Read Sony STR-DA3000ES Service Manual online
15
STR-DA3000ES
SECTION 5
ELECTRICAL ADJUSTMENTS
DC OFFSET ADJUSTMENT
Condition:
function:
function:
MULTI CH 2
input signal: no signal (no load)
volume:
volume:
0 dB
Connection
Procedure:
1. Connect a digital voltmeter to the TM1710 (TM1730, 1740,
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.
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
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