Service manual

GX30
6 – 24
CONFIDENTIAL
IC801 VHIHD155155-1L(HD155155NP): RF
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No. Terminal name Input/Output Description of terminal
1 VCCLNA Input VCC for LNA transistor and LNA Bias
2 PCSGND – GND for Emitter of LNA transistor(PCS)
3 PCSLNAI Input Positive input for LNA transistor(PCS)
4 PCSLNAIB Input Negative input for LNA transistor(PCS)
5 PCSDCSGND – GND for Emitter of LNA transistor(PCS,DCS)
6 DCSLNAI Input Positive input for LNA transistor(DCS)
7 DCSLNAIB Input Negative input for LNA transistor(DCS)
8 DCSGSMGND – GND for Emitter of LNA transistor(DCS,GSM)
9 GSMLNAI Input Positive input for LNA transistor(GSM)
10 GSMLNAIB Input Negative input for LNA transistor(GSM)
11 GSMGND – GND for Emitter of LNA transistor(GSM)
12 PLLOUT Output Current output to control and modulate TXVCO
13 VCCOPLL Input VCC for OPLL and Phase comparator
14 VCCTXVCO VCC for TXVCO
15 GNDTXVCOD – GND for DCS/PCS TxVCO
16 GNDTXVCODB – GND for DCS/PCS TxVCO
17 TXOUTG Output Tx output for GSM
18 COMMONGND – GND for common
19 TXOUTD Output Tx output for DCS/PCS
20 TXVCOGB Input Negative TxVCO output for GSM
21 TXVCOG Input Positive TxVCO output for GSM
22 VCCIQ Input VCC for IQ modulator
23 IOUT/IIN Input/Output Positive output/input of I channel/modulator
24 IOUTB/IINB Input/Output Negative output/input of I channel/modulator
25 QOUT/QIN Input/Output Positive output/input of Q channel/modulator
26 QOUTB/QIN Input/Output Negative output/input of Q channel/modulator
27 VCCIFSYN Input VCC for IFVCO Buffer and Divider, and IF Synthesiser
28 CPIFSYN Output Charge Pump output of IF Synthesiser
29 LE Input Load enable for serial data
30 CLK Input Clock for serial data
31 VCXOOUT Output Output for VCXO
32 SDATA Input Serial Data
33* GNDVCXO – GND for VCXO (Not used)
34* VCXOE – Emitter of VCXO transistor (Not used)
35 VCXOB Input Base of VCXO transistor
36 VCCVCXO Input VCC for VCXO
37 VCCRFSYN Input VCC for RF Synthesiser
38 CPRFSYN Output Charge Pump output of RF Synthesise
39 FLOCK Output FLOCK,Output,Fast Lock control for RF Synthesiser
40 VCCBB Input VCC for Base band and State Logic
41 VCCRFVCO Input VCC for RF VCO
42 DIVON Output VCXOOUT divider control input
43 VCCRFLO Input VCC for RF Local Buffer and Divider
44 CAPQB Output Capacitor for Q channel LPF(Negative output)
45 CAPQ Output Capacitor for Q channel LPF(Positive output)
46 CAPIB Output Capacitor for I channel LPF(Negative output)
47 CAPI Output Capacitor for I channel LPF(Positive output)
48 VCCMIX Input VCC for Direct conversion Mixer
49 GNDLNA – GND for LNA Bias