Sony_AN-LP1_serv.pdf
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1、SHORT WAVE ACTIVE ANTENNA MICROFILM US Model Canadian Model AEP Model UK Model E Model Australian Model Tourist Model SERVICE MANUAL AN-LP1 This set consists of the following units. Antenna Module Antenna Controller Filter Unit SPECIFICATIONS 2 SECTION 1 GENERAL This section is extracted from instru
2、ction manual. 3 4 SECTION 2 DISASSEMBLY CABINET (FRONT/REAR), REEL ASSY 4cabinet (front) 2two screws (M1.7) 3step tapping screw (2) 4cabinet (rear) 2two screws (M1.7) 1battery case lid 5reel assy S102 knob (power) NOTE FOR INSTALLATION CABINET (FRONT) On installation cabinet (FRONT) adjust the knob
3、(POWER) and S102. Note: Follow the disassembly procedure in the numerical order given. 5 2control board 1Remove two solders of battery terminal (+) and battery spring () 1Remove six solders of cord (WITH PLUG) and reel board.3reel board reel board surface of contacts 1two precision tapping screws (1
4、.4) 1two precision tapping screws (1.4) 3case (FILTER) (REAR) 3case (FILTER) (FRONT) 2two claws CONTROL/REEL BOARD CLAMP FILTER Note on instalation: Apply grease (J-2502-028-1) to the surface of contacts on the reel board. 6 SECTION 3 ELECTRICAL ADJUSTMENT FREQUENCY ADJUSTMENT Connection: Note: Make
5、 this adjustment, if either ANTENNA board or CONTROL board in this set was replaced or if equivalent work was executed, because these boards have been adjusted in a pair. 2.Disconnect a loop antenna assy from the ANTENNA board, and connect a dummy antenna coil (2.2H (1-410-320-00) between TP (ANT+)
6、and TP (ANT) of the ANTENNA board. 3.Connect the ANTENNA MODULE, ANTENNA CONTROL- LER, RADIO for adjustment (e.g. multi-band radio having ex- ternal antenna input terminal (ICF-SW7600G), and level meter as shown below. Adjustment Procedure: 1.Adjust the receiving frequency of the radio for adjustmen
7、t (ICF- SW7600G) to the AM RF SSG frequency (refer to the follow- ing table). 2.Adjust respective adjusting elements on the CONTROL board so that the level meter reading becomes maximum when the frequency of AM RF SSG and the FREQ SELECT switch are set as listed below. Adjustment and Connection Loca
8、tion: ANTENNA BOARD (Conductor Side) CONTROL BOARD (Conductor Side) AM RF SSG output level: as low as possible TP(DUMMY-IN) ANTENNA board 0.5 pF TP(SG GND) + level meter ANTENNA CONTROLLER ANTENNA MODULE Long cord of ANTENNA CONTROLLER Short cord of ANTENNA CONTROLLER J1 and J2 RADIO of adjustment (
9、ICF-SW7600G) external antenna jack headphone jack TP (SG GND) TP (ANT) TP (ANT+) TP (DUMMY-IN) J1J2 RV103 RV104 RV105 RV106 S101 FREQ SELECT SWITCH RV102 RV107 RV108 RV109 RV101 AM RF SSGFREQ. SELECTAdjusting frequencyswitch positionelements 3.950 MHz4RV101 4.900 MHz5RV102 6.075 MHz6RV103 7.250 MHz7
10、RV104 9.700 MHz10RV105 11.825 MHz12RV106 13.700 MHz14RV107 16.500 MHz16RV108 20.400 MHz20RV109 1.Connect AM RF SSG to the TP (DUMMY-IN) and TP (SG GND) of the ANTENNA board. D1H-2 D2H-2 D5G-3 D6G-3 D7G-3 D8G-3 D9G-1 D10G-1 D11G-1 D12G-2 D13G-2 D14G-1 D101F-8 D102E-8 D103B-10 D104D-9 D105D-9 D106D-9
11、D107D-9 D108D-9 IC101B-10 Q1G-3 Q2G-2 Q101E-8 Q102E-8 Q103B-9 Q104A-9 Q105C-10 Q106C-9 Q107B-8 Q108C-8 Q109C-8 Q110C-8 Q111C-9 Q112C-9 Q113C-10 Q114C-10 Q115C-9 Q116B-9 Q117C-9 Q118C-8 Q119D-8 Q120C-9 Q121C-10 Q122C-10 Q123D-8 7 8 SECTION 4 DIAGRAMS AN-LP1 4-1.PRINTED WIRING BOARDS Semiconductor Loc
12、ation Ref. No. Location Note on Printed Wiring Board: : parts extracted from the component side. : parts extracted from the conductor side. : indicates side identified with part number. r: Through hole. : internal component. : Pattern from the side which enables seeing. (The other layers patterns ar
13、e not indicated.) Caution: Pattern face side: Parts on the pattern face side seen from the (Side B)pattern face are indicated. Parts face side:Parts on the parts face side seen from the (Side A)parts face are indicated. 9 10 4-2.SCHEMATIC DIAGRAM 0.5 Vp-p 550 ns 0.1 Vp-p 550 ns 710 ns 34.4 Vp-p Note
14、 on Schematic Diagram: All capacitors are in F unless otherwise noted. pF: F 50 WV or less are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless otherwise specified. : internal component. : panel designation. : B+ Line. : adjustment for repair. Power
15、 voltage is dc 3 V and fed with regulated dc power supply from battery terminal. Voltages and waveforms are dc with respect to ground un- der no-signal conditions. no mark : FREQ. SELECT “4” () : STANDBY Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to nor
16、mal production tolerances. Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. Circled numbers refer to waveforms. Signal path. : RF AN-LP1 Waveforms 1 Q101 BASE 2 Q102 BASE 3 D101 ANODE SECTION 5 EXPLODED VIEWS Items marked “*” are not stock
17、ed since they are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference num- ber in the exploded views are not supplied. Accessories and packing materials are given in the last of the electrical parts list. NOTE: -XX a
18、nd -X mean standardized parts, so they may have some difference from the original one. Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) Parts ColorCabinets Color Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark (1) ANTENNA MODULE 4 2 1 5 3 ANT 1 13-91
19、0-063-01 SCREW (1.7X10) * 2A-3679-909-A ANTENNA BOARD, COMPLETE 33-015-953-01 CASE (UPPER) 43-018-979-01 STRAP 53-015-954-01 CASE (LOWER) ANT1X-3374-227-1 ANTENNA ASSY (LOOP ANTENNA) 11 12 51 52 53 65 66 54 55 56 57 58 59 60 64 61 62 60 63 not supplied Ref. No.Part No.DescriptionRemarkRef. No.Part N
20、o.DescriptionRemark 51A-3638-504-A REEL ASSY 523-015-951-01 KNOB (POWER) 533-015-948-01 CABINET (FRONT) 543-899-829-01 WASHER (SLIT) * 55A-3679-910-A CONTROL BOARD, COMPLETE * 561-666-723-11 REEL BOARD 573-015-949-01 CABINET (REAR) 583-377-127-01 TERMINAL (+), BATTERY 593-907-745-01 SPRING (), BATTE
21、RY 603-363-895-01 SCREW (M1.7) 613-907-747-01 SPRING (+/. B), BATTERY 623-895-517-11 SCREW (2), TAPPING, STEP 631-782-543-11 CORD (WITH PLUG) (1PIN) 643-015-956-01 LID, BATTERY CASE 653-015-952-01 KNOB (TUNE) 663-015-950-01 REEL (2) ANTENNA CONTROLLER 13 not suppled not suppled 104 104 105 106 103 1
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