Panasonic SJ-MD150, Servise Manual

Page: 60 / 92

14
13
12
11
M2
TRAVERSE
MOTOR
M1
SPINDLE
MOTOR
M
M
15
16
17
18
DIRECTION
DET
.
DIRECTION
DET
.
DIRECTION
DET
.
DIRECTION
DET
.
1/2 PVCC
28
8
27
22
9
+B4
1/2 PVCC
26
25
21
+B4
20
VREF
24
23
VCC DET.
7
+B4
19
PGND1
10
PGND2
VO4-
VO4+
VO3-
VO3+
VO2-
VO2+
VO4-
VO4-
Vcc
IN1
PC1
PVcc1
IN2
1/2PVcc2
PC2
IN3
PVcc2
1/2PVcc1
IN4
VREF
TRD
FOD
TVON
TVD
SPON
SPD
AN8814SB-E1
IC2
FOCUS/TRACKING
COIL,SPINDLE/TRAVERSE
MOTOR DRIVE
Q5,6
PC
MD OPTICAL PICKUP
37
38
RF1
VREF
39
RF2
5
11
AN8772FHQ
IC1
RF AMP
36 35 34 33 32
NRFDET
23
SERIAL&PARALLEL
CONV./GATE
30 29
VREF
RF1
RF2
41
43
40
44
F1
F2
F1
F2
A
APCREF
LDO APC
PD
LD
IN
ADIP TBAL
T
OFS
AS/MON3T
SVREF
ARFO
EQ
IN
AGC
EQ
CRF
AGC
OUT
RF
RFDA
T
A
NRFLD
V
CC
OFT O
+B11
26
GND
24
SW
3 tap
3 tap
3T DET.
VCA
VCA
28
SELECT
SIGNAL
27
RF BDO
COMP
AS BDO
COMP
20 31
21
COMP
COMP
25
22
19
3 tap
17
VCA
4 tap 11 tap
FBAL
TBAL
VCA
DARK DET.
4 tap DARK DET.
4 tap DARK DET.
2 3
4
B.P.F.
6 7
VCA
8
9
14
15
16
13
10
42
45
46
48
47
1
VR1
(LASER
POWER ADJ.)
CLPF2
A
B
CLPF1
C
CENVC
D
APC
REF
TEMP
IN
TEMP
ADIP
TBAL
TOFS
TGAIN
FE
TE
AB GAIN
LNP
AS GAIN
BDO/
TRCRS
CBD O
NRFDET/
OFTR
RFCK
NRFSTBY
CEA
E
A
B
D
C
I J
F
B
C
D
Q3
+B11
Q1
HFON
+B11
TH1
TEMP
+B11
Q2
NRECT
TGAIN
FE
12
CRS IN
TE
ABGAIN
LNP
18
FBAL FBAL
AS
TRCRS
OFT IN
OFTR
NRFLD
RFD
A
T
RFCK
NRFSTBY
+B11
+B11
VREF
VREF
VREF
TRACKING COIL
FOCUS COIL
LASER
POWER
DRIVE
POWER
SUPPLY
REC
DRIVE
POWER
SUPPLY
ASGAIN