ETS2228 Maintenance Manual
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Page 22, Total 43
which produces power
chip
I
SBI-ST
MSM6000
→
PM6610
MSM6000 control
signal
SBST(22)
I
SBI-CK
MSM6000
→
PM6610
MSM6000 control
signal
SBCK(21)
I
SBI-DT
MSM6000
→
PM6610
MSM6000 control
signal
SBDT(20)
O
KEY_BAC
KLIGHT
MSM6000
→
interface
keypad
back facet
drive headstream
KEYBD-DRV(
10)
O
VERG-TC
XO
PM6610
→
TCXO
Supply TCXO
voltage which produces
circuit
VERG-TCXO
（
32
）
O
VREF-RF
RX
PM6610
→
RFR6122
Supply voltage to
RFR6122
VREG-RFRX(3
1)
O
VREG-MS
MC
PM6610
→
MSM6000
Supply digital
signal voltage to
MSM6000
VREG-MSMC(
14)
O
VREG-MS
MP
PM6610
→
others
Supply voltage to
kinds of external
equipment
VREG-MSMP(
16)
O
VREG-MS
MA
PM6610
→
MSM6000
Supply analog
signal voltage to
MSM6000
VREG-MSMA(
11)
O
VREG-RF
TX
PM6610
→
RFT6122
Supply voltage to
RFT6122
VREG-RFTX(2
9)
O
SLEEP-CL
K
PM6610
→
MSM6000
Supply dormancy
signal to MSM6000
SLEEP-CLK(19
)
