Sony STR-DA5500ES - Bi-amplifier Connection

STR-DA5500ES
126
IC8240, 8250 LTC3412EFE#TR
1SVIN
4VFB
5RT
6
SYNC/
MODE
7RUN/SS
8SGND
2PGOOD
3ITH
0.74V
0.86V
RUN
9 PVIN
10 SW
11 SW
12 PGND
13 PGND
14 SW
15 SW
16 PVIN
–
+
–
+
–
+
+
–
VOLTAGE
REFERENCE
+
–
SLOPE
COMPENSATION
RECOVERY
LOGIC
–
+
SLOPE
COMPENSATION
OSCILLATOR
–
+
+
–
ERROR
AMP
BURST
COMPARATOR
PMOS CURRENT
COMPARATOR
REVERSE
CURRENT
COMPARATOR
NMOS CURRENT
COMPARATOR
– A-VIDEO Board –
IC6001 NJM2586AM
CONT2
CONT2
CONT1
CONT1
CONT1
1CH1 IN1
2SW1
4SW2
24 CH1 OUT
23 PS
BIAS
3CH1 IN2
BIAS
5CH1 IN3
6GND
7V+1
BIAS
11GND
12CH2 IN3
BIAS
8CH2 IN1
9GND
BIAS
10CH2 IN2
BIAS
75:
DRIVER
6dB
AMP
22 CH2 OUT
75:
DRIVER
6dB
AMP
21 V+2
20 CH3 OUT
19 GND
18 V–2
16 V–1
17 CH3 IN1
75:
DRIVER
6dB
AMP
BIAS
15 CH3 IN2
BIAS
13 CH3 IN3
14 GND
BIAS
CONT2
IC6002 NJM2279M-TE2
SW 1
2
VIN 2
3
VIN 3
1
MUTE 2
4
VOUT 2
5
GND 2
6
GND 1
7
SW 2
13
VIN 1
12
V-
14
MUTE 1
11
VOUT 1
10
NC
9
V+
8
1
2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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