Sony HCD-GN70V / MHC-GN70V Service Manual ▷ View online
53
HCD-GN70V
Description
Pin Name
Pin No.
I/O
74
NVOEL
O
Out enable signal output to memory
75
LVS4
—
Ground
76
DRBS
O
Bank select address output to memory
77
DRDQM0
O
Lower byte mask of memory
78
DRDQM1
O
Upper byte mask of memory
79
IV55
—
Ground
80
NC
—
Not used (open)
81
SYSRST
I
System reset signal input
82
IRDIN
I
Not used (Connected to ground)
83
NC
—
Not used (open)
84
VDD1
—
Power supply (+2.5V)
85
V16M
I/O
Not used (open)
86
DOUT
O
Digital audio data output (Not used)
87
L_CDLRCK
I
D/A interface, L/R clock input
88
LRCK
O
D/A interface, L/R clock output
89
VSS1
—
Ground
90
L_CDDATA
I
Serial data input from D/A interface
91
PCMD
O
Serial data output to D/A interface
92
L_CDBCK
I
Bit clock input (2’s COMP) from D/A interface
93
BCK
O
Bit clock output (2’s COMP) to D/A interface
94
EMPH
O
Not used (open)
95
L_SQSO
I
SubQ 80bit and PCM peak level data input
96
SQSO
O
SubQ 80bit and PCM peak level data output
97
VDD2
—
Power supply (+2.5V)
98
L_SQCK
O
SQSO read out clock output
99
SQCK
I
SQSO read out clock input
100
SBSO
O
Not used (open)
101
EXCK
I
Not used (Connected to ground)
102
DATA
I
Serial data input from CPU
103
L_DATA
O
Serial data output to CPU
104
VSS2
—
Ground
105
L_CDXRST
I
System reset signal input (L:reset)
106
XRST
O
System reset signal output (L:reset)
107
MUTE
I
Not used (Connected to ground)
108
L_XLAT
O
Latch signal output to CPU
109
XLAT
I
Latch signal input from CPU
110
L_DCLK
O
Serial data clock output
111
CLOK
I
Serial data clock input
112
L_SENS
I
SENS signal input
113
SENS
O
SENS signal output
114
L_SCLK
O
SENS serial data read clock output
115
SCLK
I
SENS serial data read clock input
116
VDD3
—
Power supply (+2.5V)
117
ATSK
I/O
Not used (Connected to ground)
118
XUGF
O
Not used (open)
119
XPCK
O
Not used (open)
120
L_GFS
I
GPS signal input
121
GFS
O
GPS signal output
122
VSS3
—
Ground
54
HCD-GN70V
Description
Pin Name
Pin No.
I/O
123
L_CDC2PO
I
C2PO signal input
124
C2PO
O
C2PO signal output
125
L_SCOR
I
Sub code sink (S0 or S1) detect signal input
126
SCOR
O
Sub code sink (S0 or S1) detect signal output
127
COUT
I/O
Not used (open)
128
VDD4
—
Power supply (+2.5V)
129
MIRR
I/O
Not used (open)
130
DFCT
I/O
Not used (open)
131
L_FOK
I/O
Focus OK signal input/output
132
FOK
I/O
Focus OK signal input/output
133
MDP
O
Servo control signal output of spindle motor
134
VSS4
—
Ground
135
SSTOP
I
Inner position of optical pick-up signal input
136
FSTO
O
Not used (open)
137
SFDR
O
Sled motor control signal output
138
SRDR
O
Sled motor control signal output
139
VDD5
—
Power supply (+2.5V)
140
TFDR
O
Tracking coil control signal output
141
TRDR
O
Tracking coil control signal output
142
FFDR
O
Focus coil control signal output
143
FRDR
O
Focus coil control signal output
144
VSS5
—
Ground
145
WFCK
O
Not used (open)
146
WDCK
O
Not used (open)
147
ASYE
I
Not used (Connected to +2.5V)
148
VDD6
—
Power supply (+2.5V)
149
XTAI
I
Crystal oscillator input (33.8688MHz)
150
XTAO
O
Crystal oscillator output (33.8688MHz)
151
VSS6
—
Ground
152
TES1
I
Not used (Connected to ground)
153
TEST
I
Not used (Connected to ground)
154
NC
—
Not used (open)
155
NC
—
Not used (Connected to ground)
156
AVD0
—
Power supply (+2.5V)
157
IGEN
I
OP AMP current constant setting input
158
AVS0
—
Ground
159
ADIO
O
Not used (open)
160
RFDC
I
RF signal input
161
CE
I
center servo analog signal input
162
TE
I
Tracking error signal input
163
SE
I
Sled error signal input
164
FE
I
Focus error sigunal input
165
VC
I
Center voltage signal input
166
VPCO
O
EFM PLL charge pump output
167
VCTL
I
EFM PLL charge pump input
168
FILO
O
Master PLL filter output
169
FILI
I
Master PLL filter input
170
PCO
O
Master PLL change pump output
171
CLTV
I
VCO1 control signal input
55
HCD-GN70V
Pin Name
Pin No.
I/O
Discription
172
AVS1
—
Ground
173
RFAC
I
EFM (RF) signal input
174
BIAS
I
Current source input
175
ASYI
I
Comparator voltage input
176
ASYO
O
EFM full swing signal output (L:VSS, H:VDD)
177
AVD1
—
Power supply (+2.5V)
178
VDD7
—
Power supply (+2.5V)
179
SOUT
O
Not used (open)
180
SOCK
O
Not used (open)
181
XOLT
O
Not used (open)
182
C4M
O
Not used (open)
183
LOCK
I/O
Not used (open)
184
VSS7
—
Ground
185
MD2
I
Not used (Connected to ground)
186
SCSY
I
Not used (Connected to ground)
187
PWMI
I
Not used (Connected to ground)
188
VDD8
—
Power supply (+2.5V)
189
XTSL
I
X’tal frequency select input (L:16.9344MHz, H:33.8688MHz)
190
VSS8
—
Ground
191
PVS2
—
Ground
192
LPFI
I
PLL2 filter terminal
193
LPFO
I
PLL2 filter terminal
194
PVD2
—
Power supply (+2.5V)
195
NC
—
Not used (open)
196
NC
—
Not used (open)
197
PVD1
—
Power supply (+2.5V)
198
PVS1
—
Ground
199
TRODE0
I
Not used (Connected to ground)
200
AUDDTI
I
Not used (Connected to ground)
201
AUDDTO0
O
Audio serial data output to PCM1748
202
AUDDTO1
O
Digital audio data output (Not used)
203
AUDBCK
O
Audio serial data bit clock output to PCM1748
204
AUDLRCK
O
Audio serial data L/R clock output to PCM1748
205
AUDXCLKO
O
Audio serial clock output to PCM1748
206
CLKA
I
Crystal oscillator input (27MHz)
207
CLKB
O
Crystal oscillator output (27MHz)
208
VDD9
—
Power supply (+2.5V)
209
THRCLK
I
Not used (open)
210
TESTEN
I
Not used (Connected to ground)
211
TCLK
I
Not used (Connected to ground)
212
TMODE1
I
Not used (Connected to ground)
213
TRST
I
Not used (open)
214
VSS9
—
Ground
215
NC
—
Ground
216
V_AVD
—
Power supply (+2.5V)
56
HCD-GN70V
Description
Pin Name
Pin No.
I/O
–––––––––––––––
1
STEREO
I
Stereo signal input
––––––––––––––
2
TUNED
I
Tuned signal input
3
ST-CE
O
Tuner chip enable signal output
4
SIRCS
I
SIRCS input
5
ST-DOUT
O
Tuner data output
6
ST-DIN
I
Tuner data input
7
ST-CLK
O
Tuner clock signal output
8
BYTE
I
Not used (Connected to ground)
9
CNVSS
—
Not used (Connected to ground with resistor)
10
XC-IN
I
Sub clock input
11
XC-OUT
O
Sub clock output
12
RESET
I
System reset input
13
X-OUT
O
Main system clock output (16MHz)
14
VSS
—
Ground
15
X-IN
I
Main system clock input (16MHz)
16
VCC
—
Power supply (+5V)
17
NMI
I
Not used (Pull up with resistor)
18
NO-USE
—
Not used (Connected to ground)
19
SCOR
I
Subcode sync (S0+S1) detection signal input
20
AC-CUT
I
AC cut check signal input
21
E-1
I
Disc tray status detection signal input
22
E-2
I
Disc tray status detection signal input
23
VCD-POWER
O
CD power on/off signal output
24
NO-USE
—
Not used (Connected to ground)
25
VCD-A-MUTE
O
CD mute signal output
26
NO-USE
O
Not used (Connected to ground)
27
STBY-RELEY
O
Reley drive signal output
28
NO-USE
O
Not used (Connected to ground)
29
IIC-CLK
I
IIC serial data clock input
30
IIC-DATA
I
IIC serial data input
31
TXD1
—
Not used
32
SYSOK
I
OK signal input from CXD1887R
33
VIDEO MUTE
O
Video mute signal output to BD7600FV
34
NO-USE
I
Not used (open)
35
SYSOUT
O
Serial data output to CXD1887R
36
SYSIN
I
Serial data input from CXD1887R
37
SYSCLK
O
Serial clock output to CXD1887R
38
SYSRQ
O
Data request signal output to CXD1887R
39
CLOCK-OUT
—
Not used (open)
40
SYSRST
O
CD reset signal output
41
TBL-SENS
I
Table sensor signal input
42
OPEN SW
I
Eject switch signal input
43
E-3
I
Disc tray status detection signal input
44
TM-F
O
Table motor control signal output
45
TM-R
O
Table motor control signal output
46
LMF
O
Loading motor control signal output
47
LMR
O
Loading motor control signal output
48
STBY-LED
O
Standby LED drive signal output
49
GC-RESET
O
GC reset signal output
50
HP DETECT
I
Headphone detect input
–––––––––––––––––––––
51
REC-MUTE
O
REC mute signal output
52
TC-MUTE
O
TC line mute signal output
53
PB-A/B
O
TC A/B select signal output
• IC501 M30620MCN-A26FP SYSTEM CONTOL (MAIN Board)
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