Logic Unit; Scope Unit - Icom IC-7800 Service Manual

2-8

LOGIC UNIT

SDRAM* SDRAM
(IC201,IC202: MT48LC16M16A2TG) (IC201*,IC202*: MT48LC16M16A2TG)
GDC GDC
(IC203: HD64404BT) (IC203: HD64404BT)
SDRAM SDRAM
(IC1*,IC2: MT48LC16M16A2TG) (IC1*,IC2: MT48LC16M16A2TG)
LAN controller LAN controller*
(IC404: RTL8139C+) (IC404: RTL8139C+)
FAN controller* FAN controller
(IC821: NJM2904M) (IC821: NJM2904M)
2-7

SCOPE UNIT

A/D converter A/D con A/D converter
(IC501: AD7650AST) (IC501: AD7650AST) (IC501:
S3 mixer S3 mixer S3 mix
(D4: HSB88WS) (D4: HSB88WS) (D4:
PLL IC PLL IC PLL IC
(IC801: (IC801: LMX2306TM) (IC801: LMX2306TM)
VCO VCO VCO
(Q821: (Q821: 2SK210) (Q821: 2SK210)
1IF amplifier 1IF amplifier 1IF amplifier
(Q2: 2SC5551) (Q2: (Q2: 2SC5551)
S2LO amplifier S2LO amplifier S2LO amplifier
(Q101: (Q101: 2SC4673) (Q101: 2SC4673)
S2 mix S2 mixer S2 mixer
(D101: (D101: HSB88WS) (D101: HSB88WS)
2 - 5
RGB converter RGB converter
(IC204: ADV7123KST50) (IC204: ADV7123KST50)
CPLD* CPLD
(IC605: XC9572XL) (IC605*:XC9572XL)
CPLD CPLD
(IC52*: XC9572XL) (IC52*: XC9572XL)
MAIN CPU2 MAIN CPU2*
(IC604*: HD64F2377VFQ33V) (IC604: HD64F2377VFQ33V)
Dual port SRAM* Dual port SRAM
(IC51: IDT70V24L25PF) (IC51*: IDT70V24L25PF)
MAIN CPU1 MAIN CPU1
(IC103: HD6417751RBP200) (IC103: HD6417751RBP200)
CF controller* CF controller
(IC401: PCI1410APGE) (IC401: PCI1410APGE)
*Located under side of the point
5V/RC-232C 5V/RC-232C
level converter level converter
(IC903: ADM202EARN) (IC903: ADM202EARN)
DSP IC DSP IC
IC601: IC601:
TMS320C6711CGDP200 TMS320C6711CGDP200
1.26V regurator 1.26V regulator
(IC201: SI-3012KS) (IC201: SI-3012KS)
14bit DDS IC 14bit DDS IC
(IC820: AD9857AST) (IC820: AD9857AST)
SCOPE ATT SCOPE ATT
D1: CPH5513 D1: CPH5513
D2: CPH5513 D2: CPH5513
D3: 1SV263 D3: 1SV263
Switching IC Switching IC
(IC1,IC31: μPG2009TB) (IC1,IC31: μPG2009TB)