Panasonic-RE7392-cs-sm 电路图 维修手册.pdf

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1、Panasonic ervlce R A DID anua Panasonic FM-AM FM STEREO TABLE RADIO MODEL RE -7392/RE-7392C SPECIFICATIONS Frequency Range: FM 87.5108 MHz AM 5251605 kHz FM 10.7 MHz Power Consumption : 7.5 W at 120V Intermediate Frequency: Sensitivity: Peak Music Power: Power Source: AM 455 kHz FM 5f.1V for 30 dB Q

2、uieting AM 50f.1V/m for 50 mW Output 4W AC 120V 60 Hz Speakers: Dimensions: Weight: Impedance MATSUSHITA ELECTRIC CORP. OF AMERICA MATSUSHITA ELECTRIC OF HAWAII. INC. MATSUSHITA ELECTRIC OF CANADA LTD. ORDER NO. RD-873 Two 4 PM Dynamic Speaker 17%(Wide) x 6%;(High) x 6Ys( Deep) 6 lb. 3 oz. Speaker .

3、 8.0. FM Antenna Terminal. . 75.0. Phono Jack . . 500 k.o. PanAm Bldg . 200 Park Ave. New York. N. Y. 10017 320. Waiakamilo Road Honolulu. Hawaii 96817 40 Ronson Drive. Rexdale. Ont. RadioFans.CN 收音机爱 好者资料库 2 3 4 5 6 7 ALIGNMENT INSTRUCTIONS READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT Notes: 1. Set v

4、olume control to maximum or minimum (FM-IF). 2. Set tone control to treble 3. Set balance control to center. 4. Set band selector switch to AM or FM. 5. Set power source voltage to 120 volts AC. 6. Output of signal generator should be no higher than necessary to obtain an output reading. SIGNAL GENE

5、RATOR or RADIO DIAL INDICATOR SWEEP GENERATOR SETTING ADJUSTMENT CONNECTIONS FREQUENCY (DISTANCE) (VTVM or SCOPE) AM ALIGNMENT Fashion loop of Output meter several turns of wire 550 kHz Ls (OSC Coil) and radiate signal 550 kHz (Refer to fig. 1.) across voice coil. into loop of receiver. (Left side)

6、/I 600 kHz Tune to signal /I ( * )L4 (ANT Coil) 1500 kHz 1500 kHz C31 (OSC Trimmer) /I (Refer to fig. 1) /I C28 (ANT Trimmer) * Cement antenna bobbin with wax after completing alignment. FM-IF ALIGNMENT High side thru. Point of non- Connect vert. 0.001 mfd to point 10.7 MHz interference. amp. of sco

7、pe to T1 (FM 1st 1FT) TP2. Common to (on/about point TP3. T3 (FM 2nd 1FT) chassis. (400 kHz SWP.) 90 MHz). Common to (Primary) chassis. Connect vert. amp. of scope to 1/ 1/ 1/ point TP3. T4 (FM 2nd 1FT) Common to (Secondary) chassis. FM-RF ALIGNMENT Connect to EXT FM L3 (FM OSC Coil) antenna termina

8、l through FM Dummy 90 MHz 90 MHz Output meter antenna. (Refer to fig. 1) across voice coil. L1 (FM DET Coil) (Refer to fig. 4) (Left side) Cll (FM OSC /I 106 MHz 106 MHz Trimmer) (Refer to fig. 1) /I C5 (FM DET Trimmer) * Three output responses will be present; proper tuning is the center frequency.

9、 DISTANCE ON DIAL SCALE 1. Tuning gang is now positioned at maximum capacity. 2. Cement the subsidiary pointer to chassis. 3. Mark the measurement points on the cord with pencil or pen and set the tip of the pointer at the starting mark on the cord. 4. Turn tuning gang so that each measurement point

10、 on the cord may coincide with the tip of the subsidiary pointer and adjust as per the instructions of ALIGN- MENT. REMARKS Adjust for maximum output. Adjust for maximum output. Adjust L4 by moving coil bobbin along ferrite core. Adjust for maximum output. Repeat steps (1)(3). Adjust for maximum amp

11、litude and proper linearity between 100 kHz markers. (Refer to fig. 2) Adjust T4 so that 10.7 M Hz marker appears at the center. (Refer to fig. 3) ( * )Adjust for maximum output. ( * )Adjust for maximum output. Repeat steps and (7). (6) Fig. 2 Fig. 3 I I 3%, I I To Receiver I 500 0001 I I . I _ E To

12、 SG (SG mp. 500 ) I06MHz 1500kHz Fig. 1 Fig. 4 FM Dummy Antenna RE-7392/ RE-7392C RadioFans.CN 收音机爱 好者资料库 EQUIPMENT REQUIRED * Stereo Modulator . Connect Stereo Modulator output to EXT. Mod. terminal of signal generator. * Signal Generator . . . Modulation Rate of 19 kHz Pilot Signal . . . . 10%. Mo

13、dulation Rate by L+ R Signal. . . 27% (Alignment Step 3) Output Level. . 30 dB or 60 dB (Alignment Step 2 i Remarks C39 ECOS1471JZ 470 mmf, 125WV, Styrol 1 C C74,76 ECOG05102MZ-N 0.001 mtd, 50WV. Polyester 2 C TRANSISTORS AND DIODES C62, 66, 70, 71 ECOG05153MZ-N O.015mfd, 50WV, Polyester 4 C 1 C33,4

14、2,52,54, ECOG05223MZ-N O.022mfd, 50WV, Polyester 8 C ICI AN217 I F Amplifier A 58,65,78,79 IC2 AN211 MPX Amplifier 1 A C75,77,55,59 ECOG05473MZ-N 0.047mfd, 50WV, Polyester 4 C TRI 2SC921 FM RF Amplifier 1 A C80 ECOG05103P O.Olmfd, 50WV. Polyester 1 C TR2 2SC920 FM Converter 1 A C38 ECAGI6ER1-Y O.lmf

15、d, 16WV, Electrolytic 1 TR3 2SA564 Eye Switching 1 A C56,60 ECAG16ER22 0.22mfd, 16WV. E tectrolytic 2 TR4, 5, 6, 7, 8 2SC945 Eye Switching, Regulator 8 A C35,40,57,61, ECEA50Vl lmfd, 50WV. Electrolytic 6 9,10 2M Cabinet (C omplete) 1 A CAl Cabinet Only 1 C Rl,63 ERC12GM105 lMO, Watt, Solid 2 B CA2 R

16、KD155A Scale. Dial 1 B R13 ERD18SJ390 390, Watt. Carbon 1 B CA3 RGB68A Badge, PANASONIC Mark 1 C R19 ERD18SJ470 470, Watt. Carbon 1 B CA4 RGG10A Grille, Cabinet Front 1 B R12 ERD18SJ560 560, ,Watt, Carbon 1 B CA5 RDP60AS Pointer, Dial 1 A R5,29 ERD18SJ10l 1000, ,Watt. Carbon 2 B CA6 RHS320A Sheet, D

17、ial Scale 1 C R47,49,60,62 ERD18SJ221 2200, ,Watt. Carbon 4 B CA7 RGK243A Indicating Plate, BALANCE Mark 1 C R27 ERD18SJ471 4700, JiWa(t. Carbon I B CA8 RUV373 Cover, Balance Control 1 C R48,61 ERD18SJ561 5600, Watt, Carbon 2 B CA9 RGK203A Indicating Plate, VohJTIe Mark 1 B R14,15,16 ERD18SJ102 lKO,

18、 ,Watt. Carbon 3 B CA10 RGL6A Panel L ight, STEREO Mark 1 C R25 ERD18SJ152 1.5KO, ,Watt, Carbon 1 B CAll RGP120A Panel. Dial 1 B R17 ERD18SJ182 1.8KO, ,Watt. Carbon I B CA12 RGX285A Ornament (Right Side) 1 B R26,28 ERD18SJ222 2.2KO, ,Watt. Carbon 2 B CA13 RGX287A Ornamellt (Left Side) 1 B R9 ERD18SJ

19、153 15KO, JiWatt. Carbon I B CA14 RUG29A Pointer Guide 1 C R18,23,31,35, ERD18SJ332 3.3KO, ,Watt. Carbon 5 B CA15 RKU90A Rear Panel, Cabinet (Model RE-7392) 1 B 36 RKU90B Rear Panel. Cabinet (Model RE-7392C) 1 B R7 ERD18SJ331 3300, ,Watt. Carbon 1 B XTW3D12BFZ Screw, Rear Panel Mtg 3 B R20 ERD18SJ56

20、2 5.6KO, JiWat t. Carbon 1 B CA16 RBN119A Knob, Band Selector 1 A R3,34,41.44, ERD18SJ682 6.8KO, JiWatt, Carbon 7 B CA17 RBN118A Knob, Voll.me Tone & Tuning 3 A 46,57,59 CA18 RBD31Al Knob, Balance 1 A R39, 52, 65, 66, ERD18SJ103 10KO, YeWa t t, Carbon 6 B 67,68 R33 ERD18SJ123 12KO, JiWatt, Carbon 1

21、B CHASSIS R45,58 ERD18SJ333 33KO, JiWatt, Carbon 2 B R6,10,24 ERD18SJ104 1 OOKO, Watt, Carboo 3 B XAMR10T150 Lamp, STEREO Eye, 6.3V 0.04A 1 A R22,43,56 ERD18SJ224 220KO, JiWatt, Carbon 3 B CHI RHG918B Rubber, Lamp Mtg 1 C R4 ERD18SJ394 390KO, JiWatt, Carbon 1 B RJA9C AC Cord, Power Source 1 B R37,38

22、,50,51 ERD18SJ474 470KO, Watt, Carbon 4 B RHRlll Grommet. AC Cord Mtg 1 C R30 ERD18T J151 1500, YeWatt, Carbon 1 B RHR108A Wire Nut, AC Cord 2 C R21 ERDI8TJ473 47KO, YeWatt, Carbon 1 B CH2 RJF4209-2 Terminal. EXT. FM Antenna 1 B Rll ERD18T J394 390KO, YeWatt, Carbon 1 B CH3 RJF3226 Jack, Phono 1 B R

23、69 ERD18T J392 3.9KO. Watt, Carbon 1 B CH4 RDD620A Drum, Dial 1 B R2 ERD18VJ123 120KO, Watt. Carbon 1 B CH5 RDS4170A Spring, Dial 2 A R70,71 ERD18VJ102 lKO, JiWatt. Carbon 2 B RDT5294A Shaft, Tuning 1 A R53 ERD18VJ682 6.8KO, Watt, Carbon 1 B CH6 RDZ05A Cord, Dial, 51 JiO-1 B CH7 RHG109 Rubber, Core

24、Antenna Mtg 2 C XTN3D8BR Red Screw. Chassis Mtg 5 B VARIABLE RESISTORS R64 EVA03AB02G14 1 OKO (G), Balance Control 1 I A PACKING R40,54 EVFNOAL30A 14 1 OKO (A), Tone Control 1 A R42,55 EVFNI DL30D54 50KO (D), Vole Control 1 A PI RPH109A Soft Cover 1 C R32 EVLTOAAOOB14 1 OKO (B), Separation Control 1

25、 A P2 RPN889A Top Pad 2 C P3 RPN888B Cover 1 C CAPACITORS P4 RPN937A Pad 1 C ECCD05020C 2mmf, 50WV. Ceramic 1 C RPN9066A Pad (Complete) 1 C C18 P5 (RPN886A Pad A (Supply as RPN9066A) (1) c C2 ECCD05030C 3mmf. 50WV. Ceramic 1 C Pad B (Supply as RPN9066A) (1) C ECCD05070DC 7mmf. 50WV, C eram ic 1 C P6 RPN887A C30 Carton Box (Model RE-7392) 1 C C8 ECCD05181 K 180mmf. 50WV. C eram ic 1 C P7 RPG641 A RPG679A Carton Box (Model RE-7392C) 1 C C26 ECCD05331 K 330mmf. 50WV, C eram ic 1 C C9,15,19,20, ECKE05103P O.Olmfd, 50WV, Ceramic 6 C P8 ROX5339A Instruction Book 1 B 24,36 RE-7392/RE-7392C