Block Diagram - Power Amp Section - Sony STR-D560Z Service Manual

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