Md Section - Sony HCD-M333 Service Manual

Q Q
– –

MD Section

3 7 6 3 1 5 1 5 0
OPTICAL PICK-UP BLOCK
(KMS-262E)
VCC
DETECTOR VC
I
J
F
C
B
C B
I J
D A
A
D
E
E
F
Q202,203
ILCC LD
DRIVE
LD
LASER
DIODE
T E
L 1 3 9 4 2 2 9 6 5 1 3
PD
Q201
PD LASER ON
SWITCH
LD
POWER
VR
Q701-704
MOD
HF HF MOD
MODULE SWITCH
F+
FOCUS
COIL
F-
T+
TRACKING
COIL
T-
w w w
.
IC181
Q181,182
HR901
OVER WRITE OVER WRITE
HEAD DRIVE
HEAD
IC101
RF AMP
1 I RF 38
J
2
6 C FE 34
5 B TE 26
SE
28
ABCD 35
AUX 33
4 A
PEAK
37
7 D
BOTM 36
E
8
ADFG 32
9 F
SWDT 16
11 APC SCLK
17
XLAT 18
FCONT
20
APC REF
12
10 PD
IC401
MOTOR/COIL DRIVE
12 OUT3F IN3F 14
10 OUT3R IN3R 15
OUT1F IN1F
21 19
23 OUT1R IN1R
18
27 OUT2F IN2F 29
M102
M
(SLED)
OUT2R IN2R
25 30
OUT4F IN4F
6 4
M101
M
(SPINDLE)
8 OUT4R IN4R
3
PSB 16
x a o
y
i
http://www.xiaoyu163.com
8
IC201
DIGITAL SERVO
DIGITAL SIGNAL PROC.
DATAI
27
LRCKI 28
115 EFMO XBCKI
29
FS256
36
17 XT
DOUT 26
DIN1 25
DIN0
24
SWDT
6
70 RFI
SCLK 7
XLAT 8
79 FE
86 TE SRDT 10
SENS
85 SE 11
78 ABCD XINT 16
80 AUX1 DQSY 14
PEAK SQSY
76 13
77 BOTM
MNT1
2
91 ADFG
MNT2 3
IC152
DRAM
99 DTRF
98 CLRF 43 3
. .
45 24
97 XLRF D0
. .
D3 44 25
. .
FCONT 42 2
94
Q Q
3 7 6 3
APCR 52
100
.
54
.
56 9
.
60 12
. . X722
59 15 32.768kHz
A00
.
55 19
A10
. .
53 21
. .
51 8
.
49
.
X721
48
. 10MHz
50
104 FFDR
XOE 38 22
105 FRDR XWE 37 4
XRAS 47 5
TFDR XCAS 46 23
103
102 TRDR IC803
OSC 5
20
108 SFDR
VCO
1
X804
107 SRDR
11.2896MHz 8
SPRD
109
RPWR
15
110 SPFD XRST
12
IC701
AMP
3 4
u 1 6 3
.
49 49
http://www.xiaoyu163.com
2 4
9 9 8
IC702 (1/2)
MD MASTER CONTROLLER
29 SWDT
31 SCLK
51 XLAT
30 SRDT
49 SENS
23 XINT
16 DQSY
SQSY
18
MNT1
55
54 MNT2
IC195
5
SDA 57
EEPROM
SCL 52 6
56 7
EEP-WP
1 5 1 5 0 8 9 2 4
S101
LIMIT-IN 45
8 XCIN (LIMIT IN)
S103
OUT-SW 53
9 XCOUT (OUT)
S104
PLAY-SW 50
(PLAY)
S105
13 XIN
REC-SW 47
(REC)
REFELECT 58
XOUT S102
11
(REFLECT/PROTECT)
PROTECT 59
IC781
MOTOR
DRIVE
IN1 OUT1
LOAD-IN 65 9
LOAD-OUT 64 10 IN2 OUT2
VC
6
Q781
LOAD-LO 63
SWITCH
48 D.RST
m
IC721
c o
87 IOP
Q721
43 LDON 1 RESET 3
S.RST 10
SWITCH
46 WRPWR
42 MOD
HCD-M333
2
9 9
DATAI
LRCKI
XBCKI
MCLK B USB
SECTION
DOUT
DIN1
DIN0
IC933
+3.3V
+3.3V 3 1 +5V
REG
IC926
+2.6V
+2.6V 3
1
REG
9 8 2 9 9
4
M103
M
(LOADING)
2
• Signal Path
: PB(MD)
: REC(MD)
: USB
BU +3.3V