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MAIN PCB ASSY

REF.NO.

PARTS NO.

DESCRIPTION

9A09233300

MAIN PCB ASSY          

9A09245200

PCB,B3850/B3852/B3853  

C95        

£

9A09241800

C,ELEC 2200UF/25V    

C97        

£

9A09240000

C,ELEC 100UF/100V    

C98        

£

9A09240300

C,ELEC 47UF/63V NP  

D1‑D4        

9A09237300

DIODE,1N4148      

D5           

9A09237500

ZENER DIODE,5.6V 0.5W   

D6           

9A09237600

ZENER DIODE,22V 0.5W    

D7‑D10     

£

9A09237400

DIODE,1N4007      

F1‑F3        

9A09241200

FUSE HOLDER             

J1           

9A09244500

RCA JACK,HSP‑242V1‑3  

J2           

9A09245000

WAFER,5045‑7P      

J3           

9A09245100

WAFER,5045‑8P      

J4           

9A09244900

WAFER,5045‑6P      

J8           

9A09244800

WAFER,5045‑2P      

JP1          

9A09242500

ANT TERMINAL 

L1           

9A09242600

CHOKE,2.2UH        

L2           

9A09242800

I.F.T,LA‑003       

P2           

9A09244600

TERMINAL GND          

P5,P6        

9A09244700

PIN             

Q1,Q2        

9A09240500

TR,2SC1815BL    

Q3           

9A09240600

TR,2SA1015      

Q4           

9A09240500

TR,2SC1815BL    

Q5           

9A09241600

TR,2SK192A     

Q6‑Q8        

9A09240500

TR,2SC1815BL    

Q10          

9A09240500

TR,2SC1815BL    

Q12,Q13      

9A09240700

TR,2SC3327A     

Q14          

9A09240500

TR,2SC1815BL    

Q15          

9A09240600

TR,2SA1015      

Q16,Q17      

9A09240700

TR,2SC3327A     

Q19          

9A09240500

TR,2SC1815BL    

Q20          

9A09242700

TR,2SB633       

Q21,Q22      

9A09240500

TR,2SC1815BL    

Q23          

9A09240800

TR,2SA965       

R35          

9A09241500

NTC THERMISTORS,300 OHM  

R41        

£

9A09241300

R,M.O.F 2W 100   

R82        

£

9A09241300

R,M.O.F 2W 100   

R90        

£

9A09241400

R,M.O.F 1W 4K7   

RF1          

9A09243300

FM TUNER,TFFJ4E570A   

T1           

9A09242900

I.F.T,LO‑O03       

T2           

9A09243000

I.F.T,A‑8B C02‑8072

T3           

9A09243100

I.F.T,0203‑W009    

T4,T5        

9A09243200

I.F.T,10DF01       

TP1          

9A09244400

PIN,2541‑2P      

TSW(SW2)     

9A09243400

TACT SW,SFKHHLU1714  

TVC1,TVC2    

9A09243500

TRIMMER,CTY‑112B 8P  

TVR1         

9A09241000

TVR,6 H‑TYPE 30K   

TVR2         

9A09240900

TVR,6 H‑TYPE 10K   

TVR3         

9A09241000

TVR,6 H‑TYPE 30K   

TVR4,TVR5    

9A09241100

TVR,6 H‑TYPE 1M    

U1           

9A09241900

IC,AN278        

U2           

9A09242000

IC,LA1266       

U3           

9A09242100

IC,LA3450       

U4           

9A09242200

IC,TC9257P      

U5,U7      

£

9A09242300

IC,AN7805       

MAIN PCB ASSY

REF.NO.

PARTS NO.

DESCRIPTION

U8         

£

9A09242400

IC,AN7812       

U8           

9A09244300

HEAT SINK        

VD1,VD2      

9A09243600

VARICAP,1SV149       

X1           

9A09243700

CRYSTAL,7.2MHZ    

Z1           

9A09243800

CERAMIC FILTER,SFZ10.7MS2 

Z2           

9A09243900

CERAMIC FILTER,SFZ10.7MS3 

Z3           

9A09244000

CERAMIC FILTER,SFZ450B    

Z4           

9A09244200

CERAMIC FILTER,BFU450CN   

Z5           

9A09244100

CERAMIC FILTER,CSB456F11  

KEY PCB ASSY

REF.NO.

PARTS NO.

DESCRIPTION

9A09233400

KEY PCB ASSY            

9A09248000

PCB,B3851        

9A09247200

FL TUBE,25U39167TAN  

D1           

9A09237300

DIODE,1N4148      

IR1          

9A09247100

INFERRED RECEIVER,IR‑9G 

J1 TO J2     

9A09247800

CONNECTOR,ED‑491 7P   

J2 TO J3     

9A09247700

CONNECTOR,ED‑E67 8P   

J3 TO J8     

9A09247600

CONNECTOR,ED‑C92 2P   

Q1           

9A09240600

TR,2SA1015      

R1           

9A09246700

R,NETWORKS 10KX7 8P7R 

R2           

9A09246800

R,NETWORKS 10KX4 5P4R 

R9           

9A09246600

R,NETWORKS 10KX6 7P6R 

R10          

9A09246700

R,NETWORKS 10KX7 8P7R 

SW1‑SW8      

9A09247000

TACT SW,SKHVBK3710   

SW10‑SW23    

9A09247000

TACT SW,SKHVBK3710   

U2           

9A09246500

IC,TMP87PM78F   

U3           

9A09246300

IC,TC74HCU04    

U4           

9A09246900

IC,93C66        

U5           

9A09246400

IC,JRC6356E     

X1           

9A09247400

CRYSTAL,8MHZ      

X2           

9A09247500

CRYSTAL,32.768KHZ    

TRANSFORMER PCB ASSY

REF.NO.

PARTS NO.

DESCRIPTION

9A09233500

TRANSFORMER PCB ASSY      

9A09245200

PCB,B3850/B3852/B3853  

J5 TO J4     

9A09245600

CONNECTOR,ED‑488 6P  

J7           

9A09245300

WAFER,3963‑5P3T    

J9           

9A09245400

WAFER,3963‑3P2T    

T6         

£

9A09245500

TRANSFORMER  

SELECT SW PCB ASSY

REF.NO.

PARTS NO.

DESCRIPTION

9A09233600

SELECT SW PCB ASSY        

9A09245200

PCB,B3850/B3852/B3853  

£

9A09245700

SLIDE SW,S14‑22AH     

9A09245800

CONNECTOR,ED‑E69 5P3T  

9

Содержание T-R670

Страница 1: ...S PC boards shown are viewed from parts side The parts with no reference number or no parts number in the exploded views are not supplied As regards the resistors and capacitors refer to the circuit diagrams contained in this manual Parts marked with this sign are safety critical components They must be replaced with identical components refer to the appropriate parts list and ensure exact replace...

Страница 2: ...gnal to Noise Ratio 45 dB at 85 dB m General Power Requirements 120 230 V AC 50 60 Hz Power Consumption 8 W Dimensions W x H x D 435 x 102 x 270 mm Weight net 3 6kg Standard Accessories AM Loop Antenna x 1 FM T type Antenna x 1 Matching Transformer x 1 Remote Control Unit RC 789 x 1 Improvements may result in specifications and features changing without notice Voltage Conversion General export mod...

Страница 3: ...dulator Frequency counter Distortion analyser IMPORTANT 1 Check power source voltage 2 Set the function switch to band aligned 3 Keep the signal input as low as possible to adjust accurately 4 Modulation and modulation frequency Item Modulation Modulation frequency Band AM 30 400Hz FM 100 75KHz Dev 400Hz ADJUSTMENT POINT MAIN PCB T2 T3 2 T4 T5 TVR5 TVR4 TVR2 TVR1 TVR3 T1 TVC1 TVC2 TP1 L2 RF1 P5 P6...

Страница 4: ...e AM ANT Coil through the loop antenna Adjust for the indication of VTVM of the wave form of scope to be maximum BAND Step Frequency Adjust for Adjustment 1 630KHz Maximum sensitivity L2 T2 2 1420KHz Maximum sensitivity TVC2 3 Repeat steps 1 and 2 several times AM NO Frequency Adjust for Adjustment 1 97 8MHz L rejection T4 2 P5 GND 3 97 8MHz 97 8MHz TVR3 T5 L R rejection R rejection 3 FM 19kHz REJ...

Страница 5: ...T3 2 3 5 FM AM AUTO STOP LEVEL ADJUSTMENT FM SIGNAL GENERATOR Connect to FM ANT Jack FM IN through the dummy AM SIGNAL GENERATOR Connect to AM ANT Coil through the Loop antenna BAND STEP SIGNAL GENERATOR Adjust for Adjustment 1 97 8MHz 16dB Display ON TVR1 1 630KHz 74dB Display ON TVR2 AM FM TUNED TUNED 4 Repeat steps 1 and 2 Several times 97 8MHz Minimum T H D T1 TP1 TP1 NO Frequency Adjust for A...

Страница 6: ... 6 2 4 5 6 12 13 17 16 15 14 21 20 19 18 23 22 3 7 8 9 10 11 1 3 EXPLODED VIEWS AND PARTS LIST ...

Страница 7: ...200000 15 9A09231700 BRACKER U TYPE 78C206000000 16 9A09233500 TRANSFORMER PCB ASSY TR670B3852 17 9A09230100 UPPER COVER 78C266300000 18 9A09233300 MAIN PCB ASSY TR670B3850 19 9A09233600 SELECT SW PCB ASSY TR670B3853 20 9A09231500 BUSHING 98BSB4F4 21 9A09231400 AC CORD 651B2U56B24P 22 9A09231300 HOLER ANT 85A271 23 9A09229900 REAR PLATE 78C2661W0245 F1 F2 9A09231900 FUSE 0 5A 250V T 265200P521TQ F...

Страница 8: ... 8 KEY PCB MAIN PCB TRANSFORMER PCB SELECT SW PCB 4 PC BOARDS AND PARTS LIST ...

Страница 9: ... TYPE 10K TVR3 9A09241000 TVR 6 H TYPE 30K TVR4 TVR5 9A09241100 TVR 6 H TYPE 1M U1 9A09241900 IC AN278 U2 9A09242000 IC LA1266 U3 9A09242100 IC LA3450 U4 9A09242200 IC TC9257P U5 U7 9A09242300 IC AN7805 MAIN PCB ASSY REF NO PARTS NO DESCRIPTION U8 9A09242400 IC AN7812 U8 9A09244300 HEAT SINK VD1 VD2 9A09243600 VARICAP 1SV149 X1 9A09243700 CRYSTAL 7 2MHZ Z1 9A09243800 CERAMIC FILTER SFZ10 7MS2 Z2 9...

Страница 10: ...ELECT SW PCB AM FM Stereo Tuner T T R R6 67 70 0 1 st Issue October 2001 INSTRUCTIONS FOR SERVICE PERSONNEL BEFORE RETURNING APPLIANCE TO THE CUSTOMER MAKE LEAKAGE CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT ...

Страница 11: ...8 6 7 4 5 2 3 1 E D C B A SCHEMATIC DIAGRAM T R670 KEY PCB AM FM Stereo Tuner T T R R6 67 70 0 1 st Issue October 2001 ...

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