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Only for training and service purposes
LGE Internal Use Only
Check pin21(OUT) at U107(TP1)
Check if there is any major difference referring
To Figure 4.2.2(c). Is it similar?
Start
RFT6150 circuit is OK. See next page
YES
Replace U107
YES
Check pin27,28,29,30 at U107(TP2)
Check if there is any major difference referring
To Figure 4.2.2(d). Is it similar?
Check MSM6500 (U200)
NO
YES
Check pin1(TX_ON) at U107(TP3)
whether it is higher than 2.5V.
Check TX_ON signal & MSM
NO
Check pin2, 3, 4 at U107(TP5)
Referring to Figure 4.2.2(f). Is it similar?
YES
Check SBI signal line & MSM
NO
YES
Check pin15(TCXO) at U107(TP4)
Referring to Figure 4.2.2(e). Is it similar?
Check TCXO circuit.
NO
YES
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Содержание VX8350
Страница 132: ...1 Assembly and Disassembly Diagram Z 3 X B O X C O M 131 ...
Страница 133: ...Z 3 X B O X C O M Internal Use Only 132 ...
Страница 134: ...Z 3 X B O X C O M Internal Use Only 133 ...
Страница 135: ...2 Block and Circuit Diagram Z 3 X B O X C O M 134 ...
Страница 149: ...3 Part List Z 3 X B O X C O M 148 ...
Страница 160: ...4 Components Layout Z 3 X B O X C O M 159 ...
Страница 164: ...F100 F101 F102 cam3 cam4 CON100 CON102 Z 3 X B O X C O M Internal Use Only 163 ...
Страница 165: ...CON2 Z 3 X B O X C O M Internal Use Only 164 ...
Страница 167: ...CON103 Z 3 X B O X C O M Internal Use Only 166 ...
Страница 168: ...VX8350 CAM_REV1 0 SPKY 0047501 SW100 CON102 Z 3 X B O X C O M Internal Use Only 167 ...
Страница 169: ...CON103 Z 3 X B O X C O M Internal Use Only 168 ...
Страница 170: ...VX8350 F_VOL REV1 0 SPKY 0047701 SW100 SW101 SW102 SW100 SW101 SW102 CON102 Z 3 X B O X C O M Internal Use Only 169 ...
Страница 171: ...5 BGA Pin Map Z 3 X B O X C O M 170 ...