Block Diagram; Motor Driver - Sharp CD-DVD500 Service Manual

CD-DVD500
1
FO+
2
TR–
3
TR+
FO– 4
+B9
5
6
7
LD
8
PD
9
10
VA
– +
11
VB
12
–
+
VC 13
–
+
14
VD
–
15
+
16
Vref
Vcc
GND
HOLOGRAM
LASER UNIT
(DVD)
GND Vcc 17
OSC
18
19
+B9
Vcc 20
21
VA
– +
22
VB
23
+ –
24
VC
–
+
25
VE
– 26
+
VF 27
–
+
28
Vref
29
GND
30
LD
PD
HOLOGRAM
LASER UNIT
(CD)
M
M1
SPINDLE
MOTOR
SW4
PICKUP IN
M
M2
SLED
MOTOR
SW2
OPEN/CLOSE
SW2
CAM
SW3
DISC NOMBR
M
M3
T/T UP DOWN
LOADING
MOTOR
CP3202
LD_FWD
LD_RVS
DVD_FUNC
CAM_SW
DISC1_SW
5
UART_RX
TO DISPLAY
UNIT
6
DVD_BUSY
8
DVD_DI
7
DVD_DO
9
DVD_CLK
4
DVD_STB
3
D_GND
RF SIGNAL PROCESSOR
TR+
51
FO+
LDOI LDP1
46
Q3303
TR-
CD_LD
MDI1
45 APCI
FO-
P1DI
52
P1CI
53
P1BI
54
P1AI
55
P2AI
58
P2BI
59
P2CI
60
F-GAIN
P2DI ADJUST
61
P2FP
63
P2FN
64
P2TP
2
P2TN
3
PITP
47
48 PITP
T-GAIN
ADJUST
42 VrA
22 DFTN
SCB
13
SCL
14
BUS
DVD_LD
SCD
15
APC2
VDD
LDO2
1,39,56,62
8 4
Q3302
FLGA
Q3301
IC3705
NJM2904M
OPE AMP.
2
– 1
+
3
5
+
7
–
6
14
SLN
13
SLP
12
SPN
11
SPP
17
FON
18
FOP
15
TRN
16
TRP
8
BA5984FP
+B8
VCC

MOTOR DRIVER

9
OUTR
LDN
10
OUTL
LDP
19,29,30
GND
+B10
C3207
Figure 22 BLOCK DIAGRAM (1/4)
IC3301
TA1323F
+B9
18,23,31,36
RF RIPPLE
CREATION
R-GAIN
ADJUST
EQ
DPDTE
CREATION
FE FE-GAIN
CREATION ADJUST
3BTE
TE-GAIN
CREATION ADJUST
LEVEL
DETECT
TIME
CONSTANT
ADJUST
DPD2
VRCK
DPAC DPBD DPD1
MDI2 LDP2
5 57 9 10 11 12 16
VRCK
+B10
21
MUTE
20
+ BIAS
OPOUT1
4
OPIN1(–)
3
2
OPIN1(+)
+
OPOUT2 7
OPIN2(–)
6
5
OPIN2(+)
+
OPOUT3 22
OPIN3(–)
23
SHIFT
24
OPIN3(+)
+
25
OPOUT4
OPIN4(–)
26
IC3801
27
OPIN4(+)
1,28
FWD,REV
LOADING DRIVER
13 12
3 4
6
5
1 2
8 9
14
7
IC3201
74HC07AF
BUFFER AMP.
– 22 –
FEI 150
TEI 151
LVL 152
RPO
26
RFRP 153
RPZ 25
RPZI 146
RFOP
142
RFOP 30
143
RFON 29
RFON 139
EQF 44
EQB 43
EOF 168
33
TEB
EOB 167
DPDB 35
TEB 164
DPDC 166
SLDRV 162
SPDRV 163
FEO 21
FDD 158
TEO 20
TRD 159
SPV 156
LVL 19
FLGA
37 FLGA
VRCK
170 VRCK
SCB
VCKF
174 SCB
17
SCL
173 SCL
SCD
172 SCD
/DFTN
169 /DFCT
+B10
1,11,26,40,62,76,86
VDD1
+B10
IC3508
IX1761GE
5
TRACK BUFFER I/F
2,3 4
94 93
IC3503
PST9129N
RESET
7
1 SLDRV
6
5
71 G_RESET
73 /RESET
67 CHOP
90 MUTE
SPDRV
100 EJ_SW
68 LD_SW
61 IN_SW
70,69 LD_FWD/REV
FOD
TRD
UART-RXD
56 UART_RXD
KEY3
97 KEY3
S/E_DI
55 SUB/EEP_DIN
S/E_DO
53 SUB/EEP_DOUT
S/E_CK
57 SUB/EEP_CLK
FIP_CS
87 S/E_CS
EECS 62
EECS
+B10
2
3
6
1,33,52,76,81
5
93 AVCC
4
+B10
6,15,24,38,47,59,79,104
7
103
AVSS
IC3507
BR93L66F
EEPROM
+B10
VD
138 PVDD 5 DAC VDD
144,160 AVDD
ADC XV
FEI
SERVO
TEI
DEQ
CONTROL
LVL
DIGITAL SERVO
RFRP
RFZI
RFCD
SLICE
DATA
RFDVD
LEVEL
SLICER
RFON GEN.
SYNC D
DEMODU
DAC IF
(PWM)
ANMON
PLL
EQBC
TEBC
DPDC
FMO
IC3
DMO
TC94
DAC
SERVO
FOO
TRO
EXT_DA
AVSS 149,154 MICOM I/F
PVSS 127
XVSS 9
MD0-7
DACVSS 3,8
/P
VSS5 17,22,39,66
MD0-7
61,83,110
PDCK
46-53
VSS3 105,122,171 73
+B10
45,51,64 72-65
41
VDD2 5VBUS
N0O-N7O
ERROR
ID
PSYCO
DETECT
DETECT
PD
MEMORY CTL
RAM
(4.2KByte)
HADR0-7 HDAT0
92 91 80 79 78 77
I
IX
MICRO
VCC
VSS