Receiver - JBL JSR-400 Service Manual

Dolby Pro-Logic Ò A/V Receiver
A B C
1
X1
10MHz
LED1
RMC OPTION
KS2
KS3
KS4
KS5
KS6
JSR-400 PAGE 43 - 1 of 2
A B C
JSR-400 SCHEMATIC DIAGRAM - CONTROL BOARD
D E F
C22
0.1u
R6
1M
IC1
CXP82712
AC AC
F L T 1
V.F.D.
SW42 SW32 SW39 SW37
AUTO HALL VCR CD
SW35 SW40 SW38
BYPASS VIDEO TAPE
SW29
SW33 SW30 SW36
SPEAKER
CENTER PROLOGIC TUNER
OFF
SW19 SW34 SW31 SW41
POWER ON/OFF TEST TONE 3 STEREO AUX
D E F
G H I J
GND
VCC +5V
OPTION
NJW1102 REQ
NJW1102 SCK
NJW1102 DATA
LC4966 BY-PASS
LC4966 DOLBY
GD4066 VCR
GD4066 VIDEO
REAR/CEN.MUTE
VOL.DOWN
VOL.UP
SP FRONT
POWER ON
A-MUTE
PLL CE
LC7821 CL PLL CLOCK
LC7821 DI PLL DATA
T-MUTE
TUNED
STEREO
R10
10,1/4W
D8
1N4148
+
TUNER OPTION
AC AC
R7 4.7(1/4W)
KR0
KR1
SW44
TUNING UP
KR2
SW43
TUNING DOWN
KR3
G H I J
K L M
26
25 25
24
23 23
22
21 21
20
19 19
18
17 17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN102
5.6V
CN26
C25
0.1u
Q1
C4
KTC3198 R1
+ 0.22/50
1K
+
RMC1
G B +OUT
GND
TUNER OPTION
+
J41(JUMPER), J43(56K) : KOREA
D102
J40(JUMPER), J41(JUMPER) : USA
1N4148
J40
J41
J43 56K
J44 56K
CN101
HOLD
1
-27V
2
GND
3
AC5V
4
AC5V
5
K L M
JSR-400
O P
JSR-400 PAGE 43 - 2 of 2
O P
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