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Order Number: PMCD030901C8

Service Manual
Digital Cellular Phone

EB-X70
900 MHz
Tx Frequency Range: Rx Frequency Range: Tx / Rx separation RF Channel Bandwidth Number of RF channels Speech coding Operating temperature Type RF Output Power Modulation Connection Voice digitizing Transmission speed Signal Reception Antenna VSWR Dimensions (excluding antenna) Volume Weight Main Display Sub Display Illumination 880 - 915MHz 925 - 960 MHz 45 MHz 200 kHz 174 -10 °C to +55 °C Class 4 Handheld 2 W maximum GMSK (BT = 0.3) 8 ch / TDMA 13 kbps RPE-LTP / 13 kps ACLEP / 5.6 kps CELP / VSLEP 270.833 kbps Direct conversion < 2.1 : 1 Height: 87.3 mm Width: 47.1 mm Depth: 24 mm 80 cc 95 g LCD, 176 x 132 pixels, 65,536 colours LCD, 96 x 28 pixels, monochrome 10 LEDs for Keypad Backlighting (White) 4 LEDs for LCD Backlighting (White) 3 LEDs for Sub LCD (Blue, Green, Orange) 17-key Keypad, Navigation key, 1 memo key 3 V Plug-in type only 5.8 V 3.7 V nominal, 680mAh, Li-Ion Class 1 Handheld 1 W maximum Class 1 Handheld 1 W maximum 374 299 Full rate/Half rate/Enhanced Full rate

1800 MHz
1710 -1785 MHz 1805 -1880 MHz 95 MHz

1900 MHz
1850 - 1910 MHz 1910 - 1990 MHz 60 MHz

Keys SIM External DC Supply Voltage Battery Standby Time Talk Time

Talk and standby time will be dependent on network conditions, SIM card, backlight usage and network condition.

WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service manual by anyone else could result in serious injury or death.

© 2003 Panasonic Mobile Communications Development of Europe Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

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CIRCUIT DIAGRAMS

11 CIRCUIT DIAGRAMS

Figure 11.1: Circuit Diagram - Baseband (Sheet 1 of 2) PMCD030901C8 Service Manual Section 11 ­ 65 ­ Issue 1 Revision 0

CIRCUIT DIAGRAMS

Figure 11.2: Circuit Diagram - Baseband (Sheet 2 of 2) Issue 1 Revision 0 Section 11 ­ 66 ­ PMCD030901C8 Service Manual

CIRCUIT DIAGRAMS

Figure 11.3: Circuit Diagram - Peripherals 1

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Figure 11.4: Circuit Diagram - Peripherals 2

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Figure 11.5: Circuit Diagram - I/O and PHF Connectors

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Figure 11.6: Circuit Diagram - Bluetooth Module

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CIRCUIT DIAGRAMS

Figure 11.7: Circuit Diagram - RF PMCD030901C8 Service Manual Section 11 ­ 71 ­ Issue 1 Revision 0

CIRCUIT DIAGRAMS

Figure 11.8: Circuit Diagram - Display Module (Sheet 1 of 2) Issue 1 Revision 0 Section 11 ­ 72 ­ PMCD030901C8 Service Manual

CIRCUIT DIAGRAMS

Figure 11.9: Circuit Diagram - Display Module (Sheet 2 of 2) PMCD030901C8 Service Manual Section 11 ­ 73 ­ Issue 1 Revision 0

LAYOUT DIAGRAMS

12 LAYOUT DIAGRAMS

Figure 12.1: Main PCB Layout - Side A Issue 1 Revision 0 Section 12 ­ 74 ­ PMCD030901C8 Service Manual

LAYOUT DIAGRAMS

Figure 12.2: Main PCB Layout - Side B PMCD030901C8 Service Manual Section 12 ­ 75 ­ Issue 1 Revision 0

LAYOUT DIAGRAMS

Figure 12.3: Display PCB Layout - Side A Issue 1 Revision 0 Section 12 ­ 76 ­ PMCD030901C8 Service Manual

LAYOUT DIAGRAMS

Figure 12.4: Display PCB Layout - Side B PMCD030901C8 Service Manual Section 12 ­ 77 ­ Issue 1 Revision 0