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There are currently no product reviews.
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Very complete and well reading drawings. Documentation is essential for successful repairs.Good documentation, with all that is necessary. This manual was what I was waiting with all the information necessary for the repairing I need it for. You must buy it if you want to do repairs or simply understand how it works.
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Excellent service manual includes everything is need to repair this radio-caseete, how to disassemble, wiring diagram, all , waiting time until the download was only a few hours. I'm going to buy service manuals from here, are cheap and very good.Thank you.
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Good service manual,i saved from scrapping this deck,is now fully functional.Thanks.
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Found this to be the manual included with the original packinging, was helpfull but did not give any detailed repair instructions.
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Complete service manual, was very helpful in repairing this tapedeck.Thanks.
Pin No.
136 137 138 139 140 141 142 143 144
Pin Name
ALE IO BHE IO RD IO IDE_ENA IO IDE_DIR
I/O
I � I � I � I � I Address latch enable. Not used. Bus high enable. Not used. Read signal. Not used. IDE enable. Not used. IDE direction.
Description
IC, BU2872AK Pin No.
1~4 5 6 7 8 9 10 ~ 13 14 15 ~ 25 26 27 28 ~ 37 38 39 ~ 42 43 44
Pin Name
SW1 ~ SW4 SO SI VSS SCK CS K1 ~ K4 VDD S1 ~ S11 G11 VEE G10 ~ G1 VDD L4 ~ L1 VSS OSC
I/O
I O I I I I I I O O I O I O I I/O transmission. (Connected to VSS) Serial data are output to higher bits. Serial data are input from higher bits. Connected to system ground. Serial data is fetched at start-up.
Description
General purpose input terminal. The input data can be sent to microprocessor in serial
Serial initialization at "L". Valid when "H". Key scan data input terminal. Connected to system power supply. Segment output terminal. Output is P-channel open drain having pull-down resistor. Output terminal for grid. Output is P-channel open drain having pull-down resistor. Pull-down resistor for driver output is connected to this terminal. Output terminal for grid. Output is P-channel open drain having pull-down resistor. Connected to system power supply. LED output terminal. CMOS output. (Pin 39 not used) Connected to system ground. External capacitor for oscillation is connected to this terminal.
� 26 �
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