Emerson-571-606-611-612-619-620-624-627-Sams-76-11电路原理图.pdf
《Emerson-571-606-611-612-619-620-624-627-Sams-76-11电路原理图.pdf》由会员分享,可在线阅读,更多相关《Emerson-571-606-611-612-619-620-624-627-Sams-76-11电路原理图.pdf(26页珍藏版)》请在收音机爱好者资料库上搜索。
1、PHOTO FACT* Folder EMERSON MODELS 571, 6O6, 611, 612, 619, 62O, 624, 627 CONTRAST CONT. FINE TUNING VOL. CONT. ON-OFF SW. BRIGHTNESS HORIZ. HOLD VERT. HOLD CONT. CONT. CONT. CHANNEL SELECTOR TRADE NAMEEmerson Models 571 and 606 (Ch. 120086B), 606, 611, 612 and 624 (Ch. 120087B-D), 619 (Ch. 120092D),
2、 620 (Ch. 120091D), 620 (Ch. 120091QD), 627 (Ch. 120107B). MANUFACTURER Emerson Radio and Phono Corp., Ill Eighth Ave., New York 11, New York TYPE SET Television Receiver TUBES Twenty Eight (Models using 25Z6 Rectifiers) Twenty Three (Models using Selenium Rectifiers) POWER SUPPLY 105-125 Volts AC 6
3、0 Cycle FREQ. RANGE Channels 2 thru 13 RATING: 1.66 Amp. 117 Volts AC (Selenium Rect. Models). Alignment Instructions Block Diagram Horizontal Oscillator Adjustments Parts List and Description Photographs Cabinet-Rear View Capacitor Identification Chassis-Top View RF Tuner 470452-S RF Tuner 470320 I
4、NDEX 7,8,9,10 Photographs (continued) 17 RF Tuner 470233 14 24 Resistor Identification 16,21 18,19,20 Trans., Inductor and Alignment Identification 4,13 24 Schematic (Main) 2 15,22 Schematic and Parts List (Tuner 470320) 6 3,17 Schematic and Parts List (Tuner 470233) 23 10 Tube Placement Chart 5 11
5、Voltage and Resistance Measurements 12 HOWARD W. SAMS 87.75MC 77.25M2 81.75MC 67 . 25MC 71.75MC 61.25MC 65.75MC bb.25MC 59.75MD CHANNEL 13 7 8 9 10 11 12 6 5 4 3 2 CONNECT SCOPE Vert. top. to Polnt Low side to chassis. ADJUST A301-, A302, A303, A304 A305, A306 A307, A308, A309, A310 REMARKS Adjust f
6、or approximately response shown In Fig 9 with markers appear- ing at more than 70% of peak ampli- tude. Keep RF and mixer trimmer pairs in approximately same relative position. Adjust rings for wave form as per Tig 9. Check response on all high- band channels . SLIGHT adjustments of A301, A302, A303
7、, A304, A305 and A306 may be required to obtain op- timum response on all channels. Adjust for approximate response as shown In Fig 9. Check response on all low band channels. SLIGHT adjustments of A307, A308, A309 and A310 may be necessary to obtain optimum res- ponse on all channels. PAGE 8 RadioF
8、ans.CN 14. 15. 16. 10. 11. 12, 13 OSCILLATOR ALIGNMENT (TUNER NO. 470320) Fine tuning control should be set at the mid position of its range. DUMMY ANTENNA Two 1502 carbon res. ti SWEEP GENERATOR COUPLING To antenna termin- als with 1502 In each lead. SWEEP GENERATOR FREQUENCY 216MC (10MC Sweep ) 88
9、MC (10MC Sweep) 82MC (10MC Sweep) 721* (10MB Sweep) 66MC (10MC Sweep) 60MC (lOrK Sweep) 210MC (10MC Sweep) 204MC (lOrK Sweep) 19811; (10MC Sweep) 192MC (10MC Sweep) 186M3 (10MC Sweep) 180MC (10MC Sweep ) MARKER GENERATOR FREQUENCY 25.P5MC 25.75MO 25.751E CHANNEL 13 6 5 4 5 2 12 11 10 9 8 7 CONNECT V
10、TVM C Probe to Point Common to ssis. ADJUST A311 A312 REMARKS Adjust for zero reading. Check to see that all other channels are received well within the range or the fine tuning control. If not, compromise may be made using A311 for high channels and A312 for low channels . RF AND MIXER ALIGNMENT (T
11、UNER NO. 470233) It is recommended that the RF and Mixer circuits not be aligned unless definitely known to be out of adjustment and then only if proper test equipment Is available. The sweep generator output lead should be terminated with Its characteristic Impedance, usually 50 ohms. Keep the RF a
12、nd Mixer slug pairs at approximately the same relative position. DUMMY ANTENNA Two 120S2 carbon res . SWEEP GENERATOR COUPLING Across antenna ter- minals with 120S2 In each lead. ti SWEEP GENERATOR FREQUENCY 213MC (10MC Sweep) 207MC (10MC Sweep) 201MC (10MC Sweep) 195MC (10MC Sweep) 189MC (10MC Swee
13、p) 183MC (10MC Sweep) 177MC (10MC Sweep) 85MC (10I1C Sweep ) 79MC (10MC Sweep) 69MC (10IC Sweep) 63MC (10MC SweepJ 57MC (10MC Sweep) MARKER GENERATOR FREQUENCY 211.25MC S15.75MC 205.25MC 809.75MC 199.25MC 203.75MC 193.25MC 197.75MC 187.25MC 191.75MC 181.25MC 185.75MC 175.25MC 179.75MC 83.25MO 87.75M
14、C 77.25MC 81.75MC 67.25MC 71.75MC 61.25MC 65.75MC 55.25MC 59.75MC CHANNEL 13 12 11 10 9 8 7 6 5 4 3 2 CONNECT SCOPE Vert . Amp . thru 10K52 to Polnt Low side to chas- sis. ADJUST A601, A602, A603, A604 A605, A606, A607, A608 REMARKS Adjust for response curve as per Fig 9 with markers above t m PC o
15、ui 10 M FIG. 9 PAGE 9 RadioFans.CN OSCILLATOR ALIGNMENT (TUNfcK NO. 470233) 14. 15. it,. 17. 18. 19. 20. 21 23. 34. 25, Set the fine tuning control approximately 140 from Its fully counter-clockwise position. This aliens the holes In drive disc with the adjustment screws on the oscillator wafer of t
16、he channel switch. Do not change this setting during oscillator alignment. DUMMY ANTENNA rwo 120S2 carbon res . it it SWEEP GENERATOR COUPLING Across antenna ter- minals with 120S2 In each lead. w it SWEEP GENERATOR FREQUENCY 216MC (10M3 Sweep ) 210MC done Sweep) 204MC (10MC Sweep) 198I1C (10MC Swee
17、p) 192MC (10N3 Sweep) 186MC (10MC Swe ep ) 180MC (10MC Sweep) 88MC (10MC Sweep) 82M3 (10MC Sweep) 72IC (10MC Sweep) 66MC (10MC Sweep) 60110 (10MC Sweep) MARKER GENERATOR FREQUENCY 25.75M3 ; CHANNEL 13 12 11 10 9 8 7 6 4 Z Z CONNECT VTVM f Probe to Point Common to assls. tt ADJUST A609, A610 A611 A61
18、2 A613 A614 A615 A616 A617, A618 A619 A620 A621 A622 REMARKS Adjust for zero reading. A positive and negative reading will be obtain- ed on either side of the correct setting. Keep oscillator slug pairs at approximately the same relative position. Adjust for zero reading as outlined on step 14. Adju
19、st for zero reading as outlined In step 14. Keep oscillator slug pairs at approximately the same relative position. Adjust for zero reaoing as outllnec In step 14. n RF TUNER PAGE 10 RadioFans.CN RF TUNER-LF.FT SIDE RF TUNER-RIGHT SIDE PAGE 11 RadioFans.CN o VOLTAGE AND RESISTANCE MEASUREMENTS VOLTA
20、GE READINGS RESISTANCE READINGS Item V 1 V 2 V 4 V 5 V6 V7 V8 V9 V 10 V I 1 V12 V 13 V 14 V15 V16 V 17 V18 V19 V20 V21 V22 V28 V29 V30 Tube 6AG5 6J6 6AG5 6AG5 6AU6 6AL5 6AU6 12AU7 6BA6 6AU6 6S8GT 6V60T 12AU7 6SN70T 6SN7GT 6K6GT 6AL5 6SN7GT 6B06R 5V4G 1B3GT 10BP4 Pin 1 -.4VDC 70VDC -.4VDC - . 4VDC 0V
21、 0V -.2VDC 225VDC 0V -.4VDC -.4VDC 0V 100VDO #.2VDC -135VDC 0V #-9VDC I-50VDC 0V 0V Pin 2 ov 105VDC .5VDO .3VDC OV -.4VDC 2VDC -1.4VDC OV OV OV OV -1.5VDC *240VDC -75VDC -220VDC OV I-.9VDC *260VDC OV 270VDC Pin 3 6.3VAC 6.3VAC OV OV OV OV OV OV OV OV -.9VDC 16SVDO OV I9.6VDC -OV -205VDC OV *OV -BVDC
22、 ov Pin 4 OV OV 6.3VAC S.3VAO 6.3VAC 6.3VAC S.3VAC OV 6.3VAC 6.3VAC -.5VDC 150VDO OV I-.2VDC -135VDC 205VDC 6.3VAC *-50VDC OV 175VDC Pin 5 87VDO -1.9VDC 120VDC 130VDC 160VDC OV 125VDC OV 115VDC 12SVDC -.2VDC -2.4VDC OV M7.5VDC 280VDC -14VDC *-1.2VDC I260VDC -19VDC OV Pin 6 87VDC S-3.4VDC 120VDC 120V
23、DC 160VDC OV 125VDC 42VDC 125VDC 41VDC 75VDC -8.4VDC 45VDC I.8VDC -OV -5VDO -60VDC lov *OV OV 175VDC Pin 7 OV OV .5VDC .3VDC 1.6VDC -.3VDC 2VDC OV 1.2VDC OV 6.3VAC 6.3VAC -.7VDC 6.3VAC 6.3VAC 6.3VAC I-1.3VDC 6.3VAC 6.3VAC OV Pin 8 3.5VDO OV OV OV OV OV -5VDC -60VDC OV -240VDC 270VDC Pin 9 6.3VAC TOP
24、 CAP -.6VDC 6.3VAC TOP CAP * DO NOT MEASURE 0V2.7VDC PIN 10 240VDC PIN 11 130VDC PIN 12 6.3VAC Item V 1 V 2 V 4 V 5 V 6 V7 V 8 V9 V 10 V 1 1 V 12 V13 V 14 V 15 V16 V 17 V 18 V 19 V20 V21 V22 V2S V29 V30 Tube 6AG5 6J6 6AG5 SAGS 6AU6 6AL5 6AU6 12AU7 6BAS 6AU6 6S8GT 6V6GT 12AU7 6SN7GT 6SN7GT 6K6GT 6AL5
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Emerson-571-606-611-612-619-620-624-627-Sams-76-11 电路原理图 Emerson 571 606 611 612 619 620 624 627 Sams
链接地址:http://www.radiofans.cn/p-173520.html