Sony HCD-U1BT - Block Diagram - FRONT Section

2929
HCD-U1BT
HCD-U1BT
6-2. BLOCK DIAGRAM — FRONT SECTION —
IC303
REMOTE CONTROL
RECEIVER
FL301
S509-S516
BK
LAT
CLK
SI
35
34
33
32
3
38
36
37
35
IC302(1/2)
PANEL CONTROLLER
VFD_BK
VFD_LAT
VFD_CLK
VFD_DATA
94
KEY2
95
3 20 21 22 23 24 25 26 28
KEY1
LED_USB LED_USB_FUNC LED_CD_FUNC LED_TU_FUNC LED_AUDIO_IN_FUNC LED_PLAY LED_PAUSE LED_DISC LED_USB_ILLUMM
XOUT
X301
5MHz
13
XIN
15
RESET
12
I
2
C CLK
29
I
2
C DATA
GC_RESET
I
2
C CLK
I
2
C DATA
30
3
29
30
POWER KEY
SIRCS
LED STANDBY
74
4
91
IC107(2/5)
SYSTEM CONTROLLER
S507
S500-S506,
S508
Q502-Q506
Q508-Q513
LED DRIVE
D501-D505
D507-D513
D500 STANDBY
Q500
LED DRIVE
(FLUORESCENT INDICATOR TUBE)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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