Schematic Diagram - Key Board (1/2) - Sony MEX-BT5100 Service Manual

MEX-BT5100

5-19. SCHEMATIC DIAGRAM - KEY Board (1/2) -

(1/2)
ENC701(1/2)
VOL
CN701
20P
NC
MAZ8068GMLS0
USB_GND
D703 MAZ8068GMLS0
DISP_RX
D702
MAZ8068GMLS0
DISP_TX
RE_IN0
D719
MAZ8068GMLS0
DP_FLS_W
D704 MAZ8068GMLS0
DISPLAY_CONTROL
FL-VDD1(3.3V)
R795 0
LED+10V
D718
GND
MAZ8180GMLS0
DOOR_SW
FL-F1(+,+4.3)
(Page 39)
FL-VSS
FL-VDD2(+55V)
C702 0.1
FL-F2(-,+1.0V)
RE_IN1
D701 MAZ8068GMLS0
RESET(DISPLAY)
GND
GND
MAZ8068GMLS0
D713
KEY_0(KEY_ACK)
FL701
FLUORESCENT INDICATOR
TUBE
R720
100k
C729
0.1
MEX-BT5100
• See page 43 for Waveforms. • See page 45 for IC Block Diagrams.
R721 R731
100 100
D707 D709
MAZ8068GMLS0
BUS_RX
BUS_TX
C730 1 MAS_IF
C703 0.1
D705
RB751V
Q701
KEY_IN0 RT1N441C
INVERTER
R745
KEY_IN1
10k
R003
KEY_IN2
10k
MAZ8068GMLS0
BUS SWITCH
IC701
SN74CB3T1G125DCK
R726
100k
OE VCC
A
R722
100 GND B
R793
22
S13
S12
S11
CLK
LAT
BK
C728 C725
0.1 0.1
• See page 49 for IC Pin Function Description.
R719
100k
R704
100k
REMOTE CONTROL
RECEIVER
R723
100 IC703
RS-470
FLS_
WRT
FLMD1
C721
ENTER
1000p
NC
NC
NC
NC
NC
NC
NC
NC
NC FRONT PANEL CONTROLLER
IC704
NC
μPD703263GC
-111-8EA-A
NC
R746 100
KEY1
R749 100
KEY0
R004 100
KEY2
NC
D715
NC
NC
NC
NC
C723
NC
0.1
NC
C724 R767
NC
1000p 10k
CTR
FLMD
C712
0.1
C731
0.1
C732
0.1
C717
0.1
OUT
GND
40 40
R751
680
C711
0.1
R761
1k
BK
EDGE_TGR2
GCP_EDGE2
GCP_TGR2
R713 22
GCP2
BK
GCP_TGR3
R712 22
GCP3
NC
NC
R711 22 CLK
FL_CKI2
R710 22 S12
FL_SO2
NC
R709 22 BK
BK
NC
R708 22 LAT
LATCH
NC
C710 C722
NC
0.1 0.01
R707 0
EVDD
EVSS
NC
NC
R706 22
GCP1
GCP_TGR1
GCP_EDGE1
BK
EDGE_TGR1
R705 22 BUS_RX
BUS_RX
R701
22k
R703
22
C718
0.1
C709
R742
0.1
100k
IN
VOLTAGE DETECT
NC
IC702
XC61CN2802NR
A1
A2
A3
A4
A5
(Page 41)
OR GATE
IC705
TC7WZ32FK