JVC GZ-MG27US Service Manual page 48

MAIN(DSP) SCHEMATIC DIAGRAM
R4044
OPEN
TO USB HOST
XUSB_INT
TO MPEG2
PLLSTOP
TO P.PRCS
SSGFLD
TO MPEG2
MPEG_RST
TL4024
R4048 47k
R4049 47k
R4050 0Ω
NXCFWAIT
R4051 0Ω
NCFRESET
R4052 47k
R4053 0Ω
NCFRDY
R4054 47k
R4087 0Ω
NXCFIOWR
R4088 0W
NXCFIORD
R4055 47k
R4056 180
NCFD0
R4057 180
NCFD1
R4058 180
NCFD2
R4059 180
NCFD3
R4060 180
NCFD4
R4061 180
NCFD5
R4062 180
NCFD6
R4063 180
NCFD7
R4064 180
TO USB HOST NCFD8
R4065 180
NCFD9
R4066 180
NCFD10
R4067 180
NCFD11
R4068 180
NCFD12
R4069 180
NCFD13
R4070 180
NCFD14
R4071 180
NCFD15
R4072 0Ω
NXCFCE0
0Ω
R4073
NXCFCE1
R4074 47k
R4075 47k
NCFBVD1
NCFBVD2
R4076 0Ω
NCFA0
R4077 0Ω
NCFA1
R4078 0Ω
NCFA2
TL4025
TL4026
TL4027
TL4028
TL4029
TL4030
TL4031
TL4032
TO CDS/TG CCD_CTL
TL4037
R4079
47k
NOTES: 1. For the destination of each signal and further line connections that are cut off from this diagram, refer to "BOARD INTERCONNECTIONS".
2. The parts with marked ( ) is not used.
2-15(No.YF133)
TO GA
R4043
10k
R4042
47k
145 144 75 77 201 140 71 299 254 74 143 204 73 142 203 256 72 141 202
2 GPIO7
AFE Serial AFE Parallel Interface
298 GPIO26
139 GPIO28
AFE SSG
200 GPIO25
253 GPIO27
70 GPIO29 NuCORE
132 CFWP /GPIO14
195 XCFWE /GPIO55
128 XCFWAIT
/DVCLK
187 CFRESET /GPIO15
58 XCFREG /GPIO53
134 CFRDY
/GPIO52
292 XCFOE /GPIO51
133 XCFIOWR /GPIO(option)
248 XCFIORD /DVVSYNC
242 CFCSEL /DVHSYNC
193 CFD0
/GPIO56
246 CFD1 /GPIO57
291 CFD2 /GPIO58
62 CFD3
/GPIO59
131 CFD4 /GPIO60
192 CFD5 /GPIO61
245 CFD6 /GPIO62
290 CFD7 /GPIO63
61 CFD8
/DVINOUTY0
130 CFD9 /DVINOUTY1
191 CFD10 /DVINOUTY2
DV1 ITU-R601 16bit OUT
244 CFD11
/DVINOUTY3
60 CFD12 /DVINOUTY4
129 CFD13 /DVINOUTY5
190 CFD14 /DVINOUTY6
59 CFD15 /DVINOUTY7
194 XCFCE0
/GPIO48
247 XCFCE1 /GPIO49
64 XCFCD1 /GPIO47
293 XCFCD2
/DV_SOF
63 CFBVD1 /GPIO46
57 CFBVD2 /DVFIELD
56 CFA0 /DVINOUTUV0
127 CFA1 /DVINOUTUV1
55 CFA2 /DVINOUTUV2
126 CFA3 /DVINOUTUV3
189 CFA4 /DVINOUTUV4
54 CFA5
/DVINOUTUV5
125 CFA6 /DVINOUTUV6
188 CFA7 /DVINOUTUV7
243 CFA8
/DVDACK
53 CFA9 /DVUVSEL
124 CFA10 /DVVLD
226 PWM0
169 PWM1
276 PWM2
168 PWM3
86 GPIO31
Operating ETM Minimum
Mode SCANTEST Port
13 NC3 DBETRST
89 NC4 DBETDO
214 GPIO39
115 44 31 217 15 12 87 157153263212269220163 98 25 270221164 99 26 271222165100 27 272223166101 28 273224 19 20 94 21 160 95 22 218161 96 23 268219162 97 24 17 93 18 91 16 159 92 88 215 90 14 216156 1 76
TL4001
R4001
100 R4005 R4006
47k 47k
C4034
0.1
R4002 R4003
3.3k 0Ω
TO USB HOST TO MPEG2,DSP MEM,
P.PRCS,USB HOST
255 300 37 180 117 46 283 236 181 118 47 284 237 182 119 48 285 238 183 286 239 184 121 326 287
IC4001
SIP1280ISD-DVA3
External Memory Bus
TO MPEG2,DSP MEM,
P.PRCS,USB HOST
TO DSP MEM
240 185 122 51 288 241 186 123 52 289 231 41 112 175 42 279 232 40 176 113 50 49 235 282 45
SDRAM Interface
JTAG
69 275
R4020
47k
116 179 234 281 178 233 2
DMA
30 103 1513393073
L4008 R40
SHORT 330
C403
0.01
4 3
VDD OUT
ENA GND
1 2
R4021
47k
X4001
NAX0710-001X