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3 7 63 1515 0
SERVICE MANUAL
ST-EX880/MS717 are the tuner section
in DHC-EX880MD/MD717.
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L 13942296513
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MICROFILM
http://www.xiaoyu163.com
ST-EX880/MS717
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http://www.xiaoyu163.com
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Photo: ST-MS717
SPECIFICATIONS
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1 3
1 5
FM STEREO/FM-AM TIMER TUNER
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2 8
AEP Model
UK Model
E Model
Tourist Model
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8
2 9
9 4
2 8
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9 9
ST-EX880
ST-MS717
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Related Manuals for Sony ST-EX880
Summary of Contents for Sony ST-EX880
- Page 1 ST-EX880/MS717 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model ST-EX880 E Model Tourist Model ST-MS717 ST-EX880/MS717 are the tuner section Photo: ST-MS717 in DHC-EX880MD/MD717. SPECIFICATIONS L 13942296513 FM STEREO/FM-AM TIMER TUNER u163 MICROFILM http://www.xiaoyu163.com...
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Page 2: Table Of Contents
[MULTI CONTROLLER] any button pressed or knob turned. 5-9. Printed Wiring Board – RDS Section – (ST-EX880) ..21 5-10. Schematic Diagram – POWER Section – ...... 22 3) Under KEY check mode, every time buttons pressed numerical value 5-11. Printed Wiring Boards – POWER Section – ....23 of “KEY=”... -
Page 3: General
http://www.xiaoyu163.com SECTION 2 This section is extracted from instruction manual. GENERAL 3 7 63 1515 0 LOCATION OF CONTROLS – Front Panel – – Rear Panel – !ª TUNER OUT terminal 1 I/u (POWER) button 2 REMOTE CONTROL receiver @º FM/AM ANTENNA terminal @¡... - Page 4 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 – 4 – http://www.xiaoyu163.com...
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Page 5: Disassembly
http://www.xiaoyu163.com SECTION 3 DISASSEMBLY 3 7 63 1515 0 Note: Follow the disassembly procedure in the numerical order given. MAIN BOARD 1 two screws (case3 TP2) 3 case 2 screw (BVTT3 × 6) 1 two screws (case3 TP2) 5 connector (CN104) 9 two screws (BVTP3 ×... -
Page 6: Electrical Adjustments
http://www.xiaoyu163.com SECTION 4 ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 0 dB=1 µV Note: As a front-end (FE1) is difficult to repair if faulty, replace it with new one. AM Section Adjustment Setting: loop antenna loop antenna (Supplied accessories) AM RF SSG 30% amplitude modulation by AM ANTENNA... -
Page 7: Diagrams
ST-EX880/MS717 SECTION 5 DIAGRAMS 3 7 6 3 1 5 1 5 0 5-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS • Waveforms – PANEL Section – – MAIN Section – Note on Schematic Diagram: Note on Printed Wiring Boards: •... - Page 8 ST-EX880/MS717 3 7 6 3 1 5 1 5 0 5-2. PRINTED WIRING BOARD – MAIN Section – (ST-EX880) • See page 7 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D103 D104 D105 D125 D143 D161...
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Page 9: Printed Wiring Board - Main Section - (St-Ms717)
ST-EX880/MS717 3 7 6 3 1 5 1 5 0 5-3. PRINTED WIRING BOARD – MAIN Section – (ST-MS717) • See page 7 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D103 D104 D105 D125 D143 D161... -
Page 10: Schematic Diagram - Main Section (1/2)
ST-EX880/MS717 3 7 6 3 1 5 1 5 0 5-4. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 8 for Waveforms. (Page 15) 1 3 9 4 2 2 9 6 5 1 3 w w w... -
Page 11: Schematic Diagram - Main Section (2/2)
ST-EX880/MS717 3 7 6 3 1 5 1 5 0 5-5. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 8 for Waveforms. (Page 21) (Page 20) (Page 14) 1 3 9 4 2 2 9 6 5 1 3... -
Page 12: Printed Wiring Board - Panel Section
ST-EX880/MS717 3 7 6 3 1 5 1 5 0 5-6. PRINTED WIRING BOARD – PANEL Section – • See page 7 for Circuit Boards Location. (Page 10, 12) 1 3 9 4 2 2 9 6 5 1 3... -
Page 13: Schematic Diagram - Panel Section
ST-EX880/MS717 3 7 6 3 1 5 1 5 0 5-7. SCHEMATIC DIAGRAM – PANEL Section – • See page 8 for Waveforms. 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 (Page 16) –... -
Page 14: Schematic Diagram - Rds Section - (St-Ex880)
! are critical for safety. Replace only with part number specified. 1 3 9 4 2 2 9 6 5 1 3 (Page 15) 5-9. PRINTED WIRING BOARD – RDS Section – (ST-EX880) • See page 7 for Circuit Boards Location. w w w... -
Page 15: Printed Wiring Boards - Power Section
ST-EX880/MS717 3 7 6 3 1 5 1 5 0 5-11. PRINTED WIRING BOARDS – POWER Section – • See page 7 for Circuit Boards Location. 1 3 9 4 2 2 9 6 5 1 3 (Page 10, 12) -
Page 16: Ic Pin Function Description
(Tourist model: open, Except Tourist model: fixed at “L”) AM MONO AM forced monaural control signal output terminal “H”: forced monaural Not used (open) DESTINATION Input terminal for the destination setting (ST-EX880: open, ST-MS717: fixed at “L”) AM/FM FM/AM selection signal output terminal Not used (open) AVDD —... - Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 • IC Block Diagrams – MAIN Board – IC1 LA1835 17 16 DECODER RF. AMP ANTI BIRDIE BUFF STEREO STEREO S METER DRIVE TRIG MUTE AM/FM PILOT COMP LEVEL S-CURVE BUFF AM/FM PHASE TUNING DRIVE L 13942296513 IC51 LC72130...
- Page 18 3 7 63 1515 0 – RDS Board – IC302 SAA6579 (ST-EX880 ONLY) TEST LOGIC AND OUTPUT SELECTOR SWITCH 57kHz OSCILLATOR ANTI- QUALITY BIT RECONSTRUCTION BANDPASS ALIASING GENERATOR FILTER (8th ORDER) FILTER DIVIDER BIPHASE CONTAS LOOP DEFFERENTIAL CLOCKED SYMBOL...
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Page 19: Exploded Views
Remark 4-995-074-01 KNOB (JOG) 1-773-110-11 WIRE (FLAT TYPE) (19 CORE) 4-988-161-01 SPRING, RING 3-363-099-01 SCREW (CASE 3 TP2) X-4949-861-1 PANEL ASSY, FRONT (ST-EX880) 4-900-196-11 CASE X-4949-873-1 PANEL ASSY, FRONT (ST-MS717) 4-951-620-01 SCREW (2.6X8), +BVTP u163 A-4407-398-A PANEL BOARD, COMPLETE (JE) - Page 20 * 54 4-995-091-11 PANEL (ST), BACK (MY, SP, HK) * 60 A-4407-877-A RDS BOARD, COMPLETE (AEP, UK) * 54 4-995-091-21 PANEL (ST), BACK (ST-EX880) ! 61 1-569-007-11 ADAPTOR, CONVERSION 2P (JE) * 54 4-995-091-31 PANEL (ST), BACK (JE) ! 61...
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Page 21: Electrical Parts List
10uF < CONNECTOR > 1-162-306-11 CERAMIC 0.01uF CN951 1-540-039-11 OUTLET, AC (NONPOLAR)(1P) 1-102-527-11 CERAMIC 82PF (FOR TA-MS717)(JE) (ST-EX880) 1-162-306-11 CERAMIC 0.01uF ************************************************************ 1-162-306-11 CERAMIC 0.01uF A-4407-399-A MAIN BOARD, COMPLETE (MY, SP, HK) 1-162-306-11 CERAMIC 0.01uF A-4407-876-A MAIN BOARD, COMPLETE (AEP, UK) 1-164-159-11 CERAMIC 0.1uF... - Page 22 0.01uF C215 1-162-282-31 CERAMIC 100PF < FERRITE BEAD > C216 1-162-282-31 CERAMIC 100PF C217 1-162-282-31 CERAMIC 100PF 1-410-397-21 FERRITE BEAD INDUCTOR (ST-EX880) C218 1-162-282-31 CERAMIC 100PF < FRONTEND > C219 1-162-282-31 CERAMIC 100PF C220 1-162-282-31 CERAMIC 100PF 1-233-532-11 ENCAPSULATED COMPONENT (MY, SP, HK)
- Page 23 10uH (ST-EX880) 1-249-429-11 CARBON 1/4W 1-410-324-11 INDUCTOR 4.7uH 1-249-429-11 CARBON 1/4W 1-410-324-11 INDUCTOR 4.7uH 1-249-437-11 CARBON 1/4W L108 1-410-397-21 FERRITE BEAD INDUCTOR (ST-EX880) 1-249-399-11 CARBON 1/4W L109 1-410-397-21 FERRITE BEAD INDUCTOR (ST-EX880) 1-249-425-11 CARBON 4.7K 1/4W L201 1-408-421-00 INDUCTOR 100uH (ST-EX880)
- Page 24 < DIODE > 1-537-238-21 TERMINAL BOARD (ANTENNA)(ST-MS717) D902 8-719-046-43 DIODE SEL5421E-TP15 (SLEEP) 1-537-488-11 TERMINAL BOARD (ANT)(ANTENNA) D903 8-719-046-44 DIODE SEL5221S (REC) (ST-EX880) D904 8-719-046-43 DIODE SEL5421E-TP15 (DAILY) D905 8-719-046-43 DIODE SEL5421E-TP15 (ONCE) < VIBRATOR > < FLUORESCENT INDICATOR TUBE >...
- Page 25 http://www.xiaoyu163.com PANEL TRANSFORMER 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < COIL > C312 1-162-294-31 CERAMIC 0.001uF C313 1-101-884-00 CERAMIC 56PF L901 1-408-421-00 INDUCTOR 100uH C314 1-101-884-00 CERAMIC 56PF L902 1-408-421-00 INDUCTOR 100uH C315...
- Page 26 1-755-127-11 RELAY < SWITCH > ! S701 1-572-675-11 SWITCH, POWER VOLTAGE CHANGE (VOLTAGE SELECTOR) (ST-MS717) < TRANSFORMER > ! T701 1-431-833-11 TRANSFORMER, POWER (ST-EX880) ! T701 1-431-834-11 TRANSFORMER, POWER (ST-MS717) ************************************************************ MISCELLANEOUS *************** L 13942296513 1-773-110-11 WIRE (FLAT TYPE) (19 CORE)