Sony BVW-55, Maintenance Manual, Page: 760 / 942

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MB-838 (5/8) MB-838 (5/8)
MOTHERBOARD
MB-838 (5/8)
BOARD NO. 1-673-540-11, 12
LOT NO. 812-
B-¥BVW55-MB838-11@-SIEDS
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SIGNAL SIGNAL DESTINATIONS DESTINATIONS
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SIGNAL SIGNAL DESTINATIONS DESTINATIONS
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SIGNAL DESTINATIONS DISTINATIONS SIGNAL
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SIGNAL DESTINATIONS DISTINATIONS SIGNAL
CN42 CN52
CN51 CN41
REG GND REG GND
REG GND REG GND
REG GND REG GND
REG GND REG GND
REG -5V REG -5V
REG -5V REG -5V
REG -6V REG -6V
REG -6V REG -6V
REG GND REG GND
REG GND REG GND
REG GND
REG GND
COM RX
RTS
SYS RESET
REG GND
POWER ON RESET
APR CS
SY MD CS
SIF2 RES
SIF2 SCK
SV SY INT
REC LTC
PB LTC
EDIT CTL
TAPE DIRECTION
SIF3 RES
SIF3 SCK
L:SV EX COM EN
SV EX COM TX
SV EX COM RX
REG GND
REG GND
SY TG CS
SY VPR CS
SY SDI CS
SY DEC CS
CHAR SIG A(X)
CHAR SIG A(G)
CHAR SIG D(X)
CHAR FRAME D(X)
CHAR FRAME A(G)
CHAR FRAME A(X)
SIF3 CMD
SY A5 SY A4
SY A3
SY A1
SY A9 SY A8
SY A7 SY A6
SY A10
SY A0
SY A2
SY D5 SY D4
SY D3 SY D2
SY D0
SY D6 SY D7
SY D1
SY WR
SY DIR SY RD
SY STB
SIF3 START
REC GUARD
L:SVSY WAIT
L:SYSV CS
SIF2 CMD
L:SV VCC OFF
SIF2 AFM DAC CS
L:PB HEAD
SIF2 APR DAC
REG GND
SIF1 CK
SIF1 RDY
SIF1 KY2
SIF1 CMD
SIF1 RES
H:NTSC
H:FAN STOP
REG GND
LTC SOURCE
LTC OUT
RM TX(-)
RM TX(+)
PRIORITY
RM RX(-)
RM RX(+)
KEY TX
KEY RX
CTS
H:VIDEO EE
SS GOP
SS FRAME
SV REF
CHAR VD
CHAR HD
TBC RESET
L:R/P ON
SIF2 DM CS
SIF2 TBC CS
SIF2 MD CS
CHAR CK(X)
REG GND REG GND
REG GND REG GND
REG GND REG GND
REG GND REG GND
REG GND REG GND
REG GND REG GND
REG -5V REG -5V
REG -5V REG -5V
REG -6V REG -6V
REG -6V REG -6V
SYS RESET
SY A5 SY A4
SY A3
SY A1
SY A7 SY A6
SY A0
SY A2
SY D5 SY D4
SY D3 SY D2
SY D0
SY D6 SY D7
SY D1
SY WR
SY DIR SY RD
SY STB
SIF2 MD CS
C REC RF(X)
Y REC RF(X)
EE Y RF(X)
EE C RF(X)
EE VIDEO FRAME
C REC RF(G)
Y REC RF(G)
EE Y RF(G)
EE C RF(G)
MD 27M(X) MD 27M(G)
SIF3 CMD
SIF3 START
SIF3 SCK
SIF3 RES
SY A9 SY A8
SY A10
SY MD CS
L:METAL/H:OXIDE
SY SV JP
SIF2 RDY
COM TX
SYS PIORES SYS PIORES
CHAR CK(G)
REG +6V-1 REG +6V-1
REG +6V-1 REG +6V-1
REG +3.3V REG +3.3V
REG +3.3V REG +3.3V REG +3.3V
REG +3.3V REG +3.3V
REG +3.3V
REG +8V REG +8V
REG +8V REG +8V
REG +8V REG +8V
REG +8V REG +8V
REG +5V-2
REG +5V-2 REG +5V-2
REG +5V-2 REG +5V-1
REG +5V-1
REG +5V-1
REG +5V-1
REG +6V-2
REG +6V-2
REG +6V-2
REG +6V-2
RP DA CS
RP DA DO
SV MINI TXD
LTC SIG
RP DA CLK
RP DA DI
SV MINI RXD
CTL SIG
C PB RF Y PB RF
CTL PULSE
SY-DM JP0
SY-DM JP1
ADV Y SW PLS ADV C SW PLS
SIF2 SDI CS SDA
SCK
LD
SP ENC 1
SP ENC 3
SP ENC 5
SP ENC 7
SP ENC 9
SP ENC VD
SP ENC PARITY
SP ENC 0
SP ENC 2
SP ENC 4
SP ENC 6
SP ENC 8
SP ENC HD
SP ENC CFI
CN41
CN42
SY-272
TG-191
SDI-23
DEC-97
SDI-23
TG-191
TG-191
TG-191
TG-191
TG-191
TG-191
SDI-23
SDI-23
SDI-23
SDI-23
SDI-23
SDI-23
SDI-23
MD-122
CN51
CN52
SDI-23
SDI-23
SDI-23
SDI-23
SDI-23
SDI-23
SDI-23
TG-191 TG-191
SY SP1
SIF3 OP CS1
SIF2 OP CS
SIF1 OP CS
SY CP CS
SY CS SP
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
RE-174
APR-42
MD-122
SV-206
SV-206
SV-206
SV-206
SV-206
SV-206
SV-206
SV-206
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
VPR-59
VPR-59
VPR-59
VPR-59
VPR-59
VPR-59
VPR-59
SV-206
SV-206
SV-206
SV-206
SY-272
APR-42
SY-272
SY-272
SV-206 SV-206
AFM-16
RP-107
APR-42
APR-42
DM-121
RP-107
DM-121
DM-121
MD-122
DM-121
SY-272
RP-107
RP-107
RP-107
SV-206
SV-206
SV-206
RP-107
RP-107
DM-121
DM-121
RP-107
RP-107
RP-107
SV-206
SV-206
DM-121
RP-107
RP-107
DM-121
DM-121
*SYS BUS:The SYS BUS consists of the APR-42,AU-262,DEC-97,SDI-23,SV-206,
CN-1779,DP-264
CN-1779,DP-264
CN-1779,DP-264
DP-264
CN-1779,DP-264
CN-1779,DP-264
CN-1779,DP-264
CN-1779,DP-264
CP-317
CP-317
CP-317
CP-317
CP-317
CP-317
CP-317
CP-317
CP-317,DM-121
DM-121
DM-121
TG-191,SV-206
AUX
AUX
AUX
AUX
SDI-23
SDI-23 SDI-23
SY-272
SY-272
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
SYS BUS
APR-42,MD-122,TG-191,VPR-59
APR-42,MD-122,TG-191,VPR-59
APR-42,MD-122,TG-191,VPR-59
APR-42,MD-122,TG-191,VPR-59
SV-206
AFM-16,APR-42,DM-121,SDI-23
AFM-16,DM-121,SDI-23
AFM-16,APR-42,DM-121,SDI-23
AFM-16,DM-121,SDI-23
SYS BUS
*SYS BUS:The SYS BUS consists of the APR-42,AU-262,DEC-97,SDI-23,SV-206,
SY-272,TG-191,and VPR-59 boards. SY-272,TG-191,and VPR-59 boards.