Sony HCD-DZ30 Service Manual page 54

HCD-DZ30
MAIN BOARD IC501 M30622MEP-B20FPU0 (SYSTEM CONTROLLER)
Pin No. Pin Name
1 DAMP_SCDT
2 DAMP_SHIFT
3 NO USE
4 SIRCS_IN
5 NO USE
6 NO USE
7 NO USE
8 BYTE
9 CNVSS
10 EN_A
11 EN_B
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 NO USE
19 A.CAL_OUT_LEVEL
20 AC_CUT
21 FL_CLK/LED_CLK
22 NO USE
23 NO USE
24 FL_D_OUT/LED_DATA
25 NO USE
26 MIC_GAIN
27 CDM_OPEN_SW
28 DC_CONT
29 CLINK_RX_IN
30 CLINK_TX_OUT
31 DVD_SID
32 DVD_SOD
33 DVD_SCO
34 DVD_XIFBUSY
35 NO USE
36 NO USE
37 DVDXIFCS
38 MTKRST
39 P_CONT1
40 P_CONT2
41 P_CONT3
42 DRIVE_RST (EN)
43 DRIVE_OCP (DIAG)
44 OVERFLOW1
45 OVERFLOW2
46 WRITE CE
47 DAMP_LATCH1
48 DAMP_LATCH2
49 DAMP_LATCH3
50 DAMP_INIT
51 DAMP_SOFT_MUTE
52 HP_SW
53 HP_MUTE
54 NO USE
55 NO USE
54
I/O
O Digital amp (IC3010, 3020, 3030) data output
O Digital amp (IC3010, 3020, 3030) data output
O Not used (Open)
I Sircs input
O Not used (Open)
O Not used (Open)
O Not used (Open)
I External data bus (Fixed to "L")
I Change processor mode (not used)
I Volume signal (A) input from ENCODER
I Volume signal (B) input from ENCODER
I System reset signal input
O Crystal output for main clock (5MHz)
— Ground terminal
I Crystal input for main clock (5MHz)
— Power supply (+3.3V)
I Fixed to "H:+3.3V Line"
O Not used (Open)
I OUT level detect for auto calibration (not used (Fixed to "L"))
I Detect AC-CUT (primary power off)
O FL driver (IC802) clock output
O Not used (Open)
O Not used (Open)
O FL driver (IC802) data output
O Not used (Open)
O MIC gain control output (not used (Open))
I CDM open switch input
O A.CAL MIC DC Control (not used (Open))
I C-Link data input (not used)
O C-Link data output (not used)
O SID data output to DVD RF (IC1101)
I SOD data input from DVD RF (IC1101)
I Clock signal input from DVD RF (IC1101)
O IFBUSY signal output to DVD RF (IC1101)
O Not used (Open)
O Not used (Open)
I DVD RF (IC1101) chip select signal input
O DVD RF (IC1101) reset signal output
O Power supply control signal 1 output
O Power supply control signal 2 output
O Power supply control signal 3 output
O Power driver (IC3100, 3150, 3200, 3250, 3300, 3400) reset signal output
I Power driver (IC3100, 3150, 3200, 3250, 3300, 3400) shut down signal input
I Over fl ow detect input from digital amp F/C/S (IC3010, 3020, 3030)
I Over fl ow detect input from digital amp SW (IC3030)
I Flash Write CE (not used (Fixed to "H:+3.3V Line"))
O Digital amp (IC3010) chip select1 signal output
O Digital amp (IC3020) chip select1 signal output
O Digital amp (IC3030) chip select1 signal output
O Digital amp (IC3010, 3020, 3030) reset signal output
O Digital amp (IC3010, 3020, 3030) soft muting output
I Headphone detect input (not used (Fixed to "L"))
O Headphone muting (not used)
O Not used
O Not used
Description