Sony-TA-AV661-Service-Manual电路原理图.pdf
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1、 TA-AV661 US Model SPECIFICATIONS AV CONTROL INTEGRATED AMPLIFIER MICROFILM SERVICE MANUAL RadioFans.CN 收音机爱 好者资料库 2 TABLE OF CONTENTS SectionTitlePage SECTION 1.GENERAL. 3 SECTION 2.DIAGRAMS 2-1.Circuit Boards Location . 4 2-2.Printed Wiring Board Display Section . 6 2-3.Schematic Diagram Display S
2、ection .9 2-4.IC Pin Function IC401 System Control (PD78043AGF-033-3B9). 12 2-5.Schematic Diagram Main Section . 13 2-6.Printed Wiring Board Main Section . 17 SECTION 3. EXPLODED VIEWS 3-1.Front Panel Section . 21 3-2.Back Panel Section . 22 3-3.Chassis Section. 23 SECTION 4. ELECTRICAL PARTS LIST.
3、24 SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below. LE
4、AKAGE The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microampers). Leakage current can be measured by any one of three methods. 1. A commercial leakage tester, such as the S
5、impson 229 or RCA WT-540A. Follow the manufacturers instructions to use these instruments. 2. A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. Th
6、e “limit” indication is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2V AC range are suitable. (See Fig. A) Fig. A. Using an AC voltmete
7、r to check AC leakage. To Exposed Metal Parts on Set 0.15F1.5k AC voltmeter (0.75V) Earth Ground SAFETY-RELATED COMPONENT WARNING ! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH
8、 SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. Lighting of all FLs and LEDs While pressing 3 button, connect the power supply plug to the outlet, the FL tubes and LEDs light up. Key Check With all the FLs and LEDs lit, when the 3 button and WOOFER
9、ON/OFF button are pressed simultaneously, “SET *” is displayed. When the 3 button and WOOFER ON/OFF button are pressed simultaneously again, the Key Check mode is set and “KEY 0” is displayed. Each time a button other than POWER is pressed, the display will count up to “KEY 30”. A button already pre
10、ssed will not be counted when pressed again. When the button is pressed for the 31st time, “AMP” is displayed and the key check mode is ended. Note: The * of “SET *” differs according to the version of the microprocessor. To exit the test mode, press the POWER button. Abbreviation FL : Fluorescent I
11、ndicator Tube RadioFans.CN 收音机爱 好者资料库 3 SECTION 2 GENERAL FRONT PANEL This section is extracted from instruction manual. REAR PANEL 12 34 56789! ! ! ! ! ! ! !PRESET MODE buttons (MEMORY, USER, SOUND FIELD) !VIDEO 1 button !VIDEO 2 button !VIDEO 3 button !VIDEO 4 button !TAPE button !CD button TUNER
12、button PHONO button EQ FLAT button WOOFER ON/OFF button VIDEO 4 INPUT jack (VIDEO, AUDIO L/R) 1POWER button 2CENTER MODE button 3DOLBY PRO LOGIC indicator 4SURROUND MODE buttons (DOLBY, HALL, SIMULATED) 5 / / button 6Display Window 7CONTROL MODE buttons (EQ, CENTER, REAR, WOOFER) 8Numeric buttons (1
13、-5) 9SUPER WOOFER indicator !MASTER VOLUME knob !HEADPHONES jack !DISPLAY button 21 SECTION 3 EXPLODED VIEWS NOTE: Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference n
14、umber in the exploded views are not supplied. Hardware (# mark) list and accessories and pack- ing materials are given in the last of this parts list. 3-1. FRONT PANEL SECTION Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 14-980-107-01KNOB (VOL) 23-350-426-01SPRING, RING 34-977-
15、358-11CUSHION (8X12.5) 44-979-937-11FILTER 54-979-942-21WINDOW 64-979-937-01FILTER 74-963-404-21EMBLEM (5-A), SONY 84-979-934-11PANEL, FRONT * 94-982-462-01HOUSE, LED 104-980-108-01BUTTON (PRE) 114-979-930-01BUTTON (F-8) 124-979-931-01INDICATOR 134-979-936-01BUTTON (P-T) * 14A-4389-305-A DISP BOARD,
16、 COMPLETE * 154-921-941-01CUSHION (FL) * 164-971-014-11HOLDER, FL TUBE 171-769-867-11WIRE (FLAT TYPE) (5 CORE) 184-951-620-01SCREW (2.6X8), +BVTP 191-773-286-11WIRE (FLAT TYPE) (29 CORE) * 201-661-167-11VR BOARD 213-704-366-01SCREW (CASE) (M3X8) * 224-982-682-01CASE (414532) 234-979-932-01ESCUTCHEON
17、 (V) FL4011-517-513-11INDICATOR TUBE, FLUORESCENT 1 2 3 5 7 8 10 11 12 12 13 14 15 16 17 18 19 2021 21 21 #1 #1 FL401 15 6 9 9 4 Supplied with RV401 22 23 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. 22 3-2. BACK PAN
18、EL SECTION Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark * 521-659-607-11VIDEO 4 BOARD * 53A-4389-312-A EQ BOARD, COMPLETE * 541-661-163-11REAR SP BOARD * 551-659-613-11VIDEO BOARD * 564-979-954-52PANEL, BACK * 573-703-244-00BUSHING (2104), CORD 583-704-515-01SCREW (BV/RING) !CN
19、P901 1-690-609-21CORD, POWER The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. 56 57 CNP901 #1 #1 #1 #1 54 #1 #1 58 #1 #1 55 53 not supplied 52 23 3-3. CHASSIS SECTION #1 Ref. No.Part No.DescriptionRemarkRef. No.Part No.D
20、escriptionRemark * 1014-979-946-01PLATE (432), BOTTOM 102X-3371-405-1FOOT (SMALL) ASSY * 1031-661-168-11HP BOARD * 1041-661-166-11T-2 BOARD * 1051-661-165-11T-1 BOARD 1061-769-867-11WIRE (FLAT TYPE) (5 CORE) * 1071-661-164-11POWER BOARD * 108A-4389-302-A MAIN BOARD, COMPLETE 1091-773-286-11WIRE (FLA
21、T TYPE) (29 CORE) !F9041-533-310-11FUSE, GLASS TUBE (6.3A 125V) !F9051-533-310-11FUSE, GLASS TUBE (6.3A 125V) !F9061-533-310-11FUSE, GLASS TUBE (6.3A 125V) !F9071-533-310-11FUSE, GLASS TUBE (6.3A 125V) !T9011-429-458-11TRANSFORMER, POWER 101 102 103 104 105 108 109 #1 #1 #1 #1 #1 #1 #1 #1 #1 #1 #1 #
22、1 #1 #1 #2 #3 not supplied not supplied not supplied not supplied not supplied not supplied 106 #1 #1 T901 #2 107 F905 F906 F907 F904 #1 #1 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. 24 Note: Due to standardization
23、, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. -XX, -X mean standardized parts, so they may have some difference from the original one. Items marked “*” are not stocked since they are seldom required for routine service.
24、Some delay should be anticipated when ordering these items. RESISTORS All resistors are in ohms METAL: Metal-film resistor METAL OXIDE: Metal Oxide-film resistor F : nonflammable SEMICONDUCTORS In each case, u: , for example: uA.: A., uPA.: PA., uPB.: PB., uPC.: PC., uPD.: PD. CAPACITORS uF : F COIL
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