Md Section - Sony HCD-MD333 - Hi Fi Cd/minidisc Component Service Manual

– MD SECTION –
• SIGNAL PATH
HR901
: PB (MD)
OVER WRITE
: REC HEAD
: digital out (CD)
OPTICAL PICK-UP BLOCK
(KMS-260A/J1N)
I
J
DETECTOR
F
C B
I J
D A
A
E
B
C
D
E
F
VC
VC
D101
LASER ON
PD
PD SW
Q101
LASER
DIODE
ILCC
LD
HF MOD
MODULE
IC103, Q102-104
TRACKING
COIL
FOCUS
COIL TRK–
10
TRK+
12
FSC+
21
FSC–
23
SLED+
M
27
M902
SLED–
SLED MOTOR
25
SPDL+
M
6
M901
SPDL–
SPINDLE MOTOR
8
09
OVER WRITE HEAD DRIVE
IC181 (2/4) IC181 (3/4)
4 9
6 8
5 10
OVER WRITE
HEAD DRIVE
Q181, 182 IC181 (1/4)
IC181 (4/4)
1
3
12
2 11
13
RF AMP
IC101
48 47 46 40
RF
RF AGC & EQ 38
I
1
RF AMP BPF P-P
J AUX
2 33
BOTM
36
PEAK &
PEAK
BOTTOM
37
A ABCD ABCD
4 35
AMP
B
5
IV AMP
C
6 FOCUS
FE
D
ERROR 34
7
E AMP
8
F IV AMP VC
9 31
AT
BPF 29
E-F AMP
ADFM
BALANCE
VCC ADIN
30
VC
ADFG
3
CVB 32
TEMPR
15
TE
TRACKING
26
ERROR SE
28
TEMPI
TEMP AMP
14
AMP
CSLED
27
PD
10 SWDT
SERIAL
16
SCLK
17
PARALLEL
VICONV
XLAT
18
DECODER
FOCNT
20
11 12 22 23 25
APC
Q162, 163
HF MODULE
SW
SLED/SPINDLE MOTOR DRIVE
FOCUS/TRACKING COIL DRIVE
IC152
TRDR
15
DRIVER
TFDR
14
FFDR
19
DRIVER
FRDR
18
SFDR
29
DRIVER
SRDR
30
SPRD
4
DRIVER
SPFD
3
XRST
16
PSB
– 35 –
DIGITAL SERVO SIGNAL PROCESSOR, DIGITAL SIGNAL PROCESSOR
EFM/ACIRC ENCODER/DECODER, SHOCK-PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER, 2M-BIT DRAM
IC121
15
EFMO
100
PCO
58
EFM,
FILI
59
ACIRC, RESISTANT
PLL
FILO
ENCODER/ MEMORY
60
CLTV
DECODER CONTROLLER
61
RFI
55
AUX1
66
BOTM
63
PEAK
62
ABCD
64
ANALOG
MUX
FE
65
VC
VC 67
VC
TE
74
SE
73
ADIP
ADFG
78 DEMODULATOR/ APC
DECODER
SPINDLE
SERVO
VC
DTRF
82
CKRF
81
XLRF
80
FOCNT
79
93 94 95 10 13 83 88
14
DIN
21
ADDT
23
SHOCK
ATRAC DIGITAL
ENCODER/ AUDIO
DECODER I/F
DADT
24
DOUT
22
FS256
27
XBCK
26
LRCK
CLOCK
25
GENERATOR OSCI
SAMPLING
16
RATE
OSCO
17
CONVERTER
SQSY
11
SUBCODE
DQSY
PROCESSOR 12
MNT3
4
MNT2
3
MONITOR
MNT1
CONTROL 2
MNT0
1
A/D
CONVERTER
SENS
9
SRDT
8
SCLK
CPU
6
I/F
SERVO SWDT
5
DSP
XLAT
7
3
AUTO
SEQUENCER
PWM XWE
45 3
20
GENERATOR
XRAS
44 4
XCAS
42 17
XOE
41 16
1
•
2
•
18
•
19
6
D0 –––––––– D3 A0 –––––––––– A9
ı
9
89 86 85 92 91 47 • 46 • 48 • 49 32–29 • 34–38 • 43
•
11
ı
15
•
5
SDA 5
EEP ROM
IC171 6
SCL
DETECT SW
S681 - 683,
S685 - 688
M903 (MD)
M
LOADING MOTOR
– 36 –
HCD-MD333
SCTX
XINT
BUFFER
IC401
7 1 DIN
ADDT
DADT
FS256
BCK
LRCK
X101
22 MHz
SQSY
DQSY
MNT3
MNT2
MNT1
MNT0
SENS
SRDT
SCLK
SWDT
XLAT
DRAM
D
IC124
MAIN
SECTION
XWE
(Page
XRAS
XCAS
37)
XOE
DQ1
|
|
|
|
DQ4
A0
|
|
| |
|
|
|
A9
LDON
WRPWR
MOD
SDA
SCL
LIMIT
REFLECT
PROTECT
CHUCK IN
PACK OUT
PB P
REC P
LOAD-IN
LOAD-OUT
XRST