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Classe Audio SSP-75, Service Manual

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Classe Audio SSP-75 Service Manual Download Page 28

AUDIO ANALOG INPUT BUFFERS

Classé - 

28

SSP-75

3

5

6

2

4

1

X8

HSP-214V

3

5

6

2

4

1

X7

HSP-214V

3

5

6

2

4

1

X6

HSP-214V

Audio 1

Audio 2

Audio 3

Audio 4

Audio 5

Audio 6

Audio_1_L

Audio_2_L

Audio_3_L

Audio_4_L

Audio_5_L

Audio_6_L

Audio_1_R

Audio_2_R

Audio_3_R

Audio_4_R

Audio_5_R

Audio_6_R

3

2

1

IC6A

TL072ACD

-15A

R64

20k

R102

10k

C114

100pF

C37

10uF

+15A

5

6

7

IC6B

TL072ACD

R63

20k

R62

10k

C57

100pF

C36

10uF

Audio_1_L

Audio_1_R

3

2

1

IC5A

TL072ACD

-15A

R61

20k

R101

10k

C113

100pF

C35

10uF

+15A

5

6

7

IC5B

TL072ACD

R60

20k

R59

10k

C56

100pF

C34

10uF

Audio_2_L

Audio_2_R

3

2

1

IC4A

TL072ACD

-15A

R58

20k

R100

10k

C112

100pF

C33

10uF

+15A

5

6

7

IC4B

TL072ACD

R57

20k

R56

10k

C55

100pF

C32

10uF

Audio_3_L

Audio_3_R

3

2

1

IC3A

TL072ACD

-15A

R55

20k

R99

10k

C111

100pF

C31

10uF

+15A

5

6

7

IC3B

TL072ACD

R54

20k

R53

10k

C54

100pF

C30

10uF

Audio_4_L

Audio_4_R

3

2

1

IC2A

TL072ACD

-15A

R52

20k

R98

10k

C110

100pF

C29

10uF

+15A

5

6

7

IC2B

TL072ACD

R51

20k

R50

10k

C53

100pF

C28

10uF

Audio_5_L

Audio_5_R

3

2

1

IC1A

TL072ACD

-15A

R49

20k

R97

10k

C109

100pF

C27

10uF

+15A

5

6

7

IC1B

TL072ACD

R48

20k

R47

10k

C52

100pF

C26

10uF

Audio_6_L

Audio_6_R

Audio_1_L_buf

Audio_1_R_buf

Audio_2_L_buf

Audio_2_R_buf

Audio_3_L_buf

Audio_3_R_buf

Audio_4_L_buf

Audio_4_R_buf

Audio_5_L_buf

Audio_5_R_buf

Audio_6_L_buf

Audio_6_R_buf

R22
100k

R21
100k

R20
100k

R19
100k

R18
100k

R17
100k

R16
100k

R15
100k

R14
100k

R13
100k

R12
100k

R11
100k

C14

10nF

C13

10nF

C12

10nF

C11

10nF

C8

10nF

C7

10nF

SHIELD

SHIELD

SHIELD

SHIELD

SHIELD

SHIELD

-15A

+15A

C128
100uF

C127
100uF

C125
100uF

C126
100uF

C124
100uF

C123
100uF

C81
100nF

C80
100nF

-15A

+15A

C79
100nF

C78
100nF

-15A

+15A

C77
100nF

C76
100nF

-15A

+15A

C75
100nF

C74
100nF

-15A

+15A

C73
100nF

C72
100nF

-15A

+15A

C71
100nF

C70
100nF

-15A

+15A

Summary of Contents for SSP-75

Page 1: ...SSP 75 Class PREAMPLIFIER PROCESSOR SERVICE MANUAL v 1 0...

Page 2: ...Index Mechanical Assembly 3 PC Boards 12 Testing Procedures 18 Diagrams 21...

Page 3: ...SSP 75 MECHANICAL ASSEMBLY...

Page 4: ...CE PLATE ASSEMBLY Class 4 DIG IT AL DIG IT AL STA NDBY STA NDBY M O DE M O DE M EM O RY M EM O RY DIG IT AL DIG IT AL I P SO URCE I P SO URCE DTS DTS DO LBY DIG IT AL DO LBY DIG IT AL DOLBY PRO L O G...

Page 5: ...FACE PLATE ASSEMBLY 1 N 4K 2 SDB161PVB20F 3 Flat Washer 4 Nut 5 L273XR01 6 6 32 x 1 4 SHSS 7 L214XR01 S Class 5 SSP 75 1 3 4 2 5 6 7 TOP VIEW...

Page 6: ...CHASSIS REAR VIEW 1 D501 J12 S2 15 DQ 2 Jack 3 4 40 x 3 8 BHCS 4 Balanced 5 4 40 x 3 8 BHCS 6 N 1K 7 656 042 8 EAC 333 9 6 32 x 3 8 BHCS Class 6 SSP 75 2 3 1 9 8 6 7 4 5...

Page 7: ...CHASSIS REAR VIEW 1 Jack 2 4 40 x 3 8 BHCS 3 Jack 4 Standoff 5 Jack 6 4 40 x 3 8 BHCS 7 Jack 8 4 40 x 3 8 BHCS Class 7 SSP 75 5 6 7 8 1 2 3 4...

Page 8: ...CHASSIS REAR VIEW 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 Class 8 SSP 75 3 4 1 2 6 5...

Page 9: ...CHASSIS 1 PLA CAPFR1 2 HDW 8 FLAT WASHER 3 BZO 8 32x3 4 BHCS 4 L271XR03 Class 9 1 2 3 SSP 75 4 TOP VIEW...

Page 10: ...Class 10 PARTIAL ASSY 1 AVR BO51XR02 2 AVR BO50XR03 3 AVR BO1CXR00 4 TRANSFORMER SSP 75 TOP VIEW...

Page 11: ...AL I P SO UR CE I P SO UR CE DT S DT S DO LB Y DI G IT AL DO LB Y DI G IT AL DO LB Y PR O L O G IC DO LB Y PR O L O G IC CL IP CL IP DI G IT AL DI G IT AL ST AN DB Y ST AN DB Y M O DE M O DE M EM O RY...

Page 12: ...SSP 75 PC BOARDS...

Page 13: ...B27BXR02 ADD ON Class 13 SSP 75...

Page 14: ...B272XR03 TOP PCB Class 14 SSP 75...

Page 15: ...Class 15 B275XR01 POWER SUPPLY SSP 75...

Page 16: ...Class 16 B276XR02 FRONT PCB SSP 75...

Page 17: ...Class 17 B27AXR00 IR SSP 75...

Page 18: ...SSP 75 TESTING PROCEDURES...

Page 19: ...rom variable transformer and check the rail and driver voltages 9 If the unit is OK increase the voltage up to 120V 10 Turn off the unit and remove by pass 11 Turn on the unit and check the rails driv...

Page 20: ...els Wait 7 to 8 minutes after each adjustment Also adjust offset to 0mV 5 Measure rail and pre driver voltage 6 Measure A C voltage for bridge 7 Measure supply voltage for relays 15V and 15V for both...

Page 21: ...SSP 75 DIAGRAMS...

Page 22: ...00nF R6 10k Vin 1 GND 2 Vout 3 IC2 7812CV Vin 1 GND 2 Vout 3 IC1 7805CV L1 DSS706 351D221M25 50 L2 DSS706 351D221M25 50 C32 100nF C27 10000uF C4 100nF C5 100nF C13 100nF C12 100nF RECT1 SB601 C30 100n...

Page 23: ...1 Video2 Video3 Video4 Video5 Video6 Mic DSP and Bypass dsp sch Analog audio in Digital audio in 5 1 ch audio out DSP MODULE Zone 1 Zone 2 Serial Control Serial Control Main output buffers and muting...

Page 24: ...1k C102 100nF DSP_CENTER DSP_SUBWOOFER LEFT_SWITCHED RIGHT_SWITCHED SRND_LEFT_SWITCHED SRND_RIGHT_SWITCHED CENTER_SWITCHED SUBWOOFER_SWITCHED 3 5 6 2 4 1 X4 HSP 214V REC_OUT_L REC_OUT_R C5 10nF C6 10...

Page 25: ...DSP_SPI_E AUDIO_SPI_E I O_ENABLE SPDIF_IN 15A 15A 5A 5A TUNER_SPI_E 5D C239 1000uF TUNER_SCLK TUNER_MOSI 1G 1 1A1 2 1Y1 18 1A2 4 1Y2 16 1A3 6 1Y3 14 1A4 8 1Y4 12 VCC 20 GND 10 2A1 17 2Y1 3 2A2 15 2Y2...

Page 26: ...C28A LM393M R184 2k 1 Q17 BC848B MUTE_REC MUTE_REC_CONTROL R186 10k R185 10k 5D 5 6 7 IC28B LM393M R183 2k 1 Q16 BC848B MUTE_V6OUT MUTE_V6OUT_CONTROL 5D 15A C121 100uF ZONE_2_OUT_L C122 100uF ZONE_2_O...

Page 27: ...IC9B TL072ACD R72 20k R71 10k C60 100pF C42 10uF Video_4_L Video_4_R 3 2 1 IC8A TL072ACD 15A R70 20k R104 10k C116 100pF C41 10uF 15A 5 6 7 IC8B TL072ACD R69 20k R68 10k C59 100pF C40 10uF Video_5_L...

Page 28: ...5 6 7 IC3B TL072ACD R54 20k R53 10k C54 100pF C30 10uF Audio_4_L Audio_4_R 3 2 1 IC2A TL072ACD 15A R52 20k R98 10k C110 100pF C29 10uF 15A 5 6 7 IC2B TL072ACD R51 20k R50 10k C53 100pF C28 10uF Audio...

Page 29: ...nF C207 22uF C196 100nF AUDIO_SCLK AUDIO_MOSI ZONE_2_VOL 3 2 1 IC24A OPA2134 R179 10k R178 82K C213 10pF 15A 15A 5 6 7 IC24B OPA2134 R168 10k R167 82K C193 10pF ZONE_2_VOL_MUTE D14 4V3 D15 4V3 D12 4V3...

Page 30: ...Audio_3_L_buf Audio_4_L_buf Audio_5_L_buf Audio_6_L_buf Audio_1_R_buf Audio_2_R_buf Audio_3_R_buf Audio_4_R_buf Audio_5_R_buf Audio_6_R_buf R S1 27 R S2 26 R S3 25 R COM1 24 R S4 23 R S5 22 R S6 21 R...

Page 31: ...B DSP with 3 x 0 1 PCB sockets 5 Dig P1 5 Dig P2 DGND P3 DGND P4 n c P5 n c P6 5 An P7 5 An P8 5 An P9 5 An P10 AGND P11 AGND P12 15 An P13 15 An P14 15 An P15 15 An P16 AGND P17 AGND P18 AGND P19 AGN...

Page 32: ...6 7 IC13B OPA2134 C159 100uF R127 7k5 1 Q12 TIP115 R122 51 R121 51 R120 not installed R116 0 1 Q11 TIP110 15A 15A ZONE_1_R_BUF 3 5 6 2 4 1 X3 HSP 214V L_OUT R_OUT LS_OUT RS_OUT CENTER_OUT SUB_OUT SUB...

Page 33: ...ooks Ground connects C219 1000uF C230 1000uF C226 100nF C208 100nF HS1 Thermalloy 6391B HS2 Thermalloy 6391B HS3 Thermalloy 6391B HS4 Thermalloy 6391B 1 2 3 4 5 6 X14 0 156 6Pin PCB header with fricti...

Page 34: ...FRONT PANEL BOARD Class 34 SSP 75 Led fpanel sch Serial control Control Controlboard connection...

Page 35: ...I O_RCK VFD_I O_RCK 3 4 5 6 7 8 9 10 11 12 14 13 1 2 15 16 18 17 19 20 21 23 25 22 24 26 27 28 29 30 31 32 33 34 5D C11 100uF VF Display VF buffer Control board connector Rotary switch IR Receiver C5...

Page 36: ...Video3 Video4 Video5 Video6 Serial Control componen sch OSD osdsch sch Y 1 R Y 1 B Y 1 Serial Control Y 2 R Y 2 B Y 2 Y Out R Y Out B Y Out Composite from Control Vsync Detection Composite to Control...

Page 37: ...E_1_CVID_SW ZONE1_CVID_ACT 5 6 7 IC14B LM393M R95 1k 5A D7 BAS16 C64 100nF R89 100k R92 1k C65 1nF R90 6k8 R91 1k2 12 13 11 IC9C 74HC00 COMP_ACT COMP_Y_SW 3 2 1 IC10A MAX4016ESA R85 10k R84 10k SVIDEO...

Page 38: ...SVIDEO OSD_SCLK OSD_MOSI VIDEO_SCLK VIDEO_MOSI 1G 1 1A1 2 1Y1 18 1A2 4 1Y2 16 1A3 6 1Y3 14 1A4 8 1Y4 12 VCC 20 GND 10 2A1 17 2Y1 3 2A2 15 2Y2 5 2A3 13 2Y3 7 2A4 11 2Y4 9 2G 19 IC12 74HC244 5D OSD_SPI...

Page 39: ...O_OSD SVIDEO_Y_NO_OSD SVIDEO_C_OSD SVIDEO_Y_OSD OSD_Y_OUT OSD_C_OUT C13 100uF C25 10uF R46 100k R33 100k C12 100uF C24 10uF R44 100k R31 100k C11 100uF C23 10uF R42 100k R29 100k C10 100uF C22 10uF R4...

Page 40: ...COM3 17 DATA 16 CK 15 L S1 2 L S2 3 L S3 4 L COM1 5 L S4 6 L S5 7 L S6 8 L COM2 9 L S7 10 L S8 11 L COM3 12 ST 13 IC8 TC9163AN 15A 15A C45 100uF C47 100uF C51 100nF C52 100nF VIDEO_SCLK VIDEO_MOSI OS...

Page 41: ...5 4 6 IC15B 74HC00 12 13 11 IC15C 74HC00 CR1 17 734475M C79 33pF C87 33pF R118 1M CVID SVIDEO 9 10 8 IC15D 74HC00 5D OSD_C_UNBUF OSD_Y_UNBUF R111 10k 3 2 1 IC11A MAX4016ESA R96 24 5 6 7 IC11B MAX4016...

Page 42: ...ite video selection vcompsel sch Video1 Video2 Video3 Video4 Video5 Video6 Serial Control Microcontroller micro sch Microcontroller Control section interfac sch I O interface Zone 2 Video Out Monitor...

Page 43: ...4 26 27 28 29 30 31 32 33 34 X21 34pin IDC header 5D C101 1000uF 15A 15A 5D 5A 5A TUNER_SPI_E ACTIVATE_ZONE_2 ACTIVATE_ZONE_1 TUNED TUNER_STEREO 3 4 5 6 7 8 9 10 11 12 14 13 1 2 15 16 18 17 19 20 21 2...

Page 44: ...Output D 11 3 State Control 4 3 State Control 12 IC4 26LS32 5D R42 10k R22 10k 5D G 4 G 12 1A 1 1Y 2 1Z 3 2A 7 2Y 6 2Z 5 3A 9 3Y 10 3Z 11 4A 15 4Y 14 4Z 13 VCC 16 GND 8 IC3 26LS31 5D R31 10k R8 470 C...

Page 45: ...0nF SHIELD SHIELD MONITOR NO OSD ZONE OUT MONITOR WITH OSD VIDEO 6 OUT R30 75 C29 100uF R29 75 C13 10nF SHIELD C28 100uF R38 100k R37 100k 3 2 1 IC8A MAX4016ESA R50 470 R51 470 5 6 7 IC8B MAX4016ESA R...

Page 46: ...A12 A13 M_BUS 5D SRAM_OE SRAM_CE C74 100nF TxD RxD 5D CLK I0 1 I1 2 I2 3 I3 4 I4 5 I5 6 I6 7 I7 8 I8 9 OE I9 11 GND 10 VCC 20 I O1 13 I O2 14 I O3 15 I O4 16 I O5 17 I O6 18 I O7 19 I O0 12 IC24 PALC...

Page 47: ...1 SPDIF_SEL_2 R59 75 R58 75 TUNER_SPI_E VIDEO_SCK VIDEO_MOSI 1G 1 1A1 2 1Y1 18 1A2 4 1Y2 16 1A3 6 1Y3 14 1A4 8 1Y4 12 VCC 20 GND 10 2A1 17 2Y1 3 2A2 15 2Y2 5 2A3 13 2Y3 7 2A4 11 2Y4 9 2G 19 IC11 74HC2...

Page 48: ...FRONT PANEL Class 48 SSP 75 fpanel sch Keyboard interface Keyboard LED interface LED VFD interface VFD Serial control Control Controlboard connection Rotary switch IR receiver...

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