Sony STR DA2400ES Service Manual - Page 24

Str-da2400es/dg920, Electrical, Adjustment - reset

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STR-DA2400ES/DG920 SECTION 5 ELECTRICAL ADJUSTMENT BIAS ALIGNMENT ADJUSTMENT (DA2400ES: AEP, Continental European, East European, Russian and UK only) VIDEO CALIBRATION ADJUSTMENT Adjustment to decide the standard of the video input signal. Note: Afer 10 minutes or more have passed since the power supply was turned on, this adjustment is done. Note: After replacing DIGITAL VIDEO board, or after "SUPER RESET" of the special menu mode is executed, perform this adjustment. Connection: digital voltmeter CN6102 pin , ,  (CN6104 pin , , , ) + CN6102 pin , ,  - (CN6104 pin , , , ) Procedure: 1. Connect a digital voltmeter to the CN6102 (CN6104). 2. Press the [POWER] button to turn on the main power. 3. Adjust the RV400 (RV470, RV500, RV570, RV600, RV670, RV700) so that the digital voltmeter reading is 5 mV to 20 mV. Adjustment and Connection Location: - MAIN Board (Conductor Side) - Connection: color pattern generator set color bars 100% VIDEO board COMPONENT VIDEO COMPO 2 IN jack (J6001) DVD VIDEO IN jack (J6004) Procedure: 1. "DVD" is selected by using [INPUT SELECTOR] jog. 2. Connect a color pattern generator to the COMPONENT VID- EO COMPO 2 IN jack (J6001) on the VIDEO board and DVD VIDEO IN jack (J6004) on the 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 [2CH/A.DIRECT] and [SPEAKERS (OFF/ A/B/A+B)] buttons, press the [POWER] button to turn on the main power. It enters the test mode, and display as below. V.CALIBRATION START? y N: MWx_____ (PAL input) P: MWx_____ (HD input) H: MWx_____ RV400 RV470 RV570 RV600 RV500 RV670 RV700 (CENTER)(F-L) (SUR-L) (F-R) (SUR-R) (SBL) (SBR) - A-CLASS SUPPORT A Board (Conductor Side) - 9 1 CN6104 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. (NTSC input) N: MWo C_V__ (PAL input) P: MWo C_V__ (HD input) H: MWo C____ 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 1080i) from the color pat- tern generator. 10. Perform step 4 to 6. 11. When all the adjustments end, display as below. FIN N:P:H - A-CLASS SUPPORT B Board (Conductor Side) - 1 9 CN6102 24

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STR-DA2400ES/DG920
24
SECTION
5
ELECTRICAL
ADJUSTMENT
BIAS
ALIGNMENT
ADJUSTMENT
(DA2400ES: AEP, Continental European, East European,
Russian and UK only)
Note:
Afer 10 minutes or more have passed since the power supply was
turned on, this adjustment is done.
Connection:
+
–
digital voltmeter
CN6102 pin
,
,
(CN6104 pin
,
,
,
)
CN6102 pin
,
,
(CN6104 pin
,
,
,
)
Procedure:
1.
Connect a digital voltmeter to the CN6102 (CN6104).
2.
Press the [POWER] button to turn on the main power.
3. Adjust the RV400 (RV470, RV500, RV570, RV600, RV670,
RV700) so that the digital voltmeter reading is 5 mV to 20
mV.
Adjustment and Connection Location:
RV500
(SUR-R)
RV700
(SBR)
RV570
(SUR-L)
RV470
(F-L)
RV400
(CENTER)
RV600
(F-R)
RV670
(SBL)
– MAIN Board (Conductor Side) –
– A-CLASS SUPPORT A Board
(Conductor Side) –
– A-CLASS SUPPORT B Board
(Conductor Side) –
1
9
CN6104
1
9
CN6102
VIDEO
CALIBRATION
ADJUSTMENT
Adjustment to decide the standard of the video input signal.
Note:
After replacing DIGITAL VIDEO board, or after “SUPER RESET”
of the special menu mode is executed, perform this adjustment.
Connection:
set
color pattern
generator
color bars 100%
VIDEO board COMPONENT VIDEO COMPO 2 IN jack (J6001)
DVD VIDEO IN jack (J6004)
Procedure:
1.
“DVD” is selected by using [INPUT SELECTOR] jog.
2.
Connect a color pattern generator to the COMPONENT VID-
EO COMPO 2 IN jack (J6001) on the VIDEO board and DVD
VIDEO IN jack (J6004) on the VIDEO board.
3.
Input NTSC color bars signal from the color pattern genera-
tor.
4.
Press the [POWER] button to turn off the main power
5.
While pressing the [2CH/A.DIRECT] and [SPEAKERS (OFF/
A/B/A+B)] buttons, press the [POWER] button to turn on the
main power. It enters the test mode, and display as below.
V.CALIBRATION START?
y
N: MWx_____
(PAL input)
P: MWx_____
(HD input)
H: MWx_____
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.
(NTSC input)
N: MWo C_V__
(PAL input)
P: MWo C_V__
(HD input)
H: MWo C____
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 1080i) from the color pat-
tern generator.
10. Perform step 4 to 6.
11. When all the adjustments end, display as below.
FIN N:P:H