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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.
Terminal name
I/O
Operation function
Remarks
44
TRO
O
Tracking equalizer output terminal.
45
VREF
Analog reference power terminal.
46
RFGC
O
RF amplitude adjustment control signal output terminal.
Output of 3-pole PWM signal. (PWM carrier = 88.2 kHz)
47
TEBC
O
Tracking balance control signal output terminal.
Output of 3-pole PWM signal. (PWM carrier = 88.2 kHz)
48
FMO
O
Feed equalizer output terminal.
Output of 3-pole PWM signal. (PWM carrier = 88.2 kHz)
49
FVO
O
Speed error signal or feed search EQ output terminal.
Output of 3-pole PWM signal. (PWM carrier = 88.2 kHz)
50
DMO
O
Disc equalizer output terminal.
Output of 3-pole PWM signal. (PWM carrier = DSP system
88.2kHz, to be synchronized with PXO)
51
2VREF
52
SEL
O
53
FLGA
O
54
FLGB
O
55
FLGC
O
56
FLGD
O
57
VDD
58
VSS
59
IO0
I/O
General use I/O port.
60
IO1
It is possible to select the input port and output port according
to command.
61
IO2
In case of input port the terminal state (H/L) can be read with
the read command.
62
IO3
In case of output port the terminal state (H/L/HiZ) can be
controlled with the command.
63
/DMOUT
Terminal to set the mode to output dual value PWM of feed
equalizer from the IO0,1 terminal and to output the dual value
PWM from disc equalizer of IO2,3 terminal “L” Active.
64
/CKSE
X’tal selection terminal.
When 16.9344 MHz: “H” When 33.8688 MHz: “L”
65
/DACT
Test terminal.
66
TESIN
Test input terminal.
67
TESIO1
Test input/output terminal.
68
VSS
Digital ground terminal.
69
PXI
DSP system clock oscillation circuit input terminal.
70
PXO
DSP system clock oscillation circuit output terminal.
71
VDD
Digital + power terminal.
72
XVSS
Ground terminal for system clock oscillation circuit.
73
XI
System clock oscillation circuit input terminal.
74
XO
System clock oscillation circuit output terminal.
75
XVDD
Positive power terminal for system clock oscillation circuit.
76
DVDD
D/A converting section power terminal.
77
RO
O
R channel data forward rotation output terminal.
78
DVSS
D/A converting section analog ground terminal.
79
DVR
D/A converting section reference voltage terminal.
80
LO
O
L channel data forward rotation output terminal.
81
DVDD
D/A converting section power terminal.
82
TEST1
I
Test terminal.
Pull-up resistor
To be opened usually.
built in.
83
TEST2
I
Test terminal.
Pull-up resistor
To be opened usually.
built in.
84
TEST3
I
Test terminal.
Pull-up resistor
To be opened usually.
built in.
85
BUS0
I/O
Microcomputer interface data input/output terminal.
Schmidt input
86
BUS1
I/O
CMOS port
87
BUS2
I/O
11-20
DV-660S
DV-660H
Pin No.
Terminal name
I/O
Operation function
Remarks
88
BUS3
I/O
89
VDD
Digital + power terminal.
90
VSS
Digital ground terminal.
91
BUCK
I
Microcomputer interface clock input terminal.
Schmidt input
92
/CCE
I
Microcomputer interface chip enable signal input terminal.
Schmidt input
BUS0 to 3 is active in “L” state.
93
TEST4
I
Test terminal.
Pull-up resistor
To be opened usually.
built in.
94
/TSMOD
I
Local test mode selection terminal.
Pull-up resistor
built in.
95
/RST
I
Reset signal input terminal.
Pull-up resistor
Reset state: “L”
built in.
96
TEST0
I
Test terminal.
Pull-up resistor
To be opened usually.
built in.
97
/HSO
O
Playback speed mode flag output terminal.
98
/UHSO
O
99
EMPH
O
Subcode Q data emphasis flag output terminal.
Emphasis ON: “H” OFF: “L”
Output polarity can be inverted by the command.
100
LRCK
O
Channel clock (44.1 kHz) output terminal.
L channel “L” R channel: “H”
Output polarity can be inverted by the command.
/UHSO
/HSO
Playback speed
H
H
x1 speed playback
H
L
x2 speed playback
L
H
x4 speed playback
L
L
x8 speed playback
• Block Diagram
76
DVDD
77
RO
78
DVSS
79
DVR
80
LO
81
DVDD
82
TEST1
83
TEST2
84
TEST3
85
BUS0
86
BUS1
87
BUS2
88
BUS3
89
VDD
90
VSS
91
BUCK
92
/CCE
93
TEST4
94
/TSMOD
95
/RST
96
TEST0
97
/HSO
98
/UHSO
99
EMPH
100
LRCX
50 DMO
49 FVO
48 FMO
47 TEBC
46 RFGC
45 VREF
44 TRO
43 FOO
42 TEZI
41 TEI
40 TSIN
39 SBAD
38 FEI
37 RFRP
36 RFZI
35 RFCT
34 AVDD
33 RFI
32 SLCO
31 AVSS
30 VCOF
29 VCOREF
28 PVREF
27 LPFO
26 LPFN
1
2
3
4
VSS
BCK
AOUT
5
6
7
8
MBOV
IPF
SBOK
CLCK
9 10 11 12
VDD
VSS
DATA
13
SBSY
14
SPCK
15
SPDA
16
COFS
17
MONIT
18
VDD
19
TESIO0
20
P2VREF
21
SPDO
22
PDOS
23
PDO
24
TMAXS
25
TMAX
SFSY
DOUT
75 74 73 72
XVDD
XO
XI
71 70 69 68
VDD
PXO
PXI
VSS
67 66 65 64
TESIO1
TESIN
/DACT
63
/DMOUT
62
IO3
61
IO2
60
IO1
59
IO0
58
VSS
57
VDD
56
FLGD
55
FLGC
54
FLGB
53
FLGA
52
SEL
51
2VREF
/CKSE
XVSS
LPF
1Bit
DAC
ROM
RAM
1Gk RAM
PWM
D/A
A/D
CLV servo
PWM
VCO
PLL TMAX
+
+
+
+
Clock 
genelator
Servo control
Digital 
equalizer
Automatic
adjusting circuit
Micon
inter
face
Digital out
Status
Correction 
circuit
Sync signal
protection
EFM
demodulation
Data slicer
Subcode 
demodulation 
circuit
Audio output
circuit 
Address circuit
11-21
DV-660S
DV-660H
Pin No.
Terminal name
I/O
Operation function
1
LRCK
I
LRCK clock input (fs)
 (3)
2
DATA
I
Data input
 (3)
3
BCK
I
Bit clock input for data.
4
CLKO
O
System clock buffered output.
5
XTI
I
Connection of crystal oscillator or external clock input.
6
XTO
O
Connection of crystal oscillator
7
DGND
Digital GND
8
V
DD
Digital power +5V
9
V
CC
2R
Analog power +5V
10
AGND2R
Analog GND
11
EXTR
O
Rch Analog output amp. • common
12
NC
Not connected.
13
V
OUT
R
O
Rch Analog voltage output
14
AGND1
Analog GND
15
V
CC
1
Analog power +5V
16
V
OUT
L
O
Lch Analog voltage output
17
NC
Not connected.
18
EXTL
O
Lch Analog output amp. • common
19
AGND2L
Analog GND
20
V
CC
2L
Analog power +5V
21
ZERO
O
Zero data • flug
22
RST
I
Resetting. While this pin is in "L" state, the DF and delta -sigma modulator is in reset state. 
(1)
23
CS/IWO
I
Chip selection/input format selection 
(2)
24
MODE
I
Mode control selection (H: Software, L: Hardware) 
(1)
25
MUTE
I
Mute control 
(1)
26
MD/DM0
I
Mode control data/deemphasis selection 1 
(1)
27
MC/DM1
I
Mode control BCK/deemphasis selection 2 
(2)
28
ML/IIS
I
Mode control latch/input format selection 
(1)
Note: (1) Pins 22, 24, 25, 26, 27, and 28: With Schmidt trigger input pull-up resistor (2) Pin 23: With Schmidt trigger input pull-down resistor
(3) Pins 1, 2, and 3: Schmidt trigger input
11-16. IC801 PCM1716E
AUDIO D/A CONVERTER
BCK
LRCK
DATA
ML/IIS
MC/DM1
MD/DM0
CS/IWO
MODE
MUTE
RST
Sirial
Input
I/F
Mode
Control
I/F
XTI XTO
CLKO
V
CC
AGND
DGND
V
DD
Power
BPZ-Cont.
Crystal OSC
8-time oversampling 
digital filter with 
function controller
Multilevel 
delta/sigma 
modulator
DAC
20 19
9
10
DAC
Low-pass 
filter
Low-pass 
filter
V
OUT
L
V
CC
2L
AGND2L
V
CC
2R
AGND2R
EXTL
EXTR
V
OUT
R
ZERO
Open Drain
16
18
13
11
21
7
8
4
6
5
14
15
22
25
24
23
26
27
28
2
1
3
• Block Diagram
11-22
DV-660S
DV-660H
Pin No.
Terminal name
I/O
Operation function
1
NC
Not connected.
2
SCKI
I
System clock input. (256fs/384fs)
3
TEST
Not connected. Be sure to open.
4
ML
I
Control data input. Enable terminal. *
1
5
MC
I
Control data input. Bit clock terminal. *
1
6
MD
I
Control data input. Data terminal. *
1
7
RSTB
I
Reset input terminal. Active “L” *
1
8
ZERO
O
Infinity zero flag output terminal. Open drain.
9
VOUTR
O
Rch analog voltage output terminal.
10
AGND
Analog GND terminal.
11
VCC
Analog power terminal.
12
VOUTL
O
Lch analog voltage output terminal.
13
CAP
Internal bias decouple terminal
14
BCKIN
I
Audio data. Bit clock input terminal. *
2
15
DIN
I
Audio data. Data input terminal. *
2
16
LRCIN
I
Audio data. Reference sampling clock input terminal. *
2
17
TEST
Connect to GND.
18
NC
Not connected. Be sure to open.
19
VDD
Digital power terminal.
20
DGND
Digital GND terminal.
*1: Internal pull-up provided. Schmidt trigger input.
*2: Schmidt trigger input.
11-17. IC802,  803 PCM1720E
AUDIO D/A CONVERTER
• Block Diagram
BCK
LRCK
DATA
ML/IIS
MC/DM1
MD/DM0
CS/IWO
MODE
MUTE
RST
Sirial
Input
I/F
Mode
Control
I/F
XTI
XTO
CLKO
V
CC
AGND
DGND
V
DD
Power
BPZ-Cont.
Crystal OSC
8-time oversampling 
digital filter with 
function controller
Multilevel 
delta/sigma 
modulator
DAC
20 19
9
10
DAC
Low-pass 
filter
Low-pass 
filter
V
OUT
L
V
CC
2L
AGND2L
V
CC
2R
AGND2R
EXTL
EXTR
V
OUT
R
ZERO
Open Drain
16
18
13
11
21
7
8
4
6
5
14
15
22
25
24
23
26
27
28
2
1
3
11-23
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