Kenwood TK-260G, TK-270G service manual Coil

Page 27

TK-260G/270G

PARTS LIST

TX-RX UNIT (X57-5870-XX)

Ref. No.		Address	partsNew	Parts No.		Description			Destination

L14			*	L40-1085-92	SMALL FIXED INDUCTOR(100NH)
L15			*	L40-5675-92	SMALL FIXED INDUCTOR(56NH)
L17				L34-4550-05	AIR-CORE COIL
L18	-20			L92-0138-05	FERRITE CHIP
L21				L40-1875-92	SMALL FIXED INDUCTOR(18NH)
L22			*	L40-1085-92	SMALL FIXED INDUCTOR(100NH)
L23				L92-0138-05	FERRITE CHIP
L24				L40-5681-86	SMALL FIXED INDUCTOR(0.56UH)
L25			*	L40-1085-92	SMALL FIXED INDUCTOR(100NH)
L26				L33-0745-05	SMALL FIXED INDUCTOR
L27				L92-0149-05	FERRITE CHIP
L30			*	L40-2702-86	SMALL FIXED INDUCTOR(27UH)
L31			*	L40-1085-92	SMALL FIXED INDUCTOR(100NH)
L32				L40-1005-85	SMALL FIXED INDUCTOR(10UH)
L35			*	L40-1285-92	SMALL FIXED INDUCTOR(120NH)
L36			*	L40-1085-85	SMALL FIXED INDUCTOR(0.10UH)
L37				L40-5685-85	SMALL FIXED INDUCTOR(0.56UH)
L38				L92-0138-05	FERRITE CHIP
L39				L92-0149-05	FERRITE CHIP
L40	,41			L92-0138-05	FERRITE CHIP
L42				L92-0131-05	FERRITE CHIP
L43	,44			L92-0138-05	FERRITE CHIP
L302				L33-0745-05	SMALL FIXED INDUCTOR
L304			*	L40-8288-76	SMALL FIXED INDUCTOR(0.82UH)
L305			*	L34-4621-05	COIL
L306			*	L34-4622-05	COIL
L307				L34-4446-05	COIL
L308			*	L40-4785-85	SMALL FIXED INDUCTOR(0.47UH)
X1			*	L77-1794-05	TCXO	(16.8MHZ)
X2			*	L78-0479-05	RESONATOR		(3.58MHZ)
X3			*	L77-1810-05	CRYSTAL RESONATOR(9.8304MHZ)
XF1			*	L71-0546-05	CRYSTAL FILTER (49.95MHZ)
CP1				R90-0724-05	MULTI-COMP 1K X4
CP2 -9				R90-0741-05	MULTIPLE RESISTOR
CP10				R90-0724-05	MULTI-COMP 1K X4
CP11 -18				R90-0741-05	MULTIPLE RESISTOR
CP19				R90-0718-05	MULTI-COMP		4.7K X4
CP20			*	RK75HA1J472J	CHIP R		4.7K	J 1/16W
R1				RK73GB1J124J	CHIP R		120K	J 1/16W
R2				RK73GB1J104J	CHIP R		100K	J 1/16W
R3				RK73GB1J682J	CHIP R		6.8K	J 1/16W
R4				RK73GB1J102J	CHIP R		1.0K	J 1/16W
R5				RK73GB1J152J	CHIP R		1.5K	J 1/16W
R6				R92-1252-05	CHIP R		0 OHM
R7				RK73GB1J100J	CHIP R		10	J 1/16W
R8				RK73GB1J102J	CHIP R		1.0K	J 1/16W
R10				RK73GB1J331J	CHIP R		330	J 1/16W
R13				RK73GB1J822J	CHIP R		8.2K	J 1/16W
R14				RK73GB1J561J	CHIP R		560	J 1/16W
R16				RK73GB1J391J	CHIP R		390	J 1/16W
R17				RK73GB1J103J	CHIP R		10K	J 1/16W
R18				RK73GB1J124J	CHIP R		120K	J 1/16W
R19				RK73GB1J332J	CHIP R		3.3K	J 1/16W
R20				RK73GB1J122J	CHIP R		1.2K	J 1/16W
R21				RK73GB1J221J	CHIP R		220	J 1/16W

Ref. No.		Address	partsNew	Parts No.		Description		Destination

R22				RK73GB1J472J	CHIP R	4.7K	J 1/16W
R23				RK73GB1J122J	CHIP R	1.2K	J 1/16W
R26				RK73GB1J561J	CHIP R	560	J 1/16W
R27				RK73GB1J270J	CHIP R	27	J 1/16W
R28	,29			RK73GB1J271J	CHIP R	270	J 1/16W
R30				RK73GB1J182J	CHIP R	1.8K	J 1/16W
R31				RK73GB1J101J	CHIP R	100	J 1/16W
R33				RK73GB1J101J	CHIP R	100	J 1/16W
R34				RK73GB1J473J	CHIP R	47K	J 1/16W
R35				RK73GB1J104J	CHIP R	100K	J 1/16W
R36				RK73GB1J473J	CHIP R	47K	J 1/16W
R37				RK73GB1J472J	CHIP R	4.7K	J 1/16W
R38				RK73GB1J101J	CHIP R	100	J 1/16W
R39				RK73GB1J562J	CHIP R	5.6K	J 1/16W
R40				RK73GB1J183J	CHIP R	18K	J 1/16W
R41				RK73GB1J101J	CHIP R	100	J 1/16W
R42				RK73GB1J220J	CHIP R	22	J 1/16W
R43				RK73GB1J101J	CHIP R	100	J 1/16W
R44				RK73GB1J102J	CHIP R	1.0K	J 1/16W
R45				RK73GB1J331J	CHIP R	330	J 1/16W
R46				RN73GH1J154D	CHIP R	150K	D 1/16W
R47				RK73GB1J104J	CHIP R	100K	J 1/16W
R48				RK73GB1J334J	CHIP R	330K	J 1/16W
R49				RK73GB1J103J	CHIP R	10K	J 1/16W
R50				RN73GH1J154D	CHIP R	150K	D 1/16W
R51				RK73GB1J102J	CHIP R	1.0K	J 1/16W
R52				RK73GB1J151J	CHIP R	150	J 1/16W
R53				RK73GB1J472J	CHIP R	4.7K	J 1/16W
R54				RN73GH1J154D	CHIP R	150K	D 1/16W
R55				RK73GB1J105J	CHIP R	1.0M	J 1/16W
R56	-58			RK73EB2ER39K	CHIP R	0.39	K 1/4W
R59				RN73GH1J154D	CHIP R	150K	D 1/16W
R60				R92-1252-05	CHIP R	0 OHM
R61				RK73GB1J473J	CHIP R	47K	J 1/16W
R62				RN73GH1J154D	CHIP R	150K	D 1/16W
R64	,65			RK73GB1J104J	CHIP R	100K	J 1/16W
R68				RN73GH1J154D	CHIP R	150K	D 1/16W
R69				RK73GB1J220J	CHIP R	22	J 1/16W
R70				RK73GB1J104J	CHIP R	100K	J 1/16W
R71				RK73GB1J124J	CHIP R	120K	J 1/16W
R72				RK73GB1J103J	CHIP R	10K	J 1/16W
R73				RK73GB1J273J	CHIP R	27K	J 1/16W
R74	,75			RK73GB1J223J	CHIP R	22K	J 1/16W
R76				R92-0670-05	CHIP R	0 OHM
R77				R92-1252-05	CHIP R	0 OHM
R78	,79			RK73GB1J153J	CHIP R	15K	J 1/16W
R80	,81			RK73GB1J223J	CHIP R	22K	J 1/16W
R82				RK73GB1J102J	CHIP R	1.0K	J 1/16W
R83				RK73GB1J103J	CHIP R	10K	J 1/16W
R84				RK73GB1J184J	CHIP R	180K	J 1/16W
R85				RK73GB1J102J	CHIP R	1.0K	J 1/16W
R86				RK73GB1J124J	CHIP R	120K	J 1/16W
R87				RK73GB1J221J	CHIP R	220	J 1/16W
R88				RK73GB1J102J	CHIP R	1.0K	J 1/16W
R89				RK73GB1J821J	CHIP R	820	J 1/16W
R90	,91			RK73GB1J332J	CHIP R	3.3K	J 1/16W

260G : TK-260G (K),(M)	M : TK-260G(M),TK-270G(M)
270G : TK-270G (K),(M)	27
270G : TK-270G (K),(M)	K : TK-260G(K),TK-270G(K)

Image 27

Contents TK-260G/270G ContentsGeneral / System SET-UP TK-260G/270GOperation Features Operating FeaturesSP/MIC jacks Programmable keys3 keys Dtmf keypadScan types Display TK-270G onlyScan Operating TK-270G only Icon DescriptionDetails of Features Option Signalling DTMF/2 tone Audible user feedback tones Operating Features / RealignmentHow to Enter Each Mode For the panel Test Mode TK-270G onlyChecksum PC ModeFirmware Programming Mode RealignmentFunction Clone ModeFlow Chart Self Programming Mode TK-270G onlySelf programming mode setting Channel Setting ModeADD DtmfTone DeleteFunction Setting Mode Function Setting ModeCttno YES/NOTOT YES CttyesMemory Reset Mode Disassembly for Repair Separating the case assembly from the chassisSeparating the chassis from the unit TK-260G Frequency configuration Circuit DescriptionReceiver PLL frequency synthesizer Microphone amplifier Power supplyEncode signaling Transmitter SystemOptional Board Terminal Control CircuitCircuit DESCRIPTION/SEMICONDUCTOR Data UPB1509GV IC301LCD Driver LC75823W Display Unit IC501 TK-270G only Shift register 2BU4094BCFVIC6 Semiconductor DataMicroprocesser 30622M4102GP TX-RX Unit IC13 Shift register 1BU4094BCFVIC5Description of Components Display Unit X54-3250-10 TK-270G OnlyTX-RX Unit TK-260G/270G Parts ListTX-RX Unit Ceramic Trimmer CAP10P CN1 Coil R92 RK73GB1J100J VR1 Exploded View TK-260G Exploded View TK-270G Packing TK-260G/270GAdjustment Test Equipment Required for AlignmentRepair Jig Chassis Test Mode TK-270G only Test mode operating featuresRepair Jig Extention Flat cable part No E37-0851-05 LCD display Tuning mode Wide/Narrow indicator Panel Tuning ModeTuning mode Transmitter Section Common SectionAF Vtvm Hpfoff Ptton Dtmf BPF-WAVE Foil Side View Adjustment points TX-RX unit X57-587 Component side viewPC Board View TK-260G/270G Display Unit X54-3250-10 Component Side ViewDisplay Unit X54-3250-10 Foil Side View PC Board View DTA114EE TK-260G/270G PC Board View TK-260G TK-270GSCHEMATIC Diagram Block Diagram Level Diagram KNB-14KNB-15A KMC-17 Speaker microphone KMC-17 Parts List KMC-21 Speaker microphone KMC-21 Parts ListOptions General Specification