Sony MDX-C6400R / MDX-C6500R / MDX-C6500RX Service Manual ▷ View online
MDX-C6400R/C6500R/C6500RX
17
17
SECTION 4
DIAGRAMS
4-1.
BLOCK DIAGRAM – SERVO Section –
F
C
B
D
A
E
I
J
J
I
B
A
C
D
D
E
F
DETECTOR
1
2
J
I
4
5
6
7
A
B
C
D
D
8
9
E
F
LD
PD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP BLOCK
(KMS-241C)
AUTOMATIC
POWER
CONTROL
Q302
11
10
APC
PD
LD/PD
AMP
12
APCREF
I-V
AMP
I-V
AMP
AT
AMP
B.P.F.
29
30
WBL
ADFM
ADIN
32
ADFG
ABCD
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
35
34
26
28
ABCD
FE
TE
SE
V-I
CONVERTER
20
F0CNT
WBL
3T
EQ
+3.3V
SERIAL/
PARALLEL
CONVERTER,
DECODER
COMMAND
17
16
18
SWDT
SCLK
XLAT
RF AMP
B.P.F.
46
RFO
40
RF AGC
& EQ
AGCI
EQ
38
RF
RF AMP,
FOCUS/TRACKING ERROR AMP
IC302
TEMP
48 47
MORFO
MORFI
3T
PEAK &
BOTTOM
WBL
33
AUX
73 62
37
PEAK
36
BOTM
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC303
6
8
OUT4F
OUT4R
M
M901
(SPINDLE)
27
25
OUT2F
OUT2R
M
M902
(SLED)
21
23
OUT1F
OUT1R
12
10
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
3
4
IN4R
IN4F
29
30
IN2F
IN2R
19
18
IN1F
IN1R
14
15
IN3F
IN3R
SPFD
SPRD
IC306
92
91
88
89
86
85
83
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TRDR
16
PSB
PWM GENERATOR
AUTOMATIC
POWER
CONTROL
DIGITAL
SERVO
SIGNAL
PROCESS
74
65
64
75
66
63
ANALOG MUX
A/D CONVERTER
AUTO
SEQUENCER
13
FROM CPU
INTERFACE
DIGITAL SERVO
SIGNAL PROCESSOR
IC301 (2/2)
RECP
PEAK HOLD
Q301
+3.3V
ABCD
AUX1
AUX2
ABCD
FE
TE
SE
PEAK
BOTM
81
80
82
XLRF
CKRF
DTRF
EFM/ACIRC
ENCODER/DECODER
SHOCK PROOF
MEMORY CONTROLLER
ATRAC
ENCODER/DECODER
PLL
FILTER
59
58
61
60
FILI
PCO
CLTV
FILO
100
EFMO
23
ADDT
IC301 (1/2)
15
TX
COMPA-
RATOR
51
52
55
ASYO
ASYI
RFI
ADIP
DEMODULATOR/
DECODER
78
ADFG
SPINDLE
SERVO
79
F0CNT
94 93
SPFD
SPRD
SUBCODE
PROCESSOR
24
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
22
21
DIN
DOUT
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M BIT D-RAM
IC301 (1/2)
DADT
INTERNAL BUS
D-RAM
CLOCK
GENERATOR
25
26
27
512FS OSC
IC304
XBCK
LRCK
FS256
BCK
LRCK
FS256
X301
22.5792MHz
22.5792MHz
16
OSCI
17
OSCO
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
10
XRST
12
DQSY
11
SQSY
14
XINT
9 8
5 6 7
SENS
SRDT
SWDT
SCLK
XLAT
LEVEL SHIFT
IC502
5
13
3 1
6
12
4 2
LEVEL SHIFT
IC503
1
2
3
4
MNT0
MNT1
MNT2
MNT3
13
1
3
5
12
2
4
6
FOK
SHOCK
XBUSY
SLOCK
SWDT
SCLK
XLAT
59
62
55
54 52
45 51 64
26 27 28 29
MNT0
MNT1
MNT2
MNT3
67
A-MUTE
21
LOCK
39
TEMP
MD-RST
SQSY
CC-XINT
SENS
MD-SI
MD-SO
MD-CKO
MD-LAT
7
6
EJECT
LOAD
5
4
05
1
7
M
RIN
FIN
OUT1 OUT2
LOADING
MOTOR DRIVE
IC305
M903
(LOADING)
63
C-SW
LOADING START/
EJECT END
EJECT END
E-SW
LIMIT-IN
(LIMIT)
LOADING
END
END
ON: When the disc loading start
and the disc eject completion.
ON: When completion of
the disc loading.
ON: When the optical pick-up is
inner position.
31
32
EXTAL
XTAL
X501
10MHz
TH501
66
DEEMP
47, 46, 48, 49
1, 2, 24, 25
D0 – D3
32 – 29, 34 – 38, 43
9 – 12, 14 – 18, 5
A0 – A9
D0 – D3
A00 – A09
41
22
45
3
44
4
42
23
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
D-RAM
IC307
(Page 19)
A
DADT, BCK, LRCK, FS256
(Page 19)
C
LOCK
MD-ATT
(Page 19)
D
(Page 19)
B
EMPHASIS
MD MECHANISM CONTROLLER
IC501 (1/2)
• SIGNAL PATH
: MD PLAY
11
56
RESET, EMPHASIS
RESET
MDX-C6400R/C6500R/C6500RX
18
18
4-2.
BLOCK DIAGRAM – TUNER Section –
1
2
ANT-FM
ANT-AM
53
VSM
56
TUNATT
14
S-METER
10
MPX
8
AM-DET
9
RDS-DET
05
MUTING
Q111
MUTING
CONTROL SWITCH
Q131
MUTING
Q121
D131
FM/AM TUNER UNIT
TU1
MASTER CONTROLLER
IC501 (1/3)
17
SDA (E2PROM)
J1
(FM/AM ANTENNA)
5
VCC (8.5V)
TUNER +8.7V
16
VDD (5V)
TUNER +5.6V
11
VDD E2P (5V)
9
52
MPTH
64
DAVN
RDS DECODER
IC51
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
OSCILLATOR
& CLOCK
X51
4.332MHz
4
8
5
OSCI
OSCO
SDA
SCL
DAVN
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
RDS/RDBS
DEMODULATOR
& DECODER
SIGNAL
QUALITY
DECODER
16
18
19
MPX
CIN
4
5
SC
OUT
MULTI
PATH
DETECTOR
20
2
LVIN
MPTH
50
QUALITY
32
NS MASK
BAND-PASS
FILTER
IC90
Q90
NOISE DET
DISCHARGE
SWITCH
DATA
CLOCK
DATA, CLOCK
(Page 19)
MPX
(Page 19)
E
AM
(Page 19)
F
S-METER
(Page 19)
H
BU B+
E2P SIO
• SIGNAL PATH
: FM
: MW/LW
18
SCL (E2PROM)
10
E2P CKO
SDA (12CBUS)
SCL (12CBUS)
4
FM-AGC
51
FMAGC
BUFFER
Q1
DATA
12 13
IF-AM
19
CLOCK
9
I
IF-AM
(Page 19)
G
10
MDX-C6400R/C6500R/C6500RX
19
19
4-3.
BLOCK DIAGRAM – MAIN Section –
12
9
5
DATA
DADT
VOUTL
VOUTR
DADT,
BCK,
LRCK,
FS256
BCK,
LRCK,
FS256
6
BCK
BCK
LRCK
R-CH
R-CH
1
XTI
15
17
16
RSTB
DM1
DM0
LRCK
FS256
EMPHASIS
AM
IF-AM
MPX
DATA, CLOCK
S-METER
LOCK
30
29
1
11
20
3
SEL
FD1L
AM
12
AMIF
13
MPX
DATA
CLOCK
R-CH
A
B
F
CLK
CONTROL
SOFT
MUTE
TONE
CONTROL
LOUDNESS/
VOLUME
INPUT SELECT,
ELECTRICAL VOLUME, FM MPX
IC151
PILOT
CANCELATION
DIGITAL
CONTROL
L.P.F.
PLL
BUS
AUDIO IN
CNJ151 (1/2)
(L)
(R)
AUDIO OUT
FRONT
AUDIO OUT
REAR
CNJ151 (2/2)
(L)
(R)
(L)
(R)
IIC BUS
SDA
SCL
SM
PILOT
DET
+STEREO ADJUST
+STEREO BLEND
+STEREO BLEND
L.P.F.
S & H
HIGH-CUT
D/A
CONVERTER
MUTING
Q281
(Page 17)
(Page 17)
(Page 18)
G
(Page 18)
E
(Page 18)
(Page 18)
(Page 18)
(Page 17)
(Page 17)
MD-ATT
MODE
CONTROL
ROTARY
ENCODER
RE901
D501
D653
J501
REMOTE IN
U-COM +5V
SW504
(NOSE DETECT)
CN500
MAIN BODY SIDE
14
1
CN901
FRONT PANEL SIDE
OSC
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC901
LCD901
LIQUID CRYSTAL DISPLAY
DI
CL
SE
C953, R957
LSW810,
LSW901 – 917,
S901 – 904
DIGITAL FILTER,
D/A CONVERTER
IC101
INPUT
INTERFACE
DIGITAL
FILTER
NOISE
SHAPER
D/A
COMVERTER
4
DEMODULATOR
21
70
71
18
LEVEL
14
57
(C6500R, C6500RX)
(C6500R, C6500RX)
MUTING
Q181
MUTING
Q271
MUTING
Q171
62
63
BATTERY OFF
MUTE DRIVER
Q621
(C6500R, C6500RX)
BACK-UP B+
D622
D502
D302
X501
3.68MHz
X502
32.768kHz
RESET
RESET,
EMPHASIS
EMPHASIS
I
H
C
INPUT
MULTIPLEXER
LOUDNESS
MUTE
MONO
FADER
MIXER
OUTLF
OUTLR
R-CH
OUTPUT
SELECTOR
AM/FM
NOISE
BLANKER
R-CH
D621
AUDIO OUT
(C6400R)
FL-IN
FL+
1
CN601 (1/2)
(POWER CONNECTOR)
POWER AMP
IC611
FRONT L (+)
FR-IN
RL-IN
RR-IN
AUX IN
16
15
11
14
12
22
4
FL–
9
FRONT L (–)
FR+
4
FRONT R (+)
FR–
12
FRONT R (–)
RL+
2
REAR L (+)
RL–
10
REAR L (–)
RR+
3
REAR R (+)
RR–
11
15
13
REAR R (–)
MUTE
TEST
TEL-ATT
STNBY
BEEP
AMPATT
AMPON
5
3
21
9
7
17
19
23
RCIN1
KEYIN0
KEYIN1
LOCKIN
I2C SIO
I2C CKO
REIN0
REIN1
KEYACK
LCDSO
LCDCKO
LCDCE
X1
X0
X1A
X0A
ATT
TELATT
RCIN0
16
60
59
48
46
47
36
37
76
67
85
12
58
74
73
92
93
15
14
13
35
79
81
AD-ON
NOSESW
DOORSW
TEST IN
84
VOLATT
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
D571
OSC
64
60
4 – 51
S04 – S51
COM1 – COM4
52 – 55
MUTING
CONTROL SWITCH
Q622
LEVEL SHIFT
Q571
D
KEY ACTIVE
SWITCH
Q651, 652
MASTER CONTROLLER
IC501 (2/3)
: MD PLAY
: FM
: MW/LW
: BUS AUDIO IN
05
• SIGNAL PATH
MDX-C6400R/C6500R/C6500RX
20
20
4-4.
BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
BU B+
RESET SIGNAL
GENERATOR
IC652
SIRCS BUFFER
Q704
REMOTE CONTROL
RECEIVER
IC951
BATTERY
DETECT
Q701
ACCESSORY CHECK
Q661
LEVEL SHIFT
Q706
6
8
4
CLK
ANT+B
TU8.7V
AMP+B
REGULATOR
IC671
COM8V
TU5.6V
5.6VON SW
8.7VON SW
STB
CLK IN
DATA OUT
DATA
2
RST
RESET
SWITCH
BUS ON
SWITCH
13
11
1
BUS ON
OUT
OUT
BUS
ON IN
12
9
DATA IN
SONY BUS INTERFACE
IC701
MASTER CONTROLLER
IC501 (3/3)
MD MECHANISM CONTROLLER
IC501 (2/2)
BUS ON SWITCH
Q705
BATT
BACK-UP B+
BUS ON
DATA
CLK
RESET
7
6
5
4
2
SIRCS
3
16
+B
ANT-R
AMP-R
6
5
CN701
BUS CONTROL IN
(FOR SONY BUS)
CN601 (2/2)
(POWER CONNECTOR)
REGULATOR
CONTROL SWITCH
Q633
FU601
COM +8V
(AUDIO CIRCUIT B+)
05
RST
3
BATT
BATTERY
SWITCH
10
BU IN
UNISI
50 UNISO
UNICKIO
MDMON 10
77
3
19 UNICKO
17 UNISI
18 UNISO
86 HSTX
11
24 SIRCS
90
65
MD-ON
D301
D708
TH701
D702
D701
D662
LED810,
LSW810
LSW810
LED810
(MD DISC SLOT)
VCC
TUNER +5.6V
RDS DECODER
(IC51) B+
TUNER +8.7V
VCC
7
7
ACC
REGULATOR
Q631
+12V
REGULATOR
Q361
+3.3V
REGULATOR
IC401, Q401
+5V
REGULATOR
Q362
B+ SWITCH
Q402, 403
+3.3V
D674
D673
BU B+
2
3
4
9
BU+B
5
10
11
8
6
TUNON
ILLON
82
7
1
PW ON 120
RSTX
SYSRST
20 UNICKI
BU-IN
BUS-ON
RESET
LINKOFF
BUIN
BUSON
ACC IN
29
DOORIND
48
61
60
30
49
46
DRIVER +5V
MOTOR/COIL DRIVER
(IC303) B+
LO- +12V
LOADING MOTOR
DRIVER (IC305) B+
REGULATOR
Q551
LCD B+
LCD DRIVER
(IC901) B+
REGULATOR
CONTROL SWITCH
Q363
REGULATOR
CONTROL SWITCH
Q250
BACK-UP B+
POWER AMP
(IC611) B+
SW503
RESET
D1
D2
PULL UP +5V
D676
U-COM +5V
D677
LED901-904,
LED910-915,
LSW901-917
LED910-915,
LSW901-917
LSW810
Z
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