Sony-TAVE170-hts-sm 电路图 维修手册.pdf

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1、TA-VE170 AEP Model UK Model E Model Australian Model Chinese Model SERVICE MANUAL HOME THEATER SYSTEM Manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY”, “AC-3”, “Pro Logic” and the double-D symbol ; and “Pro Logic” are trademarks of Dolby Laboratories Licensing Corpor

2、ation. This set is the Amplifier section in HT-K170. SPECIFICATIONS (DIN 1 kHz, 8 ohms) 25 W + 25 W (DIN 1 kHz, 8 ohms) Front: 25 W / ch Center: 25 W Rear: 25 W / ch TV, VIDEO, DVD 2CH, 5.1 CH/DVD : 10 Hz - 50 kHz +0.5/2 dB WOOFER: Voltage: 1 V Impedance: 1 kilohms Full mute 220 - 230 V AC, 50/60 Hz

3、 115 W 430 x 274 x 64.5 mm 4.6 kg Power output Rated Power Output at Stereo mode Reference Power Output Frequency response Inputs Outputs Muting Power requirements Power consumption Dimensions Mass (Approx.) TV, VIDEO, DVD 2CH, 5.1 CH/ DVD Sensitivity 250 mV Impedance 50 kilohms S/N (weighting netwo

4、rk, input level) 85 *78IHF dB* (A, 250 mV) General Design and specifications are subject to change without notice. RadioFans.CN 收音机爱 好者资料库 2 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SA

5、FE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270C during repairing. Do not touch the soldering iron on the same conductor of

6、 the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. TABLE OF CONTENTS 1. GENERAL 3 2. DISASSEMBLY 4 3. TEST MODE 5 4. DIAGRAMS 6 4-1. Notes for Printed Wiring Board and Schematic Diagram 6 4-2. Printed Wiring Board MAIN Section 9 4-3. Sc

7、hematic Diagram MAIN Section (1/2) 10 4-4. Schematic Diagram MAIN Section (2/2) 11 4-5. Printed Wiring Boards PANEL Section 12 4-6. Schematic Diagram PANEL Section 13 4-7. Printed Wiring Boards POWER Section 14 4-8. Schematic Diagram POWER Section 15 4-9. IC Pin Function Description 16 5. EXPLODED V

8、IEWS 17 6. ELECTRICAL PARTS LIST 19 RadioFans.CN 收音机爱 好者资料库 3 SECTION 1 GENERAL This section is extracted from instruction manual. 1 5.1 CH/DVD 2 DVD 2CH 3 TV 7 REAR SPEAKERS 8 CENTER SPEAKER 9 Mains lead 4 VIDEO 5 WOOFER FRONT SPEAKER6 157 9 8642 3 1 3456782 1 ?/1 button 2 CENTER MODE button 3 VIDE

9、O button 4 TV button 5 DVD 2CH button 6 5-1 CH/DVD button 7 SOUND FIELD button 8 MASTER VOLUME knob RadioFans.CN 收音机爱 好者资料库 4 CASE, FRONT PANEL SECTION MAIN BOARD Note: Follow the disassembly procedure in the numerical order given. 4case 3screw (BVTP3 x8) 7four screws (BVTP3 x8) claw 6flat wire (CNS

10、301) 2two tapping screws 1two tapping screws 5flat wire (CNS302) claw 8 front panel section 8?Remove the MAIN board to direction of the arrow A 6?connector (CNS800) 5?connector (CNP802) 7?six screws (BVTP3 x8) 1?two screws (BVTP3 x8) 3?six screws (BVTP3 x8) 2?DC fan 4?connector (CNS801) A SECTION 2

11、DISASSEMBLY 5 SECTION 3 TEST MODE This equipment is provided with a test mode built in the microcomputer. The contents are described in the following. Initial Mode 1.Press ?/1 button while pressing both TV and 5.1CH/DVD buttons simultaneously. 2. “INITIAL” is displayed on the fluorescent indicator t

12、ube, and the status of the unit is set in the following. All Memory is clear. Center, rear level set to 0. Center mode set to NORMAL. Muting clear. Volume level set to min. FAN is on. Factory Mode 1.Press ?/1 button while pressing three buttons of VIDEO, DVD2CH, and 5.1CH/DVD simultaneously. 2. Fact

13、ory setting same as initial except center mode set to normal using jog can set to volume max or min directly. FL Check Mode 1. Press ?/1 button while both CENTERMODE and TV buttons simultaneously. 2. Fluorescent indicator tube and LED are checked, “FINISH” is displayed and the status of the unit is

14、set back in normal condition. Gain Up Mode 1. Press ?/1 button while pressing SOUNDFIELD button. 2. “NOMAL” is displayed on the fluorescent indicator tube and the rear is gained up 3 dB. 3. To exit from this mode, press two buttons in the same manner as step1. “GAIN LOW” is displayed on the fluoresc

15、ent indicator tube and the status of the unit is set back in normal condition. Version Mode 1.Press ?/1 button while pressing three buttons of CENTERMODE, DVD2CHand SOUNDFIELD buttons simultaneously. 2. Version of its destination is displayed on the fluorescent indicator tube. FAN ON/OFF Press ?/1 b

16、utton while pressing CENTERMODE button. “FAN ON” t fan always turn on. “FAN AUTO”t when micro computer detected enough input signal fan turn on automatically. Normally fan is off. 6 Circuit Boards Location SECTION 4 DIAGRAMS PW.SW borad DISPLAY board JOG board MAIN board STANDBY board PRIMARY board

17、SECONDARY board 4-1. NOTES FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM Note on Schematic Diagram: All capacitors are in F unless otherwise noted. pF: F 50 WV or less are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless otherwise specified. : inte

18、rnal component. 2 : nonflammable resistor. C : panel designation. Note on Printed Wiring Board: X : parts extracted from the component side. b : Pattern from the side which enables seeing. Indication of transistor. U : B+ Line. V : B Line. Voltages and waveforms are dc with respect to ground under n

19、o-signal conditions. Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal produc- tion tolerances. Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal produc- tion tolerances. Circled numbers refer to waveforms. Signal

20、 path. F: FRONT/AUDIO IN f: REAR E: CENTER j: WOOFER C B These are omitted. E Q B These are omitted. CE Q Waveforms MAIN Board 1 IC300 # (OSC) DISPLAY Board 1 IC201 # (X1) 3.4 Vp-p 8 MHz 4.3 Vp-p 4.19 MHz Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. R

21、eplace only with part num- ber specified. Note: 7 IC Block Diagrams STANDBY Board IC950NJM2103D IC500LC78212 MAIN Board IC100M62447SP 1 2 3 45 6 7 8 V+ VSB/SESIN VSA RESET GND OUTC VSC CR VREF + + + Q RS 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 41 42 39 40 37 38 35 36 33 34 31 32 29 30 OUTPUT PO

22、RT MICRO COMPUTER INTERFACE DVDD CLK DATA LATCH DGND AGND OUT4 OUT3 OUT2 OUT1 AVDD SW IN GND S SR IN SL IN GND C C IN GND R1 GND R2 GND L1 GND L2 R IN GND LR L IN SW OUT SR OUT SL OUT C OUT R OUT NC L OUT AVSS1 AVSS2 22 28 NC 21 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20

23、 19 18 17 16 CONTROL LATCH SHIFT RESISTOR LEVEL SHIFT CL DI CE VEE OUT IN OUT IN OUT IN VSS S RESET VDD OUT ININ OUT IN OUT IN 8 IC300LV1035M STRIM OSC VOL VOL VCAVCA A B A B VCAVCA VCAVCAVCAVCA DEV NOISE GEN NOISE FILTER BPF CONTROL CH CONTROL BPF V REF STRIM S MODE RECT RECT DC CUT B NR OUT FILTER

24、 DATA DECODER VOL/ MUTE BPF RECT LOGIC FF LOGIC FF RECT C MODE LOGICLOGIC S S S A A S B BB A B C B LR A A A B A B A B A B A B S VDD PCM PCM CONTROL SRAM IN FILTER R L C S R A B A B A B A B L L R L R R BPF2 R BPF1 S DC OUT C DC OUT R DC OUT L DC OUT V REF VCC C OUT S OUT R OUT L OUT GND L IN R IN S I

25、N DELAY OUT L BPF2 L BPF1 RT IN LT IN DC CUT C MODE GND NS BPF1 OSC NS BPF2 ENABLE DATA CLK DATA CLK VSS OSC OSC VDD A/D NS D/A DC CUT DC CUT VCC DET IREF GND S-OUT R-OUT L-OUT L RECT DC CUT4 R RECT DC CUT3 L BPF3 VLR TH VLR 1 VLR 2 VCS 2 VCS 1 VCS TH L+R RECT DC CUT2 L-R RECT DC CUT1 R BPF3 64 63 6

26、261605958575655545352515049 48 47 46 45 44 43 41 40 39 38 37 36 35 34 33 1817 16 15 14 13 12 11 10 9 7 3 4 5 6 1 2 8 19 20 2122232425262728 29303132 42 TA-VE170 99 D100J-13 D310C-6 D520C-12 D521J-13 D550I-8 D620C-11 D621J-13 D720C-8 D721J-7 D731J-6 D801G-12 D810H-12 D811H-12 D812H-11 D813H-11 D814D-

27、4 D820I-12 D821I-12 D822I-12 D823I-12 D850C-13 D853C-13 IC100I-2 IC300E-3 IC302E-6 IC401C-4 IC500G-3 IC501I-10 IC502F-6 IC503F-5 IC601F-10 IC651D-10 IC701E-9 IC751H-9 IC801I-6 IC802I-7 IC803E-5 Q150I-5 Q151I-5 Q152I-4 Q153I-4 Q154I-4 Q155I-4 Q367C-6 Q520D-12 Q550I-8 Q551I-9 Q620D-12 Q720C-8 Q730I-7

28、Q731I-6 Q732J-7 Q851C-13 Q853B-13 Q854C-12 Q855B-13 4-2. PRINTED WIRING BOARD MAIN Section Semiconductor Location Ref. No.Location See page 6 for Circuit Boards Location. There are a few cases that the part printed on this diagram isnt mounted in this model. (Page 12)(Page 12)(Page 12) (Page 14) (Pa

29、ge 14) (FAN1) TA-VE170 1010 4-3. SCHEMATIC DIAGRAM MAIN Section (1/2) See page 6 for Waveform. See page 7 for IC Block Diagrams. R106 100k 2 TA-VE170 1111 4-4. SCHEMATIC DIAGRAM MAIN Section (2/2) 1.5k TA-VE170 1212 4-5. PRINTED WIRING BOARDS PANEL Section Semiconductor Location Ref. No.Location See

30、 page 6 for Circuit Boards Location. There are a few cases that the part printed on this diagram isnt mounted in this model. (Page 9) (Page 9) . D201B-11 D202B-11 D203C-3 D204C-3 D211B-11 D212B-11 D213B-11 D214B-11 D215B-5 D216B-5 D217B-5 D218B-4 IC201C-8 IC202B-10 Q201C-3 Q202C-3 Q218B-2 TA-VE170 1

31、313 4-6. SCHEMATIC DIAGRAM PANEL Section See page 6 for Waveform. See page 16 for IC Pin Function. (Page 10) (Page 11) PIN FUNCTION TA-VE170 1414 4-7. PRINTED WIRING BOARDS POWER Section See page 6 for Circuit Boards Location. There are a few cases that the part printed on this diagram isnt mounted

32、in this model. (Page 9) (Page 9) PC900 TA-VE170 1515 4-8. SCHEMATIC DIAGRAM POWER Section See page 7 for IC Block Diagram. 1616 4-9. IC PIN FUNCTION DESCRIPTION DISPLAY BOARD IC201 PD78042FGF-120-3B9 (SYSTEM CONTROLLER, FL/LED DRIVER, KEY CONTROL) Pin No.Pin NameI/OFunction 1 to 7DIG7 to DIG1OGrid d

33、rive signal output to the fluorescent indicator tube (FL201) 8VDDPower supply terminal (+5V) 9S. CLKO Serial data transfer clock signal output to the M62447SP (IC100), LV1035M (IC300) and LC78212 (IC500) 10S. DATAOSerial data output to the M62447SP (IC100), LV1035M (IC300) and LC78212 (IC500) 11S. C

34、E (VOL)OChip enable signal output to the M62447SP (IC100) “H” active 12S. CE (LC7822)OChip enable signal output to the LC78212 (IC500) “H” active 13S. CE (LV1035M)OChip enable signal output to the LV1035M (IC300) “H” active 14EN3OEnable signal output terminal “L” active 15Not used 16PROTECTI I Overl

35、oad protection input terminal 17RESETI System reset signal input from the reset signal generator circuit “L”: reset For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H” 18EN1OEnable signal output to the function switch (IC402) “L” active 19EN2OEnable signal o

36、utput to the function switch (IC401) “L” active 20AVSSGround terminal (for A/D converter) 21FAN CLKIFan motor clock signal input terminal 22FAN ONIFan on signal input for the fan motor drive 23FAN. CNTLOFan motor control signal output terminal “L”: fan motor on (high speed) “H” : fan low speed 24MUT

37、INGOLED drive signal output of the MUTING LED (D218) “H”: LED on 25INot used (open) 26A/D IIIIKey input terminal (A/D input) S205, 206 (5.1 IN, SURROUND MODE keys input) 27A/D IIIKey input terminal (A/D input) S202, 204 (VIDEO, DVD keys input) 28A/D IIKey input terminal (A/D input) S201, 203 (CENTER

38、 MODE, TV keys input) 29AVDDPower supply terminal (+5V) (for A/D converter) 30AVREFIReference voltage (+5V) input terminal (for A/D converter) 31XT1ISub system clock input terminal Not used (fixed at “L”) 32XT2OSub system clock output terminal Not used (open) 33VSSGround terminal 34X1IMain system cl

39、ock input terminal (4.19 MHz) 35X2OMain system clock output terminal (4.19 MHz) 36SIMULATEDOLED drive signal output of the SIMULATED LED (D215) “L”: LED on 37C. STUDIOOLED drive signal output of the C.STUDIO LED (D216) “L”: LED on 38PROLOGICOLED drive signal output of the PROLOGIC LED (D217) “L”: LE

40、D on 39INot used (fixed at “L”) 40PHANTOMOLED drive signal output of the PHANTOM LED (D211) “L”: LED on 41WIDEOLED drive signal output of the WIDE LED (D212) “L”: LED on 42NORMALOLED drive signal output of the NORMAL LED (D213) “L”: LED on 433-STEREOOLED drive signal output of the 3 STEREO LED (D214

41、) “L”: LED on 44SYS. POWERI System power on/off switch (S200 I/u) input terminal 45ENCODER 2IJog dial pulse input from the rotary encoder (RV201 MASTER VOLUME) 46ENCODER 1IJog dial pulse input from the rotary encoder (RV201 MASTER VOLUME) 47STOPIPower down detection signal input from the NJM2103D (I

42、C950) “L”: power down 48VSSGround terminal 49SIRCSISircs signal input from the remote control receiver (IC202) 50, 51INot used (fixed at “L”) Pin No.Pin NameI/OFunction 52VDDPower supply terminal (+5V) 53FAN ON/OFF OFan on/off control “L” : fan on “H” : fan stop 54MUTE. S. RO Line muting on/off cont

43、rol signal output for the rear speaker right channel signal “H”: muting on 55MUTE. S. LO Line muting on/off control signal output for the rear speaker left channel signal “H”: muting on 56FUNC. MUTEO Line muting on/off control signal output for the front and center speakers signal “H”: muting on 57V

44、ERSIONISetting terminal for the version (fixed at “L” in this set) 58W. RYOWoofer on/off relay drive signal output terminal “H”: relay on 59SP. RYOFront speaker on/off relay drive signal output terminal (for protect) “H”: relay on 60S. RYORear speaker on/off relay drive signal output terminal (for p

45、rotect) “H”: relay on 61C. RYOCenter speaker on/off relay drive signal output terminal (for protect) “H”: relay on 62POWER. RYOPower on/off relay drive signal output terminal “H”: relay on (power on) 63 to 70S14 to S7OSegment drive signal output to the fluorescent indicator tube (FL201) 71VLOADPower

46、 supply terminal (24V) (for FL drive) 72 to 77S6 to S1OSegment drive signal output to the fluorescent indicator tube (FL201) 78ONot used (open) 79, 80DIG9, DIG8OGrid drive signal output to the fluorescent indicator tube (FL201) 17 SECTION 5 EXPLODED VIEWS Items marked “*” are not stocked since they

47、are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical parts with no reference num- ber in the exploded views are not supplied. Accessories and packing materials are given in the last of the electrical parts list. NOTE: -XX and -X mean sta

48、ndardized parts, so they may have some difference from the original one. Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) Parts ColorCabinets Color The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number spe

49、cified. (1)CASE, FRONT PANEL SECTION Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 6 5 5 7 8 5 11 9 12 10 9 12 2 1 supplied with RV201 CHASSIS SECTION 4 3 14-211-178-01KNOB (VOL) (BLACK) 14-211-178-21KNOB (VOL) (SILVER) 2X-4953-052-1FRONT PANEL ASSY (BLACK) 2X-4953-053-1FRONT PANEL ASSY (SILVER) 33-008-600-11EMBLEM (5-AR), SONY 41-678-814-11PW.SW BOARD 54-951-620-01SCREW(2.6X8), +BVTP 61-777-353-11WIRE(FLAT TYPE) (15 CORE) 7A-4473-758-A DISPLAY