Studer Listing-0907 List

Service Information Survey

Service Information Bulletins (PDF, on FTP Server), in Chronological Order, as of 22.04.2008

Concerned SI No. Year Subject

A67 4c 1975 PSU

A67 9a 1976 Various improvements A80 VU 12b 1976 Speed conversion A80 VU 13 1976 Electronic tape counter A80 MR 16 1976 Electronic tape counter

A80 R 16 1976 Electronic tape counter

A80 VU 16 1976 Electronic tape counter

089 17 1977 EMT 240 reverb unit 189 17 1977 EMT 240 reverb unit

A80 R 22 1977 Zero locator

A80 VU 22 1977 Zero locator

A67 23 1977 Varispeed

B67 23 1977 Varispeed A80 RC 27 1977 Zero locator

A81 27 1977 Zero locator

089 28 1977 PSU inrush current limiter 189 28 1977 PSU inrush current limiter

B67 30a 1977 Various improvements

B67, A80 31 1978 Measuring Procedure for VU Meter Panels

169 32 1978 Various improvements

A80 R 33 1978 Zero locator A80 RC 33 1978 Zero locator A80 VU 33 1978 Zero locator

A81 33 1978 Zero locator B67 34 1978 Tape counter B67 35 1978 Conversions

TLS2000 37 1978 Generator

169 40 1979 Power supply 269 40 1979 Power supply 089 42 1979 Bargraph level meters 189 42 1979 Bargraph level meters

A800 43 1979 Various improvements

A80 VU 44 1979 Switching code 1.080.811

A800 45 1979 Move sensor replacement

089 48 1980 Studer tape recorder remote

189 48 1980 Studer tape recorder remote A62 48 1980 Remote Module for 089/189 A67 48 1980 Remote Module for 089/189

A80 MR 48 1980 Remote Module for 089/189 A80 QC 48 1980 Remote Module for 089/189

A80 R 48 1980 Remote Module for 089/189 A80 RC 48 1980 Remote Module for 089/189 A80 VU 48 1980 Remote Module for 089/189

B62 48 1980 Remote Module for 089/189 B67 48 1980 Remote Module for 089/189

169 50 1980 Various improvements 269 50 1980 Various improvements

A800 51 1980 Narrow head block

A62 52 1980 A80RC address start IF B62 52 1980 A80RC address start IF

089 53 1980 Speaker protection

A800 55 1980 SW update

A80 RC 56 1980 FM Pilot Tone

169 57 1980 Various improvements 269 57 1980 Various improvements

B67 58 1981 Various improvements

A80 VU 59 1981 Increased bias

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Service Information Survey

Service Information Bulletins (PDF, on FTP Server), in Chronological Order, as of 22.04.2008

Concerned SI No. Year Subject

A80 VU 61 1981 Lapping of multi-track heads

A800 61 1981 Lapping of multi-track heads

A820 MCH 61 1981 Lapping of multi-track heads

A827 61 1981 Lapping of multi-track heads

A80 R 62 1981 Various improvements A80 RC 62 1981 Various improvements A80 VU 63 1981 Various improvements A80 MR 64 1981 Various improvements A80 QC 64 1981 Various improvements

A80 R 64 1981 Various improvements A80 RC 64 1981 Various improvements A80 VU 64 1981 Various improvements

A800 65 1981 TLS2000 / A800

TLS2000 65 1981 TLS2000 / A800

A800 66 1981 TD/audio adjustments

A80 VU 67 1982 Narrow head block

A80 VU-Pre 68 1982 MkII update

A800 70 1982 Extended remote facilities A800 71 1982 Transformerless I/O A800 72 1983 Spooling motor power unit update

B67 73 1983 MkII sync versions service instructions A810 77 1983 Various improvements A800 78 1983 Audio update

A80 VU 79 1983 2" pinch roller

A800 79 1983 2" pinch roller A800 81 1983 SW update

B67 82 1983 Pilot versions alignment

A80 VU xx 1984 Switching Code PCB Replacement A80 MR 83, 83a 1984 Various improvements

A810 84 1984 TC read performance A726 86 1984 MPX output

#2706 87 1984 Tweeter overload protection

A80 VU 88 1984 2" slideable dashpots

TLS4000 89 1985 SW update

A725 90 1985 HW/SW update A810 91 1985 Various improvements A725 92 1985 HW/SW update

A820-2 93 1985 Various improvements

A80 VU 94 1986 MkIV update

A810 95 1986 SW update A800 96 1986 Spooling motor power unit, slew rate limiter

TLS4000 97 1986 SW update

A820-2 98 1986 Prel. alignment instructions

A810 99 1986 SW update

A820-2 100 1986 SW update

A800 101 1986 Tape tension sensor w. hall effect potentiometer A725 102 1986 HW/SW update A810 103 1987 SW update

A80 VU 104 1987 Fan A80 MR 105 1987 Tape tension sensor A80 QC 105 1987 Tape tension sensor

A80 R 105 1987 Tape tension sensor A80 RC 105 1987 Tape tension sensor A80 VU 105 1987 Tape tension sensor

A710 106 1987 Various improvements A812 107 1987 Various improvements

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Service Information Survey

Service Information Bulletins (PDF, on FTP Server), in Chronological Order, as of 22.04.2008

Concerned SI No. Year Subject

SC4008 109 1987 HW update

A820 MCH 110 1987 HW/SW update

A725 111 1987 HW/SW update A807 112 1987 Start improvement

A67 113 1987 TCA561 replacement B67 113 1987 TCA561 replacement

A807 114 1987 SW update

A820 MCH 115 1988 Complement to service instructions manual

A810 116 1988 SW update A727 117, 117a 1988 Update for use with parallel controller A812 118 1988 SW update

A727 119 1988 SW update for parallel controller A820 MCH 120a, 120b 1988 HW/SW update A820 MCH 121 1988 Remote controls - complement to service instructions manual

TLS4000 122 1988 SW update

A725 123 1989 CD drive replacement

A727 123 1989 CD drive replacement

A812 124 1989 SW update

SC4008 126 1989 SW update

A730 127 1989 HW/SW update A820 MCH 128 1989 SW update A820 MCH 129 1989 HW update

A820-2 130 1989 SW update instructions A820-2 131 1989 HW update instructions

A820-2 132 1989 SW update instructions A820 MCH 133 1989 Pinch roller gate A820 MCH 134 1989 Complement to service instructions manual

A727 135 1989 HW/SW update

900 136 1989 Fader care kit 961 136 1989 Fader care kit 962 136 1989 Fader care kit 963 136 1989 Fader care kit 970 136 1989 Fader care kit

A827 07 1990 Audio PCB modifications

A820 MCH 137 1990 Autolocator update

A827 138 1990 SW update

A827 140 1990 Audio SW update D820 MCH 141 1990 SW update D820 MCH 142 1990 Various improvements

A80 VU 143 1991 Servo board 1.630.051.86 SC4008 145 1991 SW update

A820 MCH 146 1991 SW update

Autolocator 147 1991 Modifications

A827 148a 1991 SW update

A827 149a 1991 SW update

A730 150 1991 New servo electronics

A80 VU 151 1991 Tape path improvement

A800 151 1991 Tape path improvement

A800 152 1991 Spooling motor power amp update

SC4016 153 1991 SW options

D820 MCH 154 1991 Modifications, SW update

SC4008 156 1992 SW update

A827 158 1993 SW update D820 MCH 159 1993 Modifications, SW update

D780 160 1993 Shuttle

D827 161a 1995 SW update

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