■
POWER AMPLIFIER ADJUSTMENT /
パワーアンプ調整
1. Right after power is turned on, confirm that the
voltage across the terminals of R2254 (SURROUND
Rch), R2252 (FRONT Rch), R2253 (CENTER), R2255
(FRONT Lch) and R2249 (SURROUND Lch) are within
the confines of 0.1 mV to 10 mV.
2. If measured voltage exceeds 10 mV, remove
R2212 (SURROUND Rch), R2210 (FRONT Rch),
R2211 (CENTER), R2213 (FRONT Lch) and R2207
(SURROUND Lch), and then reconfirm the voltage.
Attention
If the measured voltage exceeds 10 mV after repairing
the power amplifier, check other parts again for any
possible defect before removing the resistor.
3. Confirm that the voltage is within the confines of 0.2
mV to 15 mV after 60 minutes.
1. 電源投入直後、
R2254(SURROUND Rch)
、
R2252(FRONT
Rch)
、R2253(CENTER)
、R2255(FRONT Lch)
、R2249
(SURROUND Lch)の端子間電圧を測定し、0.1 mV から
10 mV の間であることを確認してください。
2. 電圧が 10 mV を超えている場合は、R2212(SURROUND
Rch)、R2210(FRONT Rch)、R2211(CENTER)、R2213
(FRONT Lch)、R2207(SURROUND Lch)を外し、電圧
を再確認してください。
注意
パワーアンプ修理後に 10 mV を超えている場合は、抵
抗を外す前に故障箇所を調べてください。
3. 60 分後、電圧が 0.2 mV 〜 15 mV であることを確認し
てください。
0.1 mV – 10 mV
(DC)
R2254 (SURROUND Rch)
R2252 (FRONT Rch)
R2253 (CENTER)
R2255 (FRONT Lch)
R2249 (SURROUND Lch)
R2212 (SURROUND Rch)
R2210 (FRONT Rch)
R2211 (CENTER)
R2213 (FRONT Lch)
R2207 (SURROUND Lch)
Front side
R2249
R2254
R2255
R2252
R2253
MAIN (1) P.C.B.
MAIN (1) P.C.B.
SURROUND R
SURROUND L
CENTER
FRONT R
FRONT L
SURROUND R
SURROUND L
CENTER
FRONT R
FRONT L
R2207
R2212
R2213
R2210
R2211
(Side B)
(Side A)
62
RX-V385/HTR-3072
RX-V385/HTR-3072
Содержание HTR-3072
Страница 4: ...HTR 3072 K B G F L models HTR 3072 T model 4 RX V385 HTR 3072 RX V385 HTR 3072 ...
Страница 5: ...RX V385 U C models RX V385 T model REAR PANELS RX V385 K model 5 RX V385 HTR 3072 RX V385 HTR 3072 ...
Страница 6: ...RX V385 A model RX V385 B G models RX V385 F model 6 RX V385 HTR 3072 RX V385 HTR 3072 ...
Страница 7: ...RX V385 L model RX V385 V P S models RX V385 J model 7 RX V385 HTR 3072 RX V385 HTR 3072 ...
Страница 8: ...HTR 3072 K model HTR 3072 B G models HTR 3072 T model 8 RX V385 HTR 3072 RX V385 HTR 3072 ...
Страница 9: ...HTR 3072 F model HTR 3072 L model 9 RX V385 HTR 3072 RX V385 HTR 3072 ...
Страница 10: ... REMOTE CONTROL PANEL RAV561 Remote control sheet T model 10 RX V385 HTR 3072 RX V385 HTR 3072 ...
Страница 133: ...RX V385 HTR 3072 ...