Panasonic WV-CW370 Service Manual page 29

SCHEMATIC DIAGRAM OF POWER 2 BOARD FOR WV-CW374E
POWER 2 BOARD
D5 D7
F1 R24
D
D6 D8
C
5V
Q12
1 4
Q17
R42
10k
2 3
DGND
CN4
GND 1
LP/LPFO 2
B
LLDET/LPFI 3
5V 4
10.5V 5
24V 6
EXT BW/LED 7
GND[24V] 8
Attachment1
Attachment2
TO
POWER 1
Q2
BOARD
E1
Q20 Q21
A
DGND
1
R29
330 1W
TH4 IC4
(VS4)
1 3
VCC OUT
120
GND
1W
2
Q9
Q14
G S
D
5V
Q15 Q16
1 4
R45
10k
OPEN
Q13
D 2 3
R43
G
S
10k
DGND
LP/LPFO
LLDET/LPFI
5V
10.5V
24V
Q1
C8
100/10
R50
R51
0
8.2k
2
24.1V
10.5V 5V 1.8V
IC1
3.31V 3.30V
1 Cont 6
Vin
2 GND_1 5
GND_2
3 Np 4
Vout
IC5
OPEN IC2
2 3 1 3
VIN VOUT INPUT OUTPUT
VSS GND
1 2
C18
4.7/16
IC3
DGND
1 3
INPUT OUTPUT
GND
2
24.0V
L1
OPEN
R11
0
DGND
3.30V
OPEN
JK1
Q19
1
JK1
MONITOR 10
2
OUTPUT
4 R8 100k
JACK
5 R9 0
6 R10 100k
3 4
4-7
CN1
TO
1 FAN-
2 FAN+
FAN
Attachment1
(MO1)
Attachment2
TP14 TP12 TP9 TP3 TP2 TP5
TP13 TP11 TP10 TP8 TP4 TP1
CN7 OPEN
1 3.0V
2 GND
3 GND
CN2
1 GND
2 EXT BW/LED OUT2
3 VIDEO
4 5V
TP17
5 FANSW
TP16
6 GND
7 GND
BW
8 BW LVL
9 2W/4W
10 1.8V
11 3.3TV
12 3.3V
13 10.5V
14 AGC5V
15 DRIVE
UP
16 UP
DOWN
TO
17 DOWN
RIGHT
18 RIGHT MAIN
LEFT
19 LEFT
BOARD
SET
20 SET
CN4
21 TXDET/FMFR
TP27 22 SD/AUDIO-V
TP20 TP19 TP18
23 DUMP
TP28
24 RDIN
ALARM
25 ALARM/AP
26 ACTS
27 LP/LPFO
28 LLDET/LPFI
29 GL/FLK/LED OFF
30 REF
UPSIDE
31 UPSIDEDOWN
BWSW
32 BWSW
INT
33 INT/LL
Attachment1
Attachment2
Attachment3
TP32 TP25
Attachment4
TP33 TP31 TP68
CN5
INT
1 INT/LL
UPSIDE
2 UPSIDEDOWN
ALARM
3 SOFT/SHARP
BWSW
4 BWSW
BW
5 BW LVL
LEFT
6 LEFT
RIGHT
7 RIGHT
UP
8 UP TO
DOWN
9 DOWN
SW
SET
10 SET
BOARD
11 3.3V
CN1
12 10.5V
13 AGC5V
14 GND
15 +5V
16 GND
17 LED ON/OFF
18 GND
19 GND
20 GND
TP67 TP65
TO
CN6
VIDEO
1 VIDEO OUT
OUTPUT
2 VIDEO GND
CABLE
(E12)
DGND
5
<INDEX>
POWER 2 BOARD
IC1 C3,C4
IC2 C3,C4
IC3 C3,C4
IC4 D2
IC6 A2
Q1 B2
Q2 B1,B2
Q9 C2,D2
Q12 C2
Q14 C2
Q15 C2
Q16 C2,B2
Q17 C1
Q20 A1
Q21 A2
D3 A2
D5 D1
D6 D1
D7 D1
D8 D1
D9 D2