Heathkit Circuit Board Cross-Reference

Heath P/N Model Used In Description



85-9F102 IM-11 Main Circuit Board
85-9 IM-18 Main Circuit Board
85-9F102 V-7A Main Circuit Board
85-11F141 O-11 Front Circuit Board
85-12F179 IO-12 Small Circuit Board
85-12 IO-18 Small Circuit Board
85-12F179 IO-30 Small Cicuit Board
85-12F142 O-11 Rear Circuit Board
85-12F179 O-12 Small Cicuit Board
85-14F178 IO-12 Large Circuit Board
85-14 IO-18 Large Circuit Board
85-14F178 IO-30 Large Circuit Board
85-14F178 O-12 Large Circuit Board
85-17 PT-1 Am Circuit Board
85-18 PT-1 FM IF Circuit Board
85-19 PT-1 FM Output Circuit Board
85-26F308 GC-1A Main Circuit Board
85-38 GR-91 Main Circuit Board
85-41F701 MI-11 Main Circuit Board
85-51F831 GR-61 Main Circuit Board
85-58F871 GW-52 Main Circuit Board
85-67F901 HM-10 Main Circuit Board
85-69 HW-12 Main Circuit Board
85-69F921P HW-12 Main Circuit Board
85-69P352P HW-12A Main Circuit Board
85-69 HW-18 Main Circuit Board
85-69 HW-18 Main Circuit Board
85-69F922P HW-22 Main Circuit Board
85-69 HW-22A Main Circuit Board
85-78 HP-13 Main Circuit Board
85-78F973 HP-13 Main Circuit Board
85-88 SB-200 Main Circuit Board
85-94 HD-10 Main Circuit Board
85-95 GR-64 Main Circuit Board
85-119P185 SB-301 Noise Limiter Circuit Board
85-121 GR-24 Main Circuit Board
85-127P221 SB-100 Modulator
85-127 SB-101 Modulator Circuit Board
85-127P221 SB-101 Modulator
85-128P222 SB-100 IF Circuit Board
85-128 SB-101 IF Circuit Board
85-128P376 SB-101 IF Circuit Board
85-129P223 SB-100 Bandpass
85-129 SB-101 Bandpass Circuit Board
85-129P452 SB-101 Bandpass
85-130P224 SB-100 Audio
85-130 SB-101 Audio Circuit Board
85-130P224 SB-101 Audio
85-131P225 SB-100 RF-Driver
85-131 SB-101 RF Driver Circuit Board
85-131P225 SB-101 RF-Driver
85-132P226 SB-100 Crystal
85-132 SB-101 Crystal Circuit Board
85-132P226 SB-101 Crystal
85-133P227 SB-100 Het Oscillator
85-133P228 SB-100 Driver Grid
85-133P229 SB-100 Driver Plate
85-133 SB-101 Het / Driver Circuit Board
85-133P227 SB-101 Het Oscillator
85-133P228 SB-101 Driver Grid
85-133P229 SB-101 Driver Plate
85-145P417 GR-180 Sound-Sync
85-145P317 GR-180 Color
85-145 GR-295 Sound-Sync
85-147P302 GR-180 Convergence
85-147 GR-295 Convergence
85-148 GR-180 Color
85-148 GR-295 Color
85-150 GR-1048 Main Circuit Board
85-153P334 SB-301 IF Circuit Board
85-154 SB-401 Mixer Bandpass Circuit Board
85-162P387 TA-16 Main Circuit Board





85-162 TA-27 Main Circuit Board
85-163 AR-15 Power Supply Circuit Board
85-164 AR-15 Power Amp Circuit Board
85-165 AR-15 Phono Preamp Circuit Board
85-166 AR-15 Control Circuit Board
85-167 AR-15 Multiplex Circuit Board
85-173 HW-16 Main Circuit Board
85-173 HW-16 Main Circuit Board
85-174 IP-17 Main Circuit Board
85-205 HW-17 Receiver
85-206 HW-17 Main Circuit Board
85-206 HW-17 Transmitter
85-211 TA-28 Main Circuit Board
85-230-441 GD-3511 Main Circuit Board
85-252 HA-8-8 Main Circuit Board
85-259 IP-18 Main Circuit Board
85-269 TD-17 Main Circuit Board
85-278 GR-78 Main Circuit Board
85-279 MR-18 Switch Circuit Board
85-280 MR-18 Large Circuit Board
85-297 IG-28 Video RF
85-297 IO-101 Video RF Circuit Board
85-299 AR-15 AM-FM Circuit Board
85-301 GR-88 Main Circuit Board
85-309 IP-28 Main Circuit Board
85-311 ID-29 Main Circuit Board
85-315 MI-29 Control Circuit Board
85-336 IG-28 Divider Board
85-336 IO-101 Divider Circuit Board
85-344 SB-220 Main Circuit Board
85-364 GR-681 Vertical Osc
85-365 GR-681 Luminance
85-367 GR-681 Chroma
85-368 GR-681 Oscillator
85-370 MI-29 Battery Circuit Board
85-370 MI-2901 Battery Circuit Board
85-386 GR-88 Main Circuit Board
85-386 GR-98 Main Circuit Board
85-394 HM-102 Circuit Board
85-394 HM-102 Main Circuit Board
85-410 GR-681 Horiz Osc
85-411 GR-681 Pincushion
85-421 GD-79 Main Circuit Board
85-452 SW-717 Main Circuit Board
85-470 IO-102 Power Supply Circuit Board
85-470 IO-103 Power Supply Circuit Board
85-491 IB-102 Main Circuit Board
85-501 ID-101 Main Circuit Board
85-502 MD-19 Main Circuit Board
85-525 AD-110 Main Circuit Board
85-558 GP-21 Main Circuit Board
85-568 GR-681 Sound
85-576 IB-101 Main Circuit Board
85-578 GR-681 Convergence
85-579 GR-681 Video Output
85-1106 IM-104 Main Circuit Board
85-1108 GD-18 Main Circuit Board
85-1167 IT-121 Main Circuit Board
85-1180 GD-348 Audio Circuit Board
85-1181 GD-348 Search Circuit Board
85-1186 HW-7 Main Circuit Board
85-1187 GR-681 AGC-Sync
85-1193 IC-2008 Display Circuit Board
85-1205 SB-104 Oscillator Circuit Board
85-1206 SB-104 Buffer Circuit Board
85-1207 GR-110 Main Circuit Board
85-1215 IB-1102 Main Circuit Board
85-1217 GD-39 Main Circuit Board
85-1233 IC-2008 Main Circuit Board
85-1235 GR-1008 Main Circuit Board
85-1237 GD-600 Main Circuit Board
85-1239 GC-1005 Main Circuit Board
85-1240 GC-1005 Display Circuit Board
85-1246 HA-202 Main Circuit Board
85-1291 GD1053 Main Circuit Board
85-1293 IP-5204 Power Supply Circuit Board
85-1297 IC-2108 Main Circuit Board
85-1298 IC-2108 Key Circuit Board





85-1304 IC-2108 Readout Circuit Board
85-1305 GRA-601 Main Circuit Board
85-1313 GD-1024 Main Circuit Board
85-1316 MI-1031 Main Circuit Board
85-1316 MI-2901 Main Circuit Board
85-1357 GD-1018 Main Circuit Board
85-1366 IB-1100 Main Circuit Board
85-1366 IB-1103 Main Circuit Board
85-1386 GD-1026 Main Circuit Board
85-1388 ID-1390 Display Circuit Board
85-1392 HP-1144 Main Circuit Board
85-1396 PK-1 Main Circuit Board
85-1405 GR-1075 Main Circuit Board
85-1412 SBA-104-1 Noise Limiter Circuit Board
85-1429 GC-1092 Main Circuit Board
85-1430 GC-1092 Display Circuit Board
85-1431 ID-1390 Power Supply Circuit Board
85-1443 HM-102 Main Circuit Board
85-1443 HM-2102 Main Circuit Board
85-1443 SB-634 Power Meter Circuit Board
85-1445 SB-650 Main Circuit Board
85-1449 IP-2700 Main Circuit Board
85-1453 IO-4510 Control Circuit Board
85-1464 HD-1250 Oscillator Circuit Board
85-1465 SB-104 Extender Circuit Board
85-1519 SB-614 Main Circuit Board
85-1524 HD-1410 Main Circuit Board
85-1533 IO-4540 Horizontal Circuit Board
85-1534 IO-4560 Sweep Circuit Board
85-1540 IO-4550 Low Voltage Circuit Board
85-1540 IO-4555 Low Voltage Circuit Board
85-1609 HD-1416 Main Circuit Board
85-1615 TM-1626 Main Circuit Board
85-1617 HW-2021 Charger Board
85-1664 IM-4100 Main Circuit Board
85-1665 IM-4100 Display Circuit Board
85-1668 HD-192 Main Circuit Board
85-1668 HD-1982 Main Circuit Board
85-1669 GD-1112 Main Circuit Board
85-1669 GD-1162 Main Circuit Board
85-1677 HW-8 Audio Amp Circuit Board
85-1698 GD-1150 Main Circuit Board
85-1699 GC-1093 Main Circuit Board
85-1712 HD-1250 Detector Circuit Board
85-1716 TD-1089 Main Circuit Board
85-1750 IP-2718 Main Circuit Board
85-1776 HW-2021 Main Circuit Board
85-1784 HW-8 Main Circuit Board
85-1799 GC-1195 Clock Circuit Board
85-1800 GC-1195 Display Circuit Board
85-1801 IG-1272 Main Circuit Board
85-1820 GCA-1195-1 Chimes Circuit Board
85-1843 GR-1183 Main Circuit Board
85-1869 ID-1490 Switch Circuit Board
85-1870 ID-1490 Main Circuit Board
85-1878 VF-7401 VCO Circuit Board
85-1893 ID-1490 Display Circuit Board
85-1919 IB-5281 Main Circuit Board
85-1936 H-8 Mother Circuit Board
85-1955 ID-4001 Display Circuit Board
85-1982 ID-1890 Sensor Circuit Board
85-2017 AA-1600 Protection Circuit Board
85-2018 AA-1600 Amplifier Circuit Board
85-2019 HD-1984 Main Circuit Board
85-2024 GC-1107 Main Circuit Board
85-2036 GD-1187 Main Circuit Board
85-2039 HM-2141 Main Circuit Board
85-2050 AP-1800 Control Circuit Board
85-2058 AP-1800 Speaker Switch Circuit Board
85-2059 AP-1800 Mode Circuit Board
85-2077 GC-1406 Main Circuit Board
85-2079 GD-1287 Main Circuit Board
85-2094 AA-1600 Indicator Circuit Board
85-2102 HA-201 Main Circuit Board
85-2107 H-17 Power Supply Circuit Board
85-2107 H-77 Power Supply Circuit Board
85-2126 AD-1701 Indicator Circuit Board
85-2142 AP-1800 Moving Coil Circuit Board





85-2144 AP-1800 Input Circuit Board
85-2147 H-14 Main Circuit Board
85-2168 GD-1290 Main Circuit Board
85-2194 AD-1701 Main Circuit Board
85-2199 VF-2031 Main Circuit Board
85-2231 VF-2031 Switch Circuit Board
85-2349 VF-7401 Transmitter Circuit Board
85-2350 VF-7401 Main Circuit Board
85-2359 AP-1800 Main Circuit Board
85-2373 ID-2090 Main Circuit Board
85-2382 ID-1890 Switch Circuit Board
85-2392 GD-1246 Main Circuit Board
85-2404 IM-2400 Main Circuit Board
85-2405 IM-2400 Display Circuit Board
85-2447 IT-2250 Main Circuit Board
85-2451 VL-1180 Amplifier Circuit Board
85-2474 VF-7401 Receiver Circuit Board
85-2476 VF-7401 PA Circuit board
85-2519 VL-1180 Antenna Circuit Board
85-2542 MI-2958 Display Circuit Board
85-2585 GR-1009 Main Circuit Board
85-2610 MI-2956 Display Circuit Board
85-2620 IP-2715 Main Circuit Board
85-2620 IP-2760 Main Circuit Board
85-2642 ID-4001 CPU Circuit Board
85-2671 ID-2295 Main Circuit Board
85-2737 SM-2410 Main Circuit Board
85-2755 GD-1530 Main Circuit Board
85-2764 NE-2112 Main Circuit Board
85-2786 HM-9 Main Circuit Board
85-2793 H-120 Main Circuit Board
85-2800 H-207 Calibration Circuit Board
85-2801 HW-9 Oscillator Circuit Board
85-2807 H-207 Controller Circuit Board
85-2816 IP-2717 Main Circuit Board
85-2818 H-217 Data Sep
85-2834 HD-1418 Main Circuit Board
85-2869 GC-1000 Display Circuit Board
85-2875 HVM-122 Video Circuit Board
85-2877 HVM-122 Control Circuit Board
85-2878 HVM-122 Width Circuit Board
85-2897 HD-151 Main Circuit Board
85-2903 GR1902 Cross-Hatch Circuit Board
85-2943 HD-1986 Main Circuit Board
85-2956 SW-7800 Front Panel
85-2957 HW-9 Trans / Rec Circuit Board
85-2960 HD-151 Memory Circuit Board
85-2963 SW-7800 Synthesizer Circuit Board
85-2964 HD-151 Backplane Circuit Board
85-2975 SA-2500 Display Circuit Board
85-2980 HD-151 Disk Controller Circuit Board
85-3004 SW-7800 Receiver Circuit Board
85-3005 SW-7800 Controller Circuit Board
85-3007 RT-1 Keyboard Circuit Board
85-3091 HD-1422 Main Circuit Board
85-3092 HD-1420 Main Circuit Board
85-3093 HD-1424 Main Circuit Board
85-3133 SK-103 Main Circuit Board
85-3137 SK-104 Main Circuit Board
85-3138 SK-105 Main Circuit Board
85-3155 ID-5001 Display Circuit Board
85-3301 GD-1186 A to D Circuit Board
85-3302 GD-1186 Display Circuit Board
85-3303 ID-1390 Main Circuit Board
85-3312 GD-3510 Main Circuit Board
85-3313 ID-1795 Main Circuit Board
85-3656 SK-117 Main Circuit Board

100-M-605 GR-180 Pre-Fab IF
100-935 GR-681 Pre-Fab IF
100-937 GR-681 Pre-Fab AFT
100-6852 GR-295 Pre-Fab IF

230-617 CP-1060 Main Circuit Board
230-1951 GD1156 Main Circuit Board
230-4107 GT-2217 Main Circuit Board
230-4305 GDA-2800 Display Circuit Board





230-4306 GDA-2800 Main Circuit Board
230-4307 GDA-2800 Terminal Circuit Board
230-5499 RM-4 Main Circuit Board
230-5662 GD-3800 Main Circuit Board
230-8002 HK-232 Display Circuit Board
230-8164 HK-232 Main Circuit Board

This cross-reference has been supported by many users having checked the part numbers in their manuals. I have not
personally checked all of the items and errors may exist.


There may be more than one Circuit Board part number for any particular model due to engineering changes.


In general the higher part numbers are newer.


There is a 3rd number on most PC boards that indicate the revision level of the silk screen (ie: 85-123-1).
Any electrical changes to a circuit board were always done with a new part number.