Sony STR-DA6400ES Service Manual page 190

STR-DA6400ES
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DISPLAY BOARD IC105 uPD78F0527GB(S)-UET-A (UPDATE SIGNAL CONVERTER)
Pin No. Pin Name
1 to 4 NO USE
5 RESET
6, 7 NO USE
8 FLMD0
9 OSC OUT
10 OSC IN
11 REGC
12 VSS
13 VDD
BAUDRATE3 to
14 to 16
BAUDRATE1
17 NO USE
18 P33
19 to 30 NO USE
31 IR OUT
32 NO USE
33 NO USE
34 NO USE
35 NO USE
36 UART IN
37 UART OUT
38 AVREF
39 AVSS
40 to 47 NO USE
TE
48 LEARN LED
L 13942296513
49, 50 NO USE
51 LEARN CIR ON
52 LEARN IR IN
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I/O
- Not used
I Reset signal input from the system controller
- Not used
I Serial data input terminal
O System clock output terminal (5MHz)
I System clock input terminal (5MHz)
I Connected to the external capacitor
- Ground terminal
- Power supply terminal (+3.2V)
I Baud rate setting terminal
- Not used
O Serial data output terminal
- Not used
O IR signal output terminal
- Not used
I Update signal input terminal
O Update signal output terminal
- Not used
I IR learning UCOM UART signal input from the system controller
O IR learning UCOM UART signal output to the system controller
I Reference voltage (+3.2V) input terminal
- Ground terminal
- Not used
- Not used
- Not used
O Learning circuit on signal output terminal
I Learning IR signal input to the wave shapper
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8
Description
Not used
Not used
Not used
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3 6 7 1 3 1 5
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9 4 2 8
0 5 8 2 9 9 4 2 8
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