Teac CD-5 - Page 8

CD-5
4-1-3 Focus offset adjustment
1. Connect the oscilloscope between W326(RFO) and
P407-1 (GND).
2.In the play mode, adjust V404(F.B) so that the
waveform on the oscilloscope becomes maximum.
3. After adjusting the focus offset, stop the player. Check
for an offset voltage of 50mV or Jess at P407-5(FEIll).
If reading values are out of spec, adjust V404 again.
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Fig. 4-7
4-1-4 Focus gain adjustment
1. Apply 1.04kHz//10Vp-p to P407-6(FE Il) from an
external OSC via 100k Q resistor.
2. Play the track 4, and adjust V403(F.G) so that phase
at P407-4(FE |) is 90° with respect to that of the
external OSC.
Oscillator Oscilloscope
41-474 —-HAV4A VIB
1. ASBOSC & Y 100k QOWHAMES LT 1.04kHz,/10Vp- pols
5% P407-6 (FE ll AAT 4S.
2. 4H = BEL. P407-4 (FE |) &BBOSC & MfZHHD*90°
SKIT V403(F.G) SHB 3.
SERVO PCB
Fig. 4-8
4-1-5 Tracking gain adjustment
1. Apply 1.63kHz//10Vp-p (When using MCD-111) or
1.46kHz/10Vp-p (When using YEDS-18) to P407-2
(TE tl) from an external OSC via 100k Q resistor.
2. Play the track 4, and adjust V402(T.G) so that phase
at P407-3(TE 1) is 90° with respect to that of the
external OSC.
Oscillator Oscilloscope
41-5 b Sy Ft VUIT4VAB
1. ABBOSC &Y 100k QDMA UT 1.63kHz/10Vp— p
(MCD- 111 Cage) E ld 1.46kHz/10Vp-p (YEDS-— 18
= CHB) OFF SX P407-2( TEN) KAT S.
2. 4HAB* HEL, P407-3(TE |) &MBBOSC & OFiZHADSIN°
LSZH V402 (7.6) EHTS.
SERVO PCB