SONY TXD-RE210
Instrukcja Serwisowa

E-F Balance (1 Track Jump) Check
oscilloscope (DC range) BD board

RF PLL Free-run Frequency Check Procedure : 1. Connect frequency counter to test point (PLCK) with lead wire.
frequency counter BD board

TP (TE) TP (VC)

+ �

TP (PLCK)

+ �

Procedure : 1. Connect oscilloscope to test point TP(TE) on BD board. 2. Turned Power switch on. 3. Put disc (YEDS-18) in to play the number five track. 4. Press the �P (Pause)� button. (Becomes the 1 track jump mode) 5. Check the level B of the oscilloscope�s waveform and the A (DC voltage) of the center of the Traverse waveform. Confirm the following : A/B x 100 = less than ±22%
1 track jump waveform Center of the waveform

2. Turned Power switch on. 3. Put disc (YEDS-18) in to play the number five track. Confirm that reading on frequency counter is 4.3218MHz. Adjustment Location :
[BD BOARD] (Side B)

10

5

1

B A (DC voltage) 0V
11 15 20

TE VC
level : 1.3 ±0.6 Vp-p symmetry

FE RF TEI

PLCK
14 10

5

1

15

20

25 28

� 10 �