Sony STR-DE715 - Fm Stereo/fm-am Receiver, Руководство по обслуживанию

Страница: 71 / 260

STR-DA4300ES
31 31
STR-DA4300ES
(Page 30)
(Page 30)
6-7. BLOCK DIAGRAM – POWER AMP Section –
(Page 25)
(Page 34)
FRONT-L
SL
SBL
C
• SIGNAL PATH
• R-CH is omitted due to same as L-CH.
: AUDIO (ANALOG)
43
5
SBL PREOUT
C PREOUT
W PREOUT
L PREOUT
LIMITTER
PROTECT
SL PREOUT
37
36
PRE DRIVE
Q1501 – 1505
BOOSTER
Q1507, 1508
BIAS
Q1521
CURRENT
DETECT
Q1522, 1523
CURRENT
DETECT
Q1524
LIMITTER
IC1901
LIMITTER
DETECT
Q1907, 1908
LEVEL
DETECT
Q1904 – 1906
BIAS ALIGNMENT
BIAS ALIGNMENT
BIAS ALIGNMENT
BIAS ALIGNMENT
RV1501
HP SW
RELAY DRIVE
Q1009
HP-RY
RY1009
PHONES
J702
R-CH
RELAY DRIVE
Q1007
SP-A
RELAY DRIVE
Q1008
SP-B
RY1007
RY1008
R-CH
L
FRONT A
R
L
R
TB1001
+
−
+
+
+ FRONT B
SPEAKERS
−
−
−
PRE DRIVE
Q1701 – 1705
BOOSTER
Q1707, 1708
BIAS
Q1871
CURRENT
DETECT
Q1872, 1873
CURRENT
DETECT
Q1874
RV1851
RELAY DRIVE
Q4001
REAR-RY
RELAY DRIVE
Q4002
SB-RY
RY4001
RY4002
R-CH
R-CH
L
SURROUND
R
L
R
TB4001
+
−
+
+
+
SURROUND
BACK
−
−
−
PRE DRIVE
Q1801 – 1805
BOOSTER
Q1807, 1808
BIAS
Q1771
CURRENT
DETECT
Q1772, 1773
CURRENT
DETECT
Q1774
RV1751
R-CH
R-CH
PRE DRIVE
Q1601 – 1605
BOOSTER
Q1607, 1608
BIAS
Q1571
CURRENT
DETECT
Q1572, 1573
CURRENT
DETECT
Q1574
RV1551
RELAY DRIVE
Q1006
RELAY DRIVE
Q4054
C-RY
PREOUT-RY
PREOUT-RY
HP SW
HP-RY
SP-A
SP-B
REAR-RY
SB-RY
C-RY
PREOUT-RY
HPSW
HP-RY
SP-A-RY
SP-B-RY
REAR-RY
SB-RY
C-RY
RY1006
CENTER
TB1301
+
−
PRE OUT
J4051
SUR
BACK
FRONT
L
R
L
R
SURROUND
L
R
J4052
CENTER
SUB
WOOFER
R-CH
R-CH
R-CH
RY4054
RELAY DRIVE
Q4053
RY4053
RELAY DRIVE
Q4052
RY4052
RELAY DRIVE
Q4051
RY4051