Nokia 112, 1120, RM-837 Service Manual

Nokia 112, 1120 (RM-837)

Operating System

Connections

Talk time

Standby

L1L2 Service Manual

SERVICE MANUAL

Level 1&2

Nokia 112, 1120

RM-837

Transceiver characteristics

Band

EGSM 900/1800

Display

1.8” TFT display, 128x160 pixels

Camera

VGA camera

S40

3.5mm AV Jack

2.0mm DC Jack Micro SD card slot FM Radio Bluetooth GPRS/EGPRS WAP 2.0 External 2nd SIM card slot (Dual SIM ONLY)

Transceiver with BL-6C battery pack

GSM: Up to 8h 20 min

Note:

Talk times are dependent on network parameters and phone settings

GSM:

Up to 733 hours

Nokia 112, 1120 (RM-837)

L1L2 Service Manual

Table of contents

1. COPYRIGHT ....................................................................................................................................................................... 4

2. WARNINGS AND CAUTIONS ........................................................................................................................................ 5

2.1 WARNINGS ............................................................................................................................................................... 5

2.2 CAUTIONS ................................................................................................................................................................ 5

3. ESD PROTECTION .......................................................................................................................................................... 6

4. CARE AND MAINTENANCE ........................................................................................................................................... 7

5. BATTERY INFORMATION .............................................................................................................................................. 8

6. EXPLODED VIEW ............................................................................................................................................................. 9

7. SERVICE DEVICES ........................................................................................................................................................... 10

8. SOFTWARE UPDATE ...................................................................................................................................................... 11

9. DISASSEMBLY INSTRUCTIONS .................................................................................................................................. 12

10. ASSEMBLY HINTS ........................................................................................................................................................... 17

11. SOLDER COMPONENTS ............................................................................................................................................... 18

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