LG RCT689H Service Manual page 161

Pin Pin Name
Number
91 VPPEX Power supply
92 P02
NLDERR
93 LDDENA
94 VSS
95 VDD18 Power supply
96 VDD12 Power supply
97 VDD3 Power supply
98 VDD5 Power supply
99 P06
HFON
100 VDD3 Power supply
101 BSMD
102 NBSMD
103 PKMD
104 NPKMD
105 PK2MD
106 NPK2MD
PK3MD
107 SRF1
P00
NPK3MD
108 SRF2
P01
109 VSS
110 CHSEL
MMOD
111 TGCHG
P05
112 LSEN
113 LSCK
114 LSDAT
115 SH5
FEPIDGT
116 SH6
P07
I/O Connection
Target
Power supply
I/O -
PU
O PU
GND GND
Power supply
Power supply
Power supply
Power supply
I/O -
PU
Power supply
O PU
O PU
O PU
O PU
O PU
O PU
I/O PU
-
I/O PU
-
GND GND
I/O FEP
-
I/O FEP
-
O PU
O PU
I/O PU
I/O FEP
I/O FEP
-
Description
Flash memory power supply Vpp
General-purpose I/O (GIO/RxD0/PWM0/external interrupt 0)
Laser error detection signal
LDD enable signal
Digital Vss
Flash memory power supply Vpp
Internal logic VDD (1.2V)
I/O pad VDD (1.2V)
DRAm VDD (5.0V)
General-purpose I/O (GIO/RxD0/PWM1/external interrupt 2)
External high frequency module (HFM) ON/OFF
I/O pad VDD (1.2V)
BIAS modulation signal differential current output
NBIAS modulation signal differential current output
PEAK1 modulation signal differential current output
NPEAK1 modulation signal differential current output
PEAK2 modulation signal differential current output
NPEAK2 modulation signal differential current output
PEAK3 modulation signal differential current output
OEIC gain switching timing adjustment 1 (when using external
WTST)
General-purpose I/O (GIO/TxD0/PWM0)
NPEAK3 modulation signal differential current output
OEIC gain switching timing adjustment 2 (when using external
WTST)
General-purpose I/O (GIO/RxD0/PWM1)
Digital Vss
Serial MPX channel conversion data output signal
Test mode selection signal(Do not connect to a pull-up resistor or
similar part.)
Write power switch signal
General-purpose I/O (GIO)
LDD serial interface enable
LDD serial interface clock
LDD serial interface data
Write WOBBLE sample and hold sampling signal
CAPA punch out signal
Servo S/H sample signal
General-purpose I/O (GIO/SerialCLK1)
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