Parts List - Yamaha PSR-S750 Service Manual

X W V U
<Page 4>
PSR-S950 DM 001 CIRCUIT DIAGRAM (4/11)
1
CPU
IC1
R8A77310D333BG
AC11 NC
1/7 A0
A1 AD10 1 2
RA1
A2 AE9 3 4
68*4
A3 AB8 5 6
A4 AC10 7 8
A5 AB11 1 2
RA2
A6 AD9 3 4
2 68*4
A7 AC9 5 6
A8 AE8 7 8
AB10 1 2
A9
AD8 RA3 4
A10 3
68*4
AB9 6
A11 5
AE7 7 8
A12
AC8 1 2
A13
AD7 RA4 3 4
A14
68*4
AB6 5 6
A15
AE6 7 8
A16
AD6 RA5 1 2
A17
68*4
AC7 3 4
3 A18
AC6 5 6
A19
AE5 7 8
A20
RA6
AB7 1 2
A21
68*4
AD5 3 4
A22/PTE4
AC5 5 6
A23/PTE5
AE4 7 8
A24/PTE6
AB5
A25/PTE7
R6 68
AC1 7 8
D0
AB2 RA7 5 6
D1
68*4
D2 AA4 3 4
D3 U4 1 2
4
D4 AA1 7 8
RA8
D5 Y3 5 6
68*4
D6 Y1 3 4
D7 W3 1 2
D8 AB3 7 8
RA9 5
D9 AB1 6
AA3 68*4 3
D10 4
AA2 2
D11 1
Y4 7 8
D12
Y2 RA10 5 6
D13
W4 68*4 3 4
D14
W2 1 2
D15
5
+3.3D +3.3D
CPU NC
IC1
R8A77310D333BG
NC
2/7
AC2
CS0
6 R7
V4 NC
CS4 R8
68
AD11
CS5A/CE2A R9
68
CS5B/CE1A V3
R10
68
PTX6/CS6A/CE2B W1
68
TL6 CKO
CKO AE10
R11 68
RD AC3
R12 68
RDWR T4
R13 68
WE0 AD3
NC
WE1/WE AB4 AND
NC
WE2/ICIORD AE3 IC3
AC4 NC SN74LV21APWR
WE3/ICIOWR
A
1
7
B21 B RGB-WAIT
WAIT/PTR2 2
6 SWP-WAIT
+3.3D Y C
4
R1 SSP-WAIT
C10 D
RESETA 5
B9 10K
RESETP
D10 NC +3.3D
RESETOUT
R2
C8
TST
10K +3.3D X4
R3 KC3215A
D5 VDD
NMI 32.768K
1K
B4
PTJ0/IRQ0 NC VIO
C4
PTJ1/IRQ1 SSP-IRQ
004:F9
B3
PTZ1/KEYIN0/IRQ6 USB-IRQ
003:K7
H2 C146 0.1u
PTZ5/KEYIN4/IRQ7 EBUS-IRQ
004:Q15 (
8
R148
C18
PTD4/SDHID2/IRQ2 +3.3D
C16
PTQ0/SIOF0_MCK/IRQ3/SIM_D
NC
AD12
PTE0/IRQ4/BS
AE11
PTE1/IRQ5 PSWI 001:C9
MD0 A11
+3.3D
MD1 B11 A 9
MODE 0
B
MD2 C11 NC 10
BIG ENDIAN
8 Y C
MD5 D11 12
16bit BUS
R14 10K D
MD8 B10 +3.3D 13
IC3
R15 10K
TSTMD A10 SN74LV21APWR
9
MD3 AD4
DGND
DGND
A9
RCLK
A4
EXTAL
A3 NC
XTAL
A23 C3 0.1u
VDD_PLL +1.2D
A24
VSS_PLL
R20
C25 C4 C7
VDD_DLL
JC0.5
B25 10
VSS_DLL
0.1u
10u DGND
SH-TCK
10 A7
TCK
7 8 SH-TMS
D9
TMS
0*4 5 6 SH-TDI
B7
TDI
3 4 SH-TDO
D8 RA11
TDO
1 2
C7 SH-TRST
TRST
R16 0
D6 SH-ASEBRK
ASEBRK/BRKAK
R17 0 SH-MPMD
C5
MPMD
A6 NC
AUDCK
PTG0/AUDATA0 B6 NC
PTG1/AUDATA1 D7 NC
PTG2/AUDATA2 C6 NC
PTG3/AUDATA3 A5 NC
11
PTG4/AUDSYNC B5 NC
Internal clock:256MHz
External clock:64MHz
SDRAM clock:128MHz
No Mount
(Debug Board Only)
12 TO JTAG-SUB
+3.3D
CN2
52465-1471
SH-TCK SH-TCK NC
1 2
TCK NC
SH-MPMD
SH-TRST SH-TRST 3 4
TRST MPMD
SH-TDO
5 6
TDO GND
SH-ASEBRK SH-ASEBRK
7 8
ASEBRK +3.3D
SH-TMS SH-TMS
9 10
TMS GND
SH-TDI SH-TDI
13 11 TDI GND 12
13 GND 14
RESET
DGND
14
RESET
15
SSP RESET
16
17
PSR-S950
X W V U
T S R Q P
TRANSCEIVER
+3.3D
C20
( ) 0.1u
MA[1]
IC6 MA[2]
SN74LV245APWR
MA[3]
MA[4]
1 VCC 20
DIR
A[1] A[1] MA[5]
2 OE 19
A1
A[2] A[2] MA[1] MA[6]
3 B1 18 1 2
A2
A[3] A[3] RA17 MA[2] MA[7]
4 A3 B2 17 3 4
A[4] A[4] 27*4 MA[3] MA[8]
5 A4 B3 16 5 6
A[5] A[5] 15 MA[4] MA[9]
6 A5 B4 7 8
A[6] A[6] 14 MA[5] MA[10]
7 A6 B5 1 2
A[7] A[7] 8 13 RA18 MA[6] MA[11]
A7 B6 3 4
A[8] A[8] 9 12 27*4 MA[7] MA[12]
A8 B7 5 6
A[9] 10 11 8 MA[8] MA[13]
GND B8 7
A[10] MA[14]
DGND +3.3D
A[11] C21 MA[15]
( ) 0.1u
A[12] MA[16]
A[13] MA[17]
A[14] MA[18]
IC7
A[15] MA[19]
SN74LV245APWR
A[16] MA[20]
A[17] 1 VCC 20
DIR
A[9]
A[18] 2 A1 OE 19 M A
A[10] MA[9]
A[19] 3 A2 B1 18 1 2 M A
A[11] 17 RA19 MA[10]
A[20] 4 A3 B2 3 4 M A
A[12] 5 16 27*4 MA[11]
A[21] A4 B3 5 6 M A
A[13] 6 15 MA[12]
A[22] A5 B4 7 8 MA[25]
A[14] 7 14 1 MA[13]
A[23] A6 B5 2
A[15] 8 13 RA20 4 MA[14]
A[24] A7 B6 3
A[16] 9 12 27*4 6 MA[15]
A[25] A8 B7 5
MRD
10 11 7 8 MA[16]
GND B8
MWE0
D[0]
DGND +3.3D
C22
D[1]
( ) 0.1u
D[2]
D[3]
D[4] IC8
SN74LV245APWR
D[5]
D[6]
1 DIR VCC 20
D[7] A[17] 19
2 A1 OE
D[8] A[18] 3 18 MA[17]
A2 B1 1 2
D[9] A[19] 4 17 RA21 MA[18]
A3 B2 3 4
D[10] A[20] 5 16 27*4 MA[19]
A4 B3 5 6
D[11] A[21] 6 15 8 MA[20]
A5 B4 7
D[12] A[22] 7 14 1 2 MA[21]
A6 B5
D[13] A[23] 8 13 RA22 3 4 MA[22]
A7 B6
D[14] A[24] 9 12 27*4 5 6 MA[23]
A8 B7
MA[24]
D[15] 10 11 7 8
GND B8
DGND
+3.3D
C24 +3.3D
0.1u ( )
IC11
SN74LV245APWR
20 1
VCC DIR
19 2 7 MD[0]
OE A1 8
D[0] 18 3 RA23 5 6 MD[1]
B1 A2
D[1] 17 4 22*4 3 4 MD[2]
B2 A3
D[2] 16 5 1 2 MD[3]
B3 A4
D[3] 15 6 7 8 MD[4]
B4 A5
001:L4
PR-CS D[4] 14 7 RA24 5 6 MD[5]
B5 A6
001:B4 D[5] MD[6]
BR-CS 13 8 22*4 3 4
B6 A7
RGB-CS 003:L14 D[6] MD[7]
12 9 1 2
B7 A8
CS6A 001:R11 D[7]
11 10
B8 GND
+3.3D DGND
C25 +3.3D
RD RD
0.1u ( )
RDWR RDWR
WE0 WE0
IC12
IC3 +3.3D SN74LV245APWR
SN74LV21APWR
20 1
VCC DIR
14
VCC 11 19 2 7 8 MD[8]
NC OE A1
003:M15 3 NC D[8] 18 3 RA25 5 6 MD[9]
B1 A2
7 GND
004:Q12 D[9] 17 4 22*4 3 4 MD[10]
B2 A3
004:O12 D[10] 16 5 1 2 MD[11]
B3 A4
DGND D[11] MD[12]
15 6 7 8
B4 A5
D[12] MD[13]
+3.3D 14 7 RA26 5 6
X3 B5 A6
D[13] MD[14]
SG-3030LC 13 8 22*4 3 4
B6 A7
D[14] MD[15]
12 1 12 9 1 2
VCC VIO B7 A8
D[15]
Output 11 N.C. 2 11 10
N.C. B8 GND
10 N.C. 3
GND N.C.
9 N.C. 4
N.C.
DGND
8 N.C. 5
N.C.
7 GND 6
OUT
)
DGND
32.768K R50 27 RGB-WR
1/16W
+3.3D R51 27 USB-WR
680 R27
C23
0.1u R52 27 SWP-WR
DGND ( )
680
R53 27 SSP-WR
+3.3D
SSCG
MD[0]
IC9 R55 27 RGB-RD
MD[1]
4 1 SN74LV245APWR
R56 27 USB-RD
MD[2]
1 20 R57 27 SWP-RD
R28 2 DIR VCC MD[3]
3 RDWR
2 19 R58 27 SSP-RD
A1 OE MD[4]
680
3 18 R38 68
X1 A2 B1 MD[5]
R39 27 MWE0
SG-9001LB DGND 4 17
A3 B2 MD[6]
16M Spread rate 1.0% WE0 WE0 R40 27
5 16
A4 B3 MD[7]
X2 R41 27
6 15
DSO321SR A5 B4 MD[8]
R42 27 MRD
7 14
+3.3D A6 B5 MD[9]
RD RD R43 27
8 13
4 1 A7 B6 MD[10]
A[25] R44 27
9 12
A8 B7 MD[11]
R45 68 MA[25]
R29 10 11
3 2 GND B8 MD[12]
MD[13]
680
MD[14]
DGND +3.3D
IC28 C147
DGND MD[15]
HD74LV1G14ACME ( )
R153
1/16W
2 4
0.1u
A Y IC28
R30 68
HD74LV1G14ACME
1 NC 5
0 MA[1]
VCC
MA[2]
3 GND
MA[3]
MA[4]
DGND MA[5]
MA[6]
DECODER +3.3D MA[7]
MA[8]
C26 0.1u
IC10
001:T6
CS6A 1 VCC 16
1G 003:Q3
A[23]
2 2G 15
1A CS6B
A[24] A[23]
3 2A 14
1B
NC A[24]
4 1Y0 2B 13
R36 68 R46 68 SWP-CS
USB-CS 5 1Y1 2Y0 12
003:K7 NC
6 1Y2 2Y1 11 NC
NC 7 R47 68 WAV-CS
1Y3 2Y2 10
8 9 R48 68 SSP-CS USB-WR
GND 2Y3
NC USB-RD
DGND
INVERTER
:560 sec
IC5
TC74VHC14FT
R132 R130
3 4
DEV-RES 001:G11
5.6K 33
DGND
INVERTER
INVERTER
IC5 :1 sec IC5
TC74VHC14FT TC74VHC14FT
R59
R33
8 9 11 10 ROM-RES
1K 33
001:O5 004:U6,O6
IC5
TC74VHC14FT
SYSYTEM RESET
R60
13 12 H-RES 001:I14
+3.3D 33
DGND
R152
1/16W
INVERTER
100K
IC4 IC5
BU4229G-TR
TC74VHC14FT
TL25 RESET
5 1 5 6
CT VOUT
2
VDD
4 N.C. 3
GND
NC
DGND
DGND
Detect Voltage 2.9V
Nch Open Drain
Reset Time
min:0.604sec typ:1.109sec max:1.935sec
SYSYTEM RESET
+3.3D +3.3D
IC27
BU4229G-TR
5 1
CT VOUT SSP-IC 004:F9
2
VDD
4 3
N.C. GND
NC
DGND DGND
Detect Voltage 2.9V
Nch Open Drain
Reset Time
min:38msec typ:69msec max:121msec
T S R Q P
O N M L K
PRA[1]
7 8
PRA[2]
5 6
PRA[3]
RA35 3 4 FLASH ROM 64M BOOT PRG.
0*4 PRA[4]
1 2
PRA[5]
7 8
Extensible to 512Mbit
PRA[6]
5 6
RA36 PRA[7]
3 4
0*4 PRA[8] IC16
1 2
PRA[9]
7 8 PRA[24]
1 56 PRA[25]
PRA[10] A23 NC
5 6 PRA[23]
2 55
RA37 PRA[11] A22 NC NC
3 4 PRA[16] PRA[17]
3 54
0*4 PRA[12] A15 A16
1 2 PRA[15]
4 53
7 PRA[13] A14 BYTE#
8 PRA[14]
5 52
5 6 PRA[14] A13 VSS
PRA[13] MD[15]
6 51
RA38 3 4 PRA[15] A12 DQ15/A-1
PRA[12] 7 8 MD[7]
0*4 7 50
2 PRA[16] A11 DQ7
1 PRA[11] 0*4 5 6 MD[14]
8 DQ14 49
7 8 PRA[17] A10
PRA[10] RA40 3 4 MD[6]
PRA[18] 9 DQ6 48
5 6 A9
PRA[9] 1 2 MD[13]
PRA[19] 10 DQ13 47
RA39 3 4 A8
PRA[20] 7 8 MD[5]
0*4 PRA[20] 11 DQ5 46
1 2 A19
PRA[21] 0*4 5 6 MD[12]
12 DQ12 45
A20
PR-WE0 RA41 3 4 MD[4]
[ 2 1 ] P R A [ 2 1 ] 13 WE# DQ4 44
C33 1 2
[ 2 2 ] R62 0 P R A [ 2 2 ] 14 RESET# VCC 43
PRA[22] 0.1u MD[11]
[ 2 3 ] R63 0 P R A [ 2 3 ] 15 A21 DQ11 42
7 8 MD[3]
[ 2 4 ] R64 0 P R A [ 2 4 ] PR-WP 16 WP#/ACC DQ3 41
001:J10 17 0*4 5 6 MD[10]
R65 0 PRA[25] NC RY/BY# DQ10 40
PRA[19] 18 39 RA42 3 4 MD[2]
R66 0 A18 DQ2
PRA[18] 19 38 1 2 MD[9]
A17 DQ9
No Mount
PRA[8] 20 37 7 8 MD[1]
PR-RD A7 DQ1
PRA[7] 21 36 0*4 5 6 MD[8]
R67 0 PR-WE0 A6 DQ8
PRA[6] 22 35 RA43 3 4 MD[0]
R68 0 A5 DQ0
PRA[5] 23 34 1 2 PR-RD
A4 OE#
PRA[4]
24 33
A3 VSS 001:T6
PRA[3]
25 32
A2 CE# PR-CS
PRA[2] PRA[1]
26 31
A1 A0
27 30
NC NC NC NC
C34 C35
28 29
+3.3D NC NC VIO
0.1u 10u
+3.3D
DGND
DGND
001:P14
ROM-RES
DGND
+3.3D
CPU
PTC7 AC12
IOIS16/PTC5 AB12
3/7 +3.3D
NC
PTA4 R2
NC
PTA3 R1
NC
PTA2 P3
NC
PTA1 P2
PTY5/KEYOUT5/KEYIN5
J2
PTY4/KEYOUT4/KEYIN6 NC
K5
PTY3/KEYOUT3
J3
PTY2/KEYOUT2
UD[0] J4
NC
PTY1/KEYOUT1
7 8 UD[1] J1
NC
PTY0/KEYOUT0
22*4 5 6 UD[2] J5
RA27 3 4 UD[3]
PTT1/DREQ0
1 2 UD[4] K3
7 8 UD[5]
NC
PTZ4/KEYIN3
22*4 5 6 UD[6] H3
NC
PTZ3/KEYIN2
RA28 3 4 UD[7] G2 NC
PTZ2/KEYIN1
1 2 UD[8] C3
7 8 UD[9] NC
PTJ7/STATUS0
22*4 5 6 UD[10] C9
PTJ6
RA29 3 4 UD[11] A8 NC
PDSTATUS/PTJ5
1 2 UD[12] B8
R150
1/16W
7 8 UD[13]
5 UD[14] PTD7/SDHICD R78
22*4 6 D18 10K
3 UD[15] PTD6/SDHIWP B19
RA30 4 68 R83
2 PTD5/SDHID3 A19 R128
1 10K
PTD3/SDHID1 C20 10K R129
PTD2/SDHID0 B20
10K
UA[1] NC
PTD1/SDHICMD A20
7 8 UA[2]
PTD0/SDHICLK C19
0*4 5 6 UA[3]
RA31 3 4 UA[4]
PTK6/SIOF1_SS2 D13
1 2 UA[5]
PTK5/SIOF1_SS1 B13
7 8 UA[6] PTK4/SIOF1_SYNC
A13
0*4 5 6 UA[7] PTK3/SIOF1_SCK
B14
RA32 3 4 UA[8] PTK2/SIOF1_RXD
C14
1 2 PTK1/SIOF1_TXD
A14
PTK0/SIOF1_MCK
A15
PTQ6/SIOF0_SS2/SIM_RST
B15 R146
PTQ5/SIOF0_SS1
C15
PTQ4/SIOF0_SYNC
A16
PTQ3/SIOF0_SCK
D14
PTQ2/SIOF0_RXD/IrDA_IN
D15
PTQ1/SIOF0_TXD/SIM_CLK/IrDA_OUT
B16
R133
PTF6/SIOMCK
A17 R134
PTF5/SIOSCK
D16 R135
PTF4/SIOSTRB1
B17
NC
PTF3/SIOSTRB0
C17 R137
USB_BUS
PTF2/SIOD
003:N7 A18 NC
PTF1/SIORXD
B18 R138
PTF0/SIOTXD
D17
CPU_BUS
R85 68
003:W12 004:R8
PTS3/SCIF0_RTS D12
NC
PTS4/SCIF0_CTS C12 68 R81
PTS2/SCIF0_SCK/TPUTO B12
PTS1/SCIF0_RXD A12
PTS0/SCIF0_TXD C13
PTW0/SCIF1_RTS T3
PTW1/SCIF1_CTS U1
NC
PTA7/SCIF1_SCK
T2
NC
PTA6/SCIF1_RXD
T1
PTA5/SCIF1_TXD NC
R3 TL9
PTW5/SCIF2_RTS
V1 TL10
PTW6/SCIF2_CTS
V2
NC
PTW4/SCIF2_SCK
U3
PTW2/SCIF2_RXD
R4
PTW3/SCIF2_TXD
U2
IC1
R8A77310D333BG
ERR-DETECT
001:J10
Detection time:47ms
+3.3D
C32
0.1u
IC17
SN74LV21APWR
14 CPU ERROR
VCC 11
NC
NC DETECTION
NC 3 NC
7 GND
DGND
+3.3D
IC5
TC74VHC14FT
C19 0.1u
14
VCC
7 GND
DGND
O N M L K
J I H G F
Product :OFF
Dubug Board:ON
SW1
DGND
NC
AUX_IN-IN
001:D9
AUXIN-INSL,MIC-INS,HP-INS:
insert->input High
MIC-IN 005:D6
HP-IN 001:D9
USB-DREQ 003:K7
OR GATE
IC26
SN74LVC1G32DCKR
R87 68 1 A
NTSC/PAL 003:E9 SSP-PSWO R80 68
4
2 B Y PSWO 001:D9
004:C14
AND
ERR-DETECT 001:J14
R147
+3.3D DETECT-CHECK 1/16W SIOF-SYNC 004:V1
+3.3D B 1
001:G14 Y
68 4
A 2
R149
TC7SH08FU +3.3D
1/16W
IC25 C142
R88 10K 68 ( )
R89 10K AND
0.1u
DGND R90 IC26
IC19
BR-WP 001:C3 SN74LVC1G32DCKR
R91 68
68 TC7SH08FU 5
PR-WP 001:M3 VCC
R103 68 B
Y 1
4 A
3 GND
2
SIOF1-RXD 004:V2
R92 68 SIOF-SCK 004:P3
SIOF1-TXD 004:V3
R93 68 DGND
NAF-WP 002:S15
TRANSCEIVER
R94 68
+3.3D
68
C29 0.1u
R109
SIOF0-RXD IC13
004:V2
R95 68 SN74LV245APWR 220
SIOF0-TXD 004:V3
1 DIR VCC 20
68 2 19
A1 OE DEV-RES 001:R13
R71 68
68 3 18
A2 B1 USB-RES 003:I5
R70 68
68 4 17
A3 B2 SWP-IC 004:Q12
5 16 R69 68
A4 B3 RGB-RES 003:K14
68 6 15 NC
A5 B4
7 14 R75 68
A6 B5 DAC-IC 005:K2
INVERTER
68 8 13 R76 68
A7 B6 MIDI-IC 001:E12
BL-ON/OFF 006:B8 9 12
A8 B7 NC
+3.3D
10 11
IC5 GND B8 NC
R140
TC74VHC14FT
005:K2
DGND R102 10K
1 2
DA-MUTE DA-MUTE DGND 001:G12
DGND
006:G3,A3 68
MIDI-IC
R96 68
IC15
DampErr-Wo 006:G3
TC7WH14FU
DampErr-Tw 006:A3
3 5
NC
PTW5
+3.3D +3.3D
PTW6
C30
C41 0.1u
0.1u
SSP-RXD 004:F10 IC15 IC21
R97 68
SSP-TXD 004:F10 TC7WH14FU SN74LVC1G32DCKR
VCC 8 VCC 5
4 GND 3 GND
DGND
DGND
+3.3D SINGLE SHOT +3.3D
IC18
TC74VHC123AFT(EL,K)
1 16 AND
1A VCC
2 15
1B 1RX/CX
IC17
3 14
1CLR 1CX SN74LV21APWR R108
NC 4 13 DETECT 1/16W
1Q 1Q 5 D
DETECT-CHECK 001:J10
NC 5 12 NC 4 0
2Q 2Q C
Y 6 MUTE 001:D9
NC 6 11 2
2CX 2CLR H-RES B
R105
NC 7 10 001:P14 1 68
2RX/CX 2B A
8 9
GND 2A
C36
0.1u
AND
DGND
IC17
SN74LV21APWR
13 D
12 C
003:Q4 CPU-MUTE
Y 8 SP-OFF 006:A3,G3
10 B
R107
9 68
003:Q4 CPU-SP-OFF A
SYSYTEM
+3.3D
RESET
PV
IC24
S-80944CNNB
1 4
VSS OUT
2 3
VDD CD
DGND DGND 28CC1-2001092387-1 2
J I H G F
E D C B
MA[1] BRA[1]
MA[2] 1 2 BRA[2]
0*4
MA[3] RA44 3 4 BRA[3] FLASH ROM 64M BACKUP
MA[4] 5 6 BRA[4]
MA[5] 7 8 BRA[5]
Extensible to 256Mbit
MA[6] 0*4 1 2 BRA[6]
MA[7] RA45 3 4 BRA[7]
MA[8] 5 6 BRA[8] IC23
MA[9] 7 8 BRA[9]
BRA[24]
1 56 NC
MA[10] 0*4 1 2 BRA[10] A23 NC
BRA[23]
2 55
MA[11] RA46 3 4 BRA[11] A22 NC NC
BRA[16] BRA[17]
3 54
MA[12] 5 6 BRA[12] A15 A16
BRA[15]
4 53
MA[13] 7 8 BRA[13] A14 BYTE#
BRA[14]
5 52
MA[14] 0*4 1 2 BRA[14] A13 VSS
BRA[13] MD[15]
6 51 1 2
MA[15] RA47 3 4 BRA[15] A12 DQ15/A-1
BRA[12] MD[7]
7 50 RA49 3 4
MA[16] 5 6 BRA[16] A11 DQ7
BRA[11] MD[14]
MA[17] 8 DQ14 49 0*4 5 6
7 8 BRA[17] A10
BRA[10] MD[6]
MA[18] 1 9 DQ6 48 7 8
0*4 2 BRA[18] A9
BRA[9] MD[13]
MA[19] 4 BRA[19] 10 DQ13 47 1 2
RA48 3 A8
BRA[20] MD[5]
MA[20] 6 BRA[20] 11 DQ5 46 RA50 3 4
5 A19
BRA[21] MD[12]
MA[21] 7 8 BRA[21] 12 DQ12 45 0*4 5 6
A20
BR-WE0 MD[4]
R112 0 13 WE# DQ4 44 7 8
C44
MA[22] BRA[22] 14 RESET# VCC 43
R113 0
BRA[22] 0.1u MD[11]
MA[23] BRA[23] 15 A21 DQ11 42 1 2
RA51 MD[3]
MA[24] R114 0 BRA[24] BR-WP 16 WP#/ACC DQ3 41 3 4
001:J10 17 0*4 MD[10]
R115 0 NC RY/BY# DQ10 40 5 6
BRA[19] 18 39 MD[2]
A18 DQ2 7 8
BRA[18] 19 38 1 2 MD[9]
MRD BR-RD A17 DQ9
BRA[8] 20 37 RA52 4 MD[1]
MWE0 R117 0 BR-WE0 A7 DQ1 3
BRA[7] 21 36 0*4 6 MD[8]
R118 0 A6 DQ8 5
BRA[6] 22 35 7 8 MD[0]
A5 DQ0
BRA[5] 23 34 BR-RD
A4 OE#
BRA[4]
24 33
A3 VSS
BRA[3] 001:T6
25 32
A2 CE# BR-CS
BRA[2] BRA[1]
26 31
A1 A0
27 30
NC NC NC NC
C45 C46
28 29
NC NC VIO
0.1u 10u
+3.3D
DGND
CN3
B6B-ZR-SM4-TF(LF)(SN)
TL11
1 AGND
TL12
001:G9 PSWO 2
R126 68 TL13 to AJACK-CN1
3
001:U9 PSWI
R141 68 TL14 <Page 10: V-7>
001:G14 4
MUTE
R124 68 TL15
5
001:J8 HP-IN
R123 68 TL16
6
001:J8 AUX_IN-IN
+3.3D +3.3D
C141
( ) DGND
C38
0.1u
IC25
0.1u
( ) TC7SH08FU
5 5
VCC VCC
IC19
3 GND 3 GND
TC7SH08FU
DGND DGND
PHOTO COUPLER
+5D
JK2
INVERTER
YKF51-5050
IC22
HCPL-M600 FG
IC15 IC15
TL19 1
TC7WH14FU R119 L1
TC7WH14FU 6 VCC A 1 C43 4
TL20
220 ( )
7 1 2 6 5 VO 2
TL21 MIDI IN
3 L2 0.01u
4 GND C
1SS355_TE-17 5
3
FG
DGND
DGND
+3.3D
JK1
YKF51-5050
OR GATE
FG
R121
IC21 1
1/16W L3 TL22
SN74LVC1G32DCKR 4
1 A 47 TL23
R120 2 MIDI OUT
Y 4
2 B 1/16W L4 TL24
47 C57 5
3
( )
FG
0.1u
C58
( )
0.1u
C59
DGND
( )
0.1u
C60
( )
0.1u
DGND FG
+3.3D
C61 C71 C81 C91 C101 C111 C121 C131
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C62 C72 C82 C92 C102 C112 C122 C132
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C63 C73 C83 C93 C103 C113 C123 C133
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C64 C74 C84 C94 C104 C114 C124 C134
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C65 C75 C85 C95 C105 C115 C125 C135
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C66 C76 C86 C96 C106 C116 C126 C136
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C67 C77 C87 C97 C107 C117 C127 C137
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C68 C78 C88 C98 C108 C118 C128 C138
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C69 C79 C89 C99 C109 C119 C129 C139
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
C70 C80 C90 C100 C110 C120 C130 C140
( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
DGND
Not installed
Note : See parts list for details of circuit board component parts.
E D C B
A
PSR-S950
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
PSR-S950
A