Sony STR-DA3000ES - Electrical Adjustments; DC Offset Adjustment

15
STR-DA3000ES
SECTION 5
ELECTRICAL ADJUSTMENTS
DC OFFSET ADJUSTMENT
Condition:
function: MULTI CH 2
input signal: no signal (no load)
volume: 0 dB
Connection
Procedure:
1. Connect a digital voltmeter to the TM1710 (TM1730, 1740,
1750, 1760, 1770) on the D-AMP board, CN919 (US, Canadian
models) and C941 (except US, Canadian models) on the REG
board.
2. Press the I/1 button to turn on the main power.
3. Adjust the RV111 (141, 161, 181, 211, 241, 261, 281) so that
the digital voltmeter reading is ±20 mV. (Only adjustment use
RV261, digital voltmeter reading is
+40
mV)
–0
Adjustment and Connection Location: see page 16
+
–
digital voltmeter
TM1710 (TM1730, 1740, 1750, 1760, 1770)
3 pin,
CN919 pin
1 (US, Canadian models) or
C941
3 pin (except US, Canadian models)
TM1710 (TM1730, 1740, 1750, 1760, 1770)
# pin,
CN919 pin
2