Adjustment; Tuner Lfcircuit Adjustment - Sanyo VHR-120 Series Service Manual

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3103A1 1(N)
2-5. AUDIO CIRCUIT ADJUSTMENT ... CP-1 board
[
No
1
Item
BIAS
LEVEL
Input
No-signal
Mode
I
Point
REC
TP201 (HOT)
TP202
Location
VR201
Remark
1. Set the channel selector buttons to the
AV position and put the VCR in the no-
signal REC mode.
2. Adjust VR201 so that the level is 23
mVrms.
2-6. TUNER IF CIRCUIT ADJUSTMENT ... VIF unit
NOTE: There are two of the VIF unit's type and different with the model (see Fig. 2-6-1)
Item
Input Mode
Point Location
Remark
RF AGC
Tv
broadcast
1. TurnVR611 in the direction which causes
E-E
TV screen VR611 snow to appear, then in the opposite
direction until the snow just disappears.
CP-1 board
I
VR611 +
RF AGC
H
Ic
611
CP-1 board
,,,,,/
TYPE A
Fig.
2-6-1 VIF unit (Parts side view)
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TYPE B
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