Sony BVW-55 Maintenance Manual page 654

Y DM(RF)
FROM(1/3)
CN101/100
IC500,501
L:SLOW BID
SV-206,303-4 16 H:-1 TO +3 TIMES
H:VIDEO EE
IC503(1/2)
TBC SPEED AMP
IC910,911 IC503(2/2)
CN101/100
SV TAPE SPEED
INTEGRAL
SV-206,303-11 17 AMP
AMP
RV505
SPD
OFFSET
C DM(RF)
FROM(1/3)
IC901,903
IC908 IC905,906
IC907
4 4
ADV C SW PLS
IC909 H:ANA PB
NV-RAM
DM
SYIF2 RES,RDY MPU
SYIF2 CMD,SCK
CN101/100
DM CS
SY-272,42-16 76
DM-121 (2/3) DM-121 (2/3)
Block diagram
TP502
2FC ELIMINATE LPF
Y DM
FL502
IC505(2/3) Q507,509
LPF
RV502 IC505(3/3)
Y DM Q510,511
Y DEM Q506
BAL
BUFF
SEARCH
LPF
RV501
H:+18 TIMES
DEEMPHASIS DC
TP508
SPEED Q512,513
Y W CLP PLS
IC504
RV506
SPD
GAIN
TP702 2FC ELIMINATE LPF TP703
IC702(2/3)
C DM C PRE
FL702
IC702(3/3)
Q704,705 Q706-710
THROUGH
LPF
RV702
C DM
C DEM
BAL
RV701
Q711,712
DEEMPHASIS DC
C W CLP PLS
Y DELAY CONT CH C DELAY CONT CH
Y COS1 CONT C COS1 CONT
Y MAIN CONT C MAIN CONT
EVR Y SUB CONT C SUB CONT
Y DO THRESHOLD C DO THRESHOLD
Y OMC CONT C OMC CONT
H:SEARCH SW LOW H:SEARCH TUNE 6M
H:SEARCH SW MID H:SEARCH TUNE 14M
H:SEARCH SW FLAT
H:+18 TIMES
Q903
H:METAL/L:OXIDE
L:METAL/H:OXIDE
Y RF ENV
C RF ENV
L:Y DOP
3-12 3-12
Block diagram
TP503
TP505 TP506
Y PRE
FL504 Y MAIN Y NLDE
Q516,518
IC508(1/2) IC511
IC508(2/2)
METAL
CLAMP
NON-LIN
LPF
DEEMPHASIS
TP504
Y CLAMP RV503
Y METAL
LEVEL
RV504
Y OXIDE
H:METAL/L:OXIDE
LEVEL
FL503
MIX
Q515,517
IC512,Q514
OXIDE
LPF
CLAMP
ERROR
DET
RV703
C METAL
LEVEL
TP705
C MAIN
FL703
IC703(2/2)
Q714,715
IC703(1/2)
NON-LIN
BUFF
DEEMPHASIS
CLAMP LPF
(INV)
IC705
TP704
C CLAMP RV704 RV704
C OXIDE LEVEL
MIX
IC704,Q713
CLAMP
ERROR
DET
IC513
Q520,522-526
Y DEMOD
NOISE
TO(3/3)
CANCELER
TP706
C NLDE
IC706
C DEMOD
NOISE
TO(3/3)
CANCELER
RF DEMODULATOR, TBC
DM-121 (2/3)
LOT NO. 812-
BVW-55