Ssb: Srp List Explanation - Philips Q528.1E Service Manual

Circuit Diagrams and PWB Layouts

SSB: SRP List Explanation

Example
1.1. Introduction
Net Name Diagram
+12-15V AP1 (4x)
+12-15V AP4 (4x)
SRP (Service Reference Protocol) is a software tool that creates a list with all references to signal lines. The list contains
+12-15V AP5 (12x)
references to the signals within all schematics of a PWB. It replaces the text references currently printed next to the signal
+12-15V AP6 (4x)
+12-15V AP7 (8x)
names in the schematics. These printed references are created manually and are therefore not guaranteed to be 100%
+12V AP1 (4x)
+12V_NF AP1 (2x) correct. In addition, in the current crowded schematics there is often none or very little place for these references.
+12VAL AP1 (2x)
Some of the PWB schematics will use SRP while others will still use the manual references. Either there will be an SRP
+25VLP AP1 (4x)
+25VLP AP2 (1x) reference list for a schematic, or there will be printed references in the schematic.
+3V3-STANDBY AP5 (3x)
+400V-F AP1 (2x)
+400V-F AP2 (2x)
+400V-F AP3 (2x) 1.2. Non-SRP Schematics
+5V2 AP1 (6x)
+5V2 AP2 (1x)
+5V2-NF AP1 (1x)
There are several different signals available in a schematic:
+5V2-NF AP2 (1x)
+5V-SW AP1 (6x)
+5V-SW AP2 (1x)
+8V6 AP1 (3x)
1.2.1. Power Supply Lines
+AUX AP1 (2x)
+AUX AP2 (1x)
+DC-F AP1 (2x)
All power supply lines are available in the supply line overview (see chapter 6). In the schematics (see chapter 7) is not
+DC-F AP3 (2x)
+SUB-SPEAKER AP5 (1x)
indicated where supplies are coming from or going to.
+SUB-SPEAKER AP6 (2x)
It is however indicated if a supply is incoming (created elsewhere), or outgoing (created or adapted in the current schematic).
-12-15V AP1 (4x)
-12-15V AP4 (6x)
-12-15V AP5 (14x)
-12-15V AP6 (6x)
+5V +5V
-12-15V AP7 (8x)
AL-OFF AP1 (2x)
Outgoing Incoming
AUDIO-L AP4 (1x)
AUDIO-L AP5 (1x)
AUDIO-PROT AP5 (3x)
1.2.2. Normal Signals
AUDIO-R AP4 (1x)
AUDIO-R AP5 (1x)
AUDIO-SW AP5 (1x)
AUDIO-SW AP7 (1x)
For normal signals, a schematic reference (e.g. B14b) is placed next to the signals.
BOOST AP1 (2x)
CPROT AP4 (2x)
CPROT AP5 (1x)
CPROT-SW AP5 (1x)
B14b signal_name
CPROT-SW AP6 (2x)
-DC-F AP1 (2x)
-DC-F AP3 (2x)
DC-PROT AP1 (1x)
DC-PROT AP5 (2x)
DIM-CONTROL AP1 (2x)
1.2.3. Grounds
FEEDBACK+SW AP6 (2x)
FEEDBACK-L AP4 (2x)
FEEDBACK-R AP4 (2x)
FEEDBACK-SW AP6 (2x)
For normal and special grounds (e.g. GNDHOT or GND3V3 etc.), nothing is indicated.
GND-AL AP1 (2x)
GNDHA AP1 (40x)
GNDHA AP2 (20x)
GNDHA AP3 (2x)
1.3. SRP Schematics
GNDHOT AP3 (2x)
GND-L AP1 (2x)
GND-L AP4 (4x)
GND-L AP5 (34x) SRP is a tool, which automatically creates a list with signal references, indicating on which schematic the signals are used.
GND-LL AP4 (7x)
A reference is created for all signals indicated with an SRP symbol, these symbols are:
GND-LL AP5 (1x)
GND-LR AP4 (7x)
GND-LR AP5 (1x)
GND-LSW AP5 (1x)
+5V +5V
GND-LSW AP6 (15x)
GND-S AP1 (11x)
GND-SA AP4 (8x)
GND-SA AP5 (2x)
GND-SA AP6 (8x)
name
GND-SA AP7 (6x)
GNDscrew AP3 (2x)
GNDscrew AP5 (2x)
GND-SSB AP5 (3x)
name
GND-SSP AP1 (51x)
GND-SSP AP2 (15x)
IN+SW AP6 (2x)
IN-L AP4 (2x)
IN-R AP4 (2x)
IN-SW AP6 (2x)
INV-MUTE AP4 (1x) name
INV-MUTE AP5 (1x)
INV-MUTE AP6 (1x)
LEFT-SPEAKER AP4 (1x)
LEFT-SPEAKER AP5 (1x)
MUTE AP4 (2x)
MUTE AP5 (1x) name
MUTE AP6 (2x)
ON-OFF AP1 (3x) Bi-directional line (e.g. SDA) into a wire tree.
OUT AP6 (1x)
OUT AP7 (2x)
OUTN AP6 (1x)
name
OUTN AP7 (1x)
POWER-GOOD AP1 (2x)
Signal line into a wire tree, its direction depends on the circuit (e.g. ingoing for PDP, outgoing for LCD sets).
POWER-OK-PLATFORM AP1 (2x)
RIGHT-SPEAKER AP4 (1x)
RIGHT-SPEAKER AP5 (1x)
Remarks:
SOUND-ENABLE AP5 (3x)
STANDBY AP1 (5x)
• 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
STANDBY AP2 (1x)
-SUB-SPEAKER AP5 (1x) name in the SRP list.
-SUB-SPEAKER AP6 (2x)
• All references to normal grounds (Ground symbols without additional text) are not listed in the reference list, this to keep
V-CLAMP AP1 (1x)
V-CLAMP AP3 (2x)
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.
Q528.1E LA 7.
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.
105
Personal Notes:
E_06532_031.eps
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