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SRF-S84

SERVICE MANUAL

FM STEREO/AM RADIO

SPECIFICATIONS

E Model

Australian Model

Chinese Model

Ver 1.0   2002.02

Sony Corporation

Personal Audio Company

Published by Sony Engineering Corporation

9-873-482-01

2002B0200-1

© 2002.02

Frequency range
FM

: 87.5-108 MHz

AM

: 530 -1605kHz

Output

2

 (stereo earphones) jack (Ø3.5mm stereo minijack) load impedance 16

Power output

3.6mW + 3.6mW (at 10% harmonic distortion)

Power requirements

1.5 V DC, one R03 (rize AAA)

Dimensions

Approx.39.5 

×

 78.5 

×

 16.5 mm (w / h / d)(Approx. 1

9

/

16

 ×

 3

1

/

×

 

21

/

32 

inches)

not incl. projecting parts and contorols

Mass Approx.

61.2g (2.16 oz) incl. abattery and stereo earphones

Accessories supplied

stereo earphones (1)

Design and specifications are subject to change without notice

Summary of Contents for Walkman SRF-S84

Page 1: ...AM 530 1605kHz Output 2 stereo earphones jack Ø3 5mm stereo minijack load impedance 16Ω Power output 3 6mW 3 6mW at 10 harmonic distortion Power requirements 1 5 V DC one R03 rize AAA Dimensions Approx 39 5 78 5 16 5 mm w h d Approx 19 16 31 8 21 32 inches not incl projecting parts and contorols Mass Approx 61 2g 2 16 oz incl abattery and stereo earphones Accessories supplied stereo earphones 1 De...

Page 2: ...he soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering 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 TABLE OF CONTENTS SECTION 1 GENE...

Page 3: ...cedure in the numerical order given 2 1 CABINET REAR 2 2 MAIN BOARD r The equipment can be removed using the following procedure Cabinet rear Set Main board Cabinet front Main board 2 1 Cabinet front Cabinet rear 4Screw B1 7 x 8 1Screw B1 7 x 8 2Claw 2Claw 3Claws 4 ...

Page 4: ...net rear 5 1 Insert the pointer into the cabinet rear 2 Slide the pointer to arrow direction 3 Install the gear tuning capacitor and engage with pointer as a figure 4 Install the gear midway and the knob tuning and fasten it with washer 5 Turn the CV1 in a direction as a figure 6 Install the main board Note Follow the installation procedure in the numerical order given ...

Page 5: ...GE ADJUSTMENT Adjust for a maximum reading on level meter L6 CT1 86 5MHz 109 5MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L1 CT2 86 5MHz 109 5MHz Connect Location MAIN BOARD SIDE B Adjustment Location CT1 FM Frequency Coverage Adjustment CT4 AM Frequency Coverage Adjustment L3 AM Frequency Coverage Adjustment L6 FM Frequency Coverage Adjustment L2 FM 2ND OSC Adjustment L...

Page 6: ... FM AM P02 FM IF S1 FM ST FM MONO AM S2 POWER MEGA BASS ON OFF CT2 CV1 CT1 CV2 CT3 CV3 CT4 CV4 IC1 FM AM FRONT END IF AMP MPX IC2 MEGA BASS AMP IC3 HEADPHONE AMP i J1 S2 POWER MEGA BASS ON OFF DRY BATTERY SIZE AAA IEC DESIGNATION R03 1PC 1 5V VCC S1 2 S1 1 FM RF IN FM RF AM IN FM AM AM OSC FM 1ST OSC FM 2ND LOCAL 0 π _ 2 L CH IN 2 IN 1 IN 1 IN 2 OUT 1 MUTE POWER VCC OUT 2 LP IN R CH DET OUT MPX IN...

Page 7: ...EGABASStONtOFF S1 BAND FM ST r FM MONO r AM MAIN BOARD SIDE A MAIN BOARD SIDE B TP3 TP5 TP6 TP7 TP8 TP9 TP10 TP4 TP1 TP2 CV1 4 TUNE DRY BATTERY SIZE AAA IEC DESIGNATION R03 1PC 1 5V 11 11 1 682 982 11 11 1 682 982 5 2 PRINTED WIRING BOARDS Ref No Location r Semiconductor Location IC1 E 6 IC2 B 6 IC3 D 7 Q1 E 7 Note X parts extracted from the component side b Pattern from the side which enables see...

Page 8: ... OUT 1 POWER GND OUT 2 VCC POWER SWITCH IN 1 IN 2 REF REF GND POWER AMP IC3 IC1 VCC GND IN 1 IN 2 HP 1 HP 2 LP IN LP GAIN LP OUT OUT 1 OUT 2 DET IN DET IN IC2 MEGA BASS AMP REG FM ST FM MONO AM S1 BAND S1 1 S1 2 S2 2 ON POWER MEGABASS OFF S2 S2 1 FM TRACKING TRACKING AM FREQUENCY COVERAGE FM AM FREQUENCY COVERAGE FM 2ND OSC VCO L4 TUNE CV1 4 CT3 L5 CT1 L6 CT4 L3 L2 CT2 L1 RV1 DRY BATTERY REF CXA11...

Page 9: ...LECT 1 2 COUNTER FM AM SELECT M ST SW ST IND FM TV 30 29 25 24 23 26 28 27 22 20 3 4 5 7 9 10 11 12 13 14 15 16 17 18 19 21 FM AM FM TV 38KHz 0 π 2 FM TV FM AM 19KHz π 2 19KHz 0 38KHz FM IN TV IN NC FM RF GAIN ADJ OL AGC 2ND OSC AM OSC TUN IND PLL1 PLL2 VCO OSC VCO CONT R OUT L OUT ST IND PD2 PD1 MPX IN DET OUT MUTE AGC2 NC FM IF NC TV OSC FM OSC AGC1 AM IN NC 1 2 3 4 5 10 9 8 7 6 POWER SWITCH BIA...

Page 10: ... 181 01 TERMINAL BATTERY 5 3 238 306 01 WASHER 6 3 919 915 02 KNOB TUNING 7 3 919 918 01 GEAR MIDWAY 8 3 919 919 01 GEAR TUNING CAPACITOR 9 3 236 177 01 KNOB BAND 10 3 919 920 02 ADAPTOR 11 3 880 990 00 SCREW 1 7X3 FLAT SPECIAL Ref No Part No Description Remark Ref No Part No Description Remark Abbreviation AUS Australian CH Chinese TW Taiwan Color Indication of Appearance Parts Example KNOB BALAN...

Page 11: ...22 1 126 157 11 ELECT 10uF 20 16V C23 1 115 156 11 CERAMIC CHIP 1uF 10V C24 1 113 619 11 CERAMIC CHIP 0 47uF 10V C25 1 113 619 11 CERAMIC CHIP 0 47uF 10V C26 1 164 361 11 CERAMIC CHIP 0 047uF 16V C27 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C28 1 164 156 11 CERAMIC CHIP 0 1uF 25V C29 1 104 942 11 ELECT 1uF 20 50V C30 1 104 942 11 ELECT 1uF 20 50V C31 1 126 157 11 ELECT 10uF 20 16V C32 1 124 584 00...

Page 12: ...HIP 100K 5 1 16W R10 1 216 845 11 METAL CHIP 100K 5 1 16W R11 1 216 821 11 METAL CHIP 1K 5 1 16W R15 1 216 864 11 METAL CHIP 0 5 1 16W R16 1 216 864 11 METAL CHIP 0 5 1 16W SWITCH S1 1 554 843 11 SWITCH SLIDE BAND S2 1 554 843 11 SWITCH SLIDE POWER VALIABLE RESISTOR VR1 1 241 948 11 RES VAR CARBON10K 10K VOLUMEw ACCESSORIES 3 237 589 11 MANUAL INSTRUCTION ENGLISH FRENCH GERMAN SPANISH DUTCH SWEDIS...

Page 13: ...SRF S84 13 ...

Page 14: ...cking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2002 02 New SRF S84 ...

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