2-1-2-1
2-1-2-2
2-1-4-1
——1 Other defects — Replace MAIN Assy.
[2] Error Indications
[2-1] Error Indications on the product GUI
[2-1-1] "E-0001" is displayed
A communication error between MAIN CPU/DSP and PNL1 UCOM was generated.
Step Cause Diagnostics Point Item to be Checked Corrective Action Reference
—Check the following voltages at the
diagnostics point.
[The power of MAIN CPU/DSP]
V+5D_MDSP (5 V)
V+3R3D_MDSP (3.3 V)
PWRHOLD (1.83 V)
V+1R8_MDSP (1.8 V)
V+1R0_CVDD (1.0 V)
V+1R0_CVDD1 (1.0 V)
V+1R35_MDSP_DDR (1.35 V)
V+0R675_REF (0.675 V)
Check the following voltages at the
diagnostics point.
[RST of MAIN CPU/DSP]
66AK_XRST (3.3 V)
[The communication between
MAIN CPU/DSP and FLASH ROM(64Mb)]
Confirm that the parts between IC1101 and
IC1502 are installed correctly.
1 Power defect of
MAIN CPU/DSP
(IC1101)
MAIN Assy
TP V+5D_MDSP
TP V+3R3D_MDSP
TP PWRHOLD
TP V+1R8_MDSP
C1010 + side
(V+1R0_CVDD)
L1002 quad VIA side
(V+1R0_CVDD1)
L1003 quad VIA side
(V+1R35_MDSP_DDR)
DDR3L_VREF
(V+0R675_VTT)
MAIN Assy
TP 66AK_XRST
! If the voltage of the all points are confirmed
correctly, go to step 2.
! If not, the circuit or the parts between IC1001
and IC1101 may be defective.
If the parts other than IC1001 and IC1101 are
defective, replace its. If IC1001 or IC1101 is
defective, replace MAIN Assy.
—2 RST line
defect of the
MAIN CPU/DSP
(IC1101)
! If the voltage of the all points are confirmed
correctly, go to step 3.
! If not, the circuit or the parts between IC1001
and IC1501 may be defective.
If the parts other than IC1001 are defective,
replace its. If IC1001 is defective, replace
MAIN Assy.
—3
The communication
error between
MAIN CPU/DSP
(IC1101) and
FLASH ROM(64M)
(IC1502)
— The circuit or the parts between IC1101 and
IC1502 may be defective.
If the parts other than IC1101 and IC1502 are
defective, replace its. If IC1101 or IC1502 is
defective, replace MAIN Assy.
[2-1-2] "E-0002" is displayed
A startup error of MAIN CPU/DSP was generated.
Step Cause Diagnostics Point Item to be Checked Corrective Action Reference
—1 ! If the voltage of the all points are confirmed
correctly, go to step 2.
! If not, the circuit or the parts around IC213,
IC214, IC216 and IC2101 may be defective.
Replace its.
[2-1-4] "E-0008" is displayed
A setting error of ADC or DAC was generated.
Step Cause Diagnostics Point Item to be Checked Corrective Action Reference
Check the following voltages at the
diagnostics point.
[The power supply of MASTER/BOOTH DAC]
V+3R3A_MDAC (3.3 V)
V+1R2A_MDAC (1.2 V)
Check the following voltages at the
diagnostics point.
[RST of MASTER/BOOTH DAC]
RESET (0 V)
* IC2101 is L-Active (RESET is released at 0 V)
MAIN Assy
TP V+3R3A_MDAC
TP V+1R2A_MDAC
MAIN Assy
R2117 (MDAC_MCLK)
2-1-4-2
2-1-4-3
MAIN Assy
IC2101 7 pin (RESET)
Power defect of
MASTER/BOOTH
DAC (IC2101)
—3 !
If an output signal can be confirmed, go to step 4.
!
If not,
the circuit or the parts around IC2001,
IC2003, IC2006, IC2014 and IC2101 may be
defective. Replace its.
—2 ! If the voltage is confirmed correctly, go to step 3.
!
If it is 3.3 V, the circuit or the parts around IC1101,
IC1503, Q2101 and IC2101 may be defective.
If the parts other than IC1101 are defective,
replace its. If IC1101 is defective, replace
MAIN Assy.
RST defect of
MASTER/BOOTH
DAC (IC2101)
MCLK defects of
MASTER/BOOTH
DAC (IC2101)
Check the following voltages at the
diagnostics point.
[CLK of MASTER/BOOTH DAC]
R2117 (3.3 V 24 MHz)
—1 Replace MAIN Assy.
[2-1-3] "E-0004" is displayed
A setting error of the clock generator was generated.
Step Cause Diagnostics Point Item to be Checked Corrective Action Reference
———