Akai GX-4000D Service Manual

1, RECOMMENDED SPARE PARTS LIST
Because, if the parts listed below are on hand, almost any repair can be accomplished. we suggest that you stock these
Recommended Spare Parts Items.
Parts No.
Description
Note
BA306532
Amp P.C Board Comp. GX-4000D
BA307132
BA306543
Amp P.C Board Comp. GX-4000DB
Power Supply P.C Board Comp. GX-4000D (U/T)
BA306544
Power Supply P.C Board Comp. GX-4000D (JPN)
BA306545 Power Supply P.C Board Comp. GX-4000D (CSA, AAL) |
BA306547 Power Supply P.C Board Comp. GX-4000D (CEE, UK)
BA307124 Power Supply P.C Board Comp. GX-4000DB (U/T)
BA307125 Power Supply P.C Board Comp. GX-4000DB (CSA, AAL)
BA307126 Power Supply P.C Board Comp. GX-4000DB (CEE, UK)
BF205075 Flywheel Block Comp. #5 LE
L BH306536 Head Base Block Comp. GX-4000D
BL311453 AS Lever Block Comp. GX-4000D
BM306529 &\ Motor Block Comp. (IMC-100) GX-4000D
BR306554 Reel Table Block Comp. LE-8 (Take-up)
BR306555 Reel Table Block Comp. LE-8 (Supply)
A Power Trans. LET-24 (D-U/T)
BT306439 A\ Power Trans. LET-21 (D-JPN)
BT306440
A\
Power
Trans.
LET-22
(D-CSA,
AAL)
T901
BT306442 A Power Trans. LET-23 (D-CEE, UK)
BT307232 A\ Power Trans, LET-25 (DB-U/T)
BT307231
A
Power
Trans.
LET-26
(DB-CSA,
AAL)
T901
BT307233
A
Power
Trans.
LET-27
(DB-CEE,
UK)
|
T901
|
ED624903
Silicon
Diode
12473
b=
2
ED560913
Silicon
Diode
182473VE
|
ED224526 Silicon Diode 10D1
L ED306423 Silicon Diode B1P-1
ED562386 Germanium Diode 18188AM
ED219464 Germanium Diode 1N34A
ED310387 Zener Diode HZ12B-2
i ED306469 Zener Diode 05Z-22L
ED307236
Zener
Diode
HZ22-1
[DB
ED249377
LED
GL-3AR1
[ED283138
LED
GL-3PG1
+
DB
E1306141
IC
_LA4170
[~~
E1301463
IC
CR-713B
DB
[__EM306433
VU
Meter
DISC45R
EM306432
VU
Meter
D18C43R
(D-JPN)
|
___EM306434
VU
Meter
DI8C44R
(BL)
0383365
|
Ose
Coil
OT-204
ES403727
A
Micro
SW. V-1A106
U/L
ES306291
Remote
SW.
SE-S243B
ES307163
Remote
SW.
SE-S243B
DB
Parts No. Description Note |
ES494302 Ty Slide SW. CL-104B
ES306292
Leaf
SW.
BSW-86
ES306422 Push SW, SUF42
ES306982 Push SW. SUF42 | DB |
ES655806 A Push SW. SDGIP (U/T, JPN) | |
ES665875 A Push SW. SDG-1P U/L (CSA, AAL) |
ES665807 A\ Push SW. SDG-5P 5A/80A 250V (CEE, UK) :
ES258232 A Slide SW. S-2930 (U/T, JPN) |
FS316934 Rewind Shaft (Y Type) |
ES369865 Rewind Shaft (Y Type) RCC |
ET391768 Transistor 2SC458LG (C) (D) |
ET639437 Transistor 2SC945L (Q) (P) | !
ET399846 Transistor 2SC945L (Q) |
ET398788 Transistor 2SC945L (R)
£T603257 Transistor 2SC1312S (G) (H) DB '
ET663243 Transistor 2SC1312S (G) | DB
ET399870 Transistor 2SC711 (G) DB
ET368021 Transistor 2SC458 (B) (C)
ET537300 Transistor 2SD361 (D) (E) 1
£T375603 Transistor 2SC106! (B) (C) | DB
ET307234 Transistor 2SC1815 (Y) (GR) DB
ET552870 FET 2SK30A (Y) (GR)
FET 2SK68 (M) (N) DB |
EV306293 Double axial 2 throw Vol. DM20R 611A 50 kAx2
EV306981 Double axial 2 throw Vol. (w/SW) DM13E531A-UER42 50 kAx2 | DB
EV306446 : Single axial 2 throw Vol. GM70R706C 10 kBx2 |
EV305635 Semi-fixed/Vol. D8 Axial Type 5 kB i i
EV305636 Semi-fixed/Vol. D8 Axial Type 50 kB |
EV520806 Semi-fixed/Vol. V8K4-1 10 kB | DB |
EV464220 Semi-fixed/Vol. V8K4-1 50 kB \ DB \
EV478686 Semi-fixed/Vol. V8K4-1 1 kB | DB |
HE384693 ERASE HEAD E4-200 | i
L HP307087 HEAD P4241
HR307088 HEAD R4-241E I
MB256601 Double Face Flat Belt D110 \ i
MB406 168 Counter Belt D1i23x1.8 |
MC479968 Counter Part MP-491-28 | i
MI675450 Middle Wheel (C) | |
t MI241413 Idler Wheel (D) Part LE-6 :
MP204794 Pinch Roller Part LS |
MS244708 Flywheel Shaft
MV639630 Roller, Resin LE
MY270055 Capstan D8 |
MZ283140 | A\ Voltage Changer 12M-60031 (U/T)

Akai GX-4000D Specifications

General

Track System	4-track, 2-channel, stereo/monaural system
Reel Size	Up to 7 inch reel
Tape Speeds	3 3⁄4 7 1⁄2 ips
Frequency Response	30Hz to 24kHz (7 1⁄2 ips)
Type	Reel to Reel
Heads	1 x erase
Motor	1 x capstan, 1 x reel
Wow and Flutter	0.08% (7.5 ips)
Output	0.775V (line)
Input	70mV (line)
Inputs	Line
Outputs	Line