Schematic Diagram - Display Board, Tuning Board, Power Board - Sony STR-K680 Service Manual

3-16. SCHEMATIC DIAGRAM – DISPLAY BOARD, TUNING BOARD, POWER BOARD –
R136 R135 R134 R133
1k 680 470 330
S136 S135 S134 S133 S132
S114
R115
1k
S115
S152
CN102
4P
STR-K680/K780
R154
JW
IC102
RPM7240-H9
C114
0.22
R153
100
R137 R138 R139
1.5k 2.2k 4.7k
S137 S138 S139
CN103
3P CN101
7P
R132
220
S131
RV102
ENCODER, ROTARY
VOLUME
• See page 35 for IC Block Diagram.
C108
0.22
R198
*
FL101
C101
0.22
IC100
R150 PT6315
82k
C112
C110
100p C111
2200p
100p
C100
0.22
C115
10
50V
C152
C151
C150
220p
10
0.22
50V
IC101
TC74ACT08P
L102
JW
C153 C154
220p 220p
CNS100
19P
29 29
C109
0.22
R199
*
R175
10
C144
0.22
R101 R102
220 330
S100 S101 S102 S103
L103
JW
R111 R112
220 330
C157
C156
0.22 0.22
S110 S111 S112
L101
C155
JW
0.22
20
STR-K680/K780
R107 R108
R103 R104 R105 R106
2.2k 4.7k
470 680 1k 1.5k
S104 S105 S106 S107 S108
R113 R114 R116
470 680 1.5k
S116
S113