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Sherwood RX-4109B/B, Service Manual

The Sherwood RX-4109B/B is a high-quality stereo receiver that enhances your audio experience. With its impressive features and superb performance, this receiver guarantees excellent sound reproduction. Looking for the user manual? Look no further! Download the free Service Manual at manualshive.com and unlock the full potential of your Sherwood RX-4109B/B.

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 REF No.

Q'TY

PARTS No.

DESCRIPTION

 RLY501

RELAY, DC9V 250V/5A

1

G680090102010S

 FPC101

CN.FPC 1.25MM (17P)

1

L131111700010S

 FUSE101

FUSE, T6.3A/250V

1

N751226301110S

 GT4-GT6

TERMINAL

3

3790040886000S

 J100-J106

CN,WIRE 1P

7

L045084006040S

 J108-J112

CN,WIRE 1P

5

L045084006040S

 J115-J125

CN,WIRE 1P

11

L045084006040S

 J127-J146

CN,WIRE 1P

20

L045084006040S

 J165-J168

CN,WIRE 1P

4

L045084006040S

 J170-J173

CN,WIRE 1P

4

L045084006040S

 J177

CN,WIRE 1P

1

L045084006040S

 J180

CN,WIRE 1P

1

L045084006040S

 J184

CN,WIRE 1P

1

L045084006040S

 J191

CN,WIRE 1P

1

L045084006040S

 J193

CN,WIRE 1P

1

L045084006040S

 J198-J225

CN,WIRE 1P

28

L045084006040S

 J227-J234

CN,WIRE 1P

8

L045084006040S

 J244/J245

CN,WIRE 1P

2

L045084006040S

 J247-J270

CN,WIRE 1P

24

L045084006040S

 J272-J285

CN,WIRE 1P

14

L045084006040S

 J287

CN,WIRE 1P

1

L045084006040S

 J289/J290

CN,WIRE 1P

2

L045084006040S

 J292-J297

CN,WIRE 1P

6

L045084006040S

 J300-J302

CN,WIRE 1P

3

L045084006040S

 J304/J305

CN,WIRE 1P

2

L045084006040S

 J307-J311

CN,WIRE 1P

5

L045084006040S

 J314-J316

CN,WIRE 1P

3

L045084006040S

 J318A

CN,WIRE 1P

1

L045084006040S

 J319

CN,WIRE 1P

1

L045084006040S

 J321-J323

CN,WIRE 1P

3

L045084006040S

 J324A

CN,WIRE 1P

1

L045084006040S

 J325/J326

CN,WIRE 1P

2

L045084006040S

 J333-J341

CN,WIRE 1P

9

L045084006040S

 J348/J349

CN,WIRE 1P

2

L045084006040S

 J351-J367

CN,WIRE 1P

17

L045084006040S

 J370

CN,WIRE 1P

1

L045084006040S

 J371

CHIP THICK

0 ohm

1/16W

J

1

C20000006M160S

 J372-J377

CN,WIRE 1P

6

L045084006040S

 J378

CHIP THICK

0 ohm

1/16W

J

1

C20000006M160S

 J500

CN,WIRE 1P

1

L045084006040S

 JACK101

TER,RCA 6PIN

1

G603603BG105YS

 JACK102

TER,RCA 4PIN

1

G602405BEG04YS

 JACK104

TER,BOARD SCREW 8P

1

G614108V1020MS

 L301L/R

INDUCTOR COIL, 0.5UH

2

D330R50000000S

 P101-P104

HOLDER, PI5.2-REEL

4

G645000050010S

 PACK401

TUNER, FM/AM

1

E903000000010S

 T502

POWER TRANS, 120V/60Hz

1

8200280150250S

HEAT SINK, REG TR(24X45)

1

2120044298010S

SCREW, +2S 3*8 B-TYPE ZNW/BH

1

B020030081B10S

 PCB1-1

ASSEMBLY P.C.BOARD HEAD PHONE

 C317L/R

CERAMIC CHIP HIK

1000 pF

50V

K

2

D011102777160S

 C330

CERAMIC CHIP HIK

0.022 uF

25V

K

1

D011223777160S

 CN301

CN,WIRE 250MM (4P)

1

L000251040100S

 GW2

RING,TER WIRE 120MM (1P)

1

8410121010020S

 JACK301

JACK,D6.5

1

G402040161330S

 R344L/R

CHIP THICK

10 ohm

1/16W

J

2

C20001006M160S

5/7Page

Summary of Contents for RX-4109B/B

Page 1: ......

Page 2: ...BLOCK DIAGRAM Model RX 4109B B ...

Page 3: ...WIRING DIAGRAM Model RX 4109B B PCB1 MAIN PCB2 FRONT PCB2 1 POWER S W PCB1 1 H P PCB2 2 SPK A B PCB1 4 PHONO TUNER ASS Y ...

Page 4: ...ND REMOCON Avref P_CHECK FLT PLL CLK RESET PLL_DI FLMDO FLT PLL DA_OUT VREC FUNC_DA TREC FUNC_CLK REGC FLT_CE GND PLL_CE VDD FUNC_CE NC ST BY_RLY FLT B TUNED NC L_MUTE ST BY_LED CIRCUIT DESCRIPTION 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ...

Page 5: ......

Page 6: ...itance for internal operation 11 GND GND 12 VDD 5V power supply I 13 NC 14 Tuned Input for detecting TUNED condition Tuned signal in Low Tuned OK I 15 L MUTE Output for Front L R MUTE O 16 ST BY LED Output to drive standby LED O 17 NC open 18 FLT B ST_BY RLY Output for power relay FLT ON OFF Output for power relay FLT ON OFF O 19 LC75343_CE Output for chip enable of LC75343 IC O 20 PLL_CE Tuner PL...

Page 7: ...Level 3 Adjust Point 98 1 60 75 ohm unbalance 40 FM 47 Load 98 1 60 MW 47kΩ kΩ Load 999 74 30 180 60 280 100 mV 25 6 dBu 1 3 1 4 No 9 5uH 1kHz S0160BL 25 12 0 5V Above the receiving Frequency M W F M 522 1620kHz 87 5 108 0MHz ITEMS SPECIFICATION 1 1 kHz dBu TEST CONDITION T P 1 5 Adjustment 1 2 SVR01 UNIT Specification No Non Adjust 98 1 TEST ITEMS MOD T L dBu 999 SVR02 Non Adjust 30 55 15 25 min ...

Page 8: ...ion terminal check I C301 Pin No 1 Bump Sound A POWER MUTE transistor s out and inferior Q 315 314L R During Input Select Switch s change µ Com Front Mute Control PORT check IC301 Pin No 15 Sounds from Speaker A HEADPHONE JACK connection inferior JACK 301 when Headphone s connected B DRIVER I C inferior 1 µ Com H P IN OUT control PORT check IC400 Pin No 3 Bass Control Failure A TONE VOLUME IC chec...

Page 9: ... Clock Pin 5 6 7 8 9 C STEREO adjustment inferior D FM MUTE adjustment inferior AM Failure A AM V T voltage inferior AM OSC BLACK COIL B TUNER PACK check PACK401 MAIN 1 TUNER PACK 12V check Pin 4 2 PLL control data check DATA CE Clock Pin 5 6 7 8 9 C TUNER B voltage inferior D AM OSC COIL inferior E u COM IC IC301 MAIN 1 u COM IC 5V check I C Pin No 12 2 u COM control DATA check I C Pin No 20 24 2...

Page 10: ...RE FM 1 E605010070001S BATTERY AAA 2 G670001R50210S CABINET CHASSIS A SW ENCODER 1 G121123070010S B SW TACT 1 G180000270010S C WINDOW DISPLAY 1 K530121300010S D JACK D6 5 1 G402040161330S E STOPPER 1 4380040162010S F CORD ASS Y 1 L068125100020S G MODULE NJL34H380A 38KHz 1 E940343800010S H KTD1510 NPN 2 J503151000020S I 2SD947F NPN 2 J503947F00000S J KTB2510 PNP 2 J501251000010S K TER BOARD SCREW 8...

Page 11: ...BACK 1 3207210866D00S 14 CABINET COVER TOP 1 3007041236060S 15 FOOT GOLD H STAMPING ASSY 2 4007040201040S 16 FOOT PL 2 4000040201010S 17 HOLDER FL PC HK 3250 1 432004078301AS 18 SPACER KNOB 6 4300040561010S 19 HEAT SINK POWER 1 2120200088020S 20 HEAT SINK REG TR 24X45 2 2120044298010S 21 FELT BLACK STRIP 2 2690040057010S SCREWS S1 SCREW 2S 3 8 B TYPE ZNW BH 33 B020030081B10S S2 SCREW 2S 3 8 ZnY WA...

Page 12: ...EXPLODED VIEW Model RX 4109B B ...

Page 13: ...100 pF 50V K 4 D010101167160S C304L R CERAMIC HIK DISC 220 pF 50V J 2 D00422106D05CS C305L R CERAMIC T C DISC 33 pF 500V J 2 D00033006D050S C306L R ELECT GE 85C 100 uF 500V M 2 D040101082090S C308L R CERAMIC HIK AXIAL 0 001 uF 50V K 2 D005102177530S C309L R ELECT GE 85C 47 uF 10V M 2 D040470087070S C310 CERAMIC CHIP HIK 0 022 uF 50V Z 1 D011223597160S C310L R ELECT GE 85C 10 uF 10V M 2 D0401000870...

Page 14: ...7 92MM 1 L108353280360S CP501A CN WAFER 2 5MM 3P 1 L102526700300S CP502 CN WAFER 7 92MM 1 L108353280290S CP503 CN WAFER 7 92MM 1 L108202000220S DIODES D101 D103 1SS133T SWITCHING 3 K000013300520S D111 D112 KDS4148U SWITCHING CHIP 2 K005041480030S D114 KDS4148U SWITCHING CHIP 1 K005041480030S D301L R 1SS133T SWITCHING 2 K000013300520S D302 D305 1SS133T SWITCHING 4 K000013300520S D307 1SS133T SWITCH...

Page 15: ...114R CHIP THICK 3 3 kohm 1 16W J 1 C20003326M160S R115L R CHIP THICK 220 ohm 1 16W J 2 C20002216M160S R116L R CHIP THICK 10 kohm 1 16W J 2 C20001036M160S R119L CHIP THICK 3 3 kohm 1 16W J 1 C20003326M160S R119R CARBON FILM 3 3 kohm 1 5W J 1 C00003326P520S R121L R CHIP THICK 7 5 kohm 1 16W J 2 C20007526M160S R201 CARBON FILM 4 7 kohm 1 5W J 1 C00004726P520S R202 CARBON FILM 3 3 kohm 1 5W J 1 C00003...

Page 16: ...0001526P520S R365 CHIP THICK 100 kohm 1 16W J 1 C20001046M160S R366 CHIP THICK 1 kohm 1 16W J 1 C20001026M160S R367 CHIP THICK 10 kohm 1 16W J 1 C20001036M160S R368 CHIP THICK 3 3 kohm 1 16W J 1 C20003326M160S R369 CHIP THICK 100 kohm 1 16W J 1 C20001046M160S R370 CARBON FILM 4 7 kohm 1 5W J 1 C00004726P520S R452 R453 CHIP THICK 10 kohm 1 16W J 2 C20001036M160S R454 CHIP THICK 47 kohm 1 16W J 1 C2...

Page 17: ...N WIRE 1P 3 L045084006040S J318A CN WIRE 1P 1 L045084006040S J319 CN WIRE 1P 1 L045084006040S J321 J323 CN WIRE 1P 3 L045084006040S J324A CN WIRE 1P 1 L045084006040S J325 J326 CN WIRE 1P 2 L045084006040S J333 J341 CN WIRE 1P 9 L045084006040S J348 J349 CN WIRE 1P 2 L045084006040S J351 J367 CN WIRE 1P 17 L045084006040S J370 CN WIRE 1P 1 L045084006040S J371 CHIP THICK 0 ohm 1 16W J 1 C20000006M160S J...

Page 18: ...HICK 91 kohm 1 16W J 2 C20009136M160S R703L R CHIP THICK 680 ohm 1 16W J 2 C20006816M160S R704L R CHIP THICK 560 kohm 1 16W J 2 C20005646M160S R705L R CHIP THICK 43 kohm 1 16W J 2 C20004336M160S R706L R CHIP THICK 560 ohm 1 16W J 2 C20005616M160S R707L R CHIP THICK 100 kohm 1 16W J 2 C20001046M160S R708L R CARBON FILM 100 ohm 1 5W J 2 C00001016P520S PCB1 5 ASSEMBLY P C BOARD CNT CP901 CN WAFER 2 0...

Page 19: ... R441 CHIP THICK 3 3 kohm 1 16W J 1 C20003326M160S R442 CHIP THICK 8 2 kohm 1 16W J 1 C20008226M160S R443 CHIP THICK 2 2 kohm 1 16W J 1 C20002226M160S R444 CHIP THICK 4 7 kohm 1 16W J 1 C20004726M160S R445 CHIP THICK 1 5 kohm 1 16W J 1 C20001526M160S R446 R447 CHIP THICK 4 7 kohm 1 16W J 2 C20004726M160S R448 CHIP THICK 1 kohm 1 16W J 1 C20001026M160S R449 CHIP THICK 3 3 kohm 1 16W J 1 C20003326M1...

Page 20: ...K RLY B FL B S W FLT DATA PLL CE PLL_CLK TUNED R OUT GND PLL_DI PLL_DO 12V GND L OUT H P RLY RMC VOL DN KEY1 5V6 GND 1 EXCLK 2 FLMDO 3 VOD 4 VSS 5 RST 6 TXD 7 RXD 8 P31 9 P32 SPK RLY A ST BY LED SCHEMATIC DIAGRAMS 1 PCB1 MAIN PCB1 4 PHONO ...

Page 21: ...H P RLY RMC VOL UP ST BY LED KEY1 5V6 GND SPK RLY A FL B S W VOL DN FLT DATA FLT CLK FLT CE KEY2 GND 30V SPK RLY B SCHEMATIC DIAGRAMS 2 Model RX 4109B B PCB2 2 SPK A B PCB2 1 POWER S W PCB2 FRONT ...

Page 22: ...43 SCHEMATIC DIAGRAMS 3 TUNER ASS Y Model RX 4109B B ...

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