Kenwood KTC-V300N Service Manual Download

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TV TUNER

KTC-V300E/V300N

/V300P

SERVICE MANUAL

This product uses Lead Free solder.

CLEANER

100

KTC-V300E

4-C

DIV

SITY

NITO

TV A

NTE

A IN

Metallic cabinet
(A01-4405-02): KTC-V300E
(A01-4409-02): KTC-V300N
(A01-4410-02): KTC-V300P

Electric circuit module
(W02-5186-05)

Antenna element assy
(T90-0573-05)

Cord with plug (3m)
(E30-6541-05)

Mounting hardware
(J22-0054-14)

Screw set
(N99-1753-05)

Antenna cord (L 5.5m)
(W02-5207-08)

Cleaner assy
(W01-1644-08)

Antenna cord (R 4m)
(W02-5206-08)

Antenna element (L)
(T90-0575-08)

Antenna element (R)
(T90-0576-08)

Summary of Contents for KTC-V300N

Page 1: ...R TV ANTENNA INPUT Metallic cabinet A01 4405 02 KTC V300E A01 4409 02 KTC V300N A01 4410 02 KTC V300P Electric circuit module W02 5186 05 Antenna element assy T90 0573 05 Cord with plug 3m E30 6541 05 Mounting hardware J22 0054 14 Screw set N99 1753 05 Antenna cord L 5 5m W02 5207 08 Cleaner assy W01 1644 08 Antenna cord R 4m W02 5206 08 Antenna element L T90 0575 08 Antenna element R T90 0576 08 ...

Page 2: ...MIX DEMODULATOR DEMODULATOR FM NTSC B G D K I SDA SCL RGB SW MATRIX SECAM DECODER SYNC R G B SCL SDA P ON X TAL POWER SUPPLY 10 7MHz 30 55MHz 22 7MHz 21 7MHz 22 2MHz EM TYPE EM TYPE EM TYPE K TYPE TV TUNER PACK ANTENNA SW 1 2ATT ATT CANCELLER NOISE AMP LPF 2st 75 MUTE 6dB ATT 8 9dB 75 MUTE 6dB R G B COMPOSIT VIDEO R L IC402 IC501 IC502 IC401 IC403 DE EMPHASIS CR LPF IC301 IF AMP SAW FILTER E TYPE ...

Page 3: ... IC603 5V REG Supplies power to Front end IC604 5V REG Supplies power to IC201 and VIDEO circuit IC606 8V REG Supplies power to RGB decorder IC607 9V REG Supplies power to Antenna AMP Q101 RESET SWITCH Reset control Q201 IF AMPLIFIER Amplifies IF Q301 BUFFER Buffers video signal Q302 BUFFER Buffers video signal Q303 VIDEO AMPLIFIER Amplifies H sync signal Q304 INVERTER Inverters H sync pluse Q305 ...

Page 4: ... I Clock detection 26 28 NC O NC 29 SCL I O IIC BUS clock IIC BUS compliance agreement 30 SDA I O IIC BUS data IIC BUS compliance agreement 31 SCDATA O Communication data output between main units 31 TXD O For flash write 32 MCDATA I Communication data input between main units 32 RXD I For flash write 33 BPCLK I Communication clock input between main units 33 SCLK I For flash write 34 SC_REQ O Mai...

Page 5: ...61 NC O NC 62 VCC2 63 NC O NC 64 VSS 65 73 NC O NC 74 ST I Stereo Monoral detection L Stereo H Monoral 75 BIL I Bilingual broadcasting detection L Bilingual 76 MS O Bilingual broadcasting switch When receiving bilingual broadcasting H MAIN MAIN L SUB SUB 77 78 NC O NC 79 TYPE1 I Selecting destination 80 TYPE2 I Selecting destination 81 P ON O Power on command output H POWER ON 82 95 NC O NC 96 AVS...

Page 6: ...usting RFAGC voltmeter value becomes 1 75V 0 02V 5 Diversity free run 1 Short 2 and 3 pins at CN201 frequency 2 Connect frequency counter to CN 201 pin 1 VR201 3 Adjust VR201 15kHz and set the value to 15625Hz 100Hz KTC V300N Item Adjustment Method and Adjustment Values Conditions 1 Video detection 1 Turn VR302 RF AGC all the way to the right ANT non signal coil adjustment 2 Apply DC 2 0V to TP IF...

Page 7: ... detection 1 Turn VR302 RF AGC all the way to the right ANT non signal coil adjustment 2 Input fo 33 4MHz and continuous wave level 94dBµ for TP IF A201 6 L302 3 Connect voltmeter to TP S IF both edges on R324 and adjust L302 at 0V 0 01V 3 S METER 1 Turn VR302 RF AGC all the way to the left Shift VR301 so that adjustment 2 Input RF signal 30dBµ 9CH color bar into the ANT input terminal AGC is not ...

Page 8: ...2 R315 R317 R318 R320 R335 R338 R501 R509 R510 R511 R612 R613 R614 R615 R616 W501 R11 R340 R339 R611 W303 C336 C441 C110 C107 R13 1 2 1 29 AGC MUTE LEVEL S MET DIV 12 19 20 28 1 9 1 3 AGC S METER 15kHz 22 7MHz 22 2MHz 21 7MHz 30 55MHz 4 43MHz C221 C233 C307 C301 C315 C518 C401 C506 C231 C415 C420 C504 C510 C235 C304 C517 CF302 CF301 X301 X302 X303 X304 X401 L302 CF201 L301 GND 1 5 1 1 2 11 12 13 4...

Page 9: ... C610 C405 420 C614 C606 C438 C440 C429 C432 C627 X101 C439 R602 V8V T5V A5V A8V AN8V AV8V C601 1 2 C427 C434 TP641 3 1 4 5 1 30 80 51 81 100 31 50 1 2 4 3 E B E B I O G I O G I O G I O G 1 4 8 5 16 9 1 8 4 6 3 1 BE D623 D612 D613 D617 D618 D619 D620 Q605 D601 Q601 Q604 P102 J602 IC101 IC103 IC604 04 IC102 IC602 IC403 IC607 IC402 IC605 IC606 IC603 Ref No Address IC101 3F IC102 3G IC103 4G IC104 3E...

Page 10: ...1 C602 C608 C612 R119 C620 S8V A8V AV8V A5V T5V V8V R104 R114 R310 R311 R316 R408 R414 R415 R416 C108 R431 R432 C435 R504 R505 R507 R514 R117 C436 R608 W604 C408 C417 C512 C437 R120 R411 R412 R413 R422 R423 R428 R429 R503 R508 R512 R513 R515 R516 R606 R607 R618 R620 R118 R131 W101 W10 B E B E B E B E B E B E B E E B B E B E E B D602 D608 Q302 Q304 Q501 Q305 D607 Q413 D609 Q101 D621 Q409 Q410 Q502 ...

Page 11: ...230 IF C232 C238 C313 C314 S IF V OUT2 C319 C320 C321 C328 C329 C330 C332 C502 R222 R224 R304 R307 10 R326 C201 C202 C203 C204 C205 C206 C207 C208 C229 C239 C240 C325 L213 R215 R216 R221 R223 R305 R306 R308 R324 R327 R332 R333 R334 R336 R503 W205 W206 W207 W302 E B B E Q301 D201 D202 D203 D204 D301 D302 Q201 Ref No Address Q101 3L Q201 4Q Q301 3P Q302 4O Q304 3O Q305 3O Q409 7N Q410 7N Q413 6N Q50...

Page 12: ... R613 1K R612 1K W604 R611 22K R G COMP B 31 34 32 18 19 75 R618 RST 2200P C520 2200P C521 47K R514 100 R516 100 R515 0 01 C603 0 01 C602 2200u16 C601 5 4 GND VCC 1 3 2 33 47 R132 0 1 C107 470P C110 0 1 C604 0 1 C605 2 VCC 1 OUT GND 3 1 C620 100u16 C621 0 01 C622 GND VCC C623 1 3 2 OUT C624 100u16 1 TP623 C625 0 01 VCC GND 3 C609 2 1 TP624 OUT 1 C610 100u16 C611 0 01 2 1 C612 1 GND IN C614 100u16 ...

Page 13: ... 6 7 8 9 EO VCOIN RREF CREF AGND DGND NSOUT OMODE 5 4 3 2 1 PCH2 PCH1 SCH GND IN CF201 52 54 TP111 TP119 WP A1 8 VCC 1 A0 5 6 7 SDA SCL 4 3 2 GND A2 R107 100 R108 100 3 9K R105 3 9K R106 0 01 C101 W101 W102 R110 100K R109 100K 47 48 49 100K R117 100 R116 47K R114 100 R113 100 R112 100 R111 DA CL EN 33 32 31 34 4 7K R115 1 C433 1 C431 1 C428 R B G C435 0 022 C436 0 022 C437 0 022 TP415 R419 1K R418...

Page 14: ...8uH L211 R201 100 R202 100 R203 100 R204 100 C216 100P C215 100P C214 100P C213 100P C209 1000P C210 1000P C211 1000P C212 1000P C220 100P C219 100P C218 100P C217 100P R208 1K R207 1K R206 1K R205 1K 12 10 9 11 15 13 14 16 0 01 C225 7u6 3 C221 0 01 W203 2200P C306 10K R313 6 8K R316 3 3K R312 1 5K R315 47K R314 0 47u50 C307 21 A5V 8 7 A5V T5V AV8V A5V SW VCC OUT 3 2 1 IN1 4 5 IN2 GND 6 0 1 C426 C...

Page 15: ...W UNIT 3 2 1 B A K TC V300E 4 CHANNEL D I V E R S I T Y T U N E R T V T O M O N I T O R P O W E R T V A N T E N N A I N P U T X34 C L E A N E R 100 A B C D N89 3006 43 N89 3006 48 N30 3006 48 N80 3008 41 φ3x6 BLK φ3x6 M3x6 φ3x8 10 11 9 6 4 3 4 5 7 8 12 Bx2 A A Bx2 Ax2 713 715 714 1 Bx2 Dx2 702 Cx2 716 ...

Page 16: ...C 3300PF K C227 CK73GB1H472K CHIP C 4700PF K C228 CK73GB1H223K CHIP C 0 022UF K C229 CK73GB1H102K CHIP C 1000PF K C230 CK73GB1H103K CHIP C 0 010UF K C231 CD04AS1C220M ELECTRO 22UF 16WV C232 CK73GB1H102K CHIP C 1000PF K C233 CD04AS0J221M ELECTRO 220UF 6 3WV C234 CK73GB1H103K CHIP C 0 010UF K C235 CD04AS0J221M ELECTRO 220UF 6 3WV C236 238 CK73GB1H103K CHIP C 0 010UF K C239 240 CK73GB1H222K CHIP C 22...

Page 17: ...10UF K C620 CK73FB1C105K CHIP C 1 0UF K E C621 CD04AJ1C101M ELECTRO 100UF 16WV E C622 CK73GB1H103K CHIP C 0 010UF K E C623 CK73FB1C105K CHIP C 1 0UF K C624 CD04AJ1C101M ELECTRO 100UF 16WV C625 CK73GB1H103K CHIP C 0 010UF K C626 CK73FB1C105K CHIP C 1 0UF K C627 CD04AJ1C101M ELECTRO 100UF 16WV C629 630 CK73GB1H103K CHIP C 0 010UF K CN201 E41 2637 05 PIN ASSY CN301 302 E41 2368 05 PIN ASSY J201 204 E...

Page 18: ...R 43K J 1 10W E R401 RK73GB2A103J CHIP R 10K J 1 10W E R402 403 RK73GB2A101J CHIP R 100 J 1 10W E R408 RK73GB2A102J CHIP R 1 0K J 1 10W E R411 413 RK73GB2A102J CHIP R 1 0K J 1 10W E R414 416 RK73GB2A561J CHIP R 560 J 1 10W E R417 419 RK73GB2A102J CHIP R 1 0K J 1 10W E R422 RK73GB2A104J CHIP R 100K J 1 10W E R423 RK73GB2A472J CHIP R 4 7K J 1 10W E R424 425 RK73GB2A103J CHIP R 10K J 1 10W E R426 RK7...

Page 19: ... IC301 AN5186FBV ANALOGUE IC IC401 TDA8842 N2 ANALOGUE IC E IC402 MM1508XNRE E ANALOGUE IC IC403 BA7666FS ANALOGUE IC E IC501 TA2005SNG ANALOGUE IC IC502 NJM4565V ZB ANALOGUE IC IC602 BA08CC0FP ANALOGUE IC IC603 BA178M05T ANALOGUE IC IC604 NJM78M05DL1AZB ANALOGUE IC IC605 BA08CC0FP ANALOGUE IC IC606 BA08CC0T ANALOGUE IC E IC607 BA08CC0FP ANALOGUE IC Q101 2SC4081 TRANSISTOR Q201 2SC2714 F Y TRANSIS...

Page 20: ...h PAL l 21 69 ch PAL D 13 57 ch Demonulation system Split carrier system Antenna input 4 ch diversity 3 5ø miniplug General Operating Voltage 14 4V DC 11V 16V Current Consumption KTC V300E 465mA KTC V300N KTC V300P 305mA Dimensions W x H x D 188 x 30 x 144mm 7 3 8 x 1 3 16 x 5 11 16inch Operational temperature range 10 C to 60 C Storage temperature range 30 C to 85 C Weight 680g 1 5lbs TV Antenna ...

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