Philips CID2680/00, Service Manual

Page: 37 / 45

RX
TX
MPU
TX RX vk3214
TX1 TX2 RX1 RX2
TX TX RX RX
GPS mcu
݊ᅗ8$57䆒໛
8$57ᬊথ⌕৥ᅮН
CID2680
,54Ԣ᳝ᬜ
UART_SD_USB
USB_SW=1 to MPEG
USB_SW=0 to MPU
USB_SW Logic
USB POWER
TTS
USB-5V
GND
USB-DP
USB-DN
USB-5V
GND
USB-DP
USB-DN
C12 106/10V/0805/NC
R4
10k
D1
4148S/NC
FB2
CBG601
2
IR
3
MRX
4
TR
5
MTX
6
RX4
1
GND
7
TX4
8
RST
9
VCC
10
IRQ
20
OSCI
19
OSCO
18
VCC
17
RX3
16
TX3
15
RX1
14
TX1
13
GND
12
RX2
11
TX2
U3
VK3214-ISOG
C14
106/10V/0805
C15 104
1
2
X4
3.6864M
C20
18p
C21
18p
EC301
220uF/6V3
C301
104
E
B
C
Q31
*
R142
10K
R163
10K
C137 101
C139 101
C152 101
C153 101
1
3
5
7 2
4
6
8
RN128
MLV/USB0004
$9
$9
$9
$9
R135
33R
R145
33R
4
$
2
1B1
3
1B2
9
$
14
4B1
13
4B2
7
$
8
GND
12
$
11
3B1
5
2B1
1
S
10
3B2
6
2B2
15
/OE
16
VCC
U1
FST3257MTCXNL
R180
0R
C3
104
D22
IN4148
D26
IN4148
C65
104/NC
3
1
2
Q35
3904S
R295 10k
R302 47k
R181
10k
R182
100k
R112
5K1
R162
220k/1%
C92
104
R193 39k/1%
C103 220pF
C104
NC
R236 68k
C108 104
C93 105
L113
2.7uH/CD31
L103
4.7uH/3B28
C132
104/25V
C135
226/10V 1210
L112
2.7uH/CD31
8
VIN
3
EN
7
FREQ
1
SW
5
FB
4
COMP
10
BST
6
GND
9
VIN
2
SW
U104 MP4460DQ
R264
33k/1%
R265
1k
R266
6k8/1%
R268
1k/1206
ZD4 5V1
D32
1N4148
D33
RB063L-40
FB7
CBG222
C151 101
FB8
CBG233
FB9
CBG222
FB10
CBG222
FB11
CBG233
C154
101
C155
101
C157
101
R55
10K
D21 RB050L-40
1
WP
2
SD_DEC
3
D1
4
D0
5
GND
6
CLK
7
GND
8
GND
9
3.3V
10
3.3V
11
CMD
12
D3
13
D2
14
REST
15
5V
16
5V
17
D-
18
D+
19
GND
20
GND
21
$/
22
VM
23
$5
24
CVBS
CON3
FB17
FB0603
FB1
FB0603
FB3
FB0603
1 3 5 7
2 4 6 8
RN4
MLV/USB0004
TP1
TP4
TP11
TP12
TP13
R7
33R
R66
33R
R122
33R
R125
33R
R185
33R
R186
33R
R188
10K
R192
33R
1
3
5
7 2
4
6
8
RN11
MLV/USB0004
1
3
5
7 2
4
6
8
RN12
MLV/USB0004
C10 104
TP14
TP15
TP16
TP17
TP18
TP19
TP20
1
TTS_MIC-
2 3
GND
4
TTS_KEY
5
3V3
CON9
C180 103
- +
+ -
1
2
3
4
V-
8
V+
7
6
5
U11
NJM4558
R292 1M
R293
10k
R296
20K
R297
20K
R298
1M
R323
10k
C184 104
C185
104
R329
47R
C186
106
C188
106 R299
10K
R303
100R
C187 104
EC40
47uF/16V
C189
106/0805
C190
106/0805
R41
0R
C30
105/NC
FB34
CBG222
R12 4k7
R15
180k
C83 104
G
S
D
M5
$2
L6
10uH/CD32
TC3
X)9$
TP134
TP135
TP136
TP137
1 2 3 4
CON404
NC
1 2 3 4
CON1
NC
R196
NC/0R
R207
NC/0R
R212
NC/0R
R213
NC/0R
WP
R305
33R
R308
10K
EC21
100uF/16V
EC31 100uF/16V
EC37
100uF/16V
1
OUT1
2
VM1
3
IN1
4
GND
8
VCC
7
OUT2
6
VM2
5
IN2
U124
4558
EC115
47uF/16V
C298 102
R367
16k
C283 102
R341
16k
R342
10k R368 10k
R115
4k7
R366
4k7
C73
104
EC18
10uF/16V
EC20
10uF/16V
EC38
10uF/16V
EC39
10uF/16V
C177
101
C178
101
R272 47k
R273 47k
C179
1uF
SD7
RB063L-40
R164
0R
R214
1k/NC
C41 106/10V/0805/NC
DGND
[7]
MPU_RX1
[7]
MPU_TX1
[2]
GPS_RX
[2]
GPS_TX
[5]
MCU_TX0
[5]
MCU_RX0
DGND
M5V5
[7]
BT_TX
[7]
BT_RX
[7]
BOX_TX
[7]
BOX_RX
[7]
IRQ1
DGND
DGND
DGND
DGND
[5,7]
USB_DET
[7]
USB_SW
DGND
DGND
D5V
[7]
MPU_USBN
[7]
MPU_USBP
B4GND
DGND
DGND
DGND
[3,7]
MPU_RST
5V7
M1GND
M1GND
M1GND
M1GND
D
N
G
1
M
D
N
G
1
M
[5]
USBP_SW
SW_B+
5V7
DGND
DGND
[4]
$8;B9
[4]
$8;B,15
[4]
$8;B,1/
$*1'
B4GND
[7]
MPEG_USBN
[7]
MPEG_USBP
[7]
6'B'$7$
[7]
6'B'$7$
[7]
SD_CMD
[7]
SD_CLK
[7]
6'B'$7$
[7]
6'B'$7$
[5,7]
SD_DECT
SD_3V3
B4GND
DGND
[5] PPT_KEY
D5V
DGND
[3] [3]
TTS_MIC-
$9
DGND
[3] [3]
TTS_MIC-
DGND
[7]
TT
[7]
TTS_VOICE-
DGND
$9
B3V3
S3V3
S3V3
[3,7]
MPU_RST
S3V3
DGND
SD_3V3
S3V3
DGND
DGND
[5,7] RESET
S3V3
$*1'
$9
[4]
5($5/B/
[4]
5($5/B5
[2]
'9'B79B$/
[2]
'9'B79B$5
$*1'
$*1'
$9
[5]
SD_EN