McIntosh C2500 Service Manual

78
PARTS LIST cont’d.
DISPLAY PCB 751456 (Cont’d.)
Ref No. Description Part No.
Ref No. Description Part No.
4
MP2 GROMMET 078031
MT1 SENSOR IR 38KHZ 3V-5V RA 121066
PCB1 PC BD DISPLAY 130176
Q1 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q2 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q5 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q39 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q40 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q41 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q42 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q43 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q44 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q45 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
Q46 TRANSISTOR NPN 60V MMBTA05LT1G SMD 132333
R1 RES SMD0805 150 1/8W 1% 145019
R2 RES SMD0805 150 1/8W 1% 145019
R3 RES SMD0805 100K 1/8W 1% 145014
R4 RES SMD0805 100K 1/8W 1% 145014
R7 RES SMD0805 10K 1/8W 1% 145010
R8 RES SMD0805 22.1 1/8W 1% 145003
R11 RES SMD0805 22.1 1/8W 1% 145003
R12 RES SMD0805 100 1/8W 1% 145005
R13 RES SMD0805 10K 1/8W 1% 145010
R14 RES SMD0805 150 1/8W 1% 145019
R15 RES SMD0805 150 1/8W 1% 145019
R16 RES SMD0805 2.21K 1/8W 1% 145024
R19 RES SMD0805 150 1/8W 1% 145019
R28 RES SMD0805 22.1K 1/8W 1% 145012
R29 RES SMD0805 22.1K 1/8W 1% 145012
R30 RES SMD0805 22.1K 1/8W 1% 145012
R34 RES SMD0805 22.1K 1/8W 1% 145012
R37 RES SMD0805 15K 1/8W 1% 145011
R38 RES SMD0805 15K 1/8W 1% 145011
R45 RES SMD0805 1K 1/8W 1% 145007
R46 RES SMD0805 10K 1/8W 1% 145010
R47 RES SMD0805 10K 1/8W 1% 145010
R51 RES SMD0805 22.1K 1/8W 1% 145012
R53 RES SMD0805 10K 1/8W 1% 145010
R55 RES SMD0805 10K 1/8W 1% 145010
R57 RES SMD0805 10K 1/8W 1% 145010
R58 RES SMD0805 10K 1/8W 1% 145010
R64 RES SMD0805 22.1 1/8W 1% 145003
R65 RES SMD0805 22.1 1/8W 1% 145003
R66 RES SMD0805 22.1 1/8W 1% 145003
R67 RES SMD0805 22.1 1/8W 1% 145003
R69 RES SMD0805 22.1 1/8W 1% 145003
R70 RES SMD0805 2.21K 1/8W 1% 145024
R72 “POT 1/4”” HORIZ 1K OHM 1/2W SMD” 134518
R73 “POT 1/4”” HORIZ 500 OHM .5W SMD” 134517
R74 “POT 1/4”” HORIZ 1K OHM 1/2W SMD” 134518
R75 “POT 1/4”” HORIZ 500 OHM .5W SMD” 134517
R94 RES SMD0805 1K 1/8W 1% 145007
R95 RES MO 47 OHM .5W 5% 137102
R96 RES SMD0805 1K 1/8W 1% 145007
R97 RES SMD0805 1K 1/8W 1% 145007
R98 RES SMD0805 100K 1/8W 1% 145014
R99 RES SMD0805 100K 1/8W 1% 145014
R100 RES SMD0805 22.1K 1/8W 1% 145012
R101 RES SMD0805 22.1K 1/8W 1% 145012
R103 RES SMD0805 150K 1/8W 1% 145037
R105 RES SMD0805 150K 1/8W 1% 145037
R106 “POT 1/4”” HORIZ 5K .5W SMD” 134520
R107 “POT 1/4”” HORIZ 5K .5W SMD” 134520
R108 RES SMD0805 221 1/8W 1% 145001
R109 RES SMD0805 221 1/8W 1% 145001
R110 RES SMD0805 2.21M 1/8W 1% 145043
R111 RES SMD0805 2.21M 1/8W 1% 145043
R112 RES MF 2.21 OHM 1% 1/4W 144607
R113 RES MF 2.21 OHM 1% 1/4W 144607
R114 RES SMD0805 1K 1/8W 1% 145007
R115 RES SMD0805 1K 1/8W 1% 145007
R116 RES SMD0805 10K 1/8W 1% 145010
R117 RES SMD0805 10K 1/8W 1% 145010
R201 RES SMD0805 22.1K 1/8W 1% 145012
R202 RES SMD0805 22.1K 1/8W 1% 145012
R203 RES SMD0805 22.1K 1/8W 1% 145012
R204 RES SMD0805 22.1K 1/8W 1% 145012
R209 RES SMD0805 22.1K 1/8W 1% 145012
R210 RES SMD0805 22.1K 1/8W 1% 145012
R211 RES SMD0805 22.1 1/8W 1% 145003
R212 RES SMD0805 22.1 1/8W 1% 145003
R213 RES SMD0805 1K 1/8W 1% 145007
R214 RES SMD0805 1K 1/8W 1% 145007
R216 RES SMD0805 1K 1/8W 1% 145007
R218 RES SMD0805 1K 1/8W 1% 145007
R220 RES SMD0805 1K 1/8W 1% 145007
R249 RES SMD0805 1K 1/8W 1% 145007
R250 RES SMD0805 1K 1/8W 1% 145007
R251 RES SMD0805 221K 1/8W 1% 145038
R252 RES SMD0805 221K 1/8W 1% 145038
S1 ENCODER INCREMENTAL 146261
S2 SWITCH PB TACT 150058
S3 SWITCH PB TACT 150058
S4 SWITCH PB TACT 150058
S5 SWITCH PB TACT 150058
S6 SWITCH PB TACT 150058
S7 SWITCH PB TACT 150058
S8 SWITCH PB TACT 150058
U1 IC DUAL OP-AMP SMD 133714
U3 IC DUAL OP-AMP SMD 133714
U4 IC SINGLE NAND SCHMITT SMD 133724
U5 IC SINGLE NAND SCHMITT SMD 133724
U6 IC SINGLE NAND SCHMITT SMD 133724
U7 IC SINGLE 2-INPUT AND GATE SMD 133502
U10 IC DUAL AMP 33178 SMD 133720
U11 IC DUAL AMP 33178 SMD 133720
U12 IC DUAL AMP 33178 SMD 133720
U25 IC SINGLE 2-INPUT AND GATE SMD 133502
U30 IC 8 BIT DRIVER SMD 133461
3
CONTROL PCB 751457
BRKT1 TERMINAL PC SCREW 117975
C1 CAP ELECT 10UF 50V SMD 066602
C2 CAP MONO .1UF 50V 20% SMD0805 061365
C3 CAP MONO .1UF 50V 20% SMD0805 061365
C4 CAP MONO .1UF 50V 20% SMD0805 061365
C5 CAP MONO .1UF 50V 20% SMD0805 061365
C6 CAP MONO .1UF 50V 20% SMD0805 061365

McIntosh C2500 Specifications

General

Total Harmonic Distortion	0.08%
Signal to Noise Ratio	100dB
Rated Output Voltage	2.5V unbalanced, 5V balanced
Maximum Output Voltage	8V unbalanced, 16V balanced
High Level Voltage Gain	15dB
Type	Vacuum Tube Preamplifier
Inputs	6 unbalanced, 2 balanced, 1 phono MC, 1 phono MM
Outputs	3 unbalanced, 2 balanced
Weight	29 lbs (13.2 kg)
Input Impedance	47k ohms
Phono Voltage Gain	40dB (MM), 60dB (MC)
Frequency Response	+0, -0.5dB from 20Hz to 20, 000Hz +0, -3dB from 10Hz to 100, 000Hz