1-32 (No.YD068)
4.5
ELECTRICAL ADJUSTMENT PROCEDURES (VCR)
4.5.1 Servo Adjustment
V.Out
H/SW
(TP)
OSCILLOSCOPE
CH1 CH2
V.out
H/SW
R/C KEY
(TP)
H/SW
Composite
VIDEO
6.5H(412 s)
1) PG Adjustment
Test Equipment
a) OSCILLOSCOPE
Adjustment And Specification
b) Alignment tape (SP, stairstep)
MODE
MEASUREMENT POINT
ADJUSTMENT POINT
SPECIFICATION
PLAY
V.Out
H/SW(TP)
R/C TRK JIG KEY
6.5 0.5H
Adjustment Procedure
a) Insert the Alignment Tape and play.
Note - Adjust the distance of X, pressing the Tr) or Tracking(-) when the "ATR" is blink after the
Alignment Tape is inserted.
b) Connect the CH1 of the oscilloscope to the H/SW(TP) and CH2 to the Video Out for the VCR.
c) Trigger the mixed Combo Video Signal of CH2 to the CH1 H/SW(TP) and then check the distance (time
difference), which is from the selected A(B) Head point of the H/SW(TP) signal to the starting point of
the vertical synchronized signal, to 6.5H 0.5H (412 s, 1H=63 s).
PG Adjustment Method
a-1) Playback the Alignment tape
b-2) Press the "OK(ENTER)" key on the Remote controller and the "REC" key on the Front Panel the same
time, then it goes in to Tracking initial mode.
c-3) Repeat the above step(No.b-2), then it finishes the PG adjusting automatically.
d-4) Stop the playback, then it goes out to PG adjusting mode after mony the PG data.
CONNECTION
WAVEFORM
Содержание HR-XV28SEF
Страница 9: ... No YD068 1 9 SECTION 3 DISASSEMBLY This service manual does not describe DISASSEMBLY ...
Страница 69: ... No YD068 1 69 F FE RFL FIG 7 2 DVD F FE RFL FIG 7 3 CD ...
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Страница 74: ...1 74 No YD068 5 4 13 ZR36868 AUDIO OUTPUT TO AUDIO DAC 2 COMPOSITE VIDEO SIGNAL FIG 12 2 FIG 13 1 ...
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Страница 86: ...A 1 2 3 4 5 B C D E F G SCART JACK CIRCUIT DIAGRAM SHEET 6 2 15 2 16 ...
Страница 87: ...A 1 2 3 4 5 B C D E F G ع DVD SERVO CIRCUIT DIAGRAM SHEET 7 2 17 2 18 ...
Страница 88: ...A 1 2 3 4 5 B C D E F G ع DVD AV JACK CIRCUIT DIAGRAM SHEET 8 2 19 2 20 ...
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Страница 90: ...PRINTED CIRCUIT DIAGRAMS VCR MAIN BOARD TOP SIDE 2 23 2 24 ...
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Страница 92: ...COMPONENT PARTS LOCATION GUIDE VCR MAIN 2 27 2 28 ...
Страница 93: ...LOCATION GUIDE LOCATION GUIDE POWER BOARD KEY BOARD 2 29 2 30 ...
Страница 101: ...IC7V1_SDA5650X IC802_NM1232 IC903_BH78968FS IC803_LD1117A IC801_ DA9605H IC BLOCK 2 45 2 46 ...
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