Panasonic NV-HS860EG-K, Service Manual

Page: 20 / 142

ITEM TP ADJ. MODE INPUT TAPE M. EQ. SPEC. REMARKS
PG
SHIFTER
ADJUSTMENT
--- ---
PLAYBACK--- ALIGNMENT
TAPE
/
(PAL)
--- ---
Refer to procedure as
Fig.E5.
VIDEO EE
LEVEL
ADJUSTMENT
TP3002 VR3004STOP
PAL /
COLOUR
BAR ---
OSCILLOSCOPE
2.0+-0.1 (Vp-
p)
(See Fig. E1)
1. VIDEO OUT must be 75 ohm
RECORDING
/
CURRENT
/
ADJUSTMENT TW3001
(HOT)
/
TW3002
(COLD) VR3002SP /
RECORDING
PAL /
COLOUR
BAR S-
VHS
/
BLANK
TAPE
OSCILLOSCOPE
NV-HS860
series / C:50
+-4mVp-p /
/ NV-HS960
series / C:56
+-4mVp-p /
(See Fig.E2)
1. Connect a jumper wire between
TW3001(HOT) and TW3002(COLD).
VHS /
FREQUENCY
/
RESPONSE
/
ADJUSTMENT LINE-
OUT /
(TP3002) --- SP/LP /
PLAYBACK
/ (SELF
REC.)
VIDEO
SWEEP
/
SIGNAL
(See
Fig.
E3) BLANK
TAPE OSCILLOSCOPE
/ / VIDEO
SWEEP
GENERA-
TOR
SP: 0+-1
(dB)
(90-110%)
(See Fig. E4)
Refer to procedure as
Fig.E6.
VXO /
FREE RUN
/
FREQUENCY
ADJUSTMENT
TL7711 VC7701---
--- ---
FREQUENCY
COUNTER
-
150Hz
1. Connect TL7714 to 5V DC.
2. Connect TL7712 to GND.
3. Connect TL7713 to 2.6V DC.
4. Adjust the frequency by VC7701.