FUNAI BH2-M200 Service Manual page 39

Power Supply 2 Schematic Diagram
Q2702
2SA1267Y
(P-DOWN DET)
4
5.2 5.2
4.5
D2701
4V3BSB
R2704
-T26
6.8K
R2702 0
Q2701
6.8K
0.7
2SC3199Y
(P-DOWN DET)
R2703
0
2.2K
R2785 47K
R2730 3.3K
R2733 3.3K
R2734 3.3K
R2748 47K
R2739 47K
R2738 47K
R2743 3.3K
CONTINUE POWER
SUPPLY 1
SAFETY1
DRIVE-SAFETY
DRIVE-SW
3
3V3CONT
R2735 3.3K
R2749 100
R2750 100
CONTINUE POWER
R2751 100
SUPPLY 3
DT-SAFETY
POWER-SW
2
C2707
0.1
SW2701
SKHHLNA010
(NO CONNECTION) CN2107 RESET
BUP+3.3V 1
R2727 R2729
GND 2
10K 4.7K
RESET 3
JC2005
GND 4
1
MODE 5
GND 6
G
D2702 R2705
WIRE 100K
C2706
1000/6.3V
5.2 5.2 5.2 0 3.8 3.8 0 5.2 0 0 0 0 0 0
48 47 46 45 44 43 42 41 40 39 38 37 36 35
3.8
49 SAFETY1
2.0 OPEN/CLOSE-KEY SYS-RESET
50 DRIVE-SAFETY
POWER-KEY DT-REG-CONT
2.2
51 DT-SAFETY SC-AUDIO-MUTE1
5.0
52 BD/HDD-AUDIO-MUTE
0
53 SC2-IN
0
54 NU
5.2
55 KEY-1
5.2
56 NU AUDIO-MUTE-SUB
IC2701
R5F21366CNFA
0.7
57 LCD-CE (SUB MICRO CONTROLLER)
4.4
58 LCD-DATA
4.9
59 LCD-CLK
5.2
60 POWER-SW
5.2
61 DRIVE-SW
62 NU
5.2
63 3V3CONT
SC-AUDIO-MUTE2
5.2
64
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0 5.2 5.2 1.0 0.8 0.9 0 0.8 5.2 5.1 0
R2728
100
X2701
32.768KHz
R2726 C2711 C2701
10K 0.1 27P
C2702
27P
X2703
10MHz
R2732
470
H I
R2737 47K
C2718
100P
R2714
R2771 10K 220K
R2767 4.7K
R2736
100
4.3 5.1
34 33 R2715
100K
D2707
1SS400ST
5.2
1V8CONT 32
D2708
1SS400ST
5.2
1V2CONT 31
5.2
30
0
AUDIO-SW2 29
5.1
AUDIO-SW1 28 R2718
47K
NU 27
NU 26
R2719
2.2M
0
5.2
25
Q2708
0.4
MMBTSC3875G
R2775 10K
0
(SWITCHING)
NU 24 R2720 C2710
100K 22P 0
5.2
FAN-CONT 23
R2777 1K
0
NU 22
R2776 1K
5.1
BACK-LED 21
0
(5.1)
REC2-LED 20
5.2
CEC-IN 19
0 R2723
CEC-OUT 18
10K
R2758
100
5.1
SCL 17
C2717
22P
R2724
10K
0 5.1
R2757
(5.1) 100
C2716
22P
POWER SUPPLY CBA
J
1-15-4
CN2104
9.8
5.0
2.2
5.1
4.7
4.6
3.8
12.1
R2759
3.6K
2.8
R2713
3.6 R2760
2.8
27K
7.5K
3.6 Q2705
MMBTSC3875G
(BUFFER)
4.3
3.8
4.5
Q2718
MMBTSC3875G
3.8
(BUFFER) 5.2
Q2706
0
MMBTSC3875G
3.6 2.8
(BUFFER)
0
3.1 R2764
10K
R2716 R2763
220 4.7K
R2717
4.7K
5.2
Q2707
0
MMBTSC3875G
(SWITCHING)
0
CN2105
4.9
(0)
0
(5.1)
Q2704
MMBTRC102SS 0
5.2
(LED DRIVE)
(0)
0
(5.1)
Q2703
MMBTRC102SS 0
(LED DRIVE)
4.6
0
Q2711
MMBTRC102SS 0
0.1
(LED DRIVE)
5.1
Q2710
MMBTRC102SS 0
(LED DRIVE)
CN2106
K
TO BD/HDD MAIN
CBA UNIT CN7401
1 FAN
2 NU
3 BD/HDD-AUDIO-MUTE
0
4 GND
5 DT-SAFETY
6 DT-REG-CONT
0
7 GND
8 1V2CONT
9 1V8CONT
0
10 GND
11 SAFETY1
12 P-ON+12V
0
13 GND
14 SUB-TXD
15 SUB-RXD
0
16 GND
17 SYS-RESET
18 CEC
0
19 GND
20 AUDIO-MUTE-SUB
CONTINUE POWER
SUPPLY 3
1V8CONT
FAN
FAN-CONT
CONTINUE POWER
SUPPLY 3
EV+3.9V
P-ON+12V
P-ON+5V
CONTINUE POWER
SUPPLY 1
LCD+5V
P-ON+3.3V
SYS+5V
TO FRONT
CBA CN3701
1 NU
2 REC2-LED
3 REC1-LED
4 NU
5 HDD-LED
6 BD/DVD-LED
7 BACK-LED
8 LCD+5V
9 LCD+5V
10 LCD+5V
11 GND
12 LCD-CE
13 LCD-CLK
14 LCD-DATA
15 GND
16 REMOTE
17 KEY-1
18 PLAY-KEY
19 POWER-KEY
20 OPEN/CLOSE-KEY
TO JACK CBA
CN3002
1 NU
2 SC2-IN
3 SC-AUDIO-MUTE1
4 SC-AUDIO-MUTE2
5 AUDIO-SW1
6 AUDIO-SW2
7 GND
8 SCL
9 SDA
10 GND
L
E4V21SCP2