Icom IC-7800 Service Manual Addendum page 530

LOGIC UNIT (2)
VDD3R3
VDD3R3
VDD1R5
VDD1R5
BUS LINE1
PLL_ENABLEN#
BUS LINE2
IC201
MT48LC16M16A2TG
1 54
VDD VSS
SD_D0 2 53 SD_D15 SD_D16
DQ0 DQ15
3 52
VDDQ VSSQ
SD_D1 4 51 SD_D14 SD_D17
DQ1 DQ14
SD_D2 5 50 SD_D13 SD_D18
DQ2 DQ13
6 49
VSSQ VDDQ
SD_D3 7 48 SD_D12 SD_D19
DQ3 DQ12
SD_D4 8 47 SD_D11 SD_D20
DQ4 DQ11
9 46
VDDQ VSSQ
SD_D5 10 45 SD_D10 SD_D21
DQ5 DQ10
SD_D6 11 44 SD_D9 SD_D22
DQ6 DQ9
12 43
VSSQ VDDQ
SD_D7 13 42 SD_D8 SD_D23
DQ7 DQ8
14 41
VDD VSS
SD_DQM0 15 40 SD_DQM2
DQML NC
SD_WE# 16 39 SD_DQM1 SD_WE#
WE# DQMH
SD_CAS# 17 38 SD_CLK SD_CAS#
CAS# CLK
SD_RAS# 18 37 SD_CKE SD_RAS#
RAS# CKE
SD_CS# 19 36 SD_A12 SD_CS#
CS# A12
BA0 20 35 SD_A11 BA0
BA0 A11
BA1 21 34 SD_A9 BA1
BA1 A9
SD_A10 22 33 SD_A8 SD_A10
A10 A8
SD_A0 23 32 SD_A7 SD_A0
A0 A7
SD_A1 24 31 SD_A6 SD_A1
A1 A6
SD_A2 25 30 SD_A5 SD_A2
A2 A5
SD_A3 26 29 SD_A4 SD_A3
A3 A4
27 28
VDD VSS
VDA_PSAVE
R313 560
VDD5A
1 36
G0 VREF
2 35
G1 COMP
3 34
G2 IOR
4 33
G3 IOR
DO_G0 5 32
G4 IOG
DO_G1 6 31
G5 IOG
IC204
DO_G2 7 30 VDD5A
G6 ADV7123KST50 VAA
VDD5A
DO_G3 8 29
G7 VAA
DO_G4 9 28
LOGIC G8 IOB
DO_G5 10 27
UNIT G9 IOB
DO_DE 11 26
BLANK GND
(1) 12 25
SYNC GND
VDD5A
VDD5A
IOR
IOG
IOB
VDD5
IC206
SN74ACT04PWR
EX_HS 1 14
1A VCC
2 13
1Y 6A
EX_VS 3 12
2A 6Y
4 11
2Y 5A
5 10
3A 5Y
6 9
3Y 4A
7 8
GND 4Y
VSYNC
HSYNC
BUS LINE3
VDD3R3
VDD1R5
PLL_ENABLEN#
IC202
MT48LC16M16A2TG
1 54
VDD VSS
2 53 SD_D31
DQ0 DQ15
3 52
VDDQ VSSQ
4 51 SD_D30
DQ1 DQ14
5 50 SD_D29
DQ2 DQ13
6 49
VSSQ VDDQ
7 48 SD_D28
DQ3 DQ12
8 47 SD_D27
DQ4 DQ11
9 46
VDDQ VSSQ
10 45 SD_D26
DQ5 DQ10
11 44 SD_D25
DQ6 DQ9
12 43
VSSQ VDDQ
13 42 SD_D24 SD_D31 AB1
DQ7 DQ8
14 41 SD_D30 AA2
VDD VSS
15 40 SD_D29 Y2
DQML NC
16 39 SD_DQM3 SD_D28 W4
WE# DQMH
17 38 SD_CLK SD_D27 W2
CAS# CLK
18 37 SD_CKE SD_D26 V4
RAS# CKE
19 36 SD_A12 SD_D25 U4
CS# A12
20 35 SD_A11 SD_D24 U2
BA0 A11
21 34 SD_A9 SD_D23 U3
BA1 A9
22 33 SD_A8 SD_D22 V1
A10 A8
23 32 SD_A7 SD_D21 W1
A0 A7
24 31 SD_A6 SD_D20 W3
A1 A6
25 30 SD_A5 SD_D19 Y1
A2 A5
26 29 SD_A4 SD_D18 Y3
A3 A4
27 28 SD_D17 AA3
VDD VSS
SD_D16 AB2
SD_D15 C2
SD_D14 D2
SD_D13 E4
SD_D12 E1
SD_D11 F2
SD_D10 G4
SD_D9 G1
SD_D8 H2
SD_D7 H1
SD_D6 H3
VDD5A
SD_D5 G3
SD_D4 F1
SD_D3 F3
SD_D2 E2
SD_D1 D1
SD_D0 C1
SD_A12 K1
SD_A11 L1
SD_A10 L2
SD_A9 L3
SD_A8 L4
SD_A7 M2
SD_A6 M3
SD_A5 M4
SD_A4 N2
SD_A3 P1
SD_A2 P2
IC205 SD_A1 P3
TC7SZ04F SD_A0 P4
EP202 EP201
1 5 VDD3R3 SD_RAS# R2
2 SD_CSA# T2
3 4 SD_WE# R1
SD_CS# T3
BA0 K2
BA1 J1
SD_CLK T1
SD_CKE J2
SD_DQM3 U1
SD_DQM2 T4
SD_DQM1 J4
SD_DQM0 J3
R201 10k AE2
R202 10k AE1
IOB R203 10k AC4
IOG R204 10k AC3
IOR R205 10k AC2
R206 10k AC1
VDD5A R207 10k AB3
R208 10k AA4
R209 10k AD2
EP807
DO_R5 R1157 100 AD20
DO_R4 EP806 R1156 100 AE20
DO_R3 EP805 R1155 100 AF20
DO_R2 EP804 R1154 100 AC21
L203 0.1µ
CRT_RED DO_R1 EP803 R1153 100 AD21
DO_R0 EP802 R1152 100 AE21
L204 0.1µ
CRT_GREEN DO_G5 EP813 R1163 100 AF21
DO_G4 EP812 R1162 100 AD22
DO_G3 EP811 R1161 100 AE22
DO_G2 AF22
EP810 R1160 100
L205 0.1µ
CRT_BLUE DO_G1 EP809 R1159 100 AF23
DO_G0 EP808 R1158 100 AC23
DO_B5 AE24
EP819 R1169 100
DO_B4 EP818 R1168 100 AE25
DO_B3 EP817 R1167 100 AF25
DO_B2 EP816 R1166 100 AF26
DO_B1 EP815 R1165 100 AE26
DO_B0 EP814 R1164 100 AD24
DO_VS AD25
VDD5
DO_HS AB24
VDD5A
FP_DE R1170 100 R356 0 AC25
DO_CLK EP820 AD26
EP801 R1151
56
VDD3R3
FP_VS R353 0
FP_HS R355 0
R321 22
CRT_VSYNC
CRT_HSYNC
R320 22
VDD3R3
VDD5A
VDD5
11 - 6
VDD3R3
VDD1R5
PLL_ENABLEN#
VDD3R3
SD_DATA31
SD_DATA30
SD_DATA29
SD_DATA28
SD_DATA27
SD_DATA26
SD_DATA25
SD_DATA24
SD_DATA23
SD_DATA22
SD_DATA21
SD_DATA20
SD_DATA19
SD_DATA18
SD_DATA17
SD_DATA16
SD_DATA15
SD_DATA14
SD_DATA13
SD_DATA12
SD_DATA11
SD_DATA10
SD_DATA09
SD_DATA08
SD_DATA07
SD_DATA06
SD_DATA05
SD_DATA04
SD_DATA03
SD_DATA02
SD_DATA01
SD_DATA00
SD_ADDR12
SD_ADDR11
SD_ADDR10
SD_ADDR09
SD_ADDR08
SD_ADDR07
SD_ADDR06
SD_ADDR05
SD_ADDR04
SD_ADDR03
SD_ADDR02 IC203
SD_ADDR01 HD64404BT
SD_ADDR00
RAS
CAS
WE
CS
BA0
BA1
SD_CLK
SD_CKE
DQM3
DQM2
DQM1
DQM0
VL_DATA7
VL_DATA6
VL_DATA5
VL_DATA4
VL_DATA3
VL_DATA2
VL_DATA1
VL_DATA0
VL_CLK
DO_DATA17
DO_DATA16
DO_DATA15
DO_DATA14
DO_DATA13
DO_DATA12
DO_DATA11
DO_DATA10
DO_DATA09
DO_DATA08
DO_DATA07
DO_DATA06
DO_DATA05
DO_DATA04
DO_DATA03
DO_DATA02
DO_DATA01
DO_DATA00
DO_VSYNC
DO_HSYNC
DO_DEN
DOT_CLK
VDD3R3
VDD5A
VDD5
VDD3R3
VDD1R5
R350
0
AUD_CLK
C250 22p
C251 22p
C252 8p
VDD3R3
C253 8p
C12
XTAL_USB
AE23
VSSPLLA2
AF24
VCCPLLA2
D25
VSSPLLA1
C26
VCCPLLA1
C14
VSSUSB2
C13
VCCUSB2
B11
USB2OVC
A11
USB2PENC
B13
USB2HM
B14
USB2HP
B15
VSSUSB1
D14
VCCUSB1
D15
USB1OVC
C15
USB1PENC
A14
USB1HM
A15
USB1HP
AC20 R225
MCP_FLOW
AC19 R226
MSRC_FLOW
AD19 R227
MFRAME_SYNC
AE19 R228
MRESET
AF19 R229
MERROR
AE17 R230
MINT
AF17 R231
MAINT
AC17 R232
MWR
AD17 R233
MRD
AF16 R234
MDATA0
AE16 R235
MDATA1
AD16 R236
MDATA2
AC16 R237
MDATA3
AF15 R238
MDATA4
AE15 R239
MDATA5
AD15 R240
MDATA6
AC15 R241
MDATA7
AF14 R242
MPAD0
AC14 R243
MPAD1
A16 R244
AT_RESET
A23 R245
AT_DIRQ1
B22 R246
AT_DCHRDY0
C22 R247
AT_DIOR
A21 R248
AT_DIOW
A26 R249
AT_DSC0
A25 R250
AT_DCS1
B21 R251
AT_DMARQ0
B23 R252
AT_DMACK0
C24 R253
AT_DSA0
A24 R254
AT_DSA1
B24 R255
AT_DSA2
C21 R256
AT_DSD0
A20 R257
AT_DSD1
C20 R258
AT_DSD2
B19 R259
AT_DSD3
D19 R260
AT_DSD4
B17 R261
AT_DSD5
D17 R262
AT_DSD6
C16 R263
AT_DSD7
D16 R264
AT_DSD8
B16 R265
AT_DSD9
C17 R266
AT_DSD10
A17 R267
AT_DSD11
C19 R268
AT_DSD12
A19 R269
AT_DSD13
B20 R270
AT_DSD14
D21 R271
AT_DSD15
A2
GPIO18
A4
SPI1_CS
A3
SPI1_CLK
C4 R272
SPI1_MISO
B3
SPI1_SIMO
B4 R273
SPI0_CS
D5 R274
SPI0_CLK
C5 R275
SPI0_MISO
A5 R276
SPI0_SIMO
C6 R277
PWM2
B6 R278
PWM3
D3 R279
PWM0
C3 R280
PWM1
D10 R281
TIMER/CTR0
C10 R282
TIMER/CTR1
B10 R283
TIMER/CTR2
A10 R284
TIMER/CTR3
C7 R285
INT0
B7 R286
INT1
A7 R287
INT2
B8 R288
INT3
A8 R289
INT4
C8 R290
INT5
A6 R291
INT6
Explanatory notes
R310
10k
R296
10k
VDD3R3
SYS_RES#
VDD3R3 VDD3R3
VDD5A VDD5A
VDD5 VDD5
VDD3R3
VDD3R3
VDD1R5
VDD1R5
BUS LINE1
AUD_CLK
EP203
EP204
USB2OVC
USB2PENC
LOGIC
USB2HM
UNIT
USB2HP
(3)
USB1OVC
USB1PENC
USB1HM
USB1HP
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
BUS LINE4
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
DA_CCS1
DA_CCS0
DA_CCK
10k
DA_CDAT
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
VOLTAGE LINE
BUS LINE5
VDD5A
VDD5A
VDD5
VDD5
BUS LINE3