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MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
5-10. SCHEMATIC DIAGRAM - MAIN Section (3/4) -
A
B
C
D
E
F
SENSOR
G
H
I
J
K
L
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
1
2
3
4
MAIN BOARD (3/4)
R715
JL720
0
C715
C716
C713
470p
470p
0.047
R714
0
SERVO
BOARD
BOARD
CD MECHANISM
DECK BLOCK
(MG-101CA-188)
CN700
28P
R765
0
C701
0.1
Note 1: When SERVO board is defective,
exchange the complete mounted
board.
• See page 38 for waveforms. • See page 40 for IC Pin Function Description.
5
6
7
8
JL728
C717
C782
0.1
0.1
FB782
R750
22k
R712
3.3
C711
C712
0.1
47
JL727
4V
R711
10
R710
JL726
1k
R751
22k
C786
0.1
(3.3)
(2.7)
C721
0.1
Q710
2SA1365-T112-1EF
(1.8)
25
24
23
22
21
20
AUTO POWER
CONTROL
C768
0.1
C718
TP718
26 FSMONIT
0.033
(1.5)
C733
27 RFZI
0.1
(2.1)
C719
28 RFRP
5600p
TP719
(1.5)
29 TEI
(3.1)
C714
30 AVDD3
0.047
(1.5)
31 FOO
(1.5)
32 TRO
33 VSS-1
(1.5)
34 FMO
(1.7)
35 DMO
(1.5)
36 VDDM1
(3.3)
C720
37 /SRAMSTB
0.1
(1.5)
38 VDD1-2
(3.1)
39 VDD3-1
C722
TP720
40 PIO10
0.1
TP721
41 PIO11
TP722
42 PIO12
C767
0.1
TP723
43 PIO13
PIO17
TP724
44 PIO14
PIO18
C792
45 PIO15
0.1
PIO19
46 PIO16
PIO20
47
48
49
50
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
R764
0
C732
C724
R716
1000p
0.1
0
R722
C725
R723
R717
R718
R719
1M
22
1.5k
330
330
330
6.3V
C726
3300p
C727
3300p
X701
C728
3300p
16.934MHz
C729
3300p
C730
3300p
C734
27p
C735
0.1
Note 2: When SENSOR board is defective, exchange the ME-
CHANICAL BLOCK (U) ASSY 08 (Former type) or
MECHANICAL BLOCK (11CA) ASSY (New type).
34
34
9
10
11
C771
R742
47p
47k
C787
C776
0.1
0.1
JL730
C779
C789
0.01
2200p
C772
R743
0.015
15k
R744
330k
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
(1.5)
LPFN
100
(1.5)
TMAX
99
(1.5)
PDO
98
TEST
97
TP743
(3.3)
SP_CLK
96
TP742
(2.6)
SP_DATA
95
TP741
(0)
ZDET
94
TP740
(3.3)
DEC_XMUTE
93
(0)
BSIF_LRCK
92
(0)
BSIF_BCK
91
IC701
(0)
BSIF_DATA
90
TP739
(0)
CD HEAD AMP,
BSIF_GATE
89
TP738
DIGITAL SERVO PROCESSOR,
(0)
AUDIO DSP
BSIF_REQ
88
(0)
TP737
IC701
DEC_REQ
87
TC94A99FG-003 (SY)
(1.5)
VDD1-4
86
(3.3)
TP736
/RST
85
VSS-3
84
(3.1)
VDD3-2
83
TP735
(2.9)
/CCE
82
TP734
(3.1)
SCL
81
(0)
TP733
Si
80
TP732
(0)
So
79
(3.1)
R736
100k
BUS1
78
R729
100k
(0)
BUS0
77
(0)
MS
76
R728
TP761
C737
2.2
C738
C739
2.2
0.1
C741
150p
C742
2.2
C743
150p
C744
2.2
R720
R721
330
330
C745
150p
3
C750
C746
2.2
FB717
0
FB718
0
C751
4.7
35V
FB719
0
C752
4.7
35V
FB720
0
C753
4.7
35V
FB721
0
C754
2.2
R726
10k
C747
2200p
R727
10k
FB751
FB750
C748
2200p
0
0
R725
2.7k
FB724
R724
2.7k
R763
0
C761
C759
C764
C756
0.1
0.01
1000p
1000p
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 8.
12
13
14
R741
100
SA_CLK
R740
1k
SA_DATA
R739
1k
CD_ZDET
R614
10k
DEC_XMUTE
R615
1k
DEC_LRCK
R616
1k
DEC_BCK
R617
1k
DEC_DATA
R621
100
DEC_GATE
R738
1k
DEC_REQ
R737
1k
DEC_INT
CD_XRST
R618
1k
CD_SO
CD_XCCE
R620
1k
CD_SCLK
R733
0
R732
0
CD_SI
R619
1k
100k
R730
R731
C766
100k
100k
0.01
1
A_GND
C760
DR_GND
0.1
MAIN
BOARD
AU_GND
(1/4)
(Page 32)
FB760
0
R761
4.7
0
35V
AU_RR_CH
AU_FR_CH
4
AU_FL_CH
AU_RL_CH
MAIN
BOARD
AU_SUB_CH
(1/4)
AU_IN_RCH
(Page
AU_IN_LCH
32)
19
20
21
22
8
23
24
MAIN
25
BOARD
(4/4)
(Page 35)
26
27
28
R766
0
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