JVC RX-5050B Service Manual page 8

Standard schematic diagrams
Primary section
LVA10472-1 LVA10472-2
J/C
CN251 QGA3901F2-05
S1
5
S2
4
COM
3
S2
2
S1
1
!
QGF1205C1-14
CN201
0V RY_HP
1
0V
2
!
4.4V RY_LR1
3
0V RY_C
2A-125V
4
0V RY_S
5
5.1V PROTECTOR_IN
6
4.8V POWER
To CN701 7
0V RY_SURROUND
8
(LVA10464-2)
-24.9V F1
9
-29V -VPP
10
-24.9V F2
11
0V D.GND
12
5.0V B+5V
13
5.1V 5.6V
14
LVA10472-8
QGB2510K1-04
CN492
23V +B2
1 1 1
0V A.GND
2 2 2
To CN491
-24.9V -B2
3 3 3
(LVA10464-1)
5.7V 5.6V
4 4 4
CN292
Q205
QGB2510K1-04 R209 KTC3200/GL
-24.9V -29.8V
100k
!
R208
C218 10
D217
1/50 UNF.RES
MTZ8.2JC
CN241
QGD2504C1-05Z 68 R210
UNF 23.5V
0V HP_R
1 (1/4W)
! 5 2 1
GND
2
To FW141
0V HP_L 1SS133
3
(LVA10471-1) D218
5.1V FW251
4
-29.0V FL-B
Q210 ! HP_L
5
0V KRC105M 6 4 3 1
GND
2
RY203 HP_R
3
0V 23.4V 23.4V
QSK0109-001
J/C
QMF51U1-6R3-J8
F201
(6.3A-125V)
F202,F203 QMF51U1-2R0-J8
(2A-125V)
F204 NONE
F205 NONE
B170
USE
QMF51U1-5R0-J8
F206,F207
(5A-125V)
VS201 NONE
J/C B/E/EN/EV
R1,EP1 USE
R211,R212
D222,D223 NONE
Q211
R221 USE
R203 NONE
T202 QQT0434-001 QQT0433-001
C209 470/25
R201 2.7
C101 330P
C102 330P
C221 NONE
!
LVA10472-3
POWER
TRANSFORMER
T201
PW311
114 014
*
! F206
112
5A-125V
110
*
! F207
111
5A-125V
113
121
*
F202
120
2A-125V
122
*
F203
130
010
PW302
UNF.M.F. (1/4W) 131
R201
! TH.FUSE
FW201 2.2
FW201
* B170
PW203
* F205
PW204
PW205
QQT0478-001
T202
!
! ! C210
D201 D202
PG4003-F21 1A3G-T1 !
C208
C202 C203
0.0047/100
0.1 0.1
(100V) (100V) !
RY202
C201 ! QSK0128-001
0.1
(100V)
! D210 0V
! !
1SS133
D203 D204
1A3G-T1
PG4003-F21
! D208 * R221 Q203
!
1A3G-T1 10 KTC3203/OY/
C204 C205 ! UNF.RES 5.8V
C209 !
2200/35 1000/35
470/25 (1/4W)
6.4V
R204
! D221
820
1SS133
(1/4W)
6.9V
D211
C212
470/16 MTZ6.8JC
POWER
CN101 LVA10464-6
4.5V
QGD2504C1-03Z
UNF.O.M.F. (2W) 0V
* 330P
R101 470 0V
C101 0V
3 J101
OMF Q206
2
3 0V Q208 24.2V KRC105M
1 Q209
* KRC105M
OMF C102 2 0V 24.1V
KRC105M
R102 470
330P 1
UNF.O.M.F. (2W)
B/E/EN/EV/UP/A US/UT
QMF51W2-2R5-J8 QMF51W2-5R0-J8
(2.5A-250V) (5A-250V)
Parts are safety assurance parts.
QMF51W2-2R0-J8 QMF51W2-2R0-J8
(2A-250V) (2A-250V)
When replacing those parts make
NONE QMF51W2-2R5-J8
(2.5A-250V)
sure to use the specified one.
QMF51E2-R10-J1 QMF51E2-R10-J1
(100mA-250V) (100mA-250V)
NONE NONE
QMF51W2-5R0-J8 QMF51W2-5R0-J8
(5A-250V) (5A-250V)
NONE USE
US/UT UP/A
NONE NONE NONE
NONE NONE USE
USE NONE NONE
NONE USE USE
QQT0281-004 QQT0281-004
470/25 470/63 470/63
4.7 5.6 5.6
0.001 330P 330P
0.001 330P 330P
USE NONE NONE
LVA10472-4
LVA10472-1
B/E/EN/EV
PW101
QGF1205C1-14
CN201
RY_HP
1
2
RY_LR1
3
RY_C
4
RY_S
5
PW102 PROTECTOR_IN
6
POWER
To CN701 7
RY_SURROUND
(LVA10464-2) 8
F1
9
(SHEET 6) -VPP
10
*
F2
!
F201 11
D.GND
!
12
PW103
B+5V
6.3A-125V 13
5.6V
MAINS 14
PW104 TA201
PLUG
PW105 TA202
R1
!
3.3M
EP1
GND
LVA10472-8
0V
Q202
KRC105M QGB2510K1-04
4.8V CN492
+B2
1 1 1
A.GND
To CN491 2 2 2
-B2
(LVA10464-1) 3 3 3
5.6V
4 4 4
D212 (SHEET 3)
CN292
1A3G-T1
QGB2510K1-04
5.1V
C213
2200/6.3
EP201
QGD2504C1-05Z
CN241
To FW303
HP_R
1
(LVA10471-2)
GND
To FW141 2
HP_L
23V
1 (LVA10471-1) 3
+B2
0V 0V PROTECTOR_IN
4
2 FRONT_A
FL-B
0V (SHEET 2)
5
3 SURR
0V
4 CENTER
0V
CN203
QGD2504C1-04Z
VERSION CODES
SHEET CIRCUIT DISCRIPTION
J ; U.S.A.
C ; CANADA
1 PRIMARY
(J/C/B/E/EN/EV)
B ; U.K.
2 AUDIO AMP
E ; CONTINENTAL EUROPE 3 VOLUME / REGULATOR / SOURCE SELECT IC
4 AUDIO / VIDEO SIGNAL INPUT TERMINAL
EN ; NORTHERN EUROPE
5 SURROUND IC / DIGITAL SIGNAL INPUT TERMINAL
EV ; EASTERN EUROPE
6 USER CONTROL KEYS / SYSTEMCONTROL LSI / FL DISPLAY
US ; SINGAPORE
UT ; TAIWAN
UP ; KOREA
A ; AUSTLARIA
2-2
!
LVA10472-3
LVA10472-2
POWER
TRANSFORMER
T201
PW311
114 014
*
! F206
112
T5AL
CN251 QGA3901F2-05
110
S1
5
*
S2
F207
4 !
111
COM
3
S2 T5AL
2
113
S1
1
121
*
F202
!
120
T2AL
122
*
F203
!
130
T2AL
010
PW302
UNF.M.F. (1/4W) 131
R201
! TH.FUSE
FW201 2.2
FW201
!
! D201 D202
PG4003-F21 1A3G-T1
C208
C202 C203
0.0047/100
0.01 0.01
(100V) (100V)
C201
0.1
(100V)
!
! D204
D203
! 1A3G-T1
PG4003-F21
!
D208 !
1A3G-T1
C204 C205
C209
2200/35 1000/35
470/25
R209 KTC3200/GL Q205
100k
!
R208
C218 10
1/50 D217
UNF.RES
MTZ8.2JC
68 R210
UNF
(1/4W)
5 2 1
!
CN101
LVA10464-6
1SS133
QGD2504C1-03Z
D218
FW251
UNF.O.M.F. (2W)
0.001
! *
HP_L R101 470
C101
6 4 3 1 3 J101
GND OMF
Q210 2 2
RY203 HP_R 3
3 1
OMF 2
QSK0109-001 * C102
KRC105M 470
R102
0.001 1
UNF.O.M.F. (2W)
LVA10472-4
PW101
PW102
*
* B170 !
F201
!
PW203 PW103
T2.5AL
* F205
!
MAINS
PW204 PW104 TA201
T100mAL
PLUG
PW205 PW105 TA202
T202
QQT0478-002
!
C210
EP1
!
GND
!
RY202
QSK0128-001
!
D210
Q202
1SS133
KRC105M
* Q203
R221
10 KTC3203/OY/
UNF.RES !
!
! R204 D212
D221
820 1A3G-T1
1SS133
(1/4W)
D211 C213
C212
470/16 MTZ6.8JC
2200/6.3
EP201
To FW303
(LVA10471-2)
1
+B2
Q206
2 FRONT_A
Q208
3 SURR
Q209 KRC105M
4 CENTER
KRC105M
KRC105M (SHEET 2)
CN203
QDG2504C1-04Z
SHEET 1