Sony BVW-55, Maintenance Manual

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4-116
BVW-55
4-116
2
3
4
5
A B C D E F G H
1
SV-206 (7/8) SV-206 (7/8)
CN301(8/25) 8 CH-2_BIAS_CLOCK_X
+5V
TC74VHC393FT(EL)
(2/3) IC806
CK
13
CLR
12
QD
8
QC
9
QB
10
QA
11
+5V
C804
22pF
C801
33pF
X800
+5V
TC74HC4538AFT(EL)
(1/3) IC804
5
4
CD
3
Q
7
Q
6 T2
2
T1
1
C800
33pF
TC74VHC74FT(EL)
(1/3) IC803
D
2
CK
3
CLR
1
Q
6
Q
5
PR
4
RV800
500k
1
2
3
R805
270
C805
10pF
CN301(5/25) 5 CH-1-BIAS_CLOCK_Y
R803
56k
TC74VHC74FT(EL)
(2/3) IC803
D
12
CK
11
CLR
13
Q
8
Q
9
PR
10
TC74HC4538AFT(EL)
(2/3) IC804
11
12
CD
13
Q
9
Q
10 T2
14
T1
15
R800
47k
+5V
+5V
IC8000
TC7SH04FU-TE85R
3
GND
5
VCC
2
A
4
Y
C803
0.1uF
+5V
R809
1k
IC802
TC7SH08FU-TE85R
2
A
1
B
3
GND
4
Y
5
VCC
R801
1M
+5V
+5V
SN74HC02APW-E05
IC807 (4/5)
11
12
13
R802
47k
C840
0.1uF
+5V
C802
0.1uF
TC74VHC393FT(EL)
(1/3) IC806
CK
1
CLR
2
QD
6
QC
5
QB
4
QA
3
IC810
TC7SH00FU-TE85R
1
B
3
GND
4
Y
5
VCC
2
A
R806
270
+5V
CN301(7/25) 7 CH-1_BIAS_CLOCK_X
CN301(6/25) 6 CH-2_BIAS_CLOCK_Y
0 R807
0 R808
+5V
SN74HC08APW-E05
IC805 (3/5)
9
10
8
SN74HC4040APW-E05
IC801
CLK
10
RST
11
VSS
8
Q12
1
Q11
15
Q10
14
Q9
12
Q8
13
Q7
4
Q6
2
Q5
3
Q4
5
Q3
6
Q2
7
Q1
9 VDD
16
OSC_ON/OFF
L-SY_RESET
L-REC_INHIBIT
f=262KHz
f=131KHz
f=524KHz
f=87.3KHz
f=43.6KHz
RV800;ERASE PHASE
f=8.38MHz
2P
1P
2P