Sony STR-DA5500ES Service Manual Digest page 126

STR-DA5500ES
QQ
3 7 63 1515 0
IC8240, 8250 LTC3412EFE#TR
SVIN 1
VOLTAGE
REFERENCE
+
–
ERROR
PGOOD 2
AMP
ITH 3
+
0.74V
VFB 4 –
+
0.86V –
OSCILLATOR
RT 5
LOGIC
SYNC/
6
MODE
RUN/SS 7 RUN
SGND 8
TE
L 13942296513
– A-VIDEO Board –
IC6001 NJM2586AM
CH1 IN1 1
SW1 2
BIAS
CONT2
CH1 IN2 3
SW2 4
BIAS
CH1 IN3 5
GND 6
BIAS
V+1 7
CH2 IN1 8
GND 9
BIAS
CONT2
CH2 IN2 10
GND 11
BIAS
CH2 IN3 12
BIAS
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126
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–
+
+
BURST
–
COMPARATOR
SLOPE
COMPENSATION
RECOVERY
PMOS CURRENT
COMPARATOR
+
–
SLOPE
COMPENSATION
NMOS CURRENT
COMPARATOR
+
–
–
+
REVERSE
CURRENT
COMPARATOR
6dB 75
CONT1 AMP DRIVER
24 CH1 OUT
23 PS
6dB 75
AMP DRIVER
CONT1
22 CH2 OUT
21 V+2
6dB 75
AMP DRIVER
CONT1
20 CH3 OUT
19 GND
18 V–2
17 CH3 IN1
BIAS 16 V–1
CONT2
15 CH3 IN2
14 GND
BIAS
13 CH3 IN3
BIAS
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2 9
8
16 PVIN
15 SW
14 SW
13 PGND
12 PGND
11 SW
10 SW
9 PVIN
Q Q
3 6 7 1 3 1 5
IC6002 NJM2279M-TE2
VIN 3 1
SW 1 2
3
VIN 2
4
MUTE 2
VOUT 2 5
GND 2 6
GND 1 7
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
14 V-
13
SW 2
12
VIN 1
11
MUTE 1
2 1 10
VOUT 1
9 NC
8 V+
m
9 9
9 9