Block Diagram -Display Section - Sony CDX-R5715X Service Manual

3-3. BLOCK DIAGRAM — DISPLAY SECTION —
BATT
Q605
BATT
CHECK
CNJ400
7
( BUS CONTROL )
1 4
IN
2 5
3 6
Q600,601
8
BUS ON
CONTROL
CDX-R5715X/R5810/R6750
KEY MATRIX
41 KEYIN0
LSW901,903-913,
918-921
40 KEYIN1
S902,914-918
D501 (1/2)
KEY ACK ON
52 KEY ACK
Q664
76 XKEY ON
D501 (2/2)
J370
43 RC IN0
(REMOTE IN)
71 RC IN1
BUS INTERFACE
IC601
3 BATT B/U CHECK 10 54 BU IN
4 CLK CLK IN 11 60 UNI CKO
6 DATA I/O DATA OUT 8 58 UNI SI
DATA IN 59 UNI SO
9
D609
1 BUS ON BUS ON IN 12 87 BUS ON
2 RST RST 13
LINK OFF
B/U CHECK
UNI CLK
CD
C
UNI SI
SECTION
UNI SO
(Page 21)
BUS ON
SYS RST
KEY BOARD
7 NOSE SW
D353
88 SYS RST
RESET
IC602
BU+3.3V 2 VDD VOUT 1 77 RESET
S103
RESET
79 XIN
X502
32.678kHz
80 XOUT
SYSTEM CONTROL
IC501 (3/3)
FL901
FLUORSCENT INDICATOR TUBE
FL DA 28 29 DA
FL CLK 29 30 CP
FL CE 27 31 CS
FL+45V 35 VH
FL+4.3V 1 F+
F+
2
FL-1V 47 F-
48 F-
BU+3.3V
10k
AREA SEL0 3 r
9k
S501
( FREQUENCY )
SELECT
R5810 ONLY
SYNCHRO SW 70 PANEL+B
LED961
BATT
LSW901
S961
(DOOR OPEN)
FL ON 19
FSW OUT 18
IR RECEIVER
IC972
IR
SIRCS 64 2 OUT
FSW IN 46
OSC IN 83
X501
18.432MHz
OSC OUT 82
23 23
IC971
+3.3V
FL+3.3V 3 4 PANEL+B
REG
LED902,914-918
LSW918-921
Q622,626
POWER
BATT
CONTROL
5 Q620
ON/OFF
Q624,625 4
DRIVE
IC620
FSW
8 DC-DC
Q621,627
CONTROL
CONVERTER
1 PROTECTION
CDX-R5715X/R5810/R6750
T620
D624
FL+4.3V
FL–1V
D622
FL+45V