LG RH4820W, Service Manual

Page: 84 / 150

3-104
Pin No. Pin Name Type Description
88 DGND - - - Buffer memory , Interface data bus.
89 MA0 3V O H Buffer memory , Interface data bus.
90 MA6 3V O L Buffer memory , Interface data bus.
91 MA1 3V O L Buffer memory , Interface data bus.
92 MA5 3V O L Buffer memory , Interface data bus.
93 DGND - - - Digital GND
94 MA2 3V O L Buffer memory , Interface data bus
95 MA4 3V O L Buffer memory , Interface data bus.
96 MA3 3V O L Buffer memory , Interface data bus.
97 DVDD3 - - - Digital power.[3.3V](Buffer. Memory. Block)
98 DGND - - - Digital GND (Buffer. Memory. Block)
99 CKGCK 3V O Clock, Generator output.
100 SVMON 3V O L Servo, block monitor signal output.
101 RCDTO 3V O L Read channel data output.
102 RCCK 3V I/O Hi-Z Read channel clock output.
103 RCDT 3V I/O Hi-Z Read channel data output.
104 PCEFM1 Analog - - Read channel phase discriminator condenser connecting port.
105 PCEFM2 Analog - - Read channel phase discriminator condenser connecting port.
106 OFFSETIN Analog - - Read channel phase discriminator charge pump control port.
107 FCEFM Analog - - Read channel frequency discriminator condenser connecting port.
108 AVDD - - - Analog power[2.5V]
109 IREF Analog o - Read channel analog reference voltage input.
110 AGND - - - Analog GND[EFM PLL]
111 IREF2 Analog O - Non connecting port.
112 EFM Analog O Pull-up EFM comparator output.
113 ASY Analog O - EFM comparator asymmetry control voltage input.
114 AVDD - - - Analog power[2.5V]
115 RFI Analog O EFM comparator RF signal input.
116 AGND - - - Analog GND[EFM]
117 DVDD25 - - - Digital power.[2.5V]
118 HOLD 3v O - HOLD control signal input.
119 FOK 3v O - FOK signal input.
120 MIRRBCA 3V O - Mirror signal or BCA signal input.