JVC HR-S6950EU Service Manual page 70

www.freeservicemanuals.info
4.14 TERMINAL (I/O) SCHEMATIC DIAGRAM
5
TO MAIN(MAIN TERMINAL)
4
CN904
CN914
SAT_CTL_OUT
R.PAUSE
GND
A.IN1[L]
A.IN1[R]
A.OUT[L]
A.OUT[R]
A.IN2[L]
A.IN2[R]
DEC.OUT[L]
DEC.OUT[R]
TO S-SUB
REAR2_Y_IN
REAR2_C_IN
REAR1_Y_IN
REAR1_C_IN
REAR_V_IN
C_OUT
3 Y_OUT
V_FROM_OSD
GND
SW12V
FRONT_Y_IN
FRONT_C_IN
TO S-JACK
CN7108
CN916
R929
75
GND
FRONT_C
GND
FRONT_Y
R930
75
TO MAIN(MAIN TERMINAL)
CN903
CN913
GND
I2C_DATA2
2 I2C_CLK2
SW12V
CH+12V
TU_VIDEO
3.58NTSC[H]/P.ON_P
LI_5V
SCR[H]
P50_I/O
: Used
# DIFFERENCE TABLE : Not used
R901-R908,
R909-R916,
R931-R947,
R951,R953
L901,L902
1
L908-L911,
L913-L916,
L917-L920,
IC901
B903,B904
D901,D902
J901,J902
WITHOUT
REAR S-OUT
EURO MODELS
WITH
REAR S-OUT
ARC MODELS
A
#
R916 1k
# L917 4.7µ
#
# 4.7µ
L918
B903
#
R909 OPEN
# #
75
C905 C906 # C938
# 2SB1218A/QR/ Q902
330p 330p 330p
2SA1576A/QR/
2PA1576/R/ # J902
PEMC1177
PEMC1019
PU59592
V.IN V.GND GND SCRAMBLE A.IN A.GND A.IN
[H] [L] [R]
RAPID SW
AV2/DECODER
A.OUT A.OUT
GND V.OUT V.GND R/C GND G GND B GND [L] [R]
# D901
# R966
MTZJ12C-T2
1K
OPEN # L919
4.7µ
#
L920
# 4.7µ
R910 #
#
# BT901 75 R911
QVZ0032-001 75
A.IN[L]
A.IN[R]
LINE_OUT[L]
LINE_OUT[R]
A.IN2[L]
A.IN2[R]
DEC_OUT[L]
DEC_OUT[R]
L907
SHORT
#
R934
100
#
# IC901
# # C924
# C925
R931 R932 BH7636S 0.01
0.022
100 510
#
#
C926 CLAMP
R933
OPEN
470
# 6dB 6dB
L908
OPEN
# Q909
2SB1218A/QR/
2SA1576A/QR/
2PA1576/R/
CURRENT
LIMITER
CLAMP CLAMP CLAMP
#
#
C916
R935 #
0.022
100 C918
#
# #
C917
0.022 C923 C945
0.022
47 10 /25
/16
# R936
# 100
L909
#
#
OPEN #
C921 C922 R938
33p
# C943
#
100 /16 #
C915
R937
#
0.01 #
L910 # 100
C920 1µ
L911
OPEN
OPEN
CH+ REAR S-OUT S-IN REAR IN/OUT SAT CTL R.PAUSE
C901-C904, J904 J903 J911-J914 J921 J922 C915
C905-C908, R919-R924 R925,R926 R927,R928 R964 R965
C916-C918, C913,C914 R961-R963
C920-C927, C941,C942 L921,L922
C933-C936, C950 C960-C963
C937-C940, Q903,Q904
C945,C946 L906
Q902
Q901,Q905
Q906-Q909,
Q911,Q912
0.01
0.01
OPEN
B C
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
# Q905
DTC144WU
# L913
# #
# R912 100 L914
R901 # J901
75 PEMC1177
# R913 100 # #
PEMC1019 C901 C902 #
PU59592
# 330p 330p
C937
330p
L902
#
1µ
V.IN V.GND GND P50 FUNC. A.IN A.GND A.IN
SW [L] [R]
RAPID SW
AV1 IN/OUT
A.OUT A.OUT
GND V.OUT V.GND R/C GND G GND B GND [L] [R]
#
D902
MTZJ12C-T2
# L915
# Q901
UN5211 #
DTC114EUA R903
RN1302 68
OPEN # L916
# PDTC114EU
R914 10µH #
R902
75
R915 10µH
# B904
OPEN
#
R940
10k
I2C-BUS
CONTROL
# R945 # R942
#
1k 4.7k
Q906
C951
# C927 47
47 /16
/16 R949
330
1/2W
# R951 R952
#
Q907 # R941 3.3k 5.6k
3.3k
# C931
#
Q908
Q910
# R953
#
5.6k
C946
# Q912 #
10 /25
DTC114TUA C929
# R939 100
#
R944
2.7k
100
# Q911 #
DTC144WUA L912
# R947 # R946 # R943
Ω
6.8k 560 0
SW12VDECUP CE/V-OUT DRIVER BACK UP
C943 C928 C948 C929 L912 C931 C949 R966
BT901
100/16 0.01 OPEN OPEN OPEN 10/25 OPEN
100/16 0.01 OPEN OPEN OPEN 10/25 OPEN
OPEN 0.01 47/16 5.6k SHORT 220/6.3 220/6.3
Digitized in Heiloo Netherland
D
4-27 4-28
0 6 TERMINAL(I/O)
4.7µ # R904 100
4.7µ # R905 100
#
C934 C933
330p 330p
# L901
0.22µ
#
R927
75
Ω # C963
# R962 0 # L922
OPEN
SHORT
#
C962
OPEN
Ω #
# R961 0
L921
# R906
10µH #
4.7µ SHORT R963
#
C960
4.7µ OPEN 0 Ω
# C961
#
R907 OPEN
10µH
# R928 75
R918 0Ω
L904
C912
C911 15µ
0.001
OPEN
R917 0Ω
L903
C910
C909 15µ
0.001
OPEN
#
R964
100
#
R965
100
# R925 # R926
75 75
# L906
SHORT
# #
R921 R922
390 390
1/2W 1/2W
# C914 # R923 75
0.01
# R924 75
# C949
# R919 # Q904
100
#
#
C941
# C913 C942
220 /6.3
0.01 47 /16
# #
C928 C948
# ONLY USED FOR
R920
100
HR-S7955MS/S7950EU/
S7955EK
#
Q903 #
C950
220 /6.3
2SB1218A/QR/
2SA1576A/QR/
2PA1576/R/
ALL NPN TYPE TRANSISTORS ARE 2SC4081/QRS/ or 2SD1819A/QRS/ or 2PC4081/R/.
ALL PNP TYPE TRANSISTORS ARE 2SA1576A/QR/ or 2SB1218A/QR/ or 2PA1576/R/.
E F
3/28/2017
OPEN
# J911
V.IN
# J912
A.IN[L]
# J913
A.IN[R]
# J914
V.OUT
J915
A.OUT[L]
J916
A.OUT[R]
# J921
SAT.CTL
PU60659
# J922
R.PAUSE
PU60659
ONLY USED FOR
HR-S7955MS/S7950EU/
S7955EK
OPEN
Y C
3 4
1 2
#
J903 S-IN
Y C
3 4
2
1
# J904
S-OUT
p20212001a_rev0
G H