Block Diagram - Amp Section - Sony MHC-V7D Service Manual

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6-3.

BLOCK DIAGRAM - AMP Section -

OP AMP
IC1009
>001B
FRONT-L
7 VINL1
VOUTL1
26
MAIN SECTION
(Page 34)
R-CH
8 VINR1
VOUTR1 25
18
19
130
129
MHC-V7D
POWER AMP
IC1008
DIGITAL AUDIO MOSFET
HO1
15
Q1000
17
CSL1
DIGITAL AUDIO MOSFET
18
LO1
Q1001
2 IN-2
COM
20
RESET
OTP
23
SWITCH
11 CSD
Q1002
DIGITAL AUDIO MOSFET
HO2
28
Q1004
9 IN-1
CSL2
26
DIGITAL AUDIO MOSFET
LO2
25
Q1005
32 CLK
AMP
SWITCH
Q1018
120
136
78
+63V
FR
DC DETECT
SWITCH
Q1003
TH1002
-63V
+63V
FL
-63V
DC DETECT
SWITCH
Q1019
SYSTEM CONTROL
IC101 (3/4)
35
35
CN1005
+
FR
-
FL
+
-
D1030
FAN PROTECTION
(LOCK)
Q1024
FAN RESET
FAN DRIVER
SWITCH
Q1022
Q1021
13V
: AUDIO
MHC-V7D
SPB1
SPK BOX ASSY
R+
SP3
SP4
(TWEETER (R-CH))
SP5
(WOOFER)
L+
SP1
SP2
(TWEETER (L-CH))
CN1011
DC FAN

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