Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
Return to Master TOC
ELECTRICAL DIAGRAMS |
SCHEMATIC - CHOPPER PC BOARD
|
|
|
|
|
|
| +15 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 19 |
|
|
|
|
| 562 |
|
|
|
|
|
| C4 |
| C10 |
|
|
|
| R10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R3 |
|
|
|
|
|
|
|
|
|
|
| 10.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
| 4.7 |
| 0.1 | D6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| 35V |
| 50V | 3A | /40V |
|
| R11 |
| 19 | 16 | 13 | 10 | 7 | 4 |
|
|
|
| 19 |
|
|
|
|
|
|
|
| Vin + Vc |
| com |
| com |
|
|
|
| 10.0 | 18 | C1 | C2 | C3 | C4 | C5 | C6 |
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||
| DZ1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| G1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
C3 |
|
| DZ4 |
| OUT |
|
|
|
|
|
|
|
| R13 | 15 | G2 |
| A1 |
|
|
|
|
|
| FILTER |
|
|
|
| |
0.1 | 5.1V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
| 8.2V | X2 | GND |
|
|
|
|
|
|
|
| 10.0 | 12 |
|
|
|
|
|
|
|
|
|
|
|
|
| |||
1W |
|
|
|
|
|
|
|
|
|
| G3 |
|
|
|
|
|
|
|
|
|
|
|
| |||||||
50V |
|
| 1W |
| INV IN |
|
|
|
|
|
|
|
| R15 | 9 |
|
|
|
|
|
|
|
| CAPACITOR |
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
| D7 |
| DZ3 |
|
| G4 |
|
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| 10.0 |
|
|
|
|
|
| 80VDC |
|
|
|
| ||||||
|
|
|
|
|
| N.I. IN |
|
|
|
|
|
| 6 |
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
| 16V |
| 4.75K | G5 |
|
|
|
|
|
|
|
|
|
|
|
| ||||
| com |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
| 1W |
| R17 | 3 |
|
|
|
|
|
|
|
|
| (NOMINAL) |
|
|
| |||
|
|
|
|
|
|
|
| 3A | /40V |
|
| R12 | G6 E1 |
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
| 10.0 |
| E2 | E3 | E4 | E5 | E6 |
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 20 | 17 | 14 | 11 | 8 | 5 |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R19 |
|
|
|
|
|
|
|
|
|
|
| 20 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 10.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| 10.0K |
| R21 | C7 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 20 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| to heatsink |
|
|
|
| |||||
|
|
|
|
| 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
| 50V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| com |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| com |
|
| R22 | 2.21K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| J1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 825 |
|
| R4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| to rectifier |
|
|
| |
| R2 |
|
| 1.00K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
PWM | 2 |
| 8 | 7 | 6 |
|
|
|
|
|
|
|
|
| +15 |
|
|
|
|
|
|
|
|
|
|
| to rectifier |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| and |
|
|
| |
INPUT |
|
|
|
|
| OCI1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
D8 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| to negative output |
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
| J1 | NC |
| NC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
| 4 | 5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
4 | 3 |
|
|
|
|
|
|
|
|
| D5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| 1N4936 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| com |
|
|
|
|
|
|
| 150V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 8A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Q1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| D1 | D2 |
|
| R14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| 4.75K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
| J1 | R1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| R16 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
| 1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| 22 to 32 Vac |
| .24 | + t |
|
|
| C5 | 4.75K |
| C2 |
| C1 |
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
| R18 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||
|
| J1 |
|
|
|
| 500 | DZ5 | 50 |
| 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
| 50V | 4.75K | 25V |
| 50V |
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
| 2 |
|
|
|
|
|
|
|
| 16V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
| R20 | 1W |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| J1 |
|
|
|
|
|
| D4 | D3 |
|
| 4.75K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| 3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| GENERAL INFORMATION |
|
| LAST NO. USED | |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
| J1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ELECTRICAL SYMBOLS PER E1537 |
|
| R- | 22 | X- 2 | |||
| 6 |
|
|
|
|
|
|
|
|
|
|
|
|
| com |
|
|
|
|
|
| CAPACITORS = | MFD ( .022/50V | UNLESS OTHERWISE SPECIFIED) |
| C- | 10 | OCI- 1 | ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| LABELS | D- | 8 | DZ- 5 | |||||||
|
|
|
|
|
|
|
| NOTES : |
|
|
|
|
|
|
|
|
|
|
| RESISTORS = Ohms ( |
| 1/4W | UNLESS OTHERWISE SPECIFIED) | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DIODES = | 1A, 400V | (UNLESS OTHERWISE SPECIFIED) | SUPPLY | VOLTAGE NET | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
| N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE |
|
|
|
|
|
|
|
|
|
|
| POWER SUPPLY SOURCE POINT | ||||||||||
|
|
|
|
|
|
|
|
|
| WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY |
|
|
|
|
|
|
|
|
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
| NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE |
|
|
|
|
|
|
|
|
| COMMON CONNECTION | ||||||||||
|
|
|
|
|
|
|
|
|
| NUMBER. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| FRAME CONNECTION | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| FILENAME: | M18709_2FA | ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| EARTH GROUND CONNECTION | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| M 18709 | |
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
