Audio Section - JVC UX-G38B Service Manual

Audio section

QGF1208C1-11 FOR J/C/U Ver.
QGF1208C1-15 FOR E Ver.
TO TUNER SECTION
CN911
QGF1208C1-15
* pin3 and pin5
E/U short
J/C open
C9004
1000P/50
K901
0
CHS_GND
C9005
220/16
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL 4.DIGITAL TRANSISTOR
VOLT METER OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
R1
CONDITION --- CD STOP MODE
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/4W 5% CARBON FILM RESISTOR
R2
ALL CAPACITORS ARE CERAMIC CAPACITOR OR
R1 R2
MYLAR CAPACITOR.
KRC102S-X
ALL RESISTANCE VALUES ARE IN OHM( ). 10K 10K
RT1N141C-X
ALL CAPACITANCE VALUES ARE IN F(P=pF).
KRC109S-X
47K 22K
ALL CAPACITORS ARE SHOWN IN THE FORM RT1N44HC-X
OF CAPACITANCE( F) /RATED VOLTAGE (V). R1
ALL INDUCTANCE VALUES ARE IN H(m=mH).
3. NI STANDS FOR NOT INSERTED PARTS.
R2
R1 R2
KRA101S-X
4.7K 4.7K
RT1P431C-X
KRA104S-X
47K 47K
RT1P441C-X
KRA102S-X
10K 10K
RT1P141C-X
QP LINK
=
47K
C4503 47/25
RT1P440C-X
KRA114S-X
R4506
C4502 47/25 47K
R4510
NI
R4507
C4504 47K
NI
C4508
W303 1 NI
C4506
C4509 0 C4510
NI
0.22/16 R4503 220K
D4501
1SS133-T2
4 3 2 1 R4502 4 3 2 1
4.7K
- -
+ +
IC451 IC452
NI NJM4565M-WE
+ +
- R4501 -
4.7K
5 6 7 8 5 6 7 8
C4507
NI
R4513
10K
R4511
NI Q4502
R4514
Q4501
RT1N44HC-X
1K
R4505
2.2K
C4505
Q4503
NI
RT1N431C-X
R4512
2.7K
LINE OUT
R4603
R4601 1K
300
Q4603
RT1P441C-X
Q4601
R4604
KTC812T-X
2.2K
C4601 C4607
470P/50 6 3 100P/50
C4608
2 5
100P/50
C4602
1 4 R4605
C4603
470P/50 10/50
2.2K
R4606
R4602 1K
300
KTC812T-X
W311
1
CN401
QGB1214J1-10S
TO CN402
SHEET3
TO MICON SECTION
SHEET2
* R3155
C3151
R3147
R3154 6.2K
NI
CDL C3158
NI
R3150 R3143
R3140 22K
R3141
15K 15K
7.5K
NI
C3157
R3158
0
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
IC303
LC75345M-X
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
R3258
0
* R3255
R3250
15K
*
C3251 C3258
NI
CDR
R3247
6.2k
L3801
82
1/2W
CD8V
D3507 D3506
1N4003S-T5 1N4003S-T5
Q3501
KTA1046/Y/
D3504
1N4003S-T5
D3503
C3502
NI 1SS133-T2
0.01/50
Q3502
2SC3928A/QR/-X
C3504
NI
C3503
100/16
R3502
270
1/4W
R4608
47K
R4610
3.3K
R4609
47K
R4614
4.7K
R4615
4.7K
R4611
3.3K
Q4606
RT1P141C-X
Q4604
Q3702
RT1P441C-X
R3703
10K
Q3701
2SC3576-JVC-T
R3706
US6V
D3703
FR104S-T5
D3707
C3707
POUT
BACKUPMUTE
2
-
1
SMUTE
3
D5301
MC2838-X
B5300 NI R5304
SAFETY3
10k
R3142
C5312 C5119
0.22/16
47K
Q3602
22/50
2SC5938A/B/-X
R3160
L
NI
R5101
C5102
6.8k
2.2/10
GND
R5103
R3342 VOLCE
LINN
4.7K
6.2K 0
R3343 VOLDT LINP
C5103 10/63 R5105
4.7K 1 AGND
R5205
C5203 0
1 W301 RINP
R5203 10/63
IC501
RINN
R 6.2K TPA3100D2PHP-W
C5202
1 R5201 GAIN0
R5306 2.2/10
W308
GAIN0
NI
6.8k
GAIN1
R5307
1 0 MSTRSLV
W312
SYNC
GND
36
R3344
VOLCK
4.7K
R3260
D3305
NI MC2838-X C5219
0.22/16
R3243
AHBPRO
22K
R3310 R3309
R3242 22K 120k
C3312
47K
10/50
R3807
TU9V
0 SW9V
Q3801
KTB772/Y/
Q3401
R3403
C3802 * KTB772/Y/
100/16 0
*
D3401
1SS133-T2
C3801
FTU
Q3402
2SC3928A/QR/-X
C3401
10/50
SAFETY1
R3401
R3402
470
4.7K
1/4W
R3801
4.7K
R3802
470
FSW9V
Q3705
R3710
NI
NI
1/4W
Q3706
DAB12V
NI MA111-X
D3706
R3705
Q3703
Q3708
Q3709
NI
NI
US4V
IC372
IC373 IC374
RT9164A-PG-X MM1594AF-X NI
C3717
1/16
OUT IN OUT IN
1 2 3 NC NC NC NC
GND SUB GND SUB
R3713 CN CTRL CN CTRL
120
DAB5V
USB4V
R3712 NI
CN372
NI
TO DAB UNIT
TO MICON SECTION
SHEET2
K5101
K5103
NQR0413-002X
NQR0413-002X
L+
L5101
C5208
22
C5122 0.01/50
0.01/50
K5102 C5123 C5207
0.01/50
NQR0413-002X L5102 0.01/50
L-
C5106
C5120 K5104 22 0.1/50
0.22/16
NQR0413-002X
C5305
GND
1/50
PVCCL
C5306 L5103
*
PVCCL
220/25
B5204
PGNDL *
PGNDL
C5307
VCLAMPL 1/16
C5308
VCLAMPR
1/50
PGNDR
PGNDR * B5203
C5309
PVCCR
220/25
PVCCR
C5310
GND 1/16
C5220 * L5203
0.22/16 K5203
NQR0413-002X L5201
R- * B5104
C5108
NQR0413-002X 22
C5222 0.022/50
K5201
0.01/50
C5107
0.022/50
K5202 K5204 L5202 R+
* B5103
NQR0413-002X 22
*
NQR0413-002X
MARK
J/C
1 1
W501
W309
B5103,B5104
SHORT
B5203,B5204
C9007
NI
L5103,L5203 NI
L3701
QUY150-050Y
C8301
4.7/50 Q8301
RT1P431C-X
C8104
R8105
0.0022/50
1K
150p/50
R8104 R8106
6 3
1k
3.3K C8103
C8101
R8101 2 5
10/50
3.3k 1 4
4 3 2 1
Q8103
KTC812T-X
C8107
-
4.7/50
IC801 +
NJM4565M-WE
+
-
C8105
220/10
5 6 7 8
C8201
R8201
R8206
3.3k C8207 R8204 C8203 1K
10/50
4.7/50
3.3K 150p/50 C8205 R8207
22
220/10
R8205
C8204
R8301
1K
33 0.0022/50
C3151 R3155 R3803
*
C3251 R3255
J/C NI 5.6K NI
D3701 MTZJ30C-T2
E 0.022 3.9K 820
W502
Q3710 1
U 0.022 5.6K NI
KTA1267/YG/-T
W310
1
W302
1
D3705 MTZJ2.4B-T2
GNA10052-A1
CN373
QGB2510J1-10
TO CN901
SHEET1
TO MICON SECTION TO MICON SECTION
SHEET2
TO CN432
TO SHEET2
SHEET2
5
R+
1
L+
2
R-
3
L-
4
B/E/EN/EV/UP UT/US/UF/A
UB/UY/UW/UJ
NI SHORT
QQR0797-002 NI
HEADPHONE IN
Q8102
KTC812T-X
6 3
2 5
1 4
R8107
L
22
R
C3801 D3802
NI NI
47/6.3 MTZJ3.3B-T2
NI NI
2-5