Sony STR-DB795 Service Manual

15
STR-DB795
BIAS ADJUSTMENT
Condition:
input signal: no signal (no load)
volume: minimum
Connection
Procedure:
1. Connect a digital voltmeter to the CN432 (CN482, CN532,
CN582, CN632, CN682) on the MAIN board or CN732 on
the SBL board.
2. Press the I/1 button to turn on the main power.
3. Adjust the RV431 (RV481, RV531, RV581, RV631, RV681)
on the MAIN board or RV731 on the SBL board so that the
digital voltmeter reading is 15±2 mV.
Note: When the adjusting voltage is higher than 15±2 mV, adjust the
voltage to the minimum voltage.
Adjustment and Connection Loacation:
+
–
digital voltmeter
CN432 (CN482, 532, 582, 632, 682, 732) pin
1
CN432 (CN482, 532, 582, 632, 682, 732) pin 2
RV731
– SBL BOARD (Component Side) –
CN732
1
2
– MAIN BOARD (Component Side) –
RV431
CN432
2 1
RV481
RV631
RV681
RV531 RV581
CN482
CN632
CN682
CN532
CN582
2 1
2 1
2 1
2 1
2 1
SECTION 5
ELECTRICAL ADJUSTMENTS

Sony STR-DB795 Specifications

General

Dimensions (WxDxH)	430 x 401 x 161 mm
Power requirements	230V, 50/60Hz
Supported radio bands	FM, MW
Radio Data System (RDS)	Yes
I/O ports	5.1 Analogue Input - 1.0 Audio Input - 3.0 Audio Input Front - 1 AV, S-Video Audio Output - 1.0 Control A1 / A1 II Digital Input: coaxial - 1.0 Digital Input: optical - 4.0 Digital Output: optical - 1.0 Headphone Output Monitor Output (Picture): FBAS - 1.0 Monitor Output (Picture): S-Video - 1.0 Phono Input Speaker Selector A S-Video Input - 4.0 S-Video Output - 1.0 Video Input - 5.0 Video Output - 2.0
Connectivity technology	Wired
Frequency range	20 - 20000 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	290 W

Weight and Dimensions

Weight	12500 g