Ncn6129C, Ncn6138A, Ncn6140A/B, Ncn/Pmcn6140C, Ncn6141A, Ncn6145A/C; Schematic Diagram - Motorola HT-1000 Service Manual

FF_EN
R625 C683
R624
* *
*
R628
*
SB+
NFILOUT
23
C682
ICENAB FFOUT
*
C686 25
CPNENAB EXPOUT
*
18
FFENAB CBUFOUT
28
HIENAB COMPOUT
U601
27
EXPIN LODSAB
22
CBUFIN EXPBYP
15
C787
RSSIIN COMPCAP
* 16
Hear
FFIN VAG
7
Clear
NFILIN FFCNTL
CFBBYP
29
NC CLIPREF
5
NC1 NOISHLD
R623 13
NC2 COMPBYP
*
10
NC3 HCIDSAB
12
NC4 EXPADJ
R755
10K
DISC
RATED 2.5Vdc
282mVpk-pk/kHz
C775
C735 C679
330pF
100pF
HearClear Option
C608
R726
R626
*
8
C611
17
* C680
31 *
21
19
R620
*
4
26
C609
23 *
3
14
C688
20
*
9
11
24
6 R622 R621
C674
* *
30 *
C677 C684 C678 C681 C675
* * *
* *
C710
0.22uF
C685
Vcc
C705
R756 0.1uF
2K
L701
390nH R702
EXT_MIC INT_MIC
470
C721
C702
4.9Vdc
100pF .022uF
HI_CLMP_EN
COMP_EN
LODSAB
HCI_DIS
ASFIC_MIC_AUD_out
Vcc
3.7Vdc
C720 C719 C714 R729
0.1uF .01uF 0.1uF 47.5K
R712
47K
2.5Vdc
SCK F1
SCK CLK
PL_TX C3
PL_TX PLCLK
2.5Vdc
PL ONLY
E1
2.1_MHz XTALIN
TX_DATA G1
TX_DATA TRKCLKIN
LG_DTMF G2
LG_DTMF DTMFCLK
MDC TX ONLY
F2
ASFIC_SEL PGMENAB
DATA E3
DATA DATA
H4
EXTVOLIN
J5
EXPAUDIO
RX_IN H6
RXIN
AUX_RX J6
AUX_RX AUXRXIN
A7
EXTMICIN
C7
TXIN
D7
AUXTXIN
H7
J702_7 SQIN
C712 J7
PLIN
0.1uF
B8
SQIN MICIN
E8
LIMIN
G8
RSSI
* C736 *
C801
33pF
Vcc
0 Vdc
C701
0.1uF
C706
R701 0.1uF
2K
C779
L710
0.1uF
R703
390nH
470
C778
100pF
C703 R704
4.9Vdc 4.7K
.022uF
NCN6129C, NCN6138A, NCN6140A/B, NCN/PMCN6140C, NCN6141A, NCN6145A/C, NCN6146A,
92 NTN7089C AND PMCN6140C CONTROLLER BOARD ANALOG SECTION SCHEMATIC DIAGRAM
C776 C716 C708
C732 C715 C711
1uF .01uF 0.1uF
0.1uF .01uF 4.7uF
UNIV_IO
SQ_DET
CHACT
PWR_RST
200Hz RX MDC ONLY
B1
MDC_REF
MDCREF
D1 UPCLK
UPCLK
E2
XTALOUT
A4
PL_RX PL ONLY
PLLIM
G4 RX_DATA MDC ONLY
RXLIMOUT
J4
RXAUDOUT
H5
UNATRXOUT
A6
MICAMPOUT
U701 C6
VOX
VOXO
F7
DACO
ASFIC
G7
REFATN
C8
PREMP
D8
VAGOUT
H8 VCO_MOD
VCOATN
B5 HCI_DIS
GCB0
A3 HI_CLMP_EN
GCB1
B4 COMP_EN
GCB2
AUPA_EN
B3
GCB3
A2 EXT_SPKR_SEL
GCB4
C4
LODSAB
GCB5
C780 C713
.01uF 0.1uF C800
33pF
C717
*
C707
*
UNIV_IO
SQ_DET
CHACT
PWR_RST
MDC_REF
UPCLK
PL_RX
RX_DATA
2.5Vdc
C718
0.1uF
RX_AUDIO
ASFIC_MIC_AUD_out
3.8Vdc
VCO MOD ATTENUATOR RATED 200mVpk-pk/kHz
VCO_MOD
AUPA_EN
EXT_SPKR_SEL
VOX
C777
470pF
RSSI
63B81097C09-O