Sony SRF-18 Service Manual Download Page 14

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SRF-18

SECTION 5

ELECTRICAL PARTS LIST

A-1861-503-A MAIN BOARD, COMPLETE

********************

3-252-825-01 SCREW

(1.7)

3-254-148-01 SCREW

(M1.7)

4-294-731-02 HOLDER

(FERRITE-ROD

ANTENNA)

4-294-735-01 GEAR

(VC)

< BAND PASS FILTER >

BPF101 1-236-711-21 FILTER, BAND PASS

< CAPACITOR >

C102 1-162-915-11 CERAMIC

CHIP 10PF

0.5PF 50V

C103 1-162-915-11 CERAMIC

CHIP 10PF

0.5PF 50V

C104 1-126-794-11 ELECT

4.7uF

20% 50V

C105 1-162-927-11 CERAMIC

CHIP 100PF 5% 50V

C106 1-162-907-11 CERAMIC

CHIP 2PF

0.25PF 50V

C108 1-112-514-91 CERAMIC

CHIP 1500PF 5% 50V

C109 1-115-156-11 CERAMIC

CHIP 1uF

10V

C110 1-127-715-11 CERAMIC

CHIP 0.22uF 10% 16V

C111 1-115-156-11 CERAMIC

CHIP 1uF

10V

C112 1-114-371-91 CERAMIC

CHIP 0.0047uF 5% 50V

C113 1-127-715-11 CERAMIC

CHIP 0.22uF 10% 16V

C114 1-164-245-11 CERAMIC

CHIP 0.015uF 10% 25V

C115 1-162-964-11 CERAMIC

CHIP 0.001uF 10% 50V

C116 1-164-245-11 CERAMIC

CHIP 0.015uF 10% 25V

C117 1-162-964-11 CERAMIC

CHIP 0.001uF 10% 50V

C120 1-115-156-11 CERAMIC

CHIP 1uF

10V

C123 1-164-230-11 CERAMIC

CHIP 220PF 5% 50V

C124 1-162-923-11 CERAMIC

CHIP 47PF

5% 50V

C125 1-126-382-11 ELECT

100uF 20% 16V

C126 1-115-156-11 CERAMIC

CHIP 1uF

10V

C127 1-115-156-11 CERAMIC

CHIP 1uF

10V

C128 1-124-239-00 ELECT

6.8uF

20% 10V

C129 1-115-156-11 CERAMIC

CHIP 1uF

10V

C132 1-115-156-11 CERAMIC

CHIP 1uF

10V

C133 1-115-156-11 CERAMIC

CHIP 1uF

10V

C134 1-164-230-11 CERAMIC

CHIP 220PF 5% 50V

C135 1-162-964-11 CERAMIC

CHIP 0.001uF 10% 50V

C136 1-162-970-11 CERAMIC

CHIP 0.01uF 10% 25V

C139 1-162-919-11 CERAMIC

CHIP 22PF

5% 50V

C142 1-164-230-11 CERAMIC

CHIP 220PF 5% 50V

C201 1-126-514-11 ELECT

22uF

20% 16V

C202 1-115-156-11 CERAMIC

CHIP 1uF

10V

C203 1-126-514-11 ELECT

22uF

20% 16V

C204 1-115-156-11 CERAMIC

CHIP 1uF

10V

C205 1-115-156-11 CERAMIC

CHIP 1uF

10V

C206 1-128-110-11 ELECT

470uF 20% 4V

C207 1-115-156-11 CERAMIC

CHIP 1uF

10V

C209 1-126-514-11 ELECT

22uF

20% 16V

C231 1-115-156-11 CERAMIC

CHIP 1uF

10V

C232 1-115-156-11 CERAMIC

CHIP 1uF

10V

C235 1-115-156-11 CERAMIC

CHIP 1uF

10V

C237 1-165-908-11 CERAMIC

CHIP 1uF

10% 10V

C238 1-115-156-11 CERAMIC

CHIP 1uF

10V

C239 1-126-781-11 ELECT

220uF 20% 4V

C251 1-115-156-11 CERAMIC

CHIP 1uF

10V

C252 1-115-156-11 CERAMIC

CHIP 1uF

10V

C255 1-115-156-11 CERAMIC

CHIP 1uF

10V

C257 1-165-908-11 CERAMIC

CHIP 1uF

10% 10V

C258 1-115-156-11 CERAMIC

CHIP 1uF

10V

C259 1-126-781-11 ELECT

220uF 20% 4V

C301 1-126-514-11 ELECT

22uF

20% 16V

C302 1-162-970-11 CERAMIC

CHIP 0.01uF 10% 25V

C331 1-115-156-11 CERAMIC

CHIP 1uF

10V

C333 1-115-156-11 CERAMIC

CHIP 1uF

10V

C351 1-115-156-11 CERAMIC

CHIP 1uF

10V

C353 1-115-156-11 CERAMIC

CHIP 1uF

10V

C401 1-126-514-11 ELECT

22uF

20% 16V

C402 1-162-970-11 CERAMIC

CHIP 0.01uF 10% 25V

C431 1-162-968-11 CERAMIC

CHIP 0.0047uF 10% 50V

C433 1-115-156-11 CERAMIC

CHIP 1uF

10V

C435 1-115-156-11 CERAMIC

CHIP 1uF

10V

C451 1-162-968-11 CERAMIC

CHIP 0.0047uF 10% 50V

C453 1-115-156-11 CERAMIC

CHIP 1uF

10V

C455 1-115-156-11 CERAMIC

CHIP 1uF

10V

< VARIABLE CAPACITOR >

CT101 1-141-709-11 CAP,

VAR

CV101

1-141-709-11 CAP, VAR (TUNING)

< DIODE >

D101

6-501-579-01 DIODE MC2837

D102

6-501-544-01 LED L-1154HD (TUNE)

D501

6-501-582-01 DIODE 1N4002-B5

< IC >

IC101

8-753-356-41 IC CXA1129N-T4

IC201

8-752-065-32 IC CXA1522N

< JACK >

J201 1-815-325-11 JACK

(

)

J301

1-563-857-91 JACK, HEADPHONE (AUDIO OUT)

J401

1-563-857-91 JACK, HEADPHONE (AUDIO IN)

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

MAIN

When indicating parts by reference num-
ber, please include the board name.

Note:

• Due to standardization, replacements in

the parts list may be different from the
parts speci

ed in the diagrams or the com-

ponents used on the set.

• -XX and -X mean standardized parts, so

they may have some difference from the
original one.

• Items marked “

” are not stocked since

they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.

• RESISTORS
All resistors are in ohms.
METAL:

Metal-

lm resistor.

METAL OXIDE: Metal oxide-

lm resistor.

non

ammable

• CAPACITORS
uF:

• COILS
uH:

• SEMICONDUCTORS
In each case, u:

, for example:

uA.

. :

A. . , uPA. . ,

PA. . ,

uPB.

PB. . , uPC. . ,

PC. . ,

uPD.

PD. .

Summary of Contents for SRF-18

Page 1: ...Copyrights WALKMAN and WALKMAN logo are registered trademarks of Sony Corporation 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 UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free mark LF indicating the solder contains no lead Caution Some printed circuit bo...

Page 2: ...ON 1 DISASSEMBLY This set can be disassembled in the order shown below 1 1 DISASSEMBLY FLOW 1 2 FRONT CABINET BLOCK Page 3 1 3 MAIN BOARD BLOCK Page 4 SET 1 4 MAIN BOARD Page 5 1 5 KNOB TUNE Page 6 1 6 GEAR VC Page 6 ...

Page 3: ... 402 33 Tool for Disassembly 3 Insert the jig in the space between the cabinet front assy and the cabinet rear assy and remove 4 three claws 4 claw 4 three claws 6 adhesive sheet Front top view Front top view 5 Remove all claws while rounding in outer 7 Lift up the cabinet front assy in the direction of an arrow 4 three claws 8 Remove two solders brown orange red blue speaker 3 6 cm speaker 3 6 cm...

Page 4: ... 3 Peel off the transparent plate from adhesive sheet 3 Peel off the transparent plate from adhesive sheet 7 Remove the battery terminal in the direction of an arrow 0 Lift up the MAIN board block in the direction of an arrow knob power switch S501 Note When installing the knob power the position of switch S501 and claw of knob power is set and installed Note When installing the transparent plate ...

Page 5: ...nter convex part convex part chassis block chassis block Knob tune is turned until it stops in the direction of an arrow ditch ditch 6 chassis block 8 screw 1 7 5 screw 1 7 1 two claws 4 screw B 1 4 u 6 7 Remove the solder 3RLQWHU LQVWDOODWLRQ OK NG guide line guide line pointer pointer ...

Page 6: ...ion of an arrow 2 Washer is moved in the direction of an arrow with tweezers 2 gear midway chassis block 1 6 GEAR VC 3 MAIN board 2 gear VC boss gear VC CV101 axis HDU VHWWLQJ 1 Boss of a gear VC checks that it is in a position as shown in a figure and attaches to the axis of CV101 2 Gear VC is turned until it stops in the direction of an arrow 1 screw M1 7 Note Tightening torque 0 07 0 005 N m ...

Page 7: ...CY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L103 520 kHz CT101 4 1750 kHz AM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L105 620 kHz CT101 3 1400 kHz FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L106 86 5 MHz CT101 1 109 5 MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L101 86 5 MHz CT101 2 109 5 MH...

Page 8: ...ted from the conductor side W Indicates side identified with part number Pattern from the side which enables seeing The other layers patterns are not indicated IC Block Diagrams MAIN Board IC101 CXA1129N T4 1 2 6 8 FM TV RF AMP FM TV MIX FM TV 1ST LOCAL OSC AFC AM RF AMP OVER LOAD AGC MIX 1 MIX 2 PSN 1 PSN 2 AGC AF AMP LPF DETUNE DET FM LPF AM BPF LOCAL OSC 1 2 COUNTER FM TV SELECT FM DISCRI FM LI...

Page 9: ...34 C333 R335 TH501 D101 Q431 Q451 Q251 Q231 Q331 Q351 JW112 JW202 JW502 JW501 JW101 JW503 L106 L101 JW106 JW108 JW107 L102 C125 C128 C401 JW102 JW103 C104 JW109 JW110 JW111 C209 C203 JW105 JW104 JW303 JW302 JW301 JW201 R101 SL101 C259 C239 C206 L201 JW304 C301 W201 W203 RV201 S501 J401 J301 CT101 CV101 D102 W101 W202W204 1 885 271 12 12 MAIN BOARD A A K K E C B E C B E C B E C B E C B E C B AM FM ...

Page 10: ...2 2 R107 100 R401 0 015 C114 33k R131 JW111 JW112 33k R151 1000p C115 0 015 C116 1000p C117 RCH RCH GND GND GND GND HPL SPL HPR SPR GND LOUT ROUT LCH RCH LCH GND LCH 220k R451 220k R452 220k R431 220k R432 100k R435 DSC500100L Q431 L_IN GND R_IN AUDIO IN J401 4700p C431 4700p C451 0 01 C402 10 R436 10 R456 2 2k R434 2 2k R454 1 C453 1 C433 100k R455 DSC500100L Q451 1 C455 1 C435 22 C401 10V OFF AU...

Page 11: ...4 294 732 21 KNOB BAND for PINK SP1 X 2584 348 1 CABINET FRONT SUB ASSY Including SPEAKER 3 6 cm for BLACK SP1 X 2584 349 1 CABINET FRONT SUB ASSY Including SPEAKER 3 6 cm for WHITE SP1 X 2584 350 1 CABINET FRONT SUB ASSY Including SPEAKER 3 6 cm for PINK Ref No Part No Description Remark Ref No Part No Description Remark Note XX and X mean standardized parts so they may have some difference from ...

Page 12: ... 4 294 731 02 HOLDER FERRITE ROD ANTENNA 59 3 318 201 61 SCREW B 1 4X6 TAPPING 60 3 252 825 01 SCREW 1 7 61 4 294 742 01 TERMINAL BATTERY 62 4 294 738 01 HOLDER DC for BLACK 62 4 294 738 11 HOLDER DC for WHITE 62 4 294 738 21 HOLDER DC for PINK 63 3 254 148 01 SCREW M1 7 64 4 294 735 01 GEAR VC D102 6 501 544 01 LED L 1154HD TUNE L105 1 460 469 11 BAR ANTENNA COIL AM Ref No Part No Description Rem...

Page 13: ...PINK 104 4 294 728 01 LID BATTERY CASE for BLACK 104 4 294 728 11 LID BATTERY CASE for WHITE 104 4 294 728 21 LID BATTERY CASE for PINK 105 2 596 904 01 CUSHION LEVER 106 3 245 709 11 SCREW for BLACK 106 3 245 709 31 SCREW for WHITE PINK ANT1 1 501 247 61 ANTENNA TELESCOPIC FM 1 7 623 507 01 LUG 2 6 Ref No Part No Description Remark Ref No Part No Description Remark 102 106 101 103 102 104 105 ANT...

Page 14: ...P 1uF 10V C235 1 115 156 11 CERAMIC CHIP 1uF 10V C237 1 165 908 11 CERAMIC CHIP 1uF 10 10V C238 1 115 156 11 CERAMIC CHIP 1uF 10V C239 1 126 781 11 ELECT 220uF 20 4V C251 1 115 156 11 CERAMIC CHIP 1uF 10V C252 1 115 156 11 CERAMIC CHIP 1uF 10V C255 1 115 156 11 CERAMIC CHIP 1uF 10V C257 1 165 908 11 CERAMIC CHIP 1uF 10 10V C258 1 115 156 11 CERAMIC CHIP 1uF 10V C259 1 126 781 11 ELECT 220uF 20 4V ...

Page 15: ...AL CHIP 47 5 1 10W R252 1 216 841 11 METAL CHIP 47K 5 1 10W R253 1 216 825 11 METAL CHIP 2 2K 5 1 10W R254 1 216 811 11 METAL CHIP 150 5 1 10W R255 1 216 864 11 SHORT CHIP 0 R301 1 216 809 11 METAL CHIP 100 5 1 10W R302 1 216 864 11 SHORT CHIP 0 R331 1 216 835 11 METAL CHIP 15K 5 1 10W R332 1 216 825 11 METAL CHIP 2 2K 5 1 10W R333 1 216 843 11 METAL CHIP 68K 5 1 10W R334 1 216 801 11 METAL CHIP 2...

Page 16: ...e revised page Also clicking the version at the top of the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2012 02 New 1 1 2012 03 Addition of Mexican and Taiwan models Change of Part No for L103 L104 on MAIN board SMR 11066 ...

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