JBL PROFESSIONAL
ELECTRONIC FAILURE
Q.A. CODES
31
July 1, 2002
Page 2
Q.A.
CODE
DESCRIPTION OF DEFECT
WARRANTY
STATUS
Q.A.
CODE
DESCRIPTION OF DEFECT
WARRANTY
STATUS
10.130 CONNECTOR (Specify)
10.192 Cables - Noisy
IN
10.131 Connector - Intermittent
IN
10.193 Cables - Cut - Partially Open
IN
10.132 Connector - Broken
IN
10.194 Cables - Connector Installed Wrong
IN
10.133 Connector - Missing Pins
IN
10.195 Cables - Burned
IN
10.134 Connector - Installed Backwards
IN
10.135 Connector - Loose
IN
10.200 Components/Touching Shorted
10.140 PCB (Specify)
10.300 SOLDER PROBLEMS (Specify)
10.141 PCB - Broken Trace
IN
10.301 Cold Solder
IN
10.142 PCB - Burned Trace *
OUT
10.302 No Solder
IN
10.143 PCB - Cracked
IN
10.303 Splashes
IN
10.144 PCB - Bad Feedthrough/via
IN
10.145 PCB - Chemical Damage
IN
10.400 MECHANICAL – (Specify)
10.146 PCB - Exchange Amp Board
IN
10.401 Broken Binding post
IN
10.147 PCB - Exchange Signal Input Board
IN
10.402 Broken Fuse Holder
IN
10.148 PCB - Exchange DSP Board
IN
10.403 Open Line Cord
IN
10.149 PCB - Exchange A/C Input Board
IN
10.404 Broken/Missing Knob
IN
10.405 Dented Chassis
OUT
10.150 REGULATORS – (Specify)
10.406 Damaged Front Panel
OUT
10.151 Regulators - Open
IN
10.407 Broken Fan
OUT
10.152 Regulators - Burned *
OUT
10.408 Stopped/ Slow Fan
IN
10.153 Regulators - Shorted
IN
10.409 Packing
IN
10.154 Regulators - Thermally Sensitive
IN
10.410 Noisy Fan
OUT
10.155 Regulators - Noisy
IN
10.156 Regulators - Broken
IN
10.500 SOFTWARE (Specify)
10.157 Regulators - Out of Regulation
IN
10.510 Upgrade Software
IN
10.158 Regulators - Wrong Part
IN
10.520 Upgrade Hardware
IN
10.530 Reset to Factory Software
IN
10.160 BULB/LAMP - (Specify)
10.161 Open
IN
10.600 ADJUSTMENT (Specify)
10.601 Adjust Voltage
IN
10.170 TRANSFORMER - (Specify)
10.602 Adjust Bias
IN
10.171 Transformer - Open
IN
10.603 Adjust Meter
IN
10.172 Transformer - Burned *
OUT
10.604 Adjust Chassis
IN
10.173 Transformer - Noisy
IN
10.174 Transformer - Shorted
IN
10.700 MISC/HARDWARE (Specify)
10.175 Transformer - Loose
IN
10.701 Screw - Missing (from factory)
IN
10.702 Screw - Broken (from factory)
IN
10.180 CRYSTAL - (Specify)
10.703 Screw - Loose (from factory)
IN
10.181 Crystal - Dead
IN
10.704 No Problems Found
10.182 Crystal - Wrong Frequency
IN
10.705 Return As Is
10.183 Crystal - Thermally Sensitive
IN
10.706 Customer Attempted Repairs
OUT
10.707 Received in for Repairs Missing Parts
OUT
10.190 CABLES - (Specify)
*COULD BE CONSIDERED IN-WARRANTY AS
10.191 Cables - Open
IN
DETERMINED BY TECHS EVALUATION
Summary of Contents for LSR28P
Page 1: ...1 Technical Service Manual Rev A 3 14 2003...
Page 17: ...17 THEORY AND CIRCUIT DESCRIPTIONS...
Page 52: ...52 Wiring Diagram LSR28P...
Page 53: ...53 SEMICONDUCTOR PINOUTS...
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