Schematic Diagram - Main Section (4/5) - Sony CDX-GT40U Service Manual

4-8. SCHEMATIC DIAGRAM – MAIN Section (4/5) –
1 2
MAIN BOARD
A
B
SENSOR
BOARD
CD MECHANISM
(MG-101CA-188)
R765
0
C JL711
C701
0.1
JL710
JL709
D_SW JL708
IN_SW JL707
L_SW
JL706
EJECT JL705
LOAD JL704
D
DRV_ON JL703
SELF JL702
JL701
JL700
E
F
G
H
DR_GND
R699 0
BU_GND
C685 1000p
USB_GND
AU_GND
MAIN
DR_6V
1
BOARD
A_GND
(1/5)
D_GND
(Page 26)
SYS_RST
I VDD_3.3V
C686
1000p
BU_3.3V
Note 1: When the SERVO board is defective,
exchange the complete mounted board.
(Refer to Note 3)
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
• See page 23 for Waveforms. • See page 39 for IC Pin Function Description of IC701.
3 4 5
(4/5)
Q710
2SA1365-T112-1EF
LD DRIVE
0
OPTICAL
PICK-UP
3.2
BLOCK
(DAX-25A)
SERVO
BOARD
DECK BLOCK
CN700
28P
JL725
27 DRV_6V B 28
JL724
25 DRV_6V C 26
JL723
A
23 DRV_GND 24
JL722
21 DRV_GND F 22
JL721
E
19 BU_GND 20
R715 0 JL720
17 D_SW OP_VCC 18
JL719
15 IN_SW 1/2VCC 16
JL718
13 L_SW OP_GND 14
JL717
11 EJECT PD 12
JL716
LD
9 LOAD 10
JL715
7 DRV_ON DRV_VREF 8
JL714
FOCUS
5 SELF 6
JL713
3 SL TRACK 4
JL712
1 SP OP_GND 2
FB750 0 R724
AU_IN_LCH
FB751 0 R725
AU_IN_RCH
C750 35V 4.7 FB717 0
AU_RR_CH
MAIN
6 C751 35V 4.7 FB718 0
BOARD AU_FR_CH
C752 35V 4.7 FB719 0
(3/5)
AU_FL_CH
(Page 28)
C753 35V 4.7 FB720 0
AU_RL_CH
C754 2.2 FB721 0
AU_SUB_CH
Note 2: When the SENSOR board is defective, exchange the MECHANICAL
BLOCK (Z) ASSY 08 (Former type) or MECHANICAL BLOCK
(11CA) ASSY (New type). (Refer to Note 3)
6 7 8
JL728 VC
R750 22k
R751 22k
C788
1000p
C782
R711 R712
FB782 0.1
10 3.3
3.2
JL726 JL727
IOP- IOP+
C786
1.6
0.1
C712
C711
47
C719
0.1 R710
4V
5600p
1k
TP718
FE/SBAD
C718
26 FSMONIT
0.033
1.6
27 RFZI
0.8
28 RFRP
C717 TP719
1.6
29 TEI
0.1
TE 3.2
30 AVDD3
1.6
31 FOO
1.6
32 TRO
R714
33 VSS-1
0
1.6
34 FMO
1.6
35 DMO
C792 1.5
36 VDDM1
0.1
3.3
37 /SRAMSTB
1.5
C722
38 VDD1-2
0.1
3.2
39 VDD3-1
C720
TP720 40 CD-MON2/PIO10
0.1
41 CD-MON3/PIO11
TP721
C721
TP722 42 PIO12 / DT/BT_DATAi
0.1
TP723 43 PIO13 / DT/BT_BCKi
TP724 44 PIO14 / DT/BT_LRCKi
45
46
47
48
49
50
R764 0 TP761
2.7k C737 2.2
2.7k C738 2.2
R717 330
R718 330
R719 330
R720 330
R721
330
FB762 C732
0 1000p
FB760
C759 C756
0
0.01 1000p
C760
R761
R763
0.1
0
0
C764
C761
R766
1000p 0.1
0
Note 3: As for the mechanism deck (MG-101CA-188) carried in this unit, component parts have been
changed from the midway of production. When you perform repair exchange of the mechanism deck
(MG-101CA-188), refer to "ABOUT THE MG-101CA-188 OF FORMER AND NEW" on page 6.
29 29
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
9 10
JL730
C787 C776
0.1 0.1
C781 C780
0.1 5600p
C783
0.1
C772
0.015
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LPFN
100
TMAX 99
PDO
98
TEST
97
CD-MON1 / SP_CLK
96
CD-MON0 / SP_DATA
95
ZDET
94
DEC_XMUTE
93
BSIF_LRCK
92
BSIF_BCK
91
BSIF_DATA
90
IC701
BSIF_GATE
89
IC701
BSIF_REQ
88
TC94A99FG-003 (SY)
DIGITAL SIGNAL PROCESSOR DEC_REQ
87
VDD1-4
86
/RST
85
VSS-3
PIO15 / SDo0 84
VDD3-2
PIO16 / SDo1 83
/CCE
82
PIO17 / SDo2
BUCK/SCL
PIO18 / LRCKo 81
BUS3/Si
80
PIO19 / BCKo
BUS2/So
PIO20 / Cko 79
BUS1
78
BUS0
77
4
MS
76
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
C741 150p
FB722
0
C742 2.2
C743 150p
R722 1M C744 2.2
C745 150p
C746 2.2
R716
0
C724
C735
0.1
C725
X701 0.1
22
16.934MHz
6.3V
Ver. 1.4
11 12 13
R744 R743
330k 15k
C771
47p
1.3
0 R742
47k
1.6 BUS7
3.3 TP743 R741 100 SA_CLK
2.7 TP742 R740 1k SA_DATA
0 TP741 R739 1k
22
3.3 TP740
23
0
24
0
25
0
26
0 TP739
27
0 TP738 R738 1k
28
1k
0 TP737 R737
29
1.5 C768
0.1
TP736
3.3
30
C767
0.1
3.2
3.3 TP735
31
0 TP734
32
0 TP733 R733 0
33
0 TP732 R732 0
34
R736 100k
2.9
0
0
35
36
BUS8
C733
0.1
MAIN
BUS9
7
BOARD
C739
0.1 (5/5)
(Page 30)
37
38
39
40
41
42
43
Note 4: C741, C743 and C745 have
been deleted in the midway
of production.