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PRINTED CIRCUIT BOARDS

TOP VIEWS

Linear

BL

T950

C925

C927

L950

Q950

Q951

R950

507BL

1

DB –

DB –

DB –

CN700

+

+

C110

C105

T100

+

C112

C100

+

+

C115

L101

C114

+

+

C113

T201

T200

C210

R223

L102

+

R222

+

F202

C208

FU100

D180

JK100

DB +

DB +

C244

+

C207

F201

SW100

C305

F200

L202

+

C309

+

H300

C340

C345

R310

C348

R322

R326

R346

R336

R335

C291

R247

C290

R133

TU200

C202

+

JK200

Содержание KX-507G

Страница 1: ...r PCB 5 A D PCB 9 Troubleshooting 10 Printed Circuit Boards 11 Wiring Diagram 15 Exploded View Disassembly 16 Electrical Parts List 17 Mechanical Parts List 23 IC and Transistor Lead Identification 24 Schematic Diagrams and Waveforms 26 POCKET TELEVISION MARCH 1995 TV 600G H KX 507G H INDEX ...

Страница 2: ...daptor ADK 65 64 Earphone jack 3 5ø mini 7 Connection terminals External power jack 6 0V DC IN External antenna jack 3 5ø mini Audio Video jack 3 5ø 8 Screen size 2 2 inches 9 No of Picture element 39 600 110 360 dots 10 Dimensions 81 W 32 D 131 H mm 3 1 5 W 1 1 4 D 5 1 6 H 11 Weight 220 g excepting batteries 7 8 oz excepting batteries 12 Standard accessories Test batteries R6 4 AC adaptor AD K65 ...

Страница 3: ...nd Det FM Det AFT AGC IC200 M51348FP Eliminates the carrier wave in the video IF signal and picks up the video signal and the sound IF signal Also the sound signal is picked up from the sound IF signal by FM detection 4 Audio Amp IC600 NJM2070M Sound amplification 5 Chroma Circuit IC300 M52042FP Generates the tricolor red green and blue from the video signal 6 Osc A D Converter Display Control Aut...

Страница 4: ...generates the DC tuning voltage BT for selecting a channel with a TU pulse being output from IC700 IC500 has 3 circuits for converting pulses to voltages it selects one of VHF L VHF H or UHF and causes the tuning voltage to be output from the OUT terminal pin 12 Figure 2 and Table 1 show the conditions for selection IC500 TU OUT BT U V H L VHF H UHF VHF L 11 9 10 12 U V L L H H H L L H L H Inputs ...

Страница 5: ...0 C112 C135 R102 CP100 VCC1 1 CP109 CP108 CP110 GND CP104 4 VCC6 CP107 D152 POWER SUPPLY Figure 3 Name Voltage Function VCC2 3 95 0 02 V Main voltage VCC6 30 5 39 0 V Tuning voltage VCC7 53 5 72 5 V Tuning voltage Display voltage VEE1 6 3 7 9 V Display voltage The power supply consists of a DC DC converter and causes the voltages to be output as shown in Table 2 Table 2 ...

Страница 6: ...justment TV signal generator pattern generator oscilloscope low pass filter AFT coil adjustment Sweep generator oscilloscope voltmeter Contrast adjustment TV signal generator pattern generator oscilloscope AGC adjustment TV signal generator pattern generator IF levelmeter Adjustment And Test Point Locations Top View T201 T200 ...

Страница 7: ...iew TP5 VR300 TP7 TP1 VR100 VR200 TP3 TP4 TP2 PadIF VCC2 Voltage Setting Input Input Input Output Output Connection Point Signal Connection Point Adjust Result Adjust for 3 95 0 02 V reading on voltmeter Voltmeter VR100 Set Output Voltmeter TP1 TP1 TV 600 ...

Страница 8: ...dle of S curve on oscil loscope Sweep generator Set Oscilloscope Voltmeter Output Input Desolder the IF pad to open TP2 TP4 AFT Coil Adjustment Pattern generator Signal generator TP2 T200 TP3 Low pass filter Oscilloscope Color bar 45 75 MHz 40 3 dBµ Adjust for DC level at mini Input Input Input Output Output Connection Point Signal Connection Point Adjust Result Desolder the IF pad to open Signal ...

Страница 9: ...t IF levelmeter TP2 TP7 TV 600 Pattern generator TV signal generator TP7 VR200 IF levelmeter TP2 Input Input Input Output Output Connection Point Signal Connection Point Color bar 65 5 dBµ Adjust for 84 2 dBµ reading on the IF levelmeter Short the IF pads Adjust Result ...

Страница 10: ...strument Clock adjustment Voltmeter TOP VIEW TP6 VR700 Clock Adjustment Voltmeter VR700 TP6 Equipment Connection Procedure Adjust for 2 05 0 05 V read ing on voltmeter Set Output Voltmeter TP6 TV 600 Input Input Input Output Output Connection Point Signal Connection Point Adjust Result ...

Страница 11: ... Defective Q200 Replace Defective IC200 Replace Defective IC300 Replace Defective IC500 Replace Defective IC700 Replace Defective F201 ceramic discriminator Replace Defective IC200 Replace Defective IC700 Replace Defective phone jack JK600 Replace Defective tuner TU200 Replace Defective IC500 Replace Defective power switch SW100 Replace No reception of VHF or UHF No picture and no sound ...

Страница 12: ...50 Q951 R950 507BL 1 DB DB DB CN700 C110 C105 T100 C112 C100 C115 L101 C114 C113 T201 T200 C210 R223 L102 R222 F202 C208 FU100 D180 JK100 DB DB C244 C207 F201 SW100 C305 F200 L202 C309 H300 C340 C345 R310 C348 R322 R326 R346 R336 R335 C291 R247 C290 R133 TU200 C202 JK200 ...

Страница 13: ...P207 CP210 CP209 R224 CP208 CP204 CP203 C234 CP541 R545 C545 C235 R541 R550 CP500 R502 R501 C135 R101 R117 C140 R111 CP110 Q111 CP542 CP322 CP320 CP235 CP236 CP108 CP104 CP100 CP107 CP206 CP221 R201 C233 R207 R202 C236 R203 R205 R305 CP340 CP330 R208 R209 C245 C263 C261 C264 CP240 R230 R229 C257 CP211 CP245 R331 C350 R325 C246 CP224 CP590 CP109 C145 BOTTOM VIEWS Linear BL HP903 HP902 FU900 FU901 H...

Страница 14: ...2 Q801 C836 R816 Q800 R809 D800 R833 Q805 D805 R830 Q806 Q804 R825 R824 R845 C841 D803 C840 R820 R726 R725 SW700 UP SW701 DOWN IC700 R700 R803 R704 R611 C642 C630 C755 C756 C760 R730 D705 L705 VR700 D707 17 HP700 R710 R706 R707 R610 R733 C758 R606 R607 R645 R738 IC701 TOP VIEW A D ...

Страница 15: ... A D STB D4 D5 V4 CDB2 VC CNB2 V0 CFB2 VCC2 8 V3 D6 D3 D2 D1 SNB CK2 CK1 PD GND2 VR600 VR800 GND1 R615 C740 C741 D700 D701 C761 C734 IC600 JK600 C742 C750 C751 R719 C635 R641 BL BL SP SP C765 C603 C606 C806 C808 C800 ...

Страница 16: ... 15 WIRING DIAGRAM TOP VIEWS 1 17 1 17 A D PCB Linear PCB ...

Страница 17: ... 16 EXPLODED VIEW DISASSEMBLY 18 16 19 17 14 15 20 11 12 9 7 8 10 13 7 8 5 12 1 12 2 15 1 15 2 15 3 8 1 8 2 8 3 8 4 8 2 6 3 1 3 4 5 6 2 7 7 6 5 6 6 6 7 6 8 6 9 6 10 2 1 2 2 6 1 6 2 6 4 ...

Страница 18: ...itor GR40Y5V103Z50PT 1 1 20 9 C C244 2895 1099 Tantalum capacitor ECST1CY225R 1 1 20 21 C C245 2892 0229 Chip capacitor GR40W5R103K25PT 1 1 20 12 C C246 2892 0059 Chip capacitor GR40Y5V103Z50PT 1 1 20 9 C C249 2892 0844 Chip capacitor GR42 6Y5V474Z16PT 1 1 20 27 C C257 2892 0407 Chip capacitor GR40CH270J50PT 1 1 20 10 C C259 2897 0539 Chip capacitor GR40W5R223K50PT 1 1 20 12 C C261 2892 0890 Chip ...

Страница 19: ...1A R TX 1 1 20 22 C Q111 2253 0308 Chip transistor 2SD1119 R TX 1 1 10 37 C Q200 2252 0707 Chip transistor 2SC4238 TX 1 1 20 17 C Q300 2210 8026 Chip transistor 2SB709A R TX 1 1 20 23 C Resistors R101 2791 1595 Chip resistor ERJ 6GEYJ153V 1 1 20 4 C R111 2791 0815 Chip resistor ERJ 6GEYJ102V 1 1 20 5 C R115 2791 2117 Chip resistor ERJ 6GEYJ820V 1 1 20 4 C R117 2791 0696 Chip resistor ERJ 6GEYJ470V...

Страница 20: ...YJ563V 1 1 20 3 C R500 2791 0777 Chip resistor ERJ 6GEYJ104V 1 1 20 5 C R501 2791 0769 Chip resistor ERJ 6GEYJ563V 1 1 20 3 C R502 2791 1919 Chip resistor ERJ 6GEYJ274V 1 1 20 3 C R541 2791 0750 Chip resistor ERJ 6GEYJ223V 1 1 20 6 C R545 2791 1579 Chip resistor ERJ 6GEYJ474V 1 1 20 4 C R550 2791 0815 Chip resistor ERJ 6GEYJ102V 1 1 20 5 C Switch SW100 3412 0798 Slide switch ESD 11H231 1 1 10 47 C...

Страница 21: ...rolytic capacitor 50RV2 3R3 T 1 1 20 18 C C808 2807 6735 Chip electrolytic capacitor 50RV2 2R2 T 1 1 20 18 C C830 2897 2114 Chip capacitor EMK212F105Z T 1 1 20 10 C C835 2892 0016 Chip capacitor GR40W5R102K50PT 1 1 20 11 C C836 2892 0040 Chip capacitor GR40Y5V104Z25PT 1 1 20 14 C C840 2897 0021 Chip capacitor GR40Y5V683Z50PT 1 1 20 27 C C841 2845 5089 Chip capacitor UMK316F474Z T 1 1 20 12 C C845 ...

Страница 22: ...V 1 1 20 3 C R733 2791 0777 Chip resistor ERJ 6GEYJ104V 1 1 20 5 C R738 2791 2052 Chip resistor ERJ 6GEYJ224V 1 1 20 3 C R740 2791 1633 Chip resistor ERJ 6GEYJ123V 1 1 20 3 C R800 2791 1390 Chip resistor ERJ 6GEYJ473V 1 1 20 5 C R803 2791 0815 Chip resistor ERJ 6GEYJ102V 1 1 20 5 C R808 2791 0599 Chip resistor ERJ 6GEYJ822V 1 1 20 5 C R809 2791 1595 Chip resistor ERJ 6GEYJ153V 1 1 20 4 C R810 2791...

Страница 23: ...7 B FU901 3632 0308 Temperature fuse EYP 1BF102L 1 1 20 27 B Coil L950 3013 0756 Choke coil RCH 875 101K 1 1 5 55 C Lamp LA900 3851 1085 Fluorescent lamp 8 67AC1P2 C 1 1 1 350 C Transistors Q950 2253 0287 Chip transistor 2SD965 R 1 1 10 37 C Q951 2253 0287 Chip transistor 2SD965 R 1 1 10 37 C Resistor R950 2609 0266 Carbon film resistor ERD S2TJ821A 1 1 20 2 C Transformer T950 3012 0574 Inverter N...

Страница 24: ...84 BL unit K311715 1 1 1 1 1 900 B 8 1 3851 1085 Fluorescent lamp 8 67AC1P2 C 1 1 1 350 C 8 2 3632 0308 Temperature fuse EYP 1BF102L 2 2 20 27 B 8 3 6607 0690 Insulation sheet D K508 K410441 3 1 1 20 7 X 8 4 6609 2730 Shield case C K507 K311573 1 1 1 10 50 X 8 5 6603 9090 Insulation sheet A K310 K4728 8 1 1 20 6 X 9 6601 1700 Felt A K60 K4117 3 1 1 20 3 X 10 6609 2851 Reflector K507 K412080A 1 1 1...

Страница 25: ...2 13 AUDIO VIDEO 1 24 VCC SY IN 2 23 VCXO OUT ACCF 3 22 Fsc SY OUT 4 21 VCXO IN HDIN 5 20 COLOR Y CLAMP 6 19 TINT Y LPF 7 18 KILLER RF Y OUT 8 17 APCF CONT 9 16 SW R 10 15 KILLER OUT G 11 14 PIX B 12 13 GND IC AND TRANSISTOR LEAD IDENTIFICATION IC LSI Vref 1 16 VCC U1 2 15 BS U2 3 14 BT VL1 4 13 IN VL2 5 12 OUT VH1 6 11 TU VH2 7 10 H L GND 8 9 U V IC500 MSC1169MS K NC 1 8 NC IN 2 7 VCC IN 3 6 OUT ...

Страница 26: ...5 TE4 TE3 TE2 TE1 VSS2 CK1 ECB STB SCB CNB CFB CDB SNB D6 D5 D4 D3 D2 D1 14 13 12 11 10 9 8 7 6 5 4 3 2 1 KDB KCB AVB UHF VLB TU MTB VDD1 HDB C S PD OSC2 OSC1 CK2 28 27 26 25 24 23 22 21 20 19 18 17 16 15 AD2 AD1 B G R RLL VDD2 RHH M7 M8 M9 M10 PS1 VSS1 43 44 45 46 47 48 49 50 51 52 53 54 55 56 29 30 31 32 33 34 35 36 37 38 39 40 41 42 M11 ...

Страница 27: ... IF TP5 TP7 BU BS BV BM VHF L VHF H UHF 4 0 21 3 8 3 8 0 0 3 8 3 8 3 8 0 0 3 8 3 1 1 9 1 9 1 9 3 6 0 9 1 7 0 8 1 1 2 9 2 9 1 8 2 9 3 8 3 1 3 1 3 7 1 4 1 4 33 7 21 0 0 22 8 1 6 1 7 2 1 2 8 0 0 3 8 3 5 2 9 4 7 2 9 3 8 1 7 2 9 3 3 1 4 3 5 1 9 0 4 2 5 2 5 0 7 0 4 2 9 2 6 1 4 1 4 1 4 1 4 ...

Страница 28: ... 27 A D 11 12 TP6 ...

Страница 29: ...ND C925 T950 NT 01 CP900 Vcc9 TF50VO 18 HP950 fromAD 1 2 3 4 5 Vcc1 1 HP901 HP903 FU900 102deg FU901 102deg HP900 HP902 HP906 12 L950 CK 100u R950 820 Q950 2SD965 R Q951 2SD965 R C927 HP905 LA900 2inch ST 10 150p CP990 BL ...

Страница 30: ...14 V 2 2 V 3 0 V 1 1 V 112 mV 1 Q200 Collector 4 IC300 Pin 23 7 IC300 Pin 4 0 Q111 Base A IC700 Pin 16 B IC700 Pin 14 8 IC300 Pin 1 9 Q111 Collector 5 IC300 Pins 10 11 12 6 IC300 Pin 5 0 24 µs 63 5 µs 63 5 µs 5 2 µs 130 ns 420 ns 63 5 µs 5 2 µs 63 5 µs 2 IC200 Pin 19 3 IC200 Pin 18 ...

Страница 31: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 ...

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