Block Diagram - Power Amp Section - Sony STR-DA5400ES Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-9.

BLOCK DIAGRAM - POWER AMP Section -

PRE DRIVE
Q1501 – 1505
FRONT-L
BIAS
Q1521
PRE DRIVE
SL Q1701 – 1705
BIAS
Q1721
45
(Page 34)
PRE DRIVE
SBL
Q1801 – 1805
BIAS
Q1821
T E
L 1 3 9 4 2 2 9 6 5 1 3
PRE DRIVE
C Q1601 – 1605
BIAS
Q1621
L PREOUT
R-CH
SL PREOUT
R-CH
46
(Page 34)
SBL PREOUT
R-CH
C PREOUT
W PREOUT
RY1101 RY1102
w w w RELAY DRIVE RELAY DRIVE
Q1101 Q1102
STR-DA5400ES
BOOSTER
Q1507, 1508
CURRENT CURRENT
LIMITTER
DETECT DETECT
IC1901
Q1522, 1523 Q1524
RV1501
BIAS ALIGNMENT
BOOSTER
Q1707, 1708
CURRENT CURRENT
DETECT DETECT
Q1722, 1723 Q1724
RV1701
BIAS ALIGNMENT
BOOSTER
Q1807, 1808
CURRENT CURRENT
DETECT DETECT
Q1822, 1823 Q1824
RV1801
BIAS ALIGNMENT
R-CH
R-CH
BOOSTER
Q1607, 1608
CURRENT CURRENT
DETECT DETECT
Q1622, 1623 Q1624
RV1601
BIAS ALIGNMENT
J1101
L
FRONT
R
L
SURROUND
R
J1102
PRE OUT
L
SUR
BACK
R
CENTER
SUB
WOOFER
RY1103 RY1104
RELAY DRIVE RELAY DRIVE
Q1103 Q1104
x a o
y
. i
http://www.xiaoyu163.com
HP SW
HP-RY
RELAY DRIVE
LIMITTER
Q1402
LIMITTER
DETECT
Q1907, 1908
4/8 50
LEVEL (Page 38)
PROTECT
DETECT
Q1904 – 1906
R-CH
SP-A
RELAY DRIVE
Q4001
SP-B RELAY DRIVE
Q4002
Q Q
3 7 6
REAR-RY
RELAY DRIVE
Q4102
SB-RY RELAY DRIVE
Q4101
C-RY RELAY DRIVE
Q4003
u 1 6 3
PREOUT-RY
35 35
2 4
8 9 9
J702
R-CH PHONES
RY1401
TM4002
+
L
−
FRONT A
+
−
R
+
−
L
FRONT B
+
−
R
RY4001
RY4002
TM4101
SPEAKERS
+
L
−
SURROUND
+
R-CH
−
R
+
− L
SURROUND
+
3 1 5 1 5 0 8 9
R-CH
BACK (ZONE 2)
−
R
RY4102
RY4101
TM4001
+
CENTER
−
RY4003
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO (ANALOG)
HP SW
HPSW
HP-RY
HP-RY
SP-A
SP-A-RY
SP-B
SP-B-RY
5
REAR-RY
m
REAR-RY
(Page 27)
SB-RY
SB-RY
C-RY
C-RY
c o
PREOUT-RY
PREOUT-RY
.
STR-DA5400ES
2
8 9 9
2 4 9 8 2 9 9