Service manual

4141
HCD-F3MD
27
73
72
17
16
18
12
19
4
2
26
14
13
24
15
80
79
75
78
82
81
35
37
36
63
66
57
54
65
67
88
56
55
77
87
69
22
21
15
13
12
18
ADDT
BCK
LRCK
DADT
512FS
SCTX
XINT
SQSY
DQSY
MNT3
MNT2
MNT1
MNT0
SENS
SRDT
SCLK
SWDT
XLATCH
LIMIT-IN
LD ON
WRPWR
MOD
DIG-RST
SCTX
L3-CLK
L3-DATA
L3-MODE
X OUT
LEVEL-L
3
X IN
S.RST
P.DOWN
XINT
SQSY
DQSY
MNT3(S-LOCK)
MNT2(X-BUSY)
MNT1(SHOCK)
MNT0(F-OK)
SENS
SRDT
SCLK
SWDT
XLATCH
LIMIT-IN
LDON
WR PWR
MOD
LD-IN
LD OUT
SDA
SCL
DIG-RST
LD-LOW
10
9
2
4
6
X302
10MHz
LOADING SW
Q350
A/D,D/A CONVERTER
IC201
MD MECHANISM CONTROLLER
IC316
DATAO VINL1
VINR1
R-CH
R-CH
VOUTL
VOUTR
L3MODE
L3CLK
L3DATA
BCK
WS
DATAI
SYSCLK
BD (MD)
SECTION (1/2)
(Page 40)
LOADING
MOTER
DRIVE
IC153
05
D
MD REC-L
(AD IN L)
MD-L
(DATA OUT L)
MD LEVEL-L
RESET
MAIN SECTION
(Page 42)
E
512FS OSC
IC202 (2/2)
X201
22MHz
M
M903
(LOADING)
6
5
SDA
SCL
EEPROM
IC171
29
I2C CLK
30
I2C DATA
63
58
59
53
60
74
LIMIT IN
REFLECT
PROTECT
PACK-OUT
PB- P
REC-P
I2C-SLK
I2C-SDA
S101
(LIMIT)
S102-1
(REFLECT RATE DETECT)
S102-2
(PROTECT DETECT)
S602
(PACK OUT)
S604
(PB POSITION)
S601
(REC POSITION)
P.DOWN
IIC DRIVER
Q111
IIC DRIVER
Q112
1
5
SDA
SCK
CN102
TAPE CONTROL
• R-ch is omitted due to same L-ch.
• SIGNAL PATH
: MD PLAY
: MD REC (ANALOG)
6-3. BLOCK DIAGRAM – MD SERVO Section (2/2) –