY SSP-75 TOP VIEW 1 AVR BO51XR02 2 AVR BO50XR03 3 AVR BO1CXR00 4 TRANSFORMER Classé - 10...
  • Page 11 SHIPPING AREA - FINAL ASSY SSP-75 D IG D IG D IG D IG D IG D IG D IG D IG I/ P I/ P I/ P I/ P D IG D IG D IG D IG 1 L272XR01 2 MPF-0605-100-BO Classé...
  • Page 13 B27BXR02 ADD ON SSP-75 Classé - 13...
  • Page 14 B272XR03 TOP PCB SSP-75 Classé - 14...
  • Page 15 B275XR01 POWER SUPPLY SSP-75 Classé - 15...
  • Page 16 B276XR02 FRONT PCB SSP-75 Classé - 16...
  • Page 17 B27AXR00 IR SSP-75 Classé - 17...

  • Page 22: Power Supply

    POWER SUPPLY SSP-75 5mm pitch PCB terminal block SUPP1 Bulgin PX0580PC PLH11C1811R2P01B1 FUSE1 500mA SLOW 100nF Shield FUSE4 RECT4 1A SLOW 10000uF SB601 100nF 100nF 100nF 100nF 100nF 100nF 10000uF FUSE5 500mA SLOW FUSE3 RECT3 1A SLOW SB601 10000uF 100nF...

  • Page 23: Audio Board

    AUDIO BOARD SSP-75 Analog input buffers Audio input buffers inbuf1.sch Zone2 volume and buffer Audio1 Recording outputs Audio2 Audio3 Volume Zone 2 Audio4 Zone 2 Out Control Audio5 Audio6 zone2.sch Video 6 Out Video1 Fixed out Video2 Video3 recbuf.sch Video4...
  • Page 24 5.1 CHANNEL SSP-75 TTi TRS-05D-SB-L External 5.1 ch volume DSP_LEFT LEFT_SWITCHED board connector BC848B DSP_RIGHT RIGHT_SWITCHED C103 Front In 100uF 100nF RELAY_POWER BAS16 R142 EXT51_SEL 100uF C165 100nF SHIELD 10nF TTi TRS-05D-SB-L -15A +15A DSP_SRND_LEFT Surround In SRND_LEFT_SWITCHED 100uF DSP_SRND_RIGHT...

  • Page 25: Control Interface

    CONTROL INTERFACE SSP-75 Good Sky MI-SH-105L +12V BC848B ZONE_1_TRIGGER BAS16 R216 C245 100nF ACTIVA TE_ZONE_1 Good Sky MI-SH-105L +12V ZONE_2_TRIGGER BC848B C229 SPI buffers C235 I/O Buffers BAS16 100nF 100nF R215 C244 100nF ACTIVA TE_ZONE_2 R213 R209 IC30 IC35 74HC244...

  • Page 26: Audio Trigger

    RECORDING OUTPUT BUFFERS & MUTING SSP-75 +15A IC15A R132 REC_L_UNBUF REC_OUT_L REC_L_BUF V6_OUT_L 100uF 100uF +15A TL072ACD REC_L_BUF 100k 100k C161 C150 22pF 100nF -15A MUTE_REC MUTE_V6OUT C151 R134 100nF BC848B BC848B R133 -15A IC15B 100k 100k R123 REC_R_UNBUF REC_OUT_R...
  • Page 27 VIDEO ANALOG INPUT BUFFERS SSP-75 C101 100pF C117 -15A -15A 100pF R108 R105 Video_1_L Video_4_L Video_1_L_buf Video_4_L_buf 10uF 10uF 100k IC12A 100k IC9A +15A +15A TL072ACD TL072ACD Video_1_L Video 1 100nF 100nF +15A +15A 100nF 100nF Video_1_R SHIELD 100pF 100pF...
  • Page 28 AUDIO ANALOG INPUT BUFFERS SSP-75 C114 C111 -15A -15A 100pF 100pF R102 Audio_1_L Audio_4_L Audio_1_L_buf Audio_4_L_buf 10uF 10uF 100k IC6A 100k IC3A +15A +15A TL072ACD TL072ACD Audio_1_L Audio 1 100nF +15A 100nF +15A Audio_1_R 100nF 100nF SHIELD 10nF 100pF 100pF...
  • Page 29 ZONE 2 VOLUME & BUFFER SSP-75 +15A C206 100nF +15A C207 22uF C202 C214100nF C195 100nF 100nF C204 100nF C203 R170 100nF C205 +15A C213 100nF C218 C194 C196 -15A 10pF 22uF 22uF 100nF -15A -15A R180 R169 IC26 ZONE_2_L_SW...
  • Page 30 ANALOG INPUT SELECTION & MIC BUFFER SSP-75 Zone 2 selectors Zone 1 selectors -15A +15A -15A +15A C173 C179 C178 C174 C171 C176 C177 C172 100nF 100uF 100uF 100nF 100nF 100uF 100uF 100nF Audio_1_L_buf L-S1 R-S1 Audio_1_R_buf Audio_1_L_buf L-S1 R-S1...

  • Page 31: Dsp Module

    DSP MODULE SSP-75 C182 DSP_LEFT 100uF C183 MODULE1B DSP_RIGHT AGND left Out 100uF AGND Right Out C163 C184 REC_L_UNBUF AGND 22pF AGND left Surr. Out DSP_SRND_LEFT AGND Right Surr. Out 100uF AGND C185 R145 AGND Center Out AGND Subwoofer Out...

  • Page 32: Channel Output

    5.1 CHANNEL OUTPUT SSP-75 +15A +15A IC13A SRND_LEFT_SWITCHED LS_OUT LEFT_SWITCHED TIP110 REC_OUT_L Rec out 100k OPA2134 TTi TRS-05D-SB-L RELAY_POWER BC848B C154 R118 100uF TL431CPK REC_OUT_R -15A ZONE_1_L_BUF SHIELD 100nF 10nF R117 R115 R110 BAS16 MUTE_MAIN R119 L_OUT 100k not installed...

  • Page 33: Power Supplies

    POWER SUPPLIES SSP-75 Scope hooks Power connectors Thermalloy 6391B IC14 7815CT +15A Vout C164 2200uF C162 C142 C147 1000uF 100nF 100nF C188 C189 C181 C180 2200uF 1000uF 100nF 100nF -Vout IC19 -15A 7915CT Thermalloy 6391B Ground connects Thermalloy 6391B Vout...

  • Page 34: Front Panel Board

    FRONT PANEL BOARD SSP-75 Controlboard connection Serial control Control fpanel.sch Classé - 34...

  • Page 35: Front Panel

    FRONT PANEL SSP-75 Control board connector KBD_ACTIVE SW12 SW11 SERIN SEROUT FPANEL_SCLK SRCLK SRCLR FPANEL_MOSI FPANEL_SCLK FPANEL_MISO KBD_I/O_RCK LED_I/O_RCK VFD_I/O_RCK I/O_ENABLE IR_RECEIVER VOL_ROT_1 KBD_READ SLOAD VOL_ROT_2 KBD_I/O_RCK RCLK KBD_ACTIVE VFD_E 74HC597 SW10 MIC+ SERIN SEROUT FPANEL_MISO 100uF FPANEL_SCLK SRCLK SRCLR...

  • Page 36: Osd Board

    OSD BOARD SSP-75 Detection/Conversion SVHS selector & buffers Video1 Signal Signal Signal Detection Detection Detection Video2 Composite from Control Video3 Y/C -> Cs Y/C -> Cs Video4 Conversion Conversion Video5 Video6 Composite detcon.sch Serial to Control Control svhssel.sch Composite to Control...
  • Page 37 VIDEO SSP-75 Y/C -> Composite conversion Video signal presence detection IC9C 74HC00 IC10A SVIDEO_C_NO_OSD COMP_ACT Y/C->Cs_BUF SVIDEO_Y_NO_OSD IC14B MAX4016ESA COMP_Y_SW BAS16 LM393M 100k 100nF IC9A 74HC00 SVIDEO_ACT IC10B MAX4016ESA OSD_C_OUT SVIDEO_Y_NO_OSD OSD_Y/C-Cs_BUF OSD_Y_OUT BAS16 IC7A LM393M 100k 100nF IC9B 74HC00...

  • Page 38: Serial I/O Interface

    INTERFACE SSP-75 OSD_CVID_OUT Serial I/O interface ZONE_1_CVID_SW Y/C->Cs_BUF IC13 10Pin IDC header 74HC595 R105 CONTROL_MOSI SERIN OSD_RESET OSD_CS CONTROL_SCLK SRCLK COMP_SW_ST SRCLR SVIDEO_SW_ST OSD_SW_ST 34pin IDC header OSD_I/O_RCK RCLK CVID/SVIDEO CONTROL_MOSI I/O_ENABLE OSC_SEL CONTROL_SCLK OSD_I/O_RCK SEROUT I/O_ENABLE OSD_SPI_E VIDEO_SPI_E VSYNC_OUT...
  • Page 39 INPUT SSP-75 SVideo Input connectors 100uF VIDEO_1_C VIDEO_1_Y VIDEO 1 10uF 100k 100k SHIELD HDC-50 SVideo selector -15A +15A 100uF VIDEO_2_C VIDEO_2_Y 100nF 100uF 100uF 100nF VIDEO 2 10uF 100k 100k SHIELD HDC-50 VIDEO_1_Y L-S1 R-S1 VIDEO_1_C VIDEO_2_Y L-S2 R-S2...
  • Page 40 INPUT SSP-75 Component video input connectors COMP_1_Y Component video output connectors 100uF Shield SHIELD 100k 10nF OSD router COMP_Y_OUT Shield SHIELD COMP_1_B-Y SHIELD Shield 100uF -15A +15A 100k 10nF 10nF COMP_B-Y_OUT 100nF 100uF 100uF 100nF COMP_1_R-Y SHIELD Shield 100uF 100k...
  • Page 41 SSP-75 100uF R117 Vertical sync detection 100k IC16 100nF ROHM BU2857F OSD_C_IN AVDD DVDD IC14A R111 R115 OSD_Y_IN COUT OSD_C_UNBUF 100nF Y/VIN Y/VOUT OSD_Y_UNBUF 10uF R103 Oscillator PLL VSYNC_OUT R114 SYIN SYDET R116 OSD_CSYNC CSYNC_IN CSYNC_OUT OSD_CSYNC 100nF LM393M 10nF...

  • Page 42: Control Board

    CONTROL BOARD SSP-75 Digital input selection Coax1 Coax2 Coax3 Optical out Coax4 Toslink 1 Coaxial out Toslink 2 To Audio board AES/EBU Serial Control digin.sch Composite video selection Zone 2 Video1 Zone 2 Video Out Video2 Video3 Video4 Zone 1...
  • Page 43 CONTROL SSP-75 34pin IDC header 34pin IDC header FPANEL_MOSI CONTROL_MOSI FPANEL_SCLK CONTROL_SCLK C101 FPANEL_MISO 1000uF CONTROL_MISO KBD_I/O_RCK AUDIO_I/O_RCK LED_I/O_RCK DSP_SPI_E VFD_I/O_RCK AUDIO_SPI_E I/O_ENABLE TUNER_SPI_E IR_RECEIVER SPDIF_IN VOL_ROT_1 I/O_ENABLE VOL_ROT_2 ACTIVATE_ZONE_1 KBD_ACTIVE ACTIVATE_ZONE_2 VFD_E TUNER_STEREO TUNED AD_OVER ZONE_1_TRIGGER MIC+ MIC+ ZONE_2_TRIGGER...
  • Page 44 CONTROL SSP-75 RF demodulator connector 8-Pin mini-DIN socket TP12 Ferrite bead Not installed Ferrite bead AC3-RFout 100uF Ferrite bead 10nF Coaxial 1 COX_DIGITAL1 100uF Shield RF_RESET TP11 SHIELD 10nF Not installed COX_DIGITAL1 COX_DIGITAL2 10nF Coaxial 2 COX_DIGITAL2 Input A+ Input B+...
  • Page 45 CONTROL SSP-75 HSP-252V3-12 HSP-252V3-12 MONITOR WITH OSD IC7A MAX4016ESA VIDEO 1 VIDEO_1_CVID ZONE_1_OSD 100uF 100k MONITOR NO OSD VIDEO 2 Shield VIDEO_2_CVID Shield 100uF 100k SHIELD IC7B 10nF SHIELD MAX4016ESA HSP-252V3-12 ZONE_1_NO_OSD 10nF VIDEO 3 HSP-252V3-12 VIDEO_3_CVID VIDEO 6 OUT...

  • Page 46: Address Decoding

    CONTROL SSP-75 IC18 ROM_CE ROM_OE TP4 PCB testpoint, ignore R81 75 CONTROL_SCLK R82 75 CONTROL_MOSI CONTROL_MISO 100uF 100nF M_BUS 27C512 on PLCC socket IC19 74HC573 PC0/A0/D0 PC1/A1/D1 M_BUS PC2/A2/D2 COMP_ACT PE7/AN7 PC3/A3/D3 SVIDEO_ACT PE6/AN6 PC4/A4/D4 VOL_ROT_1 PE5/AN5 PC5/A5/D5 IC20 VOL_ROT_2...
  • Page 47 CONTROL SSP-75 IC22 IC21 74HC574 74HC574 I/O_ENABLE I/O_ENABLE EN_CTLR0 EN_CTLR1 SPDIF_SEL_0 CVID_SW_ST SPDIF_SEL_1 TUNER_SPI_E SPDIF_SEL_2 OSD_SPI_E SPDIF_OUT_E VIDEO_SPI_E ACTIVA TE_ZONE_1 DSP_SPI_E ACTIVA TE_ZONE_2 AUDIO_SPI_E FPANEL_SPI_E M_BUS RS232 buffer SPI buffer IC11 74HC244 IC10 FPANEL_MOSI 22uF 22uF 22uF FPANEL_SCLK FPANEL_MISO CONTROL_MISO...
  • Page 48 FRONT PANEL SSP-75 Controlboard connection Serial control Control fpanel.sch Classé - 48...

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