Sony STR-DB2000 Service Manual

STR-DA2000ES/DB2000
3939
6-24. SCHEMATIC DIAGRAM – UP CONVERTER Board (STR-DA2000ES only) – • See page 68 for Waveform. • See page 69 for IC Block Diagrams.
C3136
R3142 L3101R3106
C3100
R
3143
C3101
R3101
R3102
FB3102
C3102
CN3101
Q3100
Q3102
Q3101
R3103
R3146
R3104 R3105
C3110
C3109
C3108
C3107
C3104
C3117
C3116
L3102
C3114
C3115
R3110
C3112
C3113
C3105
C3106
L3100
100µH
Q3108
Q3103
R3111
R3123
R3112
R3124
C3124
C3118
L3104
27µH
27µH
C3119 R3113
R3125C3125
L3103 C3126
R3126
R3114
C3120
C3138
C3137
R3137
C3129
C3127
C3135R3136
C3131
X3100
R3138
R3141
C3134
R3139
C3132
R3140
C3133
IC3101
IC3100
C3123
C3121C3103
R3128 R3130
R3144
Q3112
Q3111
R3134R3133
R3116R3115
R3145
R3118
Q3106
Q3104
R3120
Q3109
FB3101
Q3107
Q3105
Q3110
R3132
R3108R3107 R3121 R3122
R3117
R3129R3127
FB3103
R3131L3105
33µH
C3111
C3130
C3128
0.1
75
820
22p
75
12p
1.2k
6.8k
47
10V
7P
2SC2712
2SA1162
2SC2712
560
270
1.2k 820
0.01
0.01
0.47 50V
0.01
47
10V
100
10V
0.1
0.01
0.01
820
180p
0.01
100
10V
0.1
2SC2712
2SC2712
820
820
560
560
22p
22p 12p 1.2k
1.2k12p
0.1
6.8k
6.8k
47
10V
47
10V
0.1
10k
0.01
56p
15p10k
0.01
3.5795MHz
5.6k
390
0.47
50V
15k
390p
1M
560p
MM1093NF
TC90A45F
100
10V
0.10.1
1.2k 100
1k
2SA1162
2SA1162
150560
1.2k560
680
100
2SA1162
2SC2712
12k
2SC2712
2SA1162
2SC2712
2SC2712
12k
56012k 560 150
820
820560
390
0.01
4.7
50V
2.2
50V
+5V
GND
V
Y
C
AVSS
VRB
VRT
ADIN
BIAS1
TEST
DVDD
AVDD
YOUT
BIAS2
COUT
BIAS3
VFIL
DVSS
KILLER CKIN
OSC R
VCC1
VCC2
OSC C
FILTER
APC2
OUTPUT
4FSC
FILTER
BURST GATE
COMPOSITE
INPUT
CHROMA
INPUT
ACC
FILTER
APC1
FILTER
X'TAL
GND1
GND2
FSC
OUTPUT
NC
VIDEO SYNC SEPARATOR
VIDEO BUFFER
Q3100-3102
Q3108-3112
C SYNC BUFFER
Y SYNC BUFFER
CLOCK GENERATOR
Q3103-3107
+7V
(Page 37)

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English