Silvertone-8130-Sams-49-21电路原理图.pdf

《Silvertone-8130-Sams-49-21电路原理图.pdf》由会员分享，可在线阅读，更多相关《Silvertone-8130-Sams-49-21电路原理图.pdf（17页珍藏版）》请在收音机爱好者资料库上搜索。

1、PHOTO FACT* Folder SILVERTONE MODEL 813O TELEVISION RECEIVER ON-OFF VOLUME BRIGHTNESS FOCUS CONTRAST CHANNEL SELECTOR F|NE TUNING TRADE NAME SHvertone, Model 8130 SUPPLIER Sears, Roebuck RadioFans.CN SILVERTONE MODEL 813O TELEVISION RECEIVER RadioFans.CN m CHASSIS BOTTOM VIEW-RESISTOR IDENTIFICATION

2、 PAGE 3 RadioFans.CN CHASSIS BOTTOM VIEW-TRANSFORMER, INDUCTOR PAGE 4 AND ALIGNMENT IDENTIFICATION. RadioFans.CN ALIGNMENT INSTRUCTIONS IF ALIGNMENT USING FM SIGNAL GENERATOR AND OSCILLOSCOPE Waveform shown may be Inverted depending on the number of amplifying stages In the vertical amplifier of the

3、 particular scope being used. The marker signal must be attenuated so that only a small pip Is visible. A strong signal will cause undesirable AGO action and will distort or swamp the pattern. Connect the synchronized sweep voltage from the signal generator to the horizontal Input of the scope for t

4、he horizontal deflectlon. Disconnect C14 from Pin 5 of the RF Amplifier, VI. Solder a carbon resistor of a value that matches the output Impedance of the signal generator (usually about 60S) between pin tl and the center terminal (ground) of V2. The signal Is coupled to Pin 1 through C14. Connect a

5、series network composed of a 10K carbon resistor and a 500 MMF. capacitor from the Junction of L13 and L14 and ground as shown on schematic. The scope Is connected across the 500 MMF. capacitor. Use an Isolation transformer to prevent possible damage to the receiver or test equipment. VIDEO IF ALIGN

6、MENT DUMMY ANTENNA 100MMF. (C14) 100MMF. (C14) 100MMF. (C14) 100MMF. (C14) SIGNAL GENERATOR COUPLING High side to Plr #1 of the mixer (V2) through C14. Low side to center termi- nal of V2 socket SIGNAL GENERATOR FREQUENCY 24MC (10MC sweep MARKER GENERATOR FREQUENCY 21.6MC (Modulat- ed) 23MC 26. IMC

7、25.5MC CHANNEL Any Channel CONNECT SCOPE Vertical Input to Point . Low side to chassis. ADJUST Al A2.A3 A4,A5 REMARKS Adjust for minimum deflection. Adjust for placement of marker pip as shown In Fig. 1. Adjust so marker pip sets approximately half way up the slope as shown In Fie. 1. Check position

8、 of marker as shown In Fig. I. Maximum dip In center should not exceed 20%. CARE SHOULD BE TAKEN THAT ADJACENT COILS ARE NOT ADJUSTED TOO NEAR THE SAME FREQUENCY. SOUND IF ALIGNMENT DUMMY ANTENNA 100 MMF. (C14) 100 MMF. (C14) SIGNAL GENERATOR COUPLING High side to Pin #1 of the mixer (V2) thru 014.

9、Low side to center termi- nal of V2 socket SIGNAL GENERATOR FREQUENCY 21.6MC (600KC sweep) MARKER GENERATOR FREQUENCY 21 . SMC CHANNEL Any Channel CONNECT SCOPE Vertical input to Point . Low side to chassis. Vertical Input to Point ? . Low side to chassis. ADJUST AS,A7 A8 REMARKS Temporarily disconn

10、ect one end of stabilizer capacitor C8. Adjust for maximum amplitude with marker at peak of curve. See Fig. 2. Reconnect C8. Adjust for symmetrical pat- tern with marker at center of straight portion. See Fig. 3. ALTERNATE IF ALIGNMENT USING VTVM Disconnect C14 from Pin S of the RF Amplifier, VI. So

11、lder a carbon resistor of a value that matches the output Impedance of the signal generator (usually about 502) between Pin tl and the center terminal (ground) of V2. The signal Is coupled to Pin 1 through C14. Connect a series network composed of a 10KS2 carbon resistor and a .005 MFD. capacitor fr

12、om the Junction of LIB and C65 to ground. The VTVM Is connected across the .005 MFD. capacitor. Use an Isolation transformer to prevent possible damage to the receiver or test equipment. VIDEO IF ALIGNMENT DUMMY ANTENNA 100 MMF. (C14) 100 MMF. (C14) 100 MMF. (C14) SIGNAL GENERATOR COUPLING High side

13、 to Pin #1 of the mixer (V2) through C14. Low side to center terminal of V2 socket. SIGNAL GENERATOR FREQUENCY 21.6MC 32. SMC 25.8M3 CHANNEL Any Channel CONNECT VTVM DC probe to Point ffl . Common to chassis . ADJUST Al A2,A3 A4,AS REMARKS Adjust for minimum de- flection. Adjust for maximum de- flec

14、tion. Adjust RF Input to maintain VTVM reading at approximately one volt. Adjust for maximum output. SOUND IF ALIGNMENT DUMMY ANTENNA 100 MMF (C14) 100 MMF (C14) SIGNAL GENERATOR COUPLING High side to Pin tl of the mixer (V3) through C14. Low side to center terminal of V2 socket. SIGNAL GENERATOR FR

15、EQUENCY 21.6MC CHANNEL Any Channel CONNECT VTVM DC probe to Polnt. 4.7 me. 10002 56002 220K2 470K2 33002 4.7 Meg. 100K2 5.1 Meg. 100K2 47K2 3302 22K2 WATTS i i X X z 3 -L X J 4 T -L X 1 4 X i i i L 2 1 i s 1 i X X 4 4 i i i I 4 i 1 i 1 X 4 REPLACEM SILVERTONE PART No. C-9B-315-52 C-9B-315-31 C-9B-31

16、5-66 C-9B-315-63 C-9B-315-31 C-9B-315-11 C-9B-315-83 C-9B-316-76 C-9B-315-75 C-9B-315-66 C-9B-315-71 C-9B-315-47 C-9B-315-63 C-9B-315-11 C-9B-315-52 C-9B-315-10 C-9B-315-47 C-9B-315-63 C-9B-315-63 C-9B-315-52 C-9B-315-76 C-9B-315-49 C-9B-315-63 C-9B-315-73 C-9B-315-29 C-9B-315-83 C-9B-315-73 C-9B-31

17、5-31 C-9B-315-44 C-9B-316-73 C-9B-315-31 C-9B-315-44 C-9B-316-70 C-9B-315-31 C-9B-315-76 C-9B-315-27 C-9B-315-47 C-9B-315-63 C-9B-315-63 C-9B-315-50 C-9B-315-75 C-9B-315-75 C-9B-315-21 C-9B-315-37 C-9B-315-25 C-9B-315-90 C-9B-315-90 C-9B-315-55 C-9B-317-21 C-9B-315-29 C-9B-316-58 C-9B-315-23 C-9B-31

18、5-83 C-9B-315-31 C-9B-316-66 C-9B-315-31 C-9B-315-75 C-9B-315-75 C-9B-315-23 C-9B-315-23 C-9B-315-10 C-9B-315-35 C-9B-315-35 -C-9B-315-62 C-9B-315-71 C-9B-315-27 C-9B-315-29 C-9B-315-68 0-9B-315-35 C-9B-316-86 C-9B-316-86 C-9B-315-23 C-9B-315-21 NT DATA IRC PART No. BTS-1 Meg. BTS-2200 BTS-1200 BTS-

19、1 Meg. BTS-470 BTS-56K BTA-15K BTS-12K BTS-2200 BTS-5600 BTS-1200 BTS-470 BTS-4700 BTS-1200 BTS-1200 BTS-15K BTS-1200 . BTS-8200 BTS-470K BTS-56K BTS-8200 BTS-1 Meg. 3TA-8200 BTS-1 Meg. BTA-4700 BTS-1 Meg. BTS-15K BTS-220K . BTS-1200 BTS-1200 BTS-10K BTS-10K BTS-22K BTS-10 Meg. BTS-100K BTS-220K BTS

20、-220K BW-i-270 BT-2-22K BTS-470K BTA-470 BTS-47K BTS-56K BTS-1 Meg. BTA-2200 BTS-1 Meg. BTS-12K 3TS-12K BTS-47K BTS-47K BTS-4700 BTS-4.7 Meg. BTS-4.7 Meg. BTS-1000 BTS-5600 BTS-220K BTS-470K BTS-3300 BTS-4.7 Meg. BTA-100K BTS-5.1 Meg. BTA-100K BTS-47K BW-i-330 BTS-22K P A R T S L I S T A N D D E S C

21、 R I P T I O N C O N T I N U E D O N P A G E 8 . - RadioFans.CN PARTS LIST AND DESCRIPTIONS (Continued) Pi- cats (RF-IF) ITEM L L3 L4 L5 L6 L7 L8 L9 L10 Lll LI 2 L13 L14 L15 L16 L17 L18 L19 L20 L21 L22 USE Ant. Trans. RF Coll Osc. Coll RF Choke n n 1st Video IF 2nd 3rd Video IF )E, DTA. 4-3/4 VC IMP

22、. 3.42 VC DIA. 9/16 REPLACEMENT DATA SILVERTONE PART No. B-208-227 JENSEN PART No. ST-105 QUAM PART No. 5A15 INSTALLATION NOTES SELENIUM RECTIFIER ITEM No. Ml M2 M3 M4 RATING CURRENT 200 MA. 112 MA. 115 MA. REPLACEMENT DATA SILVERTONE PART No. A-8N-1154 A-8N-1457 A-8N-1154 A-8N-1457 NOTES MISCELLANE

23、OUS ITEM No. Mb M6 M7 Bl B3 PART NAME Fine Tuning Capacitor AC Receptacle Antenna Terminal Trimmer 1000MMF Cer. Trimmer 5-20MMF. Stand-Off Insu- lator Line Cord Cabinet Knobs Back Cover Safety Glass SILVERTONE PART No. A-8H-1073 A-19A-1418 A-7B-720 A-8F-1416 A-8F-1454 A-5F-1434 A-14A-963 D-212-205 A

24、-5B-1452 C-5C-1423 B-65A-1099 NOTES 2 Used High Voltage Adjustment Hor. Linearity Adjustment Used On Focus, Hor. Centering Controls o n O oo O D O m (3 00 C D T) CD O H O H. VERTICAL MULTIVIBRATOR V20 TO PICTURE TUBE SYNC SEPARATOR D.C. RESTORER VIO DET. VI7 7HNTAIHOR AMR VIQ BLOCK DIAGRAM Q m CD NO

25、ISIA3131 OC18 11QOW 3NO1H3A1IS RadioFans.CN VOLTAGE AND RESISTANCE MEASUREMENTS RESISTANCE READINGSVOLTAGE READINGS Item v V2 V 3 V * v * V 6 V 7 V V V 1 V V l2 v 3 V U V 15 V 16 V 17 V 8 V 19 V 5 V 2 V 22 V 23 V24 V25 Tube 6AG5 6AU6 604 6AG5 6AG5 6AU6 6AL5 6AU6 6BA6 6AU6 6BA6 12H6 12SQ7GT 6BA6 12A6

26、 6SN7GT 6AL5 6SN7GT 6SN7GT 6SN7GT 6SN7GT 6V6GT 1B3GT 6X4 Pin 1 1.5 Meg. 1 Meg. 20K2T 550KB 550K2 16KB 80002 1 Meg. 1 Meg. 1 Meg. OS 02 OS! 220K2 02 90K2 10 Mec. 5 Meg. 5 Meg. 45K2 5 Meg. INF. INF. 540! t Pin 2 02 OSi INF. 562 562 OS 55KB 02 OS! 16KB OS! 13S! 10 Meg. OS! 26S! 2200Siif 10 Meg. 11KS2T

27、INF. 60KS!t INF. OS! INF. INF. Pin 3 .IS! OS! .25! .IS! .IS! .IS! IS! .IS! .IS! .IS! .IS! INF. OS! .IS! SSOOSit OS! OS! . 1000S! OS! 47 OS! 22KS2 4002 T INF.- Iff. Pin 4 OS! .12 .IS! OS! OS! OS! OS! OS! OS! OS! OS! 12KS! OS! OS! 34002 T 1 Meg. ia 220KB* 320K2* 5 Meg. 500KS!* 1 Mep,-.# 390KS2 8500S!t

28、 INF. INF. Pin 5 5600S2T 3900S!t 20KSJT 600fl# 1300S!* HKSJt .2S2 8000B# 5000 AC Voltages measured at 1,000 ohms. 2. Socket connections are shown as bottom views. 3. Measured values are from socket pin to common negative unless otherwise stated. 4. Line voltage maintained at 117 volts for voltage re

29、adings. 5. Front panels controls set at maximum. 6. Where readings may vary according to the setting of the rear panel controls, both minimum and maximum readings are given. H3AI3D33 NOISIA3131 oci8 laaow RadioFans.CN s4lleJ PAGE 12 SCANNING CIRCUIT CHASSIS RadioFans.CN SILVERTONE MODEL 813O TELEVIS

30、ION RECEIVER LJ O CO CO RadioFans.CN PAGE 14 CHASSIS BOTTOM VIEW-CAPACITOR IDENTIFICATION RadioFans.CN DISASSEMBLY INSTRUCTIONS 1. Remove six knobs on rear of set. 2. Remove two screws on right hand side of back cover. 3. Remove back cover and Interlock. 4. Remove four nuts and bolts holding antenna

31、 terminal strips. 5. Remove four screws holding chassis to cabinet. 6. Remove six knobs on front panel. 7. Slide chassis out of cabinet. HIGH VOLTAGE OSC. ADJUSTMENT Using a. vacuum tube voltmeter or other low drain meter, Bl should be adjusted for approximately 5000 volts. The setting should be on

32、the high capacity side of resonance so that clockwise rotation of the capacitor causes the voltage to decrease. HORIZONTAL LOCKING ADJUSTMENT While receiving a picture or test pattern turn the contrast control down, or reduce the signal, until the picture falls out of synchronization. With the horiz

33、ontal hold control at the center of Its rotation, adjust B2 for horizontal synchronization. HORIZONTAL LINEARITY ADJUSTMENT B3 should be adjusted for best horizontal linearity on test pattern or cross hatch signal. ANTENNA TERMINALS CAUTION-HIGH VOLTAGE / I I L HORIZONTAL HORIZONTAL VERTICAL VERTICAL VERTICAL SIZE HOLD CENTERING CENTERING HOLD SIZE REAR PANEL CONTROLS PAGE 15 RadioFans.CN