GrundigYachtBoy10WR5401 维修电路图、原理图.pdf

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1、Service Document Exchange Set Es gelten die Vorschriften und Sicherheitshinweise gem dem Service Manual Sicherheit, Material- nummer 720108000001, sowie zustzlich die even- tuell abweichenden, landesspezifischen Vorschrif- ten! The regulations and safety instructions shall be valid as provided by th

2、e Safety Service Manual, part number 720108000001, as well as the respective national deviations. S S Service Manual Sicherheit Safety Materialnr./Part No. 720108000001 ? YACHT BOY 10 WR5401 Dieses Service Dokument ist nur in Datenform verfgbar This Service Document is only available as data nderung

3、en vorbehalten/Subject to alteration Made by GRUNDIG in Germany HS-41 0404 YACHT BOY 10? ALIGNMENT INSTRUCTIONS (1) ALIGNMENT FOR FM FREQUENCY RANGE a. Required Instruments FM RF signal generator SSVM b. Alignment Procedure Mode Adjustment Procedure (1) Set the power switch to the ON position. (2) C

4、onnect a SSVM to the TP5 and TP6. (3) Connect the FM signal generator to the input terminal of the rod antenna (TP1, TP2) (4) Set the signal of the signal generator to the standard FM band, with frequency deviation to 22.5 kHz modulation. (5) With the tuning gang fully closed, set the signal generat

5、or to 87.35 MHz 0.15 MHz and adjust L4 for a maximum reading on the SSVM. (6) With the tuning gang fully open, set the signal generator to 108.25 MHz 0.25 MHz and adjust VC3 for a maximum reading on the SSVM. FM L4 VC3 (7) Repeat Steps 5 and 6 until the best sensitivity is obtained at both frequenci

6、es. c. Instrument Connection (2) ALIGNMENT FOR FM SENSITIVITY a. Required Instruments FM/AM RF Signal Generator SSVM b. Alignment Procedure Mode Adjustment Procedure (1) Set the power switch to the ON position. (2) Connect a SSVM to the speaker. (TP5, TP6) (3) Connect the FM signal generator to the

7、input terminal of the rod antenna (TP1, TP2) (4) Set the signal of the signal generator to the standard FM band, with frequency deviation to 22.5kHz modulation. (5) With the tuning gang fully closed, set the signal generator to 90 MHz and adjust L3 (stretch or squeeze) for a maximum reading on the S

8、SVM. (6) With the tuning gang fully open, set the signal generator to 106 MHz and adjust VC2 for a maximum reading on the SSVM. FM L3 VC2 (7) Repeat steps 5 and 6 until the best sensitivity is obtained at both frequencies. c. Instrument Connection YACHT BOY 10? (3) ALIGNMENT FOR AM IF a. Required In

9、struments AM RF Signal Generator SSVM b. Alignment Procedure Mode Adjustment Procedure (1) Set the power switch to the ON position. (2) Connect a SSVM to the TP5, TP6. (3) Connect the AM signal generator to the loop antenna. AM T1 (4) Set the signal generator to 460 kHz, with 30% modulation. Set the

10、 tuning gang fully closed, and adjust T1 for a maximum reading on the SSVM. c. Instrument Connection (4) ALIGNMENT FOR AM FREQUENCY RANGE a. Required Instruments AM RF Signal Generator SSVM b. Alignment Procedure Mode Adjustment Procedure (1) Set the power switch to the ON position. (2) Connect a SS

11、VM to the TP5, TP6. (3) Connect a AM RF signal generator to the loop antenna. (4) Set the signal generator to 516.5 kHz with 30% modulation. Set the tuning gang fully closed, and adjust L21 for maximum reading on the SSVM. (5) Set the signal generator to 1631.5 kHz. Set the tuning gang fully open an

12、d adjust VC4 for a maximum reading on the SSVM. MW L21 VC4 (6) Repeat Steps 4 and 5 until the best sensitivity is obtained at both frequencies. c. Instrument Connection YACHT BOY 10? (5) ALIGNMENT FOR AM FREQUENCY RANGE a. Required Instruments AM RF Signal Generator SSVM b. Alignment Procedure Mode

13、Adjustment Procedure (1) Set the power switch to the ON position. (2) Connect a SSVM to the TP5, TP6. (3) Connect a AM RF signal generator to the loop antenna. (4) Set the signal generator to 138.5 kHz with 30% modulation. Set the tuning gang fully closed, and adjust L22 for maximum reading on the S

14、SVM. (5) Set the signal generator to 293.5 kHz. Set the tuning gang fully open and adjust TC6 for a maximum reading on the SSVM. LW L22 TC6 (6) Repeat Steps 4 and 5 until the best sensitivity is obtained at both frequencies. c. Instrument Connection (6) ALIGNMENT FOR AM SENSITIVITY a. Required Instr

15、uments AM RF Signal Generator SSVM b. Alignment Procedure Mode Adjustment Procedure (1) Set the power switch to ON position. (2) Connect a SSVM to the TP5, TP6. (3) Connect the AM RF signal generator to the loop antenna. (4) Set the signal generator to 558 kHz, with 30% modulation. Set the tuning ga

16、ng fully closed and adjust L6 for a maximum reading on the SSVM. (5) Set the signal generator to 1440 kHz. Set the tuning gang fully open and adjust VC1 for a maximum reading on the SSVM. MW L6 VC1 (6) Repeat steps 4 and 5 until the best sensitivity is obtained at both frequencies. c. Instrument Con

17、nection YACHT BOY 10? (7) ALIGNMENT FOR AM SENSITIVITY a. Required Instruments AM RF Signal Generator SSVM b. Alignment Procedure Mode Adjustment Procedure (1) Set the power switch to ON position. (2) Connect a SSVM to the TP5, TP6. (3) Connect the AM RF signal generator to the loop antenna. (4) Set

18、 the signal generator to 153 kHz, with 30% modulation. Set the tuning gang fully closed and adjust L6 for a maximum reading on the SSVM. (5) Set the signal generator to 261 kHz. Set the tuning gang fully open and adjust TC5 for a maximum reading on the SSVM. LW L6 TC5 (6) Repeat steps 4 and 5 until

19、the best sensitivity is obtained at both frequencies. c. Instrument Connection (8) OSCILLATOR ALIGNMENT FOR REMAINDER OF SW BANDS a. Required Instruments AM RF Signal Generator SSVM b. Alignment Procedure Mode Procedure (1) Set the power switch to ON position. (2) Connect a SSVM to the TP5, TP6. (3)

20、 Connect a signal generator with a 10pF dummy antenna. (TP1, TP2) (4) Set the signal generators frequency as noted below (use 1kHz, 30% modulation). 75m 12m (5) With the tuning gang fully closed, adjust the appropriate coils noted below for maximum reading on the SSVM. Mode Generator Frequency Adjus

21、tment 75m 3.85 MHz L28 49m 5.80 MHz L28 41m 7.00 MHz L27 31m 9.30 MHz L27 25m 11.43 MHz L26 22m 13.43 MHz L26 19m 15.00 MHz L25 16m 17.32 MHz L24 13m 21.20 MHz L23 c. Instrument Connection YACHT BOY 10? YACHT BOY 10? 147 6 13 15 23 6 7 2 248 LW OSC L22 TC6 SW2 ST/MO SW7 OSC L25 20 BPF1 16 Q2 2SK212

22、RF AMP AM IF T1,CF1 FM IF CF3,CF4 VR1 VOLUME CONTROL JK2_SW SP/EARPHONE SWITCH JK2 EARPHONE JACK MW OSC L21,TC4 FM ANT L3,TC1 SW8 OSC L24 FM/SW ANTENNA SW9 OSC L23 MW/LW BAR ANT SW3 POWER ON/OFF JK1 DC IN 3-6V SW1 BAND SW SW1,2 OSC L28 FM OSC L4,TC2 21 IC1 TA2111N SW1 BAND SW POWER AMP IC2 TDA2822 S

23、W5,6 OSC L26 SW3,4 OSC L27 6V REG. Q6,Q7,Q8 YACHT BOY 10? YACHT BOY 10? ( 1 ) Weak sensitivity on FM mode Check whether the sensitivity is recovered if antenna is directly Yes Check the antenna terminal and connected to the point between antenna circuit. C32 and C72. No Yes Check IF waveform. Check

24、T1 and IC1. No Check C6 and L3. ( 2 ) Weak sensitivity in AM band Yes Is the reception in MW/SW/LW band O.K.? Check the antenna circuit and antenna terminal. No No Yes Check if band selectors are normal. Check whether IF is normal. Yes Check whether the antenna circuit is normal. Yes Check L7, Q2 an

25、d IC1. TROUBLESHOOTING FLOW CHARTTROUBLESHOOTING FLOW CHART ( 3 ) Power can not be turned on Yes Check whether the pin 2 of IC2 is 3V DC. Check whether the pin c of Q6 is 3V DC. No Yes Check DC Jack and connecter wire. Check IC1 and IC2. YACHT BOY 10? 1. IC1-TA2111N 2. IC2-TDA2822 IC CIRCUIT BLOCK D

26、IAGRAMIC CIRCUIT BLOCK DIAGRAMIC AND TRANSISTOR VOLTAGE CHART IC1-TA2111N IC2- TDA2822 PIN FM AM PIN FM AM 1 0.8 0 1 1.25 1.25 2 0 0 2 3 3 3 0.4 1 3 1.25 1.25 4 2.4 2.8 4 0 0 5 0 0 5 0.55 0.55 6 2.9 2.9 6 0 0 7 2.3 2.3 7 0 0 8 2.9 2.9 8 0.55 0.55 9 0 0 10 2.7 2.7 11 2.7 2.7 12 2.3 2.3 13 1.2 1.2 14

27、1.2 1.2 15 2.9 2.9 16 2.9 2.9 17 0.7 0.7 18 1.0 1.0 19 0.9 0.9 20 2.9 2.9 21 2.9 2.9 22 2.9 2.9 23 2.9 2.9 24 2.9 2.9 Transistor FM AM FM AM C 2.1 2.9 C 2.7 2.7 Q1 B 2.9 2.3 Q5 B 0 0 E 2.9 2.9 E 0 0 G 0 0 C 2.9 2.9 Q2 D 1.6 1.6 Q6 B 2.2 2.2 S 0 0 E 3 3 C 1.5 1.5 C 0.6 0.6 Q3 B 2.1 2.1 Q7 B 0.3 0.3 E

28、 2.7 2.7 E 0 0 C 0 0 C 0.1 0.1 Q4 B 2.9 2.9 Q8 B 0.6 0.6 E 2.9 2.9 E 0 0 C DSG BE 2SC4081R 1N4148 2SA1576A 2SA1162GR 2SK212D Diodes Transistors 1S58171SS314 (E:Emitter C:Collector B:Base S:Source G:Gate D:Drain) YACHT BOY 10? YACHT BOY 10? Ersatzteilliste Spare Parts List YACHT BOY 10 WR5401 AUDIO/H

29、IFI MATERIAL-NR. / PART NO.: 755112205000 BESTELL-NR. / ORDER NO.: GRO0250 CHROM/CHROME ? 11 / 2003 POS. NR. ABB.MATERIAL-NR.ANZ.BEZEICHNUNGDESCRIPTION POS. NO. FIG.PART NUMBERQTY. d 755112205000YACHT BOY 10 WR5401 CHROMYACHT BOY 10 WR5401 CHROME TAUSCHGERAETEXCHANGE SET 759545015100DECKEL BATTERIEB

30、ATTERY COVER 720114035000BEDIENUNGSANLEITUNGINSTRUCTION MANUAL D/GB/F/I/P/E/NL/PL/DK/S/FIND/GB/F/I/P/E/NL/PL/DK/S/FIN NDERUNGEN VORBEHALTEN / SUBJECT TO ALTERATION ( ! ) ! Es gelten die Vorschriften und Sicherheitshinweise gem dem Service Manual Sicherheit, Mat.-Num- mer 720108000001, sowie zustzlich die eventuell ab- weichenden, landesspezifischen Vorschriften! The regulations and safety instructions shall be valid as provided by the Safety Service Manual, part number 720108000001, as well as the respective national deviations.