| OVER WRITE HEAD DRIVE |
V_REC B+ | IC601 (1/2) |
OPTICAL
IY | – |
VREF
OVER | OVER WRITE |
WRITE | HEAD DRIVE |
HEAD | Q604, 605 |
| RF AMP, FOCUS/TRACKING ERROR AMP |
| IC501 |
4VREF
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| 35 | NB | |
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| 33 | NA | |
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M603 |
| 41 | OUTA | |
| OUTB | |||
OVER WRITE | M | 38 | ||
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HEAD |
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UP/DOWN |
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EFM
PRE DRIVER
PRE DRIVER
SYSTEM CONTROL (1/2)
| EFM | 7 | |
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| CLK | 4 | |
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VRECIN2 | 37 | ||
VRECIN1 | |||
42 | |||
CHARGE | C1H | 28 | |
C1L |
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PUMP 1 | 27 | ||
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| C2H | 31 | |
VRECO
B+
CLK
•SIGNAL PATH
: PLAYBACK
D (Page 32)
+ |
IX |
– |
+ |
JX |
25 VREF |
SW RECON |
| OE | RI | FI |
1 | 2 | 3 | 5 | 6 |
CHARGE | C2L | |
PUMP 2 | ||
30 | ||
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: REC (ANALOG IN)
: REC (DIGITAL IN)
JX | JY | JX |
| – | |
| + | ||||
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| JY | ||
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| – | ||
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IX | IY | IX | A | + | |
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| B | + | |
A | B C | D | – | ||
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| C | – | |
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| + | |
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| D | – | |
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| + | |
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| MON | – | |
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| + | |
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| LD |
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S0 
S1
TRK+
| 8 | IY |
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| RF OUT | 33 | 37 | RFI |
| 9 | IX |
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| PEAK | |||
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| 10 | JY |
| PEAK | 29 | 44 | PEAK | |
| 11 | JX | RF AMP, | /BOTM | BOTM | 28 | 45 | BOTM |
| A | FOCUS |
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| 12 | ERROR, |
| ABCD |
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| B |
| 41 | 46 | ABCD | |||
| 14 | TRACKING |
| FE | ||||
| 5 | C | ERROR |
| 42 | 47 | FE | |
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| 6 | D |
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| TE | 1 | 56 | TE |
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| 13 | TPP/WPP |
| 44 |
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| ADFG | 21 | 74 | ADFG | |||
| 7 |
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| 18 | APC |
| 19 | 78 APCREF | |||
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| VC | 31 | 49 | VC |
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| 12 | VREF_MON |
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| OFTRK | 26 | 217 | OFTRK |
ID DRIVER | 20 |
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| XRST | 25 | 221 | XRF_RST | |
Q501 |
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| SERIAL |
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| INTERFACE |
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| SBUS | 23 | 160 | SSB DATA |
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| SCK | |||
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| 24 | 161 | SSB CLK | |
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| 43 | 9 | S MON | ||
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| 194 | PD S0 |
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| 195 | PD S1 |
TRK+ |
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| U |
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199 198 197 | 201 200 | |
MODE3 MODE2 MODE1 | CON 2 | CON1_ |
| HD | HD |
SYSTEM CONTROL,
DIGITAL SIGNAL PROCESSOR,
16M
IC801 (1/3)
|
|
| MOTOR DRIVER |
|
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| IC701 |
|
TRK+ | 30 | FO2 | TRACKING | FI2 28 |
TRK– | 32 | RO2 | COIL DRIVE | RI2 27 |
FCS+ | 13 | FO1 | FOCUS | FI1 15 |
FCS– | 11 | RO1 | COIL DRIVE | RI1 16 |
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| PWM2 44 |
|
| UO2 |
| UI2 |
105
EFMO
81 | TFDR |
80 | TRDR |
82 | FFDR |
83 | FRDR |
97 | SFDR |
233 | SLD MON |
DIN1 | 62 | DIN1 | A | (Page 31) |
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ADDT | 68 | ADDT | B | (Page 31) |
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| AOUTL | AOUTL, |
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AOUTL | AOUTR | C | (Page 31) | |
29 |
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AOUTR | AOUTR |
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30 |
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(TRACKING)
35 | 43 |
| CPUI2 |
96 SLDR |
SLCU 100
SLD_MON_U
25 | SLED | VI2 |
VO2 |
|
SLCV 101
SLD_MON_V
(FOCUS)
TRK–
FCS+
FCS–
TRK– |
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| V |
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| U |
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FCS+ |
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M602 | W | V | W |
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(SLED) |
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FCS– |
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| N | SLD MON U |
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| SLD MON V |
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| SLD MON W |
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| U |
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U
M601 W 
V (SPINDLE)
V
W
N
37 | CPVI2 |
| MOTOR |
| 42 |
24 |
| DRIVE | WI2 41 | ||
39 | WO2 |
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23 | CPWI2 |
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26 | COM2 |
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CPUO2 45 |
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| PWM1 55 | ||
CPVO2 46 | SLED VOLTAGE |
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CPWO2 47 | MONITER |
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8 | UO1 |
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| UI1 56 | |
18 | CPUI1 |
| SPINDLE | VI1 |
|
6 | VO1 |
| 1 | ||
| MOTOR | ||||
19 | CPVI1 |
| DRIVE |
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WO1 |
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| WI1 |
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4 |
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| 2 | ||
20 | CPWI1 |
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17 | COM1 |
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| SPINDLE |
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| VOLTAGE MONITOR | OE 48 | |||
| CPWO1 |
| BIAS | ||
| CPVO1 | CPUO1 |
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| 52 | 53 | 54 |
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| CLV MON W | CLV MON V | CLV MON U |
|
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| 98 | SLDV | |
| 99 | SLDW | |
SPINDLE | 166 | SPDL AUX PWM | |
SERVO | |||
DRIVE |
|
| |
SWITCH | 88 | SPFD/SPVS/PWM3 | |
IC802 | |||
|
| ||
| 223 | SPDL MON | |
| 87 | SPRD/SPDU/RTG3 | |
| 89 | SPDV/RTG1 | |
| 90 | SPDW/RTG2 | |
| 220 | XRST_MTR_DRV |
SLD_MON_W
SLCW 102
SPCU | 93 | CLV_MON_U |
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SPCV | 94 | CLV_MON_V |
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SPCW 95 | CLV_MON_W | |
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