Sony DAV-DZ250M / DAV-DZ555M / DAV-DZ850M / HCD-DZ250M / HCD-DZ555M / HCD-DZ850M Service Manual ▷ View online
77
HCD-DZ250M/DZ555M/DZ850M
Pin No.
Pin Name
I/O
Description
248
RFRPAC
I
RF ripple detect input (through AC-coupling)
249
HRFZC
I
High frequency RF ripple zero crossing
250
CRTPLP
O
Defect level filter capacitor connecting
251
RFGND
—
Ground terminal
252
OSP
O
RF offset cancellation capacitor connecting
253
OSN
O
RF offset cancellation capacitor connecting
254
RFGC
O
RF AGC loop capacitor connecting for DVD-ROM
255
IREF
I
Current reference input
256
AVDD3
—
Power supply (RF+3.3V)
78
HCD-DZ250M/DZ555M/DZ850M
MAIN BOARD IC501 M30622MEP-B32FPU0 (DZ250M/DZ555M), M30626MHP-B31FPU0 (DZ850M) (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
DAMP_SCD/
O
DAMP processor data output, DIAT serial data output, DIR data output
DIAT_SDATA/DIR_DIN
2
DAMP_SHIFT/
O
DAMP processor clock output, DIAT serial clock output, DIR clock output
DIAT_SCLK/DIR_CLK
3
CEC_RX_IN
I
CEC Data input
4
SIRCS_IN
I
Sircs input
5
DSP_MOSI
O
DSP data output (DZ850M) / Not used (DZ250M/DZ555M)
6
DSP_MISO
I
DSP data input (DZ850M) / Not used (DZ250M/DZ555M)
7
DSP_SPICLK
O
DSP clock output (DZ850M) / Not used (DZ250M/DZ555M)
8
BYTE
I
External data bus (Ground terminal)
9
CNVSS
I
Change processor mode (Fixed to “L”)
10, 11
EN_A, EN_B
I
Volume control for 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 (BUP+3.3V)
17
NMI
I
Not used (Fixed to “H” (BUP+3.3V))
18
DIR_ZERO
I
DIR ZERO data detect input (DZ850M) / Not used (DZ250M/DZ555M)
19
A.CAL_OUT_LEVEL
I
Out level detect for Audio calibration (DZ250M/DZ555M)
DIR_CSFLAG
I
DIR CSFLAG input (DZ850M)
20
AC_CUT
I
AC-CUT detect input
21
FL_CLK/LED_CLK
O
FL and LED driver clock output
22
CEC_TX_OUT
O
CEC data output
23
DIAT_CSOD
I
DIAT CSOD signal input (DZ555M/DZ850M) / Not used (DZ250M)
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 (DZ555M/DZ850M) / Not used (DZ250M)
30
CLINK_TX_OUT
O
C-Link data output (DZ555M/DZ850M) / Not used (DZ250M)
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
MIC_DET_OUT
O
MIC detect status out to Media Tek
36
KARAOKE_MODE
I
KARAOKE mode information from Media Tek
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
CE
I
Not used (Fixed to “H” (E3.3V))
79
HCD-DZ250M/DZ555M/DZ850M
Pin No.
Pin Name
I/O
Description
47
DAMP_LATCH1
O
DAMP processor latch1 signal input
48
DAMP_LATCH2
O
DAMP processor latch2 signal output
49
DAMP_LATCH3
O
DAMP processor latch3 signal output
50
DAMP_INIT
O
DAMP processor reset signal output
51
DAMP_SOFT_MUTE
O
DAMP processor soft muting signal output
52
MIC2_SW
I
MIC2 insert switch
53
NO USE
—
Not used (Open)
54
DSP_SPIDS
O
DSP device select output (DZ850M) / Not used (DZ250M/DZ555M)
55
DSP_RESET
O
DSP reset output (DZ850M) / Not used (DZ250M/DZ555M)
56
FL_STB
O
FL driver chip select output
57
DC_DET
I
Speaker DC detect input
58
DIR_RST
O
DIR reset output (DZ850M) / Not used (DZ250M/DZ555M)
59
DIR_HCE
O
DIR chip enable output (DZ850M) / Not used (DZ250M/DZ555M)
60
DIR_ERROR
I
DIR error detect input (DZ850M) / Not used (DZ250M/DZ555M)
61
DIR_XSTATE
I
DIR clock change status input (DZ850M) / Not used (DZ250M/DZ555M)
62
VCC
—
Power supply (BUP+3.3V)
63
MIC/A.CAL_SW
I
MIC insert switch
64
VSS
—
Ground terminal
65
DIAT_XRST
O
DIAT reset output (DZ555M/DZ850M) / Not used (DZ250M)
66
DIAT_XSCEN
O
DIAT chip enable output (DZ555M/DZ850M) / Not used (DZ250M)
67
NO USE
O
Not used (Open)
68
TUNED
I
TUNER tuned input
69
ST_CLK
O
TUNER clock output
70
ST_DO
I
TUNER data input
71
ST_CE
O
TUNER chip enable
72
ST_DI
O
TUNER data output
73
DSP_INTR
I
DSP interrupt (DZ850M) / Not used (DZ250M/DZ555M)
74
KEY INT
I
Wakeup from ECO mode by key input
75
MIC_CLK
O
MIC electric volume clock out
76
MIC_DAT
O
MIC electric volume data out
77
DIAT_DET
I
DIAT ready detect input (DZ555M/DZ850M) / Not used (DZ250M)
78
NO USE
O
Not used
79
M_ST
O
LINK (Multi STEREO) control signal output (DZ250M/DZ555M)
DSP_SF_CE
O
DSP serial flash chip enable signal output (DZ850M)
80
NO USE
O
Not used (Open)
81
ASEL3
O
Audio selector 3
82
V_SEL0
O
Video selector 0
83
V_SEL1
O
Video selector 1
84
ASEL0
O
Audio selector 0
85
ASEL1
O
Audio selector 1
86
ASEL2
O
Audio selector 2
87
VSEL2
O
Video selector 2 (DZ555M/DZ850M) / Not used (DZ250M)
88
VSEL3
O
Video selector 3 (DZ850M) / Not used (DZ250M/DZ555M)
89
CLINK_DET
I
C-Link detect input (DZ555M/DZ850M) / Not used (DZ250M)
90
MONO/ST_DET
I
Front jack MONO or STEREO detect
91
A.CAL_MIC_LEVEL
I
MIC level detect signal input for Audio calibration (DZ250M/DZ555M)
DSP_MASTER
I
DSP serial operation mode signal input (DZ850M)
92
DESTINATION
I
Destination select input
93
MODEL
I
Model select input
80
HCD-DZ250M/DZ555M/DZ850M
Pin No.
Pin Name
I/O
Description
94
KEY2
I
Key input 2 input
95
KEY1
I
Key input 1 input
96
AVSS
—
Ground terminal
97
KEY0
I
Key input 0 input
98
Vref
—
Reference voltage (BUP+3.3V)
99
AVCC
—
Power supply (BUP+3.3V)
100
DIR_HDOUT
I
DIR data input (DZ850M) / Not used (DZ250M/DZ555M)
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