Sony icf j 1 service manual

This is the 17 pages manual for sony icf j 1 service manual.
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sony icf j 1 service manual

Extracted text from sony icf j 1 service manual (Ocr-read)


Page 1

– 2 – TABLE OF CONTENTS 1. GENERAL ................................................................... 2 2. DISASSEMBLY ......................................................... 3 3. ASSEMBLY ................................................................. 7 4. ELECTRICAL ADJUSTMENTS ......................... 9 5. DIAGRAMS 5-1. Block Diagram ................................................................ 11 5-2. Printed Wiring Board ...................................................... 13 5-3. Schematic Diagram ......................................................... 15 6. EXPLODED VIEWS ................................................ 17 7. ELECTRICAL PARTS LIST ............................... 19 SECTION 1 GENERAL This section is extracted from instruction manual. Insert the # side of the battery first. Inserte en primer lugar la parte # de la pila. R 20 (size D) × 2 pila R20 (tamaño D) × 2 Pass the strap through the buckle. Pase la correa a través de la hebilla.Telescopic antenna Antena telescópica indicator indicador Notes on chip component replacement - Never reuse a disconnected chip component. - Notice that the minus side of a tantalum capacitor may be dam- aged by heat. CF 3 CF1 mark Mark Center frequency red 10.70 MHz blue 10.67 MHz orange 10.73 MHz black 10.64 MHz white 10.76 MHz HOW TO CHANGE THE CERAMIC FILTERS This model is used two ceramic filters of CF1 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.

Page 2

– 3 – SECTION 2 DISASSEMBLY - This set can be disassemble in the order shown below. Note: Follow the disassembly procedure in the numerical order given. LID, BATTERY CASE SetLid, Battery Case Knob (Tuning), Knob (Volume) Chassis Section Main Board Chassis Antenna, Ferrite-Red (MW) (L1) Speaker (9.2 cm) (SP1)Antenna, Telescopic (FM/SW) (ANT1), Cabinet (Rear) 1 Open the battery case lid. 2 boss 2 boss 3 lid, battery cas e 2 tuning, spring knob (volume) hole variable resistor (RV1) Note: Insert the knob (volume) into the variable resistor (RV1), meeting both shapes of the hole in the knob and the shaft of RV1 as shown. 3 knob (tuning ) 1 4 6 knob (volume) 5 O ring, P-9 KNOB (TUNING), KNOB (VOLUME)