Panasonic NV-HS1000, Руководство по обслуживанию

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2-5-6. REVERSE SLOW TRACKING ADJUSTMENT
TP ADJ. MODE INPUT
VR2005
(SELF
MONITOR
(SP) GCIR
SCREEN VR2003
RECORDED) PATTERN
(LP)
REV SLOW
TAPE
M. EQ.
SPEC.
MONITOR
Noise bar on the monitor
BLANK TAPE TV screen is minimized.
(Shown in Fig. E5)
REV SLOW: REVERSE SLOW
Note: 1. Before this adjustment, connect a jumper which
has been cut as shown in Fig. E4.
2. After connecting a jumper wire, press the
_ TRACKING (+) and (-) buttons on the Remote
Controller simultaneously to set the tracking to
centre fix position.
3. After this adjustment, disconnect a jumper wire .
2-5-7. AUTO TRACKING GAIN ADJUSTMENT
TP ADJ. MODE INPUT
SINEWAVE
PP3011-1 VR3301 STOP 4 MHz/200mVp-p
(TO PP3011-2)
TAPE M.EQ.
SPEC.
1/
SINEWAVE
GENE./
3.1 +-0.1 (V)
D.V.M.
Note: 1. After connecting the Sinewave Generator to
PP3011-2, set the signal level to 4 MHz/200 mVp-p.
LUMINANCE & ClffiOMINANCE
SECTION
2-5-8. ARTIFICIAL PAL FREE RUN ADJUSTMENT
TP
ADJ. MODE INPUT
IC802-9
VR803 STOP
�
(TL803)
TAPE
M.EQ.
SPEC:
i/
FREQUENCY
COUNTER /
15735+-100 (Hz)
SINEWAVE
GENERATOR
Note: 1. 5V DC to IC802-27 (TL802).
2. Turn VR803 to maximum frequency, then adjust
VR803 until the specification .
2-5-9. RECORDING CURRENT ADJUSTMENT
TP ADJ. MODE INPUT
VR3001
TP507 (HOT) (VHS Y) SP
PAL
VR3002 COLOUR
TP508 (GND) (S-VHS Y) RECORDING BAR
VR3003 (C)
TAPE
M.EQ.
SPEC.
S-VHS OSCILLO- VHS Y : 11 o+-s (mVp-p)
BLANK TAPE SCOPE
S-VHS Y: 120+-s (mVp-p)
C : 2s+-2 (mVp-p)
Note: 1. Set the Al SW to OFF position.
2-9
2. When adjusting the S-VHS Luminance level, set
the S-VHS SW to ON position.
3. When adjusting the VHS Luminance level, set the
S-VHS SW to OFF position.
4. Adjust the Luminance level until the peak level of
V-SYNC is 110+-5mVp-p (VHS MODE), 120+-
5mVp-p (S-VHS MODE).
5. When adjusting the Chrominance level, Supply +
5V DC to PP3001-6 (TL14) to eliminate Luminance
component.
Fig. E6