Ericsson R310s Troubleshooting Manual Download

Page: 43 / 43

Component Placing

1078-2/FEA 209 544/31 A

7(7)

3 Revision History

Rev.

Date

Changes / Comments

2000-05-05

Summary of Contents for R310s

Page 1: ...hooting Guide Standard Applicable for R310s and R310sc Contents 1 Explanations 2 2 Network Problems 4 3 On Off Problems 8 4 Audio Problems 11 5 Display Illumination Problems 14 6 Capacity Charging Pro...

Page 2: ...l that activates the background illumination ONSWAn Voltage from the On Off key that starts the phone RTC Real Time Clock Clock that keeps track of the time SIMCLK Signal from the processor used for c...

Page 3: ...4 00021 2 FEA 209 544 31 B 3 23 V380B DC voltage for the radio part VRTC DC voltage for the Real Time Clock VVCO DC voltage for the synthesizer I2C Communications standard for two way communication us...

Page 4: ...B 4 23 1 2 Pin Placing Single diode PIN diode Electrolytic capacitor Double diode or single transistor Five pin circuit usually voltage regulator Six pin circuit Eight pin circuit Ten pin circuit Crys...

Page 5: ...to N700 3 8V If the voltage is incorrect send the unit on according to the local company directives Measure the V380B voltage on C500 on the pin close to R427 3 8V If the voltage is incorrect send the...

Page 6: ...from L370 to ground 0 5 Mohm If the resistance is low replace C373 and R362 The VVCO voltage for D300 Measure the voltage on R303 3 8 V If the voltage is incorrect measure the resistance of R303 18 oh...

Page 7: ...local company directives If the RX level value is less than 38 steps at an input signal of 68 5dBm or less than 5 steps at an input signal of 102dBm then the fault is RX related Open the phone and ch...

Page 8: ...ttery and keep the On Off key pressed If the phone consumes more than 50 mA go to section 3 3 If the phone consumes 15 30 mA go to section 3 4 If the phone consumes less than 15 mA go to section 3 5 I...

Page 9: ...emains send the unit on according to the local company directives 3 5 2 Consumes less than 15 mA Open the phone and check for liquid damage Power up the board and start it by pressing the On Off key M...

Page 10: ...ocal company directives If the resistance is incorrect replace C703 Measure the VCORE voltage at C702 on the pin close to R428 2 5 V If the voltage is incorrect measure the resistance of C702 200 kohm...

Page 11: ...tivity of the microphone is poor little or no sound in the reference phone go to section 4 3 If neither the handsfree microphone nor the microphone of the phone works send the unit on according to the...

Page 12: ...g 4 1 Fig 4 1 Open the phone and check for liquid damage especially around the system connector Make sure that the system connector is not damaged Make sure that all the components in Fig 4 1 R802 R80...

Page 13: ...Mohm Replace the corresponding component if it is incorrect Measure the resistance from C640 to pin 10 of J602 0 ohms If the resistance is incorrect the foil is damaged Send the unit on according to...

Page 14: ...the phone has got SERV and the top indicator flashes green reduce the battery voltage to 3 2V By doing this the top indicator should start to flash red the battery indicator should show an empty flash...

Page 15: ...r about 25 seconds press any key to light it up again Measure the voltage on pin 6 and 8 of N750 26 V If the voltage is incorrect measure the voltage on pin 10 3 8 V pin 5 2 7 V pin 2 0 9 V and on pin...

Page 16: ...d start it by pressing the On Off key Measure the voltage on pin 1 of H650 2 7 V If the voltage is correct replace H650 assemble the phone and test as described in 9 1 If it is incorrect measure the r...

Page 17: ...Off key Turn the phone off and connect a charger to the system connector to make sure that a fault really exists Open the phone and check for liquid damage Measure the resistance of R710 0 1 ohms If...

Page 18: ...e in the Built Swap process If PIN or Enter PIN is displayed it means that the SIM card has been locked with a personal code It is only SIM fault if Insert card is displayed 7 2 Type of fault Open the...

Page 19: ...ery key pressed Then press the clr Yes No and keys The clr key makes the phone erase the symbols in the display one by one When pressing the Yes key the phone should try to connect a call and pressing...

Page 20: ...ck for liquid damage Make sure that the buzzer H600 is correctly soldered If the soldering is correct replace H600 Assemble the phone and try again as described in 9 1 Open the phone power up the boar...

Page 21: ...sure the voltage on pin 3 of V623 3 7V If the voltage is incorrect measure the resistance of R683 100 kohms Replace it if it is incorrect If the voltage is correct replace V621 and V623 Make sure that...

Page 22: ...is correctly soldered If it is replace it Assemble the phone start it up and set the correct time Wait a few minutes for the backup capacitor to charge Remove the battery and reinsert it after one mi...

Page 23: ...Trouble Shooting Guide Standard 4 00021 2 FEA 209 544 31 B 23 23 11 Revision History Rev Date Changes Comments A 2000 05 12 B 2000 07 17 Changes in sections 6 and 7 2 Picture added to section 9 2...

Page 24: ...dard 131 22 2 FEA 209 544 31 A Approved according to 1776 2 FEA 209 544 Part List Standard Applicable for R310s and R310sc Contents 1 Mounting Drawings 2 2 Component List 3 2 1 ROA 117 3982 3 3 Revisi...

Page 25: ...1 A 2 13 1 Mounting Drawings The Mounting drawings show the components position on the printed board The Mounting drawings can be found in document 1078 2 FEA 209 544 31 Board Number Mounting Drawing...

Page 26: ...Advanced is written and for components not possible to replace Not available 2 1 ROA 117 3982 ROA 117 3982 Pos Description Part Number Ref Comments Antenna coaxial RNV 991 2134 1 Frame SXK 107 237 1 S...

Page 27: ...RJC 463 3022 22 C342 Capacitor RJC 464 3025 1 C343 Capacitor RJC 463 3022 22 C344 Capacitor RJC 463 3022 22 C345 Capacitor RJC 464 3036 22 Network problems C346 Capacitor RJC 516 4047 47 C360 Capacit...

Page 28: ...itor RJC 464 3025 1 C605 Capacitor RJC 464 3025 1 C606 Capacitor RJC 464 3025 1 C607 Capacitor RJC 464 3025 1 C608 Capacitor RJC 464 3025 1 C609 Capacitor RJC 464 3025 1 C610 Capacitor RJC 464 3025 1...

Page 29: ...roblems Verify Real Time Clock C692 Capacitor RJC 464 3025 1 Verify Real Time Clock C701 Capacitor RJC 464 3036 1 C702 Capacitor RJC 516 3557 47 On Off problems C703 Capacitor RJC 516 3557 47 On Off p...

Page 30: ...problems Verify mic function C863 Capacitor RJC 464 3035 68 Audio problems Verify mic function C864 Capacitor RJC 463 3022 22 Verify mic function C865 Capacitor RJC 464 3035 68 Verify mic function C87...

Page 31: ...anced L331 Inductor Advanced L340 Inductor REG 704 494 56 L360 Transformer Advanced L361 Transformer Advanced L370 Transformer REG 706 18 1 Network problems L445 Inductor REG 724 9301 33 L450 Transfor...

Page 32: ...sistor REP 622 453 12 R380 Resistor Advanced R381 Resistor REP 622 452 1 R382 Resistor REP 622 453 47 R410 Resistor REP 622 455 47 R413 Resistor REP 622 452 27 R414 Resistor REP 622 455 15 R415 Resist...

Page 33: ...dvanced R645 Resistor Advanced R646 Resistor REP 622 453 22 Alert problems Verify red green top indicator R650 Resistor REP 622 456 1 Verify flash function R651 Resistor REP 622 454 1 Alert problems V...

Page 34: ...dvanced R850 Resistor REP 622 655 47 Audio problems R851 Resistor REP 622 001 0 R861 Resistor REP 622 454 15 Audio problems R862 Resistor REP 622 001 0 Audio problems R863 Resistor REP 622 454 1 Audio...

Page 35: ...de RKZ 123 647 1 On Off problems V611 Diode RKZ 123 646 1 Verify display function V612 Diode RKZ 123 646 2 V620 Diode RKZ 223 645 2 V621 Transistor RYN 120 629 2 Alert problems Verify vibrator functio...

Page 36: ...Part List Standard 131 22 2 FEA 209 544 31 A 13 13 3 Revision History Rev Date Changes Comments A 2000 05 05...

Page 37: ...pproved according to 1776 2 FEA 209 544 Component Placing Applicable for R310s and R310sc Contents 1 Mounting Drawing Table 2 2 1078 ROA 117 3982 Rev D 3 2 1 Component Position Location Table for 1078...

Page 38: ...Component Placing 1078 2 FEA 209 544 31 A 2 7 1 Mounting Drawing Table Board Number Mounting Drawing ROA 117 3982 R1E 1078 ROA 117 3982 Rev D...

Page 39: ...Component Placing 1078 2 FEA 209 544 31 A 3 7 2 1078 ROA 117 3982 Rev D 1078 ROA 117 3982 Rev D Primary side...

Page 40: ...Component Placing 1078 2 FEA 209 544 31 A 4 7 1078 ROA 117 3982 Rev D Secondary side...

Page 41: ...443 1 B1 C444 1 B1 C445 1 B1 C450 1 B1 C451 1 B1 Pos Loc C452 1 B1 C453 1 B1 C454 1 B1 C455 1 B1 C456 1 B1 C500 1 C2 C501 1 C1 C502 1 C1 C503 1 C1 C520 1 B3 C521 1 B3 C522 1 B3 C530 1 B2 C594 1 B2 C60...

Page 42: ...1 B1 R603 2 C6 R610 1 B2 R614 2 B5 R615 2 B5 R619 1 C3 R620 1 C2 R621 1 C5 R622 1 C4 R623 1 C5 R624 1 C4 R625 1 C4 R626 1 C4 R627 1 C2 R628 1 D2 R629 1 C4 R630 1 C2 R631 1 C2 R632 1 C2 R634 1 C5 R635...

Page 43: ...Component Placing 1078 2 FEA 209 544 31 A 7 7 3 Revision History Rev Date Changes Comments A 2000 05 05...

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