Power Measurement ION 8000 Series - Display Board; Lcd Display

Major Components of the PCB Boards ION 8000 Series User Guide
Page 216 Chapter 22 - Theory of Operation
Display Board
 Infrared (IR) transceiver
 LCD display
 Connector to CPU board
BACKLIGHT
DRIVER
DISPLAY
SELECT
LOGIC
KEY VOLTAGE
SHIFTER
KEY INTERUPT
GENERATOR
SIGNAL LEVEL
CONVERSION
LCD BIAS
LCD BIAS
GENERATOR
TEMPERATURE SENSOR
LCD
DISPLAY
BACK LIGHT
LEGEND
R=RESISTOR
R =RESISTOR
C = CAPACITOR
C = CAPACITOR
L = INDUCTOR
U=IC
U =IC
D,Q = DIODE
J = JUMPER
RM
J2
J1
J4
J3
PB1
R6
C1
C2 R8
PB2
D3
J6
J7
J8
R11
R12
U3
C5
C6
PB4
D4
D5
R14
R15
D7
D6
U5
C8
PB3
U2
Q2
R13
R10
TP1
C4
U1
U4
C7
TP2
R9
J5
D1
DS2DS?
C3
D2
R4
Q1
R5
DISPLAY CONNECTOR
DS1
R7
LCD CONNECTOR
LCD CONNECTOR
R16
DS3
D11
R44
R43
R41
R23
R24
Q3
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34 R35
R36 R37 R38 R39
R40
J9
J10
Q4
C17
L1
C16
R42
C15
U6
R21
C11
R19 R20
R17
C10
C9
R18
V_LCD1
C14
D10
C13
D9
D8
R22
FD1
C12
PB5
PB6
C18 R45
R3R2R1
FD2
C19
U7
CHG. LTR
*
RESET
ENERGY
1
1
ANSI EMITTER
IEC EMITTER
IEC
EMITTER
VAR
WATT
POWER MEASUREMENT LTD.
POWER MEASUREMENT LTD.
PART# 14000-0057
RXD
TXD
DISPLAY PCB