Page 2 - CONTENTS
CONTENTS Specifications ................................................................................................................ 1 Safety Instruction ......................................................................................................... 2 Circuit block Diagram ...............
Page 3 - Specifications
1 Specifications TV Standard PAL/SECAM-B/G, D/K, I, H, NTSC-3.58/4.43 Mains Voltage 100~250V AC, 50/60Hz Power Consumption 14”Q = 69W, 14”T = 74W 20”Q = 79W, 20”T = 84W 21”Q = 79W, 21”T = 84W Sound output . 1 Speaker : 3W( at 80% MOD. 10% THD) . 2 Speaker : 4W + 4W( at 80% MOD. 10% THD) Speaker . 1 ...
Page 4 - Safety Instruction; X-RAY RADIATION PRECAUTION
2 Safety Instruction WARNING: Before servicing this chassis, read the “X-RAY RADIATION precaution”, “safetyprecaution” and “product safety notice” below. 1. Excessive high voltage can produce potentially hazardous X-RAY RADIATION.To avoid suchhazards, the high voltage must not exceed thespecified li...
Page 5 - Alignment Instructions
4 1. AFT 1.1 Standard B/G,D/K,I 1) Set a Signal Generator with - RF FREQUENCY = 38.9 MHz,- RF OUTPUT LEVEL = 80 5 dBuV - System = PAL / SECAM - B/G, D/K, I NTSC - 3.58/4.43 2) Connect the Signal Generator RF Output to P101 (Tuner IF Output). There must be no signal input to the tuner. 3) Press the “...
Page 8 - IC Description
7 IC Description DW370ASM* (Micro-controller for Non-Teletext Model) =TMS370C08A05 ( TI Type No.) (1) General Description The TMS370C08A05 devices are members of the cMCU370 family single-chip microcontrollers. The cMCU370 family provides cost effective real-time system control through use of the PR...
Page 32 - Horizontal synchronization and protection; Circuit Description
31 Vision IF amplifier, AFC, video demodulator The IF signal from the tuner is fed through a SAW filter to the differential IF input (pin 48 and 49). The first IF stage consists of 3 AC-coupled amplifiers with a total gain control range of over 66 dB.The reference carrier for the video demodulator i...
Page 35 - Base band delay line TDA4665
34 TDA8395 SECAM decoder The TDA8395 is an alignment-free SECAM colour decoder, including a Cloche filter, demodulator and line identification circuit. The Cloche filter is a gyrator-capacitor type. Its frequency is calibrated in the vertical retrace period.The calibration reference( pin 1 ) is obta...
Page 36 - TDA8356 vertical deflection.; Horizontal deflection
35 TDA8356 vertical deflection. The TDA8356 is a vertical deflection circuit.It can be used in 90 deflection systems with frame frequencies from 50 up to 120 HzWith its bridge configuration the deflection output can be DC coupled with few external components.Only a supply voltage for the scan and a ...
Page 37 - Video amplifiers
36 Video amplifiers Three TDA6106Q integrated video amplifiers drive cathode of the picture tube directly. They are protected against CRT flashover discharges and ESD (electro static discharge). The three video amplifiers, have a beam current output I black, used by the TDA8374 black current loop to...
Page 39 - Trouble Shooting Charts
40 Trouble Shooting Charts 1. NO RASTER CHECK MAIN B+(+123V/+110V) LINE NORMAL NORMAL NORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL NORMAL NORMAL NORMAL NORMAL CHECK / REPLACE I701 CHECK / REPLACE I802(TDA8138) I803(KA7808) CHECK / REPLACE D813 (BYV95C)D814 (BYV95C) ...
Page 46 - IC DC Voltage Charts
47 IC DC Voltage Charts • Input signal - Video : color BAR(PM5518)-PAL-Audio : 1khz sine wave • User’s control condition - Contrast, Brightness, Color, Volume(Normal condition) • Line Voltage - AC 220V, 50HZ • All the Voltage in each point are measured with multimeter • I701( µ -com) PIN NO 1 2 3 4 ...
Page 48 - Electrical Parts List
LOC. PART-CODE PART-NAME PART TYPE REMARK ZZ100 48B3228B04 TRANSMITTER REMOCON R-28B04 ZZ110 PTACPWA499 ACCESSORY AS DTC-14Q1VM M821 4858211400 POLY BAG P.E FILM T0.03X600X550 30 47P7500001 BATTERY AAM 1.5V 10000 48586A1617 MANUAL INSTRUCTION ALL ZZ120 PTBCSHA499 COVER BACK AS DTC-14Q1VM M211 485214...
Page 63 - Q / T Difference Part List
NO LOC PART NAME Q MODEL(1spk) T MODEL(2spk) 1 I601 IC AMP TDA 7056 TDA 1519B 2 I601A HEAT SINK 4857025400(A1050P-H24 T2) 4857026402(AL EX BK) 3 PA601 CONN AS YH025-03+YST025+ULW=200 YH025-03+YST025+ULW=300 4 PA602 CONN AS - YH025-03+YST025+ULW=600 5 SP01 SPEAKER 3W 16 Ω F2035C03-3 7.5W 8 Ω 95BF03LC...
Page 64 - CP-370 Inch Difference Part List
65 NO LOC PART NAME 14” MODEL 20” MODEL 21” MODEL REMARK 1 R407 R-CARBON 1/4W 82K 1/4W 68K 1/4W 68K ABL 2 C410 C-MYLAR 1.6KV 6900PF 1.6KV 7500PF J 1.6KV 6000PF H.V 3 C411 C-MYLAR 200V 0.33MF J 200V 0.36MF J 200V 0.3MF H.V 4 R415 R-FUSIBLE 1W 1.2OHM 1W 2.2OHM 1W 1.2OHM HEATER 5 R901 R-CARBON 1/6W 3K ...