Sherwood AX4103 Schematic

SERVICE MANUAL

STEREO INTEGRATED AMPLIFIER

■

BLOCK DIAGRAM

SCHEMATIC DIAGRAM

AX4103

CONTENTS

SPECIFICATION

WIRING DIAGRAM

TROUBLESHOOTING

MECHANICAL PARTS LIST

EXPLODED VIEW

ELECTRICAL PARTS LIST

★ MECHANICAL PARTS LIST (AX4103)

♣ Parts without Parts NO are not supplied.

Parts without version mentioned are common ones.

DESCRIPTION

NO. Q'TY PARTS NO.

PACKAGE

INSTRUCTION MANUAL 5707210550010
WARRANTY CARD 5727041620020
BOX, INNER CARTON 6017040120570
CUSHION, SNOW 6230043714010
FILM SOFT PE 6320040052010
POLY BAG, 330*240*0.05 6330040062010
REMOCON 8300102000010
BATTERY, DRY G670011R50000

CABINET & CHASSIS

1 PANEL, FRONT 1 3067210721020
2 DECORATION, COVER 1 5127210201000
3 WINDOW, DISPLAY 1 5077210753000
4 BUTTON, 4-KEY 1 5090211461000
5 BUTTON, 3-KEY 2 5090211441000
7 BUTTON, SPKR 1 5090211451000
8 BADGE, SHERWOOD 1 5637210031010

9 INDICATOR, GUIDE LED 1 5160041003010
10 KNOB, VOLUME 1 5080210281000
11 CHASSIS, MAIN 1 3200200026010
12 CHASSIS, BACK 1 3207210866200
13 CABINET, TOP 1 3007041236060
14 FOOT PL (H.S) 2 4007040201010
15 FOOT PL 2 4000040201010
16 CUSHION 1 4050044565010
17 SPACER, KNOB 6 4300040561010
21 BUTTON, POWER PUSH 1 5090211571000

A SW, ENCODER (EC16B24304) 1 G121162430400

B SW, TACT (SKQNAF) 17 G180000210030

C DISPLAY, FLT 1 K530073800010
D JACK, D6.5 1 G402040161330
E STOPPER CORD 1 4380040162010
F CORD ASS'Y 1 L06804009001C
G REMOCON MODULE, NJL64H380A 1 E940643800000
H 2SD2390-Y, NPN 2 J5032390Y0000

I 2SD947F, NPN 2 J503947F00000

J 2SB1560-Y, PNP 2 J5011560Y0000

K TER.BOARD PUSH 8P 1 G598041680010

L TER.RCA 6PIN 2 G603060046020

N POWER TRANS, 230V/50Hz 1 8200740530010
O CABLE,FLAT CARD 1 L301181270010
P POWER SOCKET 1 G435040110000
Q TER.RCA 2PIN 1 G601200430040
S POSISTOR 1 F320101020010
T SW, POWER PUSH 1 G000122006030

SCREWS

S1 SCREW, +2S 3*8 B-TYPE ZNY/BH 35 B020030081B10
S2 SCREW, +2S 3*8 B-TYPE BK/BH 12 B020030083B10
S3 SCREW, +2S 3*10 B-TYPE(DOT) BK/BH 8 B020030103B11
S4 SCREW, 3X18 B-TYPE ZNY/BH 6 B020030181B10
S5 SCREW, +3S 4*10 P+S-WASHER ZNY/BH 4 B028940101B10
S6 SCREW, +3S 4*8 BK/BH 4 B020940083B10
S7 SCREW, 3X18 B-TYPE ZNY/BH 6 B020030181B10
S8 SCREW, +2S 3*8 B-TYPE ZNY/BH 1 B020030081B10

★ ELECTRICAL PARTS LIST (AX4103)

♣ Parts without Parts NO are not supplied.

Parts without version mentioned are common ones.

DESCRIPTION

REF NO. Q'TY PARTS NO.
PCB1 ASSEMBLY P.C.BOARD MAIN 7025HA0101010

CAPACITORS

C101L/R CERAMIC HIK AXIAL 220 pF 50V K 2 D005221277520
C102 CERAMIC HIK AXIAL 0.047 uF 50V K 1 D005473597520
C102L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C103L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C104L/R CERAMIC HIK AXIAL 220 pF 50V K 2 D005221277520
C105L/R CERAMIC HIK AXIAL 220 pF 50V K 2 D005221277520
C106L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C107L/R CERAMIC HIK AXIAL 220 pF 50V K 2 D005221277520
C108L/R CERAMIC HIK AXIAL 220 pF 50V K 2 D005221277520
C109L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C110L/R CERAMIC HIK AXIAL 220 pF 50V K 2 D005221277520
C111L/R CERAMIC HIK AXIAL 220 pF 50V K 2 D005221277520
C113L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C114L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C115L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C116 ELECT GE 85C 22 uF 16V M
C117L/R FILM POLYESTER 0.0027 uF 100V J 2 D02027206C060
C118L/R FILM POLYESTER 0.1 uF 63V K 2 D020104078060
C119L/R FILM POLYESTER 0.1 uF 63V K 2 D020104078060
C120 CERAMIC HIK AXIAL 0.1 uF 50V Z 1 D005104597530
C121 ELECT GE 85C 22 uF 16V M 1 D040220083070
C122/C123 CERAMIC HIK AXIAL 100 pF 50V K 2 D005101177520
C122L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C201 CERAMIC HIK AXIAL 0.01 uF 16V M 1 D005103773530
C202 CERAMIC HIK AXIAL 0.001 uF 50V K 1 D005102177530
C203 ELECT GE 85C 330 uF 10V M 1 D040331082060
C302L/R ELECT GE 85C 10 uF 35V M 2 D040100085100
C303L/R CERAMIC HIK AXIAL 680 pF 50V K 2 D005681177520
C304L/R CERAMIC HIK DISC 0.0022 uF 1KV K 2 D00422227Q010
C305L/R CERAMIC T.C DISC 33 pF 500V J 2 D00033006D050
C306L/R ELECT GE 85C 100 uF 10V M 2 D040101082060
C308L/R CERAMIC HIK AXIAL 0.001 uF 50V K 2 D005102177530
C309L/R ELECT GE 85C 47 uF
C310L/R ELECT GE 85C 10 uF 50V M 2 D040100087050
C311L/R CERAMIC HIK DISC 100 pF 500V K 2 D00410106D050
C312L/R CERAMIC HIK DISC 100 pF 500V K 2 D00410106D050
C313L/R CERAMIC HIK AXIAL 0.022 uF 25V Z 2 D005223594520
C314L/R FILM POLYESTER 0.047 uF 100V J 2 D02047306C060
C315L/R FILM POLYESTER 0.0047 uF 100V J 2 D02047206C060
C316L/R FILM POLYESTER 0.0047 uF 100V J 2 D02047206C060
C318L/R FILM POLYESTER 0.0047 uF 100V J 2 D02047206C060
C320 ELECT GE 85C 470 uF 10V M 1 D040471082060
C331 ELECT GE 85C 10 uF 50V M 1 D040100087050
C413 CERAMIC HIK AXIAL 0.047 uF 50V K 1 D005473597520
C414 CERAMIC HIK AXIAL 220 pF 50V K 1 D005221277520
C501 CERAMIC HIK AXIAL 0.01 uF 16V M 1 D005103773530
C502 ELECT GE 85C 47 uF 50V M 1 D040470087060

50V M 2 D040470087060

1 D040220083070

3쪽

REF NO. Q'TY PARTS NO.

DESCRIPTION

C505-C508 FILM POLYESTER

0.022 uF 100V J 4

D02022306C060

DE1307-1E472M-KH

C509/C510 ELECT GE 85C 4700 uF 50V M 2 D040472087000
C511 ELECT GE 85C 1 uF 50V M 1 D040010087080
C512 ELECT GE 85C 470 uF 10V M 1 D040471082060
C513 ELECT GE 85C 1 uF 50V M 1 D040010087080
C514 CERAMIC AC(SAFETY) 1 D008472089010
C516 ELECT GE 85C 47 uF 25V M 1 D040470084070
C517 ELECT GE 85C 470 uF 35V M 1 D040471085230
C520-C522 FILM POLYESTER 0.022 uF 100V J 3 D02022306C060
C526 CERAMIC HIK AXIAL 0.01 uF 16V M 1 D005103773530
C527 CERAMIC HIK AXIAL 0.047 uF 50V K 1 D005473597520
C528 ELECT GE 85C 10 uF 50V M 1 D040100087050
C529 ELECT GE 85C 3.3 uF 50V M 1 D0403R3087050
C530 ELECT GE 85C 100 uF 16V M 1 D040101083070
C535 FILM POLYESTER 0.022 uF 100V J 1 D02022306C060
C536 ELECT GE 85C 470 uF 35V M 1 D040471085230
C538-C540 CERAMIC HIK AXIAL 0.1 uF 50V Z 3 D005104597530
C541 CERAMIC HIK AXIAL 0.01 uF 16V M 1 D005103773530
C542 CERAMIC HIK AXIAL
C550 CERAMIC HIK AXIAL 0.1 uF 50V Z 1 D005104597530
C601L/R ELECT GE 85C 4.7 uF 50V M 2 D0404R7087100
C602L/R ELECT GE 85C 22 uF 16V M 2 D040220083070
C603L/R CERAMIC T.C AXIAL 56 pF 50V J 2 D001560067520
C604L/R CERAMIC HIK AXIAL 560 pF 50V K 2 D005561277520

CONNECTORS

CP210 CN.WAFER 2.5MM (2P) 1 L102526700200
CP301 CN.WAFER 2.0MM (4P) 1 L101530140410
CP401 CN.FPC 1.25MM (27P) 1 L131520452745
CP406 CN.WAFER 2.0MM (2P) 1 L101530140210
CP500 CN.WAFER 3.96MM 1 L104353280200
CP501 CN.WAFER 3.96MM 1 L104353280300
CP501A CN.WAFER 2.5MM (3P) 1 L102526700300
CP502 CN.WAFER 3.96MM 1 L104353280200
CP503 CN.WAFER 7.92MM (2P) 1 L108039602010
CP505 CN.WAFER 3.96MM 1 L104353280200
PN101 CN.WAFER 2.0MM (13P) 1 L101353361310

DIODES

D105/D106 1SS133T, SWITCHING 2 K000013300520
D210 1SS133T, SWITCHING 1 K000013300520
D301L/R 1SS133T, SWITCHING 2 K000013300520
D302-D304 1SS133T, SWITCHING 3 K000013300520
D306/D307 1SS133T, SWITCHING 2 K000013300520
D404-D406 1SS133T, SWITCHING 3 K000013300520
D502-D505 IN4007, SWITCHING 4 K000400700520
D514/D515 1SS133T, SWITCHING 2 K000013300520
D516-D519 IN4007, SWITCHING 4 K000400700520
D520 1SS133T, SWITCHING 1 K000013300520
D521-D523 IN4007, SWITCHING
D525-D528 1N5402, RECTIFIER 1N 4 K040540200020
DZ101 MTZJ10B, ZENER 1 K06010R044520
DZ201 MTZJ5.1B, ZENER 1 K06005R144520
DZ210 MTZJ9.1B, ZENER 1 K06009R144520

0.047 uF 50V K 1 D005473597520

3 K000400700520

4쪽

REF NO. Q'TY PARTS NO.

DESCRIPTION

DZ301 MTZJ5.1B, ZENER

1 K06005R144520

R204 CARBON FILM 560 ohm 1/5W J 1 C00005616P520

DZ501 MTZJ15B, ZENER 1 K06015R044520
DZ502 MTZJ4.3B, ZENER 1 K06004R344520
DZ512 MTZJ30B, ZENER 1 K06030R044520

INTEGRATED CIRCUITS

IC101 LC75343M, LINEAR EQ 1 J123753430010
IC501 NJM7805FA, REGULATOR 1 J126780500130
IC502 NJM7815FA, REGULATOR 1 J126781500050
IC601 NJM2068DD, LINEAR OP 1 J121206800000

COILS

L301L/R INDUCTOR COIL, 0.5UH 2 D330R50000000

TRANSISTORS

Q101L/R KTC2874B, NPN 2 J502287400010
Q102/Q103 DTA114YS, PNP 2 J6000114Y0010
Q104L/R KTC2874B, NPN 2 J502287400010
Q201/Q202 KTC3198Y, NPN 2 J5023198Y0000
Q203 KTA1266-GR, PNP 1 J5001266G0060
Q302L/R KSA992F, PNP 2 J5000992F0050
Q303L/R KSA992F, PNP 2 J5000992F0050
Q304L/R KSC1845F, NPN 2 J5021845F0000
Q308L/R KSC1845F, NPN 2 J5021845F0000
Q313 DTC114YS, NPN 1 J6020114Y0050
Q314L/R KTC2874B, NPN 2 J502287400010
Q315 DTC114YS, NPN 1 J6020114Y0050
Q319 DTA114YS, PNP 1 J6000114Y0010
Q320 DTC114YS, NPN 1 J6020114Y0050
Q501 KTA1273Y, PNP 1 J5001273Y0050
Q502 DTC114YS, NPN 1 J6020114Y0050

RESISTORS

R101L/R CARBON FILM 220 ohm 1/5W J 2 C00002216P520
R102L/R CARBON FILM 82 kohm 1/5W J 2 C00008236P520
R103L/R CARBON FILM 220 ohm 1/5W J 2 C00002216P520
R104L/R CARBON FILM 82 kohm 1/5W J 2 C00008236P520
R105L/R CARBON FILM
R106L/R CARBON FILM 82 kohm 1/5W J 2 C00008236P520
R107L/R CARBON FILM 220 ohm 1/5W J 2 C00002216P520
R108L/R CARBON FILM 10 kohm 1/5W J 2 C00001036P520
R109L/R CARBON FILM 2.2 kohm 1/5W J 2 C00002226P520
R110L/R CARBON FILM 220 ohm 1/5W J 2 C00002216P520
R111L/R CARBON FILM 82 kohm 1/5W J 2 C00008236P520
R113L/R CARBON FILM 2.2 kohm 1/5W J 2 C00002226P520
R114L/R CARBON FILM 3.3 kohm 1/5W J 2 C00003326P520
R115L/R CARBON FILM 220 ohm 1/5W J 2 C00002216P520
R116L/R CARBON FILM 10 kohm 1/5W J 2 C00001036P520
R117L/R CARBON FILM 220 ohm 1/5W J 2 C00002216P520
R118L/R CARBON FILM 82 kohm 1/5W J 2 C00008236P520
R119L/R CARBON FILM 3.3 kohm 1/5W J 2 C00003326P520
R121L/R CARBON FILM 7.5 kohm 1/5W J 2 C00007526P520
R122 CARBON FILM 100 ohm 1/5W J 1 C00001016P520
R201 CARBON FILM 4.7 kohm 1/5W J 1 C00004726P520
R202 CARBON FILM 3.3 kohm 1/5W J 1 C00003326P520
R203 CARBON FILM 22 kohm 1/5W J 1 C00002236P520

220 ohm 1/5W J 2 C00002216P520

5쪽