Input Key - Sony SDM-N50R Service Manual

B ( GV IF RECEIVER
SUB SYSTEM CONTROL,INVERTER
CN502
SDT P 3
F
2
SDT GND
SDT N 1
TO
IC603
U BOARD
DC-DC
CN406
DD ON3
5 V+ SHDN 3
2 3/5
CS 6
1 OUT EXT 7
IC604
CONTROL
D G
S
VCC
(IC601)
IC602 +3.3V REG
CN504
1 IN OUT 3
1
SW
DD ON2
CTL 2
Q601
GND
8
9 5V(SENS)
10
12V 11
12V
12V 12
12V 13
12V 14
12V 15
12V 16
5V 17
5V 18 STBY 5V
G
19
20
TO
21
U BOARD
DD ON U 22
CN402 80 CKOT
FL601
HP STAT 23 5 HP STAT
MUTE
24 8 MUTE
CS N 25 7 CSN
SI 26 SOT1
22
FL602
21 SCK1
SCK 27
CPU ST 28 48 CPU ST
29 SDA0
SCL 29
SDA 30 28 SCL0
76 RCT
IC503 WDT RESET
SW
6 RCT CK 3 78 CK
Q501
RST 8
77 RSTX
52 HSTX
CN503
T MODE 1 49 MD0
T AUX3 51 MD2
2
TVPP1 3
TRES 4
E
T AUX 5 85 TAUX
TCK 6 SCK
18
TO RXD 7 20 SIN
A BOARD TXD 8
19 SOT
CN108
GND 9
SUB 5V 10
INV.
PWM
69
Q651
SW
INVERTER
Q652 Q653
INVERTER
5V(SENSE)
Q654
IC651(1/2)
IC651(2/2)
2
-
5
+
7 3
6 +
-
)
IC601
CN505
GV IF RECEIVER
1
39 REFRQP GND
R0 31 .
40 SDATAP
30 22
R0 - R5 R0
25
23 RA0
R1
41 SDATAN
24 RA1
R2
REFRQN
42 R5 22
25 RA2
R3
26 RA3
R4
27
RA4
R5
28 RA5
G0 15
29
GND
G0 - G5 G0
30 GA0
G1
31 GA1
G5 10
G2
32 GA2
G3
33 GA3
G4
34 GA4
G5
5 35 GA5
B0
36 GND
B0 - B5 B0
37 BA0
63
B1
38
BA1
B2
B5 62
39 BA2
B3
40 BA3
B4
41 BA4
B5
42 BA5
43 GND
44 GND
CE 38
45 GND
46 GND
47
GND
DE 50 48 LCD DE
49
GND
50 GND
51 GND
SFT CLK 51 52 LCD CLK
53 GND
5V SW 54 GND
Q602
55 GND
56
NC
IC501 57 5V
SUB SYSTEM CONTROL 58
5V
59 5V
DD ON3 79
60 5V
DD ON2 75
CE 38
CN501
1
REMOTE
2 5V(STBY)
KEY 46 3 KEY

INPUT KEY

55 4 INPUT KEY
PW KEY 47 5 PW KEY
PW LED1 1 6 PW LED1
PW LED2 2 7 PW LED2
IN LED1 8
3 IN LED1
IN LED2 4 9 IN LED2
10
5V(SENS)
11 GND
12 SEN1
SEN1 44
SEN2 45 13 SEN2
14 SEN3
15 SEN4
LED CTL 6 16 LED CTL
17
V REF 71 V REF
18 GND
X1 83
X501
X0
82
I SENS 43
12V
T651
CN507
1 6
3
HOT
2 NC
1 GND
4
3 7
T652
CN508
1 6
3 HOT
1
2
NC
4 1 GND
3
2
5 7
B-SS3514<J>-B-24
LCD PANEL
H
TO
H BOARD
CN901
TO LAMP
SDM-N50R(E) 3-2