Westinghouse-H-196-H-207-Sams-65-17电路原理图.pdf

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1、PHOTOFACT* Folder WESTINGHOUSE MODELS H-196, H-2O7 HOR1Z HOLD VERT HOLD CONT. MODEL H20UM TONE UN-OFF SW HOLD HOLD CON MODEL H-196 o 0 RadioFans.CN THE COOPERATION OF THE MANUFACTURER C RECEIVER MAKES IT POSSIBLE TO BRING YOU THIS A PHOTOFACT STANDARD NOTATION SCHEMATIC Howard W. Soms ,1 * i- J77N (

2、3)68K MEG Jj ) HM ! J-5000 1 T MMF -T5000 fpqoN . J MMF (CSIJ,.! J | 1 5000 gj9|MMF -WT-dH /Diii 4700 yjlHy WMF i(=yrMMp r MMF I DIL MEG V! VERI HOLD /jwh CONTROL1 | 100 K ) RadioFans.CN 1H AUDIO OUTPUT 6AQ5 pj I 47i M TONE CONTROL fooiN 47DK AA o o RadioFans.CN WESTINGHOUSE MODELS H-196, H-2O7 Ld C

3、L c/) Common to chas- sis. 11 DC Probe to point JJX Common lead to polnt ADJUST A7, A8 A9 A10, All A12 REMARKS Adjust for maximum de- flection. Adjust for zero reading. A positive or negative reading on either side denotes the correct setting. Remove the two lOOKffl resistors. FM IF ALIGNMENT USING

4、FM SIGNAL GENERATOR AND OSCILLOSCOPE Use frequency modulated signal with 60% modulation and 450KC sweep. Use 120% sawtooth voltage in scope for horizontal deflection. DUMMY ANTENNA 1000MMF 1000MMF 1000MMF DUMMY ANTENNA 300S carbon res. 3002 carb on res. SIGNAL GENERATOR COUPLING High side to pin 1 6

5、BA6 (V29 ) . Low side to chassis. High side to pin 7 12AT7 (V30). Low side to chas sis. SIGNAL GENERATOR COUPLING High side to terminal 1 of antenna strip. Low side to ter- minal 2. n SIGNAL GENERATOR FREQUENCY 10.7MC (450KC Sweep) SIGNAL GENERATOR FREQUENCY 105MC BAND SWITCH POS. FM w FM BAND SWITC

6、H POS. RADIO DIAL SETTING Tuning cap fully open n n RF ALIGNMENT RADIO DIAL SETTING 105MC Tune for maximum out- put. SCOPE CONNECT Vertical Amp. to pointer Low side to c has- sls. 1 1 Vertical Amp. to point-Bi Low side to chas- sis. CONNECT VTVM DC Probe to point 3rt Low Side to chassis. ADJUST A7,

7、A8 A9 A10, All A12 ADJUST A13 A14 REMARKS Disconnect stabilizer capacitor (Cll). Adjust for maximum amplitude and symmetry as per Fig 1 Adjust for maximum ampli- tude and symmetry as per Fig 1. Reconnect stabilizer cap. Adjust so c rossover point occurrs at center of pat- tern as per Fig 2. If neces

8、sary, slightly re- touch A7 for maximum amplitude and straight- ness of crossover lines. REMARKS Adjust for maximum de- flection. 11 ir n FIG. I PAGE 6 FIG. 2 RadioFans.CN 10. 20 TV ALIGNMENT SOUND IF ALIGNMENT USING AM SIGNAL GENERATOR AND VTVM Attenuate the signal generator to give approximately a

9、 DUMMY ANTENNA SOOMMF SOOMMF SIGNAL GENERATOR COUPLING High side to pin 1 (Grid) of 6AG5 (V2), Low side to chassis SIGNAL GENERATOR FREQUENCY 21.6MC CHANNEL 3 5 volt reading on the VTVM using the 10 vclt scale. CONNECT VTVM C Probe Common ssis. DC Probe Ho Common Point SOUND IF ALIGNMENT USING TM Co

10、nnect the synchronized sweep voltage from the signal DUMMY ANTENNA SOOMMF SOOMMF SWEEP GENERATOR COUPLING High side to pin 1 (Grid) of 6AG5 (V2) Low side to chas- sis. SWEEP GENERATOR FREQUENCY 21. SMC (IMC Sweep) MARKER GENERATOR FREQUENCY 21.45MC 21.6M3 21.8MC 21.35MC 21. SMC 21.85MC CHANNEL 3 3 t

11、o Point to to Point to ADJUST A15.A16, A17.A18 A19 REMARKS Adjust for maximum deflection. Adjust for zero reading. A positive and negative reading will be obtained on either side of the correct setting. SIGNAL GENERATOR AND OSCILLOSCOPE generator to the horizontal input of the oscilloscope. CONNECT

12、SCOPE Vert. Amp. to Point D. Low side to chassis. Vert. Amp. to Point C. Low side t o chassis. ADJUST A15, A16, A17, A18 A19 REMARKS Disconnect stabilizer cap (C8) . Adjust for maximum amplitude and symmetry as per Fig 3. Reconnect stabilizer cap. Adjust A19 so 21. SMC marker appears at center of pa

13、ttern as per Fig 4. VIDEO IF ALIGNMENT Connect the bias unit shown in Fig 5 to the AGC line. DUMMY ANTENNA SOOMMF SOOMMF SOOMMF SOOMMF SOOMMF SOOMMF SOOMMF SOOMMF 500MMF SIGNAL GENERATOR COUPLING High side to pin 1 (Grid) of 6AG5 (V2), Low side to chassis SIGNAL GENERATOR FREQUENCY 21. SMC 21.6MC 20

14、.4MC 27. SMC 22.8MC 23. SMC 25.6MC 25.9MC 22. SMC CHANNEL 3 CONNECT VTVM DC Probe to Video Test Jack on chassis. Common to chassis. n ADJUST A20 A21 A22 A23 A24 A25 A26 A27 A28 REMARKS Adjustfor minimum deflection. Adjustfor maximum deflection. Adjust for maximum deflection. If A25 re- quired adjust

15、ment, repeat step 12. Adjust for maximum deflection. If A26 re- quired adjustment, repeat step 13. Adjustfor maximum deflection. Adjust for maximum deflection. If A28 re- quired adjustment, repeat step 14. OVERALL VIDEO IF RESPONSE CHECK Leave the bias unit connected for this visual check. Shunt the

16、 vertical amplifier connections of the oscilloscope with a SOOMMF capacitor and insert a 200KS2 resistor in series with the high side lead. Connect the horizontal amplifier to the synchronized sweep voltage output of the signal generator. DUMMY ANTENNA 500MMP SWEEP GENERATOR COUPLING High side t o p

17、in 1 (Grid) of 6AG5 (V2) Low side to chassis SWEEP GENERATOR FREQUENCY 25MC (12MC Sweep) MARKER GENERATOI FREQUENCY 21. SMC 22. SMC 23.0MC 25. SMS 26. IMC 27. OMC CHANNEL 3 CONNECT SCOPE Vert. Amp. thru 200K2 to video test Jack. Low side to chassis. (See instruct- ions above) ADJUST A20 thru A28 REM

18、ARKS Check to see that markers appear on pattern obtained as per Fig 6. Slight adjustment of A24 and A25 will usually properly place the markers. If readjustment of A25, A26 or A28 is made their respective traps must be rechecked. Do not adjust any trap except A22 to correct the response curve . TV

19、OSCILLATOR ALIGNMENT The RF amplifier and mixer circuits of the tuner are very stable and normally do not require adjustment in che field. When adjusting the oscillator circuits, turn the fine tuning control to the mid point of Its tuning range. DUMMY ANTENNA Two 150S carbon res. SIGNAL GENERATOR CO

20、UPLING Insert ISOfi resis- tor in each genera- tor lead and con- nect across antenna terminals . SIGNAL GENERATOR FREQUENCY 215.75MC (Unmod. ) 209.7SMC 203.75BC 197.75MC 191 .75MC 185.75MC 179.75MC 87.75MC 81.75MC 71.75MC 65.75MC 59.75MC CHANNEL 13 12 1. 10 9 8 7 6 5 4 3 2 CONNECT VTVM Probe to Poin

21、t Coitimon to ssis. n ADJUST A29 A30 A31 A32 ASS A34 ASS A36 A37 A38 A39 A40 REMARKS Expand or compress the oscillator coil for maximum deflection. Adjustslug for maximum deflection. n n fl n K II n n n 11 n n H n T PAGE? RadioFans.CN VOLTAGE AND RESISTANCE MEASUREMENTS VOLTAGE READINGSRESISTANCE RE

22、ADINGS Horn V 1 V 2 V 3 V 4 V 5 V 6 V 7 V 8 V9 V 10 V 1 1 V 12 V 13 V 14 V 15 V 16 V17 V I S V19 V20 V21 V22 V23 V24 V 25 V 26 V 27 V28 V29A V29B V30 V31 V32 V33 V34 V35 V36 Tubs 6BH6 SAG5 SC4 63H6 6BH6 6BH6 6BH6 6AL5 SATS 12AT7 12AX7 6A05 12AU7 SR.IS 6BH6 6T8 6A05 12AT7 12AU7 SA1.S 6AC7 6AQ5 SGSG 5

23、V4G 133GT 5U4G 5V4G 12AT7 6BE6 SEES 6BA6 6BA6 5AL5 6AV6 6V6GT 5Y30T 10BP4 Pin 1 OV - . SVDC 170VDC -.8VDC - . 1VDC OV OV .3VDC OV 215VDC 7.2V3C OV T 85VDC - . 1VDC -.3VDC -.8VDO OV 70VDC T 300VDC -.6VDC OV -24VBC OV OV Pin 2 1VDC OV OV .7VDC .7VDC .7VDC .7VDC -.1VDO 3 . 6VDC 16VDC - . 6VDC -.4VDC 7V

24、DC t -38VDC 1.2VDC OV -1.3VDC 10VDC -.3VBC t OV -3VDO 6.3VAC OV ov t 400VDC Pin 3 OV OV ov 6.2VAC 6.2VAC 6.2VAC 5.2VAC 6.3VAC 6.3VAO OV ov 6.3VAC T OV 6.3VAC 6.3VAC -.8VBC 6.3VAC OV T7VDO T15VDO 6.3VAC OV 6.3VAC T 9.7VDC OV Pin 4 6.3VAC 6.3VAC 6.3VAC OV OV OV OV OV ov ov ov ov ov ov ov 6.3VAC OV OV

25、OV OV -.4VDC OV ov T 350VDC Pin 5 170VDC 24SVDC 170VDC 225VDC 235VDC 235VDO 190V JC OV - . 1VDC OV ov 155VDC OV 235VDC 208VDC OV 205VDC OV OV -2VDC OV 165VDC T -3VCC OV Pin 6 13SV3C 115V IX -5. SVDC 160VDC 160VDC 1SOVDC 150VLC OV - . 1VDO - . SVDC 27VDC 1S5VDC OV 13SVBC 105V DC OV 225VDO 63VDC T2SVD

26、C 194VCC OV 9CV3C 16SVDO T 400VDC T 350VDC Pin 7 OV OV 3.8VDC OV OV OV ov ov 235VDC -.6VDC -.3VDC OV OV ov ov ov ov -.4VDC T -2.4VEC -S.6VDC OV -24VDC 6.3VAC OV Ph 8 OV OV .SVDC -.SVDC OV t OV 190VDO 840VDC 400VDC Pin 9 6.3VAC 6.3VAC 6.3VAC 100VDO 6.3VAC 6.3VAO TOP CAP DO NOT MEASURE OV OV 195VDC 5

27、-6. SVDC -8. SVDC -.1VDC OV -.8VDC - .4VDC OV OV OV 340VDC 380VDC .1VBC OV OV OV OV OV OV 6.3VAC 295VDC .5VDC OV 340VDC 1VDO OV OV OV OV OV OV 250VBC OV PIN 10 2SOV3C 330VAC 330V*C OV 6.5VAC 6.5VAC 6.5VAC 6.5VAC 6.5VAC 6.3VAC 265VDC 300VAC PIN 11 108VDO 190VCC OV OV 250VDC 2SOVDC 235VDC 235VDC OV -.

28、3VDC OV OV PIN 12 6.3ViC 330V*C 330VAC 123VDC 125VDC 108VDC 107V DC 110VDC OV .7VBC 220VDC 300VAC 340VDC OV -2.2VCC OV -.1VDC 1.1VDC 1.2VDO -.4VDC 90VDC OV OV 540VDC 380VDC OV 13. SVDC 895VBC 6.3VAC Hem V 1 V 2 V 3 V 4 V 5 V6 V7 V 8 V9 V10 V 1 1 V 12 V I 3 V 14 V U V 16 V 17 V 18 V 19 V20 V 21 V22 V

29、23 V24 V25 V26 V27 V28 V29 V 30 V31 V32 V33 V34 V35 V36 TuL 63HS 6AG5 6C4 6BH6 68H6 6BH6 6BH6 SALS SATS 12AT7 12AX7 6AQ5 12AU7 6BJ6 6BH6 6T8 6A55 12AT7 12AU7 SALS 6AC7 6AQ5 6B06G 5V4G 1B3GT 5U4G SV4G 12AT7 6BE6 6BA6 6BA6 SALS 6AV6 6V6GT 5Y3GT 10EP4 Pin 1 1.4 Meg 1 Meg. *8.5K2 2 Meg. 2 MeE. S.8K2 2.2

30、K2 BOK2 1.2 Meg. *5. 5K2 *25K2 470K2 650K2 l.S KeE. 47K2 Inf. 470K2 *50K2 3K2 900KS OS 27K2 Inf. Inf. Inf. 02 Offl IKK 23KH 1.2 Meg. .Sffl Inf. 10 Met. .sn Inf. OH Pin 2 100! Offi Inf. 822 822 662 682 2.5K2 5.BK2 lOOOffi SOOKffi 1 MeE. 2202 220K2 1002 02 20K2 270E 100K2 T 2 Men 1.4 USE, .22 92 Offi

31、6K2 Inf. T16K2 T120KS 400K2 Offi 02 OB inf , . 02 .62 120KS! 1 Meg. Pin 3 02 02 02 IS Iffi 12 IS .22 .22 02 02 .22 t 02 .22 .22 Inf. .22 02 T3K2 T5002 .22 02 .22 T1002 inf, Inf. Inf. TISKffl 832 02 02 02 Offi Cffi *6002 inf. PIN 10 3502 Pin 4 .22 .22 .22 02 02 02 02 02 02 on 02 02 02 02 02 .22 02 02

32、 02 Offi 1.4 Kef 02 Inf. 2502 Inf, T20ffi 1202 02 .5ffi .52 .52 12 .52 *2002 852 PIN 11 *68K2 11K2 100ffi 8.5K2 3.3K2 lOOOffi 10002 6K2 .22 950Kffi 02 Offi 4K2 02 10002 10K2 02 *1500ffi 02 Offi 102 102 6K2 T220Kffi Inf. Inf, . TSOKffi Inf. 02 *5Kffi * 4X2 3.5K2 02 470K2 480K2 Inf. PIN 12 .22 36K2 SO

33、K2 22K2 34K2 34K2 34K2 34K2 02 950K2 SOOKffi 22K2 22K2 02 34K2 100Kffi Offi nlGOOffi *22K2 2.5 Meg 1 Mez. 02 *20K2 10K2 110K2 .2502 Inf. T202 T202 *13K2 * 12K2 * 34KS 33K2 02 150K2 250K2 802 Offi 02 4702 OS 02 02 02 .22 220K2 500K2 1 MeE. 470K2 Offi 02 Offi 02 470K2 4.7 Mec. T1.2 Me* 1.4 Mei. 02 27K

34、2 .22 Inf. Inf. T120K2 Inf. 450K2 2 Men. 682 682 ISKffi * 420KS Offi Inf. 02 02 1 Kee. 15 Meg. 02 T02 20K2 5K2 6K2 Inf. T16Kffl t 120K2 02 2702 120K2 .22 .22 .22 220K2 .22 .2ffi 6K2 6K2 .52 * Do not measure t Measured from pin 8 of V19 Measured with VTVK 4- Taken in FM position tt Taken in broadcast

35、 position 1. DC Voltage measurements are at 20,000 ohms per volt; AC Vollage measured all ,000 2. Pin numbers are counted in n clockwise direc- tion on bottom of socket. 3. Measured values are from socket pin to com- mon negative unless otherwise statod. 4. Line voltage maintained at 117 volts for v

36、olt- age readings. 6, Where readings may vary according to the * Measured from pin 8 of V26 * Measured from pin 8 of V27 t Measured from pin 8 of V19 $ Measured from pin 8 of V35 tt Taken in broadcast position * Taken in FM position RadioFans.CN RF TUNER-LEFT SIDE RF TUNER-RIGHT SIDE PAGE 10 RadioFa

37、ns.CN F.M. RF. AMP MIXER 1 f / / J 5 S : 3 Art , J (RI50) REAF AA. (128) ) H(- v 2 % T si Z(C136) swr 1. i 2. / 3. I i |F=455KC AM IF-I0.7 MC FM THE COOPERATION OF RECEIVER MAKES IT POSSI A PHOTOFACT STANDARD NOTATION SCHEMATIC Howard W. Sams 0123 C124 0125 C126 C127 C128 0129 0130 0131 015 0133 C13

38、4 C135 0136 0137 0138 0139 5000 5000 5000 270 82 5000 5000 5000 5000 82 270 5000 5000 5000 5000 5000 270 10 .001 .1 .01 .01 . 5 .1 . 0 4 7 .047 . 0 4 7 470 .047 . 0 4 7 270 5000 470 5000 5000 47 5000 470 47 47 .001 5000 .01 .01 . 0 1 470 .01 .01 ,0022 47 470 .047 .01 270 .1 2000 5000 5000 4700 .068

39、.25 .1 68 .015 .0047 . 0 4 7 .047 .0047 .015 .0047 .047 390 .01 680 .001 .1 . 0 4 7 .033 .047 500 .01 .01 100 5000 5000 33 33 100 470 5000 5000 5000 2 470 V-5596 1467-005 V-5596 1467-005 V-5596 1467-005 ;CM20B271M 1468-00025 V-5596 1467-005 V-5596 1467-005 V-5596 1467-005 V-5596 1467-005 1CM20B271M

40、1468-00025 V-5596 1467-005 V-5596 1467-005 V-5596 1467-005 V-5596 1467-005 V-5S96 1467-005 500 hCM20B271M 1468-00025 500 (CM20B100M 1468-00001 500 4CM20B220M 1468-000025 600 V60236102M P688-001 400 V60234104M P488-1 400 V60234103M P488-01 400 V60234103M P488-01 400 484-5 400 V60234104M P488-1 400 V6

41、0234503M P488-047 400 V60234503M P488-047 400 V60234503M P488-047 500 ICM20B471M 1468-0005 400 V60234503M 1488-047 400 V60234503M P488-047 00 RCM20B271M 1468-00025 V-5596 1467-005 500 RCM20B471M 1468-0005 V-5596 1467-005 V-5596 1467-005 RCM20B470K 1468-00005 V-5596 1467-005 RCM20B471M 1468-0005 500

42、RCM20B470K 1468-00005 500 RCM20B470K 1468-OOOOb 600 V60236102M P688-001 V-5596 1467-005 400 V60234103M P488-01 400 V60234103M P488-01 400 V60234103M P488-01 500 RCM20B471M 1468-0005 400 V60234103M P488-01 400 V60234103M P488-01 600 V60236202M P688-0022 R2CC21ZY 1468-00005 470K R5CC21ZY 1468-0005 471

43、M 400 V60234503M P488-047 400 V60234103M P488-01 500 RCM20C271K 1468-00025 400 V60234104M P488-1 V60601 1467-002 1467-005 1467-005 500 RCM30B472J 1467-005 400 V60234683M P488-068 400 V60664254M P488-25 400 V60234104M P488-1 500 RCM20B680M 1468-00007; 200 V60232153M P288-015 400 V60234402M P688-0047

44、400 V60234503M P488-047 400 V60234503M P488-047 400 V60232153M P688-0047 400 V60232153M P488-015 400 V60234402M P688-0047 400 V60234503M P488-047 500 RCM20B391M 1468-0004 400 V60234103M P488-01 500 RCH20B681M 1479-0007 600 V60236102M P688-001 400 V60234104M P488-1 400 V60234503M P488-047 600 V602363

45、53K P688-033 600 V60256503M P638-047 10000 V5895 600 RCP10M6103MP6B8-01 SCP10M6103M P688-01 1468-0001 1467-005 1467-005 1468-000025 1D5D5 1DSD5 1D5D5 5W5T25 1D5D5 1D5D5 1D5D5 1D5D5 5W5T25 1D5D5 1D5D5 1D5D5 1D5D5 1D5D5 5W5T25 5W5Q.1 R3CC30SL101M V5S96 VSS96 R3CC26CK 330M R3CC26CK 330M R3CC30SL 101J R

46、5CC21ZY 471M V5596 V55S6 V5596 R2CC300KO 20D R5CC21ZY 471M 1468-000025 1469-0001 1467-005 1467-005 1467-005 RCP10W2203A R3C030CK 270K R2CC30CK 050D R2CC30UK 020D P488-02 1468-00002! 1468-OOOOOE GT6D1 GT4P1 GT4S1 GT4S1 GT4P5 GT4P1 GT4S5 GT4S5 GT4S5 5W5T5 C-T4S5 GT4S5 5W5T25 1D5D5 5W5T5 1D5D5 1D5D5 OW

47、5Q5 1D5D5 5W5T5 5W5Q5 SW5Q5 GT6D1 1D5D5 GT4S1 GT4S1 GT4S1 5W5T5 GT4S1 GT4S1 GT6D2 5W5Q5 5W5T5 GT4S5 GT4S1 5W5T25 GT4P1 1W5D2 1D5D5 1D5D5 1D5D5 GT4P25 GT4P1 5W547 GT6S15 GT6D5 GT4S5 GT4S6 GT6D5 GT6S15 GT6D5 GT4S5 5WGT4 GT4S1 1W5T7 GT6D1 GT4P1 GT4S5 GT6S5 GT6S1 GT6S1 SW5T1 1D5D5 1D5D5 5W5Q3 5W5Q3 1D5D

48、5 1D5D5 1D5D5 GT2S2 5W5Q25 GP2H-005 GP2M-005 GP2M-005 GP2K-250 GP2M-OOS GP2M-005 GP2M-005 GP2M-005 GP2K-2SO GP2M-005 GP2M-OOS GP2M-OOS GP2M-005 GP2M-005 GP2K-250 GP1K-10 GP1K-25 GP2L-001 IFM-25 lFM-25 1FM-25 1FM-325 IFM-25 1FM-25 1FM-25 IFM-25 1FM-325 1FM-25 IFM-25 IFM-25 1FM-2S 1FM-25 1FM-325 MS -4

49、1 MS -4 25 TM-21 TM-l GP2K-250 GP2M-OOS GP2K-500 GP2M-005 GP2M-005 GP1K-50 GP2M-005 GP2K-500 GP1K-50 GP1K-50 GP2L-001 GP2M-OOS GP2-335-01 GP2-335-01 GP2-335-01 OP2K-500 GP2-335-01 GP2-335-01 GP1K-50 GP2K-500 GP2-335-01 GP2M-005 GP2M-005 GP1K-75 GP2M-005 GP2M-005 GP2M-005 GP2-335-01 GP2K-750 GP2L-001 GP1K-100 GP2M-005 GP2M-005 NPOL-33 NPOL-30 GP2K-500 GP2M-005 GP2M-005 GP2M-005 MW.5-25 MW.5-25 MW.5-25 TM-ll TC-5 TM-l TM-15 TM-15 rn-i5 1FI1-35 TM-15 FM-15 1FM-325 1FM-25 1FM-3S 1FM-25 1FM-25 1FM-45 1FM-2S 1FM-35 UM-45 1FM-45 TM-21 1F