Read Sony DAV-DZ230 / DAV-DZ231 / DAV-HDZ235 / HCD-DZ230 / HCD-DZ231 / HCD-HDZ235 Service Manual online
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HCD-DZ230/DZ231/HDZ235
MAIN BOARD IC501 M30622MEP-B02FPU0 (DZ230/DZ231), M30622MEP-B03FPU0 (HDZ235) (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAMP_SCDT/
O
DAMP processor data output
DIAT_SDATA/DIR_DIN
2
DAMP_SHIFT/
O
DAMP processor clock output
DIAT_SCLK/DIR_CLK
3
CEC_RX_IN
I
CEC data input
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 (Ground terminal)
9
CNVSS
I
Change processor mode (Pull down)
10, 11
EN_A, EN_B
I
Volume control for ENCODER (Pull up)
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 (BUP+3.3V)
17
NMI
I
Not used (Fixed to “H” (+3.3V))
18
NO USE
O
Not used (Open)
19
A.CAL_OUT_LEVEL
I
Out level detect for auto calibration
20
AC_CUT
I
Detect AC-CUT
21
FL_CLK/LED_CLK
O
FL and LED driver clock output
22
CEC_TX_OUT
O
CEC data output
23
NO USE
I
Not used (Fixed to “L”)
24
FL_D_OUT/LED_DATA
O
FL and LED driver data output
25
NO USE
—
Not used (Open)
26
MIC_GAIN
O
MIC gain control
27
CDM_OPEN_SW
I
CDM open switch input
28
DC_CONT
O
A.CAL MIC DC control output
29
CLINK_RX_IN
I
C-Link data input (HDZ235: Not used (Fixed to “L”))
30
CLINK_TX_OUT
O
C-Link data output (HDZ235: Not used)
31
DVD_SID
O
Media Tek data out / Flash write TXD1
32
DVD_SOD
I
Media Tek data in / Flash write RXD1
33
DVD_SCO
I
Media Tek clock in / Flash write CLK1
34
DVD_XIFBUSY
O
Media Tek busy request / Flash write RTS1
35
NO USE
O
Not used (Open)
36
NO USE
O
Not used (Open)
37
DVD XIFCS
I
Media Tek chip select
38
MTK RST
O
Media Tek reset
39
P_CONT1
O
Control for power supply 1
40
P_CONT2
O
Control for power supply 2
41
P_CONT3
O
Control for power supply 3
42
DRIVE_RST(EN)
O
DAMP driver reset
43
DRIVE_OCP(DIAG)
I
DAMP driver shut down
44
OVERFLOW1
I
DAMP processor F/C/S over flow detect
45
OVERFLOW2
I
DAMP processor SW over flow detect
46
WRITE CE
I
Flash write CE (not used (Fixed to “H” (+3.3V)))
47
DAMP LATCH1
O
DAMP processor latch1
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