Sony HDW-F500 Maintenance Manual page 153

[F3] (WOBBLING) Key :
Performs checking to the tracking error detect circuit and
to the wobbling voltage generator circuit.
(1) Press [F3] key from DT/SAT CHECK menu to enter
to WOBBLING menu.
(2) Set the alignment tape HR5-1A to the unit, and the
unit automatically starts the checking.
During the process of checking, message CHECKING
..... continues to appear on the display.
(3) When the checking normally completed, message
CHECK COMPLETE appears on the display.
If message #CHECK INCOMPLETE# appears on the
display, check the following:
"A/B ch" indicated : During the process of checking, the
output value of A or B ch of the
tracking error detect circuit is out of
specification, or wobbling function is
not operated.
"C/D ch" indicated : During the process of checking, the
output value of C or D ch of the
tracking error detect circuit is out of
specification, or wobbling function is
not operated.
n
Tracking error detect circuit on SS-88 board is time-shared
among A/B ch. and C/D ch.
"A/B ch. and C/D ch." indicated : Failed to achieve servo
lock during adjustment.
• Check the tracking error detect circuit on SS-88 board.
• Check the wobbling voltage generator circuit on
SS-88 board.
• Check the servo system.
• Check the RF playback system.
• Check the strain gauge signal detect system
(advance head, DR-205A/MB-863/SS-88/
HN boards, slip ring, wire harness and the like).
• Check the DT driver system (SS-88/DT-34C/
MB-863/DR-205A boards, wire harness, slip ring,
advance head and the like).
• If there is any possibility of miss-operation, perform
this menu again.
HDW-F500E MMP1
4-3-3. DT/SAT SYSTEM Check
CH.COND
D T
D R I V E R
D T/SA T CH ECK
S G
L O O P
W OBBL ING
SE T
H R5-1 A AL IGNM ENT TAPE
W O B -
B L I N G
F U N C
M O D E
4-3. Maintenance Menu
DT/S AT C HK
TCR 0:00 :00: 00
E X I T
4-37