STANTON NT-1500 SERVICE MANUAL
SERVICE MANUAL
NT-1500
!
SPECIFICATIONS
1. APPLICATION:
This specification applies to the belt drive turntable unit NT-1500.
2. STANDARD TEST CONDITION:
2-1 Ambient Temperature 23 ± 2℃
2-2 Relative Humidity 65％ ± 5％
NOTE: Measurements can be carried out between 5℃ to 35℃ and 45％ to 85％ relative humidity.
3. TURNTABLE SECTION:
3-1 Type 2-speed full manual
3-2 Motor DC motor
3-3 Driving Method Belt drive
3-4 Turntable platter 330mm dia. Aluminum diecast
3-5 Speeds 33
3-6 Wow and Flutter Less than 0.25％ WRMS (JIS WTD)
3-7 S/N ratio More than 50 dB (DIN-B)
3-8 Pitch Controls
3-9 Starting Time Less than 1 sec.
3-10 Breaking Time Less than 1 sec.
3-11 Time for speed change Less than 1 sec.
3-12 High of cue(first track) 5~8mm
3-13 Descend of cue 5 sec.
4. TONEARM SECTION:
4-1 Type Static balanced S-shaped tonearm with detachable headshell
4-2 Effective Arm Length 220mm
4-3 Overhang 10mm
4-4 Tracking Less than 3 degree
4-5 Tracking Force Adjustment range 0 - 4g
4-6 Applicable cartridge weight 6 - 10g
4-7 Anti-skating range 0 - 4g
4-8 Needle pressure range 1.5 - 2g
5. GENERAL SECTION:
5-1 Power Supply AC 115/230V, 50/60Hz
5-2 Power Consumption 8 Watts
5-3 Dimensions 450(W) x 350(D) x 145(H) mm
5-4 Weight 7.2Kgs
6. ACCESSORIES SUPPLIED
45 rpm adaptor x 1
7. SPECIFICATION
(1) Output Difference dB 2.3 2.5
(2) Out put Level mv 1.7~3.5 1.5~3.5
(3) Speed (Speed Range) Hz
(4) Speed (Center Range) Hz 2990~3020 2970~3030
(5) Wow and Flutter
(6) Channel separation dB 16 15
DESCRIPTIONS UNIT NORMAL LIMIT
1
/3 and 45 rpm
±10％
Instruction manual x 1
2.7K ↓,3.3K↑ 2.7K↓,3.3K↑
％
min
0.23 0.25
1
ADJUSTMENT
(A) SPEED ADJUSTMENT:
1. Set the speed selector to 33rpm, if speed too fast, adjusting eyelet of bottom base “33”by
counter-clockwise, on the contrary, if speed too slow, adjusting it by clockwise.
2. Set the speed selector to 45rpm, if speed too slow, adjusting eyelet of bottom base “45” by
clockwise, on the contrary, if speed too fast, adjusting it by counter-clockwise.
NOTE:
!When adjusting the speed of motor, have to adjust 33rpm first and then 45rpm.
!When adjusting the speed of 33rpm and 45rpm, pitch control UR must be set center posit.
(B) TEST CIRCUIT DIAGRAM:
TEST EQUIPMENT:
1. DC POWER SUPPLIES.
2. WOW & FLUTTER METER.
2
BLACK DIAGRAM
PICK-UP
EQ AMP.
POWER SUPPLY
LCH
SIGNAL OUTPUT
RCH
3
WIRING DIAGRAM
4
TROUBLE SHOOTING
5
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