Platform Supply 42": Srp List - Philips 42PF9731D Service Manual

Circuit Diagrams and PWB Layouts

Platform Supply 42": SRP List

Net Name Diagram
+12-15V AP1 (4x)
1.1. Introduction
+12-15V AP4 (4x)
+12-15V AP5 (12x)
+12-15V AP6 (4x)
+12-15V AP7 (8x) SRP (Service Reference Protocol) is a software tool that creates a list with all references to signal lines. The list contains
+12V AP1 (4x)
references to the signals within all schematics of a PWB. It replaces the text references currently printed next to the signal
+12V_NF AP1 (2x)
+12VAL AP1 (2x) names in the schematics. These printed references are created manually and are therefore not guaranteed to be 100%
+25VLP AP1 (4x)
correct. In addition, in the current crowded schematics there is often none or very little place for these references.
+25VLP AP2 (1x)
+3V3-STANDBY AP5 (3x)
Some of the PWB schematics will use SRP while others will still use the manual references. Either there will be an SRP
+400V-F AP1 (2x)
reference list for a schematic, or there will be printed references in the schematic.
+400V-F AP2 (2x)
+400V-F AP3 (2x)
+5V2 AP1 (6x)
+5V2 AP2 (1x)
1.2. Non-SRP Schematics
+5V2-NF AP1 (1x)
+5V2-NF AP2 (1x)
+5V-SW AP1 (6x)
+5V-SW AP2 (1x)
There are several different signals available in a schematic:
+8V6 AP1 (3x)
+AUX AP1 (2x)
+AUX AP2 (1x)
+DC-F AP1 (2x) 1.2.1. Power Supply Lines
+DC-F AP3 (2x)
+SUB-SPEAKER AP5 (1x)
+SUB-SPEAKER AP6 (2x)
All power supply lines are available in the supply line overview (see chapter 6). In the schematics (see chapter 7) is not
-12-15V AP1 (4x)
-12-15V AP4 (6x) indicated where supplies are coming from or going to.
-12-15V AP5 (14x)
It is however indicated if a supply is incoming (created elsewhere), or outgoing (created or adapted in the current schematic).
-12-15V AP6 (6x)
-12-15V AP7 (8x)
AL-OFF AP1 (2x)
AUDIO-L AP4 (1x)
+5V
AUDIO-L AP5 (1x)
AUDIO-PROT AP5 (3x) Outgoing
AUDIO-R AP4 (1x)
AUDIO-R AP5 (1x)
AUDIO-SW AP5 (1x)
1.2.2. Normal Signals
AUDIO-SW AP7 (1x)
BOOST AP1 (2x)
CPROT AP4 (2x)
CPROT AP5 (1x) For normal signals, a schematic reference (e.g. B14b) is placed next to the signals.
CPROT-SW AP5 (1x)
CPROT-SW AP6 (2x)
-DC-F AP1 (2x)
-DC-F AP3 (2x) B14b signal_name
DC-PROT AP1 (1x)
DC-PROT AP5 (2x)
DIM-CONTROL AP1 (2x)
FEEDBACK+SW AP6 (2x)
FEEDBACK-L AP4 (2x)
FEEDBACK-R AP4 (2x)
1.2.3. Grounds
FEEDBACK-SW AP6 (2x)
GND-AL AP1 (2x)
GNDHA AP1 (40x)
GNDHA AP2 (20x) For normal and special grounds (e.g. GNDHOT or GND3V3 etc.), nothing is indicated.
GNDHA AP3 (2x)
GNDHOT AP3 (2x)
GND-L AP1 (2x)
GND-L AP4 (4x) 1.3. SRP Schematics
GND-L AP5 (34x)
GND-LL AP4 (7x)
GND-LL AP5 (1x)
SRP is a tool, which automatically creates a list with signal references, indicating on which schematic the signals are used.
GND-LR AP4 (7x)
GND-LR AP5 (1x)
A reference is created for all signals indicated with an SRP symbol, these symbols are:
GND-LSW AP5 (1x)
GND-LSW AP6 (15x)
GND-S AP1 (11x)
GND-SA AP4 (8x)
+5V
GND-SA AP5 (2x)
GND-SA AP6 (8x)
GND-SA AP7 (6x)
GNDscrew AP3 (2x)
GNDscrew AP5 (2x)
name
GND-SSB AP5 (3x)
GND-SSP AP1 (51x)
GND-SSP AP2 (15x)
IN+SW AP6 (2x)
name
IN-L AP4 (2x)
IN-R AP4 (2x)
IN-SW AP6 (2x)
INV-MUTE AP4 (1x)
INV-MUTE AP5 (1x)
INV-MUTE AP6 (1x)
name
LEFT-SPEAKER AP4 (1x)
LEFT-SPEAKER AP5 (1x)
MUTE AP4 (2x)
MUTE AP5 (1x)
MUTE AP6 (2x)
ON-OFF AP1 (3x)
name
OUT AP6 (1x)
OUT AP7 (2x)
Bi-directional line (e.g. SDA) into a wire tree.
OUTN AP6 (1x)
OUTN AP7 (1x)
POWER-GOOD AP1 (2x)
POWER-OK-PLATFORM AP1 (2x)
name
RIGHT-SPEAKER AP4 (1x)
RIGHT-SPEAKER AP5 (1x)
Signal line into a wire tree, its direction depends on the circuit (e.g. ingoing for PDP, outgoing for LCD sets).
SOUND-ENABLE AP5 (3x)
STANDBY AP1 (5x)
STANDBY AP2 (1x)
Remarks:
-SUB-SPEAKER AP5 (1x)
-SUB-SPEAKER AP6 (2x)
• When there is a black dot on the "signal direction arrow" it is an SRP symbol, so there will be a reference to the signal
V-CLAMP AP1 (1x)
V-CLAMP AP3 (2x) name in the SRP list.
VN AP4 (4x)
• All references to normal grounds (Ground symbols without additional text) are not listed in the reference list, this to keep
it concise.
• Signals that are not used in multiple schematics, but only once or several times in the same schematic, are included
in the SRP reference list, but only with one reference.
Additional Tip:
When using the PDF service manual file, you can very easily search for signal names and follow the signal over all the
schematics. In Adobe PDF reader:
• Select the signal name you want to search for, with the "Select text" tool.
• Copy and paste the signal name in the "Search PDF" tool.
• Search for all occurrences of the signal name.
• Now you can quickly jump between the different occurrences and follow the signal over all schematics. It is advised to
"zoom in" to e.g. 150% to see clearly, which text is selected. Then you can zoom out, to get an overview of the complete
schematic.
PS. It is recommended to use at least Adobe PDF (reader) version 6.x, due to better search possibilities in this version.
BJ2.4U/BJ2.5U LA 7.
+5V
Incoming
+5V Power supply line.
name Stand alone signal or switching line (used as less as possible).
name
Signal line into a wire tree.
name
Switching line into a wire tree.
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G_15990_084.eps
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