Service Manual
Page 98
....08 2004. 12.08 2004. 12.08 Sign & Name MODEL KIM H.J. Notice No. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01 LG Electronics Inc. - 97 - DRAWING NO. Date Name LG Electronics Inc. LEE S.Y. DRAWING NAME B2050 Sheet/Sheets 1/5 Hermes 6527 ,Typhoon 6537B A9 VSSRTC P10 VSSUSB D4 GND1 V15 N16 P7 N12 M5 N5 L13...
....08 2004. 12.08 2004. 12.08 Sign & Name MODEL KIM H.J. Notice No. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01 LG Electronics Inc. - 97 - DRAWING NO. Date Name LG Electronics Inc. LEE S.Y. DRAWING NAME B2050 Sheet/Sheets 1/5 Hermes 6527 ,Typhoon 6537B A9 VSSRTC P10 VSSUSB D4 GND1 V15 N16 P7 N12 M5 N5 L13...
Service Manual
Page 99
... 6 R234 0 _MIDI_IRQ IRQ SPGND2 C4 SPK_RADIO_SEL OUTPUT HEADSET_SPK_P NC1 GND SPGND3 C1 VREGC SPGND4 C5 C232 10u U206LM4890LD 5 IN- DRAWING NAME AUDIO/MIDI Iss. 7. MODEL B2050 Sheet/Sheets 2/5 E Checked Approved 2004. 12.08 2004. 12.08 LEE S.Y. VO1 6 4 IN+ SPK_N LOW SPEAKER PHONE C233 C234 47p 47p AMP_EN VO2 10 1 SHUTDOWN... VDD 8 C235 7 NC1 GND1 3 10u 9 NC2 GND2 11 C236 1u Section Designer Date 2004. 12.08 Sign & Name KIM H.J. Notice No. DRAWING NO. Date Name LG Electronics Inc. KIM B.Y. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01...
... 6 R234 0 _MIDI_IRQ IRQ SPGND2 C4 SPK_RADIO_SEL OUTPUT HEADSET_SPK_P NC1 GND SPGND3 C1 VREGC SPGND4 C5 C232 10u U206LM4890LD 5 IN- DRAWING NAME AUDIO/MIDI Iss. 7. MODEL B2050 Sheet/Sheets 2/5 E Checked Approved 2004. 12.08 2004. 12.08 LEE S.Y. VO1 6 4 IN+ SPK_N LOW SPEAKER PHONE C233 C234 47p 47p AMP_EN VO2 10 1 SHUTDOWN... VDD 8 C235 7 NC1 GND1 3 10u 9 NC2 GND2 11 C236 1u Section Designer Date 2004. 12.08 Sign & Name KIM H.J. Notice No. DRAWING NO. Date Name LG Electronics Inc. KIM B.Y. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01...
Service Manual
Page 100
... 0 C315 C316 C317 220n 1000p NA 2V8_VMEM USC5 USC4 BATT_EPROM BATT_TEMP SIM_RST SIM_CLK PIN USC0 USC1 USC2 USC4 USC5 USC6 DAI CLOCK RX TX - MODEL B2050 3/5 C4 E5 VSS2 _ADV _ADV L1 F5 E C327 1u C329 1u C328 1u C326 1u C330 1u L2 VSS3 L5 VSS4 VSS5 L6 L7 VSS6... _CE2 G8 _CE3 K3 E4 _WP _ROM_CS2 _F_WP Designer 2004. 12.08 KIM H.J. RESET UART RXD TXD RTS/CTS(PC) CTS/RTS(PC) - Date Name LG Electronics Inc. Notice No. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01...
... 0 C315 C316 C317 220n 1000p NA 2V8_VMEM USC5 USC4 BATT_EPROM BATT_TEMP SIM_RST SIM_CLK PIN USC0 USC1 USC2 USC4 USC5 USC6 DAI CLOCK RX TX - MODEL B2050 3/5 C4 E5 VSS2 _ADV _ADV L1 F5 E C327 1u C329 1u C328 1u C326 1u C330 1u L2 VSS3 L5 VSS4 VSS5 L6 L7 VSS6... _CE2 G8 _CE3 K3 E4 _WP _ROM_CS2 _F_WP Designer 2004. 12.08 KIM H.J. RESET UART RXD TXD RTS/CTS(PC) CTS/RTS(PC) - Date Name LG Electronics Inc. Notice No. Ver.1.0 1 2 3 4 5 LGIC(42)-A-5505-10:01...
Service Manual
Page 102
Notice No. Date Name LG Electronics Inc. MODEL LEE S.Y. Ver.1.0 3 4 5 LG Electronics Inc. - 101 - KIM B.Y. DRAWING NAME B2050 Sheet/Sheets 5/5 RF Iss. CIRCUIT DIAGRAM 6 7 8 9 10 C501 39p C504 27p R500 15K R501 100 R502 100 TX_RAMP PA_BAND GPO_17 PA_EN GPO_16 C511 27p RF2V85 ...
Notice No. Date Name LG Electronics Inc. MODEL LEE S.Y. Ver.1.0 3 4 5 LG Electronics Inc. - 101 - KIM B.Y. DRAWING NAME B2050 Sheet/Sheets 5/5 RF Iss. CIRCUIT DIAGRAM 6 7 8 9 10 C501 39p C504 27p R500 15K R501 100 R502 100 TX_RAMP PA_BAND GPO_17 PA_EN GPO_16 C511 27p RF2V85 ...