Sony BVW-55 Maintenance Manual page 696

1
2
3
4
5
A B
AU-262 (4/4) AU-262 (4/4)
CN11(54/100) 54 H-CH1_REC_MUTE
CN11(56/100) 56 H-CH2_REC_MUTE
CN11(58/100) 58 H-CH1_PB_MUTE
60
CN11(60/100) H-CH2_PB_MUTE
CN11(77/100) 77 CH1_H-EE/L-PB
CN11(78/100) 78 CH2_H-EE/L-PB
CN11(75/100) 75 CH1_H-PB/L-REC
CN11(76/100) 76 CH2_H-PB/L-REC
+3.3V
R815
100k
CN11(63/100) 63 AU_POWER_SAVE1 AU_POWER_SAVE1
CN11(64/100) 64 AU_POWER_SAVE2
R816
100
R814
100k
GND-2
CN11(89/100) 89 AU-APR_JP1
CL800
CN11(91/100) 91 AU-APR_JP2 CL801
CN11(62/100) 62 L-METAL/H-OXIDE
R811
100k
GND-2
73
CN11(73/100) L-LIM/H-AGC
R812
100k
GND-2
CN11(74/100) 74 L-MANUAL
R813
100k +3.3V
GND-2
R810
100k
CN11(79/100) 79 H-CH1_BIAS_ON
CN11(80/100) 80 H-CH2_BIAS_ON
CN11(82/100) 82 L-NR_ON
90
CN11(90/100) H-ATT_ON
CN11(92/100) 92 H-SLOW_EQ_ON
CN11(94/100) 94 H-METAL
IC953 (3/3) 3.3uF
TC74HC4538AFT(EL)
+5V
GND-2
T1
VCC 5
C805
0.1uF
GND 4
+5V
GND-2
GND-2
IC953 (1/3)
TC74HC4538AFT(EL)
4-22
C D
+3.3V
IC800
SN74HCT541APW-E05
+5V
RB802
100k
20
2 VCC 18
A1 Y1
3 17
A2 Y2
4 16
A3 Y3
5 15
A4 Y4
6 14
A5 Y5
7 13
A6 Y6
8 12
A7 Y7
9 11
A8 Y8
1
G1
19
RB800 G2
100k GND
IC807 (3/3)
10
TC7W32FU(TE12R)
+5V
GND-2
GND-2
VCC
GND
GND-2
R809
0
4P H-EE
4P
L-TC_INSERT 3P
IC803
TC7SET08FU(TE85R)
+5V
5
2 VCC 4
A Y
1
B
GND
3
GND-2
+5V
IC804
5 TC7SET08FU(TE85R)
2 VCC 4
A Y
1
B
GND
3
GND-2
+5V
IC805
5
TC7SET08FU(TE85R)
2 VCC 4
A Y
1
B
GND
3
GND-2
+5V
IC951
TC7SET08FU(TE85R)
C854
R859 +5V
16V 220k
NM R959
0
NM
5
1P,4P
1 2 CH1_H-EE/L-PB
2 VCC 4
T2 6 4P CH1_H-REC/L-PB A Y
Q R960
0
1
7 4P
H-P-SAVE_EN B
Q R953 GND
CD 0
R954
3
100k
3
NM
GND-2
GND-2
4-22
E F
H-CH1_REC_MUTE
H-CH2_REC_MUTE
H-CH1_PB_MUTE
H-CH2_PB_MUTE
+12V
Q801
DTC144EUA-T106
R804
R802 4.7k
IC807 (1/3) Q803
47k
TC7W32FU(TE12R) 2SA1611T1-M5M6
1
7
D801
2
1SS300-TE85L
C803
0.047uF
CH1_EE/PB_FET
GND-2
R805
47k
-12V
CH1_H-EE/L-PB
+12V
Q804
IC801 (3/3)
DTC144EUA-T106
TC7W04FU(TE12R)
R807
R806 4.7k
IC807 (2/3) Q805
3 5
47k
TC7W32FU(TE12R) 2SA1611T1-M5M6
5
R817
3
D802 100k
6
1SS300-TE85L
C804
0.047uF
GND-2
CH2_EE/PB_FET
GND-2
R808
47k
-12V
CH2_H-EE/L-PB
CH1_H-PB/L-REC
CH2_H-PB/L-REC
IC802 +12V
TC7SH04FU-TE85R
1 7
CH1_H-REC/L-PB
+5V
IC801 (1/3)
Q800
TC7W04FU(TE12R)
DTC144EUA-T106
R801
R800 4.7k
Q802
5
47k
2SA1611T1-M5M6
VCC
2 4
D800
A Y
1SS300-TE85L
C802
GND
0.047uF
3 METAL/OXIDE_FET
R803
47k
GND-2
-12V
1P,2P,3P
H-METAL/L-OXIDE
H-OXIDE/L-METAL 1P,2P,3P
1P
L-LIM/H-AGC
IC801 (2/3)
TC7W04FU(TE12R)
+5V
L-MANUAL
8
6
2
L-AGC/LIM
4
GND-2
H-CH1_BIAS_ON
H-CH2_BIAS_ON
L-NR_ON
H-ATT_ON
H-SLOW_EQ_ON
H-METAL
Q951
+5V +5V-2 +5V-4
NDS356AP
IC952 (3/3)
VCC
TC7W32FU(TE12R) Q952
R951 C951
100k 0.22uF
DTA144EUA-T106
GND
R952
10k
GND-2
IC952 (1/3)
IC952 (2/3)
R955 TC7W32FU(TE12R)
TC7W32FU(TE12R) Q953
10k
1
DTC144EUA-T106
7 5
2 3
6
C952 R956
100pF 10k
GND-2
+5V
GND-2 R957 C953
100k 0.22uF
C954 R958
3.3uF 82k
16V
Q954
-5V-2 NDS355AN -5V-4
15 14
GND-2
T2
T1 10 H-EE
Q
11
12 9
Q
CD
+5V
GND-2
13
IC953 (2/3)
TC74HC4538AFT(EL)
G
1P
1P
2P
2P
1P
1P,4P
1P
1P
2P,3P
2P,3P
4P
1P
1P
1P
3P
3P
1P
2P
2P
2P
4P
BVW-55
H