LG GCC-4242N, Руководство по обслуживанию

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34
256 241 Pin name
System controller
external connection
I/O Destination Description
143 133 H16 JLINE O FEP J-line set output
144 134 J18 AV
DDWBLC
Power
supply - V
DD
(3.3 V) for ICO and VI converter use
145 135 E17 CPOP4 I Ext Pin for wobble PLL loop filter use
146 136 G16 AV
DDD1
Power
supply - V
DD
(3.3 V) for wobble PLL use
147 137 E14 CPOP5 O Ext Pin for wobble PLL loop filter use
148 NC NC _AV
SSD1
GND
-
(shared with AV
SSD
)
149 138 K18 AV
SSD
GND
-
V
SS
for MASH-LPF/wobble-PLL use
150 139 F17 ROUT O AUDIO MASH Rch audio output
151 140 J16 LOUT O AUDIO MASH Lch audio output
152 141 G17 AV
DDD
Power
supply - V
DD
(3.3 V) for MASH-LPF use
153 142 H17 VCOF I Ext JFVCO control voltage
154 143 F15 TRCRS I FEP Signal input for track cross generation use
155 144 J15 AV
DDC
Power
supply - V
DD
(3.3 V) for SYS-PLL and JF-PLL use
156 145 F14 WBLIN I FEP WBL input
157 146 J14 CSLFLT I Ext Capacitor for CPDET use
158 147 H14 RFDIF I FEP RF input for CPDET use
159 148 L18 AV
SSC
GND - V
SS
for SYS-PLL and JF-PLL use
160 149 G15 PLFLT2 I Ext Capacitor 2 for PLL use
161 150 J17 PLFLT1 I Ext Capacitor 1 for PLL use
162 151 H15 AV
SSB
GND - V
SS
for DSL and data-PLL use
163 152 K15 ARF I FEP Equivalent RF + input
164 153 M15 NARF I FEP Equivalent RF - input
165 154 K17 VHALF I FEP Reference 1.65-V input
166 155 L14 RVI I FEP Resistor for VREFH reference current use
167 156 K16 VREFH I FEP Reference 2.2-V input
168 157 K14 DSLF2 I Ext Capacitor 2 for DSL use
169 158 L17 DSLF1 I Ext Capacitor 1 for DSL use
170 159 M16 AV
DDB
Power
supply - V
DD
(3.3 V) for DSL and data-PLL use
171 160 N17 JITOUT O Misc Jitter monitoring use
172 161 M14 AV
DDA
Power
supply - V
DD
(3.3 V) for ADC and DAC use
173 162 L16 ADIN/AD3 I EFEP FEP AD signal input
174 163 P14 AD0 I LDD PICK temperature monitor
175 164 L15 AD1 I Misc General-purpose AD port
176 165 P17 AD2/TECAPA I Misc General-purpose AD port
177 166 M18 AV
SSA
GND - V
SS
for ADC and DAC use
178 167 N14 DAC0 O DRVIC Focus drive output