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It´s very very nice manual with all, what i need. Original in good quality. Very fast business. Very much thanks...
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Purchased the manual that I was looking for at a great price and could download it easily.. Great service experience and for future purchases I plan to use the site.
Thank you very much
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Exactly what was needed to assess the product - excellent value and great service
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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
TX-SR702/E IC BLOCK DIAGRAMS AND DESCRIPTIONS
M66005-0001AFP(FL tube drive IC)
Vcc1 19 DISPLAY CODE RAM (8 bits 16) Vcc2 60 23 SEG36
~ ~ ~ ~ ~ ~ ~
CGROM (35 bits 160) SELECT/OUTPUT CIRCUIT
31 SEG28 33 SEG27
~
CS SCK SDATA
14 15 16 SERIAL RECEIVE CIRCUIT CONTROL CIRCUIT RAM write CGRAM (35 bits 16)
59 SEG01
SEGMENT/DIGIT SEGMENT OUTPUT CIRCUIT
CODE/
61
DIG16/SEG40
COMMAND
64
DIG13/SEG37
RESET 13 Xin 21
INDICATOR CONTROL REGISTER
code selector
17 P1 18 P0 DECODER 1 DIGIT OUTPUT CIRCUIT DIG12
CLOCK GENERATOR CIRCUIT Xout 20
DISPLAY CONTROLLER
12 DIG01
22 Vss
32 Vp
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