Yamaha BD-S677 Service Manual page 39

A B
1
MAIN 9/9
M12V_T
2
TPIC_B+
TPIC_B-
TPIC_A+
TPIC_A-
C536 0.1uF
C537 0.1uF C537 0.1uF
M3.3V
M
C538 0.1uF
R520 33K FG
R527 33K GAINSW3
GIO4
TYPWM#
FMO1
3
FMO2
MUTE1
C541
TP64
1uF
C542 0.1uF
MVCC_T
M
4
to BD mechanism unit
R524
TPIC_COMMON R525
R526
5
9
8
7
6
5
4
3
2
1
1000pF/NC
6
HA2
M
9PIN_FFC
HEADER 09 SMD 1.0 Bottom
C550
1000pF/NC
7
C D
MOTOR DRIVER TI2050G4
MVCC_T
U502
1 56
SLED1_P P5V_2
2 55 TPIC_CO_A-
SLED1_N STP2_N
3 54 TPIC_CO_A+ C534
P12V_3 STP2_P
4 53 TPIC_CO_B- 0.1uF
SLED2_P STP1_N
5 52 TPIC_CO_B+
SLED2_N STP1_P
6 51
PGND_2 AGND
7 50
C10V ISENSE
8 49 TPIC_COMMON
CP1 MCOM
9 48
CP2 ICOM2
10 47 TPIC_W
CP3 W
TP62 11 46
GPOUT P12V_2
12 45 TPIC_V
XFG V
13 44
RDY ICOM1
14 43 TPIC_U
SSZ U
15 42
SCLK P12V_1
16 41
SIMO PGND_1
17 40 TPIC_FR-
SOMI FCS_N
18 39 TPIC_FR+
SIOV FCS_P
19 38 TPIC_TR-
XRSTIN TRK_N
37
20 TPIC_TR+
TEST1 TRK_P
21 36 TPIC_TILT+
VLDDIN TLT_P
22 35 TPIC_TILT-
CV3P3 TLT_N
23 34
MVCC_T
AGND/DGND P5V_1
24 33
A9P5V TEST3
25 32 TP65
ILDD_BD TEST2
26 31 R522 0
ILDD_DVD P5V12L
27 30 TPIC_LOAD- R523 NC
ILDD_CD LOAD_N
28 29 TPIC_LOAD+
CA5V LOAD_P
TPIC2050G4
C543
0.1uF
M
1K TPIC_U
1K TPIC_V
1K TPIC_W
TPIC_U
S80_U
TPIC_V DIP5/W/H/P2.0
S80_V
TPIC_W HEADER 5P/2.0
S80_W
1
TP75
2
TP30
C544 C545 C546 3
TP61
NC NC NC 4
TP73
5
TP74
C547
M J15
TPIC_B+
S80_B+
TPIC_B-
S80_B-
TPIC_A+
S80_A+
TPIC_A-
S80_A-
to BD mechanism unit
C551 C552 C553 C554
NC NC NC NC
M
E F
MOTOR DRIVER Separate this +12V trace
and other +12V
element(audio
buffer,VCC_BD_LD) from the
power source connector.
+12V
C535 R511 1
10uF/16V R512 1
R514 1
R513 1
R515 1
R516 1
R517 1/NC
R518 1/NC
R519 1/NC
R521 1/NC
M12V_T
VCC
M
BLM18SG121TN1(120/3A/0.025)
C539 C540
0.1uF 10uF/16V
M
MVCC_T
M12V_T
LOADER CONNECTOR
NETWORK_STBY
1/9 ,5/9, 8/9
R968 0
8/9
FMO2
TRAYOUT#
TRAYOUT# 8/9 8/9 FMO1
8/9 TYPWM#
TRAYIN#
TRAYIN# 8/9 8/9 FG
TPIC_LOAD+
TPIC_LOAD-
8/9 MUTE1
C548 C549
0.01uF 0.01uF
8/9 GIO4
C0402/SMD C0402/SMD
8/9 GAINSW3
TPIC_CO_B+
TPIC_CO_B-
M
TPIC_CO_A+
TPIC_CO_A-
TPIC_TILT-
TPIC_TILT+
TPIC_TR-
TPIC_TR+
TPIC_FR-
TPIC_FR+
G H
M12V_T M12V_T
F102
3A
C174 C180 C186
22uF 10uF 0.1uF
M
MVCC_T
MVCC_T
FB7
C205 C207 C183 C182
22uF 10uF 0.1uF 0.1uF
M
3.3V
FB8
BLM18SG121TN1(120/3A/0.025)_NC
3 2
Q205
R44 C217 DMP3098L
20K 0.1uF/16V/X7R
NETWORK_STBY R101 R101 1K 1K 1 Q5
2N3904
R42 10K
M
FMO2
FMO1
TYPWM#
FG
MUTE1
GIO4
GAINSW3
S80_CO_B+
S80_CO_B+ 8/9
S80_CO_B-
S80_CO_B- 8/9
S80_CO_A+
S80_CO_A+ 8/9
S80_CO_A-
8/9
S80_CO_A-
S80_TILT-
S80_TILT- 8/9
S80_TILT+
S80_TILT+ 8/9
S80_TR-
8/9
S80_TR-
S80_TR+
S80_TR+ 8/9
S80_FR-
8/9
S80_FR-
S80_FR+
8/9
S80_FR+
★ Components having special characteristics are marked ⚠ and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
I J
BD-S677
DRIVER POWER
C177 C208
0.1uF 0.1uF
C209 C210
0.1uF 0.1uF
M3.3V
C200
C187 4.7uF
0.1uF
M
39