Sharp SD-NX10 (serv.man10) Service Manual ▷ View online
SD-NX10H
– 92 –
1
RF1
RF signal input terminal 1. Input of RF signal output of pickup
2
RF2
RF signal input terminal 2. Input of RF signal output of pickup
3
RF3
RF signal input terminal 3. Input of RF signal output of pickup
4
RF4
RF signal input terminal 4. Input of RF signal output of pickup
5
REFI
Reference voltage amplifier input terminal
6
REFO
Reference voltage amplifier output terminal
7
AOUT
Output terminal 1 of signal amplifier for servo (focus servo system)
8
ASW
Output terminal 2 of signal amplifier for servo (focus servo system)
9
AIN
Reverse input terminal of signal amplifier for servo (focus servo system)
10
BIN
Reverse input terminal of signal amplifier for servo (focus servo system)
11
BSW
Output terminal 2 of signal amplifier for servo (focus servo system)
12
BOUT
Output terminal 1 of signal amplifier for servo (focus servo system)
13
EOUT
Output terminal 1 of signal amplifier for servo (tracking servo system)
14
ESW
Output terminal 2 of signal amplifier for servo (tracking servo system)
15
EIN
Reverse input terminal of signal amplifier for servo (tracking servo system)
16
FIN
Reverse input terminal of signal amplifier for servo (tracking servo system)
17
FSW
Output terminal 2 of signal amplifier for servo (tracking servo system)
18
FOUT
Output terminal 1 of signal amplifier for servo (tracking servo system)
19
EOUT
Output terminal 1 of signal amplifier for servo (tracking servo system)
20
BOUT
Output terminal 1 of signal amplifier for servo (focus servo system)
21
AOUT
Output terminal 1 of signal amplifier for servo (focus servo system)
22
TCGO
Group mode: Track cross detection signal amplifier output terminal
23
TCGI
Group mode: Track cross detection signal amplifier input terminal
24
RFADD
Resistance addition output terminal of RF1 - RF4
25
DTEMP
Chip temperature detection terminal
26
SGAIN
Switch section control terminal of amplifier for servo
27
DISC
Pit mode, groove mode selecting control terminal
28*
OPICPW
Power output terminal for OPIC
29
VCC2
Power supply terminal of digital section and power section
30*
WBO
Comparator output terminal for binary coded ADIP signal
31
GND2
GND terminal of digital section and power section
32
ADIPO
ADIP signal pre-amplifier output terminal
33*
ADIPNF
ADIP signal AGC amplifier output terminal
34
ADAGC
Smoothing capacitor connection terminal for ADIP signal AGC
35
ADAGI
ADIP signal AGC amplifier input terminal
36
2-1
Differential signal of RF1, RF2
37
EFMO
RF signal AGC amplifier output terminal
38
DCNF
Smoothing capacitor connection terminal for RF signal AGC amplifier reference voltage
39
EFMAGC
Smoothing capacitor connection terminal for RF signal AGC
40
VCC1
Analog section power supply terminal
41
BIAS
Bias input terminal
42
GND1
Analog section GND terminal
43
NIN
RF signal AGC amplifier reverse input terminal
44
PITG
Pit mode: Ground terminal
45
3 + 4
Groove mode: Resistance addition output terminal of RF3 and RF4
46
PIN
RF signal AGC amplifier non-reverse input terminal
47
1 + 2
Groove mode: Resistance addition output terminal of RF1 and RF2
48
1234
Pit mode: Resistance addition output terminal of RF1 - RF4
IC1101 VHiiR3R58M/-1: RF Signal Processor (IR3R58M)
Pin No.
Function
Terminal Name
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
– 93 –
SD-NX10H
IC1201 VHiLR37816A-1: Endec/Atrac (LR37816A)
IC1101 VHiiR3R58M/-1: RF Signal Processor (IR3R58M)
Figure 93 BLOCK DIAGRAM OF IC
MODE
SW
BPF
BIAS
ADIP AGC
DIFF
RESISTOR & SW
EFM AGC
RF1
RF2
RF3
RF4
REFI
REFO
AOUT
ASW
AIN
BIN
BSW
BOUT
2-1
ADAGI
ADAGC
ADIPNF
ADIPO
GND2
WBO
VCC2
OPICPW
DISC
SGAIN
DTEMP
1234
1+2
PIN
3+4
PITG
NIN
GND1
BIAS
VCC1
EFMAGC
DCNF
EFMO
EOUT
ESW
EIN
FIN
FSW
FOUT
EOUT
BOUT
AOUT
TCGO
TCGI
RFADD
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
48
47
46
45
44
43
42
41
40
39
38
37
13
14
15
16
17
18
19
20
21
22
23
24
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
TOTMON
TEMCN
SBCK
SBO
SBSY
SFSY
FCK
SENSE
COUT
MCCK
DINIX
VDD2
VDD2
DGND
RSTX
SYD0
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
SYD7
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
SYD7
SYWRX
SYRDX
SYRS
EFMO
PLCK
ACRCEF
RAA11
RAD0
RAD1
RAWEX
RARASX
RAA9
RAD3
RAD2
RACASX
DGND
RACEX
RAA8
RAA7
RAA6
RAA5
RAA4
VDD2
RAA10
RAA0
RAA1
RAA2
RAA3
PLCK
ACRCEF
RAA11
RAD0
RAD1
RAWEX
RARASX
RAA9
RAD3
RAD2
RACASX
DGND
RACEX
RAA8
RAA7
RAA6
RAA5
RAA4
VDD2
RAA10
RAA0
RAA1
RAA2
RAA3
EFMMON
AVCC1
EFM1
AGND1
AVCC2
VREF
WBI
TCG
AIN
BIN
EIN
FIN
VBAT
VDD1
DGND
TEST2
X176KO
FODRF
FODRR
TRDRF
TRDRR
SLDRF
SLDRR
SPDRF
SPDRR
FEMON
DADATA
ADDATA
DFCK
BCLK
LRCK
DGND
PLLBVC
DOUT
DIN
XO
XI
DGND
VDD1
VPO
VXI
CDBCLK
CDLRCK
CDDATA
DIN2
DILOCK
TEST1
TEST0
TCRS
X700KO
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
SD-NX10H
– 94 –
1*
EFMMON
Output
EFM monitor output
2
AVCC1
Input
Analog power supply (for EFM system 8AD, 8DA)
3
EFMI
Input
EFM signal input from RF amplifier
4
AGND1
—
Analog GND
5
AVCC2
Input
Analog power supply (for servo system, ADIP system 1bit AD)
6
VREF
Input
Reference voltage input for RF amplifier
7
WBI
Input
ADIP wobble signal
8
TCG
Input
Track cross signal
9
AIN
Input
Focus error signal A
10
BIN
Input
Focus error signal B
11
EIN
Input
Tracking error signal E
12
FIN
Input
Tracking error signal F
13
VBAT
Input
Power voltage detection signal for constant voltage servo
14
VDD1
Input
Internal digital power supply
15
DGND
—
Digital GND
16
TEST2
Input
Input for test. Connected to GND if used normally
17*
X176KO
Output
Clock output. f=176.4kHz (4fs)
18*
FODRF
Output
Focus servo forward output. PWM.
19
FODRR
Output
Focus servo reverse output. PWM.
20*
TRDRF
Output
Tracking servo forward output. PWM.
21
TRDRR
Output
Tracking servo reverse output. PWM.
22*
SLDRF
Output
Slide servo forward output. PWM.
23
SLDRR
Output
Slide servo reverse output. PWM.
24*
SPDRF
Output
Spindle servo forward output. PWM.
25
SPDRR
Output
Spindle servo reverse output.
26
RAA3
Output
Address output to external D-RAM. ADR3
27
RAA2
Output
Address output to external D-RAM. ADR2
28
RAA1
Output
Address output to external D-RAM. ADR1
29
RAA0
Output
Address output to external D-RAM. ADR0 (LSB)
30*
RAA10
Output
Address output to external D-RAM. ADR10 (MSB)
31
VDD2
Input
Power supply for interface
32
RAA4
Output
Address output to external D-RAM. ADR4
33
RAA5
Output
Address output to external D-RAM. ADR5
34
RAA6
Output
Address output to external D-RAM. ADR6
35
RAA7
Output
Address output to external D-RAM. ADR7
36
RAA8
Output
Address output to external D-RAM. ADR8
37
RAOEX
Output
Data output enable signal output to external D-RAM
38
DGND
—
Digital GND
39
RACASX
Output
Column address strobe signal output to external D-RAM
40
RAD2
Input/Output
Data input and output with external D-RAM. D2
41
RAD3
Input/Output
Data input and output with external D-RAM. D3 (MSB)
42
RAA9
Output
Address output to external D-RAM. ADR9
43
RARASX
Output
Low address strobe signal output to external D-RAM
44
RAWEX
Output
Data write enable signal output to external D-RAM
45
RAD1
Input/Output
Data input and output with external D-RAM. D1
46
RAD0
Input/Output
Data input and output with external D-RAM. D0 (LSB)
47*
RAA11
Output
Address output to external D-RAM. ADR11 (MSB 64 Mbit)
48*
ACRCER
Output
CRC error flag monitor output of ADIP
49*
PLCK
Output
Playback mode: EFM PLL clock output
50
EFM0
Output
Recording mode: EFM signal output. Playback mode: C1F (C1 error flag) monitor output.
51*
X700KO
Output
Clock output. f=705.6kHz
IC1201 VHiLR37816A-1: Endec/Atrac (LR37816A) (1/2)
Pin No.
Function
Terminal Name Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
– 95 –
SD-NX10H
52*
TCRS
Output
Track cross signal
53
TEST0
Input
Input for test. Connected to GND if used normally.
54
TEST1
Input
Input for test. Connected to GND if used normally.
55
DILOCK
Output
DIN lock detection
56
DIN2
Input/Output
Digital input signal. Expansion port 0.
57
CDDATA
Input/Output
Data input for dubbing. Expansion output port 1.
58
CDLRCK
Input/Output
LR clock input for dubbing. Expansion output port 2.
59
CDBCLK
Input/Output
Bit clock input for dubbing. Expansion output port 3.
60
VXI
Input
PLL clock input for variable pitch
61*
VPO
Output
PLL phase error output for variable pitch
62
VDD1
Input
Internal digital power supply
63
DGND
—
Digital GND
64
XI
Input
Transmit circuit input. 33.8688MHz
65
XO
Output
Transmit circuit input. 33.8688MHz
66
DIN
Input
Digital input signal
67
DOUT
Output
Digital output signal
68
PLLBVG
Output
For Internal PLL. Terminal for external capacitor
69
DGND
—
Digital GND
70
LRCK
Output
L-ch, R-ch selection output of music data
71
BCLK
Output
Shift lock of music data
72
DFCK
Output
Clock for AD/DA converter digital filter. 256Fs.
73
ADDATA
Input
Sound data input.
74
DADATA
Output
Sound data output.
75*
FEMON
Output
Focus error signal monitor output. Series resistance 10 - 100kohm built-in
76*
TOTMON
Output
Total signal monitor output. Series resistance 10 - 100kohm built-in
77*
TEMON
Output
Tracking error signal monitor output. Series resistance 10 - 100kohm built-in
78
SBCK
Input/Output
DIN subcode read clock. Expansion port 4.
79
SBO
Output
DIN subcode serial data. Expansion port 5.
80
SBSY
Output
DIN subcode block synchronous signal. Expansion port 6.
81
SFSY
Output
DIN subcode frame synchronous signal. Expansion port 7.
82
FOK
Output
Focus OK detection signal. “0”: focus OK
83
SENSE
Output
Servo condition detection signal
84
COUT
Output
Track cross signal output
85
MCCK
Output
Clock output for microcomputer
86
DINTX
Output
Interrupt request output terminal to system computer interface
87
VDD2
Input
Power supply for interface
88
DGND
—
Digital GND
89
RSTX
Input
Chip reset input. Reset by L. (Note)
90
SYD0
Input/Output
Data bus terminal of system computer interface (LSB)
91-96
SYD1-SYD6
Input/Output
Data bus terminal of system computer interface
97
SYD7
Input/Output
Data bus terminal of system computer interface (MSB)
98
SYWRX
Input
Resister write pulse input of system computer interface
99
SYRDX
Input
Resister read pulse input of system computer interface
100
SYRS
Input
Resister selection input of system computer interface
IC1201 VHiLR37816A-1: Endec/Atrac (LR37816A) (2/2)
Pin No.
Function
Terminal Name Input/Output
Note: Set RSTX to L when turning on the power or after turning on the power.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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