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Make/Model Information:

  • Brand:   Kenwood
  • Models included:
    • Kenwood TH-K2AT
    • Kenwood TH-K2E
    • Kenwood TH-K2ET

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   63
  • File size:  ∼ 2.30 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   ROKE-0008

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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144MHz FM TRANSCEIVER
TH-K2AT/K2E/K2ET
© 2003-8 PRINTED IN JAPAN
B51-8658-00 (S) 836
SERVICE MANUAL
DISASSEMBLY FOR REPAIR
CIRCUIT DESCRIPTION
SEMICONDUCTOR DATA
COMPONENTS DESCRIPTION
PARTS LIST
EXPLODED VIEW
PACKING
ADJUSTMENT
TERMINAL FUNCTION
PC BOARD
TX-RX UNIT (X57-674X-XX) (A/3)
TX-RX UNIT (X57-674X-XX) (B/3),(C/3)
CONTENTS
SCHEMATIC DIAGRAM
LEVEL DIAGRAM
BLOCK DIAGRAM
BC-21 (WALL CHARGER)
PB-43N (Ni-MH BATTERY PACK)
BT-14 (BATTERY CASE)
PG-4Y (PROGRAMMING INTERFACE CABLE)
MCP-1A (MEMORY CONTROL PROGRAM)
SPECIFICATIONS
Knob (ENC)
(K29-5159-03)
Knob (VOL)
(K29-5150-03)
Cabinet assy
(16key)
(A02-3819-23)
Helical Antenna
(T90-1018-25)
Key top (16key)
(K29-9272-02)
Front glass
(B10-2746-03) Knob
(PTT/LAMP/MON)
(K29-9274-03)
Knob (ENC)
(K29-5159-03)
Knob (VOL)
(K29-5150-03)
Cabinet assy
(A02-3818-23)
Helical Antenna
(T90-1018-25)
Key top (4key)
(K29-9276-02)
Front glass
(B10-2746-03) Knob
(PTT/LAMP/MON)
(K29-9274-03)
TH-K2AT/K2ET TH-K2E
(SP/MIC/DC IN)
(B09-0675-03)
(SP/MIC/DC IN)
(B09-0675-03)
J I H G F E D C B A
1/F 2/VFO 3/MR F/CALL
VFO 6 5 4
7 89 MR
CALL # 0
LAMP MONI
J72-0883-09 (B/3)
J72-0883-09 (C/3)
TH-K2AT/K2E/K2ET PC BOARD
Component side
Foil side
Layer 1
Layer 2
Layer 3
Layer 4
TX-RX UNIT (X57-674X-XX) (B,C/3) Component side view (J72-0883-09 B,C/3)
0-11 : K,K2 0-21 : M,M2 2-71 : E 2-72 : E3
Ref. No. Address
TH-K2AT/K2E/K2ET
SPECIFICATIONS
KENWOOD CORPORATION 2967-3, Ishikawa-machi, Hachioji-shi, Tokyo 192-8525, Japan KENWOOD U.S.A. CORPORATION P .O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745,
U.S.A. KENWOOD ELECTRONICS CANADA INC. 6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8 KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembrücker Str. 15, 63150 Heusenstamm, Germany KENWOOD ELECTRONICS BELGIUM N.V. Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium KENWOOD ELECTRONICS FRANCE S.A. 13, Boulevard Ney, 75018 Paris, France KENWOOD ELECTRONICS U.K. LIMITED KENWOOD House, Dwight Road, Watford, Herts., WD18 9EB, United Kingdom KENWOOD ELECTRONICS EUROPE B.V. Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
KENWOOD ELECTRONICS ITALIA S.p.A. Via G. Sirtori, 7/9 20129 Milano, Italy KENWOOD IBERICA S.A. Bolivia, 239-08020 Barcelona, Spain KENWOOD ELECTRONICS AUSTRALIA PTY. LTD. (A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113, Australia KENWOOD ELECTRONICS (HONG KONG) LTD. Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,
Kwai Fong, N.T., Hong Kong KENWOOD ELECTRONICS TECHNOLOGIES(S) PTE LTD. Sales Marketing Division
1 Ang Mo Kio Street 63, Singapore 569110
Market code K, K2 M, M2 E E3
Number of memory channels 100 (50) + 9 special
function memories 100 (50) + 8 special function memories
Antenna impedance (Connector type) 50 ? (SMA)
Operating Voltage DC IN Jack DC 12.0 ~ 16.0 V (13.8 V nominal)
Battery terminal DC 6.0 ~ 9.0 V (7.2 V nominal)
Grounding method Negative ground
Current
Transmit with H, 13.8 V (DC IN) 1.8 A or less
Transmit with H, 7.2 V (PB-43N) 2.0 A or less
Transmit with M, 7.2 V (PB-43N) 1.5 A or less
Transmit with L, 7.2 V (PB-43N) 0.8 A or less
Receive (no signal) 100 mA or less
Battery Saver ON (Average) 30 mA or less
Usable temperature range –20° C ~ 60° C (–4° F ~ 140° F)
–10° C ~ 60° C (+14° F ~ 140° F) with PB-43N
Frequency stability Within ±5 ppm (–20° C ~ 60° C)
Dimensions (WxHxDProjections not included) 58 x 110 x 28.4 mm/27/16"x46/16"x12/16" with PB-43N
58 x 110 x 29.6 mm/27/16"x46/16"x15/32" with BT-14
weight Approx. 320g/11.3 oz with PB-43N
Approx. 320g/11.3 oz with BT-14
Transmission Mode F3E (FM) / F2D (FM)
Frequency range 144 ~ 148 MHz 136 ~ 174 MHz 144 ~ 146 MHz
Output Power
DC-IN jack (13.8 V) H: 5.0 W (approx.) M: 1.5 W (approx.) L: 0.5 W (approx.)
PB-43N (7.2 V) H: 5.0 W (approx.) M: 1.5 W (approx.) L: 0.5 W (approx.)
BT-14 (9.0 V) H: 3.5 W (approx.) M: 1.2 W (approx.) L: 0.3 W (approx.)
Modulation Reactance
Maximum frequency deviation ±5 kHz (FM) / ±2.5 kHz (NFM)
Squrious emissions –60 dB or less (H and M power), –50 dB or less (L power)
Microphone impedance 2 k?
Reception Mode F3E (FM) / F2D (FM)
Frequency range 136 ~ 174 MHz 144 ~ 146 MHz
Intermediate Frequency (IF) 1st IF : 38.85 MHz
2nd IF : 450kHz
Circuit type Double super - heterodyne
Sensitivity FM (12 dB SINAD)
2m amateur radio band: 0.18 µV orless
Squelch Sensitivity 0.13 µV orless (within 2m amateur radio band)
Selectivity –6 dB / 10 kHz or less
–40 dB / 28kHz or less (within 2m amateur radio band)
Audio output (10% distortion) 400 mW or higher (7.2 V, 8 ? load)
Note: All specifications (General, Transmitter and Receiver) are guaranteed within the amateur radio band.
General TH-K2AT TH-K2E TH-K2ET
Transmitter
Receiver


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