Schematic Diagram - Main Board (3/3) - Sony XR-CA670X Service Manual

XR-CA670X
6-5. SCHEMATIC DIAGRAM – MAIN Board (3/3) – •
(3/3)
C1
C2
C3
C4
C5
(Page 17)
C6
C7
C8
C9
C10
C11
C12
C13
See page 22 for IC Block Diagram.
RESET SIGNAL
R621 GENERATOR
100k
IC602
XC61CN4302MR
RST V
G
C622
0.1F
S702 5.5V
C621
RESET 0.1
TEL
R636
100k
ACC
R633 R631
47k 4.7k
Q631
2SC2412K
ACCESSORY
CHECK
C631
R634 R632
2.2
4.7k 47k
50V
IC581
BA8270F
UN3 DATA
GND
OUT
DATA
UN4
DATA
I/O
IN
VREF
B/U-C
UN5
CLK
CLK-IN
UN2
BATT
BUS-IN
UN1
RST
RST
BUS-ON
VCC
R586
0
C581
0.1
SONY BUS INTERFACE
R531
100k
Q581
DTC114EKA
BATTERY
DETECT
C623
100
10V
C86
0.001
R652 R651
47k 1k
Q651
2SC2412K
LEVEL R654 R653
10k 10k
SHIFT
D584 UDZ-18B
D585 MA2ZD14001SO
D586 UDZ-18B
R583
100
R584
100
D581
R581
UDZ-6.2B
15k
D582
R582
UDZ-18B
1k
18 18
(Page 16)
-2
-1
Q641
FMC2A
LED DRIVE
D714 D719
R641 R642
UDZ-18B UDZ-18B
1k 1k
R715
100
L-CLK R716 100
L-CE R717 100
L-DA R718 100
SIR R713 100
KEY0 R710 100
KEY1 R711 100
R702
10k
D701 R701
MA111 10k
C583
470
16V
TH501
D671
MA111
R674 220k
R673 10k
RCIN1 R672 100
RCIN0 R671 100
CN701
14P
DOOR-IND
DOOR-SW
+B
LCD-CLK
LCD-CE
LCD-DATA
RE-1(NC)
SIRCS
KEY-0 (Page 19)
KEY-1
RE-0(NC)
FLASH-W
GND
GND
(CHASSIS)
RESET
CN581
8P
BUS CONTROL IN
(FOR SONY BUS)
BUS ON
BUS DATA
BUS CLK
B+
J671
REMOTE IN