Sanyo DS13310 Service Manual page 6

ANTENNA CONNECTIONS
This receiver is designed for UHF/VHF reception. A 75 ohm
terminal is provided for UHF and VHF receptions. When
connecting a CATV antenna system, connect the 75 ohm
coaxial cable directly to the 75 ohm terminal. For 300 ohm VHF
antenna, use an adapter (not included with the TV set).
CIRCUIT PROTECTION
Fuse F601 (4A) is included in the AC line. This fuse must be
replaced with the proper fuse (see Parts List).
CAUTION
FOR CONTINUED PROTECTION AGAINST A RISK
OF FIRE, REPLACE ONLY WITH THE SAME TYPE
4A, 125V FUSE.
ATTENTION : POUR MAINTENIR LA PROTECTION
4A 125V
CONTRE LES RISQUES D' INCENDIE UTILISER UN
FUSIBLE DE RECHANGE DE MEME TYPE 4A, 125V
+B VOLTAGE CHECK
Connect Voltmeter + lead to TJ1 135V and – lead to ground
(TE7). Connect receiver to AC 120V line. Tune receiver to an
active channel. Set the picture controls to the Auto levels.
Voltage must measure between +133.0V and 136.1V. If the
voltage is out of this range, the power circuit must be checked.
No +B adjustment is provided on this chassis.
HORIZONTAL CENTERING ADJUSTMENT
1. Tune receiver to an active channel.
2. Check that picture is in the horizontal center of TV screen.
If picture is not centered horizontally, perform steps 3 ~ 6.
3. Turn off the receiver and disconnect the AC power cord
(120V AC line).
4. While pressing the MENU key, reconnect the AC power cord.
The Service Menu display will now appear.
5. Select No. 001 HP (Horizontal Phase) with
6. Adjust the data with + or – key for proper horizontal center.
To turn off the Service Menu display, press the MENU key.
VERTICAL SIZE ADJUSTMENT
1. Tune receiver to an active channel.
2. Check the vertical size of the picture. If the vertical size is too
large or small, perform steps 3 ~ 6.
3. Turn off the receiver and disconnect the AC power cord
(120V AC line).
4. While pressing the MENU key, reconnect the AC power cord.
The Service Menu display will now appear.
5. Select No. 007 VS (Vertical Size) with
6. Adjust the data with + or –key for full scan. To turn off the
Service Menu display, press the MENU key.
VERTICAL CENTERING ADJUSTMENT
1. Tune receiver to an active channel.
2. Check that picture is in the vertical center of TV screen. If picture
center is too low, replace resistor R513 (3.9K ohm, 1/6W) with
470 ohm, 1W resistor. If picture center is too high, connect
resistor R512 (470 ohm, 1W).
SERVICE ADJUSTMENTS (Continued)
or key.
or key.
GRAYSCALE ADJUSTMENT
1. Set the picture controls to the Auto levels.
2. Turn off the receiver and disconnect the AC power cord
(120V AC line).
3. While pressing the MENU key, reconnect the AC power
cord. The Service Menu display will now appear.
4. Select No. 008 RB (Red Bias), No. 009 GB (Green Bias),
and No. 010 BB (Blue Bias) with
data to 0 with + or – key.
5. Select No. 011 RD (Red Drive) and No. 012 BD (Blue Drive)
with or key and set each data to 60 with + or – key.
6. Set No. 021 GD (G Drive Reduction) data to 9, No. 025 SB
(Sub-Brightness) data to 32, No. 026 SCO (Sub-Color) data
to 7, No. 027 STI (Sub-Tint) to 20 and No. 028 SSH (Sub-
Sharpness) data to 4 with
7. Turn Screen Control (T402) to minimum (fully counterclock-
wise).
.
8. Select the Service Menu No. 042 (Bias Adjustments) with
or key.
9. Advance Screen Control (T402) clockwise to obtain just
visible one color line. If line does not appear, place this
control to maximum (fully clockwise).
10. Raise each Bias Level with 3, 6, and 9 keys to obtain just
visible white line. (See Figure 4 below.)
1 2 3
(N/A) RB(+)
RB(–)
4 5 6
(N/A) GB(+)
GB(–)
7 8 9
BB(–) (N/A) BB(+)
Figure 4. Remote Control Number keys' function in Service
Menu No. 042
11. Select the Service Menu No. 041 DRV (Drive Adjustments) with
or key.
12. Adjust Red and Blue Drive Levels alternately with 1, 3, 7, or
9 key to produce normal black and white picture in highlight
areas. (See figure 5 below.)
1 2 3
RD(–) (N/A) RD(+)
4 5 6
(N/A) (N/A) (N/A)
7 8 9
BD(–) (N/A) BD(+)
Figure 5. Remote Control Number keys' function in
Service Menu No. 041 DRV
13. Check for proper grayscale at all brightness levels.
To turn off the Service Menu display, press the MENU key.
Note: If Grayscale Adjustment is made after picture tube
replacement, check Brightness Level Adjustment.
FOCUS ADJUSTMENT
Adjust focus control (T402) for well defined scanning lines.
— 6 —
or key and set each
or , and + or – keys.
FOR RED BIAS ADJUSTMENT
FOR GREEN BIAS ADJUSTMENT
FOR BLUE BIAS ADJUSTMENT
FOR RED DRIVE ADJUSTMENT
FOR BLUE DRIVE ADJUSTMENT