JBL ESC 350 Source (serv.man2) Service Manual ▷ View online
Open
CD
Random
Repeat
Auto Tune
TV
AM/FM
Tape/Aux Stereo/Mono
Rear
Speakers
-
+
Bass
-
+
Treble
Surround Mode
Tuner Presets
Delete
Auto
Add
Power
Volume
Skip
Search
Tune
SOURCE
Dolby Pro-Logic Surround
Processor/CD Player/Tuner
(Part of the ESC350 & 550 Systems)
Processor/CD Player/Tuner
(Part of the ESC350 & 550 Systems)
JBL Consumer Products Inc.
250 Crossways Park Drive
Woodbury, N.Y. 11797
1-800-336-4JBL in the USA
250 Crossways Park Drive
Woodbury, N.Y. 11797
1-800-336-4JBL in the USA
A Harman International Company
Part No.: 1112-SOURCE Rev A 4/99
SERVICE MANUAL
1
Dolby Pro-Logic
Ò
Surround Processor/CD Player/Tuner
SOURCE
LASER BEAM SAFETY PRECAUTIONS
2
Dolby Pro-Logic
Ò
Surround Processor/CD Player/Tuner
SOURCE
SAFETY PRECAUTIONS
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.