Electrical Adjustments - Sony STR-DA3300ES Service Manual

ELECTRICAL ADJUSTMENTS

BIAS ALIGNMENT ADJUSTMENT
Note: Afer 10 minutes or more have passed since the power supply was
turned on, this adjustment is done.
Connection:
CN1561 (CN1611, CN1761, CN1861) pin 1, CN1561 (CN1761, CN1861) pin 3
CN1561 (CN1611, CN1761, CN1861) pin 2, CN1561 (CN1761, CN1861) pin 4
Procedure:
1. Connect a digital voltmeter to the CN1561 (CN1611, CN1761,
CN1861).
2. Press the [POWER] button to turn on the main power.
3. Adjust the RV1501 (RV1551, RV1601, RV1701, RV1751,
RV1801, RV1851) so that the digital voltmeter reading is 5 mV
to 20 mV.
Adjustment and Connection Location:
– BIAS Board (Conductor Side) –
Adjustment hole Adjustment hole Adjustment hole
for RV1801 for RV1851 for RV1601
– PROTECTOR (SB) Board
– PROTECTOR (F-C) Board
(Component Side) –
CN1861
4 1
STR-DA3300ES/DG1100
SECTION 5
digital voltmeter
+
–
Adjustment hole Adjustment hole Adjustment hole
for RV1501 for RV1551 for RV1701
– PROTECTOR (SURR) Board
(Component Side) – (Component Side) –
CN1611 CN1561 CN1761
4 1 4 1 4 1
VIDEO CALIBRATION ADJUSTMENT
Adjustment to decide the standard of the video input signal.
Note: After replacing D_VIDEO board, or after "SUPER RESET" of the
special menu mode is executed, perform this adjustment.
Connection:
color pattern
generator
color bars 100%
A_VIDEO board COMPONENT VIDEO DVD/BD IN jack (J6001)
Procedure:
1. "DVD" is selected by using [INPUT SELECTOR] jog.
2. Connect a color pattern generator to the COMPONENT
VIDEO DVD/BD IN jack (J6001) on the A_VIDEO board
and DVD/BD VIDEO IN jack (J6004) on the A_VIDEO board.
3. Input NTSC color bars signal from the color pattern generator.
4. Press the [POWER] button to turn off the main power
5. While pressing the [MEMORY/ENTER], [MUSIC] and
[DMPORT] buttons, press the [POWER] button to turn on the
main power. It enters the test mode, and display as below.
V.CALIBRATION START? y NTSC : MW--_____
6. In state of step 5, press the [MEMORY/ENTER] button. The
adjustment is automatically completed, and result is written
in the EEPROM, and display as below.
Adjustment hole
for RV1751
(NTSC input) NTSC : MW OK C_V__
(PAL input)
(HD input)
When "Check XXXX V-IN" is displayed, Video signal
necessary for the measurement while measuring it last time
was not detected and it became an error. Confirm the input of
the video of the terminal connection etc., and measure the
[MEMORY/ENTER] button again pressing.
7. Input PAL color bars signal from the color pattern generator.
8. Perform step 4 to 6.
9. Input HD color bars signal (720p or 1080p) from the color
pattern generator.
10. Perform step 4 to 6.
11. When all the adjustments end, display as below.
V.CAL COMPLETE N:P:H
27 27
FM AUTO STOP CHECK
signal
generator
Procedure:
1. Turn on the set.
2. Input the following signal from signal generator to FM antenna
set
Carrier frequency: A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
DVD/BD VIDEO IN jack (J6004)
Modulation : 1 kHz
ANT input : 35 dBu (EMF)
Note: Use 75 ohm coaxial cable to connect signal generator and the set.
3. Set to FM tuner function and scan the input FM signal with
4. Confirm that input frequency of A, B and C are detected and
When the station signal is received in good condition, automatic
scanning stops.
(PAL input) PAL : MW--_____
(HD input) HD-V : MW--_____
PAL : MW OK C_V__
HD-V : MW OK C_V__
STR-DA3300ES/DG1100
set
input directly.
: 75 kHz
You cannot use video cable for checking.
Use signal generator whose output impedance is 75 ohm.
automatic scanning.
automatic scanning stops.