Icom ID-52A Service Manual page 25

(Amended page)
February 2022
• LOGIC UNIT (2/4)
3VA
IC36
SN74AUP1T17DCKR
R287
J8 1 5
20RF-JMCS-G-1B-TF
2
100k
3 4
19 20
17 18
15 16
13 14
11 12
9 10
7 8
5 6
3 4
1 2
SD3
10
CDB
9
CDA
8 R8
DAT1
7 R10 0
DAT0
6 0
VSS
5 R11
CLK
4 150
VDD
3 R12
CMD
2 R13 0
CD/DAT3
1 R14 0
DAT2
0
J3
SDHL-8BNS-K-363-A0-ETB
S12
2
A
3
B
1
COM
5
A
6
B
4
COM
F082EN7510W
[PTT] [SQL]
LOG3
R72
680
SQL opens: 3.3 V
B R G
SQL closes: 0 V
Q8
DS7
RUM002N02
CL-505S
R73
220
Q9
RUM002N02
TX: 3.3 V
RX: 0 V
VBUS _ L
J7
CSS5005-4R11FSZ
FI1
1 4
11
5
10 2 3
4
3
DLP11SN121SL2
9
2
8
1
EP27
USB _ GND
MPZ2012S221A
5VS
S1~S11:SKRBAAE010 ×11
[QUICK] [MAIN]
S1 S8
D1
[M/CALL] [→] [V/MHz]
L1SS400
S2 S5 S9
D2
[↓] [ENT] [↑]
L1SS400
S3 S6 S10
D3
[MODE] [←] [MENU]
L1SS400
S4 S7 S11
R399
Q32
100
RUM002N02
D4
L1SS400
3VA
GPS2
5VS
SD3
USB _ GND
VBUS
LOG3
CPU3
G _ RXD
BT _ DEMP
GPS2
CPU _ DEMP
CLK
CP06S CP61
G _ TXD
MOSI
CP06S CP62
G _ RES MISO
CP06S CP63
CSB
CP06S CP64
BTTXD
BTRXD
SD _ CD
SD _ D1
SD _ D0
SD _ CLK
SD _ CMD
SD _ D3
SD _ D2
DICK2
DIUD2
DICK1
DIUD1
INTPTT
SQL
R5 PWR _ SW
1k
BLED
[ ]
LOG3
While USB power adapter
LOG3
is connected: 5.0 V
IC43
1 5
VIN VOUT
2
VSS
3 4
CE NC
XC6209F332MR
Q30
RUM002N02
NJU7056F3
CPU3
IC23
TS3USB30ERSWR
USB _ D-
3 D+ 10
S
4 GND 9
Vcc
USB _ D+ 5 D- Q31
8
OE
RUM002N02
LCD Backlight OFF: 0 V
BERC LCD Backlight ON: 3.3 V
5VS
LEDK
LCD _ RES
R211 LOG3
100k
FI4
FWR# R544 7 OUT
68
FRS R545 8 OUT
FLCD _ CS 68
R546 9 OUT
68
FRD# R547 10 OUT
68
J1
FD0
1 2
FD1 FD2
3 4
R548
FD3 FD4 FD0
5 6
R549 68
FD5 FD6 FD2
7 8
R550 68
FD7 FD8 FD4
9 10
FD6 R551 68
FD9 FD10
11 12
68
FD11 FD12
14
13
FI2
FD13 FD14
16
15
FD15
18
17
19 20
FD8 R552 7 OUT
FWR#
21 22
68
FD10 R553 8 OUT
FRD# FRS
23 24
68
LCD _ RES FLCD _ CS FD12 R554 9 OUT
25 26
68
FD14 R555 10 OUT
27 28
68
LEDK
29 30
R556
FD15
R557 68
FD13
30R-JAKK-GSAN-1-TF
R558 68
FD11
To LCD
R559 68
FD9
68
KEY Backlight OFF: 2.9 V
FI3
KEY Backlight ON: 0 V
FD7 R560 7 OUT
FD5 R561 68 8 OUT
68
FD3 R562 9 OUT
68
FD1 R563 10 OUT
68
KEY Backlight OFF: 3.3 V
KEY Backlight ON: 0 V FI2~FI6:NFA18SL187V1A45 ×5
The underlined parts have been updated from the addendum of the previous version, or from the original page.
3VA
GPS2
5VS
SD3
USB _ GND
VBUS
LOG3
CPU3
Bluetooth
To MAIN
C253
UNIT 3/4
1 BTMIC
BTMIC
C254
1
C255
C257
1
1
H _ PTT
IC29
5
1
4
3
2
R438
0
C556
C239 0.001
C555 0.001
C238 0.001
0.001
LOG3
AUNLK A1
A2
DSP _ RESET A3
SCRXD A4
SCSCK A5
DSP _ PD A6
R210
SWCLK A7
SWDIO A8
100k
3 WR# BUNLK B1
IN
4 (RS) A16 B2
IN
LCD _ CS
5 SCACK B3
IN
6 RD# BOOT0 B4
IN
LCD _ RES
B5
H _ PTT
FI6 B6
HIZ _ C
B7
PLLCK B8
7 OUT 3 D0
IN
8 OUT 4 D2
IN
9 OUT 5 D4
IN
10 OUT 6 D6
IN
C554
0.1
3 D8
IN
4 D10
IN
5 D12
IN
6 D14
IN
SUB _ YOBI1
FI5 CP53
CP06S
7 OUT 3 D15
IN
8 OUT 4 D13
IN
9 OUT 5 D11
IN
10 OUT 6 D9
IN
3 D7
IN
4 D5
IN
5 D3
IN
6 D1
IN
KEY _ LIGHT
9-7a
3VA
GPS2
5VS
SD3
USB _ GND
LOG3
CPU3
VBUS _ L VBUS _ M
Q34
CSD25501F3 3 _ 6V
Q35
LDTC144EE
IC13
Q33
RUM002N02 1 5
IN OUT
2
GND
3 4
EN NC
TLV70033DCKR
L4 R462
BTAF IC34
While Bluetooth is
1 5
15N 22k IN OUT
2
used: 3.0 V GND
3 4
EN NC
not used: 0 V
TLV70033DCKR
BT3
IC33
1 5
IN OUT
2
GND
3 4
NC
EN
TLV70033DCKR
3VA
3VA
R499
R500 1k
1k VIN
TEMP
F8
PC14-OSC32 _ IN PB14
F7
PC13 PB15
F6 DIUD1
PB9 PC6
F5 LIGHT
PB4 PB0
F4 BTKENSA
PB3 PA5
F3 BTSENC
PA15 PA2
F2
PA14 PC2
F1
PA13 VSSA
IC2
E8 DICK1
PC15-OSC32 _ OUT
STM32L051R8H6 PC8
E7 DIUD2
VDD PC7
E6
VDDIO2
PB8
E5
VDD
BOOT0
E4
VDD
PD2
E3 REMOTE
PC0
PC11
E2 VOX
PC10 PC1
E1 SCRES
PA12 NRST
C551
0.1
C552
0.1
R40
10k
DICK2
D26
LRB520G
RESET
3VA
GPS2
5VS
SD3
USB _ GND
VBUS _ M
LOG3
CPU3
3.6 V
3 _ 6V
3.3 V
IC9
1 5
IN OUT
2
GND
3 4
EN N/C
LP5907MFX
PCON1
PCON2
BTAF
PCON1
PCON2
BTAF
3VA
3VA
HV
HV
CPU3
DCIN
Q12
2SC4738
While Bluetooth device is
connected: 2.8 V
not connected: 0 V
R274
BTDET
Q25
470k
RU1L002SN
REMOTE
R252
100k
CP14~CP20:CP06S ×7
RESET