Sony TA-WR2, Service Manual

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15
TA-WR2
• IC Pin Function Description
RX BOARD IC107 MB89537APFM-G-654-BNDE1 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 NC — Not used
2 MOD2 I Setting terminal for the CPU operation mode Fixed at “L” in this set
3, 4 NC — Not used
5 MODEL I Setting terminal for the model
6 SIMUKE I Setting terminal for the destination
7 to 10 NC — Not used
11 AVCC — Power supply terminal (+3.3V) (for A/D converter)
12 AVR I Reference voltage (+3.3V) input terminal (for A/D converter)
13 AVSS — Ground terminal (for A/D converter)
14 DTVAILD I Data valid flag input from the RF demodulator “L”: invalid, “H”: valid
15 CSOD I Captor start delay signal input from the RF demodulator “H”: active
16 NC I Ground terminal
17 AC CUT I AC cut detection signal input terminal “L”: AC cut
18 NC I Ground terminal
Reset signal input terminal “L”: reset
19 /RESET I For several hundreds msec. after the power supply rises, “L” is input, then it
changes to “H”
20, 21 MD0, MD1 I CPU operation mode setting signal input terminal
22 XO O Main system clock output terminal (8 MHz)
23 XI I Main system clock input terminal (8 MHz)
24 VSS — Ground terminal
25 FS2_EX I Not used
26 XRST_INIT O Reset signal output to the RF demodulator and stream processor “L”: reset
27, 28 NC — Not used
29 P23 I Setting terminal for the CPU operation mode Fixed at “L” in this set
30 P22 I Setting terminal for the CPU operation mode Fixed at “H” in this set
31, 32 NC — Not used
33 DAMP_PGMUTE O PG muting on/off control signal output to the stream processor “L”: muting on
34 DAMP_SOFTMUTE O Soft muting on/off control signal output to the stream processor “L”: muting on
35 DAMP_NSPMUTE O NSP muting on/off control signal output to the stream processor “L”: muting on
36 NC — Not used
37 DRIVE_RST O Reset signal output to the power driver “L”: reset
38 DRIVE_OCP I Shut down state input from the power driver “L”: shut down
39 DRIVE_OTW I Overtemperature warning signal input terminal Not used
40 P10 I Setting terminal for the CPU operation mode Fixed at “H” in this set
41 LED_GREEN O LED drive signal output of the ON LINE indicator “H”: LED on
42 LED_RED O LED drive signal output of the POWER indicator “H”: LED on
43 to 47 NC — Not used
48 SCMODE O
Control mode selection signal output to the RF demodulator
“L”: pin setting, “H”: serial setting”
49 NC — Not used
50 XSCEN O Serial interface enable signal output to the RF demodulator
51 DIAT_SCLK O Serial interface data clock signal output to the RF demodulator
52 DIAT_SWDT O Serial interface data write signal output to the RF demodulator
53 DIAT_SRDT I Serial interface data read signal input from the RF demodulator
54 NC — Not used
55 T_SENSE O Not used