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There are currently no product reviews.
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I received a good service manual, with good resolution. Improve the instructions for the purchase because they are not well understood.
For the rest, so good.
Thanks Angel.
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Very good documentation for the Grundig 2077 model (as well as similar 800/900/1000 series radios). The first two pages are a summary of reception specifications and output capability. The third page is the tuner dial indicator and dial cord routing diagram. the final ~5 pages are the schematics for the various models (including 2077). The scan quality of the schematics are good, adn can be easily read if zoomed in. The documents are in German, not English as stated. It would have been nice to have the tuning sequence and settings, and some trouble shooting materials... or component and wiring map.
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Perfect like it was descriped, Perfect like it was descriped
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Very good detail, all pages clear, exactly what I needed
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Excellent service, and just what I needed to service my TU-7700. All pages of the manual are clear and easily readable.
SDP-5 Serial Communications Protocol
Printed on: 04/01/03
5 Data Link Layer
The data link layer is used to define a transmission packet. The layer appends a header and tail that encloses the transmitted application packet data. The data link header will contain the start of packet byte and count of bytes to follow. The data link tail will contain the end of packet byte. Data Link Header: Byte Number Description First Byte(0) Start of Packet (SOP) Byte(1) DLL Data Count Application Header: Byte(2) Command APP Data Count (number of application data bytes to Byte(3) Follow) Application Data: Byte(4) Byte(5) � Last Data Byte -1 Data Link Tail: Last Byte Value 0xF1 nn
nn nn
Data[0] Data[1] Data[�] Data[Data Count -1]
nn nn nn nn
End of Packet (EOP)
0xF2
5.1 Errors
If the number of DLL data bytes received is the same as the data count and an EOP has not been received, the SDP-5 responds by transmitting a NAK packet with an error code DC_ERR_INVALID_PACKET. The SDP-5 then continues to look for a SOP byte and will not process the erroneous application packet. The HOST can use this as an indicator to retransmit the corrupted packet. In addition, each byte of a packet must be received sequentially and within the INTER_PACKET_TIME. If any of the bytes within a packet transmission exceeds the INTER_PACKET_TIME, the SDP-5 will respond by transmitting a NAK packet with an error code DC_ERR_INVALID_PACKET. The SDP-5 then continues to look for a SOP byte and will not process the erroneous application packet. The HOST can use this as an indicator to retransmit the corrupted packet.
6 Application Layer 6.1 SDP-5 Asynchronous Notification Packets
SDP-5 has been designed to transmit the asynchronous notification packets following these system changes: 1. Power On 2. Entering Standby 3. Front Panel Display update 4. Parameter Value Changes.
© 2003 JBL, Inc. All rights reserved.
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 $4.99 SDP-5 JBL
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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