Sony ICFR40 free download

File name Sony-ICFR40 rad.pdf

ICF-R40 SERVICE MANUAL Ver 1.0 1999. 03 Tourist Model SPECIFICATIONS FM/AM RADIO MICROFILM SECTION 1 GENERAL HOW TO CHANGED THE CERAMIC FILTERS This model is used two ceramic filters of CF2 and CF3. You must used same type of color marked ceramic filters in order to meet same specifications. Therefore, the ceramic filter must changed two pieces together since it's supply two pieces in one package as a spare parts. Mark Center frequency This section is extracted from instruction manual. CF2 mark red blue orange 10.70 MHz 10.67 MHz 10.73 MHz 10.64 MHz 10.76 MHz CF3 black white Notes on chip component replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat. ­2­ SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CABINET (REAR) B 1 Pull out the ear receiver. 2 Open the "lid, battery case" in the direction of arrows A to B. 3 two screws (DIA. 1.4 Ч 4) A 9 claw !Ў Remove two solders of reel assy. !є claw 8 claw !TM cabinet (rear) 7 claw 9 claw 8 claw 6 claw knob (earphone/spaeker) C S1 4 screw (M1.7 Ч 10) 7 claw 6 claw 5 First, insert the flat-blade screwdriver into the cabinet and turn it in the direction of the arrow C to release two claws 6. Next, release all claws from 7 to 0 in numerical order. Note: Hold a cloth to the cabinet not to be damaged. Note: On installation of cabinet (rear), adjust the knob (earphone/speaker) and S1. MAIN BOARD 1 knob (power) 2 knob (noise cut) 4 Remove two solders of speaker leads. 3 knob (2 band) 5 MAIN board ­3­ REEL ASSY 2 three screws (B1.4 Ч 3) 4 reel assy 1 blind plate 3 Draw the ear receiver in the direction of the arrow. ­4­ SECTION 3 DIAL POINTER SETTING Note: Follow the assembly procedure in the numerical order given. 4 knob (tune) 1 Insert the pointer in the groove of cabinet (front) assy and slide in the direction of the arrow A. 3 gear (midway) A pointer 2 Set the tip of pointer to the marking of cabinet (front) assy. marking the tip of pointer cabinet (front) assy cabinet (front) assy 8 Rotate the gear (tuning capacitor) fully in the direction of the arrow C. 7 screw 9 MAIN board Note: On installation of MAIN board, (1.7 Ч 3) set the outline of gear (tuning capacitor). boss 6 To install the gear fixing each oval shape, set the boss of the gear (tuning capacitor) as the figure. oval 5 Rotate the tuning capacitor shaft fully in the direction of the arrow B. B C cabinet (front) assy ­5­ SECTION 4 ELECTRICAL ADJUSTMENTS 0 dB=1 µV [FM] Setting: POWER switch: AUTO OFF Band switch: FM Output select switch: @ (earphone) FM RF signal generator TP (FM IN) 16 set 22.5 kHz frequency deviation by 400 Hz signal Output level: as low as possible + ­ @(earphone) jack (J1) T1 FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L3 CT1-3 75 MHz 109.5 MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L2 CT1-4 75