Kenwood TK-260G service manual Exploded View TK-270G

Page 31

1

TK-260G/270G

EXPLODED VIEW (TK-270G)

C				D
	51		C	48
	51	31		48
		31		D
				D	49
					49
		701
1
					23
					27
	22				SP
					SP
50	37				16
	52
		47			43
		47
				J
		H
		DISPLAY unit

2

3

	H
4	M2
2.5
4	M3
4
	J32-0925-04

46

19

15

TX-RX unit (A/2)

J

17

TX-RX unit (B/2)

F

20

21

B

B

12 K

703

704

	705
I	18
I

IC1

Lx8

39

13

28

26

A

11

J

702

25

42

6

14

5

38

3

A M2.6x4	:N09-2319-05
B M2x3.5	:N09-2331-05
C NUT	:N14-0582-14
D NUT	:N14-0583-04
F M2.6x6	:N30-2606-46
H M2x3	:N39-2030-46
I M2x5	:N67-2005-46
J φ2x4.5	:N78-2045-46
K φ2x3	:N79-2030-46
L φ2x5	:N83-2005-46

Parts with the exploded numbers larger than 700 are not supplied.

31

Image 31

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 Separating the case assembly from the chassis Disassembly for RepairSeparating the chassis from the unit TK-260G Circuit Description Frequency configurationReceiver PLL frequency synthesizer Microphone amplifier Power supplyEncode signaling Transmitter SystemOptional Board Terminal Control CircuitUPB1509GV IC301 Circuit DESCRIPTION/SEMICONDUCTOR DataLCD Driver LC75823W Display Unit IC501 TK-270G only Shift register 2BU4094BCFVIC6 Semiconductor DataMicroprocesser 30622M4102GP TX-RX Unit IC13 Shift register 1BU4094BCFVIC5Display Unit X54-3250-10 TK-270G Only Description of ComponentsTX-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/270GTest Equipment Required for Alignment AdjustmentRepair Jig Chassis Test mode operating features Test Mode TK-270G onlyRepair Jig Extention Flat cable part No E37-0851-05 Panel Tuning Mode LCD display Tuning mode Wide/Narrow indicatorTuning mode Transmitter Section Common SectionAF Vtvm Hpfoff Ptton Dtmf BPF-WAVE Foil Side View Adjustment points TX-RX unit X57-587 Component side viewDisplay Unit X54-3250-10 Component Side View PC Board View TK-260G/270GDisplay Unit X54-3250-10 Foil Side View PC Board View DTA114EE TK-260G/270G PC Board View TK-260G TK-270GSCHEMATIC Diagram Block Diagram KNB-14 Level DiagramKNB-15A KMC-21 Speaker microphone KMC-21 Parts List KMC-17 Speaker microphone KMC-17 Parts ListOptions General Specification