Kenwood TK-2140 Service Manual page 17

A B
TK-2140
1
2
TX-RX UNIT (X57-6402-71) (B/3) Component side view (J79-0057-09 B/3)
3
4
5
6
7
8
J79-0057-09 B/3
9
10
TX-RX UNIT (X57-6402-71) (C/3) Component side view (J79-0057-09 C/3)
11
12
13
14
14
C D
PC BOARD
R529
R533
R528
R530
R534
Q505
R548
S600
PTT
J79-0057-09 C/3
E F G
18 17
GND BEEP
5C SSW
LIMITSW
GND
MICI 5CNS
PTT AFDIR
ME MSK SW
ME NC
AFRDT
TXHSD
GND CLK
TXAF EM TONE SW
RXAFI AFTRD
5RC AFRTM
HSDIN AFDAT
RXAFO TEST
GND GND
DTMSTD DTMACK
DTMPD DTMSD
34 1
X501
S601
SW1
H I
Ref. No. Address
Q505 6D
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Foil side
S602
SW2
J