Block Diagram - Power Amp Section - Sony STR-DA5300ES Service Manual

STR-DA5300ES
6-8. BLOCK DIAGRAM – POWER AMP Section –
FRONT-L
SL
(Page 39)
45
SBL
C
L PREOUT
SL PREOUT
(Page 39) 46
SBL PREOUT
C PREOUT
W PREOUT
STR-DA5300ES
PRE DRIVE BOOSTER
Q1501 – 1505 Q1507, 1508
CURRENT CURRENT
BIAS
DETECT DETECT
Q1521
Q1522, 1523 Q1524
RV1501
BIAS ALIGNMENT
PRE DRIVE BOOSTER
Q1701 – 1705 Q1707, 1708
CURRENT CURRENT
BIAS
DETECT DETECT
Q1721
Q1722, 1723 Q1724
RV1701
BIAS ALIGNMENT
PRE DRIVE BOOSTER
Q1801 – 1805 Q1807, 1808
CURRENT CURRENT
BIAS
DETECT DETECT
Q1821
Q1822, 1823 Q1824
RV1801
BIAS ALIGNMENT
PRE DRIVE BOOSTER
Q1601 – 1605 Q1607, 1608
CURRENT CURRENT
BIAS
DETECT DETECT
Q1871
Q1872, 1873 Q1874
RV1851
BIAS ALIGNMENT
R-CH
R-CH
R-CH
RY1101 RY1102 RY1103 RY1104
RELAY DRIVE RELAY DRIVE RELAY DRIVE RELAY DRIVE
Q1101 Q1102 Q1103 Q1104
LIMITTER
LIMITTER
DETECT LIMITTER
IC1901
Q1907, 1908
4/8 50
LEVEL
(Page 44)
PROTECT
DETECT
Q1904 – 1906
R-CH
R-CH
J1101
L
FRONT
R
L
SURROUND
R
J1102
PRE OUT
L
SUR
BACK
R
CENTER
SUB
WOOFER
PREOUT-RY
40 40
HP SW
J702
R-CH PHONES
HP-RY RELAY DRIVE
Q1402
RY1401
TM4002
+
L
−
FRONT A
+
−
R
+
− L
+ FRONT B
R-CH
−
R
SP-A RELAY DRIVE
Q4001
RY4001
SP-B RELAY DRIVE
Q4002
RY4002 TM4101
+
L
−
SURROUND
+
R-CH
−
R
+
−
L
SURROUND
+
R-CH
BACK (ZONE 2)
−
R
REAR-RY RELAY DRIVE
Q4102
RY4102
SB-RY RELAY DRIVE
Q4101
RY4101 TM4001
+
CENTER
−
C-RY RELAY DRIVE
Q4003
RY4003
HP SW
HPSW
HP-RY
HP-RY
SP-A
SP-A-RY
SP-B
SP-B-RY
5 (Page 33)
REAR-RY
REAR-RY
SB-RY
SB-RY
C-RY
C-RY
PREOUT-RY
PREOUT-RY
SPEAKERS
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO (ANALOG)