Audio/Video Signal Input Control Section - JVC DR-M10SEF Service Manual

Audio/Video signal input control section

# C4318
0.1
GND VCC
# C4319
470p
C/R1 GND
#
# R4319 C4310
12k 470p
RE1 C/R2
# R4311
12k
A1 RE2
B1 A2
# D4301
1SS133
Q1 B2
# R4317 # R4318
Q1 Q2
22k 10k
GND Q2
# IC4304
74HC4538D
TO SHEET 12
443[H]
TO
SW5V
SHEET 10
GND
TO
I2C_DATA_A/V
I2C_CLK_A/V
SHEET 12
GND
SEPA_IN[H]
R4017
1k C4049
10p
Q4001
C4047
0.01
C4048
L4004 R4021
OPEN
L4003 33u 270
OPEN
C4050
82p
R4018
TO
2.7k R4019
YTODIGI
OPEN
SHEET 10 CTODIGI
C4055
0.1 Q4003
C4051
OPEN
R4026
1k
TO
SHEET 13
TU_VIDEO
TO
F_AUDIO[R]
SHEET 8 F_AUDIO[L]
GND
CN4001
R4036 75
TO CN7102
R4040 75
SHEET 14
R4041 75
R4011 0'
R4012 0'
L4002
10u
C4036 C4035
0.01 0.01
C4065
47
/6.3
C4037
0.01
R4027
5.6k
C4038
OPEN
R4029 C4056
C4039
2.2k 0.01
0.01
B4001
R4028
5.6k
C4040
0.01
C4041
0.01
C4043
0.1
C4045
2.2
/50
C4046
0.01
IC4001
JCP8038
R4001 R4003 R4004
0' 0' 0'
C4004 C4007 C4009
OPEN OPEN OPEN
D4002
DA204U
C4008
1
C4006
D4001 0.01
DA204U C4003
1
C4005
0.01
#
L4006
10u
##
R4046 C4071
R4049
3.3k 0.1
180
R4042
OPEN Q4006
2SC2412K/QRS/-X
2SC3928A/QRS/-X
R4048
0
B4002
SHORT ##
X4001 R4050
QAX0576 10k
QAX0579
Q4005 C4069
R4044
OPEN 820p
470
R4045
820
## Q4007 ## Q4008 ## Q4009
L4007 C4067 R4043 C4068 R4047
8.2u 150p OPEN 0.001 10k
R4010
3.3k
C4027
0.01
C4026
0.01
C4025
0.01
C4024
0.01
C4023
0.01
C4022
0.01
C4021
0.01
C4001
R4006 R4007 R4009
47 /6.3
0' 0' 0'
C4011 C4014 C4017
C4002
OPEN OPEN OPEN
0.1
C4012 C4013 C4016
0.01 1 0.01
C4018 C4019
1 1
C4010 C4015 C4020
0.01 0.01
L4301
10u
# IC4301
LA7357M
#
# C4306
R4306
0.01
1.2k
#
Q4301
#
#
R4307
R4304
10k
22k
# C4302 # C4307
47 /16 0.01
#
# # #
C4301 # C4304
Q4302 Q4303 R4320
0.01
0
0.01
# R4302 0
DET.ADJ
# #
R4303 # # # R4308 #
# L4302 C4303 R4305 C4305
22k
R4301
5.6k
560
OPEN 0.01
OPEN OPEN
L4202 SHORT
R4204
C4204
0
1
R4202
OPEN
L4201 R4201
R4205
10u 10k
0
C4203
1
IC4201
LC74793
C4201 C4202
220 /6.3
0.1
R4206
OPEN
R4209
X4201 10k
#
OPEN
R4208
R4207
R4210
0 0
2.7k
C4211
0.01
C4205 C4206
OPEN OPEN
C4208
C4207
4.7
0.056
# R4312
0'
# C4308
0.01
FSC_IN
# C4309
0.01
VCC
#
R4309
2.2k
#
R4310
8.2k
R4211
5.6k
C4210
220 /6.3
C4209
0.22
/50
SYNC_DET
I2C_CLK2
I2C_DATA2 TO
SECAM_DET[H]
SHEET 12
R4212
OPEN
SYNC_DET1
REAR1_C_IN
TO
REAR1_YV_IN
REAR2_C_IN
SHEET 11
REAR2_Y_IN
SHEET 9
(No.XA020SCH) 2-15