Collection of Heathkit schematics
Listing shown below, not complete!


   309-C RF Probe
   336 High Volt Probe
   337-C Demod Probe
   342 Low Cap Probe
   A
      A7-E 7W Amp
      A-9C 20W Amplifier
      AA-1 Audio Analyzer
      AA-14 20W Amp
      AA-1600 Power Amp
      AA-161 HiFi 14W Amp
      AA-1640 Audio Power Amp
      AA-21 50 Watt Amp
      AA-30 Stereo Amp
      AC-1 Antenna Tuner
      AD-1305 Equalizer
      AG-10 Sine-Square Gen
      AG-8 Audio Gen
      AG-9a Audio Gen
      AG-9u
      AJ-10 AM-FM Tuner
      AJ-14 FM Stereo Tun
      AJ-15 Stereo Rec
      AM-1 Ant Imp Mtr
      AM-2 Power Meter
      AN-10 Crossover
      AR-14  FM Receiver
      AR-2 Receiver
      AR-27 10 Watt FM Rec
      AR-29 AM FM Rec
      AR-3 Receiver
      AT-1 Transmitter
      AV-1 AC Volt mtr
      AV-3 AC Volt mtr
      AV-3u AC Volt mtr
      AW-1u Audio Watt Mtr
   B
      BC-1a Brdcast Tuner
      BE-4 Batt Eliminator
      BE-5 Batt Eliminator
      BR-1 BC Receiver
      BR-2 BC Receiver
      BT-1 Battery Tester
   C
      CI -1020 W-Sch   Timing Light
      C-1  Condenser Checker
      C-3 Condenser Chkr
      CA-1 Conelrad Ala
      CC-1 CRT Checker
      CI-1  Batt Chrg Indi
      CI-1040
      CM-1 Capacity Meter
      CM-1050 Engine Analyser
      CO-1 Code Osc
      CO-1015 Ignition Analy
      CR-1 Crystal Rec
      CRA-1000-1 Stereo Amp
      CS-1 Cond Substitut
      CT-1 Capacitor Test
   D
      DF-2 Direction Fndr
      DX-100 3x 6146 Mod
      DX-100U internat
      DX-20 Transmitter
      DX-35 Transmitter
      DX-40 Transmitter
      DX-60 Transmitter
      DX-60b Transmitter
   E
      EA-2 HI-FI 12 Watt
      EA-3 HI-FI 12 Watt
      EC-1 Analog Comput
      EF-1 PWR Supply
      ES-201
      ET-1 Enlarger Time
      ET-3100 Design Experm
      ET-3200 Digital Design
      EU-14A
      EU-70a Dual Trace Oscilloscope
      EU-800-HB
      EU-805-11 Input Comparator Module
      EU-900-na Operational Amplifier Card
      EUP-26
      EUW-16 Voltage Reference Source
      EUW-17 Transistor PWR Supply
      EUW-19A Op Amp
      EUW-25 Oscilloscope
   F
      FD-1-6 Vapor Detector
      FM-3a FM Tuner
      FM-4 FM Tuner
      FM-4u FM Tuner
      FMO-1 FM Test Osc
   G
      G-5 Signal generator
      GC-1005 Elect Clock
      GC-1092d Time-Cal Clock
      GC-1107 Digital clock
      GC-1195 Digital clock
      GC-1a Receiver
      GCA-1195-1 Digital clock
      GD-1026 Strobe
      GD-1183 Freezer Failure Alarm
      GD-1246a Recharg Light
      GD-125 Q Multiplier
      GD-1295 Smart OutletBx
      GD-1a  Grid Dip Meter
      GD-1b Grid Dip Meter
      GD-39 Ultrason Alarm
      GD-57  Radio Control
      GD-69 Thumb Tach
      GD-973 SCR Speed Control
      GDA-1205
      GDA-19-2
      GDA-19-42 Dig Prop Servo
      GDA-3209-1 Freezer Failure Alarm
      GDA-405-2 R-C Receiver
      GDA-505-d Radio Control
      GDA-57 Digital Proportional Servo
      GH-12a Microphone
      GP-11  Power Supply
      GR-110 VHF Scanner
      GR-151a Transistor Radio
      GR-151b Receiver
      GR-24 Portable Radio
      GR-25  Colour Television
      GR-54 Receiver
      GR-64 Receiver
      GR-78 Receiver
      GR-81 Receiver
      GR-88 VHF Monitor
      GR-91 Receiver
      GR-98 VHF Monitor
      GRA-88-1 Power Supply
      GW-31a Handheld Transceiver
   H
      H-19 Video Terminal
      HA-10  Amplifier
      HA-14 SSB Linear Amplifier
      HA-20  Amplifier
      HA-201  Amplifier
      HA-202  Amplifier
      HD-1  Distortion Mtr
      HD-10 Elect Keyer
      HD-11  Q-Multiplier
      HD-1250 Dip Meter
      HD-1410 Keyer
      HD-1416 Code Oscillator
      HD-1420  VLF Converter
      HD-1422 Ant Noise Brid
      HD-15 Phone Patch
      HD-16 Code Oscillator
      HD-19 Phone Patch
      HD-1982 Micorder
      HD-20 Crystal Calibrator
      HD-4040 Terminal Node Contr
      HFT-9 QRP Ant Tuner
      HG-10 VFO
      HG-10B VFO
      HK-21 Pocket Packet
      HM-102 SWR-Power
      HM-10a Tunnel Dipper
      HM-11 Power Meter & SWR Bridge
      HM-15 Power Meter
      HM-2102  VHF Watt Meter
      HM-2140 HF Watt Meter
      HM-2140A HF Watt Meter
      HM-2141 HF Watt Meter
      HN-31 Dummy Load
      HO-10 Monitor Scope
      HP-1144 AC Power Supply
      HP-1144A  AC Power Supply
      HP-13a Power Supply
      HP-20 Power Supply
      HP-23 Power Supply
      HP-23a Power Supply
      HP-23b Power Supply
      HP-23C Power Supply
      HP-24 Power Supply
      HR-10b Receiver
      HR-1680 Preselect Wire Rcvr
      HR-20 Receiver
      HRA-10-1 Calibrator
      HS-1661 Station Speaker
      HW-100 Transceiver
      HW-101 Transceiver
      HW-12 Transceiver
      HW-12a Transceiver
      HW-16 Transceiver
      HW-17 Transceiver
      HW-19 Transceiver
      HW-202 Transceiver
      HW-2021 Transceiver
      HW-22 Transceiver
      HW-22a Transceiver
      HW-29a Transceiver
      HW-30 Transceiver
      HW-32 Transceiver
      HW-32a Transceiver
      HW-5400 Transceiver
      HW-7 Transceiver
      HW-8 Transceiver
      HW-9 Transceiver
      HWA-7-1 Power Supply
      HX-10 Transmitter
      HX-11 Transmitter
      HX-20 Transmitter
   I
      IA-1 Ignition Scope
      IB-101 Freq Counter
      IB-102 Freq Scaler
      IB-1101 Freq Counter
      IB-2 Impedance Bridge
      IB-28 Impedance Bridge
      IB-5281 RLC Bridge
      ID-1290 Weather Station
      ID-1390 Thermometer
      ID-1590-1590E  Wind Speed-Dir
      ID-29 Auto Tune-Up Meter
      ID-4001  Weather Station
      ID-5001  Weather Station
      IF Intermediate Frequency List
      IG-1
      IG-102 RF Sig Gen
      IG-1271  Function Gen
      IG-18 Sine-Sq Generator
      IG-28 Color Generator
      IG-42  RF Sig Gen
      IG-5218 Function Gen
      IG-5240 Color Generator
      IG-5280  RF Oscillator
      IG-5282 Audio Generator
      IG-62 Color Generator
      IG-72 AF Signal Gen
      IG-82 Sine-Square Gen
      IM-1 Intermod Analy
      IM-10 VTVM
      IM-102 DVM
      IM-103 Line Voltage Monitor
      IM-104  VOM
      IM-11VTVM
      IM-12 Distortion Meter
      IM-1202 Digital Meter
      IM-13 VTVM
      IM-16  SolidState VOM
      IM-17 VTVM
      IM-18  VTVM
      IM-21  VTVM
      IM-2260 Digital Meter
      IM-2410 Frequency Counter
      IM-4100+SM4100
      IM-4130+SM-4130
      IM-4180 FM Dev Mt
      IM-4190+SM-4190 Bidir Watt
      IM-48  Audio Analyzer
      IM-5238 AC Volt Meter
      IM-5284 Multimeter
      IM-58 Harmonic Dist
      IN-11 Decade Resistor
      IN-17 Decade Resistor
      IN-21  Decade Capacitor
      IN-3127  Decade Capacitor
      IO-10 Oscilloscope
      IO-101  Vector Scope
      IO-102 Oscilloscope
      IO-103 Oscilloscope
      IO-104 Oscilloscope
      IO-12 Oscilloscope
      IO-14 Oscilloscope
      IO-17 Oscilloscope
      IO-18 Oscilloscope
      IO-18u Oscilloscope
      IO-20 Ignition Analyzer
      IO-4105 Oscilloscope
      IO-4205 Oscilloscope
      IO-4510 Oscilloscope
      IO-4550 Oscilloscope
      IP-12  Batt Eliminator
      IP-17 Regulated Supply
      IP-18 Regulated Supply
      IP-20  Regulated Supply
      IP-27  Regulated Supply
      IP-2700 Power Supply
      IP-2710 Power Supply
      IP-2718 Triple-Power Supply
      IP-2720  Power Supply
      IP-2728 Regulated Supply
      IP-2730 Power Supply
      IP-28 Regulated Supply
      IP-32  Power Supply
      IPA-5280 AC Power Supply
      IT-10  Transistor Tester
      IT-11  Cap Checker
      IT-1121 Curve Tracer
      IT-1121 Semcond curve tracer
      IT-12 Signal Tracer
      IT-121 FET-Transistor Tester
      IT-17 Tube Tester
      IT-21 Tube Tester
      IT-22
      IT-28 Cap Checker
      IT-3117 Tube Checker
      IT-3120 FET-Transistor Tester
      IT-3121 Curve Tracer
      IT-5283 Signal Tracer
   L
      LG-1  Signal Generator
   M
      MI-18 Tachometer
      MI-25 Fuel Vapor Detector
      MI-31a ElectronicTach
      MP-10 Power Converter
      MR-1 Receiver
      MT-1 Transmitter
   N
      NE-2112 Heat Sniffer
   O
      O-10 Oscilloscope
      O-11 Oscilloscope
      O-11s Oscilloscope
      OM-2s Oscilloscope
      OM-3 Oscilloscope
      OP-1 Oscilloscope
      OS-1 Oscilloscope
      OS-2 Oscilloscope
   P
      PK-1  Scope Probe
      PK-3  RF Probe
      PK-3a  RF Probe
      PKW-101  O'scope Probe
      PKW-2  O'scope Probe
      PM-2 Mobile meter
      PS-23 AC Power Supply
      PS-3 Power Supply
      PS-4 Power Supply
      PT-1 AM-FM Stereo Tuner
      PT-15 Photo Timer
   Q
      QF-1 Q-Multiplier
      QM-1 Q-Meter
   R
      RC-1 Radiation Counter
      RF-1 RF Signal Generator
      RF-1u RF Signal Generator
      RP-1065 Railroad Throttle
      RX-1 Mohawk Receiver
   S
      S-3s Electronic Switch
      SA-2 Stereo Amp
      SA-2040 Tuner
      SB-10 SSB Adaptor
      SB-100 Transceiver
      SB-1000  Amplifier
      SB-101 Transceiver
      SB-102 Transceiver
      SB-200  Amplifier
      SB-220  Amplifier
      SB-230  Amplifier
      SB-300 Receiver
      SB-301 Receiver
      SB-303 Receiver
      SB-401 Transmitter
      SB-604 Speaker
      SB-610 Monitor Scope
      SB-614 Monitor Scope
      SB-620 Scanalyzer
      SB-630 Station Console
      SB-634 Station Console
      SB-644  Remote VFO
      SB-650 Frequency Display
      SG-8 Signal Generator
      SP-2 Stereo Preamplifier
      SW-717  Receiver
   T
      T-2 Signal Tracer
      T-3 Signal Tracer
      T-4 Signal Tracer
      TA-16 Guitar Amp
      TA-17 Combo Amp
      TC-2 Tube Tester
      TCR-1 Clock Radio
      TD-17  Metronome
      TS-4a TV Align Gen
      TT-1 Tube Tester
      TT-1A Tube Socket Adapter
   U
      UA-1 12 Watt Amplifier
      UT-1 Power Supply
   V
      V-1 VTVM
      V-4 VTVM
      V-4a VTVM
      V-5 VTVM
      V-7a VTVM
      VC-2 Voltage Calibrator
      VF-1  VFO
      VF-2031  Transceiver
      VX-1 Voice Control
   W
      W-2 Amplifier
      W-3am Amplifier
      W-4am Amplifier
      W-5m 25 Watt Amp
      W-6a Amplifier
      W-6C-1a Amplifier
      W-6m Amplifier
      W-7m 55 Watt Amp
      WA-P2  Mono Amp
   X
      XO-1 Crossover
      XR-2 Transistor Radio


If anyone is looking for specific schematics or manuals leave a request and I'll see what can do!