Sony BVW-55 Maintenance Manual page 658

IC130,108 IC104
SDI-23,62-3to12 CN52
S ENC 0-9 10 10 VYC CY 10
VPR-59,92-1to10 5-14 BUF
0-9 1-10
SDI-23,62-13 CN52
Y/C SEP.
S ENC HD IC106,110,112
VPR-59,92-11 15
CCR 8
SDI-23,62-15 CN52
2-10
S ENC CF
VPR-59,92-13 17
4
CN51 SDA0-3
MD27M CCB 8
TG-191,61-97 97
2-10
IC118
BUF IC105
VD
WCK,WZ,RCK
SDI-23,62-14 CN52
SX ENC VD RZ,CFFD,CFID
VPR-59,92-12 16
BCK
CN52 TIMING
EE VIDEO FRAME
GEN.
DM-121,101-38 36
CN51
METAL/OXIDE IC114
APR-42,31-73 73 METAL
EEPROM
IC703 IC704
CN51
SV2 D0-7 8 8
SYS BUS 39-46 BUF D0-7
CN51 IC705
SV2 DIR
SYS BUS 36
MD CS
SY-272,41-67 67 CS
CN51
SY2 A0-2 3 3
SYS BUS 47-50 A0-2
BUF
CN51
SYS PIORES
SYS BUS 38 XDIS
SY2 RD
SYS BUS 35 RD
SY2 WR MD PS2
SYS BUS 34 WR
CN52
I/O PORT
RP DA CS
RP-107,401-36 27
RP DA DI
RP-107,401-35 28
RP DA CLK MD PS3
RP-107,401-33 26
CN52 IC112
SDA
SDI-23,61-73 1
LD
SDI-23,62-45 2 BUF
SCL MD PS4
SDI-23,62-46 3
IC710
IC708
BUF 5
CLK
3
CN52 DI EVR
RP DA DO 2
RP-107,401-31 25 DO
Block diagram
Q101,102
IC101 Q210-212 IC102
SYNC/SETUP
R0-9 RO LPF
MIX
Y
IC107
RV103 RV104
8 10
B0-9 BO
R-Y
BUF IC111,115
Q105-108
8 YDA LEVEL LPF
VIDEO
AD31 Q120,121
B-Y SIGNAL
VIDEO
PROCESSOR
525/625 D/A
(CTDM)
CONVERTER
CDA LEVEL
AD32
IC117
PULSE
IC115 GEN
PULSE
GEN
Q114-116
RV110
Y REF METAL/
DELAY OXIDE METAL
SELECT
RV113 RV111
C REF C REF
DELAY(O) DELAY(M)
SDA0-3
525/625 LPF
VIDEO EE(MOD) WHEN MD-122 BOARD IS
Q103,104
SUFFIX-11,THIS BLOCK
Q213-215
IS ON DU-65 BOARD.
IC901,902
6V
Q901,903 IC851
5V
5V-2
REG
Q850,858,860
POWER
POWER
SW
CNT
-5V-2
-6V
8V
POWER
8V-2
SW
Q854,859
IC852,853
8V Q856,857
POWER 5V
5V-3
SW REG
Q861,862
AD11-15
AD21-23
AD31,32
3-16
MD-122 MD-122
Block diagram
IC310
TP306
Y REC FM MODULATOR
IC303
Q308-310
S101
LPF CLAMP LIM EMPHA
R309
RV105
Y HIC Y WHITE CLIP
TP101
AD11
Y REC CLAMP PULSE Y DARK CLIP
RV103 C SYNC AD12
Y HF
RV104 Y REF SYNC TP311
AD15
TP309
RV105 SETUP
IC305
TP310 Q311-317
SLEW
Y
RATE
HF
LIMIT
METAL
Y LEVEL
AD13
Y SRL
AD14
Y CARRIER
5V-2
S301(1/2)
OFF:NON LINEAR EMPHASIS ON
IC111
Q109,111
LPF
RV109
IC510
C REF
SYNC TP505
C REC FM MODULATOR
Q509,511
S102
SYNC
LPF CLAMP LIM EMPHA
MIX
IC109
RV509
C HIC C WHITE CLIP
TP102
AD21
C DARK CLIP
AD22
C REC CLAMP PULSE C HF
AD23
TP509 Q512-518
C
HF
METAL
C CARRIER
3-16
IC302
VIDEO SW
Q306,307
FM AM
V-I BPF
MOD MOD
RV303
RV306
METAL
Y 2ND
Y DEVIATION
DISTORTION
TP301
Q303-305
METAL/
OXIDE
SELECT
RV301 RV302
Y CARRIER
(O) (M)
IC503
VIDEO SW
Q505 Q506-508
FM AM
V-I BUF BPF
MOD MOD
RV503
RV506
C 2ND
C DEVIATION
DISTORTION VIDEO EE(MOD)
TP501
Q501,502,504
METAL/
OXIDE
SELECT
RV501 RV502
C CARRIER
(O) (M)
TP304
CN52
EE Y RF
43 DM-121,101-32
TP305
CN52
Y REC RF
41 RP-107,401-42
IC502
VIDEO SW
CN52
EE C RF
45 DM-121,101-36
TP505
CN52
C REC RF
39 RP-107,401-40
METAL
RF MODULATOR
MD-122
LOT NO. 812-
BVW-55