Schematic Diagram - Main Board (4/4) - Sony HCD-GPX5G Service Manual

HCD-GPX5G/GPX7G/GPX8G
5-17. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
1 2 3
A
B
MAIN BOARD (4/4)
C
30
D
31
MAIN BOARD
4
(3/4)
(Page 39) 32
33
34
E
35
37
36
CN805
28P
SUB ON
JL725
MAIN ON
JL799
F AC-DET
JL798
/AMP-SD-FAST
JL833
DBFB
JL795
FAN-LOCK
JL973
FAN-DRIVE
JL794
DGND
JL792
AMP-CLK
JL791
G
/AMP-SD-SLOW
JL790
/AMP-OCP
JL789
/AMP-RESET
JL788
4CH DAMP
RESONANCE
BOARD B JL797
/AMP-OTW
(1/3)
JL796
CN1400
AGND
JL847
(Page 30)
Rch-Input
JL784
H
AGND
JL844
Lch-Input
JL782
AGND
JL845
SW-Rch-Input
JL780
AGND
JL846
SW-Lch-Input
JL778
+13V
I
+13V
JL786
+13V
GND
JL974
GND
JL969
GND
J
HCD-GPX5G/GPX7G/GPX8G
• See page 50 for Waveforms • See page 51 for IC Block Diagrams.
4 5 6
39 40 41 42
49 43
Q902
Q954
RT3CLLM
RT3CXXM-T111
FRONT MUTE
SW MUTE SWITCH
SWITCH
63
R923
2.2k
65
R973
2.2k
-3.2 -3.2
-3.2 -3.2
68
0 0
0 0
0 0
0 0
61
C655 C605 C604 C654
69 470p 470p 470p
470p
R971 R921
R922
R972
C1003 4.7k 4.7k
26 4.7k
4.7k
47
74
70
GPX8G
71
73
66
7 8 9
MAIN BOARD
(2/4)
(Page 38)
3
39 40 41 42 43 44 45 46 47 48 49
38
46 47
44
0.56uF : GPX7G
C958
0.15uF : GPX5G/8G
R964
*7 0.1uF : GPX5G
68K : GPX5G
33k
0.056uF : GPX7G
C961 8.1K : GPX8G
0.12uF : GPX8G R965
100K : GPX7G
C969 0.1
*23 5.6K : GPX7G
R966
10K : GPX5G/8G
GND
10k INPUT+
4.6 0
INPUT- INPUT+
IC950 4.6
4.6
BA4558F-E2
OUTPUT INPUT-
R968 R969
4.6 4.6
3.3k 8.2k
OUTPUT
VCC
OP-AMP
9.1 4.6
C966
10
*24 3.9K : GPX5G/8G
R970
4.7K : GPX7G
*26
*25 1.5K : GPX8G
2.2K : GPX7G
3.3K : GPX5G
R717 R718
100
100
C719 10
FB716 C717 C718
330ohm 0.1 0.1
R1021
R713
0
100k
3.3 3.3 0 0.2 3.4 0.2
27 26 25 24 23 22 21 20 19
R712 100k 3.4 SUSP_IND/
LOCAL_PWR/
28
C716 0.1
3.4 NON_REM0
29
VDDA33 OCS2_N
0.2
30 USBUP_DM PRTPWR2
3.2
IC700
31 VDD33CR
USBUP_DP
C712 USB2512B-AEZGCU
8
18p 0
R769
32 XTAL2 VDD18
X700 24MHz
0.7
OCS1_N
33 XTAL1/CLKIN USB CONTROLLER
C713
1.21
12p
34
VDD18PLL PRTPWR1
1.2
R710 12k
35 RBIAS
3.4
36 VDDA33
VDD33PLL
C715
D704
0.1
MC2840-T112-1
1 2 3 4 5 6 7 8 9
0 0 0
0 0
C722
0.1
C714 0.1
C720
0.1
40 40
10 11 12
45
48
GPX8G
R963
100k
R914 33k R913 100k
R915 82k
C919 0.1
C913
0.1
INPUT+ GND
C963 0.1 C931
4.6 0
0.1
INPUT+
INPUT-
4.6 4.6
R967 OUTPUT INPUT - R918
R917 R919
4.6 4.6
10k 1.5k
10k 8.2k
OUTPUT
VCC
R1025
9.12 R1024
4.6
0
820
R920
3.9k
820 : GPX8G
0 : GPX8G
*IC900
IC BA4558F-E2
OP-AMP
R708
100
R722 R724
22k 330
0 0 0 9.1
5 6 7 8
4 3 2 1
3.4
0 5.2 5
R723
R725
NC 18
22k 330
17
16 IC702
BA2903FV-E2
15
IC B/D
3.4
14
1.3
13
USB COMPARATOR
12
TEST 11
0
10
3.4
C729
0.1
13 14 15
JL967
1 USB A GND
JL774
2 D+A
JL773
3 D-A
JL772
4 USB A+5V
USB
JL723
5 SHIELD F
BOARD
JL777
N01202
6 USB B GND
JL966
(Page 42)
7 D+B
JL776
8 D-B
JL724
9 USB B+5V
10 SHIELD
CN705
10P
E
ET700