Akai GX-646 - Page 47

2)
Pre
Amp
P.C
Board
T1009A510A
(2ED),
VU
Meter
P.C
Board
T1009A510B,
C,
Equalizer
P.C
Board
T1009DS30A
and
Bias
Adjustment
P.C
Board
T1009D530B
22
b
See eR
EQUALIZER PCB TIOO9D530A
ao a
2 &
§ §
rz z
3
Fy
5
FE
E
:
e
ECB
BCE
Ec
B
Be
E
2SC458L
2sci3l2
288764
298856
2SC945L 280863
28C1844
T/2in
TIMER
START]
MIC
PLAY
“OF
Ft
REC
SOURCE:
1
33/4In
Richt]
[2i2v |
.3V
| ov_|
0
ZV.
OVA
TRI
PTR2
| TR3
I TR4
TRS
TR6 to8
_ | tro
| TRION
‘|'TR13,14
‘| TRIS, 16
TRI7, 18
TRIS
|] Treo
_ | TR24,25
TR26
TRIb
TR2b
TR4b
“TTR 10b, 1b
TRI3b,14b
| TRI5b,16b
TRI7b,18b
IES
LEFT RIGHT LEFT RIGHT a i
LINE OU LINE IN an
ale
z¢o
cine
= se
TRI,ll--------- 28C1312S(G,H) a 5y 5
63) TR2,10— — 2SCI844(E,F)
SENN TR3,8,9,17- — 250863-V8lE,F) Xs 2
oa
° 3 Sone "~~~ 2809451 (Q,P) e 8 a
Zz a TR6 --——————— 2SB856(B,C) Oe le a
Sf TR7,15,25 -—-———— 2SC1312R(G,H) 5 8 z
2 2 TRI3—-——-————— 28C458L6(C,D) Sg 2 S - Ne co
a
F
118,24
-—---———
288764
(E,F)
>
{
xe
Vet
a o8 ee 2 2 2
28 33 Be a. Ze 2
wi we we < ut
rt
Ze
ra
ga
re
ou
ao oo wt ‘ wt as
eg ae 2a Be ga ee
ze 28 f= 8 & ge
g zz BS 23 ms eo
a ex a ao
ae z= 23 WARNING: AINDICATES SAFETY CRITICAL COMPONENTS. FOR
RECOMMENDED PARTS
[16.2v_]
LB }10.3v[i2.7v | 12.5V_| 16.7V
2 ferav |anev |
| o.3v_|
|"o.2v | o6v | o2v |
|_ov_ | ov |
| o6v | o6v | o6v |
[arv fiziv Tinsv |
REC MODE
&
INORMALT EE [NORMAL |
[i2.7v__ |
7-1/2in
oP 2) IZ
AV.
ov.
0.6 V
16.1 V
Alay
LOCATION OF TRANSISTOR
62
(£ ,B,S ONLY)
E4
F2
£4
F4
64
2
c2
A2
A3
B2
E2
F2
64
(E,B,S ONLY)
F4
D4
c4
Ad
CONTINUED SAFETY,
REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURER'S
AVERTISSEMENT: AIL INDIQU LES COMPOSANTS CRITIQUES DE SURETE. POUR
MAINTENIR LE DEGRE DE SECURITE DE L'APPAREIL NE REMPLACER LES
CONPOSANTS DONT LE FONCTIONNEMENT EST CRITIQUE POUR LA SECURITE
QUE PAR DES PIECES RECOMMANDEES PAR LE FABRICANT