Keyb And 232C Assys - Pioneer BDP-LX54 Service Manual

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10.10 KEYB and 232C ASSYS

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F
KEYB ASSY
A (BDP-LX54, BDP-43FD : OWZ9023)(BDP-430, BDP-41FD : OWZ9022)
PF08PG-B05
B
KEY_OPC1
E
CN402
KEY_STBY
LED_PON
V+12SW
C
TE
L 13942296513
D
To MAIN
E
A
3/6
P2501
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F
F G
62
1
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2
R302
100
V+5E
GND
V+12V
JP301
V+5E
1
GND
C301
IR 2
100p/50
C307
3
V+5E
100p/50
4
C308
100p/50
5
C312
100p/50
GND 6
C310
100p/50
7
C311
8
100p/50
GND GND
G
232C ASSY (OWZ9027) (BDP-LX54, BDP-43FD, BDP-41FD ONLY)
P4701
N0480GE
R4701
10K
CY
1
AT_5V
2
RS232C_RXD
3
RS232C_TXD
4
GND
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2
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3
8
BDP-LX54, BDP-43FD
C309 0.1u/50
IC301
GP1UE28RK0VF
R307 2.2k
1
VOUT
R308 2.2k
2
VCC
D301 SLR343BC4T(JKLM) NM
3 GND
Q301 LTC114YUB
GND
V+5E V+5E
STOP
PAUSE
S303
S302
1 2 1 2
R314 R316
F
2.2k
F
2.7k
C314
GND
NM
GND
S301
POWER_ON
1 2
Q Q
3 6 7 1 3
C4702
C4701
0.1u
100u
25V
6.3V
16
SHON
EN
1
R4702
10K
CY
PWB
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.
BDP-LX54
3
4
2 9 9 4 2 8
BDP-430, BDP-41FD
NM
NM
NM
NM
POWER ON
V+12V
R324
JP302 JP303
0
GND GND
R325
1 1
0
GND GND GND
1 5 0 5 8 2 9
C4709
47P
PWB
15 14 13 12
VCC GND T1 NC
OUT
IC4701
M3221EIP
C1+ V+ C1- C2+
2 3 4
C4704
C4703
0.47u
0.1u
m
co
4
9 9
GND
9 4 2 8 9 9
11 10
T1 NC
IN
C2- V-
5 6 7
C
C4705
0
0.47u