SONY ICFSW7600GR
Service Manual

ICF-SW7600GR

SERVICE NOTE
The cautions when carrying out exchange of IC302 (6-800-111-01), or exchange of KEY board (A-4440-289-A). When carrying out exchange of IC302, or exchange of KEY board, a setup of destination is needed. Procedure of a setup : 1. A power supply is supplied and a clock is displayed. (Once it turns ON a power supply, it is made to turn off, if it is in power saving.) 2. Two test lands of KEY board are made to short-circuit. (Fig.1) 3. A liquid-crystal display lights up altogether except PAGE No. 4. By the difference to destination, 1 to 3 is inputted by 10 keys. (The difference to destination is as follows.) 5. The beep sound �pi� carries out and it returns to a usual clock display.
Destination 1 BAND LW MW AM SW MW step FM Others 150-529kHz 530-1620kHz 1621-29999kHz 9kHz 76.0-108.0MHz Destination 2 US, Canadian 150-529kHz 530-1620kHz 1621-29999kHz 10kHz 76.0-108.0MHz Destination 3 Saudi Arabia 150-285kHz 530-1620kHz 2250-26100kHz 9kHz 87.5-108.0MHz

[KEY BOARD] (CONDUCTOR SIDE)
CN301 1 2

E

B

C D

C

A

TO MAIN BOARD

E

B

S

B G

E

C

G
A K

S

D

18

17

Short
S323 S319 3 4 b STANDBY MEMORY a K 1 5 A

IC305

IC303
21 34 S327 AM BAND S325 ERASE S328 ENTER 21 34

IC304

11

1-679-367-

(11)

3

4
Fig. 1

5

6

7

2