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Model
DV-760H (serv.man3)
Pages
50
Size
1.08 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / Section 1 - 11 - Text
File
dv-760h-sm3.pdf
Date

Sharp DV-760H (serv.man3) Service Manual ▷ View online

DV-700S
DV-760S/H
Pin No.
Pin name
Type
Direction
Function
HTYPE = L
It works as HACK# (acknowledge) output terminal for connection to
32
HACK#
Motorola type microcomputer.
(HR/W#)
It can be used as the weight terminal for connection to the general pur
pose microcomputer. For 3-state output, connect the pull-up resistor.
Interrupt request. If interrupt status register is read, interrupt is masked or
34
HIRQ#
3-S
O
device is reset, the signal is deasserted.
For 3-state output, connect the pull-up resistor.
The bus width of the microcomputer interface If the device is worked as
CD-G decoder or CD-DSP is connected, select the 8-bit bus mode.
35
HWID
I
I
Fix it before power up.
L=8bit bus mode
H=16bit bus mode
When HWID is H (16-bit bus MODE), byte order is set.
Setting is valid only when HWID is H.
36
HORD
I
I
Fix it before power up.
L=HD [15:8] is regarded as m.s. byte. (Motorola type)
H=HD [7:0] is regarded as m.s. byte. (Intel type)
Bus type of microcomputer interface is set.
37
HTYPE
I
I
Fix it before power up.
L=Motorola type
H=General purpose type
141
RESET#
I
I
RESET is input.
142
IDLE
3-S
O
It is output to indicate the idle state.
Microcomputer interface terminal list
Microcomputer interface
Pin No.
Pin name
Type
Direction
Function
When 16-bit bus width is selected, (HWID=low)
It works as the microcomputer data bus of 15th bit.
When 8-bit bus width is selected, (HWID=high)
It works as the terminal to input bit clock from DC-DSP.
When 16-bit bus width is selected, (HWID=low)
It works as the microcomputer data bus of 14th bit.
When 8-bit bus width is selected, (HWID=high)
It works as the terminal to input the stream/PCM data from CD-DSP.
When 16-bit bus width is selected, (HWID=low)
It works as the microcomputer data bus of 13th bit.
When 8-bit bus width is selected, (HWID=high)
It works as the terminal to input frame synchronous signal from CD-DSP.
When 16-bit bus width is selected, (HWID=low)
It works as the microcomputer data bus of 12th bit.
When 8-bit bus width is selected, (HWID=high)
It works as the terminal to input error signal to CD-DSP.
When 16-bit bus width is selected, (HWID=low)
It works as the microcomputer data bus of 11th bit.
When 8-bit bus width is selected, (HWID=high)
It works as the terminal to output the subcode reading clock to the
subcode interface of CD-DSP.
When 16-bit bus width is selected, (HWID=low)
It works as the microcomputer data bus of 10th bit.
When 8-bit bus width is selected, (HWID=high)
It works as the terminal to input subcode data from subcode interface of CD-DSP.
Microcomputer / CD·subcode interface terminal list
Microcomputer interface / CD·subcode interface
3
HD15
3-S
I/O
(CDERR)
(I)
(I)
4
HD14
3-S
I/O
(CDFRM)
(I)
(I)
5
HD13
3-S
I/O
(CDDAT)
(I)
(I)
6
HD12
3-S
I/O
(CDCLK)
(I)
(I)
7
HD11
3-S
I/O
(SCCLK)
(O)
(O)
9
HD10
3-S
I/O
(SCDAT)
(I)
(I)
Function
General purpose terminal.
General input/output terminal. After resetting, it becomes the input direction.
General output terminal.
General port terminal list
Pin No.
Pin name
Type
Direction
2
GPSI
I
I
122-123
GPAIO[1:0]
3-S
I/O
159
GPSO
O
O
General port
11-13
DV-700S
DV-760S/H
Pin No.
Pin name
Type
Direction
126
GCLK1
I
I
128
XO
O
O
129
GCLK
I
I
135, 137 PLLGFG[1:0]
I
I
136
PLLCA
Microcomputer / CD·subcode interface terminal list
Pin No.
Pin name
Type
Direction
Function
When 16-bit bus width is selected, (HWID=low)
It works as the microcomputer data bus of 9th bit.
When 8-bit bus width is selected, (HWID=high)
It works as the terminal to input the subcode synchronous signal from the
subcode interface of CD-DSP.
When 16-bit bus width is selected, (HWID=low)
It works as the microcomputer data bus of 9th bit.
When 8-bit bus width is selected, (HWID=high)
It works as the terminal to input the frame synchronous signal from the
subcode interface of CD-DSP.
It works as the microcomputer bus of bits 7 thru 0.
10
HD9
3-S
I/O
(SCSYN)
(I)
(I)
11
HD8
3-S
I/O
(SCFRM)
(I)
(I)
12
14-17
HD[7:0]
3-S
I/O
19-21
Microcomputer interface / CD·subcode interface
PLL interface terminal list
Pin No.
Pin name
Type
Direction
Function
Test terminal. Don’t connect it.
If quartz oscillator is connected to GCLK terminal, connect the other
terminal of quartz oscillator to this pin.
Master clock input terminal of device Input 27 MHz.
PLL is set. Before power-up, fix it.
External capacitor terminal for PLL.
PLL interface
Pin No.
Pin name
Type
Direction
102
C7
3-S
O
(N.C.)
(3-S)
(O)
104
C6
3-S
O
(N.C.)
(3-S)
(O)
105
C5
3-S
O
(N.C.)
(3-S)
(O)
106
C4
3-S
O
(OSDPLT)
(3-S)
(I)
107
C3
3-S
O
(OSDPEL3)
(3-S)
(I)
Video/OSD interface terminal list
Pin No.
Pin name
Type
Direction
Function
Video8 register = 0
Color difference signal output terminal of 7th bit.
Video8 register = 1
The terminal becomes invalid.
Video8 register = 0
Color difference signal output terminal of 6th bit.
Video8 register = 1
The terminal becomes invalid.
Video8 register = 0
Color difference signal output terminal of 5th bit.
Video8 register = 1
The terminal becomes invalid.
Video8 register = 0
Color difference signal output terminal of 4th bit.
Video8 register = 1
Input terminal to select pallet table of OSD.
For OSDPLT=low, pallet table 0 is used.
For OSDPLT=high, pallet table 1 is used.
Video8 register = 0
Color difference signal output terminal of 3th bit.
Video8 register = 1
It works as the OSD pallet data input terminal of 3rd bit.
Video interface · OSD interface
11-14
DV-700S
DV-760S/H
Pin No.
Pin name
Type
Direction
Function
Video8 register = 0
Color difference signal output terminal of 2th bit.
Video8 register = 1
It works as the OSD pallet data input terminal of 2rd bit.
Video8 register = 0
Color difference signal output terminal of 1th bit.
Video8 register = 1
It works as the OSD pallet data input terminal of 1rd bit.
Video8 register = 0
Color difference signal output terminal of 0th bit.
Video8 register = 1
It works as the OSD pallet data input terminal of 0rd bit.
109
C2
3-S
O
(OSDPEL2)
(3-S)
(I)
110
C1
3-S
O
(OSDPEL1)
(3-S)
(I)
111
C0
3-S
O
(OSDPEL0)
(3-S)
(I)
Video/OSD interface terminal list
Video interface · OSD interface
Pin No.
Pin name
Type
Direction
Function
Clock gained by dividing VCLK x 2 signal into halves.
Input terminal to switch video master/slave.
VMASTER=L
Video master mode. Video synchronizing signal and video clock are
internally generated.
HTYPE=H
Video slave mode. Video synchronizing signal and video clock are re
ceived from the external.
Video output enable input terminal
VDEN#=H
Y [7:0] and C [7:0] terminals are made to be disable (3-state).
VDEN#=L
Y [7:0] and C [7:0] terminals are made to be enable.
Note: C [7:0] terminal is the multiplexed terminal as OSDPLT [3:0] and so on.
For Video8 register = 0, VDEN# terminal is valid for Y [7:0] alone.
Composite blank output terminal. Horizontal/vertical blanking area and
polarity are programmable.
Input/output terminal of vertically synchronous signal. Polarity and synchronous
signal length are programmable.
Input/output terminal of horizontally synchronous signal.Polarity and
synchronous signal length are programmable.
Input/output terminal for identification of even/odd number field. Polarity is
programmable.
Video8 register = 0
Brightness signal output/input terminal.
Video8 register = 1
Brightness/color difference multiplex terminal as ITU-T656
Terminal to input video clock or output 27 MHz.
84
VCLK
3-S
I/O
85
VMASTER
I
I
87
VDEN#
I
I
88
CBLANK
O
O
89
VSYNC
3-S
I/O
90
HSYNC
3-S
I/O
91
FI
3-S
I/O
92
94-97
Y[7:0]
3-S
O
99-101
124
VCLK X 2
3-S
I/O
Video interface terminal list
Video interface
Pin No.
Pin name
Type
Direction
Function
Audio (PCM) input terminal.
Stereo x1
Audio (PCM) output terminal.
Stereo x3
S/PDIF output terminal AC-3 stream or PCM stream can be output.
Moreover, it works as the audio output terminal of 7th and 8th channels
Left/Right clock output terminal of AOUT [2:0] and AIN.
The polarity is programmable.
Bit clock output terminal of AOUT [2:0] and AIN.
The polarity is programmable.
Audio master clock input/output terminal.
256 Fs or 386 Fs can be used.
Audio interface terminal list
Pin No.
Pin name
Type
Direction
112
AIN
I
I
114-116
AOUT[2:0]
O
O
117
S/PDIF
O
O
(AOUT[3])
118
ALRCLK
O
O
119
ABCLK
O
O
132
AMCLK
3-S
I/O
Audio interface
11-15
DV-700S
DV-760S/H
Pin No.
Pin name
Type
Direction
Function
Address bus output for SDRAM connection.
Tip select output for SDRAM connection.
Tip select output terminal for SDRAM connection. It is connected to 2nd
SDRAM.
RAS output terminal for SDRAM connection.
Clock output terminal for SDRAM connection.
CAS output terminal for SDRAM connection.
Write enable output terminal for SDRAM.
Data masking output terminal for SDRAM.
Bi-directional data bus for SDRAM.
Function
Data error input for DVD-DSP connection.
Sector start input for DVD-DSP connection.
Data valid input for DVD-DSP connection.
Data strobe input for DVD-DSP connection.
Data request output for DVD-DSP connection.
Stream input for DVD-DSP connection
Pin No.
Pin name
Type
Direction
143
DVDERR
I
I
144
DVDSOS
I
I
146
DVDVALID
I
I
147
DVDSTRB
I
I
148
DVDREQ
O
O
149
151-154 DVDDAT[7:0]
I
I
156-158
DVD-DSP interface terminal list
DVD-DSP interface
Pin No.
Pin name
Type
Direction
38-39
42-47
RAMADD[11:0]
O
O
49-52
54
RAMCS0#
O
O
55
RAMCS1#
O
O
56
RAMRAS#
O
O
57
PCLK
O
O
59
RAMCAS#
O
O
60
RAMWE#
O
O
61
RAMDQM
O
O
62
64-67
69-72
RAMDAT[15:0]
3-S
I/O
74-79
82
SD-RAM interface terminal list
SDRAM interface
Power terminal · other list
Pin No.
Pin name
Type
Direction
1, 13, 23
40, 41
53, 68
80, 81
GND
93, 108
120, 121
125, 131
145, 160
8, 18, 28
33, 48
58, 63
73, 86
VDD
98, 103
113, 133
140,
150, 155
83
TESTMODE
I
I
127
SCNENBL
I
I
130
PWRDN#
I
I
134
PLLGND
138
PLLVDD
139
ICEMODE
I
I
Pin No.
Pin name
Type
Direction
Function
Ground terminal
+ 3.3V power input terminal
Test terminal. Pull it down to GND.
Test terminal. Pull it up to VDD.
Power-down terminal. When it is [low], current consumption becomes
minimum with all functions of the device stopped. (Power-down mode) To
return it to normal state, set the terminal at [high]. Then, reset the device
with RESET# terminal.
Ground terminal for internal PLL.
Internal PLL + 3.3V power input terminal.
Test terminal. Pull it down to GND.
Power terminal · other
11-16
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