Test Points For Tape Path Adjustment - Sanyo VHR-279E Service Manual

2-2-2. LOCATION OF ADJUSTMENT POINT 2-2-3. RF AGC ADJ.
Picture of Monitor TV E-E mode
monitor TV
Adj. Location Adj. Value
P36200B
Rear Panel ee oe
3 in 1 Tuner
VR (RF AGC) S/N is best point
(on the 3 in 7 tuner)
CP-1 PWB
poem: 1. Connect the monitor TV to the VHF/UHF antenna output
terminal.
2. Connect the VHF or UHF antenna to the VHF/UHF antenna
VR input terminal.
3. Receive the middle electrical field (70 dBu ~ 90 dBy) of the
VHF or UHF channel, and slowly turn the VR (RF AGC)
from the point where snow-noise is present to the point
where it just disappears from the monitor TV.
3 in 1 Tuner Fig. 2-2-1 4. Confirm by monitor TV that there is no beat and saturation
+ (S/N is best point) when receiving any TV channel.
2-3. CHECKING THE RF CHANNEL
If the TV and VCR are connected by an aerial output cable which has poor shielding characteristics, turn off the RF converter of
the VCR and use the VCR with an AV cable. To turn the RF converter off, input "00" when setting the RF (when "RF" is displayed)
during VCR pre-setting.
3. TEST POINTS FOR TAPE PATH ADJUSTMENT
Test points TP182 (ENV) and TP183 (SW-P) for tape path adjustment are shown in figure below.
For adjustment, refer to the separate volume "VC Mechanism Manual" (MM531683).
PIB47000E
TP182 TP183
C3016 o
(Parts side)
1€301
CP-1 PWB Assembly (Foil side)
S445