Motorola i897 - Roadrunner Audio

SCHEMATIC DIAGRAMS AND COMPONENT LOCATION
4.11 ROADRUNNER AUDIO
126
6880401P59-O
AUX mic network, DNP for Muscardini
PLACE CLOSE TO
PLACE CLOSE TO
CONNECTOR
CONNECTOR
HANDSET MIC
R750
C772
C770
C769
C766
C765
C764
C762
C761
C760
C749
1
TP_RIGHT_N
1
TP_LEFT_N
1
TP_LEFT_P
1
TP_RIGHT_P
C774
C798
R773
R774
1
MIC
E702
E703
E701
E700
E767B7
E768B7
C728
C771
C740 C795
C799
C794
C793
C792
C790
C785
B3
B4
A2
C4
D3
D4
A3
A4
D1
C1
A1
B1
B2
C2
D2
C3
U700
C789
C788
C746B7
C757B7 C758B7
1
EAR_MINB7
1
EAR_PLUSB7
C768B7
C767B7
R753B7
R752B7
R748B7
B3
B4
E10
C4
F3
F2
E2 H4 G4
G3
D10
D11
E3 E4
K4
K5
J2
J3
J4
H5J5
K3
F4
D2
G2
H3
H2
H6
D3
D4
U700B7
2
1
C756B7
E704B7
2
1
C755B7
2
1
C754B7
2
1
C750B7
2 1
R751B7
2 1
C752B7
C751B7
C747B7
C753B7
C748B7
HANDSET_MIC_BIAS
TEST_POINT
HANDSET_MIC_LRC
100
.47UF
RR_MIC_INM_PIN
SW3_CAPS
HANDSET_MIC_RC
1000PF
.1UF
0613952X91
AUX_MIC
5175771A73
2475316C05
2475316C05
2.7K
0613952X83
1UF
1UF
SPKR_INR_POS
1UF
1UF
4.7UF
2187906N01
FILT_BATTI
TEST_POINT
.1UF
TEST_POINT
EARPIECE_PLUS
RR_STDACVDG_PIN
.47UF
22UF
2175110A01
AUD_PA_EN
FILT_BATTI
6.3V
PTT_DET
A1_INT
AUDIO_VCC
PHANTOM_GND
RR_STDACBG_PIN
RR_STDACREF_PIN
82PF
7685268E01
82PF
SC55112VH
AUDIO_OUT
EAR_P
EMU_AUDIO_RIGHT
EMU_AUDIO_LEFT
RR_VAG_PIN
2187906N01
82PF
LEFT_SPK_POS
.1UF
.1UF
PGA_IN
2113945B02
0613952R16
4.7UF
43K
10UF
.01UF
PLL_LPF_RC
2113956B54
2113945A10
1500PF
.1UF
2187906N01
V2
FILT_BATTI
15
EARPIECE_MINUS
EMU_MIC
LEFT_SPK_NEG
82PF
82PF
EAR_M_R
1UF
EAR_M
RR_PLL_LPF
4.7UF
82PF
82PF
EAR_P_R
TPA2012D2YZH
82PF
RIGHT_SPK_NEG
15
LEFT_SPK_POS_FILT
TEST_POINT
82PF 82PF
TEST_POINT
TEST_POINT
TEST_POINT
82PF
RIGHT_SPK_POS_FILT
82PF
RIGHT_SPK_NEG_FILT
RIGHT_SPK_POS
1000PF
1000PF
82PF
LEFT_SPK_NEG_FILT
1000PF
4.7K
5.6K
82PF
SPKR_INL_NEG
1000PF
OUT
OUT
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
IN
PVDD
G1
G0
SDL
SDR
INL_POS
INR_NEG
INR_POS
OUTL_POS
OUTR_NEG
AGND PGND
OUTL_NEG
OUTR_POS
INL_NEG
AVDD
NC
NC
IN
OUT
OUT
NC
A1_INT
EXT_MIC
MIC_INM
MIC_BIAS1
PGA_INR
PGA_INL
AUX_MICM
MIC_BIAS2
STDACBG
ALRT_GND
VAG
ALRT_VCC
SPKR_GND1_1 SPKR_GND2 SPKR_GND1_2 PHANTOM1 PHANTOM2
EXTOUT
SPKRM
ALRTM
ALRTP
PTT_DET
ALEFT_OUT
ARIGHT_OUT
PLL_GND
STDACREF
PLL_LPF
AUDIO_VCC
SPKRP
STDACVAG