Sony ZS-XN30 - Cd Boombox, Руководство по обслуживанию

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ZS-XN30
CONTROL BOARD IC801 TMP91CY22FG-5GH6 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 VREFL I Reference voltage input terminal (0V)
2 AVSS — Ground terminal
3 AVCC — Power supply terminal (+3.3V)
4 RW/ROM O CD-ROM/RW or LD on/off selection signal output terminal
5 PWM RF O RF offset cancel PWM signal output terminal
6 PWM TE O Tracking error offset cancel PWM signal output terminal
7 EEP CSO O Chip select signsl output terminal Not used
8 PWM FE O Focus error offset cancel PWM signal output terminal
9 LD ON O
Laser diode on/off control signal output to the automatic power control circuit
“H”: laser diode on
10 K-SEL O DNK selection signal input terminal Not used
11 3.3V REG I CD voltage detection signal input terminal
12 XRSTO O System reset signal output to the CD DSP “L”: reset
13 FOKI I Focus OK signal input from the CD DSP “L”: NG, “H”: OK
14 SCORI I Subcode sync (S0+S1) detection signal input from the CD DSP
15 GFSI I Guard frame sync signal input from the CD DSP “L”: NG, “H”: OK
16 XLATO O Serial data latch pulse output to the CD DSP
17 XSOEO O Serial data output enable signal output to CD DSP
18 DATAO O Serial data output to the CD DSP
19 SENSIN I Internal status (SENSE) signal input from the CD DSP
20 CLKO O Serial data transfer clock signal output to the CD DSP
21 R-DATA O
PLL serial data output terminal
22 R-COUNT I
PLL serial data input terminal
23 R-CLOCK O
PLL serial data transfer clock signal output terminal
24 AM0 O Not used
25 DVCC —
Power supply terminal (+3.3V)
26 X2 O System clock output terminal (4.19 MHz)
27 DVSS —
Ground terminal
28 X1 I System clock input terminal (4.19 MHz)
29 AM1 O Not used
30 RESET I
System reset signal input from the reset signal generator “L”: reset
31 SHIFT1 O Shift point terminal for oscillation frequency change
32 SHIFT2 O Not used
33, 34 EMU0, EMU1 O Not used
35 WP I
Key interruption processing start signal input terminal
36 AC-IN O Not used
37 CD DOOR I CD lid open/close detection switch input terminal “L”: CD lid is close
38 REMOTE I
Remote control signal input terminal Not used
39 R-MUTE O Tuner muting on/off control signal output terminal “L”: active
40 R-CE O PLL chip enable signal output terminal
41 EEP-SDA I/O
Two-way serial data bus with the EEPROM
42 EEP-SCL O
Serial clock signal output terminal to the EEPROM
43 ALE O Not used
44 to 51
LCD-AD0 to
LCD-AD7
O LCD serial data output terminal