Rdr-3200 user manual, Figure 2. backup battery circuit, Battery sch – RoyalTek PANASONIC GYRO RDR-3200 User Manual

Page 7: Royaltek confidential

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RDR-3200 User Manual

Figure 2.
Backup Battery Circuit

V_3V3

Battery SCH

PIN3(RTC_3V3)

B1

1

2

R40

220

2

1

D12

RB705D

TP37

1

1

3

2

1

D13

RB705D

3

RoyalTek Confidential

7

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