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HCD-GT55
Sony HCD-GT55 Service Manual
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HCD-GT22/GT44/GT55
55
55
HCD-GT22/GT44/GT55
7-31.
SCHEMA
TIC DIA
GRAM ā
TRANS Board (GT22/GT55) ā
MAIN
N1
BOARD
CN001
AMP
P1
BOARD
CN442
(4/4)
-26.1
-36.7
-26.7
0.8
0.1
T6.3AL 250V
F904
T6.3AL 250V
F905
T8AL 250V
F908
T8AL 250V
F909
T3.15AL 250V
F906
T3.15AL 250V
F907
50V
10
C909
25V
1000
C911
22
R910
10k
R903
1k
R904
10EDB40-TB3
D902
10EDB40-TB3
D903
10EDB40-TB3
D904
10EDB40-TB3
D905
10EDB40-TB3
D908
1
3
3P
CN901
LIVE
NEUTRAL
0.1
C907
JW917
JW907
JW908
JW912
JW909
JW901
JW910
1
2
3
4
5
6
7
8
9
10
11
11P
CN907
AC-3F
AC-3
AC-4F
AC-4
VF
VF
D-GND
EVER_10
STBY-RELAY
AC-P
-VFL
63V
220
C908
50V
100
C910
UDZSTE-1730B
D906
RY901
2SB1238-PQR-TV2
Q902
4.7k
R915
2SC3052EF-T1-LEF
Q903
JW925
JL901
JL902
JL903
JL904
JL905
JL906
JL907
JL914
JL915
JL916
JL919
JL920
JL921
JL923
JL924
JL926
1
3
4
5
6
7
8
9
2
PT902
MC2838-T112-1
D910
1
2
3
4
5
5P
CN903
AC-VH
AC-VL
GND
AC-VL
AC-VH
5
2
16
17
12
14
13
18
1
15
6
10
11
4
7
3
8
9
19
MAIN POWER
PT901
FH915
FH917
FH909
FH916
FH918
FH908
FH911
FH912
FH914
FH913
FH907
FH910
MA111-TX
D901
47k
R913
12k
R914
22k
R912
50V
C914
3.3
0
R911
1
R908
TRANS BOARD
A
10
12
B
13
11
C
78
F
9
6
4
3
D
5
E
12
JW904
JW903
JW905
JW906
(CHASSIS)
-27V REGULATOR
)
GT22:AR,AUS/
(
GT55:AR
GT55:E2,E51,MX
(
GT22:E2,E3,E13,E51,MX/
)
GT55:E2,E51
)
GT22:E2,E3,E13,E51/
(
GT55:AR
)
GT22:AR/
(
SUB POWER
TRANSFORMER
GT55:AR
(
GT22:AR,AUS/
)
(
GT55:MX
GT22:MX
)
VOLTAGE
SELECTOR
GT22:E2,E3,E13,E51/
(
GT55:E2,E51
)
(
GT22:MX,AR,AUS/
GT55:MX,AR
)
(
GT55:MX,AR
)
GT22:MX,AR,AUS/
GT22:E2,E3,E13,E51/
(
GT55:E2,E51
)
TRANSFORMER
(GT22:AUS)
POWER ON/OFF
RELAY DRIVE
(AC IN)
GT55:E2,E51,MX
(
GT22:E2,E3,E13,E51,MX/
)
W901
ā
ā
NOT REPRACEABLE:
BILT IN TRANSFORMER
230-240V
S901
220V
120V
JW902
t
T
(Page 45)
(Page 41)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
54
56
Table of Contents
9 Electrical Parts List 1
3
Table of Contents
3
1 Servicing Notes
4
2 General
6
3 Disassembly
7
Disassembly Flow
7
Case (Side-L), Case (Side-R)
8
Case (Top)
8
CD Mechanism Deck (CDM74KF-K6BD91UR-WOD), USB Board
9
Lid (CD)
9
Front Panel Block
10
Mecha Deck (CWN42FF609)
10
Back Panel Block
11
MAIN Board
11
CD Board
12
DRIVER Board, SW Board
12
Optical Pick-Up Block (KSM-213D)
13
SENSOR Board
13
MOTOR (LD) Board
14
MOTOR (TB) Board
14
4 Test Mode
15
5 Mechanical Adjustments
19
6 Electrical Adjustments
20
Block Diagram - CD SERVO, USB Section
23
7 Diagrams
23
Block Diagram - MAIN Section
24
Block Diagram - AMP Section
25
Block Diagram - PANEL, POWER AMP Section
26
Printed Wiring Board - CD Board
28
Schematic Diagram - CD Board
29
Printed Wiring Boards - CHANGER Section
30
Schematic Diagram - CHANGER Section
31
Printed Wiring Board - USB Board
32
Schematic Diagram - USB Board
33
Printed Wiring Board - TC Board
34
Schematic Diagram - TC Board
35
Printed Wiring Boards - MAIN Section
37
Schematic Diagram - MAIN Section (1/4)
38
Schematic Diagram - MAIN Section (2/4)
39
Schematic Diagram - MAIN Section (3/4)
40
Schematic Diagram - MAIN Section (4/4)
41
Printed Wiring Board - MIC Board
42
Schematic Diagram - MIC Board
43
AMP Board (GT22/GT55)
44
Printed Wiring Board
44
Schematic Diagram - AMP Board (GT22/GT55)
45
Printed Wiring Board - AMP Board (GT44)
46
Ao y
47
Schematic Diagram - AMP Board (GT44)
47
Printed Wiring Boards - SUB WOOFER Section (GT44/GT55)
48
Schematic Diagram - SUB WOOFER Section (GT44/GT55)
49
Printed Wiring Boards - PANEL Section
50
Schematic Diagram - PANEL Section
51
Printed Wiring Boards - KEY Section
52
Schematic Diagram - KEY Section
53
Printed Wiring Board
54
TRANS Board (GT22/GT55)
54
Schematic Diagram
55
TRANS Board (GT22/GT55)
55
Printed Wiring Board - TRANS Board (GT44)
56
Schematic Diagram - TRANS Board (GT44)
57
Case Section
69
8 Exploded Views
69
KEY TOP Board Section
70
TC Mecha Deck Section
71
PANEL Board Section
72
Front Panel Section
73
MAIN Board Section
74
POWER Board, SUB WOOFER Board Section
75
Chassis Section
76
CD Mechanism Deck Section-1 (CDM74KF-K6BD91UR-WOD)
77
CD Mechanism Deck Section-2 (CDM74KF-K6BD91UR-WOD)
78
Q Q
78
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Schematic Diagram
16 pages
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Sony HCD-GT55 Specifications
General
Brand
Sony
Model
HCD-GT55
Category
Stereo System
Language
English
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