Read Panasonic SL-CT820EB / SL-CT820EE / SL-CT820EG Service Manual online
V
CC
+B1
14
Vss
11
ICP11
S202
(REST
DET. SWITCH)
REST
55
PLA
Y
56
MUTE
H
16
71
A
Vss
VREF
72
74
DOCT
OR
+B1
HEADPHONE
R ch
MUTING
CONT.
+B1
Q602
35
MUTE
L
MUTING
Q601
OUT
SWITCHING
(CHARGE)
+B1
Q42,81,302
34
33
JACKM2
JACKM1
62
CHAGE1
75
VMONIT
OR2
+B7
70
POWER
S304
(
)
VMONITOR1
76
+B1
+B5
78
KEY
DC IN
4.5V
/RESET
8
POWER
SUPPLY
SUPPLY
EXT
BATT
HOLD
58
OFF
ON
S310
(HOLD)
SL-CT820(EG,EB,EE) BLOCK DIAGRAM
BUZZER
DRIVE
+B1
Q902
67
ECS
64
MCLK/SK
65
MDA
T
A/DIDO
MCLK
M
D
ATA
RFQFE
RFQFE
60
73
REMKEY
17
BUZ
VMONIT
OR3
77
S308
(
)
S302
(VOL-)
S303
(VOL+)
69
DOT
36
TX
POWER
C0CBAFD00003
IC12
L12
Q11
5
ICTRL
Q13
PC1
3
PC1
4
PC2
PC2
1
FG
FG
MLD
61
MLD
13
X
OUT
SMCK
XI
N
12
R ch
L703
L702
MUTING
CONT.
+B2
Q901
MUTING
Q704
MUTING
CONT.
ECS
S
TAT
66
S
TAT
BLKCK
21
BLKCK
CNVss
7
15
HPCNT
HPCNT
MUTING
CONT.
Q304
Q903
OPEN
80
OPEN
S201
(LASER ON/OFF)
+B2
D12
SW1
SW2
2.5VBOOSTER
CONT./OUTPUT
CIRCUIT
CHARGE PUMP
12
11
10
9
8
7
2.8V/3.9V
REGU-
LATOR
LATOR
INVERSE
CURRENT
PROTECT/AC
ADAPTOR
DET.
RESET
CIRCUIT
BAND
GAP
CIRCUIT
17
16
14
2.5V
BOOSTER
STOP
POWER
SAVE
SELECT
6
5
4
3
2
1
24
23
21
22
20
19
18
15
13
VG
CP2C
CP1C
CP2
CP1
PV
CC
1
EI
EO
SOFT
SW1
SW2
PGND
V
DD
2P52
V
DD
2P51
SEL
PV
CC
2
SGND
REFB
ACDET
-
OUT
RST
OUT
RSTIN
STBYIN2
SPR
T
STBYIN1
+B1
Q41
SWITCH-
ING
Q301
D1
C0DBAFE00017
IC61
REGULATOR
C0CBCBZ00001
IC71
REGULATOR
L1
L61
+B1
+B2
L71
+B3
P.SUPPLY
CONT.
Q501
Q504,505
ACDET
68
2
IDOWN
C2BBGF000657
IC301
SYSTEM CONTROL
+B1
LED
DRIVE
Q305
+B1
D361
(CHG)
40
LED
+B1
+B2
+B4
C0DBAFG00014
IC1
DC-DC CONVERTER
OPT
OUT
OUT
Q551
POWER
SUPPLY
SUPPLY
+B4
TX
LOOUTL
HPOUTL
+B6
+B1
S305
(
)
S301
(
/ )
+B7
CHARGE2
63
GND
V
DD
+B1
BATTERY
LOSS CANCEL
BATTERY
LOSS CANCEL
BATTERY
LOSS CANCEL
REGULATOR
F41
NRST
SWITCH-
ING
Q502
D501
POWER
SUPPLY
MUTING
CONT.
+B1
Q307
Q705
+B1
HIGHMA
T
32
ON
OFF
S306
(High MAT)
2 RECHARGEABLE
BATTERIES
BATTERIES
2.4V
NOTE
: PLAYBACK SIGNAL LINE
SL-CT820EB / SL-CT820EE / SL-CT820EG
22
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