JBL JSR-400, Руководство по обслуживанию

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Dolby Pro-Logic Ò A/V Receiver JSR-400
INTEGRATED CIRCUIT DIAGRAMS 5
L1 R1
L2 R2
L3 R3
L4 R4
LCOM1 RCOM1
L5 R5
L6 R6
LCOM2 RCOM2
L7 R7
L8 R8
LCOM3 LCOM3
LVDD
VSS
VEE
DI
RES CL
S CE
1 30
2 29
3 28
4 27
5 26
6 25
7 24
8 23
9 22
10 21
11 20
19
16
12
14
15
13
18
17
CONTROL
LEVEL SHIFT
LUCH
SHIFT RESISTOR
Main PCB - IC1 (LC7821)
FUNCTION SELECTOR
Power Supply PCB
IC5
IC6
(7806) 6V
(7815) 15V
1A REGULATORS
Power Supply PCB
IC7 (7915) TO220i -15V
1A REGULATOR
Main PCB IC4, 13
Tone PCB IC8
Video PCB IC1, 2
(NJM4558) OP AMP
1
2
3
4
8
7
6
5
A
B
-
-
+
+
B OUTPUT
A OUTPUT
B -INPUT
A -INPUT
B +INPUT
A +INPUT
-Vcc
+Vcc
Tuner PCB IC4 - (LA3410) FM IPX
15 16 14 13 12 11 10 9
1 2 3 4 5 6 7 8
A2
A1
A4
A3
DECODER
VOLT REG
A5 A6
FF FF STEREO
SWITCH
LAMP
TRIGGER
VCO STOP
LAMP
DRIVER
OSC
PHASE
COMPARATOR
1
1
2
2
3
3
1. INPUT
2. GROUND
3. OUTPUT
1. GROUND
2. INPUT
3. OUTPUT