Sharp XG-PH70X (serv.man8) Service Manual ▷ View online
XG-PH70X/XG-PH70X-N
8 – 1
XG-PH70X
Service Manual
CHAPTER 8.
SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM
GRAM
1. VOLTAGE MEASUREMENT CONDITION:
1. Voltages at test points are measured at the supply voltage of AC
100V/CROSS 10V-240. Signals are fed by a color bar signal gener-
ator for servicing purpose and the above voltages are measured
with a 20k ohm/V tester.
ator for servicing purpose and the above voltages are measured
with a 20k ohm/V tester.
2. INDICATION OF RESISTOR & CAPACITOR:
RESISTOR
1. he unit of resistance “
Ω” is omitted.
(K=k
Ω=1000 Ω, M=MΩ).
2. All resistors are
± 5%, unless otherwise noted.
(J=
± 5%, F= ± 1%, D= ± 0.5%)
3. All resistors are 1/10W, unless otherwise noted.
4. All resistors are Carbon type, unless otherwise noted.
: Solid
: Cement
: Oxide Film
: Special
: Metal Coating
CAPACITOR
1. All capacitors are
µF, unless otherwise noted.
(P=pF=
µµF).
2. All capacitors are 50V, unless otherwise noted.
3. All capacitors are Ceramic type, unless otherwise noted.
(ML): Mylar (TA): Tantalum
(PF): Polypro Film (ST): Styrol
CAUTION:
This circuit diagram is original one, therefore there may be a
slight difference from yours.
slight difference from yours.
SAFETY NOTES:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
IMPORTANT SAFETY NOTICE:
PARTS MARKED WITH “
” (
) ARE
IMPORTANT FOR MAINTAINING THE SAFETY OF THE
SET. BE SURE TO REPLACE THESE PARTS WITH
SPECIFIED ONES FOR MAINTAINING THE SAFETY AND
PERFORMANCE OF THE SET.
SET. BE SURE TO REPLACE THESE PARTS WITH
SPECIFIED ONES FOR MAINTAINING THE SAFETY AND
PERFORMANCE OF THE SET.
C
W
S
T
N
XG-PH70X/XG-PH70X-N
8 – 2
[2] SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
9
10
8
J
A
B
C
D
E
F
G
H
I
MAIN Unit-1
TO POWER UNIT
TO P
TO BALLAST1
TO BALLAST2
LAMPCON1
SCI1
PCON0
PCON0
PCON0
DMI1
SCI2
LAMPCON2
DMI2
LEAF
6
ECO1
4
ECO2
4
N-LIGHT1
4
N-LIGHT2
4
MTRCLK
2
EXT_ARSTZ
2
SSPO_CSO
2
SSPO_DO
2
SSPO_CLK
2
PCON0
6
CWTACH
2
4
4
B+2V5
B+13V
BU+4V
B+5V7
B+3V3
B+2V5
B+3V3
B+5V7
B+3V3M
B+5V7
B+3V3AT
BU+4V
B+5V1
B+5V1
B+5V1
B+5V7
C7016
0.1U
0603
FB7004
MLB-201209-0080P-N2
0805
MLB-201209-0080P-N2
0805
FB7005
1K 0603
R7002
R7010
NC 0603
FB7002
MLB-201209-0080P-N2
0805
C7005
0.1U
0603
15KF
0603
R7038
10KF 0603
R7013
IC7005
PQ05DZ1U
5
3
1
4
2
GND
VOUT
VIN
ADJ
CTL
R7004
NC 0603
1,1/4W 1206
R7012
DAN202K
D7001
1
3
2
R7025
1,1/4W 1206
FX8
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
FB7003
NC 0805
NC 0603
R7001
100 0603
R7022
Q7003
DTC114EUA
2
3
1
Q7004
DTC114EUA
2
3
1
+ C7019
10U/25V
AL
MLB-201209-0080P-N2
0805
FB7001
R7008
1K 0603
DAN202K
D7005
1
3
2
C7015
0.1U
0603
1K 0603
R7006
C7001
0.1U
0603
+
3
2
R7009
NC 0603
C7017
0.1U
0603
C7002
0.1U
0603
R7024
100 0603
0
R7043
2512
IC7006
PQ1R33
1
2
3
4
5
6
VC
GND
NR
OUT
GND
Vin
CN7001
85204-0200
1
2
3
4
15KF
0603
R7037
DTC114EUA
Q7005
2
3
1
NC
0603
R7005
CN7003
A2005WR0-2C17P
1
3
5
7
9
11
13
15
17
19
21
23
25
27
2
4
6
8
10
12
14
16
18
20
22
24
26
28
29
30
31
32
33
34
1
3
5
7
9
11
13
15
17
19
21
23
25
27
2
4
6
8
10
12
14
16
18
20
22
24
26
28
29
30
31
32
33
34
DTC114EUA
Q7001
2
3
1
CN7004
85204-0500
1
2
3
4
5
6
7
+
10U/25V
AL
C7003
NC 0603
R7011
CN7005
85204-0600
1
2
3
4
5
6
7
8
+
100U/16V
AL
C7004
R7003
0 0603
IC7001
PQ3DZ13
5
3
1
4
2
GND
VOUT
VIN
ADJ
CTL
R7007
1K 0603
CN7002
NC(85204-0200)
1
2
3
4
XG-PH70X/XG-PH70X-N
8 – 3
11
13
12
14
15
16
18
19
17
R UNIT
TO PC(TERMINAL)/B
LAMPEN
LAMPCON1
LAMPCON2
PCON0
232CFWP
FANPOW
4,9,10,11
PCON1
2,3,6,11
TEMP2
8
LAMPPOW2
LAMPPOW1
4,11
LAMP_PEN1
4
LAMP_PEN2
4
NLIGHT1
4
NLIGHT2
4
B+12VMTR
B+13V
B+5V7
B+5V1
B+1V5AT
B+5V7
B+3V3
B+16V
B+2V5
B+13V
B+3V3
B+3V3
B+5V1
B+3V3
B+12VMTR
B+2V5
B+13V
B+12VM
B+5VM
B+3V3AT
B+3V3
B+5V7
B+5V1
NC 0603
R7031
0.1U
0603
C7025
+
47U/25V
AL
C7012
NC 0603
R7032
R7016
1,1/4W 1206
NC
0603
R7017
3
4
OUT
ADJ
+
10U/25V
AL
C7013
1K 0603
R7030
CN8001
FX8C-80P-SV2
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
+ C7009
47U/25V
AL
+
22U/16V
AL
C7006
0.1U
0603
C7014
R7015
10KF
0603
100
0603
R7039
DAN202K
D7004
1
3
2
D7002
DAN202K
1
3
2
0
R7042
2512
+
10U/25V
AL
C7024
0.1U
0603
C7008
IC7008
PQ12DZ1U
5
3
1
4
2
GND
VOUT
VIN
ADJ
CTL
R7018
10KF 0603
100 0603
R7020
1,1/4W 1206
R7028
100 0603
R7040
C7022
0.1U
0603
NC 0603
R7026
D7003
DAN202K
1
3
2
+ C7020
100U/16V
AL
1K
0603
R7033
D7006
DAN202K
1
3
2
S7001
2
3
4
7
6
1
8
5
NC 0603
R7019
IC7026
SN74LVC2G32DCTR
6
1
2
5
7
3
8
4
2B
1A
1B
2A
1Y
2Y
VCC
GND
IC7003
PQ05DZ1U
5
3
1
4
2
GND
VOUT
VIN
ADJ
CTL
512
IC7007
74HCT08PWT
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1B
1Y
2A
2B
2Y
GND
Vcc
4B
4A
4Y
3B
3A
3Y
IC7004
PQ12DZ1U
5
3
1
4
2
GND
VOUT
VIN
ADJ
CTL
IC7002
PQ015EZ1
5
3
1
4
2
GND
VOUT
VIN
ADJ
CTL
1K 0603
R7029
1,1/4W 1206
R7021
100 0603
R7027
1K 0603
R7035
+ C7010
100U/16V
AL
10KF 0603
R7034
R0-2C17P
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
C7011
0.1U
0603
0 0603
R7023
1,1/4W
1206
R7014
DAN202K
D7007
1
3
2
100
0603
R7041
10KF 0603
R7036
+ C7007
100U/16V
AL
0.1U
0603
C7026
+
47U/25V
AL
C7021
XG-PH70X/XG-PH70X-N
8 – 4
1
2
3
4
5
6
7
9
10
8
J
A
B
C
D
E
F
G
H
I
MAIN Unit-2
TO MOTOR
(FOCUS&ZOOM)
FOCUS-
FOCUS+
ZOOM-
ZOOM+
MTRSIDO
MTR_CLK
MTRRSTZ
MTRSICLK
MTRSIDI
MTRSICSZ
PCON1
1,3,6,11
LAMPPOW
4
Z+
4
Z-
4
F+
4
F-
4
EXT_ARSTZ
1
SSPO_DO
1
SSPO_CLK
1
MTRCLK
1
CWTACH
1
SSPO_CSO
1
BREAK
4
B+5V
B+13V
B+5V7
B+5V
+12VH
B+5V1_FB2701
B+5V1_FB2701
B+5V1_FB2701
B+5V1_FB2701
B+5V1_FB2701
B+5V1
BA6417F
IC2705
1
2
3
4
5
6
7
8
OUT1
Vm
VCC
Fin
Rin
Vref
OUT2
GND
D2
C2743
220P
0603
FB2701
MLB-201209-0080P-N2
0805
10KF
R2719
0603
NC
C273
0603
C2710
2.7KP
0603
R2701
100 0603
C2740
220P
0603
1K
0603
R2748
1,1/4W
R2720
1206
NC
R2724
0603
3M
R2718
0603
100
R2702
0603
+
47U/25V
C2724
AL
R2756
10KF
0603
1K
0603
R2751
1K
0603
R2750
CN2702
A2001WR2-6P
1
2
3
4
5
6
1K
0603
R2749
+
10U/25V
C2723
AL
C2709
0.1U
0603
C2716
0.1U
0603
+
NC
C2729
0603
IC2703
A8904SLB
1
15
11
16
20
21
23
22
9
17
5
10
8
2
3
4
12
13
14
24
6
7
18
19
VBB
VDD
BRAKEZ
OSC
RESETZ
CSZ
DATAIN
CLOCK
OUTC
DATAOUT
OUTA
CNTRTAP
OUTB
CD2
CWD
CST
CRES
FILTER
SECDAT
CD1
GNDA
GNDB
GNDC
GNDD
3
2
IC2702
LB1831M
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
GND
VCC
Z(+)
Z+(M)
VS
Z-(M)
Z(-)
GND
GND
NC
GND
GND
GND
GND
GND
F(+)
F+(M)
VS
F-(M)
F(-)
R2715
10KF
0603
C2711
0.1U
0603
IC2708
SN74LVC1G14
1
2
3
4
5
NC
IN
GND OUT
ADD
NC
R2722
0603
NC
R2752
0603
+ C2704
10U/25V
AL
R2754
10KF
0603
C2718
0.22U/16V
0603
0.01U
C2726
0603
R2711
100 0603
100
R2705
0603
R2712
100
0603
10KF
R2721
0603
NC
R2740
10
R2739
100
R2706
0603
Q2701
C144EUA
2
3
1
10KF
R2741
0603
R2713
100 0603
C2741
220P
0603
0.01U
C272
0603
C2744
220P
0603
R2710
100
0603
R2755
10KF
0603
+ C2708
10U/25V
AL
IC2704
PQ12DZ1U
5
3
1
4
2
GND
VOUT
VIN
ADJ
CTL
R2757
10KF
0603
IC2701
PQ05DZ1U
5
3
1
4
2
GND
VOUT
VIN
ADJ
CTL
0
R2753
0603
C2742
220P
0603
100
R2704
0603
+ C2707
10U/25V
AL
4.7,1W
R2738
2512
D2701
DAN202K
1
3
2
5.6KP/50V
C2720
0603
C2706
0.01U
0603
D2
100
R2703
0603
R2709
10KF
0603
0.15U/16V
C2722
0603