Fostex FD-4 Service Manual page 53

MAIN, ROOT (1/9)
L7
L8
L11
L10
L14
J10
L13
AGND HP 1 1 2
A+12 2 1 2
AGND 3
A-12 4 1 2
MUTE 1 5 2
REC_L 6 1 2
REC_R 1 7 2
8283M7P
TO MIXER
W101
RCA-JACK-SW
J101
NON
3
2
1 2
L101
W201
REC IN
J201
NON
3
2
1 2
L201
RCA-JACK-SW
AGND
TP
W9
TO DISPLAY
DGND
-12V
GND2
TO DCDC GND2
+12V
GND1
GND1
TO HDD
AD-DA
A+12
AD-DA
AD_D1
AD_D1 AD_D1
DA_D[1..2]
DA_D[1..2] DA_D[1..2]
A-12 AGND LRCK
LRCK LRCK
BCK
MUTE MUTE BCK BCK
MSCK
MSCK MSCK
REC_L
REC_L REC_L
REC_R
REC_R REC_R
A+12
A+12 A+12
A-12 A-12
A-12
A+5
A+5 A+5
AGND AGND
AGND
D+5_1
D+5_1 D+5_1
DGND1 DGND1
DGND1
D+5
D+5 D+5
DGND DGND /RST_ADDA /RST_ADDA
/MUTE /MUTE
DGND
/RST /RST
R_MUTE[1..4] R_MUTE[1..4]
R_ADDA.SCH
A+12
W3
8
7
C1
6
1/50
5
4
3
+5V 2
+5V 1
BOADIN 8P
A-12 CONNECT
C7
1/50
W1
NC 1
2 D+5HD
3
4
BOADIN-4P
DGND
C10
10/16
C14
10/16
GATE ARRAY
AUDIO_IF
D[0..15]
AD_D1 AD_D1 D[0..15] D[0..15]
A[0..18]
DA_D[1..2] DA_D[1..2] A[0..18] A[0..18]
LRCK LRCK
/RD
BCK BCK /RD /RD
/WR
MSCK MSCK /WR /WR
VCO+5 SCSI_TMOUT
SCSI_TMOUT SCSI_TMOUT
SC_INT7I
VCO+5 VCO+5 SC_INT7I SC_INT7I
28MHZ
VCOGND VCOGND 28MHZ 28MHZ
VCOGND
/CS1
/CS1 /CS1
/CS_IDE
/CS_IDE /CS_IDE
/DACK1
/DACK1 /DACK1
/AIRQ1
/AIRQ1 /AIRQ1
IORDY1
IORDY1 IORDY1
/DREQ1
/DREQ1 /DREQ1
/ATA_INT1
/ATA_INT1 /ATA_INT1
D+5
/RST
D+5 D+5 /RST /RST
SCSI_CS
DGND DGND SCSI_CS SCSI_CS
DMA_SEL
DMA_SEL DMA_SEL
DGND
AUDIO_IF.SCH
/RST_ADDA
/MUTE
/RST
R_MUTE[1..4]
78M05 A+5
U1 L1
3 1
I O
50uH
C2
C4
0.1
0.1
CONNECT
C3
10/16 C18
AGND
0.1
78M05 VCO+5
U2 DGND
3 1
I O
C9
C8
10/16
0.1
VCOGND
D+5
L2
50uH
C13
C11
10/16
0.1
C12
0.1
DGND
D+5HD
L3
50uH
C17
C15
10/16
0.1
C16
0.1
DGND
CPU
CPU
D[0..15] D[0..15]
A[0..18] A[0..18]
/RD /RD
/WR /WR
SCSI_TMOUT SCSI_TMOUT
SC_INT7I SC_INT7I
28MHZ 28MHZ
/CS1 /CS1
/CS_IDE /CS_IDE
/DACK1 /DACK1
/AIRQ1 /AIRQ1
IORDY1 IORDY1
/DREQ1 /DREQ1
/ATA_INT1 /ATA_INT1
/RST /RST
SCSI_CS SCSI_CS
DMA_SEL DMA_SEL
A-12 A-12
/RST_ADDA /RST_ADDA
/MUTE /MUTE
D+5 D+5
R_MUTE[1..4] R_MUTE[1..4]
DGND DGND
D+5_1
CPU.SCH
C6
10/16
C5
0.1
DGND1
A-12
D+5
DGND