Schematic Diagram Of H Board - Sony SDM-N50R Service Manual

(3) Schematic Diagram of H Board

1 2 3
A
B
H
USER
CONTROL
C
D
E
F
R930
R931 R932
82 82
1/4W
1/4W 1/4W
DNP319-1
C933
22
Q931
16V
DTC143TKA-T146 3.6
SW
1.5
G
H
4 5 6
R910 R909 R908 R907
R906
8.2k 2.7k 1.5k 820 3.3k
1/16W 1/16W 1/16W 1/16W
1/16W
R905
680
1/16W
S907 S903 S902
S905 S904
SW-1 SW-1 SW-1 SW-1 SW-1
MENU
+ -
2 2 2
1 1 1
C901
0.01
25V
B
3 4
IC901
IS455J
SENSOR
2 1
4.4
R911
560k
1/16W
5V
5V (STBY)
R934
R933
4.7k
82 82 R935
1/4W 22k
D930
D931 DNP319-1
3
Q903
PN109F
C931
SW
3.6 1
1
10V
1.5
C930
R940 C934
2.2
R941 470k R939
0.1
6.3V
1/16W 15k
100k 16V
1/16W
1/16W
Q930 Q904
DTC143TKA-T146 2SA1037AK-T146
SW SW
7 8 9
STBY5V
INPUT
R904 R903 R902 S906
680 2.4k 680
SW-1
1/16W 1/16W
1/16W
D901 S901
SW-1
BRPG1201W-TR
1 3
POWER
D915
MA8082
D914
2 4 MA8082
2 2 2
D906
MA8082-H-TX
1 1 1
D908 D907
MA8082-H-TX MA8082-H-TX
C902
22
16V
IC902
µPC324G2-E2
3.8
0.8
OUT1 OUT4
IN1- IN4-
3.5
IN1+ IN4+
4.4
V+ V-
2.1 3.8
D905
IN2+ IN3+
1SS355
0.2 0.2
IN2- IN3-
3.8 3.8
D912
OUT2 OUT3
R938 MA8082
1 2
270k C905 C908
R925
1/16W 22
0.1
910k
10V
1/16W 25V
10 11 12
5V (STBY)
C903
22
16V
CN901
D913
18P
MA8082
18 REMOTO
17 5V(STBY)
16 KEY
15 INPUT_KEY
14 PW_KEY
13 PW_LED1
12 PW_LED2
11 IN_LED1
10 IN_LED2
9 5V(SENS)
8 GND
7 SEN1
6 SEN2
5 SEN3
4 SEN4
3 LED_CTL
2 VREF
1 GND
TO B BOARD
CN501
D916
MA8082
B-SS3514<J..>-H(24)
13
SDM-N50R(E) 3-20