
CX-JV77
45
45
CX-JV77
6-23. SCHEMATIC DIAGRAM – POWER AMP Section –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
RY441
R473
R470
R459
D441
D442
R475
C463
R471
Q489
R462
L442
R461
L441
JW406
JW405
1.7
µ
H
1.7
µ
H
D443
R488
R481
Q487
Q486
C487
D482
R489
R490
Q488
R482
C486
Q485
Q481
C481
Q484
Q483
R486
R485
R466
R465
D481
R460
R457
Q441
R454
C454
C452
C453
R453
C451
R458
R449
R478
Q442
R456
R450
R477
R476
R495
C462
R443
R444
R442
C442
C444
C443
C441
R441
C492
R401
R403
R404
R402
C404
R410
R409
C403
C414
C413
CN442
CN441
EP401
EP402
Q491
R474
R455
R467
R496
C461
R468
JW411
JW409
TH441
R483
R484
JW401
C402
D401
D402
C405
C409
C410
C406
R487
Q482
R447
JW403
JW404
D446
R448
R469
R412
JW442
C446
C448
C447
R413
R414
R445
R446
EP491
D445
R411
JW441
C445
R472
Q490
IC441(1/2)
IC441(2/2)
R407
D444
22k
33k
100k
1SS133T-72
1SS133T-72
10k
470
6.3V
68k
2SC1841
10
1/2W
10
1/2W
1SS133T
22k
4.7k
2SC2785
2SC2785
4.7
50V
1SS133T
-72
4.7k
4.7k
2SC2785
10k
2.2
50V
2SA1175
2SC2785
100
10V
2SC2785
2SC2785
100k
100k
56k
47k
1SS133T
100k
15k
2SC1841
10
1/2W
0.1
0.1
0.1
10
1/2W
0.1
15k
0.22
5W
10k
2SC1841
1k
0.22
5W
100
15k
1
47
100V
56k
56k
1k
10
50V
1000p
1000p
10
50V
1k
0.01
100k
100k
100k
100k
0.1
100V
100k
100k
0.1
100V
0.1
0.1
5P
13P
2SA1207
2.2k
1k
3.3k
1W
100
47
100V
3.3k
1W
22
56k
0.01
D10XB20
D10XB20
3300
71V
3300
50V
3300
50V
3300
71V
33k
2SC2785
56k
MTZJ-T-72
-16B
56k
33k
2.2k
100p
47
50V
47
50V
10k
10k
1k
1k
MTZJ-T-72-16B
2.2k
100p
33k
2SC1841
STK412-240
STK412-240
100
1/2W
1SS133T
-72
GND
AC-VH
AC-VL
AC-VL
AC-VH
L-OUT
SP-GND
R-OUT
IN-R
AMP-A-GND
IN-L
RELAY B+
PWR GND
STK MUTE
PROTECT
AC-3
GND(AC-3,RELAY)
UNREG.16V
(CHASSIS)
(CHASSIS)
Q486,488
PROTECTOR
Q485,487
PROTECT
DETECT
Q481,482
DC DETECT
Q483,484
THERMAL
DETECT
DETECT
OVER LOAD
DETECT
OVER LOAD
(CHASSIS)
POWER AMP
STANDBY
SWITCH
Q490,491
LEVEL SHIFT
8P
JK441
L
R
IMPEDANCE
USE 6-16
Ω
FRONT SPEAKER
L
R
IMPEDANCE
USE 24
Ω
SURROUND SPEAKER
H
E
(Page 47)
(Page 47)
All manuals and user guides at all-guides.com