7-2. BLOCK DIAGRAMS
– BD SECTION –
HCD-SD1
OPTICAL |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
| B+ |
| TRACKING/FOCUS SERVO, |
|
|
|
|
|
| |||
DETECTOR |
|
|
| RF AMP |
|
|
|
|
|
|
| |
K |
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
| IC101 (1/2) |
|
|
|
|
|
|
|
E |
|
|
|
|
|
|
|
|
|
|
|
|
| A | 1 |
|
|
|
|
|
|
|
|
|
|
| 4 | 35 | PD1 | RFO | 31 | 14 RF |
|
|
|
|
| |
|
|
|
|
|
|
| ||||||
A | D | 2 | 36 | PD2 | RFI | 30 |
|
|
|
|
|
|
| D | 5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
B | C | 10 | 38 | F | C.OUT | 23 | 55 CNIN |
|
|
|
|
|
| C | 6 | 39 | E | SENS | 24 | 54 SEIN |
|
|
|
|
|
|
|
|
|
|
|
| ||||||
| B |
| RV102 |
|
| RV101 |
|
|
|
|
|
|
|
|
|
|
| DATAO | XLTO | CLKO | MDP | FOK | XLON | ||
|
|
| GAIN |
|
| BIAS | ||||||
| F |
| FOCUS |
|
| FOCUS |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
| 2 | FEI | FE BIAS | 37 | 56 57 59 | 3 | 1 | 64 | ||
|
|
| +5V |
|
|
|
|
| ||||
|
|
| 1 | FEO | 6 |
|
|
|
|
|
| |
|
|
| 42 | TEO | 7 |
|
|
|
|
|
| |
|
|
|
|
| 12 |
|
|
|
|
|
| |
|
|
| 44 | TEI | TAO | 13 |
|
|
|
|
|
|
|
|
|
|
|
| RV103 |
| DATA | 21 |
| |
|
|
|
|
|
| TRACKING |
|
| |||
|
|
|
|
|
|
|
| XLT | 20 |
| |
|
|
|
|
|
| GAIN |
|
|
| ||
|
|
|
|
|
|
|
| CLK | 19 |
| |
PD |
| LD |
|
|
|
|
|
|
| ||
|
|
| LD DRIVE |
|
|
|
|
| |||
|
|
|
|
| 33 | LD | FOK | 25 |
| ||
|
|
|
|
| Q101, 102 |
| |||||
|
|
|
|
|
|
|
|
|
| ||
LASER |
|
|
|
|
|
| 34 | PHD | FGD | 4 | FOCUS SW |
|
|
|
|
|
| Q103 | |||||
DIODE |
|
|
|
|
|
|
| XRST |
|
| |
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
| 22 |
|
|
|
|
|
|
|
|
|
|
| 7 |
|
|
|
|
|
| FOCUS | TRACKING |
|
|
| XRST |
|
|
|
|
|
| COIL | COIL | T+ |
|
|
|
|
|
|
|
|
|
|
| 18 |
| TRACKING |
|
|
| |
|
|
|
|
|
|
|
|
| 19 | ||
|
|
|
|
|
| 17 |
| COIL DRIVE |
|
| |
|
|
|
|
| T– |
|
|
|
| ||
|
|
|
|
|
|
| TRACKING/FOCUS |
|
| ||
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
| COIL DRIVE |
|
| ||
|
|
|
|
|
|
| IC102 (1/2) |
|
|
| |
|
|
|
| DEVICE | F– |
|
|
|
|
| |
|
|
|
| 12 |
|
|
|
|
| ||
|
|
|
|
|
| FOCUS |
|
|
| ||
|
|
|
|
| F+ |
|
|
| 9 | ||
|
|
|
|
| 11 |
| COIL DRIVE |
|
| ||
|
|
|
|
|
|
|
|
|
| ||
|
|
| SLED/SPINDLE |
|
|
| SLED |
|
|
| |
|
|
| MOTOR DRIVE |
|
|
| SERVO |
|
|
| |
|
|
| IC102 (2/2) |
|
|
| IC101 (2/2) |
|
|
| |
M102 | M | 26 | SLED MOTOR | 25 |
| 16 | SLO | SL+ | 14 |
| |
• |
|
| |||||||||
SLED MOTOR |
| 27 |
| DRIVE |
|
|
|
|
|
|
|
DIGITAL SIGNAL PROCESSOR
IC103
SPOD | DATA XLAT CLOK | SCOR SQSO SQCK SENS |
63 | 51 52 53 | 43 46 47 49 |
S101
(LIMIT)
M904 (CD)
LOADING M
MOTOR
XRST 50
2
10 
34
XTAI
PCMD 21 LRCK 20 BCLK 22
D OUT
39
MOTOR
DRIVER
IC351
DRIVE
DRIVE
4 CKO
2 DATA
1 LRCK 
3 BCLK
5
6
X101
22.5792 MHz
5 • 6 |
| DIGITAL FILTER |
XTI • XTO |
| |
| D/A CONVERTER | |
|
| IC104 |
LOUT | 16 | CD LOUT A SECTIONMAIN |
ROUT | 13 | (Page 19) |
DATA MLAT CLOK |
|
|
26 28 27 |
|
|
D OUT | A | SECTIONMAIN |
| (Page 19) | |
CLK |
|
|
DATA |
|
|
XRST |
|
|
SCOR | A | SECTIONMAIN |
SENS | ||
SQCK | (Page 19) | |
SQSO | ||
DF LAT
XLAT
FOCUS SW
M101 | M | 1 | SPINDLE MOTOR | 4 |
SPINDLE | • | DRIVE | ||
MOTOR |
| 2 |
| |
|
|
|
|
09
•SIGNAL PATH
: CD
: Digital out
S291 
S292 
– 17 – | – 18 – |
