3-3
ELECTRICAL ADJUSTMENT PROCEDURES
1. Servo Adjustment
1) PG Adjustment
• Adjustment And Specification
• Test Equipment
a) OSCILLOSCOPE
b) NTSC MODEL : NTSC SP TEST TAPE
MODE
PLAY
• Adjustment Procedure
a) Insert the SP Test Tape and play.
b) Connect the CH1 of the oscilloscope to the H/SW(W861, W862) and CH2 to the Video Out for the VCR.
c) Trigger the mixed Combo Video Signal of CH2 to the CH1 H/SW(W861, W862), and then check the dis-
tance (time difference), which is from the selected A(B) Head point of the H/SW(W861, W862) signal to
the starting point of the vertical synchronized signal, to 6.5H ± 0.5H (412µs, 1H=63µs).
Note - Adjust the distance of X, pressing the Tr) or Tracking(-) when the “ATR” is blinking after
the SP Test Tape is inserted.
• PG Adjustment Method
a-1) Playback the SP standard tape
b-2) Press the “OK(ENTER)” key on the Remote controller and the “REC” key on the Front Panel at the
same time, then the unit will go in to Tracking initial mode.
c-3) Repeat the above step(No.b-2), then the unit finishes the PG adjusting automatically.
d-4) Stop the playback, then the unit goes out of PG adjusting mode after saving the PG data.
• CONNECTION
• WAVEFORM
V.Out
H/SW(W861, W862)
R/C TRK JIG KEY
6.5 ± 0.5H
MEASUREMENT POINT
ADJUSTMENT POINT
SPECIFICATION
V.Out
H/SW(W861, W862)
OSCILLOSCOPE
CH1 CH2
V.out
H/SW
R/C KEY
(W861, W862)
H/SW
Composite
VIDEO
6.5H(412
µ
s)
VCR PART
Summary of Contents for XBV323 Series
Page 2: ......
Page 36: ...PB REC 3 34 3 35 2 TU IF CIRCUIT DIAGRAM...
Page 39: ...ONLY COMPONENT OPTION ONLY SVHS OPTION 3 40 3 41 5 JACK CIRCUIT DIAGRAM...
Page 41: ...3 44 3 45 7 TIMER CIRCUIT DIAGRAM...
Page 44: ...LOCATION GUIDE 3 50 3 51 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD...
Page 45: ...3 52 3 53 2 KEY 1 LEFT P C BOARD LOCATION GUIDE 3 KEY 2 RIGHT P C BOARD LOCATION GUIDE...
Page 72: ......
Page 74: ...No CD DVD LD 3 83 3 84 2 RF DSP SERVO CIRCUIT DIAGRAM...
Page 75: ...3 85 3 86 3 AUDIO CIRCUIT DIAGRAM...
Page 76: ...3 87 3 88 4 AV JACK CIRCUIT DIAGRAM...
Page 79: ...LOCATION GUIDE 3 93 3 94 PRINTED CIRCUIT DIAGRAMS 1 MTR P C BOARD...
Page 80: ......
Page 103: ...4 22 GEAR F R GEAR AY P2 P3 F R Lever Tension Base Boss CAM...
Page 112: ...MEMO...
Page 118: ......
Page 120: ......