JVC NX-F3B Service Manual page 37

Digital amp section
FRONT L/R
R111 4 R1115
C1112 12K
C1111
0.1 0.1 C1108
C1107
330P 330P
1 2 3 4 5 6 7 8
IC111
!
TDA8920BTH-X
24 23 22 21 20 19 18 17
C1114
0.015
R1106
10
C1118
220P
EP101
C1010
QNZ0136-001Z
A5V
0.1
NI
NI
D1007
R1036
STBY
10K
MA111- X
GS1J-X
CN104
GS1J-X
QGA3901F12-03
1 GS1J-X
2
GS1J-X
3
CN105
QGA3901C1-02
0V !
1
-23.9 RY101
2 QSK0194-001
-24.7V
!
CN103
QGA3901C1-04 +B R1058
C1026 C1001 C1003
1
0.47 1000/35 0.1
1W
120
2
R1059
PWR_GND C1004
C1027 C1002
3 0.47 0.1
1000/35
120 1W
-B
4
!
QQR0621-001Z
!
RY102
QSK0194-001
CN101 C1007
QGF1036F2-07 0.1
1
D1006
GS1J-X
2
PWR_GND
3
PWR_GND FR
R1001
4
22
!
5 1/4W
A13V
6
RY.GN D
7
CN102
QGF1036F2-23 0.7V
PWR_RY R1002 Q1001
1 2SD2144S/VW/-T
AMP_PRT 1.2K
2
TH101
AMP_THERMO
3
AMP_SAFETY
10K
4
NAD0025-103X
LVL_DET
5
AHB_DET_SW
6
7
AMP_FCTRL
8
A5V
9
AMP_STBY OC. DETECT
10
SIG_DET
11
12 D1004 MA111-X
13
SWG
R1090
14 C1605
SW
0.001
15 100
SLG
16
C1305 Vdd
0.001 SL
17 14 13 12 11 10 9 8
SRG
18
C1306
SR
0.001 R1010
19
4.7K
FLG
20
C1105
0.001 FL
21
FRG
22
C1106
FR
0.001
23 1 2 3 4 5 6 7
Vss
-16.4V
D1001
MA111- X
D1002
MA111-X
C1009
R1005 R1006
0.1/16 1K 1K
D1005 1/10W 1/10W
MA8100/M/-X
LVA10823-A1
SURROUND L/R
R1314 R1315
12K 12K 12K
C1109 C1110 C1312 C1311
0.1 0.1 0.1 0.1 C1308 C1307
330P 330P
9 10 11 12 1 2 3 4 5 6 7 8 9
IC131
! TDA8920BTH-X
16 15 14 13 24 23 22 21 20 19 18 17 16
C1113 C1314 C1313
0.015 0.015 0.015
R1105 R1306 R1305
10 10
C1318 C1316
220P 220P
C1334
470/35
D1101
D1301
GS1J-X
D1102 D1302
GS1J-X
D1103 D1303
GS1J-X
D1104 D1304
GS1J-X
K1001
QQR0621-001Z
VDD
C1005
0.1
PWR_GND
C1006
0.1
VSS
K1002
AMP STBY SW
NI
R1096
Q1002
Q1011
ISA1530AC1/QR/X
RT1P141C-X 1/4W
R1003 5V 5V
4.8V 4.8V
220
4.3V
0V
3V
C1309 C1310
0.1 0.1
10 11 12
15 14 13
10
DC DETECT
0V
0.6V
Q1022
0V 2SC3928A/QR/-X
0V
R1029
1K
0V
R1030
C1023
100k
47/25
CLOCK GENERATOR
R1014 R1015
1M 100
14 13 12 11 10 9 8
Vdd
14 13 12 11 10 9 8
IC102
IC101 HEF4013BTT-X
SN74HCU04ANS-X
Vss
1 2 3 4 5 6 7 1 2 3 4 5 6 7
R1012 R1013
1M 1M
C1018
D1012 47P/50
D1011 X1001
R1011
X1002
22 C1019
47P/50
C1020
0.1/16
D1011,D1012
X1002 X1001
MA111-X 300KHz/350KHz
QAX0935-001 QAX0934-001
600kHz 700kHz
SUB WOOFER
R1614 R1615
56K 56K
C1612 C1611 C1609 C1610
0.1 0.1 C1608 0.1 0.1
C1607
330P 330P
1 2 3 4 5 6 7 8 9 10 11 12
IC161
! TDA8920BTH-X
24 23 22 21 20 19 18 17 16 15 14 13
C1614 C1613
0.015 0.015
R1606 R1605
10 10
C1618 C1616
220P 220P
D1601
GS1J-X
D1602
GS1J-X
D1603
GS1J-X SWO+
D1604
GS1J-X SWO-
SLO
SRO
FLO
FRO
R1051
AHB DETECT
47K
D1051
MA111-X
NI
SIGNAL DET.
Q1061
R1061 C1061 D1061 2SC3928A/QR/-X
R1063 R1065
4.7K 22K 10K
0.1/50 MA111-X
3.3V
0V
FL
0V
Q1062
R1066 C1063 D1062 2SC3928A/QR/-X
R1068 R1070
4.7K 22K 10K
0.1/50 MA111- X
3.3V
0V
FR
0V
Q1064
R1076 C1067 D1064 2SC3928A/QR/-X
R1078 R1080
4.7K 22K 10K
0.1/50 MA111-X
3.3V
0V
SL
0V
Q1065
R1081 D1065 2SC3928A/QR/-X
C1069 R1083 R1085
4.7K 22K 10K
0.1/50
MA111-X
3.3V
0V
SR
0V
Q1066
C1071 D1066
R1086 R1088 2SC3928A/QR/-X R1091
4.7K 22K 10K
0.1/50
MA111- X
3.3V
R1047
39K
0V
SW
0V
LEVEL DETECT
! Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
* MARK LIST
L1901 J/C/E/B/EE/EV/EN
-L1905
USE
UF/UJ/UT/US/UB/
R1901
UX/UW/UG/UA/A J1901
-R1920
USE
QNB0329-001
* R1917 0
* R1918 0
+
3 4
*
L1905
SUB WOOFER
1 2
* R1919 0
-
* R1920 0
C1918
0.0022/50
C1916
0.0022/50
* R1914 0
* R1913
0 +
1 2
*
L1904 SURR R
* 3 4
R1915
0 -
* R1916 0
C1912
0.0022/50
C1910
0.0022/50
C1911 C1909
0.0022/50
0.0022/50
*
R1909 0
* R1910 0
+
1 2
* L1903
SURR L
3 4
* R1911 0
-
* R1912 0
* R1905 0
* R1906 0
+
1 2
* L1902 FRONT R
3 4
* R1907 0
-
* R1908 0
C1906
0.0022/50
C1904
0.0022/50
C1905
C1903
0.0022/50 0.0022/50
* R1901
0
* R1902 0
+
1 2
L1901
*
FRONT L
3 4
* R1903
0
-
* R1904 0
2-9