C.E.C. ST630 - Setup Position

5. ADJUSTMENTS
(A) STYLUS POINT HEIGHT
1. Remove the Cabinet top according to DISASSEMBLY IN-
STRUCTIONS (B) (page 3).
2. Turn the Screw (53) described in Fig. 19 so that the clear-
ance between stylus and turntable platter will be within
8 ~ 10 mm when the tonearm is in up position (Fig, 20).
8~ 10mm
Figure 19 Figure 20
(B) TONEARM SETUP POSITION
1. Remove the Cabinet top according to DISASSEMBLY IN-
STRUCTIONS (B) (page 3 ).
2. Turn the Screw (50) described in Fig. 21 so that the
tonearm will be mounted at right angles with its moving
direction (Fig. 22).
3. After this adjustment, make sure to apply "NO TRACK-
ING ERROR” adjustment (ADJUSTMENT D, page 6 ).
Figure 21
Figure 22
(C) TRACKING SENSOR SENSITIVITY
This adjustment is subject to rectifying the uneven sensitivity
of Photo Interrupter (PC201) on the Phono PWB Assy (67).
NOTE: This adjustment has to be done without any direct
sun shine nor any strong light.
1. Remove the Cabinet top according to DISASSEMBLY IN-
STRUCTIONS (B) (page 3 ). |
2. Press the POWER button so that the unit will be switched
on.
3. Connect the D.C. voltmeter between TP1 and GND ter-
minals on Control PWB Assy (65) (Fig. 23).
[
DC Volt
Meter
nary
Control PWB Assy
SH] © f
Figure 23
4. Slightly loosen the two Screws, (203) and (205), which
fasten the Phono PWB Assy (67). (Fig. 24).
5. Turn the adjusting boss counterclockwise with the screw-
driver (Fig. 24).
fo
Shutter plate PU
Figure 24
Adjusting boss
6. Turn the Phono PWB Assy clockwise by approximately 5°
with the screw A as a center (Fig. 25).
Figure 25
7. Make sure that the sensor gets enough light not being ob-
stracted by shutter plate.
8. Turn the Variable Resistor (VROO1) with a small size slotted-
head screwdriver so that the voltmeter shows -3.9 ~ -4.1
volts.
9. After the above adjustment, make sure to apply ‘’NO
TRACKING ERROR” and “STYLUS SET-DOWN POSI-
TION’’ adjustments (ADJUSTMENTS D AND €E, page
6 and 7).
(D) NO TRACKING ERROR
NOTE: This adjustment has to be done without any direct
sun shine nor any strong light.
1. Remove the Cabinet top according to DISASSEMBLY IN-
STRUCTIONS (B) (page 3 ).
2. Press the POWER button so that the unit will be switched
on. |
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