LG RCT689H Service Manual page 162

Pin Pin Name
Number
117 SH1
118 SH2
119 SH3
WIDGT
120 SH4
P24
121 WTGT
122 BDO
123 VDD3 Power supply
124 VSS
125 VDD12 Power supply
126 OFTR
127 TC
128 VREFH
129 RVI
130 AVSSD1
131 CPOP2
132 CPOP1
133 AVDD33DI Power supply
134 SE02
135 SE01
136 AVSSA
137 AVDD33A Power supply
138 CDA1
139 REFTOP
140 REFBTM
141 REGDRC
142 EQOUTB
143 EQOUTA
144 AVDD33DRC Power supply
I/O Connection
Target
I/O FEP
I/O FEP
I/O FEP
I/O FEP
-
O FEP
I FEP
Power supply
GND GND
Power supply
I FEP
I FEP
I FEP
I/O Res.
GND GND
I/O Cap. Res.
I/O Cap. Res.
Power supply
I FEP
I FEP E
GND GND
Power supply
O Cap
O Cap
O Cap
O Cap
I FEP
I FEP
Power supply
Description
Sample timing signal for ROPC space detection, APC space
detection, and read power detection
Sample timing signal for PCA peak, bottom detection, APC peak
detection, and mean valuer detection
Sample timing signal for PCA mean value detection, APC space
detection, and read power detection, and erase detection
VFO punch out signal
ROPC mark detection sampling signal
General-purpose I/O (GIO/TxD1)
Write gate
Dropout signal input
I/O pad VDD (3.3V)
Digital Vss
Internal logic VDD (1.2V)
Off track signal input
Track crossing signal input
2.2V reference voltage input
Fixed current source for LVDS, WBL, and analog blocks
WOBBLE analog Vss
Filter connection pin for wobble PLL
Filter connection pin for wobble PLL
WOBBLE analog VDD (3.3V)
Error signal output after selection, analog input
rror signal output after selection, analog input
Servo analog-to-digital converter analog Vss
Servo analog-to-digital converter analog VDD (3.3V)
Smoothing capacitance for DRC-VCO
Analog-to-digital converter reference voltage for DRC (TOP)
Analog-to-digital converter reference voltage for DRC (BOTTOM)
DRC analog-to-digital converter analog VDD (1.2V)
Internal regurator output
RF differential signal (NEG)
RF differential signal (POS)
DRC analog-to-digital converter analog VDD (3.3 V)
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