Philips PET712 series, Service Manual

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STH1
OEV
STH2
OEH
STV2
CKV
VCOMO
CPH1
STH1
STH2
U/D
L/R
STV1
OEV
OEH
CKV
IOB
IOR
IOG
VCOM_T118
IOG IOB IOR
VCOM
VB VG VR
VCOM_T118
T118_CVBS2_Pb
VcomOUT VCOM
T118_CVBS2_Pb CVBS2_PB
STV1
U/D
L/R
CPH1
IOR
IOG
STV2
VCOM
IOB
VGH
BIAS BIAS BIAS
VCC
BIAS +5V
+3V3 +3V3 VDD18
+3V3
VDD18
+5V
VGL
VGL
+3V3
+3V3
+5V
CEXT (1)
VFB (1)
VEA (1)
CSS (1)
VPWM (1)
VPWMN (1)
VPWMP (1)
VEAI (1)
VFBI (1)
CSSI (1)
CEXT1 (1)
OLR (1)
VCKP (1)
VCKN (1)
OLP (1)
RESET
SCL
SDA
VCOM Circuit
R.G.B Circuit
CCFL CONTROL SIGNAL
Input Signal
DC-DC CONTROL SIGNAL
1 2 33 33
R143
22K
R143
22K
+
CB24
47uF/16V
+
CB24
47uF/16V
VCOMO VCOMO
(AY0N)AY1
1
AY0
2
RL
18
UD
19
HSO/POL/VCOM
20
VSO/STH1
23
DEN/STH2
24
CPH1
25
CPH2/sD0
28
CPH3/sD1
29
Q1H/sD2
30
LP/OEH/sD3
31
GCLK/sD4
32
GOE/sD5
33
STV1/sD6
34
STV2/sD7
35
IOB
40
IOG
41
IOR
42
RSET
43
VBFG
44
VCOMAMP
45
VCOMDC
46
(ACR0N)ACR1
3
ACR0
4
VS33ADC1/VS33ADC2
6
PWM1
16
PWM2
17
SDA/IICA3
10
SCL
11
XTALI
13
XTALO
14
XCLK2MC
15
RSTB
9
CPUINT
12
CEXT
52
VFBI
55
VPWMP
56
VPWMN
57
VCKP
58
VCKN
59
CSSI
60
CEXT1
61
OLP
62
OLR
63
GND
7
GND
21
GND
27
GND
37
VS33DAC
39
VS18PLL
48
VS33PWM
64
VD33ADC1/VD33ADC2
5
VDD33
22
VDD33
36
VD33PWM/VD33DAC
47
VDD18
8
VDD18
26
VD5A
38
CSS
50
VEA
49
VFB
51
VPWM
53
VEAI
54
U3
T118
U3
T118
1
2
R95
1k
R95
1k
C141
22PF
C141
22PF
L15 FB L15 FB
L40 10uH L40 10uH
1 2
33 33
1 2
R107 1K R107 1K
C119
10UF/16V C119
10UF/16V
C151
0.1uF
C151
0.1uF
00
C149
1uF
C149
1uF
G5
27MHZ
G5
27MHZ
R152
75
R152
75
R149 0 R149 0
R136
10K
R136
10K
C71
0.1uF
C71
0.1uF
+
C116
10uF/10V
+
C116
10uF/10V
C147
1uF
C147
1uF
L38 2.7uH
0805
L38 2.7uH
0805
C142
22PF
C142
22PF
1 2
R131 0 R131 0
+
CB22
100uF/16V
+
CB22
100uF/16V
CB50
0.1uF
CB50
0.1uF
CB7
0.1uF
CB7
0.1uF
1 2 33 33
C148
1uF
C148
1uF
1 2
R123 1K R123 1K
1 2 33 33
R135
10K
R135
10K
C131 0.47uF C131 0.47uF
1 2
33 33
+
CB013
10uF/16V
+
CB013
10uF/16V
1 2 3 4
5 6 7 8
O/P A
-I/P A +I/P A
GND
+I/P B -I/P B
O/P B
V+
N8
NJM3414AM
O/P A
-I/P A +I/P A
GND
+I/P B -I/P B
O/P B
V+
N8
NJM3414AM
R139
10K
R139
10K
R35 33 R35 33
1 2 33 33
PWM1 PWM1
C159
330pF
C159
330pF
R138 11K R138 11K
1 2
33 33
1 2
RN6 33 RN6 33
R130
6.8K
R130
6.8K
R141
10K
R141
10K
R137
10k
R137
10k
R124
100K
R124
100K
C158
330pF
C158
330pF
PWM2 PWM2
R134
430
R134
430
R126
47K
R126
47K
R125
20K
R125
20K
1 2
RN5 33 RN5 33
R133
430
R133
430
R142
10K
R142
10K
CB49
0.1uF
CB49
0.1uF
L35 601 L35 601
R150
0
R150
0
C150
0.1uF
C150
0.1uF
C39
10uF
C39
10uF
1 2
R115 1.5K R115 1.5K
C111
10uF
C111
10uF
1 2
33 33
1 2
R118 1M R118 1M
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
XS2
30PIN
XS2
30PIN
CB17
0.1uF
CB17
0.1uF
C152
0.1uF
C152
0.1uF
R132
430
R132
430
8.0 ELECTRICAL DIAGRAM
PAC133 MAIN BOARD CIRCUIT DIAGRAM (T118)