Sony HCD-FZ900KW, Service Manual

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HCD-FZ900KW/FZ900M
76
MAIN BOARD (5/10) IC503 R5F3640MDFAR (SYSTEM CONTROL)
Pin No. Pin Name I/O Description
1 DAMP_SCDT/DIR_DIN O DAMP processor data and DIR data output
2 DAMP_SHIFT/DIR_CLK O DAMP processor clock and DIR clock output
3 FL_CS O FL driver chip select signal output
4 SIRCS_IN I Sircs signal input
5 FL_DATA/LED_DATA O FL and LED driver data output
6 CEC_RX_IN I CEC data input
7 FL_CLK/LED_CLK O FL and LED driver clock output
8 BYTE I External data bus input. (Connected to ground)
9 CNVSS I Change processor mode input
10 DIR_ERROR I DIR error detect signal input
11 DIR_RST O DIR reset signal output
12 RESET I System reset signal input
13 XOUT O Crystal output for main clock (5MHz)
14 VSS — Ground
15 XIN I Crystal input for main clock (5MHz)
16 VCC — Power supply (+3.3V)
17 DIR_XSTATE I DIR clock change status signal input
18 DIR_ZERO I DIR ZERO data detect input
19 DIR_CSFLAG I DIR CSFLAG signal input
20 AC_CUT I AC-CUT detect signal input
21 DSP_SF_CE O DSP serial fl ash chip enable signal output
22 DSP_MISO I DSP data input
23 DSP_SPICLK O DSP clock signal output
24 DSP_MOSI O DSP data output
25 DSP_SPIDS O DSP device select signal output
26 CEC_TX_OUT O CEC data output
27 DSP_RESET O DSP reset signal output
28 LED_PWM O LED drive PWM signal output for illumination
29 E2P_CLK/S-AIR_CLK I/O EEPROM /S-AIR serial clock input/output
30 E2P_SDA/S-AIR_SDA I/O EEPROM /S-AIR serial data input/output
31 I2C_DATA/TXD1 I/O Flash Write TXD data input/output
32 I2C_CLK/RXD1 I/O Flash Write RXD data input/output
33 S-AIR_GPIO2/CLK1 I S-AIR interrupt signal input or Flash Write CLK signal input
34 S-AIR_DET/RST1 I S-AIR UNIT detect signal input or Flash Write RST signal input
35 DMP_TX_OUT O DMPORT TXD data output
36 DMP_RX_IN I DMPORT RXD data input
37 S-AIR_RST/C_SWR_SEL O S-AIR reset signal output
38
S-AIR_ADC_SEL/
DRIVER_C_EN
O S-AIR AD converter select signal output
39 P_CONT1 O Power control signal output
40 P_CONT2 O Power control signal output Not used.
41 WRITE EMP P_CONT3 O Power control signal output
42 DC_CONT O A.CAL MIC DC control signal output
43 MIC_GAIN O MIC gain control signal output
44 CDM_OPEN_SW I CDM open switch signal input
45 DVD_RST O Reset signal output
46 WRITE CE I Flash Write CE signal input Not used.
47 DVD_SDI O Serial data output to CDX9917R
48 DVD_SDO I Serial data input from CDX9917R
49 DVD_SCO I Serial clock input from CDX9917R
50 DVD_XIFBUSY O Busy request signal output to CDX9917R
51 DVD XIFCS I Chip select signal input
52
TV_SEL/MIC_DET_OUT/
LED_LAT
O Mic detect status signal output
53 KMODE I KARAOKE mode information signal input.