Kenwood TK-880 series User manual

Document Copyrights
Copyright 2006 by Kenwood Corporation. All rights reserved.
No part of this manual may be reproduced, translated, distributed, or transmitted in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, for
any purpose without the prior written permission of Kenwood.
Disclaimer
While every precaution has been taken in the preparation of this manual, Kenwood
assumes no responsibility for errors or omissions. Neither is any liability assumed for
damages resulting from the use of the information contained herein. Kenwood reserves
the right to make changes to any products herein at any time for improvement purposes.

© 2006-6 PRINTED IN JAPAN
B51-8582-10 (N)508
UHF FM TRANSCEIVER
TK-880/880H
SUPPLEMENT II
SERVICE MANUAL
CONTENTS
Microphone
(T91-0621-25)
Cabinet (Top)
(A01-2165-23)
Panel assy
(A62-0991-03)
Key top
(K29-5284-02)
This service manual applies to products (K type only. Ex-
cluding the K2 and K3 types.) with 80400001 (TK-880),
61200001 (TK-880H) or subsequent serial numbers.
Refer to the TK-880/H service manual (B51-8582-00) for
any information which has not been covered in this
manual.
PARTS LIST ............................................................................................... 2
ADJUSTMENT .......................................................................................... 8
PC BOARD
PLL/VCO (X58-4550-10) ...................................................................... 11
TX-RX UNIT (X57-6450-XX) (A/2)...................................................... 12
SCHEMATIC DIAGRAM.......................................................................... 16

TK-880/880H
2
PARTS LIST
✽New Parts. indicates safety critical components.
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
L: Scandinavia K:USA P:Canada
Y: PX (Far East, Hawaii) T:England E:Europe
Y:AAFES (Europe) X:Australia M:Other Areas
C1-15 CK73GB1H102K CHIP C 1000PF K
C16 ✽CS77AA0J4R7M CHIP-TAN 4.7UF 6.3WV
C18 ✽CS77AA0J4R7M CHIP-TAN 4.7UF 6.3WV
C19 CC73GCH1H100D CHIP C 10PF D
C20 CK73GB1E103K CHIP C 0.010UF K
C21,22 CK73GB1H102K CHIP C 1000PF K
C23 ✽CS77AA0J4R7M CHIP-TAN 4.7UF 6.3WV
C24 CK73GB1H102K CHIP C 1000PF K
C25 ✽CS77AA0J4R7M CHIP-TAN 4.7UF 6.3WV
C27 CK73GB1H102K CHIP C 1000PF K
C28 CC73GCH1H470J CHIP C 47PF J
C29 CS77AA1A100M CHIP-TAN 10UF 10WV
C30 CK73GB1H102K CHIP C 1000PF K
C31 CS77AA1A100M CHIP-TAN 10UF 10WV
C32 CC73GCH1H220J CHIP C 22PF J
C33 CK73GB1E103K CHIP C 0.010UF K
C34 CS77CB21C100M CHIP-TAN 10UF 16WV
C35 CK73GB1E103K CHIP C 0.010UF K
C36 CS77AA1A100M CHIP-TAN 10UF 10WV
C37 C92-1341-05 ELECTRO 100UF 16WV
C38 CS77CB21C100M CHIP-TAN 10UF 16WV
C39 CK73GB1E103K CHIP C 0.010UF K
C40 CK73GB1H102K CHIP C 1000PF K
C41 C92-1341-05 ELECTRO 100UF 16WV
C42 ✽CS77CD20J680M CHIP-TAN 68UF 6.3WV
C43 CK73GB1E103K CHIP C 0.010UF K
C44 CK73GB1H102K CHIP C 1000PF K
C45 ✽CS77AA0J4R7M CHIP-TAN 4.7UF 6.3WV
C46 CS77CA1C010M CHIP-TAN 1.0UF 16WV
C47 CK73GB1H102K CHIP C 1000PF K
C48 CK73FF1C105Z CHIP C 1.0UF Z
C49 CK73GB1H102K CHIP C 1000PF K
C51,52 CK73GB1H102K CHIP C 1000PF K
C54 CK73GB1C104K CHIP C 0.10UF K
C55 CC73GCH1H020C CHIP C 2.0PF C
C56 CK73GB1H471K CHIP C 470PF K
C57 CK73GB1E103K CHIP C 0.010UF K
C58 CK73GB1H471K CHIP C 470PF K
C59 CK73GB1H102K CHIP C 1000PF K
C60 CK73GB1H471K CHIP C 470PF K
C61 CK73GB1E103K CHIP C 0.010UF K
C62 CC73GCH1H020C CHIP C 2.0PF C
C63 CK73FB1E103K CHIP C 0.010UF K
C64 CK73GB1E103K CHIP C 0.010UF K
C65 CK73GB1C104K CHIP C 0.10UF K
C66 CC73GCH1H470J CHIP C 47PF J
C67 CK73GB1H471K CHIP C 470PF K
C68 CK73GB1C104K CHIP C 0.10UF K
C69 CC73GCH1H060D CHIP C 6.0PF D HK
C69 CC73GCH1H151J CHIP C 150PF J K
C70 C92-0719-05 ELECTRO 47UF 25WV
C71 CK73GB1C104K CHIP C 0.10UF K
C72,73 CK73GB1H102K CHIP C 1000PF K
C74 C92-0719-05 ELECTRO 47UF 25WV
C75 ✽C92-0881-05 ELECTRO 47UF 10WV
C76 CK73GB1H102K CHIP C 1000PF K
C77 C92-0719-05 ELECTRO 47UF 25WV
C78 CK73GB1E103K CHIP C 0.010UF K
C79 C92-0722-05 ELECTRO 470UF 16WV
C80 CK73GB1C104K CHIP C 0.10UF K
C84 CC73GCH1H100D CHIP C 10PF D
C88 CK73GB1E103K CHIP C 0.010UF K
C89 CK73GB1H471K CHIP C 470PF K
C90 CK73GB1H102K CHIP C 1000PF K
C91,92 CK73GB1E103K CHIP C 0.010UF K
C93 CK73GB1H102K CHIP C 1000PF K
C94 CK73GB1H471K CHIP C 470PF K
C96 CC73GCH1H180J CHIP C 18PF J
C97 CK73GB1H102K CHIP C 1000PF K
C98 CC73GCH1H150J CHIP C 15PF J
C99 CK73GB1H102K CHIP C 1000PF K
C100 CS77AA1A100M CHIP-TAN 10UF 10WV
C101 CK73GB1H102K CHIP C 1000PF K
C102 CC73GCH1H270J CHIP C 27PF J
C103 CK73GB1C104K CHIP C 0.10UF K
C104 CK73GB1E103K CHIP C 0.010UF K
C107 CS77AA1A100M CHIP-TAN 10UF 10WV
C108 CK73GB1C104K CHIP C 0.10UF K
C113 CK73GB1E103K CHIP C 0.010UF K
C114 CS77CA1A3R3M CHIP-TAN 3.3UF 10WV
C116 CS77AA0J220M CHIP-TAN 22UF 6.3WV
C117 CK73GB1E103K CHIP C 0.010UF K
C118 CK73GB1C104K CHIP C 0.10UF K
C119 CS77CA1A3R3M CHIP-TAN 3.3UF 10WV
C120 CK73GB1H102K CHIP C 1000PF K
C121 CS77AA1A100M CHIP-TAN 10UF 10WV
C123 CK73GB1C104K CHIP C 0.10UF K
C124 CK73FB1E103K CHIP C 0.010UF K
C125 CK73GB1H471K CHIP C 470PF K
C126 CK73GB1C104K CHIP C 0.10UF K
C127 CK73GB1E103K CHIP C 0.010UF K
C128 CK73FB1H471K CHIP C 470PF K
C129 CK73GB1E103K CHIP C 0.010UF K
C130 CK73GB1H102K CHIP C 1000PF K
C131 CK73GB1H471K CHIP C 470PF K
C132 CK73GB1C104K CHIP C 0.10UF K
C133 C92-0720-05 ELECTRO 100UF 25WV
C134 CK73FB1E224K CHIP C 0.22UF K
C135 CK73GB1H102K CHIP C 1000PF K
C136 CK73FB1E224K CHIP C 0.22UF K
C137 CK73GB1H471K CHIP C 470PF K
C138 CC73FCH1H0R5B CHIP C 0.5PF B
C139 CC73FCH1H020B CHIP C 2.0PF B
C140-143 CK73GB1H471K CHIP C 470PF K
C144 CK73GB1H102K CHIP C 1000PF K
C145,146 CK73GB1H471K CHIP C 470PF K
C147 CC73FCH1H0R5B CHIP C 0.5PF B
C148 CK73GB1H102K CHIP C 1000PF K
C149 CC73FCH1H020B CHIP C 2.0PF B
C150 CC73GCH1H220J CHIP C 22PF J
Ref. No. Address Parts No. Description Desti-
nation
New
parts
Ref. No. Address Parts No. Description Desti-
nation
New
parts
TX-RX UNIT (X57-6450-XX) (A/2) -10 : K -13 : HK
TX-RX UNIT (X57-6450-XX) (A/2)

TK-880/880H
3
PARTS LIST
C151 CK73GB1H102K CHIP C 1000PF K
C152 C92-0777-05 ELECTRO 1000UF 25WV
C153,154 CK73GB1E103K CHIP C 0.010UF K
C155 CK73GB1H102K CHIP C 1000PF K
C156,157 CK73GB1E103K CHIP C 0.010UF K
C158,159 CC73GCH1H050C CHIP C 5.0PF C
C160 CK73GB1C104K CHIP C 0.10UF K
C161 CC73GCH1H101J CHIP C 100PF J
C162 C92-0870-05 CHIP-TAN 4.7UF 16WV
C164,165 CK73GB1H471K CHIP C 470PF K
C166 CK73GB1C104K CHIP C 0.10UF K
C167 CC73GCH1H100D CHIP C 10PF D
C173 ✽CS77AA0J3R3M CHIP-TAN 3.3UF 6.3WV HK
C173 CS77CA1C010M CHIP-TAN 1.0UF 16WV K
C174 ✽C92-0884-05 ELECTRO 22UF 16WV
C175 CK73GB1H102K CHIP C 1000PF K
C178,179 CC73GCH1H220J CHIP C 22PF J
C195-198 CK73GB1H102K CHIP C 1000PF K
C200 CK73GB1H102K CHIP C 1000PF K
C201 CC73FCH1H120J CHIP C 12PF J HK
C204 CK73GB1H102K CHIP C 1000PF K
C205,206 CC73GCH1H101J CHIP C 100PF J
C207 CC73GCH1H100C CHIP C 10PF C
C209 CC73GCH1H040C CHIP C 4.0PF C
C210 CC73GCH1H070D CHIP C 7.0PF D
C211,212 CK73GB1H471K CHIP C 470PF K
C213,214 CC73GCH1H070D CHIP C 7.0PF D
C215 CK73GB1H471K CHIP C 470PF K
C216 CK73GB1E103K CHIP C 0.010UF K
C217 CK73GB1H102K CHIP C 1000PF K
C218 CK73GB1H471K CHIP C 470PF K
C220,221 CK73GB1H471K CHIP C 470PF K
C222-224 CC73GCH1H070D CHIP C 7.0PF D HK
C222,223 CC73GCH1H070D CHIP C 7.0PF D K
C225 CC73GCH1H101J CHIP C 100PF J
C227 CK73GB1H471K CHIP C 470PF K
C229 CK73GB1H471K CHIP C 470PF K
C230,231 CK73GB1C104K CHIP C 0.10UF K
C233 CK73GB1E103K CHIP C 0.010UF K
C234 CC73GCH1H050C CHIP C 5.0PF C
C236 CK73GB1H471K CHIP C 470PF K
C237 CK73GB1H103K CHIP C 0.010UF K
C239-241 CK73GB1E103K CHIP C 0.010UF K
C243 CK73GB1E103K CHIP C 0.010UF K
C244 CK73GB1H471K CHIP C 470PF K
C245 CC73GCH1H050C CHIP C 5.0PF C
C246-250 CK73GB1H471K CHIP C 470PF K
C251 CC73GCH1H070D CHIP C 7.0PF D
C252 CK73GB1H471K CHIP C 470PF K
C253 CK73FF1C105Z CHIP C 1.0UF Z
C254 CC73FCH1H220J CHIP C 22PF J
C255,256 CK73GB1H471K CHIP C 470PF K
C257 ✽CE32CL1V220M CHIP-ELE 22UF 35WV K
C258 CK73GB1C104K CHIP C 0.10UF K
C262 C92-0719-05 ELECTRO 47UF 25WV
C263 CK73GB1H471K CHIP C 470PF K
C264 CK73GB1C104K CHIP C 0.10UF K
C265,266 C93-0552-05 CHIP C 2.0PF C K
C266 C93-0552-05 CHIP C 2.0PF C HK
C267 C93-0603-05 CHIP C 1000PF K
C268 CC73FCH1H040C CHIP C 4.0PF C
C269 C93-0556-05 CHIP C 6.0PF D HK
C269 C93-0558-05 CHIP C 8.0PF D K
C272 C93-0556-05 CHIP C 6.0PF D HK
C272 C93-0558-05 CHIP C 8.0PF D K
C273 C93-0550-05 CHIP C 1.0PF C HK
C273 C93-0553-05 CHIP C 3.0PF C K
C275 CC73GCH1H040C CHIP C 4.0PF C
C277 CC73GCH1H040C CHIP C 4.0PF C
C279 CK73GB1E103K CHIP C 0.010UF K
C280 CK73GB1H102K CHIP C 1000PF K
C281 CC73GCH1H030C CHIP C 3.0PF C HK
C281 CC73GCH1H040C CHIP C 4.0PF C K
C282,283 CK73GB1H471K CHIP C 470PF K
C284 CC73GCH1H101J CHIP C 100PF J
C286 CC73GCH1H101J CHIP C 100PF J
C287 CK73GB1H471K CHIP C 470PF K
C293-295 CC73GCH1H220J CHIP C 22PF J
C296 C92-0863-05 CHIP-TAN 0.047UF 35WV
C303 CS77AA1A6R8M CHIP-TAN 6.8UF 10WV
C304-306 CK73GB1H102K CHIP C 1000PF K
C307 CC73GCH1H100D CHIP C 10PF D
C309 CC73GCH1H180J CHIP C 18PF J
C311 CC73GCH1H100D CHIP C 10PF D
C312 CC73GCH1H040C CHIP C 4.0PF C
C313 CK73GB1H102K CHIP C 1000PF K
C314 C92-0863-05 CHIP-TAN 0.047UF 35WV
C315 CK73GB1C104K CHIP C 0.10UF K
C316 CK73GB1A224K CHIP C 0.22UF K
C317 CK73GB1H102K CHIP C 1000PF K
C318,319 CK73GB1C104K CHIP C 0.10UF K
C320 ✽CS77AA1A2R2M CHIP-TAN 2.2UF 10WV
C321 CC73GCH1H060D CHIP C 6.0PF D
C322 ✽CS77AA1A2R2M CHIP-TAN 2.2UF 10WV
C325 CS77CA1VR22M CHIP-TAN 0.22UF 35WV
C326 CK73FB1C154K CHIP C 0.15UF K
C330,331 CC73GCH1H020C CHIP C 2.0PF C
C400 CC73FCH1H050C CHIP C 5.0PF C
C414 CK73GB1H471K CHIP C 470PF K
C417 CK73GB1H102K CHIP C 1000PF K
C418 C93-0550-05 CHIP C 1.0PF C HK
C419 CC73GCH1H220J CHIP C 22PF J
C421,422 CK73GB1H102K CHIP C 1000PF K HK
C422 CK73GB1H102K CHIP C 1000PF K K
C423 CS77AA1A100M CHIP-TAN 10UF 10WV
C429 CS77AA1A100M CHIP-TAN 10UF 10WV
C432 CK73FB1E103K CHIP C 0.010UF K HK
C434 CK73GB1H471K CHIP C 470PF K
C443-448 CC73GCH1H220J CHIP C 22PF J
C460 CK73GB1C104K CHIP C 0.10UF K
C461 CK73GB1H102K CHIP C 1000PF K
C462 CK73GB1C104K CHIP C 0.10UF K
C463 CK73GB1H471K CHIP C 470PF K
C464 CS77CA1ER47M CHIP-TAN 0.47UF 25WV
C465,466 CK73GB1H471K CHIP C 470PF K
CN1 E40-5737-05 PIN ASSY
CN2 E40-5738-05 PIN ASSY
CN3 E40-3247-05 PIN ASSY
CN4 E40-5738-05 PIN ASSY
CN5 E40-3247-05 PIN ASSY
Ref. No. Address Parts No. Description Desti-
nation
New
parts
Ref. No. Address Parts No. Description Desti-
nation
New
parts
TX-RX UNIT (X57-6450-XX) (A/2)

TK-880/880H
4
PARTS LIST
Ref. No. Address Parts No. Description Desti-
nation
New
parts
Ref. No. Address Parts No. Description Desti-
nation
New
parts
CN6 ✽E41-1682-05 PIN ASSY
CN7 E40-5982-05 FLAT CABLE CONNECTOR
J1 E11-0442-05 3.5D PHONE JACK (3P)
-J31-0543-05 COLLAR (LH-5-1.5)
CF1 L72-0998-05 CERAMIC FILTER
CF2 L72-0986-05 CERAMIC FILTER
L1 L41-1005-33 SMALL FIXED INDUCTOR (10UH)
L2 L92-0138-05 CHIP FERRITE
L3 L40-1081-44 SMALL FIXED INDUCTOR (100.0NH)
L4 L40-8261-44 SMALL FIXED INDUCTOR (8.2NH) HK
L4 L40-8275-44 SMALL FIXED INDUCTOR (82.0NH) K
L5 L41-1095-33 SMALL FIXED INDUCTOR (1.0UH)
L6 L34-4787-05 COIL
L7 L40-8281-37 SMALL FIXED INDUCTOR (0.820UH)
L8 L92-0138-05 CHIP FERRITE
L9 L40-1875-44 SMALL FIXED INDUCTOR (18.0NH)
L10 L92-0191-05 CHIP FERRITE
L200 L40-1875-54 SMALL FIXED INDUCTOR (18NH) HK
L203 L79-1585-05 HELICAL BLOCK
L205 ✽L41-1075-33 SMALL FIXED INDUCTOR (0.01UH)
L206 ✽L41-1575-33 SMALL FIXED INDUCTOR (0.015UH)
L207 L79-1585-05 HELICAL BLOCK
L208 L40-2275-92 SMALL FIXED INDUCTOR (22NH) HK
L209 L40-6861-44 SMALL FIXED INDUCTOR (6.8NH) HK
L210-212 L39-1272-15 TOROIDAL COIL
L213 L40-1581-37 SMALL FIXED INDUCTOR (0.150UH)
L216,217 ✽L41-1575-33 SMALL FIXED INDUCTOR (0.015UH)
L218 ✽L41-6875-33 SMALL FIXED INDUCTOR (0.068UH)
L219 ✽L41-1075-33 SMALL FIXED INDUCTOR (0.01UH)
L220 L34-4478-05 AIR-CORE COIL
L221 L34-1185-05 AIR-CORE COIL
L222 L34-1039-05 AIR-CORE COIL
L223 L34-0908-05 AIR-CORE COIL
L224 L34-1039-05 AIR-CORE COIL
L302 L92-0148-05 CHIP FERRITE
L303 L41-2275-33 SMALL FIXED INDUCTOR (0.022UH)
L305,306 L40-1275-92 SMALL FIXED INDUCTOR (12NH)
L400,401 L92-0179-05 CHIP FERRITE
X1 L77-1946-05 TCXO (16.8MHZ)
X2 L77-1762-05 CRYSTAL RESONATOR (44.395MHZ)
XF1 L71-0572-05 MCF (44.85MHZ)
R1 RK73GB2A102J CHIP R 1.0K J 1/10W
R2 RK73GB2A000J CHIP R 0.0 J 1/10W
R3 RK73GB2A101J CHIP R 100 J 1/10W
R4 RK73GB2A102J CHIP R 1.0K J 1/10W
R6,7 RK73GB2A000J CHIP R 0.0 J 1/10W
R8 RK73GB2A102J CHIP R 1.0K J 1/10W
R9 RK73GB2A000J CHIP R 0.0 J 1/10W
R10,11 RK73GB2A102J CHIP R 1.0K J 1/10W
R12 RK73GB2A000J CHIP R 0.0 J 1/10W
R14 RK73GB2A473J CHIP R 47K J 1/10W
R15 RK73GB2A103J CHIP R 10K J 1/10W
R16 RK73GB2A184J CHIP R 180K J 1/10W
R17 RK73GB2A000J CHIP R 0.0 J 1/10W
R19 RK73GB2A153J CHIP R 15K J 1/10W
R20 RK73GB2A104J CHIP R 100K J 1/10W
R21 RK73GB2A563J CHIP R 56K J 1/10W
R22 RK73GB2A104J CHIP R 100K J 1/10W
R23 RK73GB2A184J CHIP R 180K J 1/10W
R25 RK73GB2A394J CHIP R 390K J 1/10W
R26 RK73GB2A104J CHIP R 100K J 1/10W
R27 RK73GB2A473J CHIP R 47K J 1/10W
R28 RK73GB2A000J CHIP R 0.0 J 1/10W
R29 RK73GB2A220J CHIP R 22 J 1/10W
R30 RK73GB2A224J CHIP R 220K J 1/10W
R31 RK73GB2A104J CHIP R 100K J 1/10W
R32 RK73GB2A474J CHIP R 470K J 1/10W
R33 RK73GB2A562J CHIP R 5.6K J 1/10W
R34 RK73GB2A000J CHIP R 0.0 J 1/10W
R35 RK73GB2A223J CHIP R 22K J 1/10W
R36 RK73GB2A103J CHIP R 10K J 1/10W
R37 RK73GB2A000J CHIP R 0.0 J 1/10W
R39 RK73GB2A101J CHIP R 100 J 1/10W
R40 RK73GB2A152J CHIP R 1.5K J 1/10W
R41 RK73GB2A122J CHIP R 1.2K J 1/10W
R42 RK73GB2A104J CHIP R 100K J 1/10W
R44 RK73GB2A154J CHIP R 150K J 1/10W
R45 RK73GB2A104J CHIP R 100K J 1/10W
R46 RK73GB2A103J CHIP R 10K J 1/10W
R47 RK73GB2A473J CHIP R 47K J 1/10W
R48 RK73GB2A471J CHIP R 470 J 1/10W
R49 RK73GB2A391J CHIP R 390 J 1/10W
R50 RK73GB2A103J CHIP R 10K J 1/10W
R52 RK73GB2A000J CHIP R 0.0 J 1/10W
R53 RK73GB2A274J CHIP R 270K J 1/10W
R54 RK73GB2A104J CHIP R 100K J 1/10W
R56 RK73GB2A103J CHIP R 10K J 1/10W
R57 RK73GB2A473J CHIP R 47K J 1/10W
R58 RK73GB2A102J CHIP R 1.0K J 1/10W
R59 RK73GB2A000J CHIP R 0.0 J 1/10W
R60 RK73GB2A472J CHIP R 4.7K J 1/10W
R61 RK73GB2A822J CHIP R 8.2K J 1/10W
R62 RK73GB2A221J CHIP R 220 J 1/10W
R63-65 RK73GB2A000J CHIP R 0.0 J 1/10W
R66 RK73GB2A392J CHIP R 3.9K J 1/10W
R67,68 RK73GB2A101J CHIP R 100 J 1/10W
R69 RK73GB2A222J CHIP R 2.2K J 1/10W
R70-73 RK73GB2A000J CHIP R 0.0 J 1/10W
R74 RK73GB2A473J CHIP R 47K J 1/10W
R75 RK73GB2A221J CHIP R 220 J 1/10W
R76 RK73GB2A153J CHIP R 15K J 1/10W
R77 RK73GB2A333J CHIP R 33K J 1/10W
R79 RK73GB2A000J CHIP R 0.0 J 1/10W
R80 RK73GB2A473J CHIP R 47K J 1/10W
R85 RK73GB2A821J CHIP R 820 J 1/10W
R86 RK73GB2A000J CHIP R 0.0 J 1/10W
R89 RK73GB2A000J CHIP R 0.0 J 1/10W
R90 RK73GB2A2R2J CHIP R 2.2 J 1/10W
R91 RK73GB2A472J CHIP R 4.7K J 1/10W
R94 RK73GB2A000J CHIP R 0.0 J 1/10W
R96 RK73GB2A331J CHIP R 330 J 1/10W
R97,98 RK73GB2A473J CHIP R 47K J 1/10W
R99 RK73GB2A152J CHIP R 1.5K J 1/10W
R100 RK73GB2A331J CHIP R 330 J 1/10W
R104 RK73GB2A000J CHIP R 0.0 J 1/10W
R106 RK73GB2A000J CHIP R 0.0 J 1/10W
R107 RK73GB2A473J CHIP R 47K J 1/10W
R109 RK73FB2B000J CHIP R 0.0 J 1/8W
TX-RX UNIT (X57-6450-XX) (A/2)

TK-880/880H
5
PARTS LIST
Ref. No. Address Parts No. Description Desti-
nation
New
parts
Ref. No. Address Parts No. Description Desti-
nation
New
parts
R110 RK73GB2A470J CHIP R 47 J 1/10W
R111,112 RK73GB2A472J CHIP R 4.7K J 1/10W
R113 RK73GB2A000J CHIP R 0.0 J 1/10W
R114 RK73GB2A392J CHIP R 3.9K J 1/10W
R115 RK73GB2A000J CHIP R 0.0 J 1/10W
R116 RK73GB2A473J CHIP R 47K J 1/10W
R119 RK73GB2A103J CHIP R 10K J 1/10W
R120 RK73GB2A682J CHIP R 6.8K J 1/10W HK
R120,121 RK73GB2A472J CHIP R 4.7K J 1/10W K
R121 RK73GB2A472J CHIP R 4.7K J 1/10W HK
R122 RK73GB2A392J CHIP R 3.9K J 1/10W
R123 RK73GB2A153J CHIP R 15K J 1/10W
R124-126 RK73GB2A223J CHIP R 22K J 1/10W
R128 RK73GB2A223J CHIP R 22K J 1/10W
R129 RK73GB2A100J CHIP R 10 J 1/10W
R130,131 RK73GB2A223J CHIP R 22K J 1/10W
R132 RK73GB2A104J CHIP R 100K J 1/10W
R133 RK73GB2A153J CHIP R 15K J 1/10W
R134 RK73GB2A473J CHIP R 47K J 1/10W
R135 RK73RB2H121J CHIP R 120 J 1/2W HK
R135 RK73RB2H151J CHIP R 150 J 1/2W K
R137 RK73GB2A473J CHIP R 47K J 1/10W
R138 RK73FB2B100J CHIP R 10 J 1/8W
R139 RK73FB2B000J CHIP R 0.0 J 1/8W K
R140 RK73GB2A000J CHIP R 0.0 J 1/10W
R141 RK73GB2A104J CHIP R 100K J 1/10W
R142 ✽RK73RB2H100J CHIP R 10 J 1/2W
R143 RK73GB2A102J CHIP R 1.0K J 1/10W
R144 RK73GB2A223J CHIP R 22K J 1/10W
R145 RK73GB2A104J CHIP R 100K J 1/10W
R146 RK73RB2H471J CHIP R 470 J 1/2W
R147 RK73FB2B223J CHIP R 22K J 1/8W HK
R147 RK73FB2B822J CHIP R 8.2K J 1/8W K
R148 RK73FB2B472J CHIP R 4.7K J 1/8W
R149 RK73FB2B103J CHIP R 10K J 1/8W
R150 RK73FB2B000J CHIP R 0.0 J 1/8W
R151-153 RK73GB2A000J CHIP R 0.0 J 1/10W
R154 RK73GB2A103J CHIP R 10K J 1/10W
R155 RK73GB2A333J CHIP R 33K J 1/10W
R156 RK73GB2A471J CHIP R 470 J 1/10W
R157 RK73GB2A101J CHIP R 100 J 1/10W
R158,159 RK73FB2B562J CHIP R 5.6K J 1/8W
R162 RK73GB2A122J CHIP R 1.2K J 1/10W
R163 RK73GB2A104J CHIP R 100K J 1/10W
R164 RK73GB2A474J CHIP R 470K J 1/10W
R165 RK73FB2B000J CHIP R 0.0 J 1/8W
R168 RK73GB2A000J CHIP R 0.0 J 1/10W
R169 RK73GB2A104J CHIP R 100K J 1/10W
R170 RK73GB2A000J CHIP R 0.0 J 1/10W
R176 RK73FB2B000J CHIP R 0.0 J 1/8W
R181,182 RK73EB2E000J CHIP R 0.0 J 1/4W
R200 RK73FB2B000J CHIP R 0.0 J 1/8W
R202 RK73FB2B4R7J CHIP R 4.7 J 1/8W K
R203 RK73FB2B221J CHIP R 220 J 1/8W
R204 RK73FB2B101J CHIP R 100 J 1/8W
R205 RK73FB2B121J CHIP R 120 J 1/8W
R206 RK73FB2B221J CHIP R 220 J 1/8W
R209,210 RK73GB2A104J CHIP R 100K J 1/10W
R211 RK73GB2A332J CHIP R 3.3K J 1/10W
R212,213 RK73GB2A102J CHIP R 1.0K J 1/10W
R214 RK73GB2A101J CHIP R 100 J 1/10W
R215 RK73GB2A100J CHIP R 10 J 1/10W
R217,218 RK73GB2A104J CHIP R 100K J 1/10W
R220 RK73GB2A271J CHIP R 270 J 1/10W
R221 RK73GB2A222J CHIP R 2.2K J 1/10W
R223 RK73GB2A102J CHIP R 1.0K J 1/10W
R224,225 RK73GB2A000J CHIP R 0.0 J 1/10W
R226 RK73GB2A682J CHIP R 6.8K J 1/10W
R227 RK73GB2A000J CHIP R 0.0 J 1/10W K
R228 RK73GB2A102J CHIP R 1.0K J 1/10W
R229 RK73GB2A222J CHIP R 2.2K J 1/10W
R230 RK73GB2A682J CHIP R 6.8K J 1/10W
R231 RK73GB2A103J CHIP R 10K J 1/10W
R232 RK73GB2A000J CHIP R 0.0 J 1/10W
R233 RK73GB2A470J CHIP R 47 J 1/10W
R234 RK73GB2A270J CHIP R 27 J 1/10W
R235 RK73GB2A152J CHIP R 1.5K J 1/10W
R236 RK73GB2A101J CHIP R 100 J 1/10W
R237 RK73GB2A471J CHIP R 470 J 1/10W
R238 RK73GB2A221J CHIP R 220 J 1/10W
R239 RK73GB2A100J CHIP R 10 J 1/10W
R240 RK73GB2A222J CHIP R 2.2K J 1/10W
R241 RK73GB2A100J CHIP R 10 J 1/10W
R242 RK73GB2A681J CHIP R 680 J 1/10W
R243 RK73GB2A331J CHIP R 330 J 1/10W
R244 RK73GB2A152J CHIP R 1.5K J 1/10W
R250 RK73GB2A000J CHIP R 0.0 J 1/10W
R251 RK73GB2A474J CHIP R 470K J 1/10W
R252 RK73RB2H220J CHIP R 22 J 1/2W
R300 RK73GB2A560J CHIP R 56 J 1/10W
R301-303 RK73GB2A102J CHIP R 1.0K J 1/10W
R304 RK73GB2A000J CHIP R 0.0 J 1/10W
R305 RK73GB2A103J CHIP R 10K J 1/10W
R306 RK73GB2A471J CHIP R 470 J 1/10W
R307 RK73GB2A000J CHIP R 0.0 J 1/10W
R308 RK73GB2A101J CHIP R 100 J 1/10W
R309 RK73GB2A683J CHIP R 68K J 1/10W
R310 RK73GB2A103J CHIP R 10K J 1/10W
R311 RK73GB2A271J CHIP R 270 J 1/10W
R312 RK73GB2A102J CHIP R 1.0K J 1/10W
R313 RK73GB2A103J CHIP R 10K J 1/10W
R314 RK73GB2A123J CHIP R 12K J 1/10W
R315 RK73GB2A222J CHIP R 2.2K J 1/10W
R316,317 RK73GB2A000J CHIP R 0.0 J 1/10W
R318 RK73GB2A221J CHIP R 220 J 1/10W
R319 RK73GB2A102J CHIP R 1.0K J 1/10W
R320 RK73GB2A000J CHIP R 0.0 J 1/10W
R400-402 RK73FB2B000J CHIP R 0.0 J 1/8W
R403 RK73GB2A000J CHIP R 0.0 J 1/10W
R406 RK73GB2A394J CHIP R 390K J 1/10W
R408 RK73GB2A000J CHIP R 0.0 J 1/10W
R411 RK73GB2A472J CHIP R 4.7K J 1/10W
R413 RK73GB2A473J CHIP R 47K J 1/10W
R414 RK73GB2A000J CHIP R 0.0 J 1/10W
R415 RK73GB2A103J CHIP R 10K J 1/10W
R416 RK73GB2A822J CHIP R 8.2K J 1/10W
R417 RK73GB2A122J CHIP R 1.2K J 1/10W
R418 RK73GB2A473J CHIP R 47K J 1/10W
R419 RK73GB2A000J CHIP R 0.0 J 1/10W
R420,421 RK73FB2B000J CHIP R 0.0 J 1/8W
TX-RX UNIT (X57-6450-XX) (A/2)

TK-880/880H
6
PARTS LIST
Ref. No. Address Parts No. Description Desti-
nation
New
parts
Ref. No. Address Parts No. Description Desti-
nation
New
parts
R422 RK73GB2A000J CHIP R 0.0 J 1/10W
R425 RK73GB2A000J CHIP R 0.0 J 1/10W
R426 RK73FB2B221J CHIP R 220 J 1/8W
R430 RK73FB2B221J CHIP R 220 J 1/8W
R450 RK73FB2B000J CHIP R 0.0 J 1/8W
R451 RK73GB2A562J CHIP R 5.6K J 1/10W HK
R452 RK73GB2A000J CHIP R 0.0 J 1/10W K
R452 RK73GB2A122J CHIP R 1.2K J 1/10W HK
R453 RK73GB2A102J CHIP R 1.0K J 1/10W
R454 RK73GB2A103J CHIP R 10K J 1/10W
R455 RK73GB2A182J CHIP R 1.8K J 1/10W
R456 RK73GB2A102J CHIP R 1.0K J 1/10W
R457 RK73GB2A154J CHIP R 150K J 1/10W
R458 RK73GB2A103J CHIP R 10K J 1/10W
R459 RK73GB2A153J CHIP R 15K J 1/10W
R460 RK73GB2A822J CHIP R 8.2K J 1/10W
R461 RK73GB2A103J CHIP R 10K J 1/10W
R462 RK73GB2A682J CHIP R 6.8K J 1/10W
VR1 R32-0656-05 SEMI FIXED VARIABLE RESISTOR HK
VR1 R32-0658-05 SEMI FIXED VARIABLE RESISTOR K
D1-6 DA204U DIODE
D7 ✽02DZ20F-Y,Z ZENER DIODE
D8,9 DA204U DIODE
D11 DAN202U DIODE
D12-14 DA204U DIODE
D16 1SS355 DIODE
D17 DA204U DIODE
D20 1SS355 DIODE
D21 02DZ5.6F-X,Y ZENER DIODE
D22,23 DAN235E DIODE
D24 ✽MINISMDC07502F VARISTOR
D26 1SS355 DIODE
D27 HSM88AS DIODE
D28 02DZ15F-X,Y ZENER DIODE
D30 HSM88AS DIODE
D31 1SS355 DIODE
D32 22ZR-10D SURGE ABSORBER
D34 02DZ18F-X,Y ZENER DIODE
D35 MA742 DIODE
D37 DSA3A1 DIODE
D40,41 HVC131 DIODE
D200 HSM88AS DIODE
D203-206 1SV280 VARIABLE CAPACITANCE DIODE
D207 DA204U DIODE
D209 MA4PH633 DIODE
D210,211 ✽L709CER DIODE
D401 MA2S077 DIODE HK
D402 MA4PH633 DIODE HK
D407 02DZ5.6F-X,Y ZENER DIODE
D408 1SS355 DIODE
IC1 TA75W01FUF MOS-IC
IC2,3 TA75W558FU MOS-IC
IC4 TC4S66F MOS-IC
IC5 ✽M62363FPDF0J MOS-IC
IC6 TA75W01FUF MOS-IC
IC7,8 BU4094BCFV MOS-IC
IC9 TA78L05FF MOS-IC
IC10 ✽LA4422-E BI-POLAR IC
IC11 TA31136FNG MOS-IC
IC12 TA78L05FF MOS-IC
IC13 AN8009M MOS-IC
IC14 TA7808S MOS-IC
IC15 TC4013BF(N) MOS-IC
IC200 GN2011(Q) MOS-IC
IC300 CD8468 MOS-IC
IC400 RA30H4452M123 MOS-IC K
IC400 ✽RA45H4452M131 MOS-IC HK
IC401 NJM2904V MOS-IC
IC402 ✽TA75S01F-F MOS-IC
Q1 2SK1824-A FET
Q2,3 2SC2412K(S) TRANSISTOR
Q4 DTD114EK DIGITAL TRANSISTOR
Q5,6 DTC114EE DIGITAL TRANSISTOR
Q7 ✽2SC5110-F(O) TRANSISTOR
Q8 DTC363EU DIGITAL TRANSISTOR
Q9 DTA114YUA DIGITAL TRANSISTOR
Q10 DTC114EE DIGITAL TRANSISTOR
Q11 2SA1362-F(Y) TRANSISTOR
Q12 2SB1132(Q,R) TRANSISTOR
Q13 DTC114EE DIGITAL TRANSISTOR
Q15 2SC2059K(P) TRANSISTOR
Q16 DTC144EE DIGITAL TRANSISTOR
Q17 2SC2412K(S) TRANSISTOR
Q18 2SK1824-A FET
Q22 DTC114EE DIGITAL TRANSISTOR
Q23 DTA114EE DIGITAL TRANSISTOR
Q24 DTC144EE DIGITAL TRANSISTOR
Q25,26 DTA114EE DIGITAL TRANSISTOR
Q27 2SA1641(S,T) TRANSISTOR
Q28,29 DTC114EE DIGITAL TRANSISTOR
Q30 DTA114EE DIGITAL TRANSISTOR
Q31 DTC114EE DIGITAL TRANSISTOR
Q32 2SK1824-A FET
Q201 2SC3357-A TRANSISTOR
Q202 2SC4093(R27) TRANSISTOR
Q203-205 2SC3357-A TRANSISTOR
Q300 ✽2SC4215-F(Y) TRANSISTOR
Q301,302 2SC3722K(S) TRANSISTOR
Q401-403 DTC114EE DIGITAL TRANSISTOR
Q404 2SC4116(Y)F TRANSISTOR
A1 X58-4550-10 SUB UNIT
C102 CK73GB1H471K CHIP C 470PF K
C104 CC73GCH1H080B CHIP C 8.0PF B
C105 CC73GCH1H060B CHIP C 6.0PF B
C107 CC73GCH1H050B CHIP C 5.0PF B
C108 CC73GCH1HR75B CHIP C 0.75PF B
C110 CC73GCH1H040B CHIP C 4.0PF B
C111 CC73GCH1H030B CHIP C 3.0PF B
C112 CC73GCH1H010B CHIP C 1.0PF B
C113 CC73GCH1H1R5B CHIP C 1.5PF B
C114 CC73GCH1H030B CHIP C 3.0PF B
C115 CC73GCH1H040B CHIP C 4.0PF B
C116 CC73GCH1H050B CHIP C 5.0PF B
C117 CK73GB1H471K CHIP C 470PF K
C118 CC73GCH1H090D CHIP C 9.0PF D
C119,120 CK73GB1H471K CHIP C 470PF K
PLL/VCO (X58-4550-10)
TX-RX UNIT (X57-6450-XX) (A/2)
PLL/VCO (X58-4550-10)
If a part reference number is listed in a shaded box, that part does not come with the PCB.

TK-880/880H
7
PARTS LIST
Ref. No. Address Parts No. Description Desti-
nation
New
parts
Ref. No. Address Parts No. Description Desti-
nation
New
parts
C121 CC73GCH1H090B CHIP C 9.0PF B
C122 CC73GCH1H0R5C CHIP C 0.5PF C
C123 CK73GB1H471K CHIP C 470PF K
C124 CC73GCH1H0R5C CHIP C 0.5PF C
C125 CC73GCH1H040C CHIP C 4.0PF C
C126,127 CK73GB1H471K CHIP C 470PF K
C128 CK73FB1E104K CHIP C 0.10UF K
C129 CK73GB1H471K CHIP C 470PF K
TC106 C05-0384-05 CERAMIC TRIMMER CAPACITOR (10P)
TC109 C05-0384-05 CERAMIC TRIMMER CAPACITOR (10P)
CN101 E40-5699-05 PIN ASSY
-F10-2279-04 SHIELDING CASE
L101-104 L41-1595-33 SMALL FIXED INDUCTOR (1.5UH)
L105 L34-4574-05 AIR-CORE COIL
L106 L34-4573-05 AIR-CORE COIL
L107,108 L40-1098-76 SMALL FIXED INDUCTOR (1UH)
L109,110 L41-1595-33 SMALL FIXED INDUCTOR (1.5UH)
L111 L33-0751-05 SMALL FIXED INDUCTOR
R101 RK73GB2A101J CHIP R 100 J 1/10W
R102 RK73GB2A000J CHIP R 0.0 J 1/10W
R103 RK73GB2A683J CHIP R 68K J 1/10W
R104 RK73GB2A101J CHIP R 100 J 1/10W
R105 RK73GB2A154J CHIP R 150K J 1/10W
R106 RK73GB2A101J CHIP R 100 J 1/10W
R107-110 RK73GB2A103J CHIP R 10K J 1/10W
R111 RK73GB2A470J CHIP R 47 J 1/10W
R112 RK73GB2A151J CHIP R 150 J 1/10W
R113 RK73GB2A181J CHIP R 180 J 1/10W
R114 RK73GB2A470J CHIP R 47 J 1/10W
R115 RK73GB2A103J CHIP R 10K J 1/10W
R116 RK73GB2A392J CHIP R 3.9K J 1/10W
R117 RK73GB2A101J CHIP R 100 J 1/10W
R118 RK73GB2A000J CHIP R 0.0 J 1/10W
D101-104 ✽1SV283F VARIABLE CAPACITANCE DIODE
D105 1SV214-F VARIABLE CAPACITANCE DIODE
Q101 2SK508NV(K52) FET
Q102 DTC114EUA DIGITAL TRANSISTOR
Q103 2SK508NV(K52) FET
Q104,105 ✽2SC4081 TRANSISTOR
Q106 ✽2SC4226-A(R24) TRANSISTOR
PLL/VCO (X58-4550-10)

TK-880/880H
8
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment Unit Terminal PartsUnit Method
ADJUSTMENT
Transmitter Section
1. Frequency 1) Set test mode Power meter Rear ANT Check 470.100MHz±100Hz
Select “FREQ”in tuning mode. F. counter panel
PTT : ON
2. Power 1) Maximum power TX-RX VR1 26.0W : K±0.5W : K
output Set test mode (A/2) 40.0W : HK ±2.0W : HK
Select “H POW”in tuning mode.
“H HPOW256”: K
“H HPOW250”: HK
PTT : ON
3. High power 1) Set test mode 25.0W : K±1.0W : K
adjust/check Select “H POW”in tuning mode. 40.0W : HK ±2.0W : HK
“L HPOW”
PTT : ON
2) “L2 HPOW”
PTT : ON
3) “C HPOW”
PTT : ON
4) “H2 HPOW”
PTT : ON
K5) “H HPOW”
PTT : ON
HK 6) “H HPOW”Check 40W±2W
PTT : ON
4. Low power 1) Set test mode Power meter 5.0W : K±0.5W : K
adjust Select “L POW”in tuning mode. 10.0W : HK ±1.0W : HK
“L LPOW”
PTT : ON
2) “L2 LPOW”
PTT : ON
3) “C LPOW”
PTT : ON
4) “H2 LPOW”
PTT : ON
5) “H LPOW”
PTT : ON
5. Power check 1) Set test mode Power meter ANT Check 25W±1W, 7A or less : K
CH : CH1 - Sig1 40W±2W, 12A or less : HK
CH2 - Sig1 Ammeter DC IN
CH3 - Sig1
PTT : ON

TK-880/880H
9
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment Unit Terminal PartsUnit Method
ADJUSTMENT
6. Modulation 1) Set test mode Power meter Rear ANT Make the de- (Wide/Narrow)
balanced MIC input : OFF Deviation panel modulation
Select “BAL”in tuning mode. meter waves into square
“L BAL” Oscilloscope waves.
Deviation meter filter
LPF : 15kHz AF VTVM Front MIC
HPF : OFF AG panel
De-emphasis : OFF
PTT : ON
2) “C BAL”
PTT : ON
3) “H BAL”
PTT : ON
7. Maximum 1) Set test mode 3.8kHz (Wide) ±50Hz (Wide/Narrow)
deviation Connect AG to the MIC 1.75kHz (Narrow)
terminal. (According to the
Select “MAX”in tuning mode. larger +, –)
“L MAX”
AG : 1kHz/50mV
Deviation meter filter
LPF : 15kHz
HPF : OFF
De-emphasis : OFF
PTT : ON
2) “C MAX”
PTT : ON
3) “H MAX”
PTT : ON
8. MIC 1) Set test mode Check ±3kHz±0.2kHz (Wide)
sensitivity CH : CH1 - Sig1 ±1.5kHz±0.05kHz (Narrow)
check AG : 1kHz/5mV
PTT : ON
9. QT deviation 1) Set test mode 0.75kHz (Wide) ±50Hz (Wide/Narrow)
Select “FQT”in tuning mode. 0.35kHz (Narrow)
“L FQT”
Deviation meter filter
LPF : 3kHz
HPF : OFF
PTT : ON
2) “C FQT”
PTT : ON
3) “H FQT”
PTT : ON

TK-880/880H
10
Item Condition
Measurement Adjustment
Specifications/Remarks
Test-
equipment Unit Terminal PartsUnit Method
ADJUSTMENT
10. DQT 1) Set test mode Power meter Rear ANT 0.75kHz (Wide) ±50Hz (Wide/Narrow)
deviation
Select “F DQT”in tuning mode. Deviation panel 0.35kHz (Narrow)
“L FDQT”meter
Deviation meter filter
Oscilloscope
LPF : 3kHz
HPF : OFF AF VTVM Front MIC
PTT : ON AG panel
2) “C FDQT”
PTT : ON
3) “H FDQT”
PTT : ON
11. Fine LTR 1) Set test mode 1.0kHz (Wide) ±50Hz (Wide/Narrow)
Select “FLTR”in tuning mode. 0.75kHz (Narrow)
“L FLTR”
deviation meter filter
LPF : 3kHz
HPF : OFF
PTT : ON
2) “C FLTR”
PTT : ON
3) “H FLTR”
PTT : ON
12. DTMF 1) Set test mode 3.0kHz (Wide) ±0.2kHz (Wide)
deviation Select “DTMF”in tuning mode. 1.5kHz (Narrow) ±0.1kHz (Narrow)
Deviation meter filter
LPF : 15kHz
HPF : OFF
PTT : ON
13. MSK 1) Set test mode 3.0kHz (Wide) ±0.1kHz (Wide/Narrow)
deviation Select “FMSK”in tuning mode. 1.5kHz (Narrow)
Deviation meter filter
LPF : 15kHz
HPF : OFF
PTT : ON
14. TONE 1) Set test mode 3.0kHz (Wide) ±0.1kHz (Wide/Narrow)
deviation Select “TONE”in tuning mode. 1.5kHz (Narrow)
Deviation meter filter
LPF : 15kHz
HPF : OFF
PTT : ON

11
ABCDE FGH I J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN101
ST
HT
E
9CL
8CL
MD
CV
J72-0618-02
J72-0618-02
G
S
D
G
S
D
C107
C114
C121
C118
C111
C123
D105
C120
R116
C110
C108
R101
R102
TC106
L101
TC109
R117
R106
R105
C113
C124
L111
R112 R113
L102
C112
C127
D101
D102
D103
D104
L108
C128
Q101
Q103
L103
L104
C102
C126
C117
C119
R110
C125
CV
MD
8CL
9CL
E
HT
ST
R107
C115
C104
C105
R103
R108
R104
C116
L110
L109
C122
R115
R109
R114
R111
C129
R118
L107
Q102
Q104
Q105 Q106
L105
L106
PC BOARD TK-880/880H
PLL/VCO (X58-4550-10) Component side view (J72-0618-02)
PLL/VCO (X58-4550-10) Foil side view (J72-0618-02)
Component side
Foil side
Layer 1
Layer 2
Component side
Foil side
Layer 1
Layer 2
Ref. No. Address
Q101 12C
Q102 11C
Q103 9C
Q104 11B
Q105 11B
Q106 11E
D101 13F
D102 9F
D103 13F
D104 9F
D105 10E

12
JIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R415
R416
R418
R419
R422
C45
+
C210
C211
TV
C213
C214
C218 TP2
TP1
Q16
C220
C221
C222
C223
C224
R457
A1: X58-4550
C423
R460
C231
R461
C233
Q32
G
SD
C432
C91
C93
C94
C98
C99
C443
C447 C448
Q300
C267
D401
C465
C273
L303
L305L306
XF1
R304
R110
R306
R112
R307
R113
R308
R119
R316
R122
R317
R318
R319
L6
R135
R139
C101
C102
C107
R149
C303
C304
C313
C315
C320C322
C330
C331
Q401
C
C178
L211
TP4
L213
IC300
1
1011
20
R89
L222
ST
HT
E
9CL
8CL
MD
CV
+
TP3
+
R210
R420
C201
C204
C207C209
C212
Q17
C419
C97
C445
D203
D204
C266
C269
D211
C272
R115
R120
C125 C129
C140
VR1
L200
L203
L208
L220
L221
L223
L224
R202
R209
R417
R458
R459
C422
R462
C466
IC401
1
45
8
IC402 1
34
5
C131
R217
R218
R225
R227
C216
D205
D206
C277
C281
R300
R301 R302 R303
R309
R310
L8
R320
C305
C306
C307 C309
C311
C312
C317
C321
C161
L207
L209
R220
R228 R230 R232
C59
C237 C241
Q301 Q302
L302
R305
R111
R114
R311
R312
R313 R314
R315
R121
L2
R129
C100
C314
C316
C318 C319
C325
C326
R68
R221
R224
R229
R233
R234
R250
C230
C239
C243
C280
Q203
B C
E
L5
IC11
1
89
16
C262
C293
C446
+
++
+
+
+
+
TK-880/880H PC BOARD
TX-RX UNIT (X57-6450-XX) (A/2)
-10 : K -13 : HK
Component side view (J72-0974-09 A/2)

13
JKLMNOPQRS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C40
C45
+
C54
C63
Q13
C96
C98
C99
D7
D11
D16
R119
D37
C101
C
107
IC9 G
O
I
CF1 (F)
C133
Q8
R6
R7
R8
R47
R48
R49
R57
R60
C173
C174
R74
R80
R85
CN1
CN4
CN5
R91
CN6
X2
R97
R99
C10
C11
C12
C14
C15
+
+
+
+
+
+
+
+
+
J72-0974-09 A/2
D8
D9
D12
D13
L5
IC5
1
CF2 (G)
R16
C16
11
1
8
C7 C9
D14
RSSI
R3 R4
R98
C48 Q10
C90
C295
C68
R450
C257
C294
R76 R77
R200
C444
C132
IC14
OGI
C65 C70
C71
C74
C75
C77
C79
J1
EXT. SP
D24
D32
R176
Q9
C152
R50
R58
R70
IC10110
E2
1SP
SPI 3
1
SPO
PA
C1
8SQ
PTT MI/TXS ME/AM DI IGN
AHK/BUSY DEO
1
C2 C3
C4
C5 C6
C8
3 1
Q4
Q5 Q6
R1 R2
CN2
CN3
C13 TXD1
RDX1
LOK
+
12 13
24
SQ2
C1 C2
C3 C4 5C RD2 DEO
FW
OP SQ RD1 TD2
TD1
E
ST
+
+B
E
E
SB 3
3
LOK/DTC/TXS/PSW
MM
LOK/AM1 1
E
HOR
TX-RX UNIT (X57-6450-XX) (A/2)
-10 : K -13 : HK
Component side view (J72-0974-09 A/2)
PC BOARD TK-880/880H
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4
Ref. No. Address
IC5 10L
IC9 9N
IC10 7R
IC11 12J
IC14 6N
IC300 10G
IC401 7F
IC402 6E
Q4 10R
Q5 10R
Q6 10Q
Q8 9N
Q9 9P
Q10 7M
Q13 7L
Q16 11I
Q17 6F
Q32 11I
Q203 13E
Q300 9E
Q301 11F
Q302 11E
Q401 7G
D7 11R
D8 12L
D9 12L
D11 8L
D12 12L
D13 12L
D14 12M
D16 9Q
D24 9Q
D32 4O
D37 6O
D203 8A
D204 9C
D205 11A
D206 11C
D211 5D
D401 6D

JKLMNOPQRSIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R415
R416
R418
R419
C40
R422
C45
+
+
C54
C210
C211
TV
C213
C63
C214
Q13
C218 TP2
TP1
Q16
C220
C221
C222
C223
C224
R457
A1: X58-4550
C423
R460
C231
R461
C233
Q32 G
SD
C432
C91
C93
C94
C96
C98
C99
C443
C447 C448
D7
Q300
C267
D401
C465
C273
L303
L305L306
XF1
D11
D16
R304
R110
R306
R112
R307
R113
R308
R119
R316
R122
R317
R318
R319
L6
D37
R135
R139
C101
C102
C107
R149
C303
C304
IC9 G
O
I
CF1 (F)
C313
C315
C320C322
C133
Q8
C330
C331
R6
R7
R8
R47
R48
R49
R57
R60
Q401
C173
C174
C178
R74
L211
TP4
L213
IC300
1
1011
20
R80
R85
R89
L222
CN1
CN4
CN5
R91
CN6
X2
R97
R99
C10
C11
C12
C14
C15
ST
HT
E
9CL
8CL
MD
CV
+
TP3
+
+
+
+
+
+
+
+
+
+
J72-0974-09 A/2
R210
R420
C201
C204
C207C209
C212
Q17
C419
C97
C445
D203
D204
C266
C269
D211
C272
R115
R120
C125 C129
C140
VR1
L200
L203
L208
L220
L221
L223
L224
R202
R209
R417
R458
R459
C422
R462
C466
IC401
1
45
8
IC402 1
34
5
C131
R217
R218
R225
R227
C216
D205
D206
C277
C281
R300
R301 R302 R303
R309
R310
L8
R320
C305
C306
C307 C309
C311
C312
C317
C321
C161
L207
L209
R220
R228 R230 R232
C59
C237 C241
Q301 Q302
L302
R305
R111
R114
R311
R312
R313 R314
R315
R121
L2
R129
C100
C314
C316
C318 C319
C325
C326
R68
R221
R224
R229
R233
R234
R250
C230
C239
C243
C280
Q203
B C
E
D8
D9
D12
D13
L5
IC5
1
CF2 (G)
R16
C16
IC11
1
89
16
C7 C9
D14
RSSI
R3 R4
R98
C48 Q10
C90
C262
C293
C295
C68
R450
C446
C257
C294
R76 R77
R200
C444
C132
IC14
OGI
C65 C70
C71
C74
C75
C77
C79
J1
EXT. SP
D24
D32
R176
Q9
C152
R50
R58
R70
IC10110
E2
1SP
SPI 3
1
SPO
PA
C1
8SQ
PTT MI/TXS ME/AM DI IGN
AHK/BUSY DEO
1
C2 C3
C4
C5 C6
C8
3 1
Q4
Q5 Q6
R1 R2
CN2
CN3
C13 TXD1
RDX1
LOK
+
++
+
+
+
+
12 13
24
SQ2
C1 C2
C3 C4 5C RD2 DEO
FW
OP SQ RD1 TD2
TD1
E
ST
+
+B
E
E
SB 3
3
LOK/DTC/TXS/PSW
MM
LOK/AM1 1
E
HOR
TK-880/880H PC BOARD
TX-RX UNIT (X57-6450-XX) (A/2)
-10 : K -13 : HK
Component side view (J72-0974-09 A/2)
TX-RX UNIT (X57-6450-XX) (A/2)
-10 : K -13 : HK
Component side view (J72-0974-09 A/2)
PC BOARD TK-880/880H
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4
Ref. No. Address
IC5 10L
IC9 9N
IC10 7R
IC11 12J
IC14 6N
IC300 10G
IC401 7F
IC402 6E
Q4 10R
Q5 10R
Q6 10Q
Q8 9N
Q9 9P
Q10 7M
Q13 7L
Q16 11I
Q17 6F
Q32 11I
Q203 13E
Q300 9E
Q301 11F
Q302 11E
Q401 7G
D7 11R
D8 12L
D9 12L
D11 8L
D12 12L
D13 12L
D14 12M
D16 9Q
D24 9Q
D32 4O
D37 6O
D203 8A
D204 9C
D205 11A
D206 11C
D211 5D
D401 6D

14
JIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C22
C24
R408
C29 R411
R413
R414
C36
C42
R426
R430
C400 DB
Q12
B
C
E
R252
12
Q15
C72
R452
C417
R453
C78
C421
C89
C250
C252
C253
C255
C464
D408
R
1
R106
R107
R109
R116
D23
D26
D35
R130
R131
R132
R137
R140
R144
R145
R148
IC2
IC4
1
34
5
C116
C117
C119
C120
C121
R14
C126
C127
R163
R19
R20
C130
R21
R22
R23
Q1
G
SD
R31
C143
R181
R182
C160
C162
Q205
E
C
B
Q402
Q403
R64
Q404
L219
C195
SP
R86
C196
C197
C198
R90
CN7
R203
C19
R206
IC13
PA
+
TR
+
G
O
I
8R
DT
ES
+
1
45
8
+
DM TP3
KEY
DEO
QAD
+
1
33
W/N
T/R
MO
TO
BEEP
8R
PSW
DEO
MM
AFO
ME
MI
AHK
IGN
SB SB
8C
KEY
CK
DT
RSSI
LD ES
EP
EN
APTT
CP
DTC
TXD
RXD
OE
FSW
E
R406
R451
C73 C76
Q27
E
B
C
Q28
C80
Q30
Q31
C462 C463
D407
D20 D21
D28
R128
D31 D34
R143
R146
R150
R151 R152
R153
R154
R155
R156
R17
C136
C137
C142
R33
C144
R36 R39
C151
C179
IC15
R402
Q11 R454
R455
R456
Q25
C429
C88
C256 C258
C461
C284
R138
R141
R142
IC3
1
45
8
IC7
1
1
89
16
89
16
C134
C150
C18
IC12 G
O
I
C20 C21
C23
C28
C31
C46
C61
Q22
Q26
D1
D2
D3 D4
D5
D6
D17
R133
R134
C118
IC8
R157
R10 R11
R12
C123
R15
R168
R25
R30
R32
R9
R44
C166
C167
R59
R63 R65
C175
R71
R72
R73
R94
R37
R251
Q18
G
SD
Q23
Q24
C92
D22
R123
R124
R125
R126
L7
C103
C104
C108
C113
C114
C153C154
C155
C156 C157
R400
R243
C254
L218
R204
R205
+
1
78
14
SB
HOR
PSW LOK
E
RSSI
DEO
TD2
TD1 FW C2 C1
RD1 OP
SQ
RD2 5C C4 C3
++
+
+
++
SB
+
CK
BPO
W/N
BP
8C
+
5C
8T
TK-880/880H PC BOARD
TX-RX UNIT (X57-6450-XX) (A/2)
-10 : K -13 : HK
Foil side view (J72-0974-09 A/2)

15
JKLMNOPQRS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R401
R211
C25
R213
C27 C30
C33
C34
C35
C38
C43
C44
R425
R231
C47
C49
R238
R239
C205
C56
C206
C57
C64
C66
R252
IC400
34
Q15
C227
Q29
C421
C247C248
C249
C250
C251
D200
C265
D207
D209
D402
C275
C282
C283
C287
R104
R107
D40
D41
R147
IC1
1
45
8
IC6
R159
R164 R165
R169
C135
Q2
R26
Q3
R27
R28
R29
Q7
R34
C145
TV
C148
R40
R46
C158
C159
R52
C165
R56
Q202
Q204
Q205
E
C
B
E
C
B
L205
L206
R75
3
A
D
+
CP DT MB
EP
LD
+
OUT IN
8C
TP4
+
+
+
+
9C
1
1
45
8
23
4
9C
H/L
TP1
J72-0974-09 A/2
C32
C41
Q23
C84
C92
C279
R100
L1
R124
C113
C114
R170 R35
X1
R96
R403
R226
R235 R236
R237
C51
C52
R240
C55
R241
R242
R243
C58
R244
C60
C62
C67
C69
C434
C414
C244
C245
C246
C263 C264 C286
L3
L4
L9
C124 C128
R42 R45
R53 R54
R61
R62
R66
R67
R69
L400
L401
L216
L217
R212 R214
R215
C37
C39
C215
C217
C225
C229
C460
IC200
1 34
6
C164
Q201 E
C B
L210
R79
L212
R223
R421
C200
C418
C234
C236
C240 C268
D210
C296
D27
D30
L10
R158
R162
C138
C139
C141
C146
C147
C149
R41
C
+
TP2
ANTE ANT
ST
HT
E
9CL
8CL
MD
CV
Ref. No. Address
IC1 9L
IC2 12G
IC3 9E
IC4 8D
IC6 6M
IC7 9G
IC8 10G
IC12 9H
IC13 6G
IC15 9C
IC200 12P
IC400 12J
Q1 8D
Q2 12N
Q3 11M
Q7 9O
Q11 7F
Q12 7G
Q15 12J
Q18 11I
Q22 10B
Q23 10J
Q24 10I
Q25 10B
Q26 10C
Q27 7D
Q28 8C
Q29 6N
Q30 8B
Q31 8C
Q201 10Q
Q202 7M
Q204 6K
Q205 6J
Q402 8D
Q403 8E
Q404 4G
D1 13D
D2 13B
D3 13C
D4 13C
D5 13D
D6 11B
D17 13D
D20 8B
D21 7B
D22 11I
D23 11H
D26 8C
D27 5P
D28 8C
D30 6Q
D31 8B
D34 8C
D35 12F
D40 9N
D41 9N
D200 9R
D207 7K
D209 5N
D210 6O
D402 5N
D407 4G
D408 5G
TX-RX UNIT (X57-6450-XX) (A/2)
-10 : K -13 : HK
Foil side view (J72-0974-09 A/2)
PC BOARD TK-880/880H
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4

JKLMNOPQRSIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
R401
C22
C24
R211
C25
R213
C27
R408
C29
C30
R411
R413
C33
R414
C34
C35
C36
C38
C42
C43
C44
R425
R231
R426
C47
C49
R238
R239
R430
C205
C56
C206
C57
C400 DB
C64
Q12
B
C
E
C66
R252
IC400
12 34
Q15
C72
R452
C417
R453
C227
C78
Q29
C421
C89
C247C248
C249
C250
C251
C252
C253
C255
D200
C265
D207
D209
D402
C464
D408
C275
C282
C283
C287
R104
R106
R107
R109
R116
D23
D26
D35
R130
R131
R132
R137
D40
D41
R140
R144
R145
R147
R148
IC1
1
45
8
IC2
IC4
1
34
5
C116
IC6
C117
C119
R159
C120
C121
R14
C126
C127
R163
R164
R19
R165
R169
R20
C130
R21
R22
R23
Q1
G
SD
C135
Q2
R26
Q3
R27
R28
R29
Q7
R31
C143
R34
C145
TV
R181
R182
C148
R40
R46
C158
C159
C160
R52
C162
C165
R56
Q202
Q204
Q205
E
C
B
E
C
B
Q402
Q403
R64
Q404
L205
L206
R75
L219
C195
SP
R86
C196
C197
C198
R90
CN7
R203
C19
R206
IC13
PA
+
TR
+
G
O
I
8R
DT
ES
+
1
45
8
+
DM TP3
KEY
DEO
QAD
+
CP DT MB
EP
LD
+
OUT IN
8C
TP4
+
+
+
+
9C
1
1
45
8
23
4
9C
H/L
TP1
J72-0974-09 A/2
1
33
W/N
T/R
MO
TO
BEEP
8R
PSW
DEO
MM
AFO
ME
MI
AHK
IGN
SB SB
8C
KEY
CK
DT
RSSI
LD ES
EP
EN
APTT
CP
DTC
TXD
RXD
OE
FSW
E
R406
R451
C73 C76
Q27
E
B
C
Q28
C80
Q30
Q31
C462 C463
D407
D20 D21
D28
R128
D31 D34
R143
R146
R150
R151 R152
R153
R154
R155
R156
R17
C136
C137
C142
R33
C144
R36 R39
C151
C179
IC15
R402
Q11 R454
R455
R456
Q25
C429
C88
C256 C258
C461
C284
R138
R141
R142
IC3
1
45
8
IC7
1
1
89
16
89
16
C134
C150
C18
IC12 G
O
I
C20 C21
C23
C28
C31
C46
C61
Q22
Q26
D1
D2
D3 D4
D5
D6
D17
R133
R134
C118
IC8
R157
R10 R11
R12
C123
R15
R168
R25
R30
R32
R9
R44
C166
C167
R59
R63 R65
C175
R71
R72
R73
R94
R37
C32
C41
R251
Q18
G
SD
Q23
Q24
C84
C92
C279
R100
D22
L1
R123
R124
R125
R126
L7
C103
C104
C108
C113
C114
R170 R35
C153C154
C155
C156 C157
X1
R96
R400
R403
R226
R235 R236
R237
C51
C52
R240
C55
R241
R242
R243
C58
R244
C60
C62
C67
C69
C434
C414
C244
C245
C246
C254
C263 C264 C286
L3
L4
L9
C124 C128
R42 R45
R53 R54
R61
R62
R66
R67
R69
L400
L401
L216
L217
L218
R204
R205
R212 R214
R215
C37
C39
C215
C217
C225
C229
C460
IC200
1 34
6
C164
Q201 E
C B
L210
R79
L212
R223
R421
C200
C418
C234
C236
C240 C268
D210
C296
D27
D30
L10
R158
R162
C138
C139
C141
C146
C147
C149
R41
+
1
78
14
SB
HOR
PSW LOK
E
RSSI
DEO
TD2
TD1 FW C2 C1
RD1 OP
SQ
RD2 5C C4 C3
++
+
+
++
SB
+
CK
BPO
W/N
BP
8C
+
5C
8T
+
TP2
ANTE ANT
ST
HT
E
9CL
8CL
MD
CV
Ref. No. Address
IC1 9L
IC2 12G
IC3 9E
IC4 8D
IC6 6M
IC7 9G
IC8 10G
IC12 9H
IC13 6G
IC15 9C
IC200 12P
IC400 12J
Q1 8D
Q2 12N
Q3 11M
Q7 9O
Q11 7F
Q12 7G
Q15 12J
Q18 11I
Q22 10B
Q23 10J
Q24 10I
Q25 10B
Q26 10C
Q27 7D
Q28 8C
Q29 6N
Q30 8B
Q31 8C
Q201 10Q
Q202 7M
Q204 6K
Q205 6J
Q402 8D
Q403 8E
Q404 4G
D1 13D
D2 13B
D3 13C
D4 13C
D5 13D
D6 11B
D17 13D
D20 8B
D21 7B
D22 11I
D23 11H
D26 8C
D27 5P
D28 8C
D30 6Q
D31 8B
D34 8C
D35 12F
D40 9N
D41 9N
D200 9R
D207 7K
D209 5N
D210 6O
D402 5N
D407 4G
D408 5G
TK-880/880H PC BOARD
TX-RX UNIT (X57-6450-XX) (A/2)
-10 : K -13 : HK
Foil side view (J72-0974-09 A/2)
TX-RX UNIT (X57-6450-XX) (A/2)
-10 : K -13 : HK
Foil side view (J72-0974-09 A/2)
PC BOARD TK-880/880H
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4

16
TK-880/880H SCHEMATIC DIAGRAM
7
6
5
4
3
2
1
ABCDE
X57-645 (A/2) 1/4
IC300
SA7025DK or CD8468
1CLOCK
2DATA
3STROBE
4VSS
5RFIN
6RFIN
7VCCP
8REFIN
9RA
10 AUXIN
11
PHA
12
VSSA
13
PHI
14
PHP
15
VDDA
16
RN
17
RF
18
LOCK
19
TEST
20
VDD
SB GND
LOK
SQ2
RXD2DEO
TXD2
TXD1
RXD1
SQ
5C
FSW
RSSI
IC9
TA78L05FF
2
COM
3
IN
1OUT
CN1
1
2
3
4
5
6
7
8
D24 MINISMDC07502F
CN7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
CN4
3
1
CN2
3
1
X1
L77-1946-05
16.8MHz
C313
1000p
C316
0.22u
C164
470p
C315 0.1u
C2 1000p
C14 1000p
C317
1000p
C5 1000p
C312
4p
C175
1000p
C32 22p
C21
1000p
C43
0.01u
C160
0.1u
C311
10p
C30
1000p
C9 1000p
C167
10p
C8 1000p
C319
0.1u
C12 1000p
C35
0.01u
C309
18p
C1 1000p
C27
1000p
C330
2p
C4 1000p
C307
10p
C15 1000p
C318 0.1u
C331
2p
C13 1000p
C305
1000p
C460
0.1u
C7 1000p
C306
1000p
C71
0.1u
C39
0.01u
C165
470p
C10 1000p
C6 1000p
C304
1000p
C33
0.01u
C20
0.01u
C11 1000p
C65
0.1u
C3 1000p
C321 6p
R313
10k
R40
1.5k
R301 1k
R165
0
R9 0
R311
270
$R167
R300
56
R94 0
R317
0
R314
12k
R164
470k
R319
1k
R4 1k
R306
470
$R18
R305 10k
R312
1k
R315 2.2k
R170
0
R3 100
$R24
R46
10k
R304
0
R31
100k
R12
0
R309
68k
R303 1k
R34
0
R6 0
R318
220
R27
47k
$R13
R157 100
$R51
R307
0
R32
470k
R35 22k
R302 1k
R22
100k
R320
0
R316
0
R26
100k
R2 0
R16
180k
R7 0
R11 1k
R310
10k
R168
0
R29
22
$R410
R19
15k
R70
0
R8 1k
R1 1k
$R5
R10 1k
R308
100
R28
0
R15
10k
R25
390k
2SC3722K(S)
Q302
2SC4215-F(Y)
Q300
2SC2412K(S)
Q2
2SC2412K(S)
Q3
2SC3722K(S)
Q301
C303
6.8u10
C41
100u16
C34
10u16
C25
4.7u6.3
C37
100u16
C314
0.047u35
C16
4.7u6.3
C322
2.2u10
C23
4.7u6.3
C320
2.2u10
C325
0.22u35
C38
10u16
D3D2D1 D5
D35
MA742
D17D4 D6
L1
10u
L302
L303
22n
L306
12n
L305
12n
$R84
CN3
3
1
IC1
TA75W01FUF
1
2
3
4
5
6
7
8
IC2
TA75W558FU
1
2
3
4
5
6
7
8
TXD1
RXD1
LOK
SB
E
HOR
LOK/DTC/TXS/FSW
MM
LOK/AM
SQ
PTT
MI/TXS
ME/AM
DI
IGN
AHK/BUSY
DEO
FSW
8C
AFO
8R
W/N
APTT
E
LD
RXD
KEY
ME
PSW
T/R
IGN
ES
OE
CK
CP
MI
DEO
MO
SB
TO
EP
DT
DTC
MM
BEEP
SB
EN
AHK
RSSI
TXD
TX-RX UNIT (X57-6450-XX) (A/2)
X57-6450-XX
TX-RX UNIT (B/2)
CONTROL SECTION
D1-6,17
DA204U or HSB123
PLL IC
DC AMP
5V AVR
OVER CURRENT PROTECTION
PROTECTION
DET AMP
CHARGE
RIPPLE FILTER
RIPPLE FILTER
BUFFER AMP
ACTIVE
FILTER
ACTIVE
FILTER
HT
CV
9CL
8CL
8C
9C
W/N
T/R
PSW
TO
8R
MO
BEEP
AFO
IGN
SB
8C
CK
KEY
DT
RSSI
ES
EN
OE
DEO
DI
5C
PTT
HOR
5C
SQ
LOK
AHK
IGN
FC
ME
5.10V
1.56V
5.10V
5.13V
5.13V
8.06V
9.59V
7.87V
8.06V
7.15V 8.77V
3.73V
3.10V
9.42V
Note : The components marked with a dot (•) are parts of layer 1.

17
SCHEMATIC DIAGRAM TK-880/880H
JIHGF
X57-645 (A/2) 2/4, X58-455 1/1
TP1
L10
TV
L8
L203
L79-1585-05
L200
*
IC5
M62363FPDFOJ
1
VIN1
2
VOUT1
3
VOUT2
4
VIN2
5
VDD
6
LD
7
CLK
8
DI
9
VIN3
10
VOUT3
11
VOUT4
12
VIN4
13
VIN5
14
VOUT5
15
VOUT6
16
VIN6
17
DO
18
VDAref
19
RESET
20
GND
21
VIN7
22
VOUT7
23
VOUT8
24
VIN8
C201
*
C56
470p
C44
1000p
C52 1000p
C206
100p
C216
0.01u
C22
1000p
C213
7p
C57
0.01u
C51 1000p
C24
1000p
C40
1000p
C209
4p
C214
7p
C49 1000p
C200
1000p
C60
470p
C47 1000p
C207
10p
C326 0.15u
C225
100p
C215
470p
C212
470p
C161 100p
C58
470p
C19
10p
C204
1000p
C55
2p
C287
470p
C211
470p
C210
7p
C421
*
C205
100p
C28
47p
R413
47k
R53
270k
R17
0
R414
0
R211
3.3k
R33
5.6k
R67
100
R408
0
R36
10k
R20
100k
R47
47k
R39
100
R37
0
R45
100k
R14
47k
R62
220
$R412
$R407
R169
100k
R44
150k
R61
8.2k
R21
56k
R23
180k
$R43
R30
220k
R49
390
R48
470
R209
100k
R212
1k
$R409
R58
1k
R202
*
R59 0
R162
1.2k
R52
0
R411
4.7k
R54
100k
R56
10k
R41
1.2k
R50
10k
$R38
R210
100k
R406
390k
R66
3.9k
R42
100k
2SC5110-F(O)
Q7
C45
4.7u6.3
C429
10u10
C36
10u10
C46
1u16
C42
68u6.3
C29
10u10
C18
4.7u6.3
C31
10u10
Q4
DTD114EK
Q402
DTC114EE
Q6
DTC114EE
Q5
DTC114EE
D200
HSM88AS
2SK1824-A
Q1
D7
02DZ20F(Y,Z)
D204
1SV280
D203
1SV280
L208
*
L205
10n
L3
100n
Q403
DTC114EE
CN101
1
ST
HT
E
9CL
8CL
MD
7
CV
2SC4226-A(R24)
Q106
C125
4p
R117 100
C117
470p
R116
3.9k
R115
10k
R104
100
C126
470p L111
39n
R110
10k
2SC4081
Q105
R111
47
C122
0.5p
Q101
2SK508NV(K52)
L109
1.5n
C118
9p
R113
180
C119
470p
R112
150
2SC4081
Q104
C123
470p
R107
10k
L110
1.5n
C115
4p
L107
1n
L105 C104
8p
R101
100
L101
1.5n
C128
0.1u
C127
470p L103
1.5n
D103
1SV283F
D101
1SV283F
R118
0
C107
5p
D102
1SV283F
C121
9p
L106 R102
0
C129
470p
D104
1SV283F
L102
1.5n
Q103
2SK508NV(K52)
C105
6p
L104
1.5n
C116
5p
L108
1n
Q102
DTC114EUA
R114
47
C124
0.5p
R106
100
R108
10k
C120
470p
C102
470p
C108
0.75p
D105
1SV214-F
C112
1p
C113
1.5p
R103 68k
R105
105k
TC106
10p
C110
4p
TC109
10p
C111
3p
R109
10k
C114
3p
IC3
TA75W558FU
1
2
3
45
6
7
8
IC4
TC4S66F
1
2
34
5
IC6
TA75W01FUF
1
2
3
45
6
7
8
A/D CONVERTER
A1 X58-4550-10 (VCO)
HOR SW CONTROL
HOR SW CONTROL
HOR SW
HOR
PROTECTION
AMP
SUMMING AMP
ANALOG SW
DC SW
DC AMP
VARI-CAP
TUNE
D203,204
BUFFER AMP
OVER VOLTAGE
PROTECTION
RX OSCILLATOR
INVERTOR
BUFFER AMP
TX OSCILLATOR
RX VCO
TX VCO
TX
/ RX SW
MODULATION
TX
/ RX SW
RX VCO
TX VCO
9CL
8CL
CV
HT
8C
9C
W/N
BEEP
PSW
MO
8R
T/R
TO
AFO
IGN
SB
SB
8C
DT
CK
KEY
RSSI
EN
ES
OE
T/R
8C
DEO
DEO
DI
5C
PTT
HOR
5C
SQ SQ
LOK LOK
AHK AHK
IGN IGN
FC
KEY
RSSI
PC
8R
W/N
STR
9C
IGN
OE
ES
DT
CK
5C
HNC
PSW
BPO
VSS
VDD
NO
22n
C201
NO
-13
-10
C421
NOHK
L208
NO4.7
R202 L200
K
12p 1000p
NO
18n
X57-6450-XX(A/2)
ME ME
5.13V
R:0.05V
T:4.36V
R:2.53V
T:4.99V
5.11V
8.06V
8.06V
8.06V
9.59V
8.77V
4.41V
6.75V
R:7.79V
T:0V
R:1.73V
T:0V
LOW:1.55V
CENTER:3.98V
HIGH:8.01V
13.28V
PSW ON:0V
N:0.12V
W:4.96V
2.36V
TX-RX UNIT (X57-6450-XX) (A/2)