Read Panasonic SL-CT520EB / SL-CT520EG / SL-CT520EE / SL-CT520SG Service Manual online
18
19
22
VL3
VL2
VL1
V
CC
+B9
14
Vss
11
ICP11
S202
(REST
DET. SWITCH)
REST
55
OPEN
80
OPEN
S
TAT
66
S
TAT
MUTEH
16
71
A
Vss
VREF
72
13
X
OUT
SMCK
XI
N
12
70
POWER
78
+B9
KEY2
/RESET
8
HOLD
58
ON
OFF
S310
(HOLD)
MUTING
Q704
REGULATOR
Q11
+B1
REGB
+B2
68
AC
DET
CHARGE2
63
CHARGE2
RESET
Q16
RESET
Q19
NRST
+B9
S802
(
)
S804
(
)
+B9
RESET1
POWER
+B6
S201
(LASER
ON/OFF)
SWITCH-
ING
Q502
RESET
Q301
HEADPHONE
MUTING
CONT.
Q901,902,905
+B6
BLKCK
21
BLKCK
+B4
79
+B9
KEY1
S803
(
)
MLD
61
MLD
64
MCLK
/SK
MCLK
65
M
D
ATA
/DIDO
M
D
ATA
RW
60
GCTL
BUZZER
CONT.
+B6
Q903
17
BUZ
CHARGE
CONT.
Q12~14
+B6
62
CHARGE1
EXT
BATT
BATT
S805
(VOL+)
S806
(VOL-)
C2BBGF000595
IC301
SYSTEM CONTROL
15
HPCNT
ECS
ECS
67
DC IN
DET.
Q15
69
RIO
LED
DRIVE
+B6
Q2
D90
(CHG)
SEG12/LED
40
HPCNT
+B9
C3ABMG000207
IC503
DRAM
A0~10
16
DQ0~15
20~24,
27~32
CAS
34
CKE
WE
17
15
RAS
2,3,5,6,8,
9,11,12,
39,40,42,
43,45,46,
43,45,46,
48,49
35
CLK
19
BA
36
UDQM
14
LDQM
+B4
7,13,
38,44
38,44
V
DD
Q
V
SS
26,50
+B4
1,25
V
DD
CS
SK
DO
DI
GND
5
V
CC
8
1
2
3
4
ECS
MCLK
M
D
ATA
C3EBCG000096
IC302
EE PROM
LDQM
UDQM
A1
1
CLK
A0~10
D0~15
NWE
NCAS
CKE
NRAS
+B9
HPOUTL
HPOUTR
7
CNVss
56
PLA
Y
S801
(
/ )
V
SS
Q
4,10,41,47
TYPSEL
46
VMONIT
OR1
77
VMONIT
OR2
75
+B2
VMONIT
OR
76
SL-CT520(EG,EB,EE,SG) BLOCK DIAGRAM
ICP12
DC IN
4.5V
DC IN
DET.
CHG
20
+B9
Q31
D31
2R03/LR03(UM-4)
BATTERIES
BATTERIES
3V
NOTE
: PLAYBACK SIGNAL LINE
SL-CT520EB / SL-CT520EG / SL-CT520EE / SL-CT520SG
22
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