Philips PET320 Service Manual page 17

5
1.LED-
2.LED+
3.POL
IF1:H IF2:H CCIR656
4./RESET
IF1:L IF2:H CCIR601
5.SPENA
6.SPCLK
7.SPDAT
8.DB0
9.DB1
D 10.DB2
11.DB3
12.DB4
13.DB5
14.DB6
15.DB7
16.DCLK
17.UD
18.Vdd+5V
19.Vcc+3.3V
20.LRC
VSET:H EXTERNAL
21.VSET
VSET:L INTERNAL
22.DUMMY
23.VGL
UD:H NORMAL
24.DUMMY
UD:L
25.VGH
REVERSE
26.V1
27.V8
28.Vcom
29.DGND
C
30.AGND
PANEL CONNECTOR
B
PGNDA
+5V_TFT
GL -8V
1
R241
R242 10K/J
10K/J
2 1
2
PGNDA
C206
R244 10K/J R256 20K
POLS
1 2 2 1 1 2
10U/6.3V
1
1
R257
R247
33K
2
12K
A
2
GL -8V
5
4
J8
LED-
LED- (11)
1
LED+
2 LED+ (11)
POLS
3
4
PANEL SPI-ENABLE
5
PANEL SPI-CLOCK
6
PANEL SPI-DATA
7
656-D1
8
656-D2
9
656-D3
10
656-D4 TP81
11
656-D5 CCIR_CLK
12
656-D6
13
656-D7
14
656-D8
15
R193
16
17
18
19
20
VSET
21
22
23
24
25
26
27
28
VCOM
29
30
2 2
CON30 PGNDA
R273 R277
DGND 330 47K
1 1
TP88
TP87 VSET
2 2
R274 R278 PGNDA
8.2K 8.2K
1 1
1
PGNDA PGNDA L25
1
GNDP
L26
C229
0.1U/16V
2
U13
4 5
VEE +IN2 1
PGNDA
3 6
+IN1 -IN2
2 7
2
-IN1 OUT2
1 8
OUT1 VCC
1
APC558
+5V_TFT
C207
0.1U/16V
PGNDA
4
3
TP76 TP77 TP78 TP79
POLS PANEL SPI-DATA PANEL SPI-CLOCK PANEL SPI-ENABLE
TP82 TP83
+3.3V_SYS +5V_TFT
+5V_TFT
33
CCIR_CLK (4)
1 2
+3.3V_SYS
L23 1A/600 OHM C228
C198 0.1U/16V NC;;;0.1U/16V
1 2
1 2
R233 10K/J
PGNDA
DGND
C200 C210
TP89
0.1U/16V 2.2U/25V
VCOM
FB46
0
2
0
PGNDA GNDM
TP90
2
DGND 656-D4
0
C205 10U/6.3V
VCOM
1 2
R240
2 2
1K
R275 R276
22K 30K TP94 656-D8
1 1
1 2
R243
VR1
1K NC50K
2 2
R245 R246
20K 1K
1 1
C208 PGNDA
10U/6.3V
3
2
TP80
TFT-RESET
TFT-RESET (4)
PANEL SPI-ENABLE (4)
PANEL SPI-CLOCK (4)
PANEL SPI-DATA (4)
+5V_SYS
VSET
2
R232
10K/J
L22
1
1A/600 OHM
C199 10U/6.3V
1 2
PGNDA
1
TP84 GL -8V
L24 1A/600 OHM
TP85 GH +15V
1
L20 1A/600 OHM
C201 C202
0.1U/16V 2.2U/25V
PGNDA
TP91 656-D3 TP92 656-D2
RP1
656-D1
4
TP93 656-D1
656-D2
3
656-D3
2
656-D4
1
C211 C212 C213 C214
33/J
220P/50V 220P/50V 220P/50V 220P/50V
DGND
TP95 656-D7
TP96 656-D6 TP97 656-D5
656-D5
656-D6
RP2
656-D7
4
656-D8
3
2
C215 C216 C217 C218
1
220P/50V 220P/50V 220P/50V 220P/50V
33/J
DGND
2
1
7.2 Electrical Diagram
of Bottom PCBA
D
2
GL -8V
2
GH +15V
C
5
CCIR_D0 (4)
6
CCIR_D1 (4)
7
CCIR_D2 (4)
8
B
CCIR_D3 (4)
CCIR_D4 (4)
CCIR_D5 (4)
CCIR_D6 (4)
5
CCIR_D7 (4)
6
7
8
A
1