C166 Main Board Assembly; C166 Psb/Pse Board Assembly; Figure 1-13 C166 Main Board Assembly; Figure 1-14 C166 Psb/Pse Board Assembly - Epson FX-2170 Service Manual

Product Description

1.6.1 C166 MAIN Board Assembly

The C165 MAIN board consists of a TMP96C041AF CPU, an E05B13 gate array, a program/CG ROM, a
PS-RAM, an EEPROM, etc.
IC11 PF Motor Driver
UDN2917EB
IC12
CR Motor Driver
SLA7024M

1.6.2 C166 PSB/PSE Board Assembly

These boards have two AC input voltage ratings: 120 VAC (C166 PSB) and 230 VAC (C166 PSE). Both
boards consist of a transformer, switching FET, regulator IC, diode bridge, etc. The power supply board
provides +5 VDC and +35 VDC for the main board and printer mechanism.
F1
Fuse

Figure 1-14 C166 PSB/PSE Board Assembly

1-36
IC3 P-ROM
Head Drive IC 1
TRANSISTOR CPU
TMP96C041AF

Figure 1-13 C166 MAIN Board Assembly

Q1 PC1
Switching FET Photo Coupler
DB1
T1
Diode Bridge
Transformaer
FX-2170 Service Manual
IC 5 PS RAM
IC 2
GATE ARRAY
E05B13
CN2 for Option I / F
EEPROM
IC52
OP-amp
D51
Diode
IC51
Switching Regulator
TL494CN
Rev.A