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M808A
Type module
Category AMPLIFIERS
Try it simulator & front panel
Earliest dated evidence 1978|11 — named in document
Evidence named in 1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (6).jpg
Confidence low (named by)
All years found 1978|11
Variants M808, M808B, M808C
Folder Modules/AMPLIFIERS/M808A

Front panel

Pinout & connections

No page of its own numbers M808A's contacts: these are its variant M808C's, drawn faded — not confirmed for M808A.

EDGE CONNECTOR · A–SLETTERED SIDE · AS ON M808CABCDEFHJKLMNPRS: INPUT ONE audio in · confidence variant (from a variant) prose · 1994 - M808C - M808C - 808-02-004 - COMPONENT LAYOUT.wp, p. 1 “Input Input One is applied through edge connector pins 15 and S.”SINPUT ONEINEDGE CONNECTOR · 1–15NUMBERED SIDE · AS ON M808C12: ENERGIZED BY MOMENTARILY GROUNDING THE CONTROL T control / tally · confidence variant (from a variant) prose · 1994 - M808C - M808C - 808-02-004 - COMPONENT LAYOUT.wp, p. 1 “Latching Circuit K1 is energized by momentarily grounding the control terminal at pin 2.”2ENERGIZED BY MOMENTARI…CTL3456: BE TIED TOGETHER THEN, THE CANCEL BUSS audio bus / pair · confidence variant (from a variant) prose · 1994 - M808C - M808C - 808-02-004 - COMPONENT LAYOUT.wp, p. 1 “If many cards are to be tied together then, the cancel buss terminals (pin 6), must be tied together.”6BE TIED TOGETHER THEN,…BUS789101112131415: INPUT ONE audio in · confidence variant (from a variant) prose · 1994 - M808C - M808C - 808-02-004 - COMPONENT LAYOUT.wp, p. 1 “Input Input One is applied through edge connector pins 15 and S.”15INPUT ONEIN
KEYIN audio inBUS audio bus / pairCTL control / tallyvariant
M808Apins as on its variant M808C (not confirmed for M808A)M808AINPUT ONES·15BE TIED TOGETHER…6ENERGIZED BY … 2

pinout (SVG) · connections (SVG) · pins (JSON)

Pin evidence — 4 contacts
PinSignalKindConfidenceRead fromSource
2ENERGIZED BY MOMENTARILY GROUNDING THE CONTROL Tcontrol / tallyvariantprose1994 - M808C - M808C - 808-02-004 - COMPONENT…, p. 1
“Latching Circuit K1 is energized by momentarily grounding the control terminal at pin 2.”
6BE TIED TOGETHER THEN, THE CANCEL BUSSaudio bus / pairvariantprose1994 - M808C - M808C - 808-02-004 - COMPONENT…, p. 1
“If many cards are to be tied together then, the cancel buss terminals (pin 6), must be tied together.”
SINPUT ONEaudio invariantprose1994 - M808C - M808C - 808-02-004 - COMPONENT…, p. 1
“Input Input One is applied through edge connector pins 15 and S.”
15INPUT ONEaudio invariantprose1994 - M808C - M808C - 808-02-004 - COMPONENT…, p. 1
“Input Input One is applied through edge connector pins 15 and S.”

Pictures

1994 - M808A - #Schematic #Pinout.jpgIMG_0491-2015-03-04.jpg1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (2).jpg1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (3).jpg1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (4).jpg1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (5).jpg1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (6).jpg1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (7).jpg1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2.jpgWBS - M808A - #Schematic #Pinout.jpg

Photos & scans (1)

Year File
1994|27 1994 - M808A - #Schematic #Pinout.jpg note

Named in other drawings & documents (8)

File Page
IMG_0491-2015-03-04.jpg 1
1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (2).jpg 1
1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (3).jpg 1
1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (4).jpg 1
1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (5).jpg 1
1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (6).jpg 1
1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2 (7).jpg 1
1978 - 808-02-002 - 8x1 RELAY SWITCHER CARD SCHEMATIC - DRN MRW - ENG MRW - ISS 2.jpg 1

Drawings (1)

Each scan with its trace laid over it: the slider runs from the scan to the vector drawing. Click one to see it large and save it as SVG, DXF, KiCad, PDF or PowerPoint.

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WBS - M808A - #Schematic #Pinoutviewer

Read from the drawing title blocks.

Drawing Title Date Drawn by Checked by Iss. Source
— file
An archive by Anthony Peter Kuzub · WBSps.Kuzub.com · WBSps.ca
generated from M808A.md