JVC RX-5050B, RX-5052S Schematics
SCHEMATIC DIAGRAMS
AUDIO CONTROL RECEIVER
RX-5050B, RX-5052S
CD-ROM No.SML200502
Area suffix
J ------------------------------ U.S.A
C --------------------------- Canada
TA/NEWS/INFO
DISPLAY MODE
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
2-1
2-2 to 7
2-8 to 11
COPYRIGHT 2005 Victor Company of Japan, Limited.
No.MB345SCH
2005/2
In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
Block diagram
MONITOR
DVD
CD
TAPE_PLAY
TAPE_REC
TV_SOUND
VCR_PLAY
VCR_REC
Audio/Video signal input
terminal section (Video)
J501
IC501
J502
SELECTOR
R
VIDEO1
VIDEO2
P
CN501
Audio/Video signal input terminal section
(Audio)
CD_L/R
J402
TAPEIN_L/R
TAPEOUT_L/R
IC402
SW_DATA
SW_STB
SW_CLK
TUNER_L/R
DVD_L/R
SOURCE
TV_L/R
J403
VCRIN_L/R
VCROUT_L/R
SELECTOR
IC403
SW_OUT
DVD
SIG_L/R
Audio/Video
signal input
terminal
section (DVD)
J406
SW_OUT
J404
DVD_L/R
CN421
CN401
CN481
FM
AM
CN451
IN_L/R
DSP_L/R,DSP_SL/SR
DSP_C,DSP_LFE
CN482
Tune r
CN431
DVD_L/R
SW_OUT
CN441
VIDEO1
VIDEO2
SW_DATA
SW_STB
SW_CLK
Volume / Regulator / Source select IC section
CN411
TUNER_L/R
TU_DATAIN
TU_DATAOUT
TU_CLK
TU_CE
Q1427
Q1428
S_MUTE
TU_MUTE
Q1429
IC422
IC427
IC428
6CH
MASTER
VOLUME
L,R,SL,SR
C,LFE
VOL_CLK
VOL_DA
IC423
SELECTOR
DSP_CLK,DSP_STATUS,DSP_READY
DSP_RESET,DSP_COMMAND
CN402
Q1420
Q1413
Q1414
Q1417
Q1418
Q1419
+12V,-12V,5.6V
+7V,-7V,A+5V,D+5V
Q1401 to Q1405
Q1407,Q1408
Q1434,Q1435
REG
CN491
CN492
Primary section
(Relay)
FR/FL
CENTER
SURR L/R
+B2,-B2,5.6V
CN471 CN472 CN473
CN292
Audio amp section
FL
FR
POWER
CN272 CN273CN171
CENTER
SURR L
SURR R
C/SL/SRch
POWER
+VH,+VL
D1101-D1108
Primary section
Q206
Q208
Q209
CN291
+B2,-B2
5.6V
IC101
L/Rch
AMP
IC102
AMP
-VH,-VL
CN151
RY_S
RY_C
RY_LR1
Audio amp section
(Speaker terminal)
FW301
FW301
L/R
C
SL
SR
CN241 CN203
HP_L/R
RY_HP
B+5V
Q203
FW302
FW302
FW303FW141
FRONT_A
CENTER
SURR
RY203
FRONT_A
CENTER
SURR
FW251
RY302
RY303
RY304
Primary
section
(Headphone
jack)
CN101
ST301
Lch
Rch
Cch
SLch
SRch
J101
DIGITAL IN1
DIGITAL IN2
Surround IC / Digital signal
input terminal section
A1+/-,B1+/A2+/-,B2+/-
J681
RX0
A3+/-,B3+/-
IC667
UN682
RX1
CODEC
with
S/PDIF
LIN+/RIN+/-
CDIN,CDOUT
CCLK,INT
D_RST,D_CS
D/A0 to D/A3
DATA,MCK,XTAL
S_BCK,S_LRCK
C_BCK,C_LRCK
IC611,IC612,IC613
IC615,IC621,IC622
IC632,IC633,IC634
FILTER
IC601,IC602
DSP_IN_L/R
FILTER
DSP_RST
SS,HREQ
IC661
MOSI,MISO
GPIO1 to GPIO4
DSP
CN683
DSP.L
DSP.R
DSP.LS
DSP.RS
DSP.C
DSP.SW
CN681
IC671
DSP, CODEC
CONTROLLER
User control keys /
System control LSI /
FL display section
SEG1 to 16
D1701
GRID1 to 16
FL DISPLAY
S721 to S726
S728 to S732
S734,S735,S737
S740 to S743
S745,S746,S756
S750 to S752
S727
CN714
D719
Power switch
section
KEY_IN1
KEY_IN2
KEY_IN3
KEY_IN4
KEY_IN5
CN704
KEY_IN2
CN702
SYSTEM
CONTROL
Q711
IC701
STB_LED
RY_LR1, RY_C
RY_S,RY_HP
POWER
JOG1
JOG2
JOG_1
JOG_2
JS701
JS702
RM_IN
IC703
REMOTE
CONTROL
RECEIVER
CN701
D201-D204
CN201
F1, F2
FW201
FW201
CN251
Primary section
(Power
transformer 1)
POWER
Q202
T201
POWER
TRANS.
D206-D209
T202
TRANS.
RY202
Primary section
(Power
transformer 2)
Main
plug
Primary section
(Power/Fuse)
2-1
Standard schematic diagrams
Primary section
J/C
To CN491
(LVA10464-1)
(SHEET 3)
To CN701
(LVA10464-2)
(SHEET 6)
LVA10472-8
QGB2510K1-04
CN492
1
2
-24.9V
3
4
QGB2510K1-04
To FW141
(LVA10471-1)
(SHEET 2)
23V
0V
5.7V
CN292
LVA10472-1
CN201
0V
1
0V
2
4.4V
3
0V
4
0V
5
5.1V
6
4.8V
7
0V
8
-24.9V
9
-29V
10
-24.9V
11
0V
12
5.0V
13
5.1V
14
1
1
2
3
3
4
CN241
QGD2504C1-05Z
0V
1
2
0V
3
5.1V
4
-29.0V
5
QGF1205C1-14
RY_HP
RY_LR1
RY_C
RY_S
PROTECTOR_IN
POWER
RY_SURROUND
F1
-VPP
F2
D.GND
B+5V
5.6V
2
4
HP_R
GND
HP_L
FL-B
CN291
QGB2510J1-04
+B2
A.GND
-B2
5.6V
PROTECTOR_IN
!
LVA10472-3
LVA10472-2
*
F206
!
QGA3901F2-05CN251
S1
5
S2
4
COM
3
S2
2
S1
1
To CN151
(LVA10471-1)
2A-125V
S4S4S3S3COM
(SHEET 2)
12345
-15.0V
-15.0V
AC20.3V0VAC20.3V
D219
D220
1A3G-T1
1A3G-T1
R209
-24.9V
100k
C218
D217
1/50
MTZ8.2JC
68 R210
23.5V
UNF
(1/4W)
!
1SS133
RY_HP
Q210
0V
KRC105M
23.4V
0V
125
D218
!
64 3
RY203
23.4V
QSK0109-001
Q205
KTC3200/GL
C207
0.047
C206
-29.8V
!
R208
10
-29.0V
UNF.RES
UNF
FW251
HP_L
1
GND
2
HP_R
3
5A-125V
*
!
F207
5A-125V
*
!
F202
2A-125V
*
F203
!
UNF.M.F.(1/4W)
R201
!
FW201
2.2
12345
FW201
PG4003-F21
C202
0.1
(100V)
!
D203
0.047
PG4003-F21
CN101
QGD2504C1-03Z
(2W)
UNF.O.M.F.
470
R101
3
OMF
2
1
OMF
470
R102
UNF.O.M.F.
POWER
TRANSFORMER
T201
114
014
112
110
111
113
121
120
122
130
010
131
TH.FUSE
!
!
D201
D202
1A3G-T1
C203
0.1
(100V)
C201
0.1
(100V)
!
D204
1A3G-T1
C204
C205
2200/35
1000/35
LVA10464-6
*
330P
C101
(2W)
J101
3
*
2
C102
1
330P
PW311
PW302
C208
11
0.0047/100
1A3G-T1
D206
!
D208!
!
1A3G-T1
C209
470/25
1
1
QQT0478-001
T202
!
!
D209
1A3G-T1
0V
KRC105M
*
B170
*
F205
D207
1A3G-T1
R221
*
10
!
UNF.RES
(1/4W)
RY_C
0V
0V
0V
Q208
Q209
KRC105M
24.1V
RY_S
D210
1SS133
24.2V
C210
41
R204
!
820
(1/4W)
UNF
C212
470/16
!
23
KTC3203/OY/
PW203
PW204
PW205
!
0.0047
!
RY202
QSK0128-001
0V
Q203
6.4V
MTZ6.8JC
D221
1SS133
6.9V
D211
POWER
4.5V
0V
LVA10472-4
*
TA201
TA202
23V
0V
0V
0V
0V
!
EP201
To FW303
(LVA10471-2)
1
+B2
2
FRONT_A
SURR
3
CENTER
4
B/E/EN/EV
MAINS
PLUG
(LVA10464-1)
(SHEET 2)
To CN491
To CN701
(LVA10464-2)
LVA10472-8
QGB2510K1-04
CN492
1
2
3
4
To FW141
(LVA10471-1)
PW101
PW102
!
F201
PW103
6.3A-125V
PW104
PW105
R1
!
3.3M
EP1
GND
0V
Q202
KRC105M
4.8V
5.8V
D212
1A3G-T1
5.1V
C213
2200/6.3
RY_LR1
0V
Q206
KRC105M
QGD2504C1-04Z
CN203
QGB2510K1-04
CN201
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
3
CN292
QGD2504C1-05Z
1
2
3
4
5
LVA10472-1
QGF1205C1-14
RY_HP
RY_LR1
RY_C
RY_S
PROTECTOR_IN
POWER
RY_SURROUND
F1
-VPP
F2
D.GND
B+5V
5.6V
QGB2510J1-04
CN291
+B2
1
A.GND
2
2
-B2
3
5.6V
4
4
CN241
HP_R
GND
HP_L
PROTECTOR_IN
FL-B
D219
D220
1A3G-T1
UNF
RY_HP
KRC105M
1A3G-T1
1SS133
68 R210
(1/4W)
D218
Q210
LVA10472-2
5
4
3
2
1
To CN151
(LVA10471-1)
R209
100k
C218
1/50
*
64 3
QGA3901F2-05CN251
S1
S2
COM
S2
S1
KTC3200/GL Q205
D217
MTZ8.2JC
470P
C221
125
RY203
QSK0109-001
12345
0.047
C206
R208
10
UNF.RES
UNF
FW251
HP_L
GND
HP_R
F206
!
T5AL
F207
!
T5AL
*
F202
!
T2AL
*
F203
!
T2AL
UNF.M.F.(1/4W)
R201
S3S3S2S2COM
!
2.2
FW201
12345
FW201
C202
0.01
(100V)
D203
0.047
C207
PG4003-F21
CN101
QGD2504C1-03Z
UNF.O.M.F.
470
R101
1
3
2
3
OMF
2
1
OMF
470
R102
UNF.O.M.F.
*
*
!
PG4003-F21
(2W)
!
LVA10472-3
POWER
TRANSFORMER
T201
114
014
112
110
111
113
121
120
122
130
010
131
TH.FUSE
!
D202
D201
1A3G-T1
C203
0.01
(100V)
C201
0.1
(100V)
*
0.001
C101
!
C205
1000/35
LVA10464-6
3
2
C102
*
1
0.001
1A3G-T1
D204
J101
!
C204
2200/35
(2W)
PW311
PW302
C208
11
0.0047/100
D206
1A3G-T1
!
!
D208
1A3G-T1
*
B170
F205
*
T100mAL
1
T202
QQT0478-002
!
1
!
D207
1A3G-T1
*
!
R221
D209
10
1A3G-T1
UNF.RES
!
C209
470/25
RY_C
Q209
KRC105M
KRC105M
RY_S
D210
1SS133
Q208
!
C210
23
41
Q203
KTC3203/OY/
!
R204
820
(1/4W)
UNF
C212
470/16
PW203
PW204
PW205
0.0047
!
RY202
QSK0128-001
1SS133
MTZ6.8JC
D221
D211
POWER
KRC105M
LVA10472-4
PW101
PW102
*
!
F201
PW103
PW104
PW105
GND
Q202
KRC105M
D212
1A3G-T1
C213
2200/6.3
RY_LR1
Q206
QDG2504C1-04Z
!
T2.5AL
TA201
MAINS
PLUG
TA202
EP1
EP201
To FW303
(LVA10471-2)
1
+B2
2
FRONT_A
3
SURR
4
CENTER
CN203
J/C B/E/EN/EV/UP/A US/UT
QMF51U1-6R3-J8
F201
F202,F203
QMF51U1-2R0-J8
F204
F205
B170
QMF51U1-5R0-J8 QMF51W2-5R0-J8 QMF51W2-5R0-J8
F206,F207
VS201
R1,EP1
R211,R212
D222,D223
Q211
R221
R203
T202
C209 470/63470/63
R201 2.7 4.7 5.65.6
C101
C102
C221 NONE NONE NONEUSE
QMF51W2-2R5-J8
(2.5A-250V)
(6.3A-125V)
QMF51W2-2R0-J8
(2A-125V)
470/25
330P
330P
(5A-125V)
(2A-250V) (2A-250V)
NONE NONE
QMF51E2-R10-J1
NONE
(100mA-250V)
(5A-250V)
NONE
J/C B/E/EN/EV US/UT
USE
NONE
USE
NONE
NONE USE
NONE
NONE
USE
NONE USE USE
QQT0433-001QQT0434-001
470/25
0.001
0.001
QQT0281-004
QMF51W2-5R0-J8
(5A-250V)
QMF51W2-2R0-J8
QMF51W2-2R5-J8
(2.5A-250V)
QMF51E2-R10-J1
(100mA-250V)
NONENONEUSE
(5A-250V)
UP/A
NONE
NONE
USE
NONE
NONE
NONE
QQT0281-004
330P
330P
330P
330P
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
VERSION CODES
U.S.A.
J
;
CANADA
C
;
U.K.
B
;
CONTINENTAL EUROPE
E
;
NORTHERN EUROPE
EN
;
EV
;
EASTERN EUROPE
SINGAPORE
US
;
TAIWAN
UT
;
UP ; KOREA
A
; AUSTLARIA
SHEET CIRCUIT DISCRIPTION
(J/C/B/E/EN/EV)
PRIMARY
1
2
AUDIO AMP
3
VOLUME / REGULATOR / SOURCE SELECT IC
AUDIO / VIDEO SIGNAL INPUT TERMINAL
4
5
SURROUND IC / DIGITAL SIGNAL INPUT TERMINAL
6
USER CONTROL KEYS / SYSTEMCONTROL LSI / FL DISPLAY
SHEET 1
2-2
Audio amp section
LVA10471-1
L/Rch POWER AMP
IC101
STK412-430
(SHEET 3)
To CN471
(LVA10464-1)
321
CN171
QJP001-032101
!
PW601 PW602
FL
FR
A.GND
C/SL/SRch POWER AMP
IC102
STK413-430
!
(SHEET 3) (SHEET 3)
To CN472
(LVA10464-1)
QJP002-021601
To CN473
(LVA10464-1)
2
1
CN272
321
CN273
A.GND
QJP001-031001
A.GND
CENTER
SURR R
SURR L
To CN251
(LVA10472-1)
(SHEET 1)
GND
5
4
3
2
1
EP101
CN151
S1
S2
COM
S2
S1
QJK012-051903
+VH
+VL
-COMPARATOR
+COMPARATOR
-VL
-VH
SUB GND
Q1232
KTC3200/GL
Q1231
SRch +OUT
0V
0V0V0V
-27.4V
-56.9V
0.22
100
(1/4W)
!
R1226
R1233
UNF
!
D1222
MTZJ15C
R1232
47k
R1231
47k
+VH
+VL
+COMPARATOR
-COMPARATOR
-VL
-VH
SUB GND
Rch +OUT
Lch -OUT
Lch +OUT
-PRE
+PRE
Rch IN
Rch NF
BIAS
Lch NF
Rch -OUT
0V
0V0V0V
0V
R1131
Q1131
47k
KTC3200/GL
Q1132
R1132
47k
KTC3200/GL
D1103
C1116
D1101
0.1/160
UF304G-F82
57.1V
27.5V
0V
-27.4V
-56.9V
!
C1117
D1102
0.1/160
UF304G-F82
!
D1105
C1119
UF304G-F82
UF304G-F82
0.1/160
!
!
C1115
0.1/160
D1104
!
UF304G-F82
C1118
0.1/160
C1120
D1106
0.1/160
UF304G-F82
!
D1107
!
D1108
!
UF304G-F82
UF304G-F82
18k
R1129
D1129
1SS119
+VH
+VL
C1113
C1111
4700/63
6800/71
C1114
C1112
4700/63
6800/71
-VH
-VL
57.1V
13.0V
27.5V
-12.7V
-27.4V
1kR1127
1kR1128
18k
R1130
D1121
D1130
MTZJ15C
1SS119
-56.9V
!
2.2
2.2
(1/4W)
(1/4W)
!
R1136
R1137
UNF
UNF
1.5kR1124
1.5k
(1W)
(1W)
!
OMF
OMF
R1123
!
(5W)
0.22
!
100R1133
FMR
(1/4W)
!
R1126
UNF
D1122
MTZJ15C
-25V
R1191
FR
R1192
0V
57.1V
-56.4V
C1124
(5W)
100p
!
0.22
R1125
FMR
100kR1107
C1107
3.3p
R1108
100k
3.3p
C1108
2.2
2.2
(1/4W)
(1/4W)
!
!
C1106
R1135
UNF
R1134
UNF
470
C1121
(1/4W)
R1121
!
UNF
C1122
100/100
(1/4W)
470
R1122
!
UNF
!
*
68
Q1175
(1/4W)
KTA1046/Y/
UNF
!
5.6k
(1/4W)
UNF
!
D1141
C1191
MTZJ36C
47/50
Lch IN
181716151413121110987654321
0V
0V
0V
-55.5V
33kR1109
!
(1/4W)
750
R1106
UNF
220/10
100/100
R1101
C1123
100p
C1103
4.7/50
!
(1/4W)
750
R1105
UNF
C1105
220/10
R1102
1k
1k
C1101
C1102
470p
470p
N
N
C1104
4.7/50
R1104
R1103
100k
100k
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
57.1V
27.5V
13.0V
-12.7V
2.2
2.2R1236
(1/4W)
(1/4W)
!
R1237
UNF
UNF
!
D1221
MTZJ15C
1.5k
(1W)
1.5kR1223
(1W)
OMF
OMF
R1224
!
!
1SS119
D1230
1SS119
D1229
18k
18k
R1230
R1228
R1229
1k
R1227
1k
KTC3200/GL
-PRE
+PRE
SRch -OUT
SLch +OUT
SLch -OUT
0V
-56.4V
(5W)
(5W)
0.22
R1225
!
FMR
FMR
100kR1207
C1207
3.3p
R1208
100k
C1208
3.3p
2.2R1235
(1/4W)
!
UNF
R1221
C1222
470
(1/4W)
R1222
UNF
!
BIAS
SRch IN
SRch NF
SLch NF
SLch IN
Cch IN
Cch NF
Cch +OUT
Cch -OUT
0V
0V
57.1V
2.2
(1/4W)
R1234
UNF
470
(1/4W)
!
UNF
100/100
0V0V0V0V0V
-55.4V
C1223
C1224
100p
100p
750
33k
(1/4W)
!
UNF
R1205
R1209
C1205
(1/4W)
100/10
750
R1206
UNF
!
!
C1206
100/10
C1221
100/100
82kR1172
100kR1171
0V
C1265
(5W)
100p
0.22
R1265
FMR
!
62kR1264
C1264
3.3p
!
300
UNF
R1263
(1/4W)
C1263
100/10
R1210
100
C1268
0.022
C1185
10/100
Q1185
KTA1268/GL
100k
100kR1173
100kR1175
R1174
R1266
10KR1185
KTA1268/GL
R1268
47k
1k
Q1261
KTC3200/GL
18k
R1267
D1261
1SS119
R1141
33
UNF
(1/4W)
UNF
R1178
100K
10k
-57.5V
R1176
R1186
100k
-55.5V
Q1172
0V
0V
R1177
100k
UNF
UNF
UNF
0.45uL1141
33R1142
KTC3199/GL
R1201
1k
1k
R1261
C1201
C1261
C1262
4.7/50
33R1269
(1/4W)
0.45uL1269
33R1241
(1/4W)
0.45uL1241
0.45uL1242
33R1242
(1/4W)
(1/4W)
0.45uL1142
C1171
10/25
Q1173
0V
C1172
47/16
C1202
470p
470p
470p
N
N
C1203
4.7/50
R1204
R1262
R1203
100k
62k
100k
FW302
QUM216-25Z4Z4
1
1
2
2
3
3
4
4
5
5
6
6
FW301
QUM215-25Z4Z4
1
1
2
2
3
3
4
4
5
5
-58.0V
Q1171
KTC3200/GL
R1179
10k
4.9V
D1171
1SS119
0V
LVA10471-2
R1202
1k
N
C1204
4.7/50
220p
C1378
L1351
*
QQLZ005-R45
*
B1005
L1352
10R1270
(2W)(2W) (2W)(2W)
0.047
C1266
!
OMF
0.047
0V
C
0V
GND
0V
SL
0V
GND
0V
SR
0V
GND
L
0V
GND
0V
R
0V
GND
0V
C1267
0.047
C1244
10R1244
!
OMF
0.047
C1242
10R1243
C1243
0.047
!
OMF
C1241
0.047
10
0.047
C1141
!
R1143
OMF
0.047
C1143
10
(2W)
0.047
C1144
!
0.047
C1142
OMF
R1144
*
QQLZ005-R45
B1006
*
RY302
RY304
RY303
QSK0109-001
QSK0109-001
QSK0109-001
2.3V
68R1352
1SS119D1352
UNF
0V
68R1354
(1/4W)
D1354
UNF
1SS119
68R1353
(1/4W)
D1353
UNF
1SS119
*
220p
220p
220p
C1360
C1359
C1377
*
*
*
3.9
UNF
*
R1370
*
0.047
!
*
L1354
QQLZ005-R45
B1008
*
!
*
B1007
*
L1355
QQLZ005-R45
L1353
*
QQLZ005-R45
B1009
*
!
C1361
*
0.047
C1362
3.9
UNF
(1/4W)
*
R1371
3.9
*
*
R1373
UNF
(1/4W)
C1371
220p
C1373
*
C1369
*
0.047
*
C1372
0.047
C1370
*
220p
C1374
UNF
*
*
R1374
*
3.9
C1376
(1/4W)
220p
3.9
*
R1372
(1/4W)
UNF
220p
C1366
*
*
0.047
C1365
*
C1368
220p
ST301
QNB0188-001
(1/4W)
220p
Lch
C1363
*
220p
C1364
Rch
*
220p
220p
*
C1375
220p
*
C1367
220p
SPEAKER
TERMINAL
Cch SLchSRch
* MARK LIST
B1005
B1006
B1007
B1008
B1009
L1351
L1352
L1353
L1354
L1355
R1370,R1371
C1361,C1362
C1363,C1364
C1359,C1377
C1360,C1378
R1373,R1374
C1369,C1370
C1373,C1374
C1372,C1375
C1371,C1376
R1372
C1365
C1366
C1367
C1368
USE
USE
USE
USE
USE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
NONE
0V
24.5V
24.5V
HP_R
PROTECTOR_IN
FL-B
FW141
GND
QUM215-16DGZ4
A/UT/US
B/E/EN/EV
J/C
NONE
NONE
NONE
NONE
NONE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
NONE
USE
/UP
NONE
NONE
NONE
NONE
NONE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
USE
NONE
USE
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
HP_L
12345
To CN241
(LVA10472-1)
(SHEET 1) (SHEET 1)
24.5V
+B2
FRONT_A
4
To CN203
(LVA10472-1)
FW303
SURR
CENTER
QUM214-26DGZ4
123
SHEET 2
2-3
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