STR-V220 3 7 63 1515 0 SERVICE MANUAL US Model L 13942296513 SPECIFICATIONS — Continued on next page — FM STEREO/FM-AM RECEIVER u163 MICROFILM – 1 – http://www.xiaoyu163.com...
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WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN u163 THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 – http://www.xiaoyu163.com...
STR-V220 3 7 6 3 1 5 1 5 0 4-2. SCHEMATIC DIAGRAM – MAIN (1/3) SECTION – • See page 6 for Waveforms. • See page 13 for Printed Wiring Board. • See page 23 for IC Block Diagrams.
STR-V220 4-7. SCHEMATIC DIAGRAM – DISPLAY SECTION – 3 7 6 3 1 5 1 5 0 • See page 6 for Waveforms. • See page 25 for IC Block Diagrams. • See page 26 for IC Pin Function.
http://www.xiaoyu163.com 3 7 63 1515 0 4-11. IC PIN FUNCTION • IC201 uPD78044FGF-145-3B9 (Display board) Pin Name Function Pin No. DIG7 DIG6 DIG5 DIG4 Fluorescent indicator tube drive DIG3 DIG2 DIG1 Power supply (+5V) — S. CLK System clock S. DATA System data PLL.
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http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function VOLUME UP Volume up VOLUME DOWN Volume down STANDBY Standby LED drive (Not used) SYS. POWER System power ON/OFF RDS. DATA. IN RDS data input (Not used) RDS. CLK. IN RDS clock input (Not used) STOP Stop signal input from NJM2103D (IC950)
http://www.xiaoyu163.com 3 7 63 1515 0 5-2. SHASSIS SECTION not supplied IC702 IC701 #2 #2 53 57 supplied supplied T901 not supplied supplied L 13942296513 supplied The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
http://www.xiaoyu163.com SECTION 6 DISPLAY ELECTRICAL PARTS LIST 3 7 63 1515 0 Note: • SEMICONDUCTORS • Due to standardization, replacements in the parts list The components identified by In each case, u: µ , for example: may be different from the parts specified in the mark ! or dotted line with mark uA...: µ...
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