Laney CD650 Operating and installation instructions

Laney
ServiceInformation
CD650Mixer/Amplifier
PartNumber-SM3041

Laney
Contents
1.DWG3044
3.DWG3010
4.DWG9324PreampDiagramChannel
8.PresetAdjustmentonPCB9323
9.DWG9323PowerAmpDiagram
15.Contact
(Issue2)
ServiceSchematic
2.DWG2615MainsWiring
BlockDiagram
5.DWG9324PreampDiagramMasters
6.DWG9324PreampDiagramChannel
7.DWG9324PreampDiagramMasters
10.DWG9323PowerAmpDiagram
11.Pre-ampPCBAssemblyList
12.OutputPCBAssemblylist
13.FinalAssemblyList
14.CabinetAssemblyList
(Issue2)
(Issue3)
(Issue3)
(Issue2)
(Issue3)

23/11/99 Issue 1
Preset Adjustment PCB 9323
To reset the amplifier bias following service or device replacement, follow these steps.
1. Before powering up the unit for the first time after replacing devices, Turn
R27,R28,R127 and R128 (All 1K presets) fully clockwise. This will bias the output
devices into minimum conduction. Failure to do this may result in the amp
appearing to draw excessive current, Especially if powered through a “Current limit”
device.
2. Reset amplifier DC offset for Channel 1 by measuring between P2 (0V) and P107
(Speaker). Set to 0V DC. ±±1mV, by Adjusting PS102.
3. Reset amplifier DC offset for Channel 2 by measuring between P2 (0V) and P7
(Speaker). Set to 0V DC. ±±1mV, by Adjusting PS2.
4. Measure DC mV across TS109 Sense and Emitter junction. Adjust R128 until a
reading of 10mV ±±1mV is obtained.
5. Measure DC mV across TS105 Sense And Emitter junction. Adjust R127 until a
reading of 10mV ±±1mV is obtained.
6. Recheck AcrossTS109 as above. Reset if necessary to 10mV.
7. Check S, Ejunction of all four devices on channel 1 (TS105,TS109,TS111,TS114)
This Should be 10mV ±±3mV. This completes Channel 1 re-biasing.
8. Measure DC mV acrossTS9 Sense And Emitter junction. Adjust R28 until a reading
of 10mV ±±1mV is obtained.
9. Measure DC mV acrossTS5Sense And Emitter junction. Adjust R27 until a reading
of 10mV ±±1mV is obtained.
10. Recheck AcrossTS9 as above. Reset if necessary to 10mV.
11. Double check S, Ejunction of all four devices on channel 2 (TS5,TS9,TS11,TS14)
This Should be 10mV ±±3mV. This completes the amplifier re-biasing.
In practice, It may be easier to disconnect the Pre-Amp loom and facia from the rear chassis.

Assembly List For ( 006347 ) Preamp PCB Assembly
Stock Code Item Qty Req
1038 15K .25W RESISTOR 1
1300 ORO SHORTING LINK 69
1303 100R 5% RESISTOR 2
1306 10K 5% RESISTOR 44
1309 1M 5% RESISTOR 6
1310 100K 5% RESISTOR 25
1311 470R 5% RESISTOR 2
1312 4K7 5% RESISTOR 18
1314 8K2 5% RESISTOR 22
1315 47K 5% RESISTOR 11
1316 22K 5% RESISTOR 13
1317 39K 5% RESISTOR 7
1318 6K8 5% RESISTOR 12
1326 3K3 5% RESISTOR 39
1327 1K 5% RESISTOR 22
1331 33K 5% RESISTOR 3
1504 100R 2.5W RESISTOR 1
1920 ZERO OHM RESISTOR 38
2004 47UF 50V RADIAL 3
2013 10UF 50V CAPACITOR 40
2014 100UF 35V RADIAL 1
2024 2.2UF 63V RADIAL 13
2025 1UF 63V RADIAL 2
2026 .47UF 63V RADIAL 2
2027 4.7UF 63V RADIAL 9
2200 220NF 100V 10MM 2
2408 33NF 250V 10MM 2
2409 68NF 250V 10MM 4
2413 1N5 100V 5mm 8
2414 1NF 100V 5mm 2
2415 2.2NF 100V 5mm 12
2417 4.7NF 100V 5mm 4
2419 100NF 63V 5mm 9
2420 22NF 100V 5mm 2
2421 10NF 100V 5mm 4
2423 330PF 100V 5mm 2
2425 47NF 100V 5mm 6
2426 15NF 100V 5mm 6
2601 10PF 50V 10% COG 6
2602 47PF 50V 10% COG 5
2603 100PF 50V 10% COG 6
2604 270PF 50V 10% COG 3
2605 470PF 50V 10% COG 21
2827 680PF 50V CERAMIC 2
3007 3V9 .5W ZENER DIODE 1
3022 3mm GREEN LED 7
3033 3mm LED RED 11
3034 3mm LED YELLOW 2
3039 5V1 1.3W ZENER 1
3500 BAS16 TRANSISTOR 20
3503 BC847B TRANSISTOR 15

Assembly List For ( 006347 ) Preamp PCB Assembly
Stock Code Item
3508 34072 IC (SMD TL072) 18
3805 LB1413 2
3806 LA3607 2
3926 74HC4053 IC 1
4019 10K HORIZ PRESET 2
4102 B100K 27.5mm POT 18
4103 A100K 27.5mm POT 8
4104 A10K 27.5MM POT 18
4108 30mm 100K LIN SLIDER 14
5043 8 WAY LOCKING HEADER 1
5304 8.5MM VERTICAL PUSH 5
5305 QUAD PC PHONO 1
5306 DUAL PHONO VERT PC 1
5307 X902-03 XLR 6
5309 6.3MM PHONE JACK 11
5311 SLIDE SWITCH 3.5mm 1
5312 2mm SLIDE SWITCH 1
5313 12 POS ROTARY SWITCH 1
5657 LED SPACER 12.7MM 20
9324 CR650 PREAMP 1

Assembly List For ( 006348 ) Output PCB Assembly
Stock Code Item Qty Req
1010 47K .25W RESISTOR 1
1300 ORO SHORTING LINK 9
1303 100R 5% RESISTOR 8
1305 2K2 5% RESISTOR 2
1306 10K 5% RESISTOR 17
1310 100K 5% RESISTOR 3
1312 4K7 5% RESISTOR 1
1315 47K 5% RESISTOR 1
1316 22K 5% RESISTOR 2
1320 220R 5% RESISTOR 4
1326 3K3 5% RESISTOR 5
1327 1K 5% RESISTOR 14
1329 330R 5% RESISTOR 8
1323 68R 5% RESISTOR 6
1500 10R 2.5W RESISTOR 4
1501 220R 2.5W RESISTOR 1
1701 1K 5W RESISTOR 1
1920 ZERO OHM RESISTOR 18
2004 47UF 50V RADIAL 5
2009 1000UF 25V RADIAL 2
2013 10UF 50V CAPACITOR 4
2014 100UF 35V RADIAL 2
2021 6800UF 63V 30*40 2
2025 1UF 63V RADIAL 1
2029 220UF 25V CAPACITOR 1
2200 220NF 100V 10MM 10
2400 100NF 250V 10MM 4
2410 100NF 400V 15MM 2
2415 2.2NF 100V 5mm 2
2601 10PF 50V 10% COG 2
2817 100PF 100V CERAMIC 2
3000 1N4007 DIODE 6
3006 1N4148 DIODE 1
3007 3V9 .5W ZENER DIODE 6
3014 15V 1.3W ZENER 3
3017 1.5A 200V BRIDGE 1
3019 7V5 1.3W ZENER DIODE 2
3038 22V .5W ZENER 1
3040 8A 600V INLINE 1
3411 MPSA42/43 TRANSISTOR 3
3412 MPSA92/93 TRANSISTOR 2
3500 BAS16 TRANSISTOR 15
3501 SO642 TRANSISTOR 6
3502 SO692 TRANSISTOR 8
3503 BC847B TRANSISTOR 4
3504 BC857B TRANSISTOR 3
3508 34072 IC (SMD TL072) 1
3611 TIP32C TRANSISTOR 1
3807 SAP15N 4
3808 SAP15P 4
3901 7815 IC 1
3902 7915 IC 1
4000 1K HORIZ PRESET 6
5006 20 TURN COIL 2

Assembly List For ( 006348 ) Output PCB Assembly
Stock Code Item Qty Req
5008 TV125 FLAT HEATSINK 3
5011 TO3P WASHER 8
5022 PCB FUSE CARRIER 4
5043 8 WAY LOCKING HEADER 1
5566 20mm T500ma FUSE(UL) 2
540023 20mm T10A FUSE 2
5609 30A RELAY 2
5657 LED SPACER 12.7MM 4
5686 NEW SPADE TERMINAL 14
9204 NO 4*1/4 PLASTITE 8
9323 CR650 O/P 1
580006 REFER 9234 9
588006 POP RIVET (BLACK) 3
8P-5031 CD650/630 HEATSINK 1

Assembly List For ( 007652 ) Final Assembly
Stock Code Item Qty Req
5005 NEW TYPE MAINS SOCKT 1
5308 80*80*25MM FAN 24V 1
5310 RV98M 1
5503 7.5mm ROUND BLACK 5
5509 SMALL WHITE CAP 14
5511 5MM SOLDER TAG 1
5531 20mm T5A FUSE 1
5542 ROCKER SWITCH 1
5555 80mm METAL FAN GUARD 1
5558 100mm TIE WRAP 10
5571 8 WAY END CONNECTOR 2
5659 SHORT BOARD SPACER 6
5666 RED P402 KNOB 9
5667 BLUE P402 KNOB 18
5668 BEIGE P402 KNOB 17
5669 YELLOW CONTROL KNOB 1
6347 Preamp PCB Assembly 1
6348 Output PCB Assembly 1
9151 3mm INT SHAKEPROOF 6
9171 M5 INT SHAKEPROOF 2
9173 5*12mm PAN POZI 1
9181 5mm BRASS HEX NUT 1
9189 5mm CAGE NUT 4
9200 NO 6*3/8 FLANGE POZI 6
9201 No8*3/8 PLASTITE 4
9204 NO 4*1/4 PLASTITE 26
9217 4mm NUTSERT 8
10004 MONO JACK SOCKET 4
530066 SPEAKON SOCKET 1
540038 EARTH WARNING LABEL 1
541004 HC25/50 4.8 FASTON 15
541053 1/4" LG RECEPTACLE 4
586004 M8 * 70 CUP SQUARE 1
586023 8mm SHKPRF WASHER 1
588006 POP RIVET (BLACK) 4
5P-587003 30mm WASHER 1
8P-8850 CD650 FACIA 1
8P-8851 CD650 REAR 1
8P-8852 CD630/650 SIDE 2
8T-6134 CD650 MAINS 1

Assembly List For ( 20464 ) Cabinet Assembly
Stock Code Item Qty Req
10039 PENN CORNER C1839K 8
10055 PLASTIC CABINET FOOT 4
10100 STRAP HANDLE 1
10200 M5 x 10mm TEENUT 2
10202 5mm X 25mm CSK POZI 2
10209 5*35mm PAN POZI 4
10224 35mm FINISHED NAILS 30
10231 No8x1/2" FLANGE POZI 16
10234 No 8 X 3/4 CSK POZI 4
10301 18mm CHIPBOARD 0
10321 DB CARPET 1.5M WIDTH 0
10454 CARTON CD630 1
10600 32/18 STAPLES 12
10621 POLY. BAG 30(0) X 36 1
10629 MASKING TAPE 1.5" 1

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