Block Diagram - Amp Section - Sony STR-DN1080 Service Manual

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2020/11/17 21:24:35 (GMT+09:00)
STR-DN1080/ZA810ES
Ver. 1.1
6-8.

BLOCK DIAGRAM - AMP Section -

FL, SL, SBL, C,
Z2-PREOUT-SW-RY
>024B
(Page 55)
R-ch is omitted due to same as L-ch.
SIGNAL PATH
STR-DN1080/ZA810ES
BOOSTER
Q1700
POWER AMP
LIMITER
Q1720, 1722,
Q1702, 1703
1724, 1725
FL
BOOSTER
Q1701
BOOSTER
Q1800
POWER AMP
LIMITER
Q1820, 1822,
Q1802, 1803
1824, 1825
C
BOOSTER
Q1801
BOOSTER
Q1550
POWER AMP
LIMITER
Q1570, 1572,
Q1552, 1553
1574, 1575
SL
BOOSTER
Q1551
BOOSTER
Q1650
POWER AMP
LIMITER
Q1670, 1672,
Q1652, 1653
1674, 1675
SBL
BOOSTER
Q1651
Z2-PREOUT-SW-RY
TH1252
96
: AUDIO
CURRENT
DETECT
D1700
Q1704, 1705
CURRENT
DETECT
D1800
Q1804, 1805
CURRENT
DETECT
D1550
Q1554, 1555
CURRENT
DETECT
D1650
Q1654, 1655
D1326
PROTECTOR
Q1320, 1321,
1323 – 1325
D3198
D3199
D3197
D3200
TH1251
TH1253
95
97
94
76
47
SYSTEM CONTROLLER
56
56
–2
R-CH
RELAY DRIVE
RY1390
Q1375
–2
RELAY DRIVE
RY1350
Q1350
R-CH
–1
RELAY DRIVE
RY1365
Q1365
–2
RELAY DRIVE
RY1355
Q1355
R-CH
–2
RELAY DRIVE
RY1360
Q1360
R-CH
(DN1080: US, CND/ZA810ES)
–2
RELAY DRIVE
RY1391
Q1881
R-CH
3 6 2 15 1 4 7 5
595_DATA
77
14
SI
IC3002 (8/10)
595_CLK
78
11
SCK
RELAY CONTROL
595_OE
70
13
G
IC3194
595_LAT
72
12
RCK
J1101
PHONES
TB1501
+
L
FRONT A
+
R
+
CENTER
TB1502
+
L
SURROUND
SPEAKERS
IMPEDANCE USE 6 – 16
+
R
TB1503
+
(DN1080: US, CND/ZA810ES)
L
SURROUND BACK/HEIGHT
(FRONT B/BI-AMP)
SURROUND BACK/HEIGHT
+
(FRONT B/BI-AMP/ZONE 2)
R
(DN1080: AEP, UK, AUS, TW)
TB1504
+
L
ZONE2
+
R
BRIDGEABLE-RY
>025B
(Page 58)
SYS SET

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