Service Manual: Parts List
See also Replacement Parts.
Computer Board, 30-7225301 |
|||
| Reference | Chroma Part No. | Mfg. No. | Description |
|---|---|---|---|
| C2 | 30-1103005 | ----- | CAP ELECT 10UF 35V 50-10 |
| C3 | 30-1103201 | ----- | CAP ELECT 1UF 35V 20% |
| CR1 | 30-1200101 | 1N34A | DIODE GE |
| CR2 | 30-1200201 | 4001 | RECT 50V 1A |
| Q2,3,4,5 | 30-1302901 | 3904 | TSTR NPN GP |
| Q1 | 30-1305001 | TIP30A | TSTR NPN POWER |
| Z10 | 30-1401803 | 74S02 | IC GATE 4X2I |
| Z11 | 30-1403403 | 74S08 | IC GATE 4X2I, AND |
| Z8 | 30-1406602 | 74S04 | IC HEX INVERT |
| Z9 | 30-1406701 | 74LS74 | ICDUAL D FF PRST CLEAR |
| Z1 | 30-1412101 | 68B09 | IC MICRO COMPUTER |
| Z21-28 | 30-1412601 | 2114L | IC RAM 1K X 4 NMOS |
| Z2 | 30-1412701 | 74LS245 | IC DRIVER BI-DIRECT OCT |
| Z5,6,7 | 30-1413101 | 74S138 | IC 1 OF 8 DEC |
| Z3,4 | 30-1413501 | 74LS367 | IC HEX BUFFER 3 ST |
| Z13-18 | 30-1414001 | 6514-9, 65114-30, 4334P-3 | IC RAM 1K X 4 CMOS 300NS |
| Z12 | 30-1414104 | ----- | IC RES NETWORK 1K 16 PIN ¼W 2% |
| For Z29-36 | 30-2102705 | ----- | SOCKET DUAL IN LINE 24 PIN LP |
| For Z1 | 30-2102706 | ----- | SOCKET DUAL IN LINE 40 PIN LP |
| For Z13-18, Z21-28 | 30-2102707 | ----- | SOCKET DUAL IN LINE 18 PIN LP |
| For P9, 10 | 30-2107701 | ----- | CONN HOUSING FLAT FLEX 15 PIN |
| P9, 10 | 30-2204701 | ----- | CABLE FLAT FLEX 15 COND 15" |
| CY1 | 30-2600302 | ----- | CRYSTAL 16MHZ |
| Z29 | 30-5603201 | ----- | IC EPROM PROGRAMMED |
| Z30 | 30-5603202 | ----- | IC EPROM PROGRAMMED |
| Z29 | 30-5603203 | ----- | IC EPROM PROGRAMMED |
| Z29 | 30-5603204 | ----- | IC EPROM PROGRAMMED |
| Z29 | 30-5603205 | ----- | IC EPROM PROGRAMMED |
| Z29 | 30-5603206 | ----- | IC EPROM PROGRAMMED |
| Z29 | 30-5603207 | ----- | IC EPROM PROGRAMMED |
| Z29 | 30-5603208 | ----- | IC EPROM PROGRAMMED |
I/O Board, 30-7225801 |
|||
| Reference | Chroma Part No. | Mfg. No. | Description |
| R1 | 30-1000909 | ----- | POT ROTARY TRIMMER 10K ¼W 30% |
| R2 | 30-1003001 | ----- | POT SLIDE LINEAR 10K ¼W 20% |
| C32 | 30-1103002 | ----- | CAP ELECT 100UF 10V +50-10% |
| C1,2,3,4,6 | 30-1103005 | ----- | CAP ELECT 10UF 35V 50-10% |
| C5 | 30-1103201 | ----- | CAP ELECT 1UF 35V 20% |
| C20 | 30-1103202 | ----- | CAP ELECT 22UF 35V 20% |
| CR23,24,25.26,27,31 | 30-1200201 | 4001 | REC 50V 1A |
| CR17-22,28,29,30 | 30-1200301 | 4148 | DIODE SIGNAL |
| CR1,3,6,11,14 | 30-1201602 | ----- | DIODE LIGHT EMIT 10MA GREEN |
| CR2,4,7,9,12,15 | 30-1201603 | ----- | DIODE LIGHT EMIT 10MA RED |
| CR5,8,10,13,16 | 30-1201604 | ----- | DIODE LIGHT EMIT 10MA YELLOW |
| Q2 | 30-1300501 | 2222 | TSTR NPN GP |
| Q10 | 30-1301301 | 4392 | TSTR N CHANNEL |
| Q3,4,5,6,7,8,9 | 30-1302901 | 3904 | TSTR NPN GP |
| Q1 | 30-1305501 | TIP29A | TSTR NPN PWR |
| Z2 | 30-1401101 | 1458 | IC DUAL OP AMPL |
| Z48 | 30-1401702 | 74LS00 | IC GATE 4X2I NAND |
| Z49,50 | 30-1402102 | 74LS10 | IC GATE 3X3I NAND |
| Z55 | 30-1402201 | 7412 | IC GATE 3X3I NAND OC |
| Z51 | 30-1402302 | 74LS20 | IC GATE 2X4I NAND |
| Z21 | 30-1406401 | 4558 | IC OP AMPL DUAL |
| Z10,38 | 30-1406701 | 74LS74 | IC DUAL D FF PRST CLEAR |
| Z25,53 | 30-1407601 | 081 | IC OP AMPL FET |
| Z13 | 30-1408001 | 74LS145 | IC DCD-DEC DECODER DRIVER |
| Z12,22,35,42 | 30-1409101 | 74LS175 | IC QUAD D FLIP FLOP |
| Z20 | 30-1409702 | 7523J | IC 8 BIT CMOS DAC |
| Z11,44,45 | 30-1410501 | 74LS393 | IC COUNTER DUAL 4 BIT |
| Z8 | 30-1411001 | 311 | IC VOLTAGE COMP |
| Z18,19 | 30-1411601 | 4175 | IC QUAD D FF |
| Z30 | 30-1411701 | 4174 | IC HEX D FF |
| Z24 | 30-1412301 | 7541 | IC 12 BIT CMOS DAC |
| Z3 | 30-1412501 | 0809 | IC ADC 8 BIT 8 CHANNEL |
| Z5,6,23,26,36,46,47 | 30-1412801 | 74LS374 | IC OCT D FF |
| Z15 | 30-1412802 | 74S374 | IC OCTAL DUAL FLIP FLOP |
| Z32 | 30-1412901 | 74LS373 | IC OCTAL DUAL FLIP FLOP TRAN |
| Z4,16,27,28,34,37 | 30-1413001 | 74LS244 | IC OCT BUF 3 STATE |
| Z39,40,41 | 30-1413102 | 74LS138 | IC 1 OF 8 DECODER |
| Z29 | 20-1413201 | 74LS174 | IC HEX DUAL FLIP FLOP |
| Z43 | 30-1413401 | 74LS153 | IC DUAL 4 CHANNEL |
| Z9 | 30-1413701 | MCT66 | IC DUAL OPTO COUPLE |
| Z14 | 30-1414101 | ----- | IC RES NETWORK 16 PIN 220 OHM ¼W 2% |
| Z52 | 30-1414102 | ----- | IC RES NETWORK 16 PIN 100 OHM ¼W 2% |
| Z17 | 30-1414103 | ----- | IC RES NETWORK 16 PIN 10K ¼W 2% |
| Z54 | 30-1414104 | ----- | IC RES NETWORK 16 PIN 1K ¼W 2% |
| Z1 | 30-1414701 | 324 | IC OP AMPL |
| I1 | 30-1800901 | ----- | DISPLAY LED 7 SEG 2 DIGIT RED |
| I2 | 30-1801001 | ----- | DISPLAY LED 7 SEG 8 DIGIT RED |
| J22 | 30-2101301 | ----- | SOCKET DUAL IN LINE 14 PIN |
| J20,24 | 30-2101302 | ----- | SOCKET DUAL IN LINE 16 PIN |
| For Z10,38 | 30-2102702 | ----- | SOCKET DUAL IN LINE 14 PIN LP |
| For Z20 | 30-2102703 | ----- | SOCKET DUAL IN LINE 16 PIN LP |
| For Z33 | 30-2102705 | ----- | SOCKET DUAL IN LINE 24 PIN LP |
| For Z31 | 30-2102706 | ----- | SOCKET DUAL IN LINE 40 PIN LP |
| For Z24 | 30-2102707 | ----- | SOCKET DUAL IN LINE 18 PIN LP |
| For Z5,6,15 | 30-2102708 | ----- | SOCKET DUAL IN LINE 20 PIN LP |
| For Z3 | 30-2102709 | ----- | SOCKET DUAL IN LINE 28 PIN LP |
| J12 | 30-2102902 | ----- | CONN PLUG WAFER 3 PIN |
| J13 | 30-2104402 | ----- | CONN WAFER PC BD 6 PIN |
| J18 | 30-2104404 | ----- | CONN WAFER PC BD 10 PIN |
| J11 | 30-2104406 | ----- | CONN WAFER PC BD 4 PIN |
| J14,15,16 | 30-2106801 | ----- | CONN FLAT COND 10 PIN |
| J9,10 | 30-2107401 | ----- | CONN RECPT SIP 15 POS |
| J17 | 30-2107501 | ----- | CONN RECPT MALE 26 PIN RT ANGLE |
| 30-2107601 | ----- | LATCH EJECTOR | |
| J1,2 | 30-2108001 | ----- | CONN WAFER PC BD 6 PIN |
| Z33 | 30-5603301 | ----- | IC EPROM PROGRAMMED KEYBOARD SCAN |
Channel Mother Board, 30-7225401 |
|||
| Reference | Chroma Part No. | Mfg. No. | Description |
| C13,14 | 30-1103002 | ----- | CAP ELECT 100UF 10V 20% |
| C4 | 30-1103004 | ----- | CAP ELECT 200UF 6.3V +50-10 |
| C1 | 30-1103005 | ----- | CAP ELECT 10UF 35V 50-15% |
| C2,3 | 30-1103007 | ----- | CAP ELECT 1000UF 16V +50-10 |
| CR2 | 30-1200101 | 1N34A | DIODE GE |
| CR1 | 30-1200301 | 4148 | DIODE SIGNAL |
| Q1,2 | 30-1302901 | 3904 | TSTR NPN GP |
| Z4,6 | 30-1404402 | 4013B | IC DUAL D FF SET/RESET |
| Z16,17 | 30-1404501 | 4016B | IC QUAD BILAT SWITCH |
| Z7 | 30-1405101 | 4071B | IC GATE 4X21 OR |
| Z18,19 | 30-1406401 | IC OP AMPL DUAL | |
| Z20 | 30-1411001 | 311 | IC VOLTAGE COMPARATOR |
| Z1,2,5 | 30-1411601 | 4175 | IC QUAD DUAL FLIP FLOP |
| Z3 | 30-1411701 | 4174 | IC HEX DUAL FLIP FLOP |
| Z14,15 | 30-1414201 | 5837/2688 | IC 1 OF 4 DECODER DUAL |
| Z8,9,10,11,12,13 | 30-1414301 | 4556 | IC 1 OF 4 DECODER DUAL |
| J5-0,1,2,3,4,5,6,7 | 30-2104403 | ----- | CONN WAFER PC BD 8 PIN |
| J7-0,1,2,3,4,5,6,7 | |||
| J8-0,1,2,3,4,5,6,7 | |||
| J6-0,1,2,3,4,5,6,7 | 30-2108601 | ----- | CONN WAFER PC BD 8 PIN |
| P24 | 30-2200807 | ----- | CABLE RIBBON 26 AWG 16 PIN 24" |
Dual Channel Board, 30-7225601 |
|||
| Reference | Chroma Part No. | Mfg. No. | Description |
| R3,4,5,6 | 30-1000105 | ----- | RES WW TC 1.87K 1W 3% |
| R1,2 | 30-1001607 | ----- | POT ROTARY TRIMMER 10K 1/5W 30% |
| C1,2,3,4 | 30-1102301 | ----- | CAP PLASTIC FILM .001UF 100V 10% |
| C15 | 30-1103005 | ----- | CAP ELECT 10UF 35 V 50-10% |
| C13,14,16,17,18 | 30-1103201 | ----- | CAP ELECT 1UF35V 20% |
| C32,33,34,35,36,37,38,39 | 30-1103901 | ----- | CAP POLY FILM .0068UF 50V 10% |
| C24,25,26,27,28,29,30,31 | 30-1103902 | ----- | CAP POLY FILM .033UF 50V 10% |
| CR1,2 | 30-1200301 | 4148 | DIODE GE |
| Q1,4,5,8,9 | 30-1302901 | 3904 | TSTR NPN GP |
| Q2,3,6,7 | 30-1303001 | 3906 | TSTR PNP GP |
| Z1 | 30-1400501 | 3086 | IC TSTR ARRAY |
| Z7 | 30-1400601 | 4011U | IC GATE 4X2I NAND |
| Z19,20 | 30-1404901 | 4051B | IC SINGLE 8-CHAN MULTIPLEXER |
| Z12 | 30-1406201 | 4053B | IC TRIPLE 2-CHAN MULTIPLEXER |
| Z4,10,29 | 30-1406401 | 4558 | IC OP AMPL DUAL |
| Z5,14,21,22,23,24 | 30-1409001 | 082/353 | IC OP AMPL DUAL FET |
| Z8,9,11,15,17,18 | 30-1409501 | 4052B | IC DUAL 4-CHAN MULTIPLEXER |
| Z26,27,28 | 30-1411701 | 4174 | IC HEX DUAL FLIP FLOP |
| Z6 | 30-1413601 | 393 | IC DUAL COMPARATOR OC |
| Z2,3 | 30-1413901 | 4151 | IC VCF CHARGE PUMP |
| Z25 | 30-1414301 | 4556 | IC 1 OF 4 DECODER DUAL |
| Z16 | 30-1414401 | 3360 | IC DUAL VCA |
| Z13 | 30-1414501 | 3350 | IC DUAL VCF |
Left Stack Switch Assembly, 30-7543601 |
|||
| Reference | Chroma Part No. | Mfg. No. | Description |
| Z1 | 30-1408001 | 74LS145 | IC BCD-DEC DECODER DRIVER |
| Z2,3,4,5 | 30-1414103 | ----- | IC RES NETWORK 16 PIN 10K ¼W 2% |
| For P21 | 30-2107701 | ----- | CONN HOUSING FLAT FLEX 15 PIN |
| P21 | 30-2204701 | ----- | CABLE FLAT FLEX 15 COND 2.5" |
| 30-5710701 | ----- | SWITCH LEAF LOW BOUNCE | |
Right Stack Switch Assembly, 30-7543701 |
|||
| Reference | Chroma Part No. | Mfg. No. | Description |
| Z7,8 | 30-1405401 | 339 | IC QUAD COMP |
| Z1 | 30-1408001 | 74LS145 | IC BDC-DEC DECODER DRIVER |
| Z6 | 30-1414102 | ----- | IC RES NETWORK 16 PIN 100 OHM ¼W 2% |
| Z2,3,4,5,9 | 30-1414103 | ----- | IC RES NETWORK 16 PIN 10K ¼W 2% |
| J21 | 30-2107401 | ----- | CONN RECPT SIP 15 POS |
| P20 | 30-2200805 | ----- | CABLE RIBBON 26 AWG 16 PIN 9" |
| 30-5710701 | ----- | SWITCH LEAF LOW BOUNCE | |
EQ Board, 30-7225501 |
|||
| Reference | Chroma Part No. | Mfg. No. | Description |
| R1,5 | 30-1002901 | ----- | POT SLIDE LINEAR 10K 1/5W 20% |
| R2,3,4 | 30-1002902 | ----- | POT SLIDE LINEAR 100K 1/5W 20% |
| C20,21 | 30-1102901 | ----- | CAP ELECT NP 10UF 16V +50-10% |
| C18 | 30-1103001 | ----- | CAP ELECT 4.7UF 35V +100-10% |
| C1,2 | 30-1003005 | ----- | CAP ELECT 10UF 35V +50-10% |
| CR1,2,3,4,5 | 30-1200301 | 4148 | DIODE SIGNAL |
| Q4,6 | 30-1300401 | 2907 | TSTR PNP GP |
| Q3,5 | 30-1300501 | 2222 | TSTR NPN GP |
| Q2 | 30-1302901 | 3904 | TSTR NPN GP |
| Q1 | 30-1304901 | 5485 | TSTR N CHAN FET |
| Z3,4,5,6 | 30-1406401 | 4558 | IC OP AMP DUAL |
| Z1,2 | 30-1414401 | 3360 | IC VCA DUAL |
| J25 | 30-2104402 | ----- | CONN WAFER PC BD 6 PIN |
| J19 | 30-2104408 | ----- | CONN WAFER PC BD 14 PIN |
| J4 | 30-2108002 | ----- | CONN WAFER PC BD 3 PIN |
Power Supply Assembly, 30-7543901 |
|||
| Reference | Chroma Part No. | Mfg. No. | Description |
| R12 | 30-1000112 | ----- | RES WW .120 OHMS 1W 5% |
| R18,25,30 | 30-1000113 | ----- | RES WW 1K 1W 10% |
| R22 | 30-1000909 | ----- | POT ROTARY TRIMMER 10K ¼W 30% |
| R46 | 30-1001601 | ----- | POT ROTARY TRIMMER 100K 1/5W 30% |
| R1,2 | 30-1002801 | ----- | VARISTOR METAL OXIDE 150VAC |
| C7,11 | 30-1101301 | ----- | CAP ELECT 1000UF 50V 75-10% |
| C6,9,15,16 | 30-1103005 | ----- | CAP ELECT 10UF 35V 50-10% |
| C10,12 | 30-1103401 | ----- | CAP ELECT 3.3UF 35V +100-10% |
| CR13 | 30-1200101 | 34A | DIODE GE |
| CR11,12,15,16 | 30-1200301 | 4148 | DIODE SIGNAL |
| CR4 | 30-1200505 | 5257 | DIODE ZENER 33V 5% |
| CR14 | 30-1200506 | 5228B | DIODE ZENER 3.9V 5% |
| CR1,2 | 30-1201701 | MR750 | DIODE RECT 50V 6A |
| CR3,5 | 30-1201901 | 4742 | DIODE ZENER 12V 5% |
| CR6,7,8,9,10 | 30-1202101 | 4002 | DIODE 100V 1A |
| Q3,5,8,10,13 | 30-1302901 | 3904 | TSTR NPN GP |
| Q11,12 | 30-1303001 | 3906 | TSTR PNP GP |
| Z3 | 30-1414801 | 589KH | IC VOLTAGE REFENRECE |
| Z1,2 | 30-1415101 | 358 | IC DUAL OP AMPL |
| 30-1700801 | ----- | FUSE CLIP | |
| J1,2,3 | 30-2108001 | ----- | CONN RECPT PC BD 6 PIN |
| J4 | 30-2108002 | ----- | CONN RECPT PC BD 3 PIN |
| C3 | 30-1104001 | ----- | CAP ELECT 47000UF 7.5V 75-10% |
| Q7,9 | 30-1305301 | TIP110 | TSTR NPN DARL |
| Q6 | 30-1305501 | TIP29A | TSTR NPN PWR |
| Q2,4 | 30-1306401 | IRF531 | TSTR MOS FET POWER |
| Q1 | 30-1306501 | 6258 | TSTR NPN PWR |
| 30-1901501 | ----- | SWITCH SLIDE DPDT | |
| S1 | 30-1905101 | ----- | SWITCH SLIDE DPDT 115V/230V UL |
| 30-2103101 | ----- | CONN RECPT 3 PIN | |
| 30-2108201 | ----- | CONN RECPT 5 PIN | |
| T1 | 30-5710601 | ----- | TRANSFORMER POWER |
| 30-7226001 | ----- | PC BD ASSY OVERVOLTAGE PROTECTOR | |