Sony BDP-BX18 / BDP-S185 / BDP-S186 (serv.man2) Service Manual ▷ View online
BDP-BX18/S185/S186
2-8. CIRCUIT BOARDS LOCATION
MB-144 board
FR-316 board
Switching Regulator
2-6E
(AC IN)
3-
1
SECTION
3
BLOCK
DIAGRAMS
3-1.
OVERALL
BLOCK
DIAGRAM
103
SP
203
SP
The components identifi
ed b
y
mar
k
or dotted line with mar
k
are cr
itical f
or saf
ety
.
Replace only with par
t n
umber
specifi
ed.
109
CI
ENIL
OID
UA
REVI
RD
IM
DH
BSU
TEN
REH
TE
OEDI
V
OID
UA
)TU
PTU
OLA
TIGI
D(
OID
UA
DRA
OB44
1-BM
107
NC
TU
OI
MDH
LAI
XA
OC
OID
UA
ROT
ALU
GER
IC
3
70
IC
3
20
IC
3
10
IC
3
01
IC
106
IC
407
IC
307
IC
308
IC
408
OEDI
V
TU
OE
NIL
TU
OLA
TIGI
D
YBL
OD/
STD/
MCP
LATI
GID
,LO
RTN
OC
YR
OME
M,F/I
ATA
S
,F/I
TEN
REH
TE,I
MDH
,TU
OV/
A
F/I
BSU
PSD
,LO
RTN
OC
MET
SYS
NIA
M
BA-
G70
009
DXC
101
CI
109J
SUB-
B
SUB-
A
602
CI
601
CI
105
CI
DNA
NG2
HSA
LF
104
X
ZH
M72
102
NC
017
CI
ETO
MER
LO
RTN
OC
REVI
ECE
R
yar-
ulB
DVD
EVI
RD
EVI
RD
DB
DRA
OB
613-
RF
027
D
)ETI
HW(
GNI
HCTI
WS
ROT
ALU
GER
V2.
1_
ER
OC
V3.
3_
WS
V5
WS
NU
V3.
3
WS
NU
102
1CI
ROT
OM
EVI
RD
107
S
POT
S
207
S
ES
OLC/
NEP
O
307
S
YAL
P
MAR
DS
3RD
D
IC
306
007
S
RE
WOP
DEL
RI
YEK
3RD
Db
G1
3RD
Db
G2
V5.
1_
RD
D
Q720
LED DRIVER
CN801
LAN (100)
L
R
BDP-BX18/S185/S186
Notes:
MB
-144
mounted PWB m
ust be replaced if
IC101 (MAIN) and IC501 (NAND FLASH)
is damaged or not functioning.
The old MB
-144
mounted PWB m
ust be completely disposed.
BDP-BX18/S185/S186
3-2
AC22
IC106
2Gb DDR3
SDRAM
X401 27MHZ
IC101
MA
IN SYS
T
E
M
C
ON
T
R
OL,
DS
P,S
A
TA I/
F,M
E
MO
R
Y
C
ON
T
R
OL
A/V
O
U
T,
H
DMI,E
T
H
E
R
NET I/F
USB I/
F,
W24
RRAS
DODQ0-DODQ15
DOA0-DOA12
RCAS
R
WE
RODT
RCLK0
RCLK0_
RCLKE
RCS
RBA0
RBA1
RBA2
W25
AE23
H24
AE25
H25
L3
J3
/CAS
/WE
ODT
CK
/CK
CKE
/CS
/RAS
BA0
K3
K9
J7
K1
K7
L2
MB-144 B
O
ARD
IC206
1Gb DDR3
SDRAM
RRAS_B
DIDQ0-DIDQ15
DIA0-DIA12
RCAS_B
RWE_B
RODT_B
RCLK0_B
RCLK0_ _B
RCKE_B
RCS_B
RBA0_B
RBA1_B
RBA2_B
Y12
AA6
AD22
AD10
AE22
AE10
/CAS
/WE
ODT
CK
/CK
CKE
/CS
/RAS
BA0
AA12
AE11
A11
RF
IP
G1
RF
+
18
M
OTOR
DRIVE
IC1201
RF
IN
G2
RF
-
19
14
INA
C3
A
INB
B1
B
13
INC
C2
C
10
IND
C1
D
12
INE
E2
E
6
IN
F
E1
F
26
ING
D1
G
27
INH
D2
H
28
FCS_P
39
39
40
FCS_N
40
40
41
TRK_P
37
37
42
TRK_N
38
38
FD
1
43
TLT_P
36
36
FR
1
44
TLT_N
35
35
FD
2
45
FR
2
TD
TR
LOAD_N
30
30
LOAD
-
1
LOAD_
P
29
LOAD+
2
FE_TRAYIN
TRA
Y-OUT
3
TRA
Y-IN
5
U
43
43
U
6
V
45
45
V
W
47
47
W
8
SLED2_
P
4
B-
1
SLED2_N
5
5
B+
2
SLED1_
P
1
A-
3
SLED1_N
2
2
A+
4
FE
C
FREQ
L4
SDIO
4
FE
C
M
O
D
K3
THE
RM
O
3
2
1
XFG
12
FE _ FG
R1
SIM0
16
FE
_F
M
O
N1
SOM1
17
FE FM
O2
N2
SCLK
15
FEOSCEN
L3
9
8
11
15
SCLK
LDD_SEN
SA_B+
SA_B-
SA_A+
SA_A-
F5
FE
_
TY
PW
M
B11
T2
U4
P2
IC501
16
18
8
CPU_NFD0 - CPU_NFD7
19
17
7
9
3-2.
DSP
BLOCK DIAGRAM
A25
B24
A24
E23
C24
B25
NE
CF
N_
UP
C
EL
CF
N_
UP
C
EL
AF
N_
UP
C
NE
WF
N_
UP
C
NE
RF
N_
UP
C
NB
RF
N_
UP
C
CE
ALE
CLE
RE
RY/BY
WE
NFWP#
IC503 pin 1
2Gb
NAND FLASH
NS_XTALO
NS_XTALI
7
CXD90007G-AB
BD
DRIVE
CN1101
DVD Blu
-ray
DRIVE
CN1260
CN1270
BA1
BA2
/RESET
N8
M2
M3
K1
Y24
AC25
AB24
AD24
Y23
RRESET
N8
M2
M3
K1
W8
AB8
AC11
AE7
BA1
BA2
/RESET
L3
J3
K3
K9
J7
K1
K7
L2
RRESET_B
AUX1
FE_TRAYOUT
21 22
MODE A
MODE B
L2
N5
FE GAINSW1
FE GI 05
STP1_P
STPI_N
STP2_P
STP2_N
52
53
54
55
Notes:
MB
-144
mounted PWB m
ust be replaced if
IC101 (MAIN) and IC501 (NAND FLASH)
is damaged or not functioning.
The old MB
-144
mounted PWB m
ust be completely disposed.
2
BDP-BX18/S185/S186
CEC PULL-UP
ISOL
A
TING SWITCH
IC1
10
109
CI
01C
7A
31B
31A
41B
41A
51B
61B 61A
02C
51A
L
R
TX
2P
1
3
4
6
7
9
10
12
19
13
CEC
Q702
UNSW3-3V
3-3.
A
V
OUT
BLOCK
DIAGRAM
3-3
OEDI
V
OID
UA
LAI
XA
OC
TU
OLA
TIGI
D
YBL
OD/
STD/
MCP
LATI
GID
107
NC
J9
10
ENI
L
OID
UA
REVI
RD
LTU
O
RTU
O
ETU
M
LNI
RNI
20
9
Q
N2X
T
P1X
T
N1X
T
P0X
T
N0X
T
PKC
T
NKC
T
+2A
TAD
SD
MT
-2A
TAD
SD
MT
+1A
TAD
SD
MT
-1A
TAD
SD
MT
+0A
TAD
SD
MT
-0A
TAD
SD
MT
+KC
OLC
SD
MT
-KC
OLC
SD
MT
DPH
CEC
TU
OI
MDH
TX
2P
N2X
T
P1X
T
N1X
T
P0X
T
N0X
T
PKC
T
NKC
T
P_2
HC
M_2
HC
P_1
HC
M_1
HC
P_0
HC
M_0
HC
P_K
LC
M_K
LC
GLP
TH
FID
PS
KCR
LOA
ORA
OLA
L O R T N O C Y R O M E M F / I A T A S
F / I T E N R E H T E I M D H , T U O V / A
F / I B S U
90007G-AB
D X C
P S D , L O R T N O C M E T S Y S N I A M
R_O
LA
R_O
RA
R_K
CRL
OA
ETU
MAX
DRA
OB
441-
BM
KCA
JP4
A1
0
B1
0
1
10
119
2
7
TU
O_X
CAD
V
81
B
SBV
C
1
TU
OE
NIL
Notes:
MB
-144
mounted PWB m
ust be replaced if
IC101 (MAIN) and IC501 (NAND FLASH)
is damaged or not functioning.
The old MB
-144
mounted PWB m
ust be completely disposed.
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