Audio Section - JVC UX-G68E Service Manual

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*1 EMC C/M (ESD)
REF.NO
E/EE/EN/EV
OTHERS
UP
C571
0.0033/50
NI
C572
C577
0.0033/50
0.001/50
C578
GVA10112-A1
C573
C574
0.047/50
NI
C575
C576
R571
4.7 (UNF)
NI
R572
*2 TAPE & MIC
REF.NO
WITH TAPE & MIC
WITH TAPE ONLY
WITHOUT TAPE(E ver.)
B6000
NI
NRSA63J-0R0X
NRSA63J-0R0X
B6001
NI
NRSA63J-0R0X
NRSA63J-0R0X
10/63
C606
NI
NI
C616
10/63
NI
NI
C607
10/63
10/63
NI
C617
10/63
10/63
NI
B6120
QUY150-050Y
NI
NI
QUY150-050Y
B6121
NI
NI
CN910
INSERT
NI
NI
*3 SOUND QUALITY
REF.NO
E ver.
U EXCEPT UP,A Ver.
UP AND A Ver.
C621
C622
0.27uF
0.33uF
0.33uF
CN722
C631
QGF1036F2-05
C632
0V
LRMUTE
1
R621
0V
7.5K
3.9K
3.9K
FAOUTL
2
R631
0V
AGND
3
R642
0V
15K
27K
27K
FAOUTR
4
R643
8.9V
A6V
5
C640
1/50
4.7/50
4.7/50
R644
3.3K
3.3K
3K
C642
0.15/10
0.15/10
0.15/10
R648
120K
22K
22K
R649
330K
100K
100K
C649
1/50
1/50
1/50
C628
0.0027/50
0.0012/50
0.0012/50
C638
R611
7.5K
6.8K
7.5K
R630
C509
47/35
47/63
47/63
C522
3300/50
4700/50 (SQ)
4700/50 (SQ)
IC690
RC4558D-X
KIA4558F-X
RC4558D-X
C610
C620
0.1/100
0.1/50
0.1/50
C529
C539
C502
10/50
10/63
10/63
C503
C603
10/50
10/63
10/63
C613
C660
10/50
10/63
10/63
C661
DIGITAL
TRANSISTOR
CONSTRUCTION
0V
MIC9V
1
R1
R2
8.9V
MICSIG
2
CN910
*2
4V
R2
10K
KRC111S-X
ECHO
3
R1
-
QGF1205C2-05
AGND
0V
4
5V
DGND
5
R1
R2
R1
R2
KRA109S-X
0V
10K
10K
HPL
1
CN811
0V
HPGND
2
QGD2504C1-03Z
0V
HPR
3
8.9V
R1
R2
1
A9V
4.4V
R2
KRC102S-X
AUXR
2
R1
CN810
47K
22K
0V
QGD2504C1-04Z
AGND
3
AUXL
4.4V
4
R2
KRA102M-T
R1
R1
R2
0V
TEMP
1
5.2V
10K
10K
FANST
2
0V
CN217
R2
KRC102M-T
FANCTRL
3
R1
5.1V
POUT
4
4.8V
SMUTE
5
5.1V
VOLDATA
6
0V
QGF1205F2-13
VOLCE
7
5.1V
VOLCLK
8
5.1V
AHB
9
4.6V
SWMUTE
10
5.2V
PRT
11
5V
SPKRLY
12
0V
NC
13
0V
ECHO
14
0V
DGND
15
R590
9.1K
0V
PBL
16
0V
AGND
17
(U ver. only)
9.1K
0V
R591
PBR
QGF1205F2-21
18
0V
R592
0
RECL
19
0V
AGND
20
R593
0
0V
RECR
21
TUR
0V
1
0V
CN219
AGND
2
QGD2504C1-03Z
0V
TUL
3
0V
SCART-RIN
4
(E ver. only)
AGND
0V
5
CN220
QGD2504C1-03Z
0V
SCART-LIN
6
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL
VOLT METER OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CONDITION --- AUX MODE, VOL MIN, S.TURBO OFF/FLAT.
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/10W
5% METAL GLAZE RESISTOR.
ALL CAPACITORS ARE CERAMIC CAPACITOR OR
MYLAR CAPACITOR (INDICATED "MY").
ALL RESISTANCE VALUES ARE IN OHM(
).
ALL CAPACITANCE VALUES ARE IN
F(P=pF).
ALL E.CAPACITORS ARE SHOWN IN THE FORM
OF CAPACITANCE(
F) /RATED VOLTAGE (V).
E.CAPACITORS INDICATRED WITH "SQ" ARE SOUND QUALITY TYPE.
ALL INDUCTANCE VALUES ARE IN
H(m=mH).
ALL DIODES ARE MA111-X UNLESS SPECIFIED
NI-->NOT INSERT
SQ-->SOUND QUALITY
*3
R500
R510
SQ
INL
3.3K
1.5K
C502
LRMUTE
R504
* ALL NI
10K
R669
C665
6
5
4
0V
1K
0.1/16
Q660
0V
RT1P140C-X
C661
R661
0V
SQ
R665
*3
3K
1
2
3
10K
B6163
QUY150-050Y
6
5
4
R505
10K
R501
C503
R511
INR
3.3K
SQ
1.5K
K660
SYSTEM MUTE
*3
NI
RT1P141C-X
RT1P141C-X
1
2
3
Q500
Q510
R664
R503
4.7V
4.8V
4.8V
4.7V
C660
10K
220
R660
SQ
0V
0V
C504
3K
4.7/50
*3
B6403
QUY150-050Y
Q670
NI
A6V
MICSIG
ECHO
VOLUME IC
& HPF
HPL
MY
MY
HPR
C618
0.082/50
AUXR
MY
SQ
MY
MY
MY
MY
MY
MY
*2
B6001
AUXL
VOLCLK
R623
2.2K
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
TEMP
FANST
FANCTRL
POUT
IC600
LC75345M-X
SMUTE
VOLDATA
VOLCE
VOLCLK
AHB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
R624
VOLDATA
2.2K
SWMUTE
*2
VOLCE
B6000
PRT
SPKRLY
MY
MY
MY
MY
MY
MY
SQ
ECHO
C608
MY
0.082/50
PBL
MY
MY
PBR
RECL
RECR
AHB
TUR
R648
D645
R647
D646
*3
AHB
0V
0V
51K
0.6V
0.6V
TUL
47K
47K
R641
R640
0V
0V
Q641
Q642
2SC3928A/QR/-X
2SC3928A/QR/-X
IC600
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
PIN
V
5.1
0
0
4
4
4
4
4
4
IC501
!
STK432-070
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Q505
R537
KTC3200/GL/-T
C505
-37.7V
5.2V
100p/50
2SC3928A/QR/-X
R543
R528
R544
100K
120K
R515
R523
100
UNF
22/50
C523
100
UNF
D500
!
!
UDZW9.1B-X
D504
UDZW9.1B-X
R530
R531
10K
100K
C513
C516
R508
R527
56K
56K
NI
NI
C507
C521
0V
0V
5p/50
0V
0V
5p/50
!
*3
-36.7V
*3
-36.7V
!
C511
0.1/50
R604
240K
18
R605
240K
Q651
C640
2SC3928A/QR/-X
*3
D642
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
TO CN203&CN204 OF GVA10111-A1
(PAGE 2/6)
FROM TRANSFORMER T101
(PAGE 1/6)
FW213
QUM156-07DGZ4-E
CN601
QGA3901C1-03
D580
D581
D586
1N5402M-20
1N5402M-20
+VH
NI
NI
C580
!
!
MY
*3
D587
D588
0.1/100
MY
C584
Q580
0.1/100
MY
*3
Q581
!
!
0.1/100
C582
0V
-VH
D583
D582
R581
1N5402M-20
1N5402M-20
RT1P141C-X
22K
B6101
NI
Q509
NI
PROTECTOR
10K
R539
NI
Q506
82K
0V
0V
NI
H/P MUTE
SPK RELAY
*1
R568
2SC3928A/QR/-X
OUTR
Q550
10K
0V
0V
6
5
4
6
5
4
1
2
3
RGND
10K
1
2
3
OUTL
R567
LGND
C696
NI
R697
47K
R691
47K
C695
C693
10p/50
SQ
R693
10/35
47K
8
7
6
5
-
+
IC690
KIA4558F-X
1
2
3
4
R692
C694
C692
10p/50
47K
SQ
10/35
R690
MIC MIX
47K
R696
* U VER. EXCEPT A& UP
47K
C652
R656
S.W.OUT
22/50
4.7K
Q650
Q652
R654
2SC5938A/B/-X
RT1P141C-X
220
R655
4.6V
4.5V
4.5V
2.2K
0V
4
4 8.9 5.1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
TO FAN
CN602
QGA2501C1-03
FAN DRIVER
KTA1271/OY/-T
0V
12V
0V
Q680
0V
-37.7V
0V
EP500
GND
C575
6
C573
0V
1
+
0V
3
SPK RIGHT 6ohm
-
2
0V
+
SPK LEFT 6ohm
0V
C576
4
-
5
C574
J570
QNB0303-001
J650
QNN0284-001
0V
SUBWOOFER OUT
0V
D651
D652
C650
0.01/50
2-3

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