QUAD
SERVICEMANUAL
909STEROPOWERAMPLIFIER
1.SPECIFICATIONS
Frequencyresponse
Signal/noiseratio
LevelOutput
Sensitivity
Dimensions
Weight
12Kg
1
2.ASSEMBLYSKETCH
2
3.ASSEMBLYPARTSLIST
R/P P/N PART NAME DESCRIPTION QUA
1 301-1185000001 REAR PANEL 1
2 302-1185000001 TOP COVER 1
3 303-1185000001 BOTTOM COVER 1
4 309-1185000001 QUAD909 ENCRUST 1
5 088-1040000400 POWER SUPPLY P.C.B 1
6 088-1040000300 CORTROL P.C.B 1
7 088-1040001000 AMPLIFIER P.C.B 2
8 088-1040000800 LED P.C.B 1
9 392-0501800432 FOOT 4
10 231-2016006300 FEEL SELF-ADHESIVE 4
11 533-4001100801A SCREW MT(+)4*10 B Zn D 4
12 533-5001100801A SCREW MT(+)5*10 B Zn D 4
13 533-4001060301A SCREW MT(+)4*6 ZnD 6
14 534-4001120801A SCREW MK(+)4*12 B ZnD 4
15 534-3001080801A SCREW MK(+)3*8 B ZnD 1
16 533-3001080801A SCREW MT(+)3*8ZnD 4
3
4.SCHEMATICDIAGRAM
4
4.SCHEMATICDIAGRAM
(CONTINUE)
5
4.SCHEMATICDIAGRAM
6
5.ELECTRONICPARTSLIST
R/P P/N PART NAME DESCRIPTION REF/N
088-1040000400 POWER SUPPLY P.C.B
1 031-2200515121 FUSES 50T063H FS2,3
2 050-0100070211 FUSES HOLDERS FUC-2
3 006-1534358073 CAPACITOR 15000uF/63V C1~4
4 034-1112000805 BRIDGE DIODES KBU8D D1,2
5 013-4740321004 CAPACITOR B32561-J1474K C5~8
6 053-1040001604 P.C.B 201*55mm PCB1
7 060-1181300000 WIRE 2.8F/130/18(RED) PL1,3
8 060-1181300400 WIRE 2.8F/130/18(BLACK) PL4,6
9 086-0600000000 TERMINALS PC110 PL2,5
088-1040000300 CORTROL.P.C.B
1 013-4710310502 CAPACITOR 470pF5%100VWIMA C1,2
2 013-2220310501 CAPACITOR 2.2nF 100V BOX 5% C3
3 006-1024101733 CAPACITOR 1000uF 16V C4,5
4 006-1004051163 CAPACITOR 10uF 50V C6,7,9,10
5 011-1553501110 CAPACITOR 1.5uFT35V C8
6 013-2240210501 CAPACITOR 220nF BOX 5%63V C11,12,13
7 053-1040001603 P.C.B 107*72mm PCB2
8 067-2204001603 S.M.BARRIERDIODES 1N4004 D1
9 034-3442000108 BRIDGE DIODES DF02M D2
10 050-0100070211 FUSE HOLDERS FUC-2 FH1~4
11 031-2200504121 FUSES 50T010H F1,2
12 017-0340000000 IC OP275GP IC1,2
13 017-0350000000 IC LM337LZ IC3
14 017-0240000000 IC LM317LZ IC4
15 017-0360000000 IC LM393N IC5
16 086-0100000000 TERMINALS 3280-JS-15-M J1
17 086-0200000000 TERMINALS 3820-JS-15-F J2
18 805-2540200000 JIVE 2700-G58 2.54PH 2PIN
19 057-2547001031 3PIN WAFER 2.54PH J4~6
7
5.ELECTRONICPARTSLIST
20 018-1400237115
S.M.TRANSISTORS(SOT-23)
BC237C TO-92 Q1,2
21 018-2800110115 TRANSISTORS J110TO-92 Q3,4
22 018-2800110115
S.M.TRANSISTORS(SOT-23)
BC214C TO-92 Q5
23 003-3302084205 RESISTORS 3.3K RAB08332 RP1,2
24 001-6800205010 RESISTORS 68 1/4W 1% R1,3
25 001-1001205010 RESISTORS 100R 1/4W 1% R18
26 001-2201205010 RESISTORS 220R 1/4W 1% R19,R22
27 001-4701205010 RESISTORS 470R 1/4W 1% R17
28 001-7501205010 RESISTORS 750R 1/4W 1% R25
29 001-1002205010 RESISTORS 1K 1/4W 1% R7,8,27
30 001-1802205010 RESISTORS 1.8K1/4W 1% R4,5
31 001-1202205010 RESISTORS 1K2 1/4W 1% R20,21
32 001-1302205010 RESISTORS 1K3 1/4W 1% R26
33 001-9102205010 RESISTORS 2K 1/4W 1% R2,6,13,14
34 001-2202205010 RESISTORS 2K2 1/4W 1% R31
35 001-3002005010 RESISTORS 3K 1/4W 1% R9,10
36 001-4702205010 RESISTORS 4K7 1/4W 1% R24
37 001-1003205010 RESISTORS 10K 1/4W 1% R15,16,23,29
38 001-2203205010 RESISTORS 22K 1/4W 1% R11,12
39 001-1005205010 RESISTORS 1M 1/4W 1% R28,30
40 086-0300000000 TERMINALS LUGH2071Z01 E1,2,3
41 024-1050101004 RELAYS OVR-SH-205L K1
088-1040001000 AMPLIFIER P.C.B
1 009-3311006000 CAPACITOR 330PF 100V C1,4,6
t 013-3340311004 CAPACITOR
MKT0.33UF5%100V(R60)
C2
3 013-1050321004 CAPACITOR B32561-J1105K C3
4 006-4704081173 CAPACITOR 47Uf63VD=10mm C7
5 012-4703500101 CAPACITOR Silver47pF350VMICA C8
6 006-2214122073 CAPACITOR 220uF63VD=10mm C9C11
7 009-4721006000 CAPACITOR 4n7F 100V C14
8 013-4720211001 CAPACITOR 4n7F 63V C16
8
5.ELECTRONICPARTSLIST
9 013-4730511004 CAPACITOR 47nF 400V C10
10 067-3305235000 BARRIER DIODES DZ6V8 1/2W D1,2,12
11 067-1104148000 S.M.BARRIER DIODES IN4148 D3
12 067-2204004000 S.M.BARRIER DIODES IN4004 D4~9
13 026-2005001100 CHOKE 503966/20uH L1
14 026-0205101100 CHOKE 503276/2uH L2,3
15 026-1595101100 CHOKE 503276/1.5uH L4
16 001-0010609050 RESISTORS 0R1 3W 5%
17 001-0129609050 RESISTORS 0R12 3W 5% R18
18 001-1000206010 RESISTORS 10R 1/4W 1% R40
19 001-1000206010 RESISTORS 10R 1/2W 1% R7,33
20 001-3300205010 RESISTORS 33R 1/4W 1% R4
21 001-2701205010 RESISTORS 270R 1/4W 1% R8
R20~22,26~28,
31,32,34
22 001-3301205010 RESISTORS 330R 1/4W 1% R9,10,15
23 001-5601124050 RESISTORS 560R 4W 5% R16,17
24 001-5601109050 RESISTORS 560R 3W 5% R24
26 001-3302205010 RESISTORS 3K3 1/4W 1% R38,39
27 001-3302107050 RESISTORS 3K31W 5% R14
28 001-5602107050 RESISTORS 5K6 1W 5% R12
29 001-2205205010 RESISTORS 2M2 1/4W 1% R25
R/P P/N PART NAME DESCRIPTION
30 001-2200205010 RESISTORS 22R 1/4W 1% R19,23,29,30
31 001-5601205010 RESISTORS 560R 1/4W 1% R1
32 001-0750205010 RESISTORS 7R5 1/4W 1% R11
33 001-9102205010 RESISTORS 9K1 1/3W 1% R37
34 001-1003205010 RESISTORS 10K 1/4W 1% R13,36,41,42
35 001-2203205010 RESISTORS 22K 1/4W 1% R2,6
36 001-6203205010 RESISTORS 62K 1/4W 1% R5
37 018-3000334115 TRANSISTORS LM334Z TO-92 CR1
38 018-2800503115 TRANSISTORS
J503A(TWOFOOT)TO-92
CR2
39 018-1400560115 TRANSISTORS BC560B TO-92 T1
9
5.ELECTRONICPARTSLIST
40 018-2700043115 TRANSISTORS MPSA43 TO-92 T2
41 018-1400237115 TRANSISTORS BC237C TO-92 T3
42 018-2700093115 TRANSISTORS MPSA43 TO-93 T4,5,6
43 018-3140872111 TRANSISTORS RCA40872-99 TO-92 T7,8
44 018-1815003112 TRANSISTORS Mj15003 TO-3 T9~14
45 018-3200653115 TRANSISTORS ZTX653 TO-92 T15
46 018-3200753115 TRANSISTORS ZTX753 TO-92 T16
47 017-0370000000 IC TLC271CP IC1
48 053-1040001610 P.C.B 188*120mm PCB3
49 086-0600000000 TERMINALS PC110 J1~6
088-10400001608 LED P.C.B
1 053-1040001608 P.C.B 188*120mm PCB4
2 019-0321122001 BARRIER DIODES J5
3 060-2220281100 WIRE 22#(black/green)
4 742-0201000000 BUSH L=20mmö2 black
… … … … … … … ELECTRO-ASSEMBLY
1 022-2000902021 TRANSFORMER B403
R/P P/N PART NAME DESCRIPTION
2 041-2171000000 SWITCH Mk120
3 044-0300000000 SOCKET POWER R3014-2P
4 079-0023000000 PTC RESISTOR T1-6142A-24V~16A
5 046-3100000000 TERMINALS 2P AuD red&black
6 060-0180080100 WIRE 18#L=80mmbrown
7 060-0180080100 WIRE 18#L=80mmblue
8 060-9180170700 WIRE 18#L=170mm yellow
9 060-9180171300 WIRE 18#L=170mm orange
10 051-4600000000 AUDIO TERMINAL Red
11 051-4500000000 AUDIO TERMINAL White
12 055-0002350344 CONNECTING WIRE 2PIN L=350mmblack
13 055-0002170344 CONNECTING WIRE 2PIN L=350mmblack
14 071-1070000000 BELT JY-70
10
5.ELECTRONICPARTSLIST
15 742-0501000000 BUSH
16 085-0081200100 PVC BUSH
17 031-2200515121 FUSE 50T063H 250V 6.3A
18 061-0100000000 FUSES
19 812-0060000000 CONNECTER QUAD LINK 15P L=1M
20 062-5218000110 INLET SCOKET 301RVVZ-2P
11
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