Block Diagram - Md Servo Section (2/2) - Sony HCD-F3MD Service Manual

6-3. BLOCK DIAGRAM – MD SERVO Section (2/2) –
ADDT
BCK
LRCK
DADT
X201 512FS OSC
22MHz IC202 (2/2)
512FS
MD MECHANISM CONTROLLER
SCTX 72 SCTX
XINT 73 XINT
SQSY SQSY
27
D
DQSY 75 DQSY
MNT3 79 MNT3(S-LOCK)
MNT2 MNT2(X-BUSY)
80
BD (MD)
SECTION (1/2) MNT1 81 MNT1(SHOCK)
(Page 40) MNT0 82 MNT0(F-OK)
SENS SENS
78
SRDT 36 SRDT
SCLK 37 SCLK
SWDT SWDT
35
XLATCH XLATCH
66
LIMIT-IN 63 LIMIT-IN
LD ON 57 LDON
WRPWR 67 WR PWR
MOD 65 MOD
DIG-RST 77 DIG-RST
LOADING
2 10
54 LD-IN
M903 MOTER
M
(LOADING)
DRIVE
4 9 LD OUT
55
IC153
6
LOADING SW
56 LD-LOW
Q350
5 88 SDA
SDA
SCL SCL
6 87
EEPROM
IC171
05
A/D,D/A CONVERTER
IC201
18 DATAO VINL1 2
VINR1 4
R-CH
VOUTL 26
VOUTR
24 R-CH
BCK
16
17 WS
19 DATAI
L3MODE 13
L3CLK 14
12 SYSCLK L3DATA 15
IC316
L3-CLK 21
22
L3-DATA
L3-MODE 69
LEVEL-L 3
X OUT 13
X302
10MHz
X IN 15
I2C DATA
30
I2C CLK 29
S101
LIMIT IN 63
(LIMIT)
S102-1
REFLECT 58
(REFLECT RATE DETECT)
S102-2
PROTECT 59
(PROTECT DETECT)
S602
PACK-OUT 53
(PACK OUT)
S604
PB- P 60
(PB POSITION)
S601
REC-P 74
(REC POSITION)
P.DOWN 18
12
S.RST
1
IIC DRIVER
Q112
5
IIC DRIVER
Q111
CN102
TAPE CONTROL
• R-ch is omitted due to same L-ch.
• SIGNAL PATH
: MD PLAY
: MD REC (ANALOG)
41 41
MD REC-L
(AD IN L)
MD-L
(DATA OUT L)
MD LEVEL-L
E
I2C-SDA
MAIN SECTION
I2C-SLK
(Page 42)
SDA
SCK
P.DOWN
RESET
HCD-F3MD