Sony ST-JX661 Service Manual
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- Operating instructions manual (32 pages) ,
- Operating instructions manual (15 pages)
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SERVICE MANUAL
FM tuner section
Frequency range
87.5–108 MHz
Antenna terminals
75 ohms, unbalanced
Intermediate frequency
10.7 MHz
Sensitivity
at 50 dB quieting (mono) 22.1 dBf, 7µV/75Ω
(stereo) 42.1dBf, 7µV/75Ω
Usable sensitivity (IHF) 19.5 dBf, 5µV/75Ω
at 75 kHz deviation
S/N
80 dB (mono), 75 dB (stereo)
Harmonic distortion
at 1 kHz
0.3% (mono), 0.5% (stereo)
Frequency response
30 Hz–15 kHz
(+0.5/–2.0 dB)
Separation
35 dB at 1 kHz
Selectivity
55 dB at 400 kHz
Output
at 75 kHz deviation
775 mV, 4.7 kilohms
AM tuner section
Frequency range
US, Canadian model :
531–1,710 kHz (9 kHz)
530–1,710 kHz (10 kHz)
AEP, UK, German, Italian model :
522–1,611 kHz (9 kHz)
E, Singapore, Australian, Chinese, Malaysia,
Saudi Arabia model :
531–1,602 kHz (9 kHz)
530–1,710k Hz (10 kHz)
Intermediate frequency
450 kHz
Usable sensitivity
(with AM loop antenna) AM : 500µV/m
Signal-to-noise ratio
54 dB (500mV/m, 999 kHz)
Harmonic distortion
0.5 % (50 mV/m, 400Hz)
Selectivity
50 dB
MICROFILM
ST-JX661/SE200
Photo : ST-JX661
SPECIFICATIONS
Australian Model
General
Power requirements
US, Canadian model :
120 V AC, 60 Hz
AEP, German, Italian model :
220-230 V AC, 50/60Hz
UK, Australian model :
240 V AC, 50/60Hz
E, Singapore, Chinese, Malaysia,
Saudi Arabia model :
110-120 V/220-240 V AC,
50/60 Hz adjustable
Power consumption
7 W
Dimensions
430 x 82 x 279 mm (w/h/d) (17 x
3
1
/
x 11 inches)
4
Mass
Approx. 2.4 kg (5 lb 4 oz)
Supplied accessorise
Audio cord (1)
AM loop antenna (1)
FM wire antenna (1)
Design and specifications are subject to change without notice.
FM STREO/FM-AM TUNER
US Model
Canadian Model
ST-JX661
AEP Model
UK Model
E Model
ST-JX661/SE200
Chinese Model
ST-SE200
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Summary of Contents for Sony ST-JX661
- Page 1 US Model Canadian Model ST-JX661 AEP Model UK Model E Model Australian Model ST-JX661/SE200 Chinese Model ST-SE200 Photo : ST-JX661 SPECIFICATIONS FM tuner section General Frequency range 87.5–108 MHz Power requirements US, Canadian model : Antenna terminals 75 ohms, unbalanced...
- Page 2 CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU SUPPLEMENTS PUBLISHED BY SONY.
- Page 3 SECTION 1 GENERAL LOCATION OF CONTROLS 1 2 3 1 POWER button 5 Numeric buttons 2 MEMORY SCAN button 6 TUNING buttons 3 STEREO/MONO button 7 MEMORY button 4 Display window 8 BAND button – 3 –...
- Page 4 SECTION 2 ADJUSTMENTS FM Tuned Indication Lighting Level Adjustment TUNER SECTION Band : FM Note 1 : The adjustment should be performed in the publication. Procedure : (AM n FM) 1. Supply a 31.6µV (30dBµ) 98 MHz signal to the ANTENNA ter- Note 2 : As a front-end (FE1) is difficult to repair if faulty, replace minal (TM1).
- Page 5 SECTION 3 EXPLANATION OF IC TERMINAL IC701 µPD78042AGF-078-3B9 (FL DRIVER) Pin No. Pin name Description FL drive. – Power supply (+5V) PLL CE Chip enable output to PLL IC. PLL DATA OUT PLL data output. PLL CLK PLL clock input. PLL DATA IN PLL data input.
- Page 6 Pin No. Pin name Description – Not used. (Ground) – Not used. (Ground) – Not used. (Ground) POWER Power ON/OFF control signal output. – Not used. (Ground) – Not used. (Ground) – Not used. (Ground) – Not used. (Ground) – Not used.
- Page 9 SECTION 5 EXPLODED VIEW NOTE : The mechanical parts with no reference num- The components identified by mark ! or dotted line with mark ! are critical -XX, -X mean standardized parts, so they may ber in the exploded views are not supplied. for safety.
- Page 10 PANEL, FRONT (SE200) * 15 A-4389-245-A TUNER BOARD, COMPLETE (E,SP,EA,MY,CH) 4-979-927-01 WINDOW * 15 A-4389- -A TUNER BOARD, COMPLETE (AUS) 4-963-404-21 EMBLEM (5-A), SONY * 16 3-346-265-31 HOLDER, PC BOARD 4-980-109-01 BUTTON (P-M) 4-951-620-01 SCREW (2.6X8), +BVTP 1-659-920-11 SW BOARD...
- Page 11 SECTION 6 DISPLAY ELECTRICAL PARTS LIST NOTE : The components identified by mark ! SEMICONDUCTORS or dotted line with mark ! are critical Due to standardization, replacements in the In each case, u : µ , for example : for safety. parts list may be different from the parts speci- uA..
- Page 12 JOINT-1 JOINT-2 TUNER DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– R790 1-249-441-11 CARBON 100K 1/4W A-4389-238-A TUNER BOARD, COMPLETE (US,CND) (AEP,UK,G,IT) A-4389-243-A TUNER BOARD, COMPLETE (AEP,UK,G,IT) R791 1-249-441-11 CARBON...
- Page 13 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– 1-162-303-11 CERAMIC 0.0033uF 30% 16V 1-233-541-11 FRONT END (4 GANG) (AEP,UK,G,IT) (EXCEPT US,CND) 1-239-260-11 ENCAPSULATED COMPONENT 1-162-600-11 CERAMIC 0.0047uF 30% 16V (US,CND) <...
- Page 14 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– 1-249-411-11 CARBON 1/4W < VARIABLE RESISTOR > (AEP,UK,G,IT) RV41 1-238-601-11 RES, ADJ, CARBON 22K (AM TUNED LEVEL) 1-249-432-11 CARBON 1/4W RV42 1-238-600-11...
- Page 15 Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– 4-981-470-01 INDIVIDUAL CARTON (US) 4-981-470-11 INDIVIDUAL CARTON (JX661:AEP,UK,G,IT) 4-981-470-21 INDIVIDUAL CARTON (SE200:AEP,UK,IT) 4-981-470-31 INDIVIDUAL CARTON (SE200:AUS,E,SP,EA,MY,CH) ************************************************************ ********************* HARDWARE LIST ********************* 7-685-646-79 SCREW +BVTP 3X8 TYPE2 TT(B) – 21 –...
- Page 16 ST-JX661/SE200 English 96C0296-1 Sony Corporation Printed in Japan Consumer A&V Products Company © 1996.3 9-960-608-11 Home A&V Products Div. Published by Home A&V Products Div. Quality Engineering Dept. – 22 –...