1-12-2
Sub System Control Block Diagram
E4340BLSS
IC601
IC1501
(MAIN MICR
O CONTR
O
LLER)
IC4001
(SUB MICR
O CONTR
OLLER)
RESET
AL+3.3V
IC4002
KEY SWITCH
KEY SWITCH
KEY SWITCH
KEY SWITCH
CN4005
Q4001
AL+5V
SW4001
D4001
PO
WER
CN4006
27
46
1
2
3
52
38
40
39
33
34
22
19
18
V7
A2
Y2
8
9
12
14
30
7
1
2
11
27MHz
X'T
AL
X802
CLK 27 IN
CLK 27 OUT
SYS-RESET
SUB-RXD
SUB-TXD
CN601
SYS-RESET
SUB-RXD
SUB-TXD
CN4001
CN601
CN4001
F
AN-LOCK
PWR-SW
VIDEO-SW1
A
U
DIO-MUTE
A
U
DIO-SW1
A
U
DIO-SW2
SUB-SD
A
SUB-SCL
OSC2
OSC1
XO
XI
RESET
P-DO
WN
VCC
REMO
T
E
OUTPUT
-SELECT
REMO
TE-HDD/D
VD
SUB-KEY
-1
SUB-KEY
-2
60
PO
WER-LED
VIDEO-SW1
SUB-SD
A
SUB-SCL
A
U
DIO-MUTE
A
U
DIO-SW1
A
U
DIO-SW2
D
V
D-REC-LED
HDD-REC-LED
VCR-LED
D
VD-LED
HDD-LED
55
50
FL-SCL
FL-SCL
15
49
FL-STB
FL-STB
48
FL-SD
A
FL-SD
A
17
VCR-CLK
16
VCR-RXD
VCR-TXD
VCR-CS
S-D
A
T
A-IN
24
S-CS
OUTPUT
-SELECT
S-D
A
T
A-OUT
S-CLOCK
8MHz
RESONA
T
OR
X4001
32.768KHz
X'T
AL
X4002
Q4002
Q4003
C4161
(BA
C
KUP CAP
A
CIT
OR)
25
VJ
Q2501
D2501
AL+5V
D
V
D-REC
Q2502
N1
LO
W
-PO
W
F
AN-LOCK
PWR-SW
LO
W
-PO
W
32
41
42
43
REG-CONT
23
F
AN-CONT1
53
REG-CONT
F
AN-CONT1
OUTPUT
-SELECT
AL+5V
EV+2.4V
P-ON+1.5V
VIDEO-SW2
VIDEO-SW2
VIDEO-SW3
VIDEO-SW3
M1
22
SUB-KEY
-1
11
SUB-KEY
-1
11
SUB-KEY
-2
33
SUB-KEY
-1
44
AL+5V
33
AL+5V
10
10
SUB-KEY
-2
11
11
RESET
88
D
VD-REC-LED
77
HDD-REC-LED
44
VCR-LED
66
D
VD-LED
55
HDD-LED
22
DUBBING-LED
55
DUBBING-LED
11
AL+5V
33
PO
WER-LED
30
30
SYS-RESET
29
29
SUB-RXD
27
27
SUB-TXD
26
26
VJ
+1.5V
REGULA
T
OR
SW2508
RESET
PO
WER
D2502
HDD-REC
Q2503
D2503
VCR
Q2504
D2504
DV
D
Q2505
D2505
D2507
HDD
DUBBING
AL+5V
CN2503
CN2501
Q2506
CN2502
CN4002
56
57
DUBBING-LED
31
58
59
T
O
PO
WER SUPPL
Y
BLOCK DIA
GRAM
T
O
VIDEO INPUT SELECT
BLOCK DIA
GRAM
D
VD/HDD MAIN CB
A
PO
WER SW CB
A
A
V
CB
A
F
R
ONT J
A
CK CB
A
OPEN/CLOSE CB
A
T
O
VIDEO
OUTPUT
SELECT BLOCK DIA
GRAM
T
O
A
U
DIO INPUT/OUTPUT
SELECT BLOCK DIA
GRAM
T
O
SER
V
O/SYSTEM
CONTR
OL
BLOCK DIA
GRAM
