Sony DVP-M35 / DVP-S300 / DVP-S305 / DVP-S315 / DVP-S500D / DVP-S505D / DVP-S715 Service Manual ▷ View online
– 72 –
4-5. Large Gate Array CXD8728 (MB-78 Board IC804)
4-5-1. Block Diagram
Address
Decode
Address
CS
Wr
Rd
WAIT
Data
Clk
Reset
INT
RxD1
RxD0
WAIT Gen
Input
DATA
Selecter
INT
Control
Output
DATA
Latch
Serial Communication
Gr3 Control
(P/S&S/P)
Serial Communication
Gr4 Control
(P/S)
Serial Communication
Gr2 Control
Serial Communication
Gr1Control
Parallel device
ChipSelect
(ARP)
(DECRIPT)
(AV_DEC)
(S_DSP)
Serial Communication Device
Gr3 RxD (SO)
(SSI33P3720)
(CXD1854)
(PCM1727)
(BA9020F)
Serial Communication Device
Gr4 RxD (SO)
(PCM1717E x 3)
(CXD8521M)
(EV x 3)
Serial Communication Device
Gr2 RxD (SO)
(CXD1914)
(CXD2721Q)
(MB86342)
Serial Communication Device
Gr1 RxD (SO)
(MB90670)
(RS232C)
WAIT IN
(ARP)
(Decript)
(AV_DEC)
Expansion Output
(Pins 44 to 58)
Expansion Input
(Pin 18)
– 73 –
4-5-2. Pin Functions
Pin No.
Signal Name
RD/WR,SHIF
Function
1
VDD
VDD
2
DVDLDONn
I/O, RD/WR
DVD laser light/off signal:ON when “L”
3
CDLDONn
I/O, RD/WR
CD laser light/off signal:ON when “L”
4
CD/DVD
I/O, RD/WR
Signal differentiating between CD and DVD:DVD
when “H”.
5
OPN/CLS
I/O, RD/WR
Tray open/close. Open at “H” and Close at “L”. Stop
when “Hiz”.
6
DRERR
I/O, RD
DIR LC89051V error signal. Error when “H”.
7
NSTn
I/O, RD/WR
Spindle motor non-control voltage input.
Stop when set to 0V.
8
SPCTL1
I/O, RD/WR
Switches the spindle servo operation mode.
Can be set to control, non-control, acceleration.
9
SPCTL0
I/O, RD/WR
Switches the operation mode between SPCTL1 and
2Bit.
Can be set to control, non-control, acceleration.
10
SPGC2
I/O, RD/WR
Spindle servo gain control signal.
Switches the gain of the “post stage” amplifier.
11
DETON
I/O, RD/WR
CD/DVD differentiation sensor ON/OFF SW
(T_out)
signal:ON when “H”
(Data output during memory test)
12
ACDDET
I/O, RD
CD/DVD differentiation signal (sensor output
which is waveform-shaped)
13
TILT/H
I/O, RD/WR
TILT servo characteristics switching signal
14
BUSY2
I/O, RD
Servo DSP busy flag:Busy when “L”
15
ERROR
I/O, RD
Servo DSP error flag:Error when “L”
(T_IN)
(clk signal input during the memory test)
16
LOCK
I/O, RD
From ARP
17
FOK
I/O, RD
From DSP
18
TRAYFREE
I/O, RD/WR
Releases the tray driver. Open when “L”.
19
S12VOFF
I/O, RD/WR
Servo 12V power supply OFF. 12V on when “H”
20
VDD
VDD
21
GND
GND
22
SPGC1
I/O, RD/WR
Spindle servo gain control signal.
Switches the gain of the “first stage” amplifier.
23
TBLR
I/O, RD/WR
Changer roulette rotation. Rotates when “H”.
24
TBLL
I/O, RD/WR
Changer roulette rotation. Rotates when “H”.
25
LDOUTn
I/O, RD/WR
Changer loading OUT. Loading out when “L”.
26
LDINn
I/O, RD/WR
Changer loading IN. Loading in when “L”.
27
ACHUCK
I/O, RD
Mechanism chucking detection signal.
“H” when chucking.
28
ATRAY
I/O, RD
Tray open signal. “H” when the tray is open.
– 74 –
Pin No.
Signal Name
RD/WR,SHIF
Function
29
TSENS
I/O, RD
Changer roulette position detection sensor.
No groove when “L”. Groove is present when “H”.
30
DSENS
I/O, RD
Changer disc presence detection sensor.
Present when “H” and absent when “L”.
31
S3
I/O, RD
DISC detection position (rotary sensor) 0 to 7 value
32
S2
I/O, RD
DISC detection position (rotary sensor) 0 to 7 value
33
S1
I/O, RD
DISC detection position (rotary sensor) 0 to 7 value
34
ACSn
I/O, RD/WR
AC3_DEC MB86432 chip select
35
ACSI
Serial I/F, IN
AC3_DEC MB86432 output data
36
VCSn
I/O, RD/WR
V_Enc CXD1914Q chip select (XVENCCS)
37
VSI
Serial I/F, IN
V_Enc CXD1914Q output data
38
KLTn
I/O, RD/WR
Karaoke DSP CXD2721Q serial data latch
39
40
VDD
VDD
41
GND
GND
42
GND
GND
43
KSI
Serial I/F, IN
Karaoke DSP CXD2721Q output data
44
IFSI
Serial I/F, IN
IF CON output data
45
DBSI
Serial I/F, IN
Debug serial port output data
46
SCKG3
Serial I/F, OUT
Serial Group3 Clock
47
SOG3
Serial I/F, OUT
Serial group 3 output data
48
SDEN
I/O, RD/WR
SSI (SSI133P3720) chip select
49
DCSn
I/O, RD/WR
DNR (CXD1854Q) chip select (XDNRCS)
50
MLTn
I/O, RD/WR
DAC (CXD8696R) data latch (DACLT)
51
ECSn
I/O, RD/WR
EEPROM (BA9020F) chip select (XEERCS)
52
SSSD
Serial I/F, IN
SSI (SSI133P3720) input/output data
53
EESI
Serial I/F, IN
EEPROM (BA9020F) output data
54
EWCn
I/O, RD/WR
EEPROM (BA9020F) write control (XEEWE)
55
EBSYn
I/O, RD
EEPROM (BA9020F) BUSY signal (XEERBS)
56
IRDn
Peripheral I/F, OUT Peripheral read signal
57
IWRn
Peripheral I/F, OUT Peripheral write signal
58
SDSPRDn
Peripheral I/F, OUT Servo DSP chip select & read
59
ARPCSn
Peripheral I/F, OUT ARP chip select
60
ARPINT
Peripheral I/F, IN
ARP INT signal input
61
ARPWTn
Peripheral I/F, IN
ARP WAIT signal input
62
DCRCSn
Peripheral I/F, OUT DECRYPT chip select
63
DCRINT
Peripheral I/F, IN
DECRYPT INT signal input
64
DCRWTn
Peripheral I/F, IN
DECRYPT WAIT signal input
65
AVCSn
Peripheral I/F, OUT AV_DEC(L64020) Chip Select
66
AVWTn
Peripheral I/F, IN
AV_DEC (L64020) WAIT signal input.
Masked by AVCSn.
67
XWAITn
SHIFT, OUT
68
XIRQ3
SHIFT, OUT
– 75 –
Pin No.
Signal Name
RD/WR,SHIF
Function
69
SIG1
SHIF, OUT
70
SIG2
SHIF, OUT
71
XIRQ7
SHIF, OUT
72
XCS6n
SHIF, IN
73
XRDn
SHIF, IN
74
XLWRn
SHIF, IN
75
HA21
SHIF, IN
76
HA20
SHIF, IN
77
SDSPWRn
Peripheral I/F, OUT Servo DSP chip select & write
78
CPCK
SHIF, IN
CPU clock
79
GND
GND
80
GND
GND
81
VDD
VDD
82
BUSGATE
BUSCNT, OUT
BUS buffer control. Gate off when “H”.
83
HA19
SHIF, IN
84
HA7
SHIF, IN
85
HA6
SHIF, IN
86
HA5
SHIF, IN
87
HA4
SHIF, IN
88
HA3
SHIF, IN
89
HA2
SHIF, IN
90
HA1
SHIF, IN
91
HA0
SHIF, IN
92
HD7
SHIF, bidir
93
HD6
SHIF, bidir
94
HD5
SHIF, bidir
95
HD4
SHIF, bidir
96
HD3
SHIF, bidir
97
HD2
SHIF, bidir
98
HD1
SHIF, bidir
99
HD0
SHIF, bidir
100
VDD
VDD
101
GND
GND
102
FWON
I/O, RD/WR
ARP block, sync protection circuit ON/OFF
(for external control)
103
MD2
I/O, RD/WR
ARP block, digital audio output mute.
104
MUTE
I/O, RD/WR
ARP block, audio output mute.
105
DFCT
I/O, RD/WR
ARP block, defect detection.
106
NORF
I/O, RD/WR
ARP block, No-RF detection
107
DBGINTn
SHI, IN
Serial IC interruption for debugging. Level
108
SOG1
Serial I/F, IN
Serial Group 1 (TXD)
109
IFSO
Serial I/F, OUT
TXD to Serial Group 1 IF
110
DBSO
Serial I/F, OUT
TxD to Serial Group 1 Diagnostic Connector
Click on the first or last page to see other DVP-M35 / DVP-S300 / DVP-S305 / DVP-S315 / DVP-S500D / DVP-S505D / DVP-S715 service manuals if exist.