Sony HCD-DZ20, Руководство по обслуживанию

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HCD-DZ20
MAIN BOARD IC501 M30622MEP-B20FPU0 (SYSTEM CONTROLLER)
Pin No. Pin Name I/O Description
1 DAMP_SCDT O Digital amp (IC3010, 3020, 3030) data output
2 DAMP_SHIFT O Digital amp (IC3010, 3020, 3030) data output
3 NO USE O Not used (Open)
4 SIRCS_IN I Sircs input
5 NO USE O Not used (Open)
6 NO USE O Not used (Open)
7 NO USE O Not used (Open)
8 BYTE I External data bus (Fixed to “L”)
9 CNVSS I Change processor mode (not used)
10 EN_A I Volume signal (A) input from ENCODER
11 EN_B I Volume signal (B) input from ENCODER
12 RESET I System reset signal input
13 XOUT O Crystal output for main clock (5MHz)
14 VSS — Ground terminal
15 XIN I Crystal input for main clock (5MHz)
16 VCC — Power supply (+3.3V)
17 NMI I Fixed to “H:+3.3V Line”
18 NO USE O Not used (Open)
19 A.CAL_OUT_LEVEL I OUT level detect for auto calibration (not used (Fixed to “L”))
20 AC_CUT I Detect AC-CUT (primary power off)
21 FL_CLK/LED_CLK O FL driver (IC802) clock output
22 NO USE O Not used (Open)
23 NO USE O Not used (Open)
24 FL_D_OUT/LED_DATA O FL driver (IC802) data output
25 NO USE O Not used (Open)
26 MIC_GAIN O MIC gain control output (not used (Open))
27 CDM_OPEN_SW I CDM open switch input
28 DC_CONT O A.CAL MIC DC Control (not used (Open))
29 CLINK_RX_IN I C-Link data input (not used)
30 CLINK_TX_OUT O C-Link data output (not used)
31 DVD_SID O SID data output to DVD RF (IC1101)
32 DVD_SOD I SOD data input from DVD RF (IC1101)
33 DVD_SCO I Clock signal input from DVD RF (IC1101)
34 DVD_XIFBUSY O IFBUSY signal output to DVD RF (IC1101)
35 NO USE O Not used (Open)
36 NO USE O Not used (Open)
37 DVDXIFCS I DVD RF (IC1101) chip select signal input
38 MTKRST O DVD RF (IC1101) reset signal output
39 P_CONT1 O Power supply control signal 1 output
40 P_CONT2 O Power supply control signal 2 output
41 P_CONT3 O Power supply control signal 3 output
42 DRIVE_RST (EN) O Power driver (IC3100, 3150, 3200, 3250, 3300, 3400) reset signal output
43 DRIVE_OCP (DIAG) I Power driver (IC3100, 3150, 3200, 3250, 3300, 3400) shut down signal input
44 OVERFLOW1 I Over flow detect input from digital amp F/C/S (IC3010, 3020, 3030)
45 OVERFLOW2 I Over flow detect input from digital amp SW (IC3030)
46 WRITE CE I Flash Write CE (not used (Fixed to “H:+3.3V Line”))
47 DAMP_LATCH1 O Digital amp (IC3010) chip select1 signal output
48 DAMP_LATCH2 O Digital amp (IC3020) chip select1 signal output
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