Sony HCD-FX900KW Service Manual ▷ View online
81
HCD-FX900KW
– DIAT TX XM Board –
IC1801 TK11225CMCL-G
IC1804 CXD4016R
LRCK 49
BCK 50
BCKOUT 51
LRCKOUT 52
CK12 53
CSST 54
VSS 55
VSS 58
XTCK4 60
XSM 61
MST 62
XTST 63
XRST 64
VDD
OSCI 57
56
OSCO 59
AUDIO
INTERFACE
READ-
SOLOMON
PARITY
GENERATOR
PLL
CLOCK
GENERATOR
DTIN
48
DT2 INF
47
APS
41
VSS
40
VDD
APX
39
APVGS
42
APCPO
43
38
PLVAR
37
PLREF
36
TEST5
33
TEST6
34
TEST7
35
VCOT
46
APAVS
45
APAVD
44
MODULATOR
D/A
CONVERTER
BUFFER
RAM
DAVRO
25
VDD
26
VSS
20
VDD
19
VSS
27
TEST0
28
DACK
18
DAPD
17
TEST1
29
TEST2
30
TEST3
31
TEST4
32
DAVREF
24
DAAVS
23
DAAVD
22
DAAOUT
21
CLOCK
SELECTOR
TESTMD
1
SMCK
2
IFEXMD
3
IIFSEL1
4
IIFSEL0
5
EXCKSEL
6
CHNM BL
7
DIVCODE
8
PCMID
9
EMPIN
10
VDD
11
VSS
12
SCLK
13
XSCEN
14
SWDT
15
CSOD
16
CONTROLLER
1
2
3
6
4
CONT
GND
NP
VIN
5
GND
VOUT
CONTROL
CIRCUIT
BANDGAP
REFERENCE
CONSTANT
CURRENT
SOURCE
OVER HEAT &
OVER CURRENT
PROTECT
82
HCD-FX900KW
• IC Pin Function Description
MAIN BOARD IC501 M30626MJP-A07FPU0 (SYSTEM CONTROLLER)
MAIN BOARD IC501 M30626MJP-A07FPU0 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAMP_SCDT/
O
DAMP processor and Diat data output
DIAT_SDATA
2
DAMP_SHIFT/
O
DAMP processor and Diat clock output
DIAT_SCLK
3
DSP_INTR
I
DSP interrupt
4
SIRCS_IN
I
SIRCS input
5
DSP_MOSI/DIR_DIN
O
DSP and DIR data output
6
DSP_MISO
I
DSP data input
7
DSP_SPICLK/DIR_CLK
O
DSP/DIR clock output
8
BYTE
I
External data bus (Ground terminal)
9
CNVSS
I
Change processor mode
10
EN_A/DAMP FSDLY
I
S-master FSDLY select switch (connected to +3.3V)
11
EN_B/FL_RESET
O
FL driver (ML9208) reset
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 (connected to +3.3V)
18
DIR_ZERO
I
DIR zero data detect
19
DIR_CSFLAG/A.CAL
_OUT_LEVEL
I
DIR_CSFLAG input
20
AC_CUT
I
Detect AC-CUT
21
FL_CLK/LED_CLK
O
FL and LED driver clock output
22
LED_LAT
O
LED driver latch
23
DIAT_CSOD
I
DIAT CSOD signal input
24
FL_D_OUT/LED_DATA
O
FL and LED driver data output
25
FL_CS/STB
O
FL driver chip select
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
I2C_CLK
I/O
I
2
C clock input/output
30
I2C_DATA
I/O
I
2
C data input/output
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
XM_SC_TX_OUT/
MIC_DET_OUT
O
MIC detect status out to Media Tek
36
XM_SC_RX_IN/
KARAOKE mode information from Media Tek
KARAOKE MODE
I
37
DVD XIFCS
O
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
83
HCD-FX900KW
Pin No.
Pin Name
I/O
Description
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
CE
I
Flash write CE (connected to +3.3V)
47
DAMP LATCH1
O
DAMP processor latch1
48
DAMP LATCH2
O
DAMP processor latch2
49
DAMP LATCH3
O
DAMP processor latch3
50
DAMP INIT
O
DAMP processor reset
51
DAMP SOFT MUTE
O
DAMP processor soft muting
52
HP_SW MIC2_SW
I
MIC2 detect
53
HP_MUTE
O
Headphone muting (not used)
54
SRC_MUTE
O
Sampling rate converter mute control
55
DSP_RESET
O
DSP reset
56
DSP_SPIDS
O
DSP device select
57
SEL_SA-CD
O
DSP input data select
58
DSP_RST
O
DIR reset
59
DSP_HCE
O
DIR chip enable
60
DAMP OUT2DLY/
DIR_ERR
I
DIR ERROR detect
61
DAMP FSDLY/
DIR_XSTATE
I
DIR CLOCK change status
62
VCC
—
Power supply (BUP +3.3V)
63
DIR_HDOUT
I
DIR data in
64
VSS
—
Ground terminal
65
DIAT_XRST
O
DIAT reset
66
DIAT_XSCEN
O
DIAT chip enable
67
SRC_MODEO
O
Sampling rate convertor MODEO control
68
M_ST
O
LINK (Multi STEREO) control (not used)
69
TUNED
I
TUNER tuned input
70
ST_CLK
O
TUNER clock output
71
ST_DO
I
TUNER data input
72
ST_CE
O
TUNER chip enable
73
ST_DI
O
TUNER data output
74
KEY INT
I
Wakeup from ECO mode by power key input
75
RDS_CLK/MIC_CLK/
XM_ERR_IRQ
O
MIC clock signal output
76
RDS-DATA/MIC-DAT/
XM_COM_SEL
O
MIC data signal output
77
XM_RESET
O
XM reset (not used)
78
DABSEL/XMSEL
O
XM clock select (not used)
79
V_SEL0
O
VIDEO selector 0
80
V_SEL1
O
VIDEO selector 1
81
TVSEL/V_SEL3
O
TV /VIDEO selector 3
82
A_SEL0
O
Audio selector 0
83
A_SEL1
O
Audio selector 1
84
V_SEL2
O
VIDEO selector 2
85
IO_CE
O
I/O expander IC chip enable
86
IO_RESET
O
I/O expander IC reset
87
IO_DI
O
I/O expander IC data output
84
HCD-FX900KW
Pin No.
Pin Name
I/O
Description
88
IO_DO/DAMP FSDLY
I
I/O expander IC data input
89
IO_CLK
O
I/O expander IC clock output
90
MONO/ST_DET
I
Front jack MONO or STEREO detect
91
A.CAL MIC LEVEL/
O
MIC level detect for auto calibration or AUDIO selector 2
A.SEL2
92
DESTIATION
I
Destination select input
93
MODEL
I
Model select input
94
KEY2
I
Key input 2 input
95
KEY1
I
Key input 1 input
96
VSS
—
Ground terminal
97
KEY0
I
Key input 0 input
98
VREF
—
Reference voltage (BUP+3.3V)
99
VCC
—
Power supply (BUP+3.3V)
100
MIC/A.CAL SW
I
MIC insert switch
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