Sony TRINITRON KV-29F3A Service Manual page 32

KV-29F3
SYSTEM B/G, D/K, | & L I.F ADJUSTMENT
DEFLECTION SYSTEM ADJUSTMENT
Input an off air signal of between 60-100dBuV / 75 ohm
terminated, via the tuner socket.
Enter into the Geometry Adjustment Service Menu.
Select and adjust each item in order to obtain the optimum
2. Enter into the [.F adjustment service mode (i.e. " TT 59" ) devage,
to fix the LF frequency to 38.9 MHz. a
3, Enter into the service mode and select "Current TVStatus".
4. Adjust the LF coil (LVO1) until the "AFT Status" indicates GEOMETRY ADJUSTMENT
a" Window " condition.
SYSTEM L BAND 1 IF ADJUSTMENT V Size Adj
V Position Adj
1. Input an off air signal of between 60-100dBuV /75 ohm S Correction Adj
terminated, via the tuner socket. V Linearity Adj
2. Enter into the [.F adjustment service mode (i.e. " TT 59") H Size Adj
to fix the IF frequency to 34.2 MHz. H Position Adj
3. Enter into the service mode and select "Current TVStatus". Pin Amp Adj
4. Adjust the RVO2 until the "AFT Status" indicates Pin Phase Adj
a" Window " condition. AEC Bow Adj
TUNER AGC ADJUSTMENT
AFC Angle
Adj
EHT V Adj
1. Receive a signal of 63dBuV /75 ohm terminated via the EHT H Adj
tuner socket. Corner Pin Adj
2. Measure the voltage at test point 1 (A board).
3. Adjust RVO1 to obtain a voltage of 3.0V + 0.3V.
| Lad -— V SIZE
RvO1 V LIN
Rv02 Lvo1
S CORRECTION
TUNER / IF _ -_ V CENTRE
= _ H SHIFT
= -_ H SIZE
- A Board component side - } nee pn } PIN AMP
/ \ _ -_ TILT
| _ —|| [| CORNER PIN
/ ] _ - \] VANGLE
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