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GX-1
(S/#
5030
~
)
STR
Circuit Board, Adjustment, Wiring
Wiring
STR
No. |Terminal |" |
Direction
No.| Terminal |$PWire|
Direction
40;
+15
S-BE-S
80;
+15
1.
Preamp output adjustment
39 | +15
79;
+15
SK Reverb output adjustment
38| —15 6-WHS
78)
-15
VR1:
Adjust to -16dBm(122mV) at PO(14) Terminal
—
7
15
UK, LK
Reverb output adjustment
Tia
71
O01
VR5:
Adjust to -7 dBm(346mV) at 07(44) Terminal
|
PK Signal
s
*
SK
Preamp output adjustment
Se
my
ea
eee
g
memes §
3]
of
3 :
VR2:
Adjust to -16dBm(122mV) at 02(75) Terminal
34
|
-
sf 77
———
Ze
ee
ape
UK Preamp output adjustment
= 16 ASWHS PN1-@-2
e
VRE. siege
|
ya 8 B93
o t
MS. apette?
'ie
eG
VR3:
Adjust to -7 dBm(346mV) at 04(66) Terminal
2 168)
|
72
Dalia
Daisy:
oo Ea
,
De
igy:
LK Preamp output adjustment
31
=
71/
03 | RE|
PN7-@a-l
2 St. Wy
ees
38, ap ralesss
#. ae
2
+P.
a
VR6:
Adjust to -7 dBm(346mV) at O6(68) Terminal
30
70|
O16
° a: + ay. =e
€
e. |
af
5 -
|
13 + Be
:
PK Preamp output adjustment
291
TL | BE | PN3-@-C
69
q
a
-
<<
Wi
2
=
oa
gS
s o e
=i
is
VR4:
Adjust to -15dBm(122mV) atO16(70)Terminal
2)
1L | cr | PN2-@-2
ry,
B
3 1s
3R
-
z *§ i
2
s
sim
2.
LIN -- LOG Conversion amp. adjustment
at ec
rs
3
Ree,
Fodoe eee
",
iss
'4s
a
a
Conditions:
Adjust while pressing SK C3 key.
|
aa
fet
—-
Sie
cde Pas
29
goo) Besa
ee
3
cle 2.
* Reversal buffer circuit -- VR8
# : nT
|*
2. cHo¢ 0 Ag
we oo,0. 3.88,
ag
h? Sal
das Se * io
Adjust VR8 for the same voltage (0.25V) at IC14 pin6 as at
[2% 1C | BE | PN2-@-2
65
|
° oe oF iv
Ef a
7
a
24
# o8f
VC2 (13).
24] FC | vi | PN2-@-2
64,
|
(
—
=
A
:
=
é
2
—
=
"LOG Conversion adjustment "V9.
;
23}
15 |S-BR-S| PN1-@a-4
63;
O05 i
PN7-@b-3
q
;
ae
ee
> VR i =
Adjust VR9 for OV at the LO terminal (11) when 0.25V is
22|
|
62
|
° 00 ieee
ou
3 =geee9
present at VC2 (13).
21, 00 | YE | PN2-SH-11_ | 61
:
—
5
eRe
ae
20 |
|
60
i
° 8
5 ye at
7
59
P
$
:
ptr
i
:
18,
I 3 |S-GG-S| PN1-@a-4
58
p
eo
°
—
\
pe Eom
ts
17
57
'
et
sakes
= ies 3h
16, 1 4 BiS.GR-s| PN1-@-2
56
eevee
of
:
15] 14 Alscys| PNI-@-2
| 55
NEINI00
§
, 42
58 @,
14)
PO
|SBR|
PN1-@-3
54
Lo
Ea
ponte
13) VC2
53
°
gM
; crs)
12) VC 1
52
PN4-@-M
7
2
4
BR2 | pxz-@-m
=
91
DI
49
8|
DO
§-BR-S|) TC-RSa-C
48
7
47
6|
PI
|S-RE|
TC-RSb-C
46
5 |
1.7
|S-YE | TC-RUb-C
45
4}
116
|$GG|
PN1-@-2
44;
O7 | GR}
PN1-@-3
3|
E
/pii2| TC-RS
43|
E
2
E
42
ry?
41
KEP-NA0288 6-57
eo
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