ii. Down-link path
A voice signal from ABB(HSOR, HSOL) goes to RX_IN, EXT_IN of YMU783. which ports are analog
voice input of analog mixer block. In case of using head-set, the analog mixer of YMU783 is set to
head-phone out path. The voice signal is amplified via head-phone amplifier and goes to ear-
phone(HSO_R, HSO_L). In case of using main-receiver, the analog mixer is set to Speaker out
path(SPOUT_L) and the voice signal goes to main speaker/receiver(SPK_RCV_P, SPK_RCV_N).
H. KeyPad Switching & Scanning
Keypad Map
DBB supports 6x6 keymap and Switch-ON Key is connected directly to ABB as (Figure16.).
3. H/W Circuit Description
- 29 -
Figure 15. Down-link circuits related with YMU783
Table 7. Keypad Map
C116
C117
100p
100p
33K
R110
1u
NA
C122
C109
L103
100nH
C128
100p
3.3K
R107
0.1u
C107
L102
100nH
C114
0.1u
C115
0.1u
68K
R109
0
R108
C101
10u
0.1u
C110
0.1u
C129
0.1u
C130
C108
0.1u
22n
C123
C119
47p
100nH
L105
1000p
C127
E1
H5
VREF
100nH
L101
G7
NC8
H3
H7
NC9
E9
PLLC
E2
RXIN
H2
SPOUT1L1
SPOUT1L2
J1
SPOUT1R1
H8
SPOUT1R2
J9
J2
SPOUT2L
J8
SPOUT2R
G9
SPVDDR
H9
SPVSSR
TXOUT
J7
NC1
A1
NC2
A9
E7
NC3
NC4
F7
NC5
G3
NC6
G5
NC7
EQ1L
F1
EQ1R
F9
F2
EQ2L
EQ2R
F8
EQ3L
G2
G8
EQ3R
J6
EXC
EXTIN
F3
EXTOUT
H6
G6
HPC
G4
HPOUTL_MONO
HPOUTR
BBL
J3
H4
BBR
C121
NA
HSOL
HSO_R
SPK_RCV_N
SPK_RCV_P
HSO_L
HSOR
Содержание MG810c
Страница 1: ...Date May 2006 Issue 1 0 Service Manual MG810c MG810d Service Manual Model MG810c MG810d ...
Страница 3: ... 2 ...
Страница 5: ......
Страница 46: ...4 TROUBLE SHOOTING 45 WR CS ADSSSSS CS ADSSSSS WR ...
Страница 52: ...4 TROUBLE SHOOTING 51 G 1 Speaker Receiver Trouble Shooting Common Path ...
Страница 53: ...4 TROUBLE SHOOTING 52 G 2 Speaker Receiver Trouble Shooting Acoustic Path ...
Страница 54: ...4 TROUBLE SHOOTING 53 G 3 Speaker Receiver Trouble Shooting MP3 AAC Path ...
Страница 55: ...4 TROUBLE SHOOTING 54 G 4 Speaker Receiver Trouble Shooting FM Radio Path ...
Страница 56: ...4 TROUBLE SHOOTING 55 G 5 Main Mic Path Trouble Shooting ...
Страница 57: ...4 TROUBLE SHOOTING 56 G 6 Ear Mic Receiver Path Trouble Shooting ...
Страница 58: ...4 TROUBLE SHOOTING 57 G 7 Ear Mic Mic Path Trouble Shooting ...
Страница 59: ...4 TROUBLE SHOOTING 58 G 8 Vibrator Trouble Shooting ...
Страница 60: ...4 TROUBLE SHOOTING 59 4 2 RF Part Troubleshooting A RF Receiving Path Trouble Shooting ...
Страница 64: ...4 TROUBLE SHOOTING 63 E RF Receiving Path Trouble Shooting FEM 1 ...
Страница 65: ...4 TROUBLE SHOOTING 64 F RF Receiving Path Trouble Shooting FEM 2 ...
Страница 67: ...4 TROUBLE SHOOTING 66 H RF Transmitter Path Trouble Shooting ...
Страница 73: ...4 TROUBLE SHOOTING 72 N RF Transmitter Path Trouble Shooting FEM 1 ...
Страница 74: ...4 TROUBLE SHOOTING 73 O RF Transmitter Path Trouble Shooting FEM 2 ...
Страница 84: ...6 Block Diagram 83 6 Block Diagram ...
Страница 85: ... 84 ...
Страница 96: ... 95 8 PCB LAYOUT ...
Страница 97: ... 96 8 PCB LAYOUT ...
Страница 98: ... 97 8 PCB LAYOUT ...
Страница 99: ... 98 8 PCB LAYOUT ...
Страница 100: ... 99 8 PCB LAYOUT ...
Страница 101: ... 100 8 PCB LAYOUT ...
Страница 111: ... 110 ...
Страница 113: ... 112 ...
Страница 133: ...Note ...
Страница 134: ...Note ...