Read Sony STR-DG2100 Service Manual online
120
STR-DG2100
IC3854 CY2302-SXC-1T
IC3855 TC74VHC541FT(EL)
CONT2
CONT2
CONT1
CONT1
CONT1
1
CH1 IN1
2
SW1
4
SW2
24 CH1 OUT
23 PS
BIAS
3
CH1 IN2
BIAS
5
CH1 IN3
6
GND
7
V+1
BIAS
11
GND
12
CH2 IN3
BIAS
8
CH2 IN1
9
GND
BIAS
10
CH2 IN2
BIAS
75
Ω
DRIVER
6dB
AMP
22 CH2 OUT
75
Ω
DRIVER
6dB
AMP
21 V+2
20 CH3 OUT
19 GND
18 V–2
16 V–1
17 CH3 IN1
75
Ω
DRIVER
6dB
AMP
BIAS
15 CH3 IN2
BIAS
13 CH3 IN3
14 GND
BIAS
CONT2
– A_VIDEO Board –
IC6001, 6104 NJM2586AM
IC6101, 6102 LA7213
1
SYNC
SEP
V-SYNC
SEP
2 3
4
5
V IN
HD
VSS
VD
VDD
IC6103 LA73053-TLM-E
1
N. C.
2
N. C.
3
VIN1
4
DCCNT1
5
GND
6
VIN2
7
MUTE1
8
VIN3
9
N. C.
10
N. C.
11
N. C.
12
VIN4
13
DCCNT2
14
GND
15
VIN5
16
MUTE2
17
VIN6
18
–VCC4
36 N. C.
35 N. C.
34 +VCC1
33 VOUT1
32 GND
19 –VCC3
6dB
+VCC
DR
6dB
DR
6dB
DR
31 VOUT2
30 N. C.
29 VOUT3
28 –VCC1
27 –VCC2
26 N. C.
25 +VCC2
24 VOUT4
23 GND
22 VOUT5
21 N. C.
20 VOUT6
6dB
+VCC
DR
6dB
DR
6dB
DR
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
1
FBIN
2
IN
3
GND
4
FS0
6
OUT1
5
FS1
8
OUT2
7
VDD
OUTPUT
BUFFER
OUTPUT
BUFFER
/Q
PHASE
DETECTOR
CHARGE
PUMP
LOOP
FILTER
VCO
/2
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