Philips PET836 Service Manual page 22

5
CIRCUIT DIAGRAM- MAIN BOARD_CONNECT
TP77 TP77 TP78 TP78 TP79 TP79
J9 J9
1.27*3 1.27*3
R188 R188
1
RST
R189 R189
2
P_SW2
R190 R190
D 3
P_SW1
R191 R191
4
ADKEY
5
GND
C182 C182 C183 C183 C184 C184 C185 C185
RFGND RFGND RFGND RFGND RFGND
J57 J57
35PIN 0.5MM DOWN 35PIN 0.5MM DOWN
DVCC3 VCC5
C
TP88 TP88
+5V
1
1
2
2
3
3
4
4
5
5
IR
6
6
7
7
VR
8
8
9
9
VG
10
10
11
11
VB
12
12
13
13
CLK1
14
14
CLK2
15
15
CLK3
16
16
17
17
STH1
18
18
STH2
19
19
OEH
20
20
21
21
22
22
23
23
OEV
24
24
CPV
25
25
STV2
26
26
STV1
27
27
28
28
B
VGH
29
29
VGLOUT
30
30
31
31
VLCDPW
32
32
LED_BRIGHTNESS
33
33
CHARGE_LED
34
34
35
35
TP80 TP80
RFGND
A
5
4
VCC5V
R187 R187
2K/0402 2K/0402
0R/0402 0R/0402 SYS_RESET
0R/0402 0R/0402 POWER_SW
0R/0402 0R/0402 POWER_KEY
0R/0402 0R/0402 ADKEY2
TP89 TP89 TP90 TP90 TP91 TP91 TP92 TP92 TP93 TP93 TP94 TP94 TP95 TP95 TP96 TP96
IR 8
VR 8
VG 8
VB 8
CLK1 8
TP45 TP45 TP46 TP46 TP47 TP47
CLK2 8
CLK3 8
STH1 8
VCOM
OEV 8
CPV 8
STV2 8
STV1 8
ADKEY1 8
VGH 1
VLCDPW 8
LED_BRIGHTNESS 8
CHARGE_LED 1
TP81 TP81 TP82 TP82 TP83 TP83 TP84 TP84 TP85 TP85 TP86 TP86 TP87 TP87 TP97 TP97 TP98 TP98 TP99 TP99
R235 R235 4K7/0402 4K7/0402
EC44 EC44 10uF/16V 10uF/16V
8 VCOMOUT
EC4.0-2.0 EC4.0-2.0
R166 R166
100K/0402 100K/0402
4
3
STH2 8
OEH 8
2 CDMDI
2 DVDMDI
2 CDLDO
2 DVDLDO
2 E
VCC5
L59 L59 100mHz/600/0402 100mHz/600/0402
R234 R234
C199 C199 C200 C200
UTC4558/SOP-8 UTC4558/SOP-8
U6 U6
12K/0402 12K/0402 1uF/10V/0402 1uF/10V/0402 0.1uF/16V/0402 0.1uF/16V/0402
1 8
OUT1 V+
R217 R217 560R/0402 560R/0402
2 7
IN1- OUT2
R219 R219 4K7/0402 4K7/0402
3 6
IN1+ IN2-
R218 R218 4K7/0402 4K7/0402
4 5
-5V1
GND IN2+
R220 R220
4K7/0402 4K7/0402
EC15 EC15 100uF/16V 100uF/16V VCOM
ECD6.3-2.5 ECD6.3-2.5
C201 C201
180pF/50V/0402 180pF/50V/0402
New VCOM Circuit
3
2
2 TRAY+
2 TRAY-
2 TRAYIN
TRAY_OUT
2 TRAY_OUT
2 8CMDISC_DET/TRAY-IN
2 FGIN
12CMDISC_DET/DISC TYPE
2 12CMDISC_DET/DISC TYPE
IN_SW
2 IN_SW
2 DMEA
2 SCO
2 SPDLO
2 FCO
2 TCO
2 VREF2
2 VREF1
TP67 TP67 TP66 TP66 TP65 TP65 TP64 TP64 TP63 TP63 TP62 TP62
SERVO_33
2 F
2 A
TP40 TP40 TP41 TP41 TP42 TP42 TP43 TP43 TP44 TP44
2 B
2 C
2 D
2 PUHRF
2 LDSW
2 HOME
R236 R236 4K7/0402 4K7/0402
VCOMDC 8
2
1
ADKEY2
ADKEY2 8
SYS_RESET
SYS_RESET 2
POWER_KEY
POWER_KEY 1
POWER_SW
POWER_SW 1
SERVO_33
M+3.3V
TP58 TP58 TP57 TP57 TP56 TP56 TP55 TP55 TP54 TP54 TP53 TP53 TP52 TP52 TP51 TP51
RFGND
J6 J6
M+5V
M+3.3V 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
27
28
29
30
31
32
33
TP61 TP61 TP60 TP60 TP59 TP59
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
TP50 TP50
RFGND TP68 TP68
TP76 TP76 TP75 TP75 TP74 TP74 TP73 TP73 TP72 TP72 TP71 TP71 TP70 TP70 TP69 TP69
50PIN/0.5mm/DOWN 50PIN/0.5mm/DOWN
1
D
C
B
52
51
RFGND
A