Sharp AQUOS LC-15L1E, Service Manual

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16
LC-15L1E
5. Adjustment
5-1. +B adjustment
1) Receive with E-12 channel.
2) With TV Main unit, B-ADJ in the first page of adjustment process and adjust TP1101 voltage to
5.00V±0.02V.
3) With wireless center, turn R5707 volume (semi-fixed) and adjust TL5403 voltage to 5.00V±0.02V.
Note) Adjustment to 5.00V must be precise, since 5.00V is used as reference voltage for all power voltages.
5-2. COMMON BIAS adjustment
Very the "CON BIAS" setting on Page 2 of the adjustment process mode so that the contrast be sharpest be
sharpest (black looks most sinking).
5-3. TAMP adjustment (Wireless center only)
1) Receive with E-12 channel. (Field intensity: Min. 80dB)
2) Enter the adjustment process mode. Using TAMP key on the remote controller, enter TAMP adjustment mode.
(Individual TAMP item display status)
3) When AGC GAIN VALUE reading differs from PAL TAMP reading, adjust PAL TAMP to make both readings
identical.
4) Whenever PAL TAMP has been adjusted, enter the adjusted value to SECAM TAMP manually.
Note) Perform the adjustment using a signal with good S/N ratio under field intensity of 80dB or higher. Screen
brightness may be reduced if field intensity is lower than specified or S/N ratio is poor.
5-4. Auto adjustment of battery shutoff voltage
1) Warm up the set.
2) Ensure that there is no connection to the main unit DC connector.
3) Insert the specified jig to the main unit battery connector. Apply DC9.3±50mV externally.
4) Change AUTO BATV ADJ on page 82 of the adjustment process from OFF to RUN.
5) Check that RUN is replaced by OK.
6) When auto adjustment has failed, NG is displayed.
5-5. White balance adjustment
Adjust RCUTOFF, BCUTOFF, RGAIN and BGAIN on page 2 of the adjustment process, so that the same color
level is attained as the standard set.
8 2
RUN
Page 82 of the adjustment process
B A T V
B A T T E M P
A U T O B A T V A D J O F F
B A T V O F F S E T 0
T V O N B A T V L V L 4 B 3
T V O N B A T V L V L 3 9 5
T V O N B A T V L V L 2 8 D
T V O N B A T V L V L 1 7 A
P A I R I N G M O D E O F F
B A T W A R N O S D O N
S S N U I T O N