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D |
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| VPOS |
| D |
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| R419 |
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| 100R SM |
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| R415 |
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| R416 |
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| R400 |
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| 100R SM |
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| 100R SM |
| PRE DRIVER |
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| 10K SM |
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| PNP CURRENT MIRROR |
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| TR410 |
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| TR400 |
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| TR401 |
| FMMT497 |
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| FMMT597 |
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| FMMT597 |
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| R401 |
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+ |
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| 10K SM |
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C400 | DZ400 |
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| R421 |
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| TR402 |
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100U EL | 15V 350MW SM |
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| TR409 | 22R SM |
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| FMMT597 |
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| TR421 | FMMT497 |
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| FMMT597 | R438 |
| OUTPUT STAGE |
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| R429 | R405 | VI PROTECT |
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| C407 |
| 150R SM |
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| D401 |
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| 4K7 SM | 10K SM | SIGNAL TO MICRO |
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| R433 |
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| TP407 |
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0V_HF |
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| TR418 |
| R434 | BAS16W SM |
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| 3K3 SM |
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| SAP15N |
| 22K SM |
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| VIPROT |
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| 100P SM |
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| TR411 |
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| R406 | + C405 | DZ405 |
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| TP405 | R441 |
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| FMMT497 | C417 | DC SERVO |
| BOOTSTRAP |
| R447 | TR412 | D403 | R449 |
| TR413 | 10K SM | 10U EL | 4V7 350MW SM |
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| 330R SM | FMMT497 | 1N4003F |
| FMMT497 |
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| R445 100R SM |
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| 100R SM |
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| 470N PE |
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| + C402 |
| R425 | R443 |
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| C410 |
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| IC400B | 6 | R430 |
| 100U EL 100V | ADJ BIAS | 1K0 SM | 100R SM | 0R0 SM |
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| 100N SM |
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| 1M0 SM |
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| 0V_HF |
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| 5 |
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| PL400 | + C403 |
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| RV400 | R440 |
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| 0V_SIG |
| R428 | TL072CD | 0V_SIG |
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| 1 | 100U EL |
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| 100R PSET | 100K SM | 2 |
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| 4K7 SM |
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| R452 |
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| R451 |
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C |
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| V TO I AMP |
| TP402 |
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| R431 |
| 470R 2W MF 5% | D400 |
| MEASURE |
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| 10R MF |
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| C | |
INPUT FILTER |
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| BAS16W SM |
| BIAS |
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| 0V_SIG |
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| 1K5 SM |
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| L400 |
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| R424 |
| 3 | 8 |
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| (SET TO 16 mV) |
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INPUT |
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| IC400A |
| TP404 | R432 |
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| OUTPUT |
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1K0 SM |
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| 1 |
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| 2 |
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| 1K8 SM |
| 470R 2W MF 5% |
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| DC OFFSET SIGNAL |
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| 2U2H LAC SMALL |
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DZ402 |
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| 4 | TL072CD |
| R422 |
| R453 |
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| TO MICRO |
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R427 |
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| 22R SM |
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| R450 |
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4V7 350MW SM |
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| R455 |
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| DCPROT |
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22K SM |
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| R403 |
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| 5R6 2W CF |
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| 6K8 SM |
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| TR422 | + C418 |
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| + C404 |
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| 10K SM |
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| ZOBEL NETWORK |
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DZ403 |
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| C412 |
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| C416 |
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| R437 |
| FMMT497 |
| 10U EL |
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| 100U EL |
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| TR405 |
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4V7 350MW SM |
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| 10N SM |
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| DC OFFSET |
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| 470P PPW |
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| 22R SM |
| C411 |
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| FMMT597 |
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| C419 |
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0V_SIG |
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| 100N PC |
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| R426 | R444 | R446 |
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| R404 | DETECTION |
| 100N PE |
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| TP403 |
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| R454 |
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| 1K0 SM | 100R SM | 0R0 SM |
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| 10K SM |
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| C413 |
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0V_SIG | C409 |
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| + C406 |
| TR404 |
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| 0V_SIG |
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| 1K0 SM |
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| R448 | D404 |
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| R408 |
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| 0V_LS |
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| 100N SM |
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| 100U EL 100V |
| TP406 | R442 | FMMT597 |
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| TR403 |
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| 100R SM |
| 1N4003F |
| R402 |
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| 22K SM |
| 100N SM |
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| 0V_HF |
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| BOOTSTRAP |
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| R407 |
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| FMMT597 |
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| 330R SM |
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| 10K SM |
| 0V_HF |
| 0V_LS |
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| C408 |
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| R436 |
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| 10K SM |
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| C414 |
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| R435 |
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| D402 |
| TP408 |
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| TR419 |
| 22K SM |
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| TR416 |
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| 100N SM |
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| 3K3 SM | 100P SM |
| R439 |
| SAP15P |
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| BAS16W SM |
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| FMMT497 |
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| DZ401 |
| 0V_SIG |
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| TR420 | 150R SM |
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| DZ406 |
| R410 | R413 |
| C420 | R414 |
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| FMMT497 |
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| OUTPUT STAGE |
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| 4V7 350MW SM | 4K7 SM | 10K SM | 100U NP | 10K SM |
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+ | 15V 350MW SM |
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| C415 |
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0V_HF |
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| TR406 | R423 |
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| 100N SM |
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C401 |
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| 0V_HF |
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100U EL |
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| FMMT597 | 22R SM |
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| 0V_HF |
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| TR414 |
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| TR415 |
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| R409 |
| FMMT497 |
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| FMMT497 |
| TR407 |
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| 10K SM |
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| FMMT597 |
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| TR408 |
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| NPN CURRENT MIRROR |
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| PRE DRIVER |
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| FMMT597 |
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| R417 |
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| R418 |
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| R411 |
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B |
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| 100R SM |
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| 100R SM |
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| 10K SM |
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| B |
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| TR417 |
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| R420 |
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| R412 | FMMT497 |
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| 100R SM |
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| 10K SM |
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| VNEG |
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A |
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| A |
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| DRAWING TITLE |
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| A85 amplifier - power output stage right |
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| 23425 | Notes: |
| Circuit Diagram |
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| 02_E062 | JBR | 20/3/02 | LDO REG FITTED TO IC201 |
| 4.1 | |||
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| A & R Cambridge Ltd. |
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| Pembroke Avenue |
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| 02_E035 | JBR | 4/2/2002 FUSE VALUES UPRATED TO T4A |
| 4.0 | ||
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| Denny Industrial Centre |
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| ECO No. | INITIALS | DATE |
| DESCRIPTION OF CHANGE | ISSUE | |
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| Waterbeach | Filename |
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| Drawn by: | ||||||
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| Date Printed |
| Sheet 4 of 4 |
| L882C4 | ||||
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| Cambridge CB5 9PB |
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| DRAWING NO. | ||||||
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| L882C4_4.1.SCH |
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| J Reckless | ||||||
1 |
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| 8 |
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