Sony-TAVE810G-ava-sm 电路图 维修手册.pdf

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1、 1 SERVICE MANUAL MICROFILM TA-VE810G AEP Model UK Model INTEGRATED AV AMPLIFIER SPECIFICATIONS Continued on next page RadioFans.CN 收音机爱 好者资料库 2 MODEL IDENTIFICATION BACK PANEL Parts No. Parts No.Model 4-989-880-5 4-989-880-6 AEP, German, East European model UK model TABLE OF CONTENTS 1. SERVICING N

2、OTE. 3 2. GENERAL. 4 3. DISASSEMBLY 3-1. Front Panel .22 3-2. Balance Board, Display Board and Volume Board . 22 4. ELECTRICAL ADJUSTMENTS.23 5. DIAGRAMS 5-1. Circuit Boards Location .24 5-2. Printed Wiring Board Dolby Surround Section .26 5-3. Schematic Diagram Dolby Surround Section .29 5-4. Schem

3、atic Diagram OSD Section . 33 5-5. Printed Wiring Board OSD Section .37 5-6. Printed Wiring Board Power Amp Section .41 5-7. Schematic Diagram Power Amp Section .45 5-8. Schematic Diagram Panel Section .49 5-9. Printed Wiring Board Panel Section . 53 5-10. IC Block Diagrams .57 5-11. IC Pin Function

4、s .62 6. EXPLODED VIEWS 6-1. Case Section. 69 6-2. Front panel Section . 70 6-3. OSD Board Section. 71 6-4. Chassis Section .72 7. ELECTRICAL PARTS LIST.73 Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged

5、 by heat. 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 SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISH

6、ED BY SONY. RadioFans.CN 收音机爱 好者资料库 3 ALL CLEAR Mode which erases all the user memories registered in this unit and sets to setting at shipment. Procedure: 1. With the power turned OFF, press the POWER button while pressing the MODE button, AUDIO FUNCTION and VIDEO FUNCTION button simultaneously to

7、turn ON the power. 2. ALL CLEAR ! will be displayed on the fluorescent indicator tube, and ALL CLEAR will be executed. FACTORY SET Mode which sets the memory of the unit to the setting of adjust- ment and check at factory. (Not used for servicing.) Procedure: 1. With the power turned OFF, press the

8、POWER button while pressing the MODE button and AUDIO FUNCTION button simultaneously to turn ON the power. 2. FACTORY SET will be displayed on the fluorescent indicator tube, and FACTORY SET will be executed. Note: In case you return the unit to the customer, do not perform FACTRY SET. If you do it,

9、 perform ALL CLEAR. Fluorescent indicator tube, LED all lit mode Procedure: 1. With the power turned OFF, press the POWER button while pressing the MODE button and VIDEO FUNCTION button simultaneously to turn ON the power. 2. The fluorescent display tubes and LEDs will all light up. Re- lease the bu

10、ttons in the order of VIDEO FUNCTION , and MODE . 3. The Fluorescent indicator tube display changes as follows by pressing the AUDIO FUNCTION . (Pressing the other buttons will exit this mode.) SECTION 1 SERVICING NOTE 9 Fluorescent indicator tube and all LEDs are OFF 99 Partial lighting of fluoresc

11、ent indicator tube 2, LEDs are OFF *1 9 Partial lighting of fluorescent indicator tube 1, LEDs are OFF *1 9 Fluorescent indicator tubes, LEDs are all lit Press AUDIO FUNCTION button. Press AUDIO FUNCTION button. Press AUDIO FUNCTION button. Press AUDIO FUNCTION button. *1 Those other than the STANDB

12、Y LED go OFF. 4. To exit the mode, press the POWER button to turn OFF the power. MEMORYMEMORYMEMORYMEMORYSML THEATER SML HALL ACOUSTIC KARAOKE ARENA STADIUM HIGH ENHANCED PRO LOGIC MONO MOVIE MUSIC 12 SPORTS GAME STEREO MONO Adjustment of OSD Screen Position The position of the screen can be adjuste

13、d freely to correct the de- viation of the OSD screen caused by the monitor type that users are using. 1. Move the cursor of the remote commander supplied as an acces- sory, and display the OSD screen. 2. Click the SET UP of the OSD screen. 3. Next click TV SET. 4. Next click GRAPHIC POSITION SET. 5

14、. The screen for adjusting the OSD screen position will be dis- played. Adjust the position with the remote commander supplied as an accessory. 6. Click EXIT to end. Key Check Mode Method: 1. With the power OFF, while pressing the MODE button and AUDIO FUNCTION button together, press the POWER but-

15、ton. 2. “KEY TEST 18” will be displayed on the FL display tube. 3. The XX number is counted down each time a button other than POWER is pressed until it becomes 00. (Buttons pressed once will not be counted again when pressed another time.) 4. When the number becomes 00, press the POWER button and e

16、xit the mode. RadioFans.CN 收音机爱 好者资料库 4 SECTION 2 GENERAL This section is extracted from instruction manual. 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SECTION 3 DISASSEMBLY 3-1. FRONT PANEL 3-2. BALANCE BOARD, DISPLAY BOARD AND VOLUME BOARD 2 Screw (BVTP 3x8) 6 Flat type wire (19 core) (CNS40

17、2) 4 Flat type wire (17 core) (CNJ203) 3 Flat type wire (19 core) (CNS701) 1 Three screws (BVTP 3x8) 5 Three screws (BVTP 3x8) 8 Front panel 9 Flat type wire (19 core) (CNS105) 7 Remove the connector (CNS410) 1 Knob (Volume) 2 Nut 3 Knob (Balance) 6 Bracket 5 BALANCE board and VOLUME board 4 Two scr

18、ews (BVTP 2.6x8) 9 DISPLAY board 7 Six screws (BVTP 2.6x8) 8 Remove the four claws. 23 SECTION 4 ELECTRICAL ADJUSTMENT OSD COLOR BURST Adjustment Connection: Procedure: 1. Without anything connected to the external input terminal, press the POWER button and turn ON the power. 2. Adjust CT202 of the

19、OSD board so that the reading on the fre- quency counter becomes 4.433619 MHz 10 MHz. Adjustment Location S-VIDEO BOARD Component Side OSD WIDTH Adjustment Note: Perform “ALL CLEAR” before this adjustment. (Refer to Servicing note on page 4) Connection: frequency counter OSD board JW210 + Procedure:

20、 1. Press the POWER button and turn ON the power. 2. The OSD function frame will be displayed on the monitor. This screen will disappear in a few seconds automatically when the input of codes using the remote commander stops. If it disappears during adjustments, move the cursor of the re- mote comma

21、nder supplied as an accessory. The screen will ap- pear again. 3. While watching the monitor screen, adjust CT201 of the OSD board so that the following adjustment standard is satisfied. Adjustment standard: Adjust so that the width B becomes one and a half times of width A. 1.5A = B NOTE: Extra mar

22、gin is provided in this adjustment in consideration of the deviation of the screen according to the type of monitor used. Consequently, the user is able to adjust the position of the screen freely. (For details, refer to “Adjustment of OSD Screen Position” in 1. Servicing note. Refer to page 4.) mon

23、itor screen FUNCTIONSOUNDSETUP INPUTSUBUSER? ?+?=?P?p?)?(?0 ?1 ABOSD function frame 202 211 TM201 J202 CNS213 ! pin (VOUT-GND) ! pin (VOUT) OSD WIDTH OSD BOARD Component Side CT201 OSD Width CT202, JW210 OSD COLOR BURST CT201 IC206 CT202 IC205 JW210 CNP202 S-VIDEO board TM201 ! (VOUT) SET Monitor S-

24、VIDEO board TM201 ! (VOUT-GND) 24 25 SECTION 5 DIAGRAMS 5-1. CIRCUIT BOARDS LOCATION VOLUME board STAND BY board S-A-P board REAR AMP board SW board BALANCE board SURR-AUDIO board AUDIO board SP board SECONDARY board DISPLAY board MEMORY board VIDEO 3 board L.B SW board 5.1 IN board JOINT (B) board

25、OSD board S-VIDEO board JOINT (OSD) board AMP board AUDIO SW board H. P board SP SW board AMP. JOINT (R) board SURR board AMP. JOINT (F) board 57 58 5-10. IC BLOCK DIAGRAMS DOLBY SURROUND Section 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 19 18 17 16 CONTROL LATCH SHIFT RES

26、ISTOR LEVEL SHIFT CL DI CE VEE OUT IN OUT IN OUT IN VSS S RESET VDD OUT ININ OUT IN OUT IN IC301, 303 LC7822 L1 1 L2 2 L COM 1 3 R1 R2 R COM 1 30 29 28 L7 10 L COM 4 11 VEE 12 R7 R COM 4 VDD 21 20 19 L5 7 L6 8 L COM 3 9 R5 R6 R COM 3 24 23 22 L3 4 L4 5 L COM 2 6 R3 R4 R COM 2 27 26 25 RES18 S17 VSS1

27、6 CE 13 DI 14 CL 15 CONTROLLER LEVEL SHIFTER LATCH SHIFT REGISTER IC406 LC7823 IC501 uPC2581V PROTECTOR DRIVE 123456789101112131415 PRE DRIVE PRE DRIVE BIAS CIRCUIT REGDRIVE MUTE +VOUT1 VOUT1 COMP1 NF1 IN1 GND IN2 NF2 COMP2 VOUT2 +VOUT2 VCC1 VCC2 VEE IC502 TC9184P 161514131211109 12345678 S. DATA T.

28、 LAT +9V9V GND S. CLK TONE CE BASS + BASS COM TREBLE TREBLE + BASS + BASS COM TREBLE TREBLE + 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 AVDD AVss DVss XOUT XIN LO3 LO2 LO1 REQ SCK DATA TEST CNT TEST CNT Normaiy GND DVDD MIC IN AGND -9.2dB SELECTOR 3 L L S +9.2dB C C R R SELEC

29、TOR 2 SMRI SMRO CMC SOUT ST COUT CT ROUT LOUT NGC1 VREFD MIX OUT DELAY IN LPF1 IN1 LPF1 IN2 LPF1 OUT AD INT IN AD INT OUT AD CONT DA CONT DA INT IN DA INT OUT LPF2 IN1 LPF2 IN2 LPF2 OUT 2627282930 LPF CLK SCK DATA ATT L+RL+R REQ MCU INTERFACE CONTROL BPFBPF SERVOVCA AUTO BALANCE VOL VOL CENTER MODE

30、A/D LOGIC 16KSRAM MIC0dB MOS SFB MIX SU EC D/ALPF VOL OUT DELAY SIG IN DELAY SIG OUT FBIN EC FBIN SU S.OUT DBIN LPIN DBC1 DBC2 DBC3 PSC3 PSC6 PSC2 PSC5 PSC1 PSC4 RLC5 RLC2 RLC1 RLC4 RLC7 RLC3 RLC8 NGC2 NGC3 IREF VREFG VREFA AVcc HOLDC RIN LIN RT LT RBPF RLI LBPF LLI RLC6 313233343536373839 41 42 43

31、44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65666768697071727374757677787980 40 + + S. 22 + + SELECTOR 1 L+R LR VCA COMBINNING NETWORKS SELECTOR IREFVREFNOISE SEQUENCER /+ MODIFIED B-TYPE NR DECODER FULL WAVE RECTIFIER LOG DIFFERENCE AMPLIFIER DUAL-TIME CONSTANT AND THRESHOLD SWIT

32、CHES VOL IC401 M62460FP IC601 STK350-230 1 2 3 4 5 6 7 8 9 TR3R1 R2 TR4 TR6 TR7 R4 R9 TR5 TR1 TR2 R6 D4 D3 R7R8 TR8 D1 D2R5 R3 INPUT NF -VEOUT +VEOUT VSS GND VCC SUB 59 60 OSD Section IC202 uPD4053BCIC205 MB90095PF-186-BND 12345678 915101112131416 VDD B. COM A. COM A1 A0 A B C B1 B0 C1 C. COM C0 INH

33、 VEE VSS 27 GND28 26 25 YOUT COUT VOUT 1 2 3 4 ANALOG SWITCH 24 23 SERIAL INPUT CONTROL VIDEO SIGNAL GENERATOR CS S.DATA S.CLK22 21 TEST YIN CIN VIN AVCC 5 6 7 8 FSCO VBLK VCC EXS 4FSC CLOCK OSC 9 TO BLOCK 20 19 18 17 OUTPUT CONTROL NTSC/PAL SIGNAL GENERATOR 10 11 XS HSYNC VSYNC VOC1 VOC0 VOC2 VOB D

34、ISPLAY MEMORY CONTROL CGROM 12 13 EXHSYN EXVSYN 14GND16XD EXD15 TO BLOCK H/V SEPARATOR VRAM DOT CLOCK OSC IC210 LA7217 NC Vcc AFC CTL VCO OUT VCO IN HD OUT DET OUT GND EXC VD OUT 4SYNC OUT 3F.B CLAMP 2 VIDEO IN 1NC AFC 32FH VCO LOCK DET COUNT DOWN SYNC SEP V.SEP 14 13 12 11 10 9 87 6 5 IC211 SN76120

35、0 1 2 3 4 5 6 7 89 15 10 11 12 13 14 16 DECODER DECODER MONITOR OUT GND IN5 GND IN4 CTL E IN3 CTL D 6dB 6dB IN1 CTL A V OUT1 VCC IN2 CTL B V OUT2 CTL C 10 12 9 3 8 4 7 5 6 DET. ADJ Vcc FSC. IN HPF. MONI DET. OUT SYNC+BGP. IN GND FILT APF. MONI CHROMA. IN SW LIM AMP FREQUENCY PHASE CONVERTER (APF) PD

36、1S&H TIMING GEN 1HDL PD2LPF COMP IC212 LA7356 IC216, 218 SN74HC373AN GND 5D 6D 6Q 7Q 7D 8D 8Q VCC20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 4D 4Q 3D 3Q 2D 2Q 1D 1Q OC OUTPUT CONTROL D Q OE C Q D OE C D Q OE CQ D OE C Q D OE C Q D OE C OE (ENABLE) 5Q C Q DC OE Q DC 1 2 3 45 6 7 8 V+ VSB/SESIN

37、 VSA RESET GND OUTC VSC CR VREF + + + Q RS IC901 NJM2103D POWER AMP Section 61 IC102 M66004AFP-M6 PANEL Section SEGMENT OUTPUT CIRCUIT (35BIT x 16) DECODER INDICATION CODE RESISTOR (8BIT x 16) DECODER (35BIT x 16) CODE/COMMAND CONTROL CIRCUIT INDICATION CONTROL RESISTOR INDICATION CONTROLLER DIGIT O

38、UTPUT CIRCUITCODE WRITE CODE SELECT SERIAL RECEIVE CIRCUIT OUTPUT PORT (2BIT) CLOCK GENERATOR CIRCUIT RAM WRITE 212019221332 6064 - 6159 - 33 23 - 311 - 1217 1814 15 16 G13 | G16 VCC2 P1 | P27 VSS XIN XOUT VCC1 RST G12 | G1 VP CS SCK SDATA P36 | P28 IC106 BA6208 123456789 NC OUTPUT 2 Vcc GND NC INPU

39、T 2 INPUT 1 NC MOTOR DRIVE MOTOR DRIVE REG SWITCH SWITCH OUTPUT1 IC105 M50255P 1 2 3 4 5 6 7 89 15 10 11 12 13 14 16 12BIT SHIFT REGISTER LATCH CIRCUIT BUFFER INPUT CONTROL CIRCUIT GND DATA CLK Q0 Q1 Q2 Q3 Q4 VDD Q11 Q10 Q9 Q8 Q7 Q6 Q5 62 5-11. IC PIN FUNCTIONS IC103 Mode Controller (MB90673PF-G-226

40、-BND) O O O O O O I O I I O O I O O O O I I O I/O O O O O I I I I I I I I O O Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Pin Name Mute signal output to Rear power amp Latch output to Dolby surround processor Latch output to

41、 Tone controller Serial clock output to Dolby surround processor Serial data output to Dolby surround processor Latch output to PLL Auto-stop signal input from tuner (Not used) Mute signal output to tuner (Not used) Stereo-ID input from tuner (Not used) Serial data input from tuner Ground VIDEO CONT

42、ROL A signal output VIDEO CONTROL B signal output SIRCS input VIDEO CONTROL E signal output Video inhibit signal output (Not used) Serial data output to LED driver Serial clock output to LED driver Input of power key (Not used) Serial data input from OSD controller (U-ART0) Serial data output from O

43、SD controller (U-ART0) Serial clock input/output with OSD controller (U-ART0) Clear signal output to FL driver Serial data output to FL driver Serial clock output to FL driver Chip select output to FL driver Ground +5V power supply Reference voltage input +5V (AD) Reference voltage input 0V (Ground)

44、 Ground Key input 1 (AD) Key input 2 (AD) Ground Key input 3 (AD) Key input 4 (AD) Key input 5 (AD) AD version setting input Volume motor control signal output Volume motor control signal output AC MUTE D. LAT T. LAT S. CLK S. DATA S. LAT AUTO STOP T. MUTE STEREO IF DATA IN VSS (D) V-A V-B RM INPUT

45、V-E V-INH LED DATA LED CLR S. POWER RX (SIN) TX (SOUT) BUSY FL CLEAR FL DATA FL CLK FL LAT VCC (A) +AVR AVR GND (D) AD KEY IN 1 AD KEY IN 2 VSS (D) AD KEY IN 3 AD KEY IN 4 AD KEY IN 5 AD VERSION VOL + VOL Pin No.I/O Abbreviation FL : Fluorescent indicator tube 63 I I I I I O I O O O O I I I I I O I

46、O O O O O I O O O O O FunctionPin Name Mode setting pin (Fixed at “H”) Mode setting pin (Fixed at “H”) Mode setting pin (Fixed at “L”) Standby signal input of hardware STOP signal input LEARNING LED drive signal output Ground Ground CONTROL-A serial input (Not used) STANDBY LED drive signal output VOLUME LED drive signal output M-BUS output (Not used) CONTROL-A serial output (Not used) M-BUS (VIDEO 1) input (Not used) M-BUS (VIDEO 2) input (Not