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Model
DV-660H (serv.man2)
Pages
51
Size
1.96 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / start to section 13-4
File
dv-660h-sm2.pdf
Date

Sharp DV-660H (serv.man2) Service Manual ▷ View online

DV-660S
DV-660H
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
DV-660S
DV-660H
35
CLK
System Clock
Active on the positive going edge to sample all inputs.
18
CS
Chip Select
Disables or enables device operation by masking or enabling all inputs
except CLK. CKE and L(U)DQM
34
CKE
Clock Enable
Masks system clock to freeze operation from the next clock cycle.
CKE should be enabled at least one cycle prior to new command.
Disable input buffers for power down in stanby.
21~24
A0~A10/AP
Address
Row/column address are multiplexed on the same pins.
27~32
Row address: RA0~RA10, column address: CA0~CA7
20
19
BA
Bank Select Address
Selects bank to be activated during row address latch time.
Selects bank for read/write during clumn address latch time.
17
RAS
Row Address Strobe
Latches row address on the positive going edge of the CLK with RAS low.
Enables row access & precharge.
16
CAS
Column Address Strobe
Latches addresses on the positive going edge of the CLK with CAS low.
Enables row access.
15
WE
Write Enable
Enable write operation and row precharge.
Latches data in starting from CAS, WE active.
1, 36
L(U)DQM
Data Input/Output Mask
Makes data output Hi-Z, tsHZ after the clock and masks the output.
Blocks data input when L(U)DQM active.
2, 3, 5,
DQ0~15
Data Input/Output
Data inputs/outputs are multiplexed on the same pins.
 6, 8, 9, 11, 12, 39, 40,
 42, 43, 45, 46, 48, 49
V
DD
/Vss
Power Supply/Ground
Power and ground for the input buffers and the core logic.
 25, 1/26, 50
V
DD
/VssQ
Data Output Power/Ground Isolated power supply and ground for the output buffers to provide
44, 38, 13, 7/4, 10, 41, 47
improved noise immunity.
37
NC/RFU
No Connection/
This pin is recommanded to be left No Connection on the device
Reserved for Future Use
11-13. IC602 IX1468GE
16M SDARM
Terminal
Terminal Name
Name
Input Function
CLK
CLK
CKE
CS
RAS
CAS
WE
ADD
LCKE
Address Register
Bank Select
Row Buffer
Refrsh Counter
Rown Decorder
Col. Buffer
LRAS
LRAS
LCBR
LCBR
LWE
LCAS
L(U)QCM
Timing Register
LWCBR
LDQM
Programming Resiter
Latency & Burst Length
Column Decoder
Data Input Register
512K x 16
512K x 16
Sense AMP
I/O Control
Output Buffer
LWE
LDQM
DQi
• Samsung Electronics reserves the right to
  change products or specification without 
• Block Diagram
11-17
DV-660S
DV-660H
11-14. IC702 BA6796FP
MOTOR DRIVER
T.S.D ; Thermal shutdown
D; Drive buffer
Unit of resistance is [
].
• Mode change table
CTL1
CTL2
CH1
CH2
CH3
CH4
CH5
L
L
OFF
ON
L
H
H
L
ON
OFF
H
H
OFF
ON
OFF
ON
CTL1 and CTL2
Note: OFF state: Output has high impedance.
For F and R (CH5 control, valid only when CH5 is ON)
F
R
Output mode
L
L
High impedance
L
H
Reversing (reverse)
H
L
Forward rotation (forward)
H
H
Brake
Pin No.
Terminal name
Operation function
Pin No. Terminal name
Operation function
1
OPOUT
Ope amp. output terminal
15
CH2-OUT-
CH2 Negative output terminal
2
CH4-IN
CH4 Input terminal 16
CH2-OUT+
CH2 Positive output terminal
3
CH4-IN’
CH4 Gain adjustment input terminal
17
CH1-OUT-
CH1 Negative output terminal
4
CTL1
Contorol 1 input terminal
18
CH1-OUT+
CH1 Positive output terminal
5
CTL2
Contorol 2 input terminal
19
CH1-IN
CH1 Input terminal
6
FWD
Tray forward input terminal
20
CH1-IN’
CH1 Input terminal for gain adjustment
7
REV
Tray reverse input terminal
21
VCC
VCC
8
TRAY-IN
Tray input terminal 22
CH2-IN
CH2 Input terminal
9
GND
Sub-straight GND
23
CH2-IN’
CH2 Input terminal for gain adjustment
10
CH5-OUT-
Tray negative output terminal
24
CH3-IN
CH3 Input terminal
11
COM-OUT
Tray positive output terminal/CH4
25
CH3-IN’
CH3 Input terminal for gain adjustment
negative output terminal
12
CH4-OUT+
CH4 Positive output terminal
26
VREF-IN
Bias amp. input terminal
13
CH3-OUT+
CH3 Positive output terminal
27
OPIN+
Operational amplifier nonreverse input terminal
14
CH3-OUT-
CH3 Negative output terminal
28
OPIN-
Operational amplifier reverse input terminal
Note 1: Positive and negative output have polarity with respect to input. (An example: 19 pin input ‘H’: 18 pin output  ‘H’)
Note 2: Tray positive output and tray negative output have polarity with respect to mode. (An example: 11 pin output
‘H’ in FORWARD mode)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CH2-OUT
CH1-OUT
CH1-IN
CH2-IN
CH3-IN
10K
10K
13.3K
13.3K
13.3K
10K
+
-
Level shift
Level shift
Level shift
Level shift
VCC
D
D
D
D
D
D
D
D
D
V/I
T.S.D
26.6K
10K
CTL1
CTL2
PWD
REV
LOGIC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CH4-IN
CH5-IN
CH5-OUTCH4-OUT CH3-OUT
+
-
+
-
+
-
+
-
• Block Diagram
11-18
DV-660S
DV-660H
11-15. IC707 IX1473GE
SERVO PROCCESSOR
Pin No.
Terminal name
I/O
Operation function
Remarks
1
VSS
Digital ground terminal.
2
BCK
O
Bit clock (1.4122MHz) output terminal.
3
AOUT
O
Audio data output terminal.
4
DOUT
O
Digital out output terminal.
5
MBOV
O
Buffer memory over signal output terminal. Over: “H”
6
IPF
O
Correction flag output terminal. When correction disable symbol
is given if AOUT output is C2 correction: “H”.
7
SBOK
O
Sub-code Q data CRCC judgment result output terminal.
Judgment result OK: “H”.
8
CLCK
I/O
Sub-code P to W data read clock output/input terminal.
Selectable with command bit.
9
VDD
Digital + power terminal
10
VSS
Digital ground terminal
11
DATA
O
Sub code P-W data output terminal.
12
SFSY
O
Playback system frame sync signal output terminal.
13
SBSY
O
Subcode block sync output terminal.
When subcode sync is detected, S1 position: “H”.
14
SPCK
O
Processor status signal read clock (176.4 kHz) output terminal.
15
SPDA
O
Processor status signal output terminal.
16
COFS
O
Correction system frame clock (7.35 kHz) output terminal.
17
MONIT
O
LSI internal signal monitor terminal.
DSP internal flag and PLL system clock can be monitored with
microcomputer command.
18
VDD
Digital + power terminal.
19
TESIO0
I
Test input/output terminal. Usually fixed to “L”.
20
P2VREF
PLL system 2VREF terminal.
21
SPDO
O
VCO center frequency shift terminal.
22
PDOS
O
EFM and PLCK signal phase error signal output terminal.
 (To be used when x8 speed operation is used)
23
PDO
O
EFM and PLCK signal phase error signal output terminal.
24
TMAXS
O
TMAX detection result output terminal.
To be selected with command bit TMPS.
25
TMAX
O
26
LPFN
I
Reverse input terminal for low pass filter amplifier.
27
LPFO
O
Output terminal for low pass filter amplifier.
28
PVREF
PLL system VREF terminal.
29
VCOREF
I
VCO center frequency reference level terminal.
To be fixed usually to “PVREF”.
30
VCOF
O
Filter terminal for VCO.
31
AVSS
Analog system ground terminal.
32
SLCO
O
Data slice level generation DAC output terminal.
33
RFI
I
RF signal input terminal.
34
AVDD
Analog system power terminal.
35
RFCT
I
RFRP signal center level input terminal.
36
RFZI
I
RFRP zero cross input terminal.
37
RFRP
I
RF ripple signal input terminal.
38
FEI
I
Focus error signal input terminal.
39
SBAD
I
Sub-beam addition signal input terminal.
40
TSIN
I
Test input terminal. To be fixed usually to “Vref”
41
TEI
I
Tracking error signal input terminal.
(Fetching when tracking servo is ON)
42
TEZI
I
Tracking error zero cross input terminal.
43
FOO
O
Focus equalizer output terminal.
TMAX detection result
TMAXoutput
Longer than specific period
“P2VREFF”
Shorter than specific period
“VSS”
Within specified period
“HiZ”
11-19
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