Sony Ericsson S312 Schematics 1

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Component Replacement
- electrical -
S312
1222-7452 Rev 2
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Component Replacement (elect)
CONTENTS
1 Replaceable Components ............................................................. 3
2 Component Placing ........................................................................ 5
3 Repair Actions ................................................................................ 6
3.1 Shield Can Fence Modifications .......................................................... 6
3.2 Additional Repair Info ........................................................................... 7
4 Revision History ............................................................................. 8
For general information about electrical repair related issues, refer to 1220-1336: Generic Repair Manual - electrical
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Component Replacement (elect)

1 Replaceable Components

EXPLANATION OF ABBREVIATIONS USED IN THE COLUMN ‘COMMENTS’ BELOW
COMPONENT LOCATION
P = Primary side S = Secondary side
MOISTURE SENSITIVITY LEVEL
MSLX (X = 1, 2, 2A, 3, 4, 5, 5A or 6)
For more information on moisture sensitivity levels: Refer to 1220-1336: Generic Repair Manual – electrical, section ‘Moisture & Baking’!
REPAIR METHOD
HA = Hot Air (removal & mounting) ST = Soldering Tool (removal & mounting) HA/ST = Hot Air for removal - Soldering Tool for mounting BGA = BGA Station BH = Bottom Heater
ADDITIONAL INFORMATION
Ö1 (2,3,4, etc.) = Proceed to ‘Additional Repair Info’ for further instructions in the indicated section(s).
CALIBRATION
C = Calibration of the phone is required after replacing the component
Calibration to be done by authorized centers only!
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Component Replacement (elect)
Position Component Part no. Comments
D301 D302 D303 D304 D401 D402 D403 D404 D405 D503 D504 D505 D506 D507 D508 D601 D605 D607 D608 D610 D611 D612 D613 D614 D615 D618 D701 D702 D706 D707 D708 D709 J301 J401 J501 J601 J904 J905 J906 LED301 Flash LED A/309-0000-00129 S HA BH
U401 U402 U501 U701 U703 U803 U904 X102 Crystal 32.768 KHz A/305-0000-00021 S HA
Diode schot. 30V Diode Zener 20, V SOD-523 Varistor Varistor Schottky Diode
Schottky Diode Diode Protection 5.0 V SOD882
Diode Protection 5.0 V SOD882 Schottky Diode Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor Varistor TVS Diode 24V 50pF Varistor Diode Protection 5.0 V SOD882 Diode Protection 5.0 V SOD882 TVS Diode 24V 50pF TVS Diode 12V 38pF
BtB Connector Battery connector Microphone BtB Connector RF Connector Spring Connector Antenna Spring Connector Antenna
Charge IC IC Charging IC Amplifier 500mA Level Shifter EMI Filter FM RADIO IC reg 2V8
1202-9472 1202-9483 A/308-0000-00075 A/308-0000-00075 A/309-0000-00133 A/309-0000-00133 1211-8286 1211-8286 A/309-0000-00133 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00130 A/308-0000-00126 A/308-0000-00159 1211-8286 1211-8286 A/308-0000-00126 1201-4288 A/314-0000-00374 A/314-0000-00084 RLC509429 A/314-0000-00374 A/314-0000-00372 A/314-0000-00229 A/314-0000-00229
1203-8687 1204-3124 1203-4594 A/311-0000-00728 A/303-1000-00350 A/311-0000-00714 1202-2127
P HA P HA S HA BHÖ1 S HA BHÖ1 P HA P HA S HAÖ2 S HAÖ2 P HA S HA S HAÖ2 P HAÖ4 P HA P HA S HA BHÖ1 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ2 S HAÖ3 S HAÖ3 S HAÖ3 S HAÖ3 S HAÖ3 S HAÖ3 P HA/ST S HA/ST P HA BH S HA/ST S HA BH S HA BH S HA BH
S HAÖ3 S HAÖ3 P HA P HA P HAÖ4 P HA P HA
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Component Replacement (elect)

2 Component Placing

To access the Component Placing document, double-click the icon below.
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Component Replacement (elect)

3 Repair Actions

Refer to the Tools Catalogue/Matrix for information about equipment required for PBA repair!

3.1 Shield Can Fence Modifications

Refer to the pictures below of the primary and secondary sides for repairs that require the Shield Can Fence to be modified:
the shield can lid has to be removed
the red symbols show where the frame should be cut to enable rework
after rework the height of the frame should not be affected
it should not be visible that rework has been carried out when the lid has been mounted
Primary side
Secondary side
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Repair Actions

3.2 Additional Repair Info

1
D303, D304, D508
Remove the Camera module and protect the Camera socket and Flash LED with capton tape.
Component Replacement (elect)
2
D403, D404, D504, D601, D605, D607, D608, D610, D611, D612, D613, D614, D615, D618
Protect the SIM connector, Battery connector and BtB connector with capton tape.
3
D701, D702, D706, D707, D708, D709, U401, U402
Remove the System Connector and the System Connector Gasket.
4
D505, U703
Remove the System Connector and the System Connector Gasket.
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4 Revision History

Rev. Date Changes / Comments
1 2009-Jun-14 Initial release 2 2009-Jun-24 Added Component Placing document
Component Replacement (elect)
1222-7452 Rev 2
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