JVC DR-MH20SE Service Manual page 29

ATAPI Interface section
ATA2_RESET
ATA2_DAT[0-15]
5 ATA2_DAT[0-15]
ATA2_DMARQ
ATA2_IORDY
ATA2_INTRQ
TO
ATA2_DIOW[L]
ATA2_DIOR[L]
SHEET 4
ATA2_DMAACK[L]
ATA2_ADD[0-4]
ATA2_ADD[0-4]
D5.0V
D5.0V
D3.3V
D3.3V
GND
GND
4
3
P_CTL[H]
ATA_RESET
ATA_DAT[0-15]
ATA_DAT[0-15]
TO SHEET 4
ATA_DMARQ
ATA_IORDY
ATA_INTRQ
2
ATA_DIOW[L]
ATA_DIOR[L]
TO SHEET 4
ATA_DMAACK[L]
ATA_ADD[0-4]
ATA_ADD[0-4]
1
A
ATA_DAT[7] #
RA2201
ATA_DAT[8] OPEN
ATA_DAT[6]
ATA_DAT[9]
#
ATA_DAT[5] RA2202
OPEN
ATA_DAT[10]
ATA_DAT[4]
ATA_DAT[11]
#
ATA_DAT[3] RA2203
OPEN
ATA_DAT[12]
ATA_DAT[2]
ATA_DAT[13]
#
ATA_DAT[1] RA2204
OPEN
ATA_DAT[14]
ATA_DAT[0]
ATA_DAT[15]
#
RA2205
OPEN
#
IC2201 SN74CBTD16210
NC 1OE
1A1 2OE
ATA_DAT[7]
1A2 1B1
ATA_DAT[8] ATA_DAT[7]
1A3 1B2
ATA_DAT[6] ATA_DAT[8]
1A4 1B3
ATA_DAT[9] ATA_DAT[6]
1A5 1B4
ATA_DAT[5] ATA_DAT[9]
1A6 1B5
GND GND
ATA_DAT[10] ATA_DAT[5]
1A7 1B6
ATA_DAT[4] ATA_DAT[10]
1A8 1B7
ATA_DAT[11] ATA_DAT[4]
1A9 1B8
ATA_DAT[3] ATA_DAT[11]
1A10 1B9
ATA_DAT[12] ATA_DAT[3]
2A1 1B10
ATA_DAT[2] ATA_DAT[12]
2A2 2B1
ATA_DAT[2]
VCC 2B2
ATA_DAT[13] ATA_DAT[13]
2A3 2B3
# C2201
0.1
GND GND
ATA_DAT[1] ATA_DAT[1]
2A4 2B4
ATA_DAT[14] ATA_DAT[14]
2A5 2B5
ATA_DAT[0] ATA_DAT[0]
2A6 2B6
ATA_DAT[15] ATA_DAT[15]
2A7 2B7
2A8 2B8
2A9 2B9
2A10 2B10
R2201 R2202
10k 5.6k
# C2202 0.1
#
IC2202 SN74CBT3245A
NC VCC
A1 OE
A2 B1
A3 B2
ATA_ADD[0]
A4 B3
ATA_ADD[1]
A5 B4
ATA_ADD[2]
A6 B5
ATA_ADD[3]
A7 B6
ATA_ADD[4]
A8 B7
GND B8
B C
#
IC2101
NC
1A1
ATA2_DAT[7]
1A2
ATA2_DAT[8]
1A3
ATA2_DAT[6]
1A4
ATA2_DAT[9]
1A5
ATA2_DAT[5]
1A6
GND
ATA2_DAT[10]
1A7
ATA2_DAT[4]
1A8
ATA2_DAT[11]
1A9
ATA2_DAT[3]
1A10
ATA2_DAT[12]
2A1
ATA2_DAT[2]
2A2
# C2102 0.1
VCC
ATA2_DAT[13]
2A3
GND
ATA2_DAT[1]
2A4
ATA2_DAT[14]
2A5
ATA2_DAT[0]
2A6
ATA2_DAT[15]
2A7
2A8
2A9
2A10
R2101 R2102 R2103
4.7k 10k 5.6k
# C2101
#
IC2102
NC
A1
A2
A3
ATA2_ADD[1]
A4
ATA2_ADD[0]
A5
ATA2_ADD[2]
A6
ATA2_ADD[3]
A7
ATA2_ADD[4]
A8
GND
#
R2217
22k
#
Q2201
DTC144WUA-X
#
RA2206
OPEN
ATA_ADD[0]
ATA_ADD[1] #
ATA_ADD[2] RA2207
ATA_ADD[3] OPEN
ATA_ADD[4]
D E
2-21 2-22
SN74CBTLV16210
R2104
1OE
2OE
1B1
1B2
1B3
1B4
1B5
GND
1B6
1B7
1B8
1B9
1B10
2B1
2B2
2B3
GND
2B4
2B5
2B6
2B7
2B8
2B9
2B10
0.1
SN74CBTLV3245
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
R2204
ATA_DAT[7]
ATA_DAT[8]
ATA_DAT[6]
ATA_DAT[9]
ATA_DAT[5]
ATA_DAT[10]
ATA_DAT[4]
ATA_DAT[11]
ATA_DAT[3]
ATA_DAT[12]
ATA_DAT[2]
ATA_DAT[13]
ATA_DAT[1]
ATA_DAT[14]
ATA_DAT[0]
ATA_DAT[15]
R2205
R2206
R2207
R2208
R2209
R2210
R2211
R2212
R2213
R2214
R2215
F
CN2101
QGF0539C1-40W
33
RSTATA
GND
K2101 SHORT
HD_AT[7]
RA2101 K2102 SHORT
HD_AT[8]
33 K2103 SHORT
HD_AT[6]
K2104 SHORT
HD_AT[9]
K2105 SHORT
HD_AT[5]
RA2102 K2106 SHORT
HD_AT[10]
33 K2107 SHORT
HD_AT[4]
K2108 SHORT
HD_AT[11]
K2109 SHORT
HD_AT[3]
RA2103 K2110 SHORT
HD_AT[12]
33 K2111 SHORT
HD_AT[2]
K2112 SHORT
HD_AT[13]
K2113 SHORT
HD_AT[1]
RA2104 K2114 SHORT
HD_AT[14]
33 K2115 SHORT
HD_AT[0]
K2116 SHORT
HD_AT[15]
GND
TO
R2105 82
DMARQ
HDD
GND
R2106 22
DIOW
GND
R2107 22
DIOR
GND
R2108 82
IORDY
CAB_SEL
R2109 22
DMACK
GND
R2110 82
INT_ATA
R2111 33 K2117 SHORT
ATA_A1
R2112 33 K2118 SHORT
ATA_A0
R2113 33 K2119 SHORT
ATA_A2
R2114 33 K2120 SHORT
CS1FX
R2115 33 K2121 SHORT
CS3FX
GND
# #
R2116 D2101
33 220
RSTATA
GND
K2201 SHORT
HD_AT[7]
RA2208 K2202 SHORT
HD_AT[8]
33 K2203 SHORT
HD_AT[6]
K2204 SHORT
HD_AT[9]
K2205 SHORT
HD_AT[5]
RA2209 K2206 SHORT
HD_AT[10]
33 K2207 SHORT
HD_AT[4]
K2208 SHORT
HD_AT[11]
K2209 SHORT
HD_AT[3]
RA2210 K2210 SHORT
HD_AT[12]
33 K2211 SHORT
HD_AT[2]
K2212 SHORT
HD_AT[13]
K2213 SHORT
HD_AT[1]
RA2211 K2214 SHORT
HD_AT[14]
33 K2215 SHORT
HD_AT[0]
K2216 SHORT
HD_AT[15]
GND
TO
82
DMARQ
DRIVE unit
GND
22
DIOW
GND
22
DIOR
GND
82
IORDY
CAB_SEL
22
DMACK
GND
82
INT_ATA
33 K2217 SHORT
ATA_A1
33 K2218 SHORT
ATA_A0
33 K2219 SHORT
ATA_A2
33 K2220 SHORT
CS1FX
33 K2221 SHORT
CS3FX
GND
# #
CN2201
R2216 D2201
QGF0539C1-40W
220
p20418001a_rev0
SHEET 6
G