PHILIPS 42HF7543-37, 42PF7320A-37, 42PF9630A-37 REPAIR GUIDE
PHILIPS TECHNICAL TRAINING
BP PLASMAPANEL REPAIR GUIDE
USING THE VERSION 4 PDP PANEL
MODELS COVERED
42HF7543/37
42PF7320A/37
42PF9630A/37
Philips Consumer Electronics North America
64 Perimeter Center East
Atlanta, GA 30346
MM102306 REV080607
1
2
3
4
5
VA
GND
+5V
GND
GND
70V
4
5
3
2
1
3
2
1
3
2
1
70V
GND
+5V
CN8005
CN2518
CN2510
CN2604
E
BUFFER
F
BUFFER
1
2
3
4
5
6
7
8
9
10 10
9
8
7
4
6
5
3
2
1
+5V
VG
GND
VSCAN
GND
VSET
GND
GND
VS
VS
CN8104
CN5003
Y
DRIVER
PANEL
9
8
7
4
6
5
3
2
1
15.1V
-190V
+196V
211V
211V
9
8
7
4
6
5
3
2
1
GND
VG
D5V
GND
GND
VE
NC
VS
VS
X
DRIVER
PANEL
CN8002
CN8006
5
GND
GND
GND
D5V
10
9
D3V3
D3V3
8
7
6
RELAY
AC DET
D5V
3
4
2
VS ON
1
5
CN2026
10
9
8
7
6
3
4
2
1
LOGIC
PANEL
STANDBY
+5V2_STBY
PROT AUDIO
LIGHT ON
PWR OK
BKLGH
GND
+5V_CON
5VSW
5
CN1M03
9
8
7
6
3
4
2
1
PWR OK
10
1
8
10
9
6
7
5
4
3
2
1M03
33
8V6
+12V
NC
12V
VTUN NU
5V2
GND
5V_SW
+12V
10
11
8
9
7
CN1M46
6
5
4
10
11
8
9
7
6
5
4
GND
GND
1
2
1
2
POWER SUPPLY
GND
GND
5.2V
3.1V
3V
5V
3.4V
3.4V
(2V),0V
211V
211V
86V
15V
5V
CN4004
SSB
NU
NU
NU
+5V
+5V
(4.3V), 0V
+5V
1M46
B1B
B5E
-20V
-20V
GND
GND
+20V
+20V
DC-PROT 0V
AUDIO-L
GND
AUDIO-R
GND
GND
AUDIO-C
PROT-AUDIO
SOUND-ENABLE
POR
1
2
3
4
5
6
7
8
9
6
9
8
7
4
5
3
2
1
1M06
1M02
4
3
2
1
4
3
2
1
SCL
GND
SDA
GND
123
4
+12V
+12V
GND
GND
213
4
+12V
+12V
GND
GND
213
4
2GND2
SCL11
SDA33
1M49
1M49
1M08
1M10
1M08
1M48
1M49
1M10
RIGHT AMBI LIGHT
LEFT AMBI LIGHT
AUDIO
AMPLIFIER
1M52
1M52
1234567
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
AV1-AV5-AV6_R-PR
AV1-AV5-AV6_GY
AV1-AV6_FBL-HSYNC
SP1-1
SPI-OUT
GLINK-IR-OUT
GLINK-TXT
GLINK-RXD
A-PLOP
SCL-MM-BUS2
SDA-MM-BUS2
LED2
LIGHT-SENSOR
NC
NC
GND
GND
NC
GND
AV1-AV5-AV6_B-PB
10
11
12
13
14
15
16
17
18
19
20
NC
NC
AV6-VSYNC
NC
NC
AUDIO-OUT-2-L
AUDIO-OUT2-R
AUDIO-HDPH-R
AUDIO-HDPH-R
GND
GND
AV2_AV4_B-BP
AV2-AV4_G-Y
GND
+8V6
AV2-AV4_R-PR
NC
Y-CVBS-MON-OUT
AV2_Y-CVBS
AV2_C
4
8
9
7
5
6
1
3
2
28
27
26
25
24
23
22
AUDIO-IN1-L
AUDIO-IN1-R
GND
NC
+5V2-STBY
AV7 Y-CVBS
AV7 C
GND
21
29
30
31
32
33
34
35
36
GND
AUDIO-IN2-L
GND
FRONT Y-CVBS
GND
AUDIO-IN2-R
AUDIO-IN5-L
FRONT C
40
39
38
37
KEYBOARD
AUDIO-IN5-R
LED1
RC
12
11
10
8
9
7
1
4
5
6
3
2
KEYBOARD
NC
LED1
RC
LIGHT SENSOR
+8V6
GND
GND
LED2
+5V2-STBY
SCL-MM-BUS2
SDA-MM-BUS2
2
3
1
3
2
1
1M01
1M01
1M20
1M20
1E401E62
1E62
1E40
GND
KEYBOARD
GND
CONTROL
BOARD
LED PANEL
EXTERNALS
JACK PANEL
1M36
10
11
7
9
8
6
5
3
4
2
1
GND
FRONT_Y-CVBS
GND
FRONT-C
GND
AUDIO-IN5-L
NC
AUDIO-IN5-R
GND
AUDIO-HDPH-L
AUDIO-HDPH-R
SIDE
JACK
PANEL
1M36
+5V-CON
GND12
1M63
USB
MEMORY
CARD
READER
USB
LOGIC
LOGIC
1
2
3
4
5
6
7
8
9
10
11
0
0
2.1
2.1
0
0
0
0
0
0
OFF ON
5.2
3.1
3
0
0
5.2
0
0
3.4
3.4
CN8006
OFF ON
0
0
0
0
0
0
5
111
0
0
0
0
0
8.6
12
5
0
5
111
12
0
12
CN1M46
OFF ON
0
0
0
0
0
0
4.3
0
5
0
0
0
0
0
5
5
0
0
5
5
CN1M03
PIN
*NOTE
ALL OTHER CONNECTORS
ARE ZERO WHEN OFF
*
Pg 1
BP CHASSIS WIRING INTERCONNECT USING THE V4 PANEL
Trouble shooting
Does the set turn
On?
After selecting the wide
screen mode, does the
picture fill the screen? Select
the Wide Screen mode.
Yes
Make sure the screen
diversity code is correct.
Otherwise suspect the
SSB.
No
Are there lines in the
picture? Refer to fig 1.
Yes
H
Yes
Are there white specs in the
picture? Refer to
fig2.
No
I
Yes
Does the set display
video?
Yes
Does the set have
OSD?
No
Change SSB
Yes
No
B
Is 5 volts DC present on
Pin 9 of 1M03 on the
SSB?
No
Change the Power
supply.
No
Does the Standby line, Pin 7 of 1M03
on the SSB go Low when the power
button on the set or remote is
pressed?
Yes
Change the SSB.
No
Refer to the
Wiring interconnect
Does all of the
power supply
voltages turn On?
Yes
No
Yes
No
Is Color present?
Is the power LED
flashing?
No
A
Yes
Is Error LED on
Power supply alarm
board blinking?
Change SSB
No
Change SSB
Refer to the
Service manual for
the correct screen
diversity code.
F
Yes
Change the Power
Supply
No
Is a ticking or
popping noise in the
panel?
No
Does the panel have
physical damage?
Yes
Replace PDP panel
Yes
Disconnect one of the Y-
Buffer boards at a time.
No
Does a partial
picture appear on
the screen?
Replace the defective Y-
Buffer panel.
Replace the PDP panel.
Yes
No
Refer to the Service Manual and
Technical Training manual for help
with additional problems.
Yes
Refer to the wiring interconnect diagram for test point locations.
Pg 2
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