Schematic Diagram - Servo Section (1/4) - Sony MEX-DV1000 Service Manual

MEX-DV1000/DV2000
5-6. SCHEMATIC DIAGRAM – SERVO Section (1/4) –
MEX-DV1000/DV2000
• See page 40 for IC Block Diagrams.
(1/4)
FD+
FCS+
TD+
TRK+
TD-
TRK-
FD-
FCS-
NC
C160 0.0047
VR(DVD)
C162 0.001
PD
PD
PD
R6
VR(CD)
47k
LD(DVD)
LD(DVD)
GND(LD COM)
L1
GND(LD COM)
0
LD(CD)
LD(CD)
MSW
NC
C
R13
C
1
D
D
A
A
Q3
B
2SA2119K
B
E AUTOMATIC
E
POWER CONTROL
F
F (FOR CD)
RFN
RF-
RFP
RF+
OP_GAIN
GSW
NC
VCC
C2 0.1 VREF
VC
C6 0.1
GND
TP45
CN2
30P (OPGND) RV1 R4 R7 R9
1k 1k 10k 6.8k
R5
1.8k
F
C14 R8
0.1 10k
R10
10k
VREF
E
CN1
26P
LIMIT SWITCH GND
LIMIT SWITCH
PHOTE VCC
V
COIL V
R2
COIL V
47
U
COIL U HB
COIL U HU+
W
COIL W HU-
COIL W HV+
HALL_BIAS- HV-
HALL W+(H3+) HW+
HALL W-(H3-) HW-
HALL V+(H2+) VCC
HALL V-(H2-) GND
C4
HALL U+(H1+) SPCNF
0.01
C3
HALL U-(H1-) 10 SB
16V
C5
HALL_BIAS+(+5V) STBY
0.1
R1
SLED MOTOR B-
47
R123
SLED MOTOR B-
4.7k
SLED MOTOR B+
C11
SLED MOTOR B+
0.1
SLED MOTOR A-
C7
SLED MOTOR A-
0.1
SLED MOTOR A+
SLED MOTOR A+
NC
24 24
R11 R15
100 100
Q2
2SK3018-T1
CD ON SWITCH
S
Q1
DTC114EE-TL Q4
2SK3018-T1
INVERTER
DVD ON SWITCH
R18
S
47k
TP63 (A3.3V)
C12 R33 R126
100 Q11 1 100k
TP47
10V MSB709-RT1
(IOPCD)
INVERTER C23
TP51 R14
100
(IOPDVD) 1.2k
10V
Q5
C13 2SA2119K Q12
0.001 MSB709-RT1
AUTOMATIC
INVERTER
L2 POWER CONTROL
0
(FOR DVD)
COMPARATOR
IC2
NJM2740V
R34
1.8k
V+
R27 R29 R31
V-
6.8k 10k 1k
R19 RV2
10k R28 1k
10k
C9
4.7
R20 2.2
R21 2.2
R36 2.2
R37 2.2
R38 2.2
R47 2.2
RNF
FG
INSP
IN4
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE IN3
IC1
IN2
BH6599KV-E2
IN1
R17 10k
VREF
CNF1
R16 10k
CNF2
CNF3
CNF4
C20
0.1
R125
MODE_SW
100k
A+3.3V
R35
CD_LD
1.2k
DVD_LD
GND
A+5V
TP57
(F)
TP58
(E)
RFP
REP
RFN
RFN
A
A
B
B
C
C
D
D
VREF
VREF
PD
PD
OP_GAIN
OP_GAIN
HOME
DRV_XSTBY
FG
R22 0
SP_DRV
R23 180k
STB
R24 180k
STA
R25 0
TR_DRV
R26 0
FR_DRV
DR_VREF
C15 330p
C16 330p
C17 0.001
C18 0.001
GND
DR+5V
C21
100 AGND
10V
(Page 26)
DRGND
(Page 25)