Panasonic WJ-HD500 Service Manual page 42

MAIN BOARD (8/10)
5RESET
(1/10)
E27REC
(9/10)
L702 8R2
V5D
C702
10/16
EY(0-7)REC
C701
EC(0-7)REC
(9/10)
104
1 BOSD
EY0REC 2 GD0
EY1REC 3 GD1
EY2REC 4 GD2
EY3REC 5 GD3
C
EY4REC 6 GD4
EY5REC 7 GD5
IC756
EY6REC 8 GD6
(9/10) EHSREC 2 D 5 EY7REC 9 GND
Q
10 GD7
3 CK 6 EC0REC 11 BD0
#Q
EC1REC 12 BD1
EC2REC 13 BD2
EC3REC 14 BD3
15 OSDSW
C703
104 16 CDGSWB
C704
10/16
PALnNT
(1/10)
EVSREC
(9/10)
B
(10/10) E27PLY
L752 8R2
V5D
C752
10/16
EY(0-7)PLY
C751
EC(0-7)PLY
(10/10)
104
1 BOSD
EY0PLY 2 GD0
EY1PLY 3 GD1
EY2PLY 4 GD2
EY3PLY 5 GD3
EY4PLY 6 GD4
IC756
EY5PLY 7 GD5
EHSPLY 12 D 9 EY6PLY 8 GD6
(10/10)
Q
EY7PLY 9 GND
11 CK 8 10 GD7
#Q
EC0PLY 11 BD0
EC1PLY 12 BD1
EC2PLY 13 BD2
EC3PLY 14 BD3
V3D C753 15 OSDSW
104
16 CDGSWB
14
C754
VCC 10/16
1 13
#R1 #R2
4 10
#PR1 #PR2
GND
A
7
IC756
C771 104
(1/10) PALnNT
EVSPLY
(10/10)
1
Note: The value indicated in the schematic diagram
should be read as follows:
<Example>
For Resistor:
Multiplier (0 - 5)
2nd. Significant Digit (0 - 9)
1st. Significant Digit (1 - 9)
SCHEMATIC DIAGRAM OF MAIN BOARD (8/10)
VR701
REC OUT
48
YCOFF
47
YFILON2B
46
VDD
45
YOUT
44
YGND
R719
43
AVDD
391
42 R701 102
IR
41
IC701 AVDD VR701 103
40 C705 104
AVSS
39
VOUT
38
VGND C706 10/16
37 Q701
COUT
36
CGND
35
VREF
34
ADDH C707 104
33
SLABEB
Q757
R775 OPEN
OPEN
4 3
5 2
6 1
C772
OPEN
VR752
OPEN
R777 R776
223 OPEN
C755 104
48
YCOFF
47
YFILON2B
46
VDD
C756 10/16
45
YOUT
44
YGND
43
AVDD
R751 102 VR751 102
42
IR
41
IC751 AVDD
40
AVSS
39
VOUT
38
VGND
37
COUT
36
CGND
35 C757 104
VR751
VREF
34
ADDH MULTI OUT
33
SLABEB
2
For Capacitor
0 33 Ω (Except Electrolytic Capacitor and Tantalum Capacitor):
330 33 x 10 =
0
820 82 x 10 = 82 pF
1 = 560 Ω
561 56 x 10
1000 pF = 0.001 µF
2
3 = 12k Ω 102 10 x 10 =
123 12 x 10
4
104 10 x 10 = 100000 pF =
0R00 = 0 Ω
GND
R722 1R0
V5A
C717 C719 2.2/35
820
R793 OPEN
V5A
Q706
Q759
OPEN
1 6
2 5
3 4
Q758
OPEN
6 1
R782
5 2
OPEN
4 3
C773
OPEN
IC752
R788 V5A
101
5 Z0 4
Z
3 Z1 9
R789
C
0R00 2 Y0 15
Y
1 Y1 10
B
12 X0 14
X
13 X1 11
A
6 ENA 16
VCC
7 VEE 8
GND
(7/10) MDVA
Q507 Q508
(7/10) CPOUT1
R522 R525
101 101
(7/10) PLYSEL
MDSEL
(7/10)
CHAR1
(9/10)
WHITE1
(9/10)
V12
(1/10)
CPOUT0
(7/10)
SPTMSK
(7/10)
MESPLY
(10/10)
WHITE2
(10/10)
CHAR2
(10/10)
3
For Coil:
0 1 µH
010 1 x 10 =
= 8.2 µH
0
8R2 8.2 x 10
1 = 100 µH
101 10 x 10
0.1 µF
– 38 –
AREC
(10/10)
APLY
(10/10)
ASEL
(7/10)
SW11
SUBOUT 1
SPTOUT 4
6 5
IC755
R759 Q754 R761 Q755
102 101 1
3
2
IC755
C761 14
4 9 12
331 6 8
C760 5 10 13
105
7
IC755 IC755
C763 104
IC754
C764
Q752
105
C767
R769
1 IN1 8
GND 820
391
R757
2 SW1 7
OUT
101
3 IN2 6 C765 104
VCC C769 2.2/35
Q756
4 SW2 5 R767 222
IN3
Q753 R768 242
L753
8R2
IC558
1 I 2
O
G
∗
3
NTSC PAL
C768 200 OPEN
L754
8R2
IC505
Q504 R511 Q505
101 1
3
2
C511 14
4 9 12
331
6 8
C510 105 5 10 13
7
IC505
IC505 IC505
C513
104
R506 102
IC504
C514 105
C517
R519
1 IN1 8
GND
820
391
R507
2 SW1 7
OUT
101
3 IN2 6 C515 104
VCC C519 2.2/35
4 SW2 5 R517 152 Q506
IN3
R518 162
Q503
4 5
< INDEX >
MAIN BOARD (8/10)
CN12
IC504 A4
1 A5V
IC505 A5
2 AGND
IC558 B5
3 AREC
4 AGND IC701 C2
5 APLY
IC751 A2/B2
6 AGND
IC752 A3/B3
7 ASEL
IC754 B4
8 AGND
2
9 SUBSPT OUT IC755 B5,C5
3
10 AGND
IC756 A1,C1
11 PLYOUT
TO Q503 A4
REAR Q504 A4
Q505 A4
BOARD
Q506 A5
. . CN12
Q507 A3
Q508 A3
Q701 C3
Q706 C3
Q751 B3
Q752 B4
Q753 B4
Q754 C4
OHOR1
(9/10) Q755 C4
Q756 B5
11 OBLNK1
(9/10)
< VOLTAGE >
MAIN BOARD (8/10)
IC504 IC505 IC558 IC752 IC754 IC755 IC756
Pin 1 2.4 0.5 12.0 2.5 2.5 0.5 3.1
2 0 0.5 5.1 0 0 0.5 2.8
3 2.3 4.6 0 2.5 2.0 4.6 1.3
4 0 0.5 1.8 0.1 0.5 3.1
5 2.3 0.5 1.8 2.3 0.5 2.9
6 5.0 5.0 0 5.0 5.0 0.2
7 1.6 0 0 1.7 0 0
8 0 0.5 0 0 0.5 0.2
9 4.6 0 4.6 2.9
10 5.0 5.0 5.0 3.1
11 4.6 0.2 4.6 1.3
V5YY (9/10)
12 0.5 0.2 0.5 2.8
13 0.5 0.2 0.5 3.1
14 5.1 2.5 5.1 3.1
15 2.5
16 5.0
B C E Q751
V5ZZ Q503 1.9 0 2.5 1 0
(10/10)
Q504 2.3 5.1 1.7 2 0.6
Q505 4.7 0.5 5.0 3 1.2
Q506 1.6 0 2.3 4 0
Q507 0 0 0.7 5 1.2
Q508 1.9 0 2.5 6 1.8
Q701 0.3 0 0.9
OHOR2
(10/10) Q706 0.9 0 1.6
Q752 1.8 5.1 1.2
Q753 1.2 0 1.9
11 OBLNK2
(10/10)
Q754 2.5 5.1 1.9
Q755 4.8 0.5 5.0
Q756 1.7 0 2.4
< WAVEFORM >
MAIN BOARD (8/10)
1. 10 µs/DIV, 0.2 V/DIV
2. 10 µs/DIV, 0.2 V/DIV
3. 10 µs/DIV, 0.2 V/DIV