Sony MDX-C6400R / MDX-C6500R / MDX-C6500RX Service Manual ▷ View online
MDX-C6400R/C6500R/C6500RX
33
33
4-16.
SCHEMATIC DIAGRAM – SUB Board –
(Page 30)
(Page 35)
MDX-C6400R/C6500R/C6500RX
34
34
4-17.
PRINTED WIRING BOARD – KEY Board –
•
See page 21 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC951
C-5
LED901
A-2
LED902
C-2
LED903
C-3
LED904
A-3
LED910
B-12
LED911
B-12
LED912
A-12
LED913
A-5
LED914
B-5
LED915
B-5
• Semiconductor
Location
Ref. No.
Location
D901
A-11
D902
B-10
D903
B-10
D904
B-10
D951
C-4
D952
B-6
IC901
B-8
(Page 32)
MDX-C6400R/C6500R/C6500RX
35
35
4-18.
SCHEMATIC DIAGRAM – KEY Board –
•
See page 31 for Waveform.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
(Page
33)
MDX-C6400R/C6500R/C6500RX
36
36
• IC Block Diagrams
– SERVO Board –
– SERVO Board –
IC101
PCM1718E/2K
INPUT
INTERFACE
DIGITAL
FILTER
5 LEVEL
DAC
LOWPASS
FILTER
CMOS
AMP
1
XTI
2
DGND
3
VDD
4
LRCIN
5
DIN
6
BCKIN
7
ZERO
8
D/C_R
9
VOUTR
10
AGND
NOISE SHAPER
5 LEVEL
DAC
LOWPASS
FILTER
CMOS
AMP
CLK
CONTROL
MODE
CONTROL
20 XTO
19 CLKO
18 MUTE
17 DM1
16 DM0
15 RSTB
14 FORMAT
13 D/C_L
12 VOUTL
11 VCC
IC301
CXD2652AR
100 99 98 97 96 95
94 93
EFMO
DVSS
TEST3
TEST2
TEST1
FGIN
SPFD
SPRD
92
SFDR
91
SRDR
90
FS4
89
FRDR
88
FFDR
87
DVDD
86
TFDR
85
TRDR
84
LDDR
83
APCREF
82
DTRF
81
CKRF
80
XLRF
79
F0CNT
78
ADFG
77
APC
76
DCHG
75 AUX2
74 TE
73 SE
72 AVSS
71 ADRB
70 ADRT
69 AVDD
68 ADIO
61 CLTV
60 FILO
59 FILI
58 PCO
57 PDO
55 RFI
56 AVSS
54 BIAS
53 AVDD
52 ASYI
51 ASYO
67 VC
66 AUX1
65 FE
64 ABCD
63 BOTM
62 PEAK
50
MVCI
49
D3
48
D2
47
D0
46
D1
45
XWE
44
XRAS
43
A09
42
XCAS
41
XOE
40
DVSS
39
A11
38
A08
37
A07
36
A06
35
A05
34
A04
33
A10
32
A00
31
A01
30
A02
29
A03
28
DVDD
26
XBCK
27
FS256
25
LRCK
24
DADT
23
ADDT
22
DOUT
21
DIN
20
DVSS
19
NC
18
XTSL
17
OSCO
16
OSCI
15
TX
14
XINT
13
RECP
12
DQSY
11
SQSY
10
XRST
9
SENS
8
SRDT
7
XLAT
6
SCLK
5
SWDT
4
MNT3
3
MNT2
2
MNT1
1
MNT0
PWM
GENERATOR
AUTO
SEQUENCER
SERVO
DSP
CPU I/F
MONITOR
CONTROL
CONTROL
SPINDLE
SERVO
EACH
BLOCK
BLOCK
EACH
BLOCK
BLOCK
DIGITAL
AUDIO
I/F
SAMPLING
RATE
CONVERTER
CLOCK
GENERATOR
SUBCODE
PROCESSOR
EACH
BLOCK
BLOCK
A/D
CONVERTER
ANALOG
MUX
EFM/ACIRC
ENCODER/
DECODER
PLL
SHOCK RESISTANT
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
ADIP
DECODER
COMP
ADDRESS/DATA BUS A00 - A11, D0 - D3
IC302
CXA2523AR
–1
–2
+
–
IVR
BB
+
–
IVR
AA
+
–
IVR
CC
+
–
IVR
DD
+
–
IVR
+
–
EE
EE'
EFB
TESW
PTGR
48
MORFO
47
MORFI
46
RFO
45
OPN
44
OPO
43
ADDC
42
COMPP
41
COMPO
40
AGCI
39
RF AGC
38
RF
37
PEAK
36 BOTM
35 ABCD
34 FE
33 AUX
32 ADFG
31 ADAGC
30 ADIN
29 ADFM
28 SE
27 CSLED
26 TE
25 WBLADJ
24
VCC
23
3TADJ
22
EQADJ
21
VREF
20
F0CNT
19
XSTBY
18
XLAT
17
SCLK
16
SWDT
15
TEMPR
14
TEMPI
13
GND
12
APCREF
11
APC
10
PD
9
F
8
E
7
D
6
C
5
B
4
A
3
VC
VI CONV
BGR
VREF
SCRI - PARA
DECODE
+ –
–
+
AUXSW
COMMAND
+
–
IVR
GSW
+
–
FF
FBAL
FF'
TG
SEA
–
+
–
+
–1
–2
TG
TEA
WBL
3T
EQ
–
–
+
+
+
+
–
–
–
–
–
–
DET
ADIP
AGC
WBL
BPF22
BPFC
ABCDA
FEA
WBL
ATA
–
+
CVB
+
–
RFA1
–
–
–
–
1
2
–
–
–
–
–
1
2
2
GRVA
OFST
RFA2
GRV
HLPT
PTGR
–2
–1
–1
–2
BOTTOM
PEAK
RF AGC
EQ
EQ
DET
P-P
WBL
3T
WBL
TEMP
PBH
–
+
USROP
+
–
USRC
3T
BPF3T
PEAK3T
1
I
2
J
RFA3
PBSW
AUX
SW
IV
ESW
EBAL
Click on the first or last page to see other MDX-C6400R / MDX-C6500R / MDX-C6500RX service manuals if exist.