Service manual
Schematic Diagrams
B-33
Schematic Diags
MDC, Wireless & BT
Sheet 32 of 42
MDC, Wireless &
BT
RFVCC
VDD3
3VH8
3VH8
3VH8
VCC3
VCC3S
3VH8
VCC3S
VCC3
VCC3S
BTVCC
VCC5
BTVCC
VCC5
RFVCC
VCC3
VCC3
VCC3
VCC3S
VCC5S
SYS3V
VCC5
VCC3
VCC3
EXT_GPI
KB-CTL0
KB-CTL2
KB-CTL1
VOLUME+
VOLUME-
USBP5+
USBP5-
LEDAT/WATCH
GATERST#
KB_GA20
A20GATE
WLAN_DET#
USBP6+
USBP6-
BT_WAKE_UP
WLPWR_EN
BTPWR_EN
AC_BCLK
Z772
Z771
AC_SDIN1
PHONE
AC_SYNC
Z773
AC_RST#
AC_SDOUT
ATF_INT#
H8_RESET#
BT_DET#
R698 0(R)
R700 0(R)
R701 0(R)
R702 0(R)
+
C664
100U/16V(D)
C121
0.1U
T196
U28
74HC151
1
2
3
4
11
12
13
10
14
5
6
9
8
7
16
15
D3
D2
D1
D0
A
D7
D6
B
D5
Y
W
C
GND
G
VCC
D4
C866
0.1U
T
C562 0.1U
R459
0
T
C779
1U
U19
MAX823S_SOT23
3
5
2
1
4
MR#
VCC
GND
RESET#
WDI
R608
150K
R262
10K
T
R450
10K(R)
T
C542
0.1U
C563
0.1U
T
R465 0
T
T
T
T
T
R460
8.2K(R)
T
JMDC1
MDC CON
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29 30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
MONO_OUT
GND
AUXR
AUXL
CDGND
CD_R
CD_L
GND
3.3V
GND
3.3V
SDATA_O
RESET#
GND
MCLK BCLK
GND
SDATA_INA
SDATA_INB
SYNC
GND
VCC
P_DN
R_D
R_D
VCC
GND
R_D
MONO_PHONE
AUDIO_PD
C752
47P
C751
0.1U
C742
47P
R233
10K
+
C777
100U/16V(D)
L104
FCM1608K121
1 2
L105
FCM1608K121
1 2
JWL1
WIRELESS_CON
1
2
3
4
5
T
L62
FCM1608K121
1 2
L60
FCM1608K121
1 2
JBT1
BT CON
1
2
3
4
5
6
7
8
9
10
11
12
R564 1K
R133 10K
Q7
BSS138
G
D S
D47 1SS355
AC
Q12
2N7002
G
S D
R563 10K
Q10
2N3904
B
E
C
R562 10K
U14
MIC39102
7
6
5
4
32
1
8
GND
GND
GND
ADJ
VOUTVIN
EN
GND
R549
100K
R550
287K
C713
10U/10V(0805)
C560
10U/10V(0805)
R449
287K
U8
MIC39102
7
6
5
4
32
1
8
GND
GND
GND
ADJ
VOUTVIN
EN
GND
C561
0.1U
L107 HF50ACB321611T(R)
C714
0.1U
U15A
74(A)HC08
1
2
3
14
7
U15D
74(A)HC08
12
13
11
14
7
R448
100K
L50 HF50ACB321611T(R)
R230 10K
R458
10K
R552
10K
R576
10K
R501
10K
USBP5-[20]
EXT_GPI [31]
KB-CTL0 [31]
KB-CTL2 [31]
VOLUME+[25]
KB-CTL1 [31]
VOLUME-[25]
C_STOP_EJECT#[25]
C_RD#[25]
C_FF#[25]
C_PLAY_PAUSE#[25]
CD_POWER#[25]
USBP5+[20]
H8_RESET# [31]
LEDAT/WATCH [30,31]
GATERST#[17,22,31,33,35,36]
GATED_PCIRST# [19]
PCIRST# [6,11,19,23,29,30,31,33]
A20GATE [19]
KB_GA20 [31]
BOOT_FLASH[30,31]
WLAN_DET#[31]
USBP6+ [20]
USBP6- [20]
AC_BCLK [20,24]
PHONE [24]
AC_RST#[20,24]
AC_SDOUT[20,24]
AC_SYNC [20,24]
AC_SDIN1 [20,24]
BTPWR_EN[31]
WLPWR_EN[31]
ATF_INT#[3,19]
164_RESET#[30]
STOP_EJECT#[26,31]
RD#[26,31]
FF#[26,31]
PLAY_PAUSE#[26,31]
C_STOP_EJECT# [25]
C_RD# [25]
C_FF# [25]
C_PLAY_PAUSE# [25]
BT_DET# [31]
NEAR CCD CON.
NEAR CON