Casio TV-600B Service Manual & Parts List Download Page 4

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ADJUSTMENT

LINEAR PCB

Items To Be Adjusted

Item

Measuring Instrument

VCC2 voltage setting

Voltmeter

Video detection coil adjustment

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

Summary of Contents for TV-600B

Page 1: ...t Linear 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 DECEMBER 1994 TV 600B ...

Page 2: ...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 ...

Page 3: ...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 ...

Page 4: ...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 ...

Page 5: ...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 ...

Page 6: ...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 Adjust Result Input Input Input Output Output Connection Point Signal Connection Point ...

Page 7: ...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 ...

Page 8: ...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...

Page 9: ...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 ...

Page 10: ... 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 ...

Page 11: ... 15 WIRING DIAGRAM TOP VIEWS 1 17 1 17 A D PCB Linear PCB ...

Page 12: ... 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 ...

Page 13: ...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 ...

Page 14: ...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 ...

Page 15: ... 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 ...

Page 16: ... 27 A D 11 12 TP6 ...

Page 17: ...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 ...

Page 18: ...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 ...

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