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CD Player
HCD-GPX555
Service manual
Block Diagram - Amp Section - Sony HCD-GPX555 Service Manual
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:
Service manual
(2 pages)
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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6-3.
BLOCK DIAGRAM - AMP Section -
OP AMP
IC612
FRONT-L
3 +
OUT
1
R-CH
OUT 7
5 +
>001B
MAIN SECTION
(Page 24)
OP AMP
IC616
SWL-L
3 +
OUT
1
R-CH
5 +
OUT 7
HCD-GPX555/GPX888
OP AMP
IC1015
OUT_1
1
3 +IN_1
5 +IN_2
OUT_2
7
MUTE
PROTECTION
Q1035
OP AMP
IC1016
OUT_1 1
GPX888
MUTE
PROTECTION
Q1042
3 +IN_1
5 +IN_2
OUT_2
7
DUAL
OPERATIONAL
AMPLIFIER
IC1003
1
7
5
MUTE
AMP RESET
AMP
SWITCH
SWITCH
SWITCH
Q1008
Q1058
Q109
120
96
136
131
POWER AMP
+63V
IC1009
DIGITAL AUDIO MOSFET
HO
14
Q1023
3
IN
VS 13
RESET
5
CSD
SWITCH
DIGITAL AUDIO MOSFET
LO
11
Q1026
Q1025
COM 10
TH1007
-63V
POWER AMP
+63V
IC1011
DIGITAL AUDIO MOSFET
HO
14
Q1028
3
IN
VS 13
RESET
DIGITAL AUDIO MOSFET
CSD
SWITCH
5
LO
11
Q1030
Q1031
COM 10
TH1008
-63V
GPX888
POWER AMP
+63V
IC1012
DIGITAL AUDIO MOSFET
HO
14
Q1032
3
IN
VS 13
RESET
SWITCH
5
CSD
DIGITAL AUDIO MOSFET
LO
11
Q1036
Q1034
COM 10
TH1009
-63V
POWER AMP
+63V
IC1014
DIGITAL AUDIO MOSFET
HO
14
Q1038
3
IN
VS 13
RESET
DIGITAL AUDIO MOSFET
SWITCH
CSD
5
LO
11
Q1039
Q1041
COM 10
TH1010
-63V
SYSTEM CONTROLLER
IC101 (3/4)
25
25
TB1000
-
PGND
+
FL
FR
-
D1024
DC DETECT
+
SWITCH
Q1027
PGND
TB1001
D1024
-
PGND
SWL
+
-
SWR
+
PGND
DC DETECT
D1034
SWITCH
Q1037
TB1002
-
PGND
SWR
+
>002B
TH-PROTECT
AMP SECTION
D1034
(Page 26)
FL+
FR+
THERMISTOR
DC DETECT
D1011
PROTECTION
SWITCH
Q1067, Q1071
Q1060
13V
FAN RESET
SWITCH
Q1073
FAN DRIVER
78
132
Q1072
/AMP-RESET
120
FAN PROTECTION
(LOCK)
INT-FAN-DET
82
Q1075
HCD-GPX555/GPX888
L
FRONT SPEAKERS
R
GPX888
L
SUBWOOFER
R
GPX555
SUBWOOFER
: AUDIO
CN1001
DC FAN
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