Read Panasonic SC-EN25P / SC-EN26P / SC-EN27PC Service Manual online
14 Block Diagram
BA5948FPE2
IC700
FOCUS COIL / TRACKING
COIL / TRAVERSE MOTOR /
SPINDLE MOTOR DRIVE
TRACKING COIL
FOCUS COIL
T+
T-
F+
F-
SPINDLE
MOTOR
TRAVERSE
MOTOR
BIAS
26
15
16
VO3-
VO3+
14
13
VO2+
VO2-
12
11
VO1+
VO1-
M
VIN3
28
VIN4
27
17
18
VO4-
VO4+
VIN2
1
VIN1
3
MUTE1
4
M
PGND1
PGND2
9
20
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
M5.5V
10
19
PVcc1
PVcc2
MUTE
[CH1]
MUTE
[CH2]
MUTE2
2
[CH3]
[CH4]
[CH2]
[CH1]
Vcc
25
OPTICAL PICK-UP
LASER
PHOTO DETECTOR
D3.3V
E
E
F
F
B
C
C
A
D
D
D3.3V
IC701
KEY SW
PD
RFOUT
RFIN
ARF
E
SA-EN25/EN26/EN27(P,PC) BLOCK DIAGRAM
28
LD
29
A
B
F
30
35
33
31
50
OUTL
54
OUTR
X700
(16.9344MHz)
X1
X2
70
71
IO
V
DD
3
15
IO
V
DD
1
56
IO
V
DD
2
72
D3.3V
RFV
DD
37
AV
DD
2
49
D3.3V
R ch
11
TRP
13
FOP
7
TR
VP
5
SPOUT
6
SPPOL
27
VREF
CR NET.
26
25
19
TEOUT
TEN
TEIN
CR NET.
23
24
20
FEOUT
FEN
FEIN
LASER
POWER
DRIVE
Q700
D3.3V
LASER
POWER
DRIVE
Q301
CD
BO
T
OOM
SW
MCLK
MDATA
MLD
BLKCK
MCLK
63
MDATA
64
MLD
65
BLKCK
67
STATUS
STAT
66
CDRESET
NRST
68
DV
SS
1
17
AV
SS
2
43
DV
SS
2
55
DV
SS
3
69
AV
SS
1
51
ARF IN
SEG0~19
COM0~3
81~100
1~4
Z801
LCD
KEY
SW
26
S351
(CD TOP DET.)
S352
(CD BOTTOM
DET.)
13
CD
T
O
P
S
W
12
CD
BO
TT
OM
SW
CD
BO
TT
OM
SW
MCLK
MD
A
T
A
MLD
BLKCK
39
MCLK
MD
A
T
A
MLD
BLKCK
ST
A
TUS
CD
RESET
ST
A
TUS
CD
RESET
40
42
50
41
44
XIN
XOUT
X801
(32.7kHz)
20
21
OSC2
OSC1
Q801
MBP2
MBP1
Q802
15
18
17
14
X802
(8MHz)
SWITCH-
ING
SWITCH-
ING
Q803
STBY3.3V
NRESET
23
MN101C74FAB1
IC801
SYSTEM CONTROL / LCD DRIVE
Z1001
(REMOTE
SENSOR)
SENSOR)
48
REM
IN
STBY3.3V
40
39
42
44
RF
AV
DD
1
53
D3.3V
ADPV
CC
18
VREF
STBY3.3V
RESET
BUP3.3V
S700
(REST)
REST
SW
43
MN6627552CB: SA-EN25/EN26
MN6627953HB: SA-EN27
MN6627953HB: SA-EN27
DSP
SC-EN25P / SC-EN26P / SC-EN27PC
31
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