Icom FP-561 Service Manual page 39

SECTION 9 BLOCK DIAGRAM
9-1 FP-561
PAL FLASH ROM
IC28: SC-1372 IC32, IC33:
MBM29F800BA-90PFTN
J1:
ICME68H-L8-D1121RHA
DATA BUS
BUFFER
IC2: TC74HCT245AF
IC7: TC74HCT646AP
DATA BUS
DATA BUS
CARD MAIN CPU
IC1: CL-PS7500FE
ADD BUS
BUFFER
IC4, IC5, IC6:
TC74HC245AF
ADD BUS ADD BUS
RESET
IC13: S-80742SL-A6
Q1: 2SC2712 GR
LOGIC UNIT
SW
DC IN
Q14: FS30KMJ-3
Q16: 2SA1162 GR
REG
PWM CONT
Q12: 2SA1213 Y
IC9: UPC494GS
Q13: 2SC2712 GR
SW1 SW2
ERROR AMP
IC10: TLP121 GB
IC11: NJM2904M
SW UNIT
MAIN UNIT
DRAM SRAM
IC34, IC35: IC30, IC31:
M5M44260CJ M5M51008BVP-70LL
DATA BUS
VSYNC HSYNC DCLK R.G.B
ADD BUS
INV
12V
CLK (16MHz), RESET
CONTROL
FIFO RAM
IC20: CY7C433-40JC
DATA BUS
DATA BUS
MAIL BOX
RAM ADDRES
DECODER
IC21: M66220FP
IC16: TC74HC139AF
ADD BUS ADD BUS
IC19: TC7W32F
TEMP
OSC
X2
IC44: TC7SH04FU
X1:
DSO-49SJ
40V RECT.
TRANS FORMER
D12: RG-2A
T2: TO-43
REG
Q27: 2SD1664 Q
D37: RD7.5M B1
8V RECT.
REG
D22: SB30-09J IC13: PQ05RF21
12V RECT.
D13: SB30-09J
9 - 1
DISP UNIT
DC-DC
Q4: 2SB1201 S
VBL
Q5: XP6501 AB
CONVERTER
CONT
TXD
RXD
INV, BEEP
SL0–SL2, RL0–RL5
DATA BUS
SUB CPU
IC22: TMP90PM36F
TXD
RXD
ADD BUS SPD
40V TXSIG
INV GATE DRIVER
IC1: TC7W04F IC2: TC4093BF
Q2, Q3: 2SC2712 GR
Q4, Q5: 2SA1162 GR
6V
TXTRG
TX CONT
IC14: TC4S69F
5V
RSSI
RSSI CONT
AMP
Q25: 2SC3326 B
IC6: UPC358GR
DEPCONT
12V
LOCAL
X1: CR-497
OSC
IC3: TC3W03FU
LOCONT
X2: CR-496 LOCAL
OSC
IC4: TC3W03FU
SW UNIT
MAIN UNIT
BEEP
INV
RL0–RL5
GPS
LCD SL0–SL2
BOARD
LEVEL
CONVERTER
IC17: TC4049BF
Q28, Q30: 2SC4081 R
Q29, Q31: 2SA1576 R
LEVEL
CONVERTER
IC17: TC4049BF
Q32, Q34: 2SC4081 R
SELECT Q33, Q35: 2SA1576 R
IC41:
BU4053BCF
PHOTO
COUPLER
IC8: TLP121 GB
IC7: TC7W14FU
PHOTO
COUPLER
IC15: TLP121 GB
IC7: TC7W14FU
TX/RX
TRANSFORMER
POW AMP
D3, D4, D9, D30,
T1: TO-46
Q6, Q7: FS30KMJ-3
D31, D32, D35, D36:
Q23, Q24: 2SC3326 B
1N4002
40V
TUNE
L1: LS-415
STC
DET IC SELCT
Q1: 2SC3326 B
IC5: TA31136FN IC16: TC4W53FU
Q26: 2SC2712 GR
BPF
FI1: CFWS455GY
POW SW
KEY
MATRIX
NMEA OUT
DGPS OUT
NMEA IN
DGPS IN
SPD IN
TEMP IN
TRANSDUCER
TUNE
L6: LS-414