MEX-BT5100 - Sony Car Audio Service Manual (repair manual). Page 24

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MEX-BT5100
MEX-BT5100
24
24
5-4.  BLOCK  DIAGRAM  - DISPLAY Section -
- MAIN Section -
FLUORESCENT
INDICATOR
TUBE
FL701
FRONT PANEL CONTROLLER
IC704
SYSTEM CONTROLLER
IC501 (3/4)
RAMBU
67
BU B+
D125
TH351
BATTERY
CHECK
Q110
BU-IN
B-CHK
52
FL_SO1
51
FL_SO2
41
FL_SO3
54
GCP1
BT_LED1,
BT_LED2,
BT_LED3
30
GCP2
47
GCP3
45
FL_CKO1
52
FL_CKI2
42
LATCH
37
FL_CKI3
55
D503
S601
RESET
SONY BUS INTERFACE
IC102
UNISO
57
DATA IN 9
UNISI
56
DATA OUT 8
DATA
I/O
6
UNICLK
58
CLK-IN 11
CLK
4
BUSON
85
BUSON 12
BUS
ON
1
SYSRST
20
RST-IN 13
RST
2
BATT
3
4
5
2
B-DATA
RESET
B-CLK
6
BUS-ON
7
+BATT
CNP102
BUS CONTROL IN
B-CHK 10
GUI_TX
26
GUI_RX
25
DOOR_SW
68
NOSE_SW
3
RESET
75
MAS_PW
27
GUI_SW
28
GUI_RST
18
BUS ON/OFF
SWITCH
Q108, 109, 111
BLUETOOTH
INDICATOR
BK
39
EDGE_TGR1
27
GCP_TGR3
46
EDGE_TGR2
50
KEY0
90
KEY0_SW
72
S701, 702, 901
KEY1
89
ENC701 (2/3), S709 – S714
KEY2
91
S703 – S708
ENTER
77
ENC701 (1/3)
D501
D121
D507
D506
RC_IN1
89
RC_IN0
41
CNJ351
REMOTE IN
VOL
PUSH LIST
X502
32.768kHz
78
77
XOUT
XIN
X701
5MHz
13
12
X2
X1
80
81
X501
18.432MHz
OSCOUT
OSCIN
98
BU +3.3V
AREASEL0
OR GATE
IC705
D511
S503
VOLTAGE
DETECT
IC702
BUS
SWITCH
IC701
Q701
SIRCS
57
REMOTE
CONTROL
RECEIVER
IC703
LED DRIVE
Q801 – 803
LED801 – 803
71, 73, 74
18 SH_IF
14 RESET#
DISP_IF
DISP_RST
FL +3.3V
J
N
25 BUS_TX
26 BUS_RX
DISP_RX
DISP_TX
E
29 RE_IN0
30 RE_IN1
ROTARY
ENCODER
ENC701 (3/3)
50 KEY ACK
74 AD_ON
39 KEYIN0
KEY ACTIVE
SWITCH
Q501
SYS_RST
BUS_ON
LINK_OFF
UNI_CLK
UNI_SI
UNI_SO
BU_IN
B
NOSE_SW
DOOR_SW
SH_POW
RESET
SH_RST
L
MAS_POW
MAS_TX
MAS_RX
BU +3.3V
RESET SIGNAL
GENERATOR
IC502
10k
9k
FREQUENCY
SELECT
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