Aclass Board - Sony STR DA2400ES - 7.1 Channel Home Theater AV Receiver Service Manual

STR-DA2400ES/DG920
– ACLASS Board –
IC400, 500, 600, 700 μPC2581V-S
PROTECTOR
PRE
REG DRIVE
DRIVE
1 4 5
2 3
– VIDEO Board –
IC6001, 6104 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
IC6302 NJM2595M-TE2
VOUT1 1
SW5 2
VIN5 3
SW3 4
VIN4 5
SW4 6
VIN3 7
V– 8
82
BIAS CIRCUIT
PRE
DRIVE
DRIVE
6 8 9
7 10 11 12
6dB 75
AMP DRIVER
CONT1
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
6dB 75
AMP DRIVER
6dB 75
AMP DRIVER
6dB 75
AMP DRIVER
13 14 15
IC6101, 6102 LA7213
SYNC
SEP
1
16 V+
15 VOUT2
14 SW1
13 VIN1
12 GND
11 VOUT3
10 SW2
9 VIN2
V-SYNC
SEP
2 3 4 5