JVC UX-A10DVD Service Manual page 86

Micro component md system
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UX-A10DVD
2.Pin function
Pin No.
Symbol
123
VDD_3.3
124
VSS
125
DA-XCK
126
DA-BCK
127
DA-IEC
128
VDD_2.5
129
VSS
130
NC
131
VSS_DAC
132
VSS_VIDEO
133
CVBS
134
VDD_DAC
135
VDD_VIDEO
136
NC
137
VSS_DAC
138
VSS_VIDEO
140
VDD_DAC
141
VDD_VIDEO
142
NC
143
VSS_DAC
144
VSS_VIDEO
145
Y/B/U
146
VDD_DAC
147
VDD_VIDEO
148
NC
149
VSS_DAC
150
VSS_VIDEO
C/R/V
151
152
VDD_DAC
153
VDD_VIDEO
154
VSS_RREF
155
RREF
156
VDD_RREF
157
A_VSS
158
SYSCLK
159
VCLK
159
VCLK
160
A_VDD
161
DVD-DATA0
/CD-DATA
162
DVD-DATA1
/CD-LRCK
163
DVD-DATA2
/CD-BCK
164
DVD-DATA3
/CD-C2P0
165
DVD-DATA4
/CDG-SDATA
166
VSS
167
VDD_3.3
168
DVD-DATA5
/CDG-VFSY
169
DVD-DATA6
/CDG-SOS1
170
DVD-DATA7
/CDG-SCLK
1-86
3/4
I/O
Power
3.3-V supply voltage for I/O signals.
Ground
Ground for core logic and I/O signals
I/O
Audio External Frequency Clock input or output.DA_8CK and DA_LRCK are
derived from this clock.DA_XCK can be 384 or 256 times the sampling frequency
O
PCM Bit Clock.Divided by 8 from DA_XCK.DA_BCK can be either 48 or 32 times
the sampling frequency
O
PCM data out in IEC-958 format or compressed data out in IEC-1937 format.
Power
2.5-V supply voltage for core logic
Ground
Ground for core logic and I/O signals
O
No connect.
Ground
Analog Video DAC Ground
Ground
Analog Video Ground
Analog O
DAC video output format:CVBS.Macrovision encoded.
Power
Analog Video DAC Power
Power
3.3-V Analog Video Power
O
No connect.
Ground
Analog Video DAC Ground
Ground
Analog Video Ground
Power
Analog Video DAC Power
Power
3.3-V Analog Video Power
O
No connect.
Ground
Analog Video DAC Ground
Ground
Analog Video Ground
Analog 0
DAC video output format.Macrovision encoded.
Power
Analog Video DAC Power
Power
3.3-V Analog Video Power
O
No connect.
Ground
Analog Video DAC Ground
Ground
Analog Video Ground
Analog 0
DAC video output format.Macrovision encoded.
Power
Analog Video DAC Power
Power
3.3-V Analog Video Power
Ground
Video Analog Ground
Analog 0
Reference Resistor.Connecting to pin 154 through a 1.18k+/.1% resistor is
recommended.See on.
Power
3.3V Analog Video Power
Ground
Analog PLL Ground
I
Optional System Clock.Tie to A_VDD through a 1k Ohmresistor
I
System clock that drives internal PLLs and internal DENC.ZiVA-4.1requires
anexternal 27-MHz TTL oscillator.
I
Video clock.Clocks out data on input.VDATA(7:0).Clock is typically 27 MHz.
Power
3.3-V Analog PLL Power
I
Serial CD data.This pin is shared with DVD compressed data DVD-DATA0.
I
Programmable polarity 16-bit word synchronization to the decoder (right channel
HIGH).This pin is shared with DVD compressed data DVD-DATA1.
I
CD bit clock.Decoder accept multiple BCK rates.This pin is shared with DVD
compressed data DVD-DATA2.
I
Asserted HIGH indicates a corrupted byte.Decoder keeps the previous valid
picture on-screen until the next valid picture is decoded.This pin is shared with
DVD compressed data DVD-DATA3.
I
DVD parallel compressed data from DVD DSP.Or CD+G(Subcode) data
indicating serial subcode data input.
Ground
Ground for core logic and I/O signals
Power
3.3-V supply voltage for I/O signals.
I
DVD parallel compressed data from DVD DSP.Or CD+G(Subcode) Frame Sync
indicating frame-start or composite synchronization input.
I
DVD parallel compressed data from DVD DSP.Or CD+G(Subcode) Block Sync
indicating block-start synchronization input.
I
DVD parallel compressed data from DVD DSP.Or CD+G(Subcode) Clock
indicating subcode data clock input or output.
Function

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