Akai GX-F31

2. COMPOSITION OF VARIOUS P.C BOARDS
1) PRE AMP P.C BOARD T2030A501A (2ED) and PHONE JACK P.C BOARD T2030A501B
3-10
LOCA TI ON OF CO MPONENTS
IC
I C1- -- - - - Al
IC2 - - - - - - D3
I C2b - - - - - - B3
I
CJ---- --- F2
IC4 - - - - - - - 85
I CS - - - - - - - 05
I C6- - - ---- C1
I C7 -- - --- - E1
I CS - - - - - - - E3
I C9 - -- --- - FS
TR
TR I. 1 h - - - - - A3
TA2 ------ -C 3
TR J.Jb ---- -AS
T R4 , 4 b--- --85
TRS. Sb - - - - - CS
T R6 , 7 - -- - - C4
TAB -- ----04
TR9 - - - - - - CS
TR9b -- - - - -C4
TA 10 1 01J- -- - FJ
TR10b TO 13b -- - F4
T A1 4 .15 - --- E3
TR 14 b, 1 5b - - - E4
TR 16 - - - - - D1
T Al6b - ---- Bl
TR1 7.17 b ---- C1
TR 18 ------ C2
TA1 8b - - -- - -82
T A 19 --- - - -El
TA20 , 2 0b - - - - C 1
TR21 , 21b - - - - E2
TR22, 23 - - -- E2
TR24 - - - - - - F2
TR25 - - - - - - E2
TR26 ------F3
TR2 7,28 ----- E2
TR
2910J I - - - -FS
TAJ2 10 34 - - -- ES
TA 35 .3 6 -- --E S
T
A37 - - - - - - 04
TRJB - - - - - - C4
T R38 b - - - - - - B4
TR4 1 ------ 84
TR42 , 43 - - - - -D2
T A44 - - - - - - E:14
TERM ll\! A.l.
.i; 10 . ~':- -- - - c 1
' i)- -- ---- D4
jJ-- --- --E1
ll -- - --- -E3
lt 10 it -- --- F3
· ll -- -- - -- E2
1t - - - - - - - A3
'ft_jj. - --- -- 04
)f, - --- --- cs
8 -- - -- - -05
1J" ---- -- - D4
:fl --- -- - - B4
@ 1 0,t,- --- - D4
l/ - ---- --05
@ -- ---- -c s
3 - --- ---05
lq- --- --- Fl
Ol -- --- --E 1
;ff,- -- - -- - Fl
lll .l'/,- -- --- El
n--- -- - - F5
-~. it - - - - - - ES
@ -- --- --F5
3.;t -- --- - 84
~ to {ff - - - ,..... - E4
@ --- ---- E2
@- ---- -- 84
'ft -- - --- -C5
2
3
~
IREcl
~
4
N
r_,7
~- <--+-, I
I
(I
......
I
I I
I I
1~ J
IT
;;
>
~ 1RI•
R141i~
111"14,___.,,,_____. 'l'lW
fllH, "- ..
··• ----- lli
., ..
r-----
• I
B
C
D
E
F
I[~ lt•f :· [
en
........
a•
PRE-AMP PCB T2030A501A
TRI, 17, 19 lo 2 1, 4 2 TR32 - - - - 2SB632K (E, F)
--- 2S01D12V(G, HJ TR33 --- - 2SCl843{P,F )
TR2 to 6, 9 to 16, 22 to 29, 31 ,34 TR3!5 to 37 - - 2SC2274K (El
41,44 - - 2SC26 03{ E, Fl TR38 - - - - 2SKI 17 [ GR,BU
TR7,8,30--2SAll1!5IE,Fl T43 - - --2S88011V(F,G)
TRII - - - -2SCl 843 ( E ,F )
25 8 632
m
EC 8
25Cl 843
2SC 2274
~
m
£C B
25AI 1 15
25 88 0 8
2SC2603
2S010 12
ffi
D G S
2SK117