Yamaha SB168-ES Service Manual page 146

H G
DA CIRCUIT DIAGRAM (SB168-ES)
8 7 6
28CC1-2001008799 1
F E
OUTPUT +4dBu
5 4
: Metal Film Resistor（金属被膜抵抗）
: Mylar Capacitor（マイラーコンデンサ−）
: Not installed（未実装）
D C
3 2 1
DA CIRCUIT DIAGRAM (SB168-ES)
B A
SB168-ES
LM2990SX-15 (X3949A0R) LM2940CSX-15 (X4365A0R)
REGULATOR -15V REGULATOR +15V
DA: IC002 DA: IC001
1
TAB IS TAB IS
INPUT GND
1 1
2 2
3 3
1: INPUT
1: COMMON
2: INPUT 2: GND
3: OUTPUT
3: OUTPUT
NJM78L05UA (XJ598A0R)
NJM7805DLA (XW674A0R)
REGULATOR +5V
REGULATOR +5V
DA: IC907–910
DA: IC003
2
1
2
3
1
3
1: OUTPUT 1: INPUT
2
2: GND 2: GND
3: INPUT 3: OUTPUT
2SC2712 (VJ92710R) 2SB1132 (VG013300)
TRANSISTOR TRANSISTOR
DA: TR001 DA: TR004
3
3
1
2
1
2
2
3
1
1 1: BASE 1: BASE
2: COLLECTOR
2: EMITTER
3
2 3: COLLECTOR 3: EMITTER
2SA1052 (VQ39560R)
2SD1915F (VK432900)
TRANSISTOR
TRANSISTOR
DA: TR003
DA: TR101, TR102, TR201, TR202,
TR301, TR302, TR401, TR402,
TR501, TR502, TR601, TR602,
3
3
TR701, TR702, TR801, TR802
2
1
3
2
2
1: EMITTER
3
1: EMITTER
2: BASE
2: COLLECTOR
1 3: COLLECTOR 1
1 2 3: BASE
3
4
5
DA Converter
17
6