Classe Audio CA-201, Service Manual

Page 1: ...CA 201 Classé POWER AMPLIFIER SERVICE MANUAL v 1 0 ...

Page 2: ...I n dex Mechanical Assembly 3 PC Boards 18 Testing Procedures 26 Diagrams 29 ...

Page 3: ...CA 201 MECHANICAL ASSEMBLY Classé 3 ...

Page 4: ...1 HDW SPAENAUR R3100 31 Retaining Ring 2 DDM BUSHR1 Plastic Bushing 3 HDW 94369 Spring 4 DDM PSWL1 Power Switch Knob 5 L033XR01 1 2 3 4 CA 201 FACE PLATE ASSEMBLY Classé 4 CA 201 5 ...

Page 5: ...CA 201 FACE PLATE ASSEMBLY 1 MPFU 0804 2 L02CXR02 3 L033XR01 Classé 5 1 2 SIDE VIEW 3 ...

Page 6: ...CA 201 FACE PLATE ASSEMBLY 1 L034XR01 2 B 336 Classé 6 1 2 ...

Page 7: ...CA 201 FACE PLATE ASSEMBLY 1 HEATSINK 2 SS 185 3 N 281 Classé 7 1 3 2 ...

Page 8: ...CA 201 HEATSINK ASSEMBLY Classé 8 SIDE VIEW 1 8 32X1 2 BHCS 2 L031XR07 1 2 ...

Page 9: ... CHAS S IS R E AR V IE W 1 NEU NC3FPB 1 2 BZO 4 40x3 8 FHCS 3 FUSE PLASTIC NUT 4 FUSE RUBBER GASKET 5 FUSE HOLDER 6 BZO 6 32x3 8 BHCS 7 SWI EAC 310 8 HDW 6 LK WASHER 9 HDW 6 32 NUT 5 4 3 6 7 9 8 1 2 Classé 9 ...

Page 10: ...EAR VIEW 1 RCA NUT 2 RCA GROUND LUG 3 RCA FLAT PLASTIC WASHER 4 RCA SHOULDER PLASTIC WASHER 5 A D AD3505FP RCA jack 6 BINDING POST 7 B POST SPACER 8 B POST WASHER 9 B POST NUTS 1 2 3 4 5 Classé 10 CA 201 7 8 9 6 ...

Page 11: ...CA 201 HEATSINK 1 L038XR02 2 L036XR01 3 L037XR03 4 L036XR01 5 1740 6 10 32X1 2 BHCS Classé 11 1 2 4 3 6 TOP VIEW FRONT VIEW 5 ...

Page 12: ...CA 201 L BAR Classé 12 1 2 3 4 5 7 8 6 6 3104 7 B032XR05 8 727 9 MPS2222 10 DELTA BOND blue glue 1 MS 2147 2 W 311 3 TRANSISTOR 4 K4 04 5 L038XR02 TOP VIEW SIDE VIEW 9 10 ...

Page 13: ...CA 201 CHASSIS 1 PLA CAPFR1 2 HDW 8 FLAT WASHER 3 BZO 8 32x3 4 BHCS 4 L031XR07 Classé 13 1 2 3 4 TOP VIEW ...

Page 14: ...CA 201 PARTIAL ASSEMBLY 1 B035X 2 B032X 3 B037X 4 B01CX Classé 14 4 3 2 1 ...

Page 15: ...Classé 15 CA 201 PARTIAL ASSY 1 B036X 2 6689 X0 03 3 T P 5 5 1 3 2 ...

Page 16: ...CA 201 PARTIAL ASSEMBLY Classé 16 1 L03CXR00 2 N 280 3 SS 185 1 3 2 ...

Page 17: ...CA 201 SHIPPING AREA FINAL ASSY Classé 17 1 HX 2003 2 L032XR03 1 2 ...

Page 18: ...CA 201 PC BOARDS Classé 18 ...

Page 19: ...CA 201 B036XR03 CAPACITOR Classé 19 ...

Page 20: ...CA 201 B037XR05 CONTROL Classé 20 ...

Page 21: ...CA 201 B035XR02 INPUT Classé 21 ...

Page 22: ...CA 201 B034XR06 TOGGLE Classé 22 ...

Page 23: ...Classé 23 CA 201 B032XR05 DEVICE X2 ...

Page 24: ...Classé 24 CA 201 B033XR05 MAINBOARD ...

Page 25: ...Classé 25 CA 201 B01CXR00 POWER SWITCH ...

Page 26: ...CA 201 TESTING PROCEDURES Classé 26 ...

Page 27: ...e line voltage and check rail and driver voltage up to line voltage was 120v 3 Then remove bypass mode 4 Turn on unit and check the rails drivers and offset voltages for all channels Also check the sequence of relay clicking NEXT 119 5 Adjust the bias and offset Some unit bias is fixed 6 Check the voltage for relays and other supply voltage 7 Check protection circuit for all channels 8 Check IR in...

Page 28: ...nels 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 channels 12V and 12V 8 Measure reference voltage 8 1V on both channels 9 Measure reference voltage for protection 78V 10 After setting the bias connect load and input signal Check output signal Check...

Page 29: ...CA 201 DIAGRAMS Classé 29 ...

Page 30: ...CA 201 CONTROLLER B037XR05 1 Classé 30 ...

Page 31: ...CA 201 Classé 31 CONTROLLER B037XR05 2 ...

Page 32: ...CA 201 Classé 32 CONTROLLER B037XR05 3 ...

Page 33: ...CA 201 Classé 33 CONTROLLER B037XR05 4 ...

Page 34: ...CA 201 CAPACITOR B036XR03 Classé 34 ...

Page 35: ...CA 201 GAIN STAGE B033XR05 Classé 35 ...

Page 36: ...CA 201 DEVICES B032XR03 Classé 36 ...

Page 37: ...CA 201 INPUT B035XR02 Classé 37 ...

Page 38: ...CA 201 TOGGLE SWITCH B034XR06 Classé 38 ...

Page 39: ...CA 201 POWER SWITCH B01CXR00 Classé 39 ...