Diagrams; Block Diagram - Servo Section - Sony MDX-C5960R Service Manual

MDX-C5960R/C5970/C5970R
4-1. BLOCK DIAGRAM – SERVO Section –
I I
1
J J
2
F
B
C B
I J
D A
A
A
4
B
5
E C
6
DETECTOR D
7
C
D
E E
8
F F
9
LASER DIODE
AUTOMATIC
APC
ILCC
POWER
11
CONTROL
Q302
PD LD
PD
PD
10
OPTICAL PICK-UP
(KMS-241B/J1NP)
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC303
PSB 16
M901 6 OUT4F IN4R 3
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
05
SECTION 4

DIAGRAMS

RF AMP,
FOCUS/TRACKING ERROR AMP
IC302
48 47
RFO AGCI RF
RF AGC
RF AMP 46 40 38
& EQ
EQ
B.P.F. AUX
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
AMP 35
AMP
FOCUS FE
34
ERROR AMP
TE
26
I-V TRACKING
SE
AMP ERROR AMP
28
COMMAND
SERIAL/
LD/PD
PARALLEL
AMP
V-I CONVERTER,
CONVERTER
DECODER
12 20 16 17 18
+3.3V
PEAK HOLD ABCD
Q301
SPFD +3.3V
IC306
SPRD
13 66 75 64 65
RECP
APCREF
AUTOMATIC
83
POWER
CONTROL
SFDR ANALOG MUX
92
SRDR
91
A/D CONVERTER
DIGITAL
SERVO
SIGNAL
FROM CPU
PROCESS
FFDR
INTERFACE
88
FRDR
89
AUTO
SEQUENCER
TFDR
86
DIGITAL SERVO
TRDR
85 SIGNAL PROCESSOR
IC301 (2/2)
– 19 –
15
TX
EFMO
100
FILI
59
PCO
58
PLL
CLTV
61
FILO
60
ASYO
51
ASYI
52
COMPA-
RFI
RATOR
55
SUBCODE
ADIP PROCESSOR
78 DEMODULATOR/
DECODER
CPU
F0CNT SPINDLE
INTERFACE
79
SERVO
94 93 10 12 11 14 9 8
5 13 3 1
LEVEL SHIFT
IC502
6 12 4 2
59 62 55 54 52
74 73 62 63
31
EXTAL MD MECHANISM CONTROLLER
X501
10MHz
32 XTAL
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
IC301 (1/2)
ADDT
23
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M BIT D-RAM
SAMPLING
IC301 (1/2)
RATE
CONVERTER
DIN
DIGITAL
21
AUDIO DOUT
22
INTERFACE
DADT DADT, BCK, LRCK, FS256
24
26 25 27
D-RAM
OSCI
512FS OSC
16
CLOCK
IC304
OSCO
GENERATOR
17
INTERNAL BUS
MONITOR
CONTROL
5 6 7 1 2 3 4
XOE
41
XWE
45
XRAS
LEVEL SHIFT
44
IC503 XCAS
42
RESET
TH501
45 51 64 26 27 28 29 39 66
LOCK 21
IC501 (1/2)
A-MUTE
67
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.
– 20 –
• SIGNAL PATH
: MD PLAY
(Page 23)
A
X301
22.5792MHz
22 OE
3 WE
4 RAS
23 CAS
D-RAM
IC307
(Page 23)
RESET, EMPHASIS
B
LOCK
C
(Page 23)
MD-ATT
D
(Page 23)