JVC SR-HD1250US Service Manual page 31

TERMINAL SCHEMATIC DIAGRAM <06>
CN201
QGB1231M1-23
5
AUDIO_OUT_R 1
AGND 2
AUDIO_OUT_L 3
AGND 4
AUDIO_R_IN 5
AGND 6
AUDIO_L_IN 7
AGND 8
AUDIO_MUTE 9
AUDIO_PD_CTL 10
I2C_SCL 11
TO BE-DIGITAL
I2C_SDA 12
CN1501
AGND 13
SW-9V 14
SW+9V 15
AGND 16
A5V 17
A5V 18
4
SYS3.3V 19
AGND 20
RS232C_RX 21
AGND 22
RS232C_TX 23
CN203
QGF1208C1-05
GND 1
TO D-SUB/BNC RS232C_RX 2
RS232C_TX 3
CN401
SYS3.3V 4
GND 5
3
CN205
QGA2001C1-03
TO D-SUB/BNC GND 1
V_OUT 2
CN403
GND 3
CN204
QGA2001C1-02
TO D-SUB/BNC
V_IN 1
CN402
GND 2
2
CN202
QGB1231M1-23
V_IN 1
GND 2
S_DET2 3
Y_IN 4
GND 5
S_DET1 6
C_IN 7
GND 8
R2_S1_DET 9
R1_S1_DET 10
TO BE-DIGITAL GND 11
SD_C_OUT 12
CN1502
GND 13
SD_Y_OUT 14
SD_V_MUTE_L 15
GND 16
1
HD_Y_OUT 17
GND 18
HD_Pb_OUT 19
HD_Pr_OUT 20
GND 21
HD_V_MUTE_L 22
REMOTE_CTL 23
GND
A B
OPEN
TP-AP
QNZ0353-001
SW-9V
SW+9V
L301
4.7u
OPEN R315
TP-1 C308
TLSDM R320
100/6.3 10k
OPEN 0`
QNZ0353-001
C301
0.01
Q301
RT1N44HC-X C302
R311
0.1
OPEN
OPEN C318
TP-5
R317 22/6.3
100
R318
100
R314 OPEN
0` R313
OPEN
TP-12 C306
1
C303
0.1 R312
OPEN
TP-14
C304 OPEN
OPEN 1
TP-16
C305
1
R319
0`
10k
R316
OPEN
C322
Q302
TLHDM
1
RT1N44HC-X
GND
C
(No.YD125<Rev.001>) 2-6
SW-9V
Q1103
RT1P44HC-X
C1123
C1124
IC301
MM1757FH-X
OPEN
C in GND R310
MUTE1 S1/S2 out
C317
V in C out
0.1
R306
R309 C316
YC MIX V SAG
0`
OPEN
OPEN C315
Y in V out
1000
/6.3
D/Single VEE2
R305
R308 C314
BIAS Y SAG
0`
OPEN
OPEN
C313
SCL Y out
1000
C307
SDA VCC2 /6.3
1
VEE VEE
C312
Adrs Line1 out
R307 1000/6.3
VCC1 CY out 0`
R304
C311
CY in CY SAG
OPEN
OPEN
Clamp/Bias VEE2
470
CB in Line2 out
C310
/10
SD/HD CB out
CR in VEE2
MUTE2 Line3 out
C309
VEE1 CR out
470
TP-G2
OPEN /10
D E
2-6 (No.YD125<Rev.001>)
C1111
22/16 R1127 R1133
470
100
Q1101
2SC2412K/QRS/-X
C1113 C1115
R1131
1000p OPEN
10k
Q1102
C1114 C1116
R1132 1000p OPEN
R1130
10k
470
100
C1112 2SC2412K/QRS/-X
R1134
22/16
C1117
R1137
22/16 R1143
470 100
Q1104
C1119 C1121
R1141
1000p
OPEN
10k
2SC2412K/QRS/-X
Q1105
C1120 C1122
1000p OPEN
R1142
10k
R1140 100
C1118 2SC2412K/QRS/-X
R1144
470
22/16
R1145
10/16 R326 100
4.7k C1125 C1128
OPEN OPEN
C1126
C1129
OPEN
R325 OPEN
10/16 4.7k 100
R1146
OPEN
TP-YO
R302
_0.5%
75
OPEN
TP-CO
OPEN R301 75 _0.5%
QNZ0353-001
OPEN
TP-YI
TP-SI
R303
1.2k
R205 0`
OPEN
R202
TP-CI
75
OPEN
R203
OPEN
TP-G1
C201
R324 OPEN 0.01
OPEN
0` C202 R204
GND
R321
75 _0.5%
R322
75 _0.5%
R323
75 _0.5%
TPRCU
OPEN
C1127
0.01
F G
J1101
QNN0854-001
7
AOUT1_L
8
3
AOUT1_R
1111
5
AOUT2_L
4
1
AOUT2_R
2222
6
AIN1_L
3333
2
AIN1_R
4444
11 8888
10 9
REAR S OUT
8 7
J302
QND0159-001
6 5
REAR1 S IN
4 3
R201
75
2 1
OPEN
TP-G3
J303
QNZ0154-001
5
CY Out
C319
6
OPEN
3
CB Out
C320
4
OPEN
1
CR Out
C321
2
OPEN
QNS0258-001 J304
1
R1147
100
3
2
wired REMOCON_IN
GND