Read JBL ESC 350 Source (serv.man2) Service Manual online
3
Dolby Pro-Logic
Ò
Surround Processor/CD Player/Tuner
SOURCE
TABLE OF CONTENTS
LASER BEAM SAFETY PRECAUTIONS......................1
SAFETY PRECAUTIONS ..............................................2
TABLE OF CONTENTS .................................................3
FEATURES.....................................................................3
SPECIFICATIONS..........................................................3
SERVICE BULLETIN .....................................................4
CONTROLS AND THEIR FUNCTION...........................6
CONNECTIONS .............................................................7
DISASSEMBLY PROCEDURE ......................................8
TROUBLESHOOTING ...................................................8
ADJUSTMENT PROCEDURE .....................................11
SOURCE BLOCK DIAGRAM.......................................12
SOURCE MECHANICAL EXPLODED VIEW..............13
MECHANICAL PARTS LIST........................................14
SOURCE PACKING EXPLODED VIEW.....................15
SOURCE ELECTRICAL PART LISTS ........................16
SOURCE MAIN PCB, HEADPHONE PCB, LED PCB22
SOURCE CONTROL PCB, LED PCB.........................23
SOURCE CD DECODER PCB, VOLUME PCB .........24
SOURCE PRO-LOGIC PCB ........................................25
SOURCE INTEGRATED CIRCUIT DIAGRAMS .........26
SOURCE WIRING DIAGRAM .....................................32
SOURCE MAIN PCB, PRO LOGIC PCB,
CONTROL PCB (SCHEMATIC #1) .............................33
CONTROL PCB (SCHEMATIC #1) .............................33
CONTROL/DISPLAY (SCHEMATIC #2)......................34
SOURCE (SCHEMATIC #3) ........................................35
SPECIFICATIONS
AMPLIFIER SECTION
Signal to Noise Ratio
AUX . . . . . . . . . . . . . . . . . . . . 70 dB
THD (1 KHz) . . . . . . . . . . . . . . . . . 0.1%
Head Room . . . . . . . . . . . . . . . . > 15 dB
FM TUNER SECTION
Frequency Range . . . . . . . . . 87.5MHz - 108.0MHz
26dB Usable Sensitivity . . . . . . . . . . . . . 10 uV
Signal-to-Noise Ratio. . . . . . . . . . . . . . . 55 dB
I-F Rejection . . . . . . . . . . . . . . . . . . 65 dB
Image Rejection . . . . . . . . . . . . . . . . . 40 dB
Limiting (-3 dB) . . . . . . . . . . . . . . . . . 15 uV
Stereo Separation (1 KHz) . . . . . . . . . . . . 30 dB
AM TUNER SECTION
Frequency Range . . . . . . . . . . 520MHz - 1710kHz
20dB Usable Sensitivity . . . . . . . . . . . 1000 uV/m
Signal-to-Noise Ratio. . . . . . . . . . . . . . . 40 dB
I-F Rejection . . . . . . . . . . . . . . . . . . 40 dB
Image Rejection . . . . . . . . . . . . . . . . . 20 dB
AGC Figure of Merit . . . . . . . . . . . . . . . 40 dB
Selectivity. . . . . . . . . . . . . . . . . . . . 25 dB
I-F Whistle. . . . . . . . . . . . . . . . . . . . 10 %
FEATURES
n
Built-in CD player with: Dolby Pro Logic surround processor, Dolby 3 stereo, 8x Oversampling
n
AM/FM tuner with 32 presets, Auto-preset function.
SERVICE NOTE: THE ESC350 or 550 SUBWOOFER IS REQUIRED TO TEST OR
PLAY “THE SOURCE” IN EITHER SYSTEM.
PLAY “THE SOURCE” IN EITHER SYSTEM.
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