Read Sony CX-LDB10 / CX-LDB20 Service Manual online
8
8
CX-LDB10/LDB20
CX-LDB10/LDB20
SCHEMATIC DIAGRAM — CONTROL BOARD —
•
See page 2 for Waveforms.
•
See page 13 for IC Pin Function Description.
MAIN BOARD
CN003
B
MAIN BOARD
CN002
D
7
8
SUPPLEMENT-1
Page 6
SUPPLEMENT-1
Page 6
(3/3)
(3/3)
0.7
0
0
3.4
0
3.4
3.2
0
3.4
3.4
3.4
0
0
0
3.4
3.3
3.3
3.3
3.4
3.4
3.4
3.4
3.4
3.5 3.3
0 3.3 3.4
0
3.3
3.4
1.4
1.4 1.6 3.4 1.8
0 3.3 2.1 0.8 3.6 3.4 3.5 3.4 3.4
0 3.3 -28
1.6
3.4 3.4
-27
-26
-26
-26
-26
-26
-18
-26
-26
-24
-13
-18
-13
-13
-13
-23
-23
-18
-10
-28
-29
-28
-29
-28
-28
-28
-13
-16
-28
3.4
0.1
0.2
2.8
2.8
2.8
3.4
2.7
2.9
0
3.3
0
3.2
0
0
0
3.3
3.3
9.9
9.9
9.9
9
9.9
9.9
0.8
9.9
0
0
3.6
0
4.2
4.2
3.4
3.6
3.6
no mark : CD ON
17P
23P
7P
M30392MCP-A08FPUO
CONTROL BOARD
IC401
IC402
IC403
AEP
E51, MX, AR
RU
CD DOOR
OPEN/CLOSE
LDB20
-TP1
-TP1
LED DRIVE
LED DRIVE
470
470
470
470
i-Bass
TUNING
FOLDER
FOLDER
TUNING
I/1
TE-17
TE-17
TE-17
TE-17
TP-1EF
RESET
SWITCH
TP-1EF
TE-17
VOLTAGE DETECT
-TP-1
-AT
-AT
-TP-1
TAPE DECK
TUNER
PACK
UDZSTE175.1B
SWITCH
PLUNGER
DRIVE
PLUNGER
DRIVE
CAPSTAN/
REEL
MOTOR
DRIVE
CAPSTAN/
REEL
MOTOR
DRIVE
REMOTE
CONTROL
RECEIVER
RECEIVER
SYSTEM CONTROLER
SLI-343URC
2.2k
4.7k
JC427
R566
10k
100p
47
47
0.22
5.5V
(CHASSIS)
*
*
JC426
0
EXCEPT AEP
CN402
AEP : 15P
EXCEPT AEP : 11P
AEP
EXCEPT
AEP
JW428
JW446
JW447
AEP
100P
FLUORESCENT
INDICATOR TUBE
S820
T32WST
STANDBY
u
LDB20
*
*
*
SP2,SP6,TW,KR,AUS
LDB20
AEP
CD
SYNC
VOLUME
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