Yaesu FT-840 Service Manual page 45

Parts Layout
Collector
[
Base
X24C0 1 A P 2SC28 1 2 ( L6)
( 02001 ) 02002,20 1 2,2024,2030,
S N 1 69 1 3 P 203 1 ,2032,2041 ,2054,
( 02029,2036,2044) 2055,2059,2066
2SC27 1 4Y (JY)
( 02028,2037 ,2056 )
Collector
"-.,_
.... .. .. .. .. ..
I
Bese Emitter
Base
2SC4047 (ZY)
2S D669A
02003,2004,2005,201 5,
( 0 2 00 6 )
201 7,20 1 9,2039,2043,
2S D8820
205 1 ,2053,2058,206 1 ,
( 0 202 1 )
2062 ,2063' 2064' 2065
Collector Collector
Base
Besa E mitter
2SA 1 563 (RL)
2 SA 1 1 79 ( M 6 )
( 02008,201 0,201 1 ,201 8 )
( 02007)
NC N C
I
Ground Output
"-..
Input
RN5VL45AA ( 0 5 ) M C 1 4028B F L
(020 1 4) ( 02020)
Vdd
Pin 28
I
Input
A
Pin 1
Input B
TC4S8 1 F (C4)
F 07924
( 02025)
( 0 2 0 2 3 )
FT-840 Technical Supplement
l
Emitter
Collector
Emitter
Emitter
Pin 8
Pin 1
X
Output
Vss
''" '
µ
TDA2003H
( 02026)
B
Obverse View of Component S i de
Source
�
7
Pin Drain Gate
PC1 037H 2S K 2 1 0GR (YG)
( 02027 ) ( 02034 '2040' 2046' 205 2 )
Source
14 .... ._
Pin
Drain
Gate
TC74H C74AF 2SK302Y ( TY )
( 02035) ( 02038 )
TC74H C08AF
( 02060)
D
2