JBL JSR-400 Service Manual page 18

Dolby Pro-Logic Ò A/V Receiver
A B C
1
F101
FM FM
ANT
FRONT END
AM
IC3
AM/FM IF
LA1265
AM AM PLL IC
AM
ANT OSC LM7001
IF T
IC2
AUDIO
TUNER
IC7821
TV
I
TAPE
O
I
VCR1
O
VIDEO
I
CD
VIDEO
LC4966
I
VCR
O
6dB AMP
VIDEO IN
MONITOR
6dB AMP
JSR-400 BLOCK DIAGRAM
JSR-400 PAGE 18 - 1 of 2
A B C
D E F G
F102
DATA
CLK
CPU
CE
TUNED
STEREO
T-MUTE
IC4
FM MPX
LA3410
L.P.F.
FM
DET
F202
MASTER VOLUME
BY-PASS
BUFFER
DOLBY PRO-LOGIC
ADAPTIVE MATRIX
NJW1102
VCR
VIDEO from CPU
DIGITAL
DELAY
NJU9702
D E F G
JSR400 BLOCK DIAGRAM
H I J
RESORNATOR
FL DISPLAY
FL AC 4V
- INPUT PARTS
+15V
- SURROUND PARTS -15V
+5V
- TUNER PARTS
- MAIN AMP PARTS
FRONT AMP
CENTER AMP
- POWER SUPPLY PARTS
REAR AMP
RIGHT CHANNEL
(SAME AS LEFT CHANNEL)
BALANCE
TONE AMP
14.5dB
MUTE
C-CH
2.92dB
S-CH
0.83dB
H I J
K L M
KEY MATRIX
RMC
COMMANDER
SENSOR
5V
C P U
REGU.
REGULATOR
MAIN
+15V. -15V.
POWER
+5V
TRANS
ST-BY RELAY
AMP
POWER
SUPPLY
RELAY
DRIVER
PROTECT
MAIN AMP
19.3dB CENTER AMP
MUTE
MUTE
19.3dB REAR AMP
K L M
JSR-400
O P
EUROPE : 230/50Hz
USA : 120/60Hz
ST-BY
TRANS
HEAD
PHONE
FRONT
SPEAKER
SUB WOOFER
PROTECT
CENTER
SPEAKER
PROTECT
L
REAR
SPEAKER
R
JSR-400 PAGE 18 - 2 of 2
O P
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