DOWNLOAD Sony HCD-GX40 / MHC-GX40 Service Manual ↓ Size: 4.77 MB | Pages: 56 in PDF or view online for FREE

Model
HCD-GX40 MHC-GX40
Pages
56
Size
4.77 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gx40-mhc-gx40.pdf
Date
PREV: Sony MHC-GX40 Service Manual

Sony HCD-GX40 / MHC-GX40 Service Manual ▷ View online

26
26
HCD-GX40
5-7. Schematic Diagram – MAIN Section (1/4) –
• See page 36,37 for IC Block Diagrams.
• See page 19 for Waveforms.
2.3
5.3
2.6
1
1
2.6
2.6
5.1
6.9
0
0
0
0
0
0
11.9
6.4
2.3
8
8
2.3
2.3
4.5
8.1
8
0
6.9
3.4
3.1
3.1
0.3
0
2.5
2.3
2.1
2.2
3.4
3.4
0
0
4.9
0
0
0
0.2
0.2
9.6
11.8
5.6
4
1
2
3
4
5
6
9
10
11
12
14
15
17
18
16
13
MAIN BOARD
    
(1/4)
TO
MAIN BOARD
(3/4)
TO
CD
BOARD
CN734
(Page 24)
TO
MAIN BOARD
(3/4)
TO
MAIN BOARD
(2/4)
TO
MAIN BOARD
(3/4)
TO
MAIN BOARD
(2/4)
AM
ANTENNA
FM75
Ω
RF IF
AMP
+B SWITCH
3
4
2
4
1
B
IC102
PLL
IC101
AM FM IF MPX
0.022
0.022
MUTE
MUTE
RV101
FM TUNED
LEVEL
IFT101
AM IF
T101
NULL
CN704
IC B/D
IC B/D
27
27
HCD-GX40
5-8. Schematic Diagram – MAIN Section (2/4) –
• See page 19 for Waveforms.
0.6
0.6
0
0
0
4.5
0
0.6
1.2
9.4
0.2
3.7
2.5
0.6
4.7
2.9
12
12
0
0
0.7
0.7
0.7
0.7
0
0
0
0.7
0.7
5.7
1.3
1.2
0.6
4.8
3.4
0
0
0
4.7
0
0
4.8
4.7
0
5
4
4.4
4.7
0.2
0.2
4.8
4.4
4.7
4.8
0
4.7
5.9
5.9
5.9
11.5
7.1
0.2
0.8
0.2
0.8
5.5
5.6
2.7
3.4
5.1
0
0
0
0
0
0
0
0
0
9
9
9
9.1
9.1
9.1
9.1
9.1
9.1
0
0
11.9
11.2
11.9
11.9
2.9
4.7
4.7
1.2
4.8
2.9
2.9
4.7
4.8
4.7
2.4
4.8
AMS
AMS
AMS
SPEANA(R)
SPEANA(L)
5
20
19
1
21
22
2
24
3
25
28
29
1211 26 27
23
30
31
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
33
32
MAIN BOARD
    
(2/4)
TO
MAIN BOARD
(3/4)
TO
MAIN BOARD
(3/4)
TO
MAIN BOARD
(3/4)
TO
MAIN BOARD
(1/4)
TO
MAIN BOARD
(1/4)
TO
MAIN BOARD
(4/4)
7
C
1
6
2
8
5
IC303
BUFFER
IC202
BUS SHIFT 
REGISTER
TO
PANEL BOARD
CN601
(Page 31)
TAPE DECK
(2/2)
TAPE 
DECK
(1/2)
RESET
Q222,223
B SOL DRIVE
Q224,225
A SOL DRIVE
Q226,227
M +B CONT
BIAS OSC
Q201-204
SWITCH
SWITCH
SWITCH
BIAS
REC BIAS
IC201
DECK A/B SELECT
PB/REC EQ AMP
DECK A
DECK B
CN603
50V
50V
(2/2)
(2/2)
28
28
HCD-GX40
5-9. Schematic Diagram – MAIN Section (3/4) –
• See page 36 for IC Block Diagrams.
11.4
4.4
4.7
11.4
4.3
4.6
5
13.6
13.6
13.6
5.6
9
15.4
0
0
0
0
0
0.8
0.7
0
4.3
2.9
11.9
12
12
4.6
5.9
5.9
5.9
0.7
11.5
5.9
5.9
5.9
5.9
5.9
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
9.2
0
0
4.6
4.6
4.6
4.6
4.6
4.6
24.6
0.6
13.6
13.6
4.8
13.6
12.7
0
CN402
26
27
49 50
20
19
21
51
2829 80
52 53 54
25
55
5859606162636465666768
69 70
80
71
73
72
74
75 76 77 78 79
4
5
24
6
23
9
10
13
14
15
16
17
18
22
4
8
9
5
TO
MAIN BOARD
(1/4)
TO
MAIN
BOARD
(2/4)
TO
MAIN
BOARD
(4/4)
TO
MAIN
BOARD
(2/4)
TO
MAIN BOARD
(1/4)
TO
MAIN BOARD
(2/4)
MAIN BOARD
    
(3/4)
3
6
IC301
IC306
SOUND PROCESSOR
IC804
+5V REG
IC803
+5.6V REG
IC801
+9V REG
IC802
+12V REG
BUFFER
BUFFER
SWITCH
PROTECT CONT
PROTECT SWITCH
Q806,813
RELAY DRIVE
RELAY DRIVE
F
TO
POWER BOARD
CN502
(Page 33)
(FAN)
MOTOR 
DRIVE
D815
D814
R813
5.6k
4.7k
R814
5.6k
C816
4.7
C817
0.1
C397
0.1
50V
R812
47k
R815
100
R854
Q803
M
M961
CN301
LPF,BUFFER
IC303
MIX
GND1
IC B/D
(1/2)
(1/2)
29
29
HCD-GX40
5-10. Schematic Diagram – MAIN Section (4/4) –
4.0
0
0
0
0
12
11.8
0
0
15.3
0
0.1
0.7
11.9
11.9
15.3
11.1
4.8
4
4.4
4.4
4.4
4.4
4
0.7
0.7
0
0
0
5.6
4.4
4.4
4.4
4.4
0.7
0
0
0
0
0
0
6.6
1.2
1.9
0.7
0.7
5.8
1.5
2.1
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
TO
MAIN BOARD
(2/4)
TO
MAIN BOARD
(3/4)
49
80
50
51
52 53 54
55
58596061626364656671 676869 70
807273
74 75 76 77 78 79
MAIN BOARD
    
(4/4)
7
9
+
+
-
-
SPEAKER
TO
PANEL 
BOARD
CN691
E
(Page 31)
TO
AMPLIFIER
BOARD
CN509
H
(Page 34)
TO
POWER
BOARD
CN503
D
(Page 33)
SWIITCH
Q331,332
MUTE
Q315,316
MUTE
Q313,314
MUTE CONT
Q809,810
PROTECT DETECT
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
SWITCH
SWITCH
SWITCH
JK303
CN403
CN304
JK302
RELAY
DRIVE
SUB WOOFER
OUT
SUB WOOFER
CONTROL
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