JVC NX-F3B Service Manual page 36

Audio 3 section
TO LOCAL REG.
BLOCK
+B
GND
A13V
A5V
DGND
AMP
SW10V
L
R AVH
TPSW3
C2651
C R2652
10/50
15k
SW
SL
SR Q2808
0V RT1P441C-X
AGND 0V
0V
0V
0V
SMUTE
C2LR
AHB1
_B
TO AUDIO_2 BLOCK
R2556
TPC8 C2551
2.5V
TPC3
C2555
C2552 R2553 C
15k 10/50
2.5V
10/50
IC209
NJM4580E-X
R2351
C2351
15k
10/63
TPSL3
AVH
TPSR3 C2451 R2451
10/63 15k
C2553
Q2502
TPC7
RT6N230C-X
R2564
0V
2.5V
C2554 C2557
R2561 C
10/50 15k 10/50
2.5V
C2151 R2151
15k
10/63
TPL3
TPR3 C2251
R2251
10/63
15k
VOLUME
K2 PRE AMP POWER
VIDEO KARAOKE
DAC AMP
4
HEADPHONE
MICOM
FRONT
REGULATOR
FRONTJACK
Q2806
KTC3875/YG/-X
50W LIMIT 5.8V 5.1V
5.8V
R2710
0
Q2033
NI
AVH IC204
C2654 NJM4580E-X R2856
(1/2) 150
10/50 5.2V
1/4W
2.8V 3
8
1
SW
2.8V
2
4
2.8V
C2652 2200p
R2654 27k
AVH C2701
47/25
R2705 4.7k
6
2.5V -
7
VREF
5 2.5V
+
2.5V
IC204
NJM4580E-X
(2/2)
0
47p
4
2
-
2.5V
1 R2857
+ 150
8
3
4.6V 1/4W
IC208
(1/2)
NJM4580E-X
(1/2)
3
8
5.5V
R2357 1
SL
C2353 0
5.6V
10/63 2
4
1 2 3 5.6V
R2354 20K
C2352 NI
C2355 12p
6 5 4
C2455 12p
C2452 NI
R2454 20K
0V
6
Q2807
RT1P441C-X 5.5V -
7
SR
5.6V
5
+
5.6V
R2457
IC208
C2453 0
10/63 NJM4580E-X
(2/2)
47p
0
6
2.5V
-
1/4W
7 R2854
5
+ R2859
IC207
150
IC209 3.3k NJM4580E-X
NJM4580E-X
(1/2)
(2/2)
3
R2167 8
C2154
0
10/63 2.5V
1
L
1 2 3 2.5V
2
4
2.5V
R2154 3.3k
C2152 100p
6 5 4
C2252 100p
R2855
R2254 3.3k
3.3k
6
2.5V -
7
R
C2254 2.5V
5
+
2.5V
R2267
IC207
10/63 0
NJM4580E-X
(2/2)
R2851
0V -4.0V
0
Q2809
RT1P441C-X 0V
R2708
100K
S-MUTE DRIVER
TPSW4
R2655 C2653
100 10/50 SW
TPC4
C
R2567
C2559
NI
NI
1/4W
R2858
150
TPSL4
SL
R2355
0
* only for KARAOKE
TPSR4
SR
R2455
0
TPL4
C2153
L
10/63
R2159 0
R2155
0
R
R2259 0
R2255
C2253 TPR4
0
10/63
1.VOLTAGES
NOTES OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CONDITION-
2.UNLESS
ALL RESISTANCE
ALL CAPACITORS
CAPACITOR.
ALL CAPACITANCE
ALL INDUCTANCE
ALL E.CAPACITORS
CAPACITANCE (
ALL DIODES ARE 1SS133-T2
2-8
D2706
2.9V
MA8033-X
R2867
1.5K
R2665
18K
C2665
0.047
SW_AHB
R2674
390K f0=41.2Hz
R2673
100
4 3 2 1
-
+
+
-
5 6 7 8
C2669
0.047
R2670
150
Q2812
C2670 KTC3875/YG/-X
C2863
0.047
100/16 0V
R2671
10K
0V
R2672 R2874 D2708
82K 10K MA111-X
D2703
R2863
MC2838-X
51K
R2166
0
R2266
0
ARE DC-MEASURED WITH A DIGITAL VOLT METER
CD STOP MODE
OTHERWISE SPECIFIED.
VALUES ARE IN OHM( ).
ARE CERAMIC CAPACITOR OR MYLAR
VALUES ARE IN F(P=pF).
VALUES ARE IN H(m=mH).
ARE SHOWN IN THE FORM OF
F)/RATED VOLTAGE (V).
LVA10822-A1
MAIN PWB
CN202
QGF1036F2-07
23.0V
7 +B
23.0V
+B
6 +B TO AMP PWB
0V
5 AGND CN101 of
GND 0V
4 AGND
LVA10823-A1
-24.8V
_B
3 -B
A13V 13.2V
2 RY+12V
DGND 0V
1 RY.GND
CN201
QGF1036F2-23
AMP_RY 3.1V
23 AMP_RY
0V
AMP_PRT
22 AMP_RRT
AMP_THERMO 3.1V
21 AMP_THERMO
AMP_SAFETY 0V
20 AMP_SAFETY
4.5V
LVL_DET
19 LVL_DET
0V
18 AHB_DET_SW
17 AHB_DET_F
0V
AMP_FCTRL
16 AMP_FCTRL
A5V 5.1V
15 A5V
AMP_STBY 0V TO AMP PWB
14 AMP_STBY
0V
AMP_1CHDET CN102 of
13 1CH_DET
0V LVA10823-A1
12 CG
3.3V
11 C
2.6V
10 SWG
5.0V
9 SW
0V
8 SLG
0V
7 SL
0V
6 SRG
0V
5 SR
0V
4 FLG
1.3V
3 FL
0V
2 FRG
2.8V
1 FR