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JVC UX-G70A Service Manual page 41

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Amplifier section
1
2
3
4
5
6
7
8
9
D3003
D3002
MTZJ15B-T2
MTZJ15B-T2
!
C3001
NI
C3011
*2
4.7p
C3015
0.022/50
R3015
R3012
47K
1K
C3012
UNF
47/25
R3016
0V
2.2
UNF
UNF
R3017
R3019
2.2
1K
MY
MY
C3014
0.33/50
4.8V
/SMUTE
1
3.7V
AMPCTRL
2
4.8V
/PRT
3
4.8V
US6V
4
4.8V
US6V
5
**
C3562
NI
B3166
!
RY351
QSK0127-001
C3563
2
NI
SPEAKER
RELAY
1
B3165
B3168
4
C3565
NI
3
D3561
1SS133-T2
C3566
NI
CN359
B3167
SGND
QGD2504C1-05Z
0V
HPR
5
0.5V
0V
HPGND
4
0V
0V
HPL
3
0V
DGND
2
3.3V
USB3.3V
1
GAMEL
3.7V
3
0V
AGND
2
PQ033ES3MX-T
3.7V
GAMER
1
*1
IC300
B3192
OUT
GND
IN
*1
1
2
3
R3200
3.3V
8.7V
NOTES
DIGITAL TRANSISTOR
R1
R2
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL
CONSTRUCTION
VOLT METER
OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CONDITION ---
DVD STOP MODE
KRA109M-T
47K
22K
R2
R1
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/4W
5% CARBON FILM RESISTOR.
**
ALL CAPACITORS ARE
CERAMIC CAPACITOR
OR
MYLAR CAPACITOR.
KRA110M-T
4.7K
R2
-
R1
ALL RESISTANCE VALUES ARE IN OHM(
).
ALL CAPACITANCE VALUES ARE IN
F(P=pF).
ALL CAPACITORS ARE SHOWN IN THE FORM
OF
CAPACITANCE(
F) /RATED VOLTAGE (V).
R2
R1
KRC102M-T
10K
10K
ALL INDUCTANCE VALUES ARE IN
H(m=mH).
ALL DIODES ARE 1SS133-T2 UNLESS SPECIFIED
3.NI = NO INSERT
!
*
POWER IC
IC301
10
11
12
13
14
15
16
17
18
IC STANDBY CTRL
R3051
10K
R3052
10K
Q3051
KTA1023/OY/-T
C3016
46.3V
46.3V
R3053
47P
C3116
-45.7V
47P
Q3052
10K
R3054
10K
KTC1027/OY/-T
-46.3V
-46.3V
C3131
R3132
1.5K
10/35
R3131
47K
MY
R3031
C3032
C3054
100P
MY
47K
1/50
!
*2
C3115
C3111
R3032
C3031
1.5K
10/35
0.022/50
4.7p
Q3041
R3112
R3115
KRA109M-T
1K
47K
4.8V
-1V
UNF
R3116
0V
2.2
UNF
0V
R3117
2.2
0V
0V
0V
MY
0V
0V
Q3043
KTC2876-T
MY
C3114
SYSTEM MUTE
0.33/50
B3111
D3041
NI
KTC3199/GL/-T
!
Q3541
30V REG
R3561
KTC2026/Y/
1N4003S-T5
31.9V
1.5K
80V
0.9V
Q3561
H/P MUTE
0V
0.3V
0V
C3551
4.7/50
R3553
5V
47K
Q3551
KRA109M-T
CN358
QGB2510K2-11
TO CN701 OF GVA10128-A1
*
(PAGE 3/9)
REF. NO.
J/C
OTHERS
IC301
STK412-400
STK412-490-E
J/C
REF. NO.
OTHERS
***
Q3301
KRA110M-T
R3504
QRT01DJ-R33X
NI
B/E/EN/EV/EE
REF. NO.
OTHERS
R3503
QRT01DJ-R33X
UP
B3179
NI
QUY150-050Y
B3165
B3166
NI
QUY0150-050Y
B3167
B3168
****
REF. NO.
J/C
OTHERS
R3565
4.7 OHM
NI
R3566
D8001
C3561
MTZJ5.1C-T2
MTZJ5.6C-T2
NI
C3564
3300P/50
C3562
C3563
NI
47000P/50
C3565
C3566
SGND1
GVA10129-A3
GVA10129-A2
Q3053
KTC3200/GL/-T
D3051
0.7V
1SS133-T2
1.3V
R3056
2.2K
C3053
0V
100/16
0.6V
Q3054
KTA1268/GL/-T
C3052
47/63
!
PROTECTOR
C3063
10/50
Q3061
KTC3200/GL/-T
-47.1V
R3065
-47.1V
4.8V
10K
R3064
10K
46.8V
-46.5V
4.8V
0V
0V
0V
0V
OUTL
0V
0V
OUTL
1
1
OUTR
OUTR
0V
0V
2
2
+VH
46.8V
+VH
3
3
-VH
-46.8V
-VH
4
4
PGND
0V
0V
PGND
5
5
PGND
0V
0V
PGND
6
6
+VL
+VL
23.1V
7
7
-VL
-VL
-23.1V
8
8
INL
0V
0V
INL
9
9
AGND_IN
0V
0V
AGND_IN
10
10
INR
0V
0V
INR
11
11
C3542
R3543
D3544
100/63
UNF
4.7
D3542
!
R3548
1N4003S-T5
R3540
NI
0V
NI
R3541
R3549
9.1
NI
R3542
R3550
9.1
NI
B3160
B3161
NI
*1
B3191
C3500
*1
1/50
B3190
CN357
CN361
QGA2501C1-03
QGB2510K2-12
3
2
1
FROM TRANSFORMER
(PAGE 1/9)
TO CN702 OF GVA10128-A1
(PAGE 3/9)
FROM CN901 OF GVA10129-A1
(PAGE 1/9)
EP351
QNZ0136-001Z
CN351
QGB2510K2-14
Q8001
!
KTA1046/Y/
21.1V
8.6V
***
0V
Q8002
KTC3199/GL/-T
R3501
22K
C3501
4700/56
R3502
22K
D3510
1SS133-T2
C3502
4700/56
D3512
C3503
1SS133-T2
4700/16
CN354
D3515
QGB2510J1-09
CN801
C3504
QGB2510K1-09
4700/25
MTZJ13B-T2
S3
21V
S3
1
1
GND
GND
0V
0V
2
2
S3CT
D3511
8.9V
S3CT
3
3
1SS133-T2
S12V
S12V
11.8V
4
4
A9V
9.1V
A9V
5
5
M9V
M9V
SAFETY
9.1V
6
6
M5V
M5V
5V
5V
7
7
S5V
5V
5V
S5V
8
8
CTRL
4.8V
CTRL
9
9
D3500
MTZJ11C-T2
D3514
1SS133-T2
0V
0.4V
Q3300
C8301
KRC102M-T
10/50
D3517
MTZJ5.6A-T2
D3516
D8301
NI
1SS133-T2
C8401
SAFETY_REG
GVA10129-A4
R_OUT
3.1V
1
0V
VGND
2
B_OUT
3.1V
3
VGND
0V
4
Y/G_OUT
3.2V
5
VGND
0V
6
3.2V
Y_OUT
7
D5V
5V
8
C_OUT
3.1V
9
11.8V
12V
10
D3522
D3521
NI
NI
D3523
2A02-M
C3521
100/16
C3522
100/16
*1
REF. NO.
J/C ONLY
K13
B3190
QUY0150-050Y
K13
B3191
K4
B3192
R3200
K4
CN356
QGF1205F2-17
*2
E5,E6
REF. NO.
ALL VERSION
C3015
0.022/50
C3115
0.022/50
FROM CN501 OF GVA10129-A5
(PAGE 4/9)
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
VOLTAGE CTRL
R8005
4.7k
R8004
C8001
680
220P/50
R8006
2.7k
0.7V
Q8003
KTC3199/GL/-T
IC811
!
KIA7812API
21.1V
IN
C8101
10/50
0V
GND
C8102
100/25
11.8V
OUT
D8101
NI
B8101
IC821
!
KIA278R09PI
C8201
10/50
21.1V
IN
9.1V
OUT
C8202
100/25
0V
GND
C8203
0.01/50
21.1V
CTRL
B8100
R8301
IC831
!
KIA278R05PI
NI
UNF
8.6V
IN
C8302
5V
OUT
100/16
0V
GND
C8303
NI
4.8V
CTRL
IC841
!
NI
IN
NI
GND
C8402
NI
OUT
OTHERS
NI
NI
QUY0150-050Y
NI
QUY0150-050Y
100
NI
2-3

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