Receiver Pwb Circuit Diagram - JVC LT-32C31BJE Service Manual

RECEIVER PWB CIRCUIT DIAGRAM (1/2) SHEET 3
QNN0595-001
HK
R306
J401
22k
GND
QNN0595-001 HK
R307
J401
22k
GND
QND0102-001
J301
GND
QND0102-001
J301
R301
75
GND
QND0102-001 QND0102-001
J301 J301
QNN0370-001
R303
J302
75
GND
QNN0370-001
R304
J302
220k
GND
QNN0370-001
R305
J302
220k
GND
MA3039/H/-X
R271
D201 75
R272
D202
75
MA3056/M/-X
R274
D203 75
MA3056/M/-X
CE42681-001Y
C221
.0047
HK HK
HK
C226 HK
K201
1500p C224
C225 HK
J201 1500p CE42681-001Y
QNZ0463-001
MA3056/M/-X
AV_GND
D101
MA3056/M/-X
D102
MA3056/M/-X
D103
MA3056/M/-X
D104
CE42681-001Y
HK
C196 HK K101 HK
1500p C194
C195 HK
K102
J101 1500p
CE42681-001Y
QNZ0463-001
NOTES) 1. Please refer to page 2-63 for voltages of this circuit diagram.
2. Please refer to page 2-64 for waveformes of this circuit diagram.
R308 R310
390 470 C309
2.2 /16 NCB11CK-225X
C312
C307 Q313 UN2110- X
D308 Q311 R312 1K
.0047 OPEN QETN1EM-476Z
UN2226- X
R313 R314
C310 1 /16
39k
GND GND NCB21CK-105X
OPEN
R309 GND
GND GND
390
GND
R311 C311 2.2 /16 NCB11CK-225X
D309 470
C308
D310
OPEN Q312
.0047 MA111- X
UN2226- X
GND
GND
D301
MA8100/M/-X
GND
D302
MA8100/M/-X
GND
D303
R302
MA8100/M/-X
75
GND
GND
D305
MA8100/M/-X
GND
C305
NCB31HK-152X
GND
C306
NCB31HK-152X
GND
C115 470 /16
R273
D206 QETN1CM-477Z
75
MA3039/H/-X
Q232
*1
SW Q231
*1
R232
SC_G2
10K R231
SW
10K
D204 D205 MA3056/M/-X
MA3056/M/-X SC_B2
R275
D207 75
HK
C222 .0047
C223 .0047 MA3056/M/-X
.0047
R115
C105
75
470 /16 VTV_OUT
QETN1CM-477Z
SC_YS1
SC_R1
R116 R119
D105
75 75
MA3056/M/-X
SC_G1
R117
75
SC_B1
R118
75
HK C191 .0047
HK
C192
.0047
C193 .0047
.0047
GND
CN00A D CN00A E
QGA1501C2-08V QGA1501C2-07V
VIDEO PWB (1/2)
SHEET 5
No.YA015
L_SWMAI N
R316
D311
56k
47 /25 MA111- X
Q314
2SA1530A/QR/-X
R315
33k
R341 C343
R_SWMAIN
2.2K 1 /50
QETN1HM-105Z
S3
L4
R343
33K
R342 C344
2.2K 1 /50
QETN1HM-105Z
C3
R4
R132 R131 R344
180 100 33K
R1/2 OMF1
Y3
C131
100 /16
QETN1CM-107Z
R133
75
R134 R191
100
1k
Q131
C132
2SA933AS/QR/-T R135
10 /50
390
D131
V3
MA3120/M/-X
QETN1HM-106Z
R136
LTV
82k R190
1k
R137 C133
390 10 /50
RTV
L3
MUTING QETN1HM-106Z
R138
Q137 N
82k
DTC323TK- X Q138
2SA1037AK/QR/-X R192
5.6k
MUTING
R3
R139
100k
C150 10 /50 C186
AV_GND
QETN1HM-106Z OPEN
R151 100
V3 C151
1 /50 R152 100
L3
R103 2.2k R104 33k QETN1HM-105Z C251 R255 OPEN R153 100
10 /50
QETN1HM-105Z
Y3 R101 2.2k R154 100
C152 1 /50
R3 R102 33k QETN1HM-106Z
R155 100
HK
C3 C153 .01
V3
S3
L3
Y3
C187 OPEN R3
C3
R145 100
V2
S2-3
C146 10 /50
R146 100
QETN1HM-106Z S-3
V2
R258
L2
0 R147 100
L2 R113 2.2k C147 1 /50 Y2
QETN1HM-105Z
R2
R148 100
C2
C148 1 /50
R2 R111 R114
QETN1HM-105Z S2-2
33k R149 100
SC_R2/C 2 2.2k
S-2
R112 HK C149
R150 V1
33k .01 100
L1
R259
Y1
R260 OPEN
R1
0
QETN1HM-106Z C1
R141 100
V1
TV_LINK C141
10 /50 R142 100
L1
R234 C142
R242
C143 .01
33k 1 /50
V2 2.2k
R241 QETN1HM-105Z HK
V2_OUT
2.2k R143 100
R1
R235 C144 R144
C188
SC_YS2 C145 .01 100
33k 1 /50
OPEN
QETN1HM-105Z
SC_R2/C 2
HK
R261
SCL1 OPEN
SDA2
R215
33k
Q211
SLOW 2 R212 R213
*1
47K 82K
SLOW 2 sw
R218
L2 10K
R211
Q212
22K
R216 *1
L2OUT
SW
47K
R2 HK
C125 R217 R214
R2OUT
.001 27K 15K
R237 R236
10K 10K
V1
Q234
*3
R225
Q233
*3 33k
R222 R223
47K 82K
SLOW 1
R228
Q221
10K
R224 *1
SW
15K
R221
22K
SLOW 1
Q222
R226 R227 *1
47K
27K SW
HK
C214
.001
L1
LTV
R1
RTV
RECEIVER PWB ASS'Y(1/2)
SMK0J602A-U2
2-9 2-10
M_MU
R194 R193
100 100
C185
47 /50
QETN1HM-476Z
Q101 M_C
2SC2412K/QR/-X S_CV/ Y
S_C
M_CV/Y
R188
R187
2.2k R4
100
L_SWMAIN
R_SWMAIN L4
C184 LTV_I N
.01
HK
C179
RTV_IN
.01
QENC1EM-106Z
HK M_CV/Y
C177
10 /25
M_C
N C178 S_C
10 /50
QETN1HM-106Z
SC_YS2
R_SWSU B
CIN1 L_SWSUB
TV1 EXT4
BIAS
MAIN
YIN1 Q102
R185
EXT3 MUTE 2SC2412K/QR/-X
100
COUT 2 VIDEO VTV1_I N
TRAP 2 BUFFE R
SUB ROUT 2 S_CV/ Y
R186
IC101 V/YOUT 2 LTV_I N
2.2K
CXA2069Q LOUT 2
RTV_I N
VCC
VIDEO / AUDIO C172 HK C173 C174
EXT2 VOUT 3
.01
SW 100 /16
ROUT 3 470 /16
QETN1CM-107Z
D.OUT YOUT 3 QETN1CM-477Z
Q106
LOUT 3 VIDEO
2SC1740S/QR/-T
BUFFE R
COUT 3
R184
DCOUT
75
R182
AGND
100
V2_OUT
EXT1 SDA
EXT5 TV2
R183
SCL
150
R1/2
D164 M_MU
MA3120/M/-X
L_SWSU B
GND
R_SWSU B
C197 R176 SDA2
.01
HK 220
SCL1
GND R175
220
C170 C171
10 /50 10 /50
QETN1HM-106Z QETN1HM-106Z
R177 R179
390 390
2SA1037AK/QR/-X
MUTIN G
R178
82k M_MU
Q103
Q105
DTC323TK- X R181
MUTING 100k
R180 Q104
82k DTC323TK-X
MUTING
SDA2
TV_LINK
SDA1
SCL1
C190
100 /16
9V
QETN1CM-107Z
GND
GND
CXA1875AM- X
IC401
R403
0
R404
OPEN
GND
No.YA015
L_SWMAIN
SHEET 4
R_SWMAIN
CN000N
QGA1501C2-07V
VIDEO PWB (2/2)
SHEET 6
GND
CN000J
QGA1501C2-06V
MI-COM & DIST PWB (2/11)
SHEET 8
GND
CN00A L
QGA1501C2-09V
MSP PWB
SHEET 2
GND
M_MU
L_SWSU B
R_SWSU B
SHEET 4
9V
CN000K
QGA1501C2-07V
MI-COM & DIST PWB (1/11)
SHEET 7
GND
CN000G
QGA1501C2-10V
POWER PWB (2/2)
SHEET 19
GND
STB5V
HP_DET
HP_DET
5V
R401
220
SCL1
R402 220
SDA1
SHEET 4
C401
47 /16
QETN1CM-476Z
GND
HP_VO L
HP_VO L