6-10
2-4. IF CIRCUIT ADJUSTMENT
• In this model, the circuits of the TUNER, IF, and RF
converter have been made into one. Therefore, should
one circuit malfunction, the whole unit must be replaced.
• The adjustments for the IF (RF AGC) circuit of the 3 in 1
tuner are described below.
Note:
The 3 in tuner dose not need any adjustments,
because precise adjustments were down before
shipment.
3 in 1 Tuner
Rear Panel
3 in 1 Tuner
CP-1 PWB
Assembly
Fig. 2-4-1
VR RF AGC
2-4-3. RF AGC ADJ.
1. Connect the monitor TV to the VHF/UHF antenna
output terminal.
2. Connect the VHF or UHF antenna to the VHF/UHF
antenna input terminal.
3. Receive the middle electrical field (70 dB
µ
~90 dB
µ
) 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.
4. Confirm by monitor TV that there is no beat and
saturation (S/N is best point) when receiving any TV
channel.
Measuring Point
Measuring Equipment
Adj. Condition
Picture of
Monitor TV
E-E mode
monitor TV
Adj. Location
Adj. Value
VR (RF AGC)
S/N is best point
(on the 3 in 1 tuner)
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 “ V95
Ι
Mechanism Manual ” (MM531433) and “ V95
ΙΙ
Mechanism Manual ” (MS531500).
VP-1 PWB Assembly
TP182
(ENV.)
TP183
(SW-P)
Fig. 3-1
E
2-4-1. TEST EQUIPMENT AND STANDARD REQUIRED
Monitor TV
2-4-2. LOCATION OF ADJUSTMENT POINT
Summary of Contents for SLV-L45AR
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Page 17: ...3 2 MECHANISM CONNECTION DIAGRAM ...
Page 18: ...3 3 3 4 SLV L45AR L65HFAR L75HFAR OVERALL WIRING DIAGRAM SLV L45AR ...
Page 19: ...SLV L45AR L65HFAR L75HFAR OVERALL WIRING DIAGRAM SLV L65HFAR L75HFAR 3 5 3 6 ...
Page 20: ...3 7 3 8 SLV L45AR L65HFAR L75HFAR SYSTEM CONTROL SERVO CIRCUIT DIAGRAM SLV L45AR ...
Page 21: ...3 9 3 10 SLV L45AR L65HFAR L75HFAR SYSTEM CONTROL SERVO CIRCUIT DIAGRAM SLV L65HFAR L75HFAR ...
Page 25: ...SLV L45AR L65HFAR L75HFAR 4 3 4 4 CP 1 BOARD VA A VIDEO AUDIO TUNER CIRCUIT DIAGRAM SLV L45AR ...
Page 33: ...4 19 4 20 CP 1 BOARD SY A SYSTEM CONTROL SERVO CIRCUIT DIAGRAM SLV L65HFAR L75HFAR ...