Sony BVW-55 Maintenance Manual page 716

1
IC1951(5/5)
TC74VHC02FT(EL)
+5V
VCC
GND
2
IC1951(1/5)
TC74VHC02FT(EL)
2
1
9P L-X13 3
+5V
IC1951(2/5)
TC74VHC02FT(EL)
R1951
5
100k R1952
4
100
6
CN100 (82/140) 82 H-VIDEO_EE
CN101 (82/140) 82 H-VIDEO_EE
IC1951(4/5)
TC74VHC02FT(EL)
11
1P,2P, 3P,8P,9P H-VIDEO_EE 13
IC1952(1/4)
12
TC74VHC27FT(EL)
1
8P Y_REF_INS
2
8P Y_PEDESTAL_INS
13
9P XTAL_INS
R1002
0 R1003
NM 0
R1953
0 TC74VHC32FT(EL)
NM
1
2
R1954
100k
R1955
0 TC74VHC32FT(EL)
NM
3 4
5
R1956
100k
TC74VHC27FT(EL)
3
4
8P C_REF_INS
5
8P C_PEDESTAL_INS
TC74VHC27FT(EL)
9
10
11
4P H-OXIDE
IC1955(1/5)
4P H-METAL
TC74VHC08FT(EL)
1
2
9P H-REF_OSC_ON
4
5
IC1955(2/5)
TC74VHC08FT(EL)
IC1954(5/5)
TC74VHC32FT(EL)
4
+5V
VCC
C1952
0.1uF
GND
8 IC1951(3/5) 12 IC1954(4/5)
10 11
TC74VHC02FT(EL) TC74VHC32FT(EL)
9 13
9 IC1954(3/5)
8
TC74VHC32FT(EL)
10
5
A B
IC1953(5/5)
TC74VHC08FT(EL)
+5V
1P Y_COS1_CONT
R908
VCC
C1950
0.1uF
GND
1P Y_MAIN_CONT
IC1953(1/5)
TC74VHC08FT(EL)
1
3
2 H-Y_FAST_SEARCH 1P
IC1953(2/5)
TC74VHC08FT(EL)
4
6
5
1P Y_SUB_CONT
IC1953(3/5)
TC74VHC08FT(EL)
9
8
10 H-Y_PB 1P
IC1953(4/5)
TC74VHC08FT(EL)
12
11
13 H-Y_EE 1P
1P Y_DO_THRESHOLD
IC1952(4/4) 1P Y_OMC_CONT
TC74VHC27FT(EL)
R904
12
+5V 1k
4P H_+18_TIMES
VCC
C1951
0.1uF
GND
IC1954(1/5)
3
H-Y_WHITE_MARKER 1P
7P YC_DELAY_CONT_CH
IC1954(2/5)
6
H-Y_PEDESTAL_MARKER 1P,3P
IC1952(2/4)
2P C_COS1_CONT
6
H-C_EE 2P
R909
IC1952(3/4)
8 2P C_MAIN_CONT
H-C_PB 2P
2P C_SUB_CONT
3
H-OXIDE_OSC_ON 1P,2P
6
H-METAL_OSC_ON 1P,2P
2P
C_DO_THRESHOLD
2P
C_OMC_CONT
1P,8P,9P
ADV_Y_SW_PLS
IC1955(5/5)
2P,7P,8P
TC74VHC08FT(EL) ADV_C_SW_PLS
+5V
R903
10k
VCC
CN101 (23/140)
23 ADV_Y_SW_PLS
GND
CN100 (23/140)
23 ADV_Y_SW_PLS
FROM SV-194
CN101 (21/140)
9 IC1955(3/5) 21 ADV_C_SW_PLS
8
TC74VHC08FT(EL) CN100 (21/140)
10 21 ADV_C_SW_PLS
12 IC1955(4/5)
11
TC74VHC08FT(EL)
13 CN101 (15/140) 15 SV-DM_JP0
CN101 (13/140) 13 SV-DM_JP1
CN100 (15/140) 15 SV-DM_JP0
CN100 (13/140) 13 SV-DM_JP1
9P L-NOR_PB
9P H-ANA_PB
9P DM_CS
9P SYIF2_CMD
9P SYIF2_RES
9P SYIF2_SCK
9P SYIF2_RDY
C
DM-121 (4/9) DM-121 (4/9)
+5V-21
IC901(1/3)
TC74HC4053AFT(EL) 16
14 VCC 12
COM 0
13
1
11
SEL
6
INH
VEE GND
7 8
-5V-21
IC901(2/3)
R910 TC74HC4053AFT(EL)
0
15 2
COM 0
1
1
10
10k
SEL
IC901(3/3)
TC74HC4053AFT(EL)
4 5
COM 0
3
1
9
SEL IC905
M62352GP-75ED
+5V-21
+5V-21 C906
0.022uF
IC902 (2/3)
16 11
TC74HC4053AFT(EL) C904
0.022uF
14 VCC 12 10 VCC
COM 0 VREFU
13
1
11 18
SEL AO1 DI
6 19
INH AO2
VEE GND 2
AO3 DO
7 8 3
AO4
4
AO5
-5V-21 5
IC902 (1/3) AO6
6
R906 TC74HC4053AFT(EL)
AO7
1k
4 5 7
COM 0 AO8
3 8
1 AO9
9 9
R907
SEL AO10 CK
100
12
AO11
CL902
13
AO12 LD
H:Y STILL DO
L:Y DO THRESHOLD 1
Q901
VREFL
DTC144EUA-T106 GND
20
+5V-31
IC903 (3/3)
16
TC74HC4053AFT(EL)
14 VCC 12
COM 0
13
1
11
SEL
6
INH
VEE GND
7 8
-5V-31
IC903 (1/3)
TC74HC4053AFT(EL)
R911
0
15 2
COM 0
IC906
1
1 M62352GP-75ED
10
10k
SEL C903
+5V-31 C907
100uF
100uF
6.3V
6.3V
IC903 (2/3)
TC74HC4053AFT(EL)
C908
4 5
0.022uF
COM 0
3
1
9 11
C905
SEL
0.022uF 10
VCC
VREFU
IC902 (3/3)
TC74HC4053AFT(EL)
18
15 2 AO1 DI
19
COM 0
1 AO2
2
1
10 AO3 DO
3
SEL
AO4
4
AO5
5
+5V-31
AO6
6
AO7
IC904 7
8 5
TC4W53FU(TE12R) AO8
R901 A 8
VDD 6
1k
1 AO9
9
7
R902 100 AO10 CK
INH VSS VEE 12
2 4 3
AO11
CL901 13
-5V-31 AO12 LD
+5V-8
1
VREFL
GND
H:C STILL DO
R905 R914
20
10k R912 0
L:C DO THRESHOLD
100 NM
C901
22pF
R913 R915
100 100
C902
22pF
CL904
CL905
4-40 (b) 4-40 (b)
D E
IC908
UPD78011BGC-608-AB8
41 35
X1 RESET
X901
42
X2
C909 C910
17
22pF 22pF
R926
10k
14 51
P14/AN4
52
P15/AN5
53
P16/AN6
54
P17/AN7
+5V
16
IC907(1/5)
R923
TC74HC4066AFT(EL) 10k
15 2 1 30 47
P63 P10/AN0
48
13 P11/AN1
49
P12/AN2
IC907(5/5)
50
TC74HC4066AFT(EL)
P13/AN3
43
+5V
IC
44
XT2
VCC 21
P53/A11
GND
1
P30/TO0
2
P31/TO1
3
P32/TO2
4
P33/TI1
5
P34/TI2
6
P35/PCL
7
P36/BUZ
8
P37
10
P40/AD0
11
P41/AD1
12
P42/AD2
13
P43/AD3
+5V
14
P44/AD4
15
P45/AD5 R1957
2.2k
16
IC907(2/5) P46/AD6
R922 R924 R925
17 TC74HC4066AFT(EL) 17
10k 10k 10k P47/AD7
4 3 29
P62
14
5
TC7SET08FU(TE85R)
19
P51/A9
9 8 28
P61
IC907(3/5)
6
TC74HC4066AFT(EL)
11 10 27 22 2
P60 P54/A12
23
P55/A13
12
16 25 1
P56/A14
IC907(4/5) 26
P57/A15
TC74HC4066AFT(EL)
15
18 31
P50/A8 P64/RD
32
P65/WR
33
P66/WAIT
39 34
P03/INT3 P67/ASTB
38 45
P02/INT2 P04/XT1
R930
100k
56
AVREF
36 55
P00/INT0/TI0 AVDD
57
P20/SI1
58
C913
P21/SO1
0.022uF
59
P22/SCK1
60 46
P23/STB AVSS
+5V
R916 100k 61 40
P24/BUSY VDD
R917 100k 62
P25/SI0/SB0
R918 100k 63
P26/SO0/SB1
0.022uF
R919 100k 64
P27/SCK0
R920 100k 37 24
P01/INT1 VSS2
R921 100k 20 9
P52/A10 VSS1
F
DM_SYS_RESET 9P
R928 R931
100k 100k
+5V
R929 R933
100k 100k
R935
S901
10k
1 2
ADJ
3 4
TIME
5 6
AGC OFF
7 8
DO ADJ
+5V-21
R932 R937
0 1k
NM
H-DO_ADJ 1P,2P
Q902
DTC144EUA-T106
H-AGC_ON 1P,2P
L-ADJ 3P
Y_RF_ENV 1P
C_RF_ENV 2P
H-SEARCH_TUNE_14M 1P
H-SEARCH_TUNE_6M 1P
H-SEARCH_SW_FLAT 1P
L-Y_DOP 1P
H-SEARCH_SW_LOW 1P
H-SEARCH_LPF_8M 1P
H-SEARCH_SW_MID 1P
+5V
R938
1k
1P,2P,3P ,4P
H-METAL
Q903
DTC144EUA-T106
L:METAL
1P,3P,4P ,7P
H-OXIDE
H_+18_TIMES 3P,4P
D901 +5V
CL-170G-CD-T R939
2.2k
Q904
DTC144EUA-T106
ADJUST
R941 (GREEN) CN100 (17/140)
SV_TAPE_SPEED 17
1k
CN101 (17/140)
SV_TAPE_SPEED 17
IC910
IC911(2/2)
R943
NJU7062M(TE2)
100k
+5V-21
+5V-21
C919
0.1uF
5
R940 R942
10k 10k
VCC 4 3 8
R944
A Y +
1k
1
SV_TAPE_SPEED 3P
C917 C918
2 -
0.022uF 0.022uF
B
C920
GND 4
470pF
3
+5V
IC911(1/2)
2
NJU7062M(TE2)
R927
5 VCC 6 +5V
0
DI DO 5
NM
3 1
CS NC1 + 7
C915
4 8 C916
100uF
SK NC2 0.022uF 6
6.3V -
GND
7
IC909
BR93LC46F-E2
R934 R936
100k 100k
+5V-8
DGND
E901
C911
100uF
6.3V
+5V
C914 C912
100uF
6.3V
BVW-55
G H