CDX-GT52UM/GT470UE/GT470UM/GT472UE/GT472UM/GT474UM/GT520U/GT525U
CDX-GT52UM/GT470UE/GT470UM/GT472UE/GT472UM/GT474UM/GT520U/GT525U
3636
4-7. SCHEMATIC DIAGRAM - MAIN Section (4/5) -
• See page 32 for Waveforms. • See page 44 for IC Block Diagrams. • See page 46 for IC Pin Function Description.
Note 1: When the SERVO board is defective,
exchange the complete mounted board.
Note 2: When the SENSOR board is defective, exchange
the MECHANICAL BLOCK (11CA) ASSY.
BOARD
2
MAIN
(1/5)
(2/5)
BOARD
5
MAIN
IC B/D
IC B/D
4
MAIN
7
(5/5)
BOARD
(3/5)
10
BOARD
MAIN
<1.5>
<1.5>
<1.5>
<3.3>
<3.3>
<3.3>
<0>
<3.3>
<0>
<0>
<0>
<0>
<0>
<0>
1.5
3.3
<3.3>
<3.3>
<0>
<0>
<0>
<0>
<0>
<1.3>
<1.5>
<1>
<0>
3.3
<1.5>
<1.5>
<1.5>
<1.5>
<1.5>
<1.5>
<1.5>
<1.7>
<1.7>
<1.7>
<1.7>
<1.9>
<1.5>
<1.7>
<1.7>
<0>
1.5
<1.5>
3.3
<2.1>
<1.5>
<1.5>
<1.5>
<1.5>
<1.7>
1.5
<3.3>
1.5
3.3
3.3
<1.5>
<1.5>
<1.5>
<1.5>
3.3
3.3
3.3
<1.5>
<1.5>
1.5
<1.4>
<1.5>
3.3
<1.5>
<0.5>
<2.5>
<1.5>
<1.5>
<3.3><1.8>
<2.7>
1.5
1.5
3.3
3.3
3.3
3.3
0.015
C772
TP720
DR_6V
0.1
C721
6.3V22C725
2200pC747
0.033
C718
TP743
TP734
0.1
C768
0
R763
JL727
VDD_3.3V
TP719
TP733
AU_IN_LCH
TP724
TP736
3300pC730
TP742
0
R749
330R719
DR_GND
330R720
22kR751
0.01
C759
2.2
C689
2200pC748
22kR750
0R716
TP740
15k
R743
D_GND
0.1
C720
TP785
330
R717
C757
1000p
0.1C782
0R746
1M
R722
TP695
330R718
0R714
TP738
1.5k
R723
2.7kR725
TC94A99FG-003 (SY, H
IC701
1
LPFO
2
PVREF
3
VCOF
4
RVSS3
5
VCOI
6
RVDD3
7
SLCO
8
RFI
9
RFRPI
10
RFEQO
11
DCOFC
12
AGCI
13
RFO
14
RVSS3
15
FNI2
16
FNI1
17
FPI2
18
FPI1
19
VDD1-1
20
TPI
21
TNI
22
VRO
23
AVSS3
24
MDI
25
LDO
26
FSMONIT
27
RFZI
28
RFRP
29
TEI
30
AVDD3
31
FOO
32
TRO
33
VSS-1
34
FMO
35
DMO
36
VDDM1
37
/SRAMSTB
38
VDD1-2
39
VDD3-1
40
PIO10
41
PIO11
42
PIO12
43
PIO13
44
PIO14
45
PIO15
46
PIO16
47
PIO17
48
PIO18
49
PiO19
50
PiO20
51
DVDD12
52
DAO1 (R_R-CH)
53
DVSS12
54
DAO2 (F_R-CH)
55
DVREF
56
DVDD34
57
DAO3 (F_L-CH)
58
DVSS34
59
DAO4 (R_L-CH)
60
DVDD5
61
DAO5 (SUB-CH)
62
DVSS5
63
VDD1-3
64
VSS-2
65
XVSS3
66
XI
67
XO
68
XVDD3
69
ADVDD3
70
ADIN1 (IN_L-CH)
71
ADVREFL
72
ADVCM
73
ADVREFH
74
ADIN2 (IN_R-CH)
75
ADVSS3
76
MS
77
CD_BUS0
78
CD_BUS1
79
CD_BUS2
80
CD_BUS3
81
CD_BUCK
82
CD_XCCE
83
VDD3-2
84
VSS-3
85
/RST
86
VDD1-4
87
DEC_INT
88
BSIF_INT
89
BSIF_GATE
90
BSIF_DATA
91
BSIF_BCK
92
BSIF_LRCK
93
DEC_XMUTE
94
ZDET
95
SP_DATA
96
SP_CLK
97
TEST
98
PDO
99
TMAX
100
LPFN
TP721
TP722
AU_RR_CH
2200p
C789
4V
47
C712
10kR727
0.1
C724
0.1
C767
2.2
C688
0.01C777
330R721
100R745
3300pC727
TP735
TP732
JL728
330k
R744
TP781
3300pC729
AU_RL_CH
TP741
TP761
0R748
1k
R710
470p
C715
3300pC726
0.1
C739
3300pC728
0.01
C779
TP737
2.7k
R724
0.1C783
10kR726
TP718
AU_SUB_CH
0
R693
1000p
C756
TP696
0R747
27p
C734
0.1
C787
0.1
C722
0.1
C735
0.1
C786
JL726
0.1
C717
JL729
A_GND
AU_IN_RCH
TP739
TP723
10
R711
3.3
R712
AU_FR_CH
AU_FL_CH
0.1C778
16.934MHz
X701
AU_GND
JL700
JL701
JL702
JL703
JL704
JL705
JL706
JL707
JL708
JL709
JL710
JL711
JL712
JL713
JL714
JL715
JL716
JL717
JL718
JL719
JL720
JL721
JL722
JL723
JL724
JL725
JL730
0
R765
C687
1
C690
1
1000p
C686
C732
1000p
35V4.7C750
35V4.7C751
35V4.7C752
35V4.7C753
FB724
FB782
0.047
C713
0.047
C714
0
R766
0.1
C792
0.1
C711
0.1
C760
0.1
C761
0.1
C776
28P
CN700
1SP
3SL
5 SELF
7DRV_ON
9LOAD
11 EJECT
13 L_SW
15 IN_SW
17 D_SW
19 BU_GND
21 DRV_GND
23 DRV_GND
25 DRV_6V
27 DRV_6V
14OP_GND
161/2VCC
18
OP_VCC
20
E
22
F
24A
26C
28B
OP_GND
2
4
TRACK
6FOCUS
8
DRV_VREF
10
LD
12
PD
100kR767
100
R741
1kR740
100R732
100R733
R736
100k
47p
C771
BU_3.3V
BU_GND
0.015C784
5600pC780
0.1C781
470p
C716
5600p
C719
1000pC788
0.1
C796
IC681
1
VIN
2
GND
3
STBY
4
NC
5
VOUT
IC682
1
VIN
2
GND
3
STBY
4
NC
5
VOUT
0
R715
2.2C737
2.2C738
2.2
C798
2.2
C797
2.2C754
0.1
C733
0
FB722
1
C703
1
C704
1
C702
1
C705
2SA2119K
Q710
2.2C742
2.2C744
2.2C746
47k
R742
0.1
C701
DEC_XMUTE
SP_CLK
SP_DATA
BSIF_GATE
CD_BUS2
CD_BUS3
CD_BUCK
CD_XCCE
CD_BUS1
D_SW
IN_SW
EJECT
LOAD
SELF
BSIF_BCK
ZDET
BSIF_DATA
CD_BUS0
SSTBY
DSP_1_5V
BSIF_LRCK
BSIF_INT
DEC_INT
DSP_RST
BU15TD3WG-TR
BU15TD3WG-TR
CD HEAD AMP,
IC701
IC681
IC682
(4/5)MAIN BOARD
BUS4
30
31
32
33
34
PICK-UP
BLOCK
(DAX-25A)
OPTICAL
SENSOR
(MG-101CA-188)
DECK BLOCK
BOARD
SERVO
BOARD
CD MECHANISM
AUDIO DSP
DIGITAL SERVO PROCESSOR,
I
6
H
1
C
12
K
135
F
82
B
D
G
11
L
10
E
J
9
A
437 14
AUDIO POWER
CONTROL
+1.5V REGULATOR
+1.5V REGULATOR
(Page 35)
(Page 37)
(Page 34)
(Page 33)
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