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HCD-RG270
Sony HCD-RG270 Service Manual
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58
HCD-GX355/GX555/RG270/RG475/RG575
– MAIN Board –
IC101
BD3401KS2
1
D1
2
D2
3
E1
9
TAPE
A1
10
TAPE
A2
11
TAPE
B1
12
TAPE
B2
13
RECNF2
14
RECOUT2
5
PBNF2
6
PBOUT2
7
PBOUT1
4
E2
8
PBNF1
15
RECOUT1
16
RECNF1
33
VOLOUT1
34
BBNF1
35
BBIN1
36
VIN1
DIGITAL
CONTROL
64
C2
+
−
+
−
+
−
+
−
ALC
ATT
ATT
ALC
DI-LIMITER
SURROUND
17
ALC
18
SC
19
SI
27
LF3
28
LF2
29
LF1
30
BBIN2
20
VDD
21
GND
22
VCC
23
1/2 VCC
24
FILTER
+
−
32
VOLOUT2
+
−
25
SWOUT
26
LF4
+
−
LOW-PASS
FILTER
SOFT
SWITCH
BUFFER
MIX
MIC AMP
+
−
31
BBNF2
38
VIN2
37
TONE
OUT1
48
MNF2
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
63
C1
62
B2
61
B1
60
A2
59
A1
45
MNF1
44
BNF1
42
BOUT2
41
BNF2
39
TONE
OUT2
40
AMS OUT
47
MOUT2
46
MOUT1
43
BOUT1
+
−
58
MIC
56
SAOUT1
55
SAOUT2
57
CAP
+
−
INPUT
SELECT
+
−
+
−
54
LINEOUT1
53
LINEOUT2
52
SUR2
51
SUR1
49
TNF2
50
TNF1
TONE
CONTROL
TONE
CONTROL
+
+
+
+
57
59
Table of Contents
Default Chapter
1
Specifications
1
Table of Contents
4
1 Servicing Notes
5
2 General
6
3 Disassembly
8
Disassembly Flow
8
Case (Top)
9
Door (CD)
9
Front Panel Section
10
Mechanical Deck (CWM43FF13)
10
CD Mechanism Deck
11
MX Model)/Cdm74Kfs-F1BD84 (MX Model))
11
Back Panel Section
11
MAIN Board
12
BD Board/CD Board
12
DRIVER Board, SW Board
13
Optical Pick-Up (KSM-215DCP)
13
SENSOR Board
14
MOTOR (TB) Board
14
MOTOR (LD) Board
15
4 Test Mode
16
5 Electrical Adjustment
20
6 Diagrams
21
Block Diagram - CD SERVO Section
21
Block Diagram - AUDIO/VIDEO Section
22
Block Diagram - AMP Section
23
Block Diagram - PANEL, POWER SUPPLY Section
24
Printed Wiring Board - CD Board - (Except MX Model)
26
Schematic Diagram - CD Board - (Except MX Model)
27
Printed Wiring Board - BD Board - (MX Model)
28
Schematic Diagram - BD Board - (MX Model)
29
Printed Wiring Boards - CHANGER Section
30
Schemtic Diagram - CHANGER Setion
31
Printed Wiring Board - MAIN Board
32
Schematic Diagram - MAIN Board (1/3)
33
Schematic Diagram - MAIN Board (2/3)
34
Schematic Diagram - MAIN Board (3/3)
35
Printed Wiring Board - POWER Board
36
Schematic Diagram -POWER Board
37
Printed Wiring Board - SUB WOOFER Board - (GX555/RG475/RG575 Only)
38
Schematic Diagram - SUB WOOFER Board - (GX555/RG475/RG575 Only)
39
Printed Wiring Boards - AUDIO, MIC, HEADPHONE Boards
40
Schematic Diagram - AUDIO, MIC, HEADPHONE Boards
41
Printed Wiring Boards - CD-G Section - (MX Model Only)
42
Schematic Diagram - CD-G Section - (MX Model Only)
43
Printed Wiring Board - PANEL Section (1/2)
44
Printed Wiring Board - PANEL Section (2/2)
45
Schematic Diagram - PANEL Section (1/2)
46
Schematic Diagram - PANEL Section (2/2)
47
Printed Wiring Boards - TRANS Section
48
Schematic Diagram - TRANS Section
49
Driver Board
57
Main Board
58
7 Exploded Views
66
Overall Section
66
Back Panel Section
67
Front Panel Section
68
Key Section
69
Chassis Section
70
Transformer Section
71
CD Mechanism Deck Section-1 (CDM74KFS-F1BD81C) (Except MX Model)/ (CDM74KFS-F1BD84) (MX Model)
72
CD Mechanism Deck Section-2
72
CDM74KFS-F1BD81C) (Except MX Model CDM74KFS-F1BD84) (MX Model)
72
(CDM74KFS-F1BD81C) (Except MX Model)/ (CDM74KFS-F1BD84) (MX Model)
73
8 Electrical Parts List
74
Sub Woofer
90
Revision History
92
4
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Sony HCD-RG270 Specifications
General
Brand
Sony
Model
HCD-RG270
Category
Car Receiver
Language
English
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