Read JBL ARC CINEMA II Service Manual online
JSR-400
Dolby Pro-Logic Audio/Video
Receiver
Surround
JBL Consumer Products Inc.
250 Crossways Park Drive
Woodbury, N.Y. 11797
1-800-336-4JBL in the USA
A Harman International Company
Rev A 10/99
SERVICE MANUAL
The
is part of the
System
JSR-400
ARC CinemaII
2
Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
JSR400 TABLE OF CONTENTS
COVER...........................................................................1
TABLE OF CONTENTS.................................................2
ARC CINEMA II SPECIFICATIONS ..............................2
SPECIFICATIONS..........................................................3
CONTROLS AND THEIR FUNCTION...........................7
REAR PANEL CONNECTIONS.....................................9
DISASSEMBLY PROCEDURES .................................10
CIRCUIT DESCRIPTION .............................................13
JSR400 PACKING .......................................................17
JSR400 BLOCK DIAGRAM .........................................18
JSR-400 UNIT EXPLODED VIEW ..............................19
JSR-400 ELECTRICAL PARTS LISTS .......................20
SIMPLE TROUBLESHOOTING...................................26
MORE COMPLEX TROUBLESHOOTING ..................27
TUNER ALIGNMENT...................................................29
JSR-400 MAIN PCB ...................................................31
JSR-400 CONTROL PCB ............................................32
JSR-400 TUNER PCB .................................................33
JSR-400 SUB PCBs ....................................................34
WIRING DIAGRAM ......................................................35
INTEGRATED CIRCUIT DIAGRAMS 1-5 ..............36-40
TRANSISTOR DIAGRAMS..........................................41
JSR-400 SCHEMATIC DIAGRAM
MAIN BOARD...............................................................42
MAIN BOARD...............................................................42
JSR-400 SCHEMATIC DIAGRAM
CONTROL BOARD......................................................43
CONTROL BOARD......................................................43
JSR-400 SCHEMATIC DIAGRAM
POWER SUPPLY/
VIDEO/TONE/
HEADPHONE/
VOLUME PCB’s ...........................................................44
POWER SUPPLY/
VIDEO/TONE/
HEADPHONE/
VOLUME PCB’s ...........................................................44
JSR-400 SCHEMATIC DIAGRAM
TUNER BOARD ...........................................................45
TUNER BOARD ...........................................................45
ARC CINEMA II SPECIFICATIONS
Total System Output . . . . . . . . . . 280 watts
Front Channels: . . . . . . . . . . . . 50 watts x 3 @ .1% THD;
Surround Channels:. . . . . . . . . . . 25 watts x 2 @ .1% THD;
Subwoofer: . . . . . . . . . . . . . . 80 watts x 1 @ 1% THD
System Frequency Response . . . . . . (–6dB) 45Hz – 20kHz
Input Impedance . . . . . . . . . . . . 20k ohms
Input Sensitivity . . . . . . . . . . . . 220mV
Receiver
Dimensions (H x W x D) . . . . . . . . 4-5/8 x 10-1/4 x 9-3/4 inches
Front Channels: . . . . . . . . . . . . 50 watts x 3 @ .1% THD;
Surround Channels:. . . . . . . . . . . 25 watts x 2 @ .1% THD;
Subwoofer: . . . . . . . . . . . . . . 80 watts x 1 @ 1% THD
System Frequency Response . . . . . . (–6dB) 45Hz – 20kHz
Input Impedance . . . . . . . . . . . . 20k ohms
Input Sensitivity . . . . . . . . . . . . 220mV
Receiver
Dimensions (H x W x D) . . . . . . . . 4-5/8 x 10-1/4 x 9-3/4 inches
. . . . . . . . . . . . . . . . . . . . 117 x 260 x 248mm
Weight . . . . . . . . . . . . . . . . 5 lbs/2.3 kg
Occasional refinements may be made to existing products without notice, but will always meet or exceed original
specifications unless other-wise stated.
3
Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
SPECIFICATIONS
Measuring methods are based on IHF and IEC standard 268-3
Measurement conditions, unless otherwise noted:
Measurement conditions, unless otherwise noted:
Output resistive load = (8) ohms / Both channels driven
Tone (Base, Treble), Balance, EQ control : Center Position, Other SW’s : OFF
Nominal input level: 5mV for MM, 0.5mV for MC, 500mV for general purpose inputs
Power figures should be kept minimum 10 minutes between 15 and 35°C
Terminator: 100 ohm for MC, 1kohm for MM for MM and general purpose inputs
Filter: IHF-A filter
R/O = Rated Output
Power Supply: 120V, 60Hz
Tone (Base, Treble), Balance, EQ control : Center Position, Other SW’s : OFF
Nominal input level: 5mV for MM, 0.5mV for MC, 500mV for general purpose inputs
Power figures should be kept minimum 10 minutes between 15 and 35°C
Terminator: 100 ohm for MC, 1kohm for MM for MM and general purpose inputs
Filter: IHF-A filter
R/O = Rated Output
Power Supply: 120V, 60Hz
Front Amp Section
NO.
DESCRIPTION
INPUT
FREQ.
REMARK
UNIT
LIMIT L/R
NOMINAL L/R L R
1
INPUT SENSITIVITY
CD
1kHz
mV
200±30
200±30
MM
1kHz
mV
MC
1kHz
mV
MIC
1kHz
mV
2
CHANNEL BALANCE
CD
1kHz
R/O TO -40dB
dB
±3
±2
1kHz
4
RESIDUAL NOISE
CD
1kHz
VOL min.
mV
£
1
1kHz
VOL max.
mV
5
TOTAL HARMONIC
DISTORTION
CD (500mV)
(40)Hz
R/O / 1W
%
£
1
£0.3
1kHz
R/O / 1W
%
£
1
£0.3
(20)KHz
R/O / 1W
%
£
1
£0.3
6
CONTINUOUS AVERAGE
POWER
CD
(40)Hz
(8)ohms
W
50
52
1kHz
(8)ohms
W
50
52
(20)KHz
(8)ohms
W
50
52
7
S/N RATIO, IHF-A FILTER
CD (500mV)
1kHz
R/O
dB
³65
³
70
1kHz
1W
dB
MM (5mV)
1kHz
R/O
dB
1kHz
1W
dB
MC (0.5mV)
1kHz
R/O
dB
1kHz
1W
dB
8
CHANNEL SEPARATION
CD (500mV)
100Hz
R/O-3dB
dB
1kHz
R/O-3dB
dB
³
45
³
55
10kHz
R/O-3dB
dB
³
40
³
45
9
FUNCTION CROSSTALK
TAPEÝAUX
1/10kHz
R/O-3dB
dB
³
60/40
³65/45
AUXÞTAPE
1/10kHz
R/O-3dB
dB
³
60/40
³65/45
MMÞCD
1/10kHz
R/O-3dB
dB
10
FREQUENCY RESPONSE
(-3DB)
CD (500mV)
1W
Hz~kHz
40~20k
20~50k
11
TONE CONTROL, ±(10)dB
CD
100Hz
1W
dB
±
10
±
2
±
10
±
1
10kHz
1W
dB
±
10
±
2
±
10
±
1
4
Dolby Pro-Logic
Ò
A/V Receiver
JSR-400
Rear Amp Section
NO.
DESCRIPTION
INPUT
FREQ.
REMARK
UNIT
LIMIT L/R
NOMINAL L/R
1
POWER OUTPUT 0.9% THD
CD
1kHz
(8) ohms
W
³
50
³52
2
TOTAL HARMONIC
DISTORTION
CD
1kHz
1W
%
£
1
£0.7
3
S/N RATIO
DOLBY
IHF-A FILTER, THEATER
HALL
STADIUM
CHURCH
STADIUM
CHURCH
CD
R/O
dB
³
60
³65
CD
R/O
dB
CD
R/O
dB
³
60
³65
CD
R/O
dB
CD
R/O
dB
4
FRE RES. (ONLY DOLBY)
±
3dB
CD
1kHz
1W
Hz~kHz
100~6
80~7
Center Amp Section
NO.
DESCRIPTION
INPUT
FREQ.
REMARK
UNIT
LIMIT L/R
NOMINAL L/R
1
POWER OUTPUT 0.9% THD
CD
1kHz
(8) ohms
W
³
50
³52
2
TOTAL HARMONIC
DISTORTION
CD
1kHz
1W
%
£
1
£0.3
3
S/N RATIO IHF-A FILTER
CD
R/O
dB
³
73
³78
4
FRE RES.
LARGE
DOLBY MODE SMALL
CD
1W
Hz~kHz
50~15k
30~17k
CD
1W
Hz~kHz
120~15k
100~17k
Video Section
NO.
DESCRIPTION
INPUT
FREQ.
REMARK
UNIT
LIMIT L/R
NOMINAL L/R
1
OUTPUT LEVEL at 75OHMS VCR1 (1Vp-p)
1MHz
Vp-p
1±0.2
1±0.1
2
FREQUENCY RESPONSE
VCR1 (1Vp-p)
1MHz
Hz~MHz
DC~6
DC~6.3
3
S/N RATIO
VCR1 (1Vp-p)
1MHz
dB
40
45
4
CROSS TALK
VCR1 (1Vp-p)
1MHz
dB
40
45