JVC UX-G500VB Service Manual page 49

Audio amp section
GVA10151-A1(2/3)
OUTL
VOLUME IC
SWOUTL
VOLDATA
VOLCLK
16 15 14
17 18 19
VOLLATCH
A9V
SWOUTR
OUTR
AGND
US3.3V
AHB
AHB
VOLCLK
VOLCLK
VOLDATA
VOLDATA
VOLLATCH
VOLLATCH
HPMUTE
HPMUTE
SMUTE
SMUTE
SWMUTE
SWMUTE
AUXINR
AUXINR FL
AUXINL
AUXINL
TUL
TUL FR
TUR C5801
TUR
NI R5801
SCART-LIN
SCART-LIN
SCART-RIN
0
SCART-RIN
CDR
B4125
CDR
CDL
CDL
IPODR
IPODR
K5801
IPODL
IPODL 0
PROT
PROT
DC_DET
DC_DET
MUTE
MUTE
B4126
STBY
STBY
LEVEL_DET C5901
R5901
LEVEL_DET
FREQ_BEAT
FREQ_BEAT 0
NI
LRMUTE
LRMUTE
CDR
CDL
CN510
QGF1040C1-05
8.8V
A9V 1
2.5V
FAOUTR 2
0V
AGND 3
2.5V
FAOUTL 4
3.3V
LRMUTE 5
CN520
QGF1208C1-11
3.3V PROT
PROT 11
DC_DET
3.3V
DC_DET 10
0V
LIN 9
LOUT
0V
AGND 8
0V ROUT
RIN 7
0V MUTE
MUTE 6
3.3V STBY
STBY 5
C5004
0V
NC 4
AHB_CTL
0V
NI
AHB_CTL 3
0V LEVEL_DET
LEVEL_DET 2
0V FREQ_BEAT
AMBEATCUT 1
*
CONN.
R5105
43K
R5102
9.1k
C5111
4700P
C5106
3300P
OUTR
13 12 11 10 9 8 7 6 5 4 3 2 1
IC500
NJU7391V-X
20 21 22 23 24 25 26 27 28 29 30 31 32
C5211
4700P
C5206
3300P
R5401
R5202
AUXINR OUTL
9.1k R5204
24K
IPODR
FR
TUR
SCART-RIN
AHB
LR MUTE
6 5 4
Q3
R1
Q1
R2
Q2
1 2 3
R5803 C5803
NI NI
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITA L
VERS.
B,E,EN,
VOLT METER OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
EE,EV ONLY
CONDITION --- CD STOP MODE
2. UNLESS OTHERWISE SPECIFIED.
C5104 QETN1HM-106Z
ALL RESISTORS ARE 1/4W
C5204 QETN1HM-106Z
OR 0.063W 5% THICK FILM CHIP RESISTOR
ALL CAPACITORS ARE
MYLAR CAPACITOR.
3. NI=NO INSERT
4. "0"= SHORT BY PATTERN
R5356
4.7K
R5306
2K
C5303
R5301
1.8K
0.068
R5309 430K
R5313
R5310 1K
C5306 0
22/63
4 3 2 1
-
+
AHB
R5413
0
R5410
5 6 7 8
1K
C5406
R5409 22/63
430K
1.8K
C5403
0.068
8.9V
R5406
2K
0.05V
R5351 D5351
51K MA111-X
0V
R5411
0V R5311
4.7K 4.7K
0.05V
0.05V
Q5401
KTC3875/YG/-X
0V
0V
C5502
C5501 R5501
2.2/50
NI 1.2K
B4127
6 5 4
0.1/16
Q3
R1
Q1
R2
Q2
1 2 3
C5602
C5601
2.2/50
NI
R5601
1.2K R5508
10K
B4128
HEADPHONE AMP
ALL RESISTANCE VALUES ARE IN OHM( ) .
ALL CAPACITANCE VALUES ARE IN uF(P=pF).
ALL E.CAPACITORS ARE SHOWN IN THE FORM
OF CAPACITANCE( uF) /RATED VOLTAGE (V).
5% CARBON FILM RESISTOR
ALL INDUCTANCE VALUES ARE IN uH(m=mH) .
ALL DIODES ARE MA111-X
CERAMIC CAPACITOR OR
2-4
SMUTE
SMUTE
1 2 3
Q2
R2
Q1
R1
Q3
6 5 4
ROUT
S.W.OUT
R5701
47K
SWOUTL
3.6V Q5701
KTC3875/YG/-X
SWOUTR
LOUT
R5751
C5704
47K
R5703
22/50
1K
6 5 4
Q3
R1
Q1
R2
SWMUTE
Q2
0V
1 2 3
K5701
R5354 AHB_CTL
7.5K
R5503 C5503 C5504
56K 150P 100P
C5505 R5506
100/16
22
R5504 R5505
C5509 11K
7.5K
5 6 7 8
3 2 1
-
+
4 3 2 1
4 5 6
R5604 R5605
7.5K 11K
C5604
R5603
R5606
56K 100P
22
C5603
C5605
150P
100/16
R5704
4.7K
J5001
QNN0780-001
1
2
D5701
D5702
C5706
K5702 1/16
NI
3
HPR
HPR
AGND
HPL
HPL