Service manual

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CD-MD3000H/CD-MD3000W

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LCD710: RUNTZ0020AWZZ

LCD DISPLAY

L

R

LCD PANEL

80seg+4com

PCF8533U/2

SA0,A0,A1,A2 connect to VSS

VLCD

VSS

VDD

SCL

SDA

Pin No. Pin Name Connect to DescriptionI/O

1 VLCD Power supply LCD supply voltage

Logic ground

Supply voltage (5V)

I

2

C-bus serial clock input

I

2

C-bus serial data input/output

—

2 VSS Power supply—

3 VDD Power supply—

4 SCL MPUI

5 SDA MPUI/O