Kenwood TK-480 Service Manual
800mhz/900mhz fm transceiver
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- Service manual (25 pages) ,
- Specifications (2 pages) ,
- Instruction manual (39 pages)
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800MHz/900MHz FM TRANSCEIVER
TK-480/481
SERVICE MANUAL
SUPPLEMENT II
Whip antenna
(T90-0636-25) : TK-480
(T90-0640-25) : TK-481
Badge
(B43-1139-04)
Knob (PTT)
(K29-5157-03)
Packing
(G53-0841-22) : K4
Cabinet assy
(A02-3659-23) : K4
Illustration is TK-480/481 K4 type.
RoHS
This product complies with the
K3, K4, M4 versions
This service manual has been revised due to the modifi cation of the LCD ASSY and is-
sues it as a supplemental manual.
This service manual applies to products with B2200001 (TK-480), B2200001 (TK-481)
or subsequent serial numbers. Refer to the TK-480/481 series service manual for any
information which has not been covered in this manual.
Knob (Selector)
(K29-5232-03)
Knob (VOL)
(K29-5231-03)
Panel assy
(A62-0981-04)
directive for the European market
© 2012-4 PRINTED IN JA PAN
B53-7022-00 ( Y ) PDF
CONTENTS
GENERAL ....................................................2
DISASSEMBLY FOR REPAIR .....................3
PARTS LIST .................................................4
EXPLODED VIEW ......................................11
PC BOARD
TX-RX UNIT (X57-5630-XX) ...................12
SCHEMATIC DIAGRAM ............................16
CAUTION
When using an external power connector,
please use with maximum fi nal module protec-
tion of 9V.
.
This product uses Lead Free solder
.
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Summary of Contents for Kenwood TK-480
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Page 1: Table Of Contents
This service manual applies to products with B2200001 (TK-480), B2200001 (TK-481) or subsequent serial numbers. Refer to the TK-480/481 series service manual for any information which has not been covered in this manual. Knob (Selector) -
Page 2: General
Copyright 2012 by JVC KENWOOD Corporation. All The title to and ownership of copyrights for fi rmware em- rights reserved. bedded in KENWOOD product memories are reserved for No part of this manual may be reproduced, translated, JVC KENWOOD Corporation. Any modifying, reverse en-... -
Page 3: Disassembly For Repair
Compatibility information The LCD ASSY (B38-0892-15) has been discontinued by the supplier. A new LCD ASSY (B38-0951-05) has been applied to the X57-5630-XX and X54-3210-XX production. TK-480 K3, K4, M4/ TK-481 K3, K4 TX-RX UNIT(X57-5630-XX), DISPLAY UNIT(X54-3210-XX) TX-RX UNIT: X57-5630-10/-11/-21... -
Page 4: Parts List
TK-480/481 PARTS LIST 2 2 0 CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc. 5 = Value 101 = 100pF Multiplier 3 = Temp. - Page 5 PACKING FIXTURE CN300 E40-6948-05 FLAT CABLE CONNECTOR(24P) ✽ CN301 E40-5892-15 FLAT CABLE CONNECTOR(14P) ✽ J19-1572-04 HOLDER CN302 E41-2539-05 PIN ASSY(SP) J21-8321-03 MOUNTING HARDWARE(P-MODULE) CN303 E41-3086-05 PIN ASSY(PTT) J29-0734-05 BELT HOOK ASSY CN304 E40-6452-05 FLAT CABLE CONNECTOR(LCD) K5:TK-480(K3), K6:TK-480(K4), K7:TK-481(K3), K8:TK-481(K4), M4:TK-480(M4)
- Page 6 Description Ref. No. Ad dress Parts No. Description parts nation parts nation L300,301 L92-0470-05 CHIP FERRITE TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 L302,303 L92-0138-05 CHIP FERRITE L304,305 L92-0470-05 CHIP FERRITE C1 ,2 CK73GB1E103K CHIP C 0.010UF K L306,307...
- Page 7 CHIP C 0.010UF K C133 CC73GCH1H101J CHIP C 100PF C214 CK73HB1A104K CHIP C 0.10UF C134 CC73GCH1H010B CHIP C 1.0PF K5,M4,K6 C215 CK73HB1H102K CHIP C 1000PF C135 CC73GCH1H101J CHIP C 100PF C216 CK73HB1E103K CHIP C 0.010UF K K5:TK-480(K3), K6:TK-480(K4), K7:TK-481(K3), K8:TK-481(K4), M4:TK-480(M4)
- Page 8 1/10W RK73GB2A123J CHIP R 1/10W K7,K8 L22 ,23 L92-0138-05 CHIP FERRITE RK73GB2A183J CHIP R 1/10W K5,M4,K6 L40-5663-92 SMALL FIXED INDUCTOR(5.6NH) K7,K8 RK73HB1J472J CHIP R 4.7K 1/16W L40-6865-92 SMALL FIXED INDUCTOR(6.8NH) K5,M4,K6 RK73GB2A000J CHIP R 1/10W K5:TK-480(K3), K6:TK-480(K4), K7:TK-481(K3), K8:TK-481(K4), M4:TK-480(M4)
- Page 9 1/10W RK73GB2A100J CHIP R 1/10W R161,162 RK73GB2A184J CHIP R 180K J 1/10W R92 ,93 RK73GB2A150J CHIP R 1/10W R163 RK73GB2A104J CHIP R 100K J 1/10W RK73GB2A272J CHIP R 2.7K 1/10W R164 RK73GB2A473J CHIP R 1/10W K5:TK-480(K3), K6:TK-480(K4), K7:TK-481(K3), K8:TK-481(K4), M4:TK-480(M4)
- Page 10 IC15 30622MEP599GU MICROCONTROLLER IC ✽ IC16 AT24C08BN-SH ROM IC IC17 AT29C02090TU ROM IC IC18,19 BU4094BCFV MOS-IC K5:TK-480(K3), K6:TK-480(K4), If a part reference number is listed in a shaded box, K7:TK-481(K3), K8:TK-481(K4), that part does not come with the PCB. M4:TK-480(M4)
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Page 11: Exploded View
TK-480/481 EXPLODED VIEW 22x2 21x2 MIC300 Display unit (A/2) : N1 4-0834-04 M 2.6 x 5 : N30-2605-48 M2.6 x 10 : N30-2610-48 D M 2.6 x 6 : N67-2606-48 M2 x 5 : N83-2005-48 : N09-6616-05 IC30 TX-RX unit... -
Page 12: Tx-Rx Unit (X57-5630-Xx)
TK-480/481 PC BOARD TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 Component side view (J79-0201-19) J79-0201-19 R419 MONI R420 LAMP C197 C195 C123 C111 C112 R161 C109 RXEMAI RXWMAO C263 RXAO C100 R422 CN10 RXAI AUXRXD PTTOUT RSSI AUXTXD... - Page 13 TK-480/481 PC BOARD TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 Component side view (J79-0201-19) IC30 C175 C160 C166 C168 R103 Component side Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 Foil side...
- Page 14 TK-480/481 PC BOARD TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 Foil side view (J79-0201-19) C232 C231 C152 R134 R165 R299 R174 C230 C165 C172 R146 CN12 IC21 C164 R143 C234 C177 IC11 R131 R114 C170 C146 C149 C222...
- Page 15 TK-480/481 PC BOARD TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 Foil side view (J79-0201-19) J79-0201-19 IC19 IC18 IC16 IC13 R276 C124 C113 R408 R421 C261 C106 C232 C231 C230 IC17 C213 C214 R172 C229 IC11 C228 CP21 C227 CP19...
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Page 16: Schematic Diagram
TK-480/481 SCHEMATIC DIAGRAM X57-5630-XX TX-RX UNIT GN1G TK11250CMCL-G XC6201P502P-G NJU7201U50 2SJ243-A R3111N421C-FE LTC044EEBFS8 KTA2014E-P(GR MA3J742 DA2S101 2SC4617(S) TC75W51FUF M62364FP-F TC75W51FUF TA75W01FUF IC23 TA75S01F-F IC10 TA75W01FUF LTC014EEBFS8 X57-5630-XX C100 C114 C115 C119 C122 C132 C134 C139 C157 C166 C168 C173 C175... - Page 17 TK-480/481 SCHEMATIC DIAGRAM TX-RX UNIT (X57-5630-XX) R172 D12 1SS360-F C227 100p 2SA1832(GR)F 2SC4617(S) PLL SYSTEM C228 1000p ✽ L13 R300 IC11 C213 C229 0.1u LMX2352TMX/NP 4.7k 0.01u ✽ C119 C215 VCONT C214 IF_EN RF_EN 0.1u 1000p CLOCK R159 FO/LD C216...
- Page 18 TK-480/481 SCHEMATIC DIAGRAM IC30 TX-RX UNIT (X57-5630-XX) HVU131-E R299 2SC5108(Y)F IC21 NJM2904V-ZB 2SC5108(Y)F IC14 2SC4988-E 2SK1824-A DA2S00100 LTA044EEBFS8 2SC5108(Y)F 2SC5108(Y)F LTC014EEBFS8 3SK318 3SK274*J-FP 2SK1824-A 2SC4617(S) IC19 BU4094BCFV IC18 BU4094BCFV IC17 AT29C02090TU IC16 AT24C08BN-SH C162 L77-3038-05 9.8304MHZ ✽ ✽ R190 C158...
- Page 19 TK-480/481 SCHEMATIC DIAGRAM K4, M4 / K4 X54-3210-XX B/2 SWITCH SECTION LCD ASSY 44EEBFS8 X54-3210-XX A/2 DISPLAY UNIT 3.5V 4.1V • Note : The components marked with a dot ( ) are parts of layer 1. X57-563 4/4 X54-321 1/1...
- Page 20 TK-480/481...
- Page 21 TK-480/481 TK-480/481 PC BOARD PC BOARD TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 Component side view (J79-0201-19) Component side view (J79-0201-19) J79-0201-19 R419 MONI R420 LAMP C197 IC30 C195 C175...
- Page 22 TK-480/481 TK-480/481 PC BOARD PC BOARD TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 TX-RX UNIT (X57-5630-XX) -12, -22: TK-480 -13: TK-481 Foil side view (J79-0201-19) Foil side view (J79-0201-19) J79-0201-19 IC19 IC18 IC16 IC13 R276 C124 C113 R408 R421...
- Page 23 C132 C134 C139 C157 C166 C168 C173 C175 C176 C193 C242 R100 R113 R165 R180 R190 IC14 IC30 − 12 TK-480 K3, K4 0.015u 1200p 390p 4700p 4700p 0.75p 1.5p 1p(B) 3.5p 0.5p 0.01u 8.2n 8.2n L79-1921-15 5.6n L79-1922-15 6.8n 6.8n...