File name Sony-ICFSW55 rec.pdfICF-SW55
SERVICE MANUAL
Ver 1.1 2002.12
US Model Canadian Model AEP Model UK Model E Model Australian Model
LW/MW/SW/FM STEREO PLL SYNTHESIZED RECEIVER
9-956-854-12
2002L0200-1 © 2002.12
Sony Corporation
Personal Audio Company Published by Sony Engineering Corporation
ICF-SW55
SERVICE MANUAL
Ver 1.1 2002.12
US Model Canadian Model AEP Model UK Model E Model Australian Model
SUPPLEMENT - 1
File this Supplement with the Service Manual.
Subject : z CHANGE OF ELECTRICAL PARTS z CHANGE OF MICRO COMPUTER BOARD
9-956-854-81
ICF-SW55
Electrical parts and microcomputer board became changes from the middle of the production.
HOW TO DISTINGUISH A NEW TYPE
It is a new type if the code No. printed on the microcomputer board is 1-640-742-15. · CHANGED ELECTRICAL PART LIST MICRO COMPUTER
Ref.No. C925 IC904 IC905 R1001 R1002 R1003 R1004 RV901 RV902
FORMER TYPE
Part No. Description 50V 1-163-089-00 CERAMIC CHIP 6PF 8-759-551-69 IC M6M80021FP (10pin) 8-759-551-69 IC M6M80021FP (10pin) ________________________________________ ________________________________________ ________________________________________ ________________________________________ 1-241-581-11 1-241-581-11 RES, ADJ, CERMET RES, ADJ, CERMET 100K 100K
NEW TYPE
Part No. Description ________________________________________ 8-759-464-95 IC AK6420AF-E2 (8pin) 8-759-464-95 IC AK6420AF-E2 (8pin) 1-216-091-00 METAL CHIP 56K 1-216-086-00 METAL CHIP 36K 1-216-091-00 METAL CHIP 56K 1-216-086-00 METAL CHIP 36K ________________________________________ ________________________________________
5% 5% 5% 5%
1/10W 1/10W 1/10W 1/10W
2
ICF-SW55
PRINTED WIRING BOARD MICRO COMPUTER SECTION
1 2 3
Last digit : -15
4 5 6 7 8 9 10 11
MICRO COMPUTER BOARD (SIDE A)
C970 R902
MICRO COMPUTER BOARD (SIDE B)
D905 D906
C906 C914
KEY BOARD
1 15
D918 Q902
D901
C971
A
R860
C912 C913
ECB
BCE
R997
Q901
D907
Q916
ECB
R901
C901
R956 R812
R922 R921 R920 R919
40 41
25
R912
24
H902 R913
R907 R911
IT MODEL X901 EA,IT MODEL
2AE2,G,EA,IT MODEL
C915 R908
PL1
H901
B
D904 R959 R957 D903 C929 R958 C928
C910 C927
C916
IC901
C939
R909 R917
EA MODEL R918
64 65 80
1
C917 R904 C902
R945
R905
5 4 8 1
R1004
R914
R942
R941
ECB
Q903 R998
R1002 R906 R1001
321
28 29
15
IC906
14
R961
R916 US,CND,E2 MODEL
IC911
R1003
96
95
IC903
C
42 43 56
1
LCD901
S904 (TEST)
D
S901 (RESET)
E
C969
7
1
IC915
8 7 14 1
R820 R944
D902 R943 R982 C938 R983
IC914
8
14
R841
C950
F
R986 R985
IC904
R950
C963 CN901 1
BCE
4
1
Q912 Q911
C937 R816 C936
BCE
C962 R991
190 D910 R861 C921 C919 C920 D912
1
5
R970
R992
BCE
C961
4
8 BCE Q913 1 R994
D911
Q914
G
SIGNAL BOARD
C960
7
1 41
40
C951 R955
21 20
1 2 3 1 2 3
IC907
S902 TIME SET
A
24 R980
R984
R996
C941
IC905
R988 R971
5
8 8 R993 7
IC912
14 1
IC908
IC902
R972 R966
C934 C964 C935 R979 C933
R995
R967
60
1 61
C924
R990 C905
R977 R981
D908
R968 R969
ECB
R978
R974
C932 R976
R954
Q909 R999
C967
R814 C909
R81 |