Block Diagram -Md Section - Sony MDX-C6500X Service Manual

3-2. BLOCK DIAGRAM — MD SECTION —
I I
1
J J
2
F
B
C B
I J
D A
A
A
4
B
5
E C
AMP
6
DETECTOR D
7
C
D
E E
8
F
F
AMP
9
LASER DIODE
AUTOMATIC
APC
ILCC
POWER
11
CONTROL
Q302
PD LD
PD PD
10
OPTICAL PICK-UP
(KMS-241C/J1RP)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC303
PSB 16
6 OUT4F IN4R 3
M901
M
(SPINDLE)
8 OUT4R IN4F 4
M902 27 OUT2F IN2F 29
M
(SLED)
25 OUT2R IN2R 30
2-AXIS
DEVICE
FCS+
21 OUT1F IN1F 19
23 OUT1R IN1R 18
FCS–
TRK+
12 OUT3F IN3F 14
TRK–
10 OUT3R IN3R 15
04
RF AMP,
FOCUS/TRACKING ERROR AMP
IC302
48 47
RFO AGCI RF
RF AGC
RF AMP 46 40 38
& EQ
EQ
AUX
B.P.F.
33
WBL
3T
TEMP
PEAK
37
PEAK &
BOTM
BOTTOM
36
WBL
ADFM ADIN
ADFG
AT
B.P.F. 29 30 32
AMP
I-V
ABCD
ABCD
35
AMP
FE
FOCUS
34
ERROR AMP
TE
26
I-V TRACKING
SE
ERROR AMP
28
COMMAND
SERIAL/
LD/PD
PARALLEL
AMP
V-I
CONVERTER,
CONVERTER
DECODER
12 20 16 17 18
+3.3V
ABCD
PEAK HOLD
Q301
LEVEL SHIFT
SPFD
IC306 +3.3V
SPRD
13 66 75 64 65 74
RECP
APCREF
AUTOMATIC
83
POWER
CONTROL
SFDR ANALOG MUX
92
SRDR
91
A/D CONVERTER
DIGITAL
SERVO
SIGNAL
FROM CPU
PROCESS
FFDR
88 INTERFACE
FRDR
89
AUTO
SEQUENCER
TFDR
86
DIGITAL SERVO
TRDR
85
SIGNAL PROCESSOR
IC301 (2/2)
15
TX
EFMO
100
FILI
59
PCO
58
PLL
CLTV
61
FILO
60
ASYO
51
ASYI
52
COMPA-
RFI
RATOR
55
SUBCODE
PROCESSOR
ADIP
78 DEMODULATOR/
DECODER
CPU
F0CNT SPINDLE
INTERFACE
79
SERVO
94 93 10 12 11 14 9 8 5 6 7
5 13 3 1
LEVEL SHIFT
IC502
6 12 4 2
59 62 55 54 52 45 51 64
73 62 63
7 6
5 4
XLRF
80
LOADING RIN FIN
CKRF
81 MOTOR DRIVE
DTRF
IC305
82
OUT1 OUT2
ON: When the disc loading start
1 7 and the disc eject completion.
M903
(LOADING)
M
27 27
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
IC301 (1/2)
ATRAC ENCODER/DECODER, 2M BIT D-RAM
IC301 (1/2)
ADDT
23
SAMPLING
RATE
CONVERTER
IC101
5 DADT VOUTL 12
DIN
DIGITAL
21 6 BCK VOUTR 9 R-CH
AUDIO DOUT
22 4 15
LRCK RSTB
INTERFACE
1 XTI DM1 17
DADT
24
26 25 27
512FS
D-RAM
OSCI
16 BUFFER
CLOCK
OSCO
IC304
GENERATOR
17
INTERNAL BUS
MONITOR
CONTROL
1 2 3 4
XOE
41 22 OE
XWE
45 3
WE
XRAS
LEVEL SHIFT
44 4 RAS
IC503 XCAS
42 23 CAS
D-RAM
IC307
TH501
26 27 28 29 39 66
EXTAL
MD MECHANISM CONTROLLER
IC501 (1/2)
XTAL
63 11 56
(LIMIT)
LOADING START/
LOADING
ON: When the optical pick-up is
EJECT END
END
inner position.
ON: When completion of
the disc loading.
MDX-C6500X
• Signal path
: MD
TUNER
A
V OUT L
SECTION
(Page 28)
X301
22MHz
RST
EMPHASIS
31
X501
10MHz
32