Nokia Customer Care RH-21 Series Transceivers Disassembly/Assembly Issue 2 07/2004 2004 Nokia Corporation.
RH-21 Disassembly/Assembly Page 2 Company Confidential Nokia Customer Care 2004 Nokia Corporation.
Company Confidential Nokia Customer Care RH-21 Disassembly/Assembly Contents Page No ESD Protection ............................................................................................................5 Step-by-Step Disassembly Guide................................................................................... 5 Remove B-cover ..........................................................................................................5 Remove RF Plug .............................................
RH-21 Disassembly/Assembly Page 4 Company Confidential Nokia Customer Care 2004 Nokia Corporation.
Company Confidential Nokia Customer Care RH-21 Disassembly/Assembly ESD Protection Step-by-Step Disassembly Guide The following diagrams may be helpful in explaining the correct sequence and technique for disassembly of the RH-21 handsets. Remove B-cover 1 Turn phone off 2 Remove the B-cover by pushing the button (indicated by arrow) 3 Lift the B-cover up as shown by the arrows. Issue 2 07/2004 2004 Nokia Corporation.
RH-21 Disassembly/Assembly Company Confidential Nokia Customer Care Remove RF Plug Remove the RF Plug from RF connector opening in the antenna. Remove A-cover Place thumb under the edge of the A-cover and fingers on top of the A-cover, then pull gently until it snaps. Once lifted, ensure that the keymat does not fall out of the A-cover. Remove screws Unscrew the six screws as indicated. 4 1 3 5 2 6 Page 6 2004 Nokia Corporation.
Company Confidential Nokia Customer Care RH-21 Disassembly/Assembly Remove lightguide assembly Follow the steps indicated in the following diagram: Remove metal frame and earpiece Follow the numbered steps in the following diagram. Note: Use screwdriver size 2.50 – 3.50 mm. 1 Turn screwdriver at snaps only on one side 2 When removing the metal frame, be careful not to damage the four springs in the corners 3 Remove earpiece Issue 2 07/2004 2004 Nokia Corporation.
RH-21 Disassembly/Assembly Company Confidential Nokia Customer Care 1b 1a 3 2 Remove PWB assembly Lift the PWB as indicated in the following drawing. Then, place the PWB on ESD table with LEDs on top. LED Page 8 2004 Nokia Corporation.
Company Confidential Nokia Customer Care RH-21 Disassembly/Assembly Remove shielding lids Caution: Do not re-use shielding lid once it is removed. When working with the PWB, always use a repair jig. Remove components from D-cover assembly The following components are removable: 1 Power key 2 Battery connector 3 SALT speaker (see diagram) 4 Vibra 5 Bottom connector Issue 2 07/2004 2004 Nokia Corporation.
RH-21 Disassembly/Assembly Company Confidential Nokia Customer Care SALT speaker Page 10 2004 Nokia Corporation.
Company Confidential Nokia Customer Care RH-21 Disassembly/Assembly Step-by-Step Assembly Guide Mount components in D-cover 1 Power key 2 Battery connector 3 SALT speaker 4 Vibra 5 Bottom connector Note: Ensure that all components are placed correctly. Issue 2 07/2004 2004 Nokia Corporation.
RH-21 Disassembly/Assembly Company Confidential Nokia Customer Care Mount shielding lids on PWB Mount PWB on D-cover Mount earpiece and metal frame 1 Mount the earpiece in the lightguide 2 Place metal frame on lightguide — be careful about the springs in each of the four corners 3 Push the metal frame down (indicated with arrows in drawing below) until it snaps on Page 12 2004 Nokia Corporation.
Company Confidential Nokia Customer Care RH-21 Disassembly/Assembly Mount domesheet When mounting the domesheet, use the two holes indicated as guide. Mount display assembly on D-cover 1 Place the display assembly in the D-cover 2 Push the display assembly down (indicated by arrows in the drawing below) until it snaps on Issue 2 07/2004 2004 Nokia Corporation.
RH-21 Disassembly/Assembly Company Confidential Nokia Customer Care Mount screws Fasten the screws in the sequence indicated in the following diagram. Be sure to use a torx #6 screwdriver. Note: Max torque 28Ncm at 500-600RPM. 4 1 3 5 2 6 Mount keymat and A-cover assembly 1 Place keymat 2 Push down the A-cover until it snaps on Page 14 2004 Nokia Corporation.
Company Confidential Nokia Customer Care RH-21 Disassembly/Assembly Insert RF Plug Insert RF Plug into RF connector opening in the antenna. Issue 2 07/2004 2004 Nokia Corporation.
RH-21 Disassembly/Assembly Company Confidential Nokia Customer Care Place battery Slide battery under the hooks in the D-cover. Mount B-cover assembly Page 16 1 Place B-cover assembly on D-cover 2 Push the B-cover in the direction indicated by the arrow in drawing below until the B-cover snaps on 2004 Nokia Corporation.
