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CIRCUIT DIAGRAM - LCD + KEY + REOMOTE INCEPT BOARD
CN501
STANDBY_KEY
1
2
3
4
5
6
LCD SECTION
DIGITAL TUNER SECTION
CN203
B201
100P
C207
BPF
C209
20P
C294
20P
X201
C295
32.768KHz
20P
223
C296
4 - 1
R502
3K6
R504
5K6
R503
R505
2K4
KEY0
S502
S501
S503
S504
KEY1
KEY0
SOUNCE
SKIP-
SKIP+
PLAY
BACKLIGHT_CTL1
BACKLIGHT_CTL2
+3V3
ET8861S
IC601
TUNER PART
20P
C205
C211
L202
IC201
C299
R202
105
1K
TUNER/DAB_3V3
1
24
2
23
223
R201
1K
3
22
C210
105
4
21
TUNER/DAB_3V3
5
20
0R
R219
HW_SDA
6
19
470R
R216
10k
R213
HW_SCL
7
18
8
17
TUNER/DAB_3V3
TUNER/CP_ RESET
9
16
10k
10
15
R218
10k
R214
R208
1K
470R
R215
11
14
12
13
4705/4704
KEY1
D502
R511
1N4148
R509
10K
1K5
R506
12K
R507
43K
STANDBY_KEY
S508
S505
S506
S507
STANDBY
STOP
VOLUME-
VOLUME+
SPI_MOSI
L602
FB1K
CLOSE_DET
R608
0R
L603
OPEN_DET
FB1K
L604
FB1K
BACKLIGHT_CTL2
SPI_CLK
FB1K
L605
R607
0R
BACKLIGHT_CTL1
+3V3
SPI_CS0
R601
1K
0R
R606
SPI_CS0
R602
1K
SPI_CLK
R603
1K
SPI_MOSI
S601
S602
LCD
LCD601
CN201
1
2
L211
3
0R
TUNER/DAB_3V3
4
FB1K
5
6
7
1
8
2
9
10
11
L209
0R
12
TUNER/CP_ RESET
HW_SCL
HW_SDA
4 - 1
1K8
S509
OPEN/CLOSE
IR401
R94EV1A
C401
104
CON9_S
1
2
3
4
FB 1K
5
L601
6
7
8
9
CN601
OPEN_DET
1
3
2
CLOSE_DET
DC201
CN901
L906
FB
1
L907
FB1K
2
L908
FB1K
3
4
L909
FB1K
5
L910
FB1K
6
L911
FB
CN401
1
2
3
CN902
USB_PORT
1
2
3
$$$1
4
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