Memorex MT2024 Manuel de service

21” Colour Television SERVICE MANUAL Haier model: 21F7A-P Customer model:MT2024 PDF 文件使用 "pdfFactory

10 6. Test point Waveforms 7. IC voltages TDA8377 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 V 0 3.8 3.6 3.3 3.5 4

11 8. PURITY / CONVERGENCE ADJUSTMENT PURITY ADJUSTMENT 1. Demagnetize CRT with the demagnetizer. 2. Loosen the retainer screw of the deflection

12 STATIC CONVERGENCE ADJUSTMENT 1. Input a crosshatch signal. 2. Using 4-pole convergence magnets overlap the red and blue lines in the center o

13 10. List of Parts PART NUMBER LOCATION DESCRIPTION QTY 0090402207 AV WIRE TJC3-8Y-6Y-650 1 0090402478 POWER WIRE 1 0090101284 N301B

14 0094200098 C414 PLASRIC FILM CAPACITOR CL21X-400V-104-J-07-A-A 1 0094200099 C227 PLASRIC FILM CAPACITOR CBB13-50V-104-J-07-A-A 1 00942017

15 0094102168 R511 OXIDATION FILM RESISTOR RY17-2W-18KΩ-J-20-D 1 0094102168 R521 OXIDATION FILM RESISTOR RY17-2W-18KΩ-J-20-D 1 0094102168 R

16 0094100029 R211 CARBON FILM RESISTOR RT13-1/6W-4.7K-J------T 1 0094100029 R212 CARBON FILM RESISTOR RT13-1/6W-4.7K-J------T 1 0094101328

17 0094100132 R254 CARBON FILM RESISTOR RT13-1/6W-180Ω-J--T52 1 0094100020 R264 CARBON FILM RESISTOR RT13-1/6W-470Ω-J--T52 1 0094101595 R80

18 0094200095 C401 PLASRIC FILM CAPACITOR CL21X-100V-103-J------F 1 0094200097 C413 PLASRIC FILM CAPACITOR CL23B-400V-472-J------F 1 0094201

19 0094400056 VD405 DIODE TTVR10G------T 1 0094400059 VD810 DIODE TERB4304------T 1 0094400615 DZ808 DIODE MTZJ3.9B------T 1 0094400616

. 2 CONTENTS 1. Safety precautions……………………………………………………………..……………3 2. TV block diagram……………………………………………………………………..…….4 3. Replacement of memory IC……

20 0094400577 V512 TRANSISTOR BF421 1 0094400577 V522 TRANSISTOR BF421 1 0094400577 V532 TRANSISTOR BF421 1 0094400049 VD816 DIODE 1N

21 0090100008 EY42 RIVET φ1.6*3.0 1 0090100008 EY43 RIVET φ1.6*3.0 1 0090100008 EY44 RIVET φ1.6*3.0 1 0090100008 EY45 RIVET φ1.6*3.0

22 0094101552 L305 WIRE φ0.58mm/5mm------B 1 0094101552 W304 WIRE φ0.58mm/5mm------B 1 0094101552 R101 WIRE φ0.58mm/5mm------B 1 0094101

23 0094101552 R232 WIRE φ0.58mm/7.5mm------B 1 0094101552 R405 WIRE φ0.58mm/7.5mm------B 1 0094101552 R719 WIRE φ0.58mm/7.5mm------B 1 0

24 0094101552 F802 WIRE φ0.58mm/15mm------B 1 0094101552 W810 WIRE φ0.58mm/17.5mm------B 1 0094101552 W827 WIRE φ0.58mm/17.5mm------B 1

25 -F 0094500021 LD02 FIXED INDUCTOR LGA0203-100-K------T 1 0091801996 PCB 0091801996 V1.0 1 0094100074 R14 CARBON FILM RESISTOR RT13-1/

26 0090207744 BACK-COVER MTAA2110AC--Q 1 0090600015 SCREW SJ2824-87 ST4*12F 3 0090506507 CARTON 1 0090506312 PACKING BAG FOR USER

日期日期签 名签 名签 名数量数量数量更改单号 更改单号 更改单号拟 制审 核标准化 等级标记 第 张共 张：：：更改标记更改标记更改标记批 准制图 描图 幅面日期签 名旧底图总号底图总号(3)格式电路原理图W90DL-206---QW90DL-206--Q50V-4.7µFC23363V

. 3 1. SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many circuits and components especially for safety purposes. For

. 4 2. Block diagram TDA8377PS/N2 series with mono intercarrier sound demodulator PDF 文件使用 "pdfFactory Pro" 试用版本创建 w

5 3. REPLACEMENT OF MEMORY IC 1. MEMORY IC. This TV uses memory IC. In the memory IC are memorized data for correctly operating the video and defle

6 Adjustable Items Direct access key Items Description Preset Remark “1” 5/6HSH Horizontal shift ON A “2” 5/6VSL Vertical slop

7 2. OP2 Bit Function Description Preset Remark Bit 7 Ident sensitive PAL 1=21dBμV 0=26dBμV 0 EA Bit 6 TILT 1=Enable 0 EA Bit 5 OSO 1

8 5. ICs functional description 1. N501 UOC TDA8377 SYMBOL PIN DESCRIPTION STAND BY output. 1 In STAND BY mode, low level (Power OFF). For Po

9 RESET 60 Ground VDDP 61 Digital supply to periphery (+3.3 V) P1.0/INT1 62 AV1 / AV2 mode Output. P1.1/T0 63 AV /S-VHS mode Output. P1.2/IN