Main(Tuner) Schematic Diagram - JVC HR-S9850EU Service Manual

4.5

MAIN(TUNER) SCHEMATIC DIAGRAM

0 3 MAIN [TUNER]
#
TU6001 ANT IN ANT OUT
MATSUSHITA
PAL/MS NTSC
5
BB(AL5V) NC(GND)
AUDIO IN AUDIO IN
MOD SDA CH SW
MOD B(AL5V) MOD B(SW5V)
MOD SCL CONV.CTL(H)
VIDEO IN VIDEO IN
NC NC(GND)
RF AGC (RF AGC)
(BT) (BT)
AS
AS
SCL SCL
SDA SDA
NC NC(5V)
MB(SW5V) MB(SW5V)
4
LOCK(L)
LOCK(L)
TU(30V) TU(30V)
ANT IN
# TU6001
IF OUT IF OUT
ALPS/LG
IF IN PAL/MS
IF IN
BB(AL5V)
SW 1 NC AUDIO IN
SW 2 NC MOD SDA
AUDIO OUT AUDIO OUT MOD B(AL5V)
SIF OUT (SIF OUT) MOD SCL
AFT AFT VIDEO IN
VIDEO OUT VIDEO OUT TU(30V)
MB(SW5V) NC(OPEN)
RF AGC
NC
OPEN
AS
3
SCL
SDA
NC
MB(SW5V)
LOCK(L)
TU(30V)
TP
IF OUT
SW 1
SW 2
AUDIO OUT
SIF OUT
AFT
VIDEO OUT
2
TO
SYSCON
LOCK[L]
TU_DATA
TU_CLK
I2C_CLK2
I2C_DATA2
BS_ANT/AFC
TU_A_MUTE[H]
TU_V_MUTE[H]
BIL_SEL
LED/RF_AGC
JUST_CLK
SW_1
SW_2
1
A
# L6002
10µ
#
L6005
# L6004
10µ
# R6053
ANT OUT
1k
NTSC
# C6014 0.01
# C6054
AUDIO IN
#
R6051 100
# C6053
CH SW
# L6003 # C6013
SHORT
0.01
MOD B(SW5V)
# C6012
330 /16
CONV.CTL(H)
# R6052 100 #
C6052
VIDEO IN 100p
#
C6016
# L6050
SHORT
(RF AGC)
R6050 0
NC # C6055 22p
# C6022
AS
R6020
SCL
0
# C6020
R6021
SDA 0
# C6021
L6001
SHORT
NC
#
C6007
MB(SW5V)
# C6008
# R6023
LOCK(L)
TU(30V)
# C6006 # C6023
0.01 0
# C6005
TP
10 /50
IF OUT D6002 HZ30-2L
# C6027
# C6028
AUDIO OUT
# R6038 5.6k
SIF OUT
# C6024
0.056
AFT
VIDEO OUT
# R6060
10k
# R6061
10k
#
B6001
B C
# Q6551
2SC3243/DE
# R6551 #
270 R6552
100
#
C6554
0.01
# C6551
47 /16
# C6552 # D6551
0.01 MTZJ10B
# R6508
#
Q6501
DTC143T
#
B6511
#
#
R6509 C6519
#
B6510
# Q6502
DTC143T
# #
R6511 C6520
# R6510
# R6080
10k
#
R6030
R6031 L6032
# R6034
0 SHORT
#
1M B6030
# C6033
0.001
# Q6031
DTC144E #
# Q6030
2SB1218A/QR
CF6031
B6034 2SA1576A/QR
5.07MHz
2PA1576/R
OPEN
# C6037 # R6032
10 /6.3
#
B6032
#
Q6032
#
R6033 DTC144E
1.8k
D E
4-11 4-12
Note : The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts , refer to the Parts List.
# DIFFERENCE TABLE
"/02,/58" "EK,EU"
ALPS ALPS
TUNER UNIT
QAU0209 QAU0208
RF CONVERTER
GND
BB (RF 5V) "L6002,C6014"
RF5V
AUDIO IN C6054
SW5V TO SW. REG
SW12V MOD SDA/CH SW R6051
BT2
R6053
AL5V TO SYSCON
# B6035
C6053
MOD B L6003
L6004
C6012
C6013
#
B6566
MOD SCL/CONV.CTL R6052
C6052
L6050
VIDEO IN R6050
TO VIDEO/AUDIO
DEMOD[L]
C6055
GND
TU (30V) C6016
DEMOD[R]
TU_AUDIO
FRONT END
RF_AUDIO
RF AGC R6080
AS C6022
SCL R6020 1k 1k
TO DEMOD
#
CN6701
L6501 C6020
# CN6701 SDA R6021 1k 1k
PAL/MS
/ARC/KR US JPN C6021
NC NC JUST MB (SW5V) L6001 10µ 10µ
#
R6553 _CLK
470
I2C_DATA
C6007
# B6552 I2C I2C
LED/RF_AGC LED
_DATA _DATA
# R6554
470 I2C_CLK C6008
# B6554
BIL_SEL I2C I2C BIL
_CLK _CLK _SEL LOCK R6023
TU_A TU
TU TU (30V) C6005
_MUTE _MUTE _MUTE
C6006
DEMOD DEMOD DEMOD
_[R] _[R] _[R]
IF
DEMOD DEMOD DEMOD
_[L] _[L] _[L] SW1 R6060
SW5V SW9V SW9V C6027
# C6553 # C6555
330 /6.3
SW2 R6061
GND GND GND
C6028
COMP COMP COMP
AUDIO OUT R6038
SIF C6037
B6034
OPEN
R6032 3.3k 3.3k
R6033 1.5k 1.5k
C6032
AFT C6024
B6001
VIDEO OUT Q6030
R6030 1k 1k
B6030
AUDIO MUTE Q6032
VIDEO MUTE Q6031
R6034
C6033 0Ω 0Ω
B6032
B6033
TO CONNECTION
TU_VIDEO DEMOD REG "R6551,R6552,"
RF_VIDEO "D6551,Q6551"
GND
"C6551,C6552,"
C6554
B6566
C6553
C6555
L6501 SHORT SHORT
DEMOD OUT "R6508,R6510" 0Ω 0Ω
"R6509,R6511"
"C6519,C6520"
"Q6501,Q6502"
"B6510,B6511"
DEMOD OPTION R6553
B6552
R6554
B6554
DEMOD UNIT CN6701 LPA10094 LPA10094
TO CONNECTION -04*
SW_1
OPTION B6035
F
: Used
: Not used
"MS,/39" "/55,/75" "/50,/77" /61 JAPAN
LG MATSUSHITA ALPS MATSUSHITA MATSUSHITA
QAU0210 QAU0236 QAU0207 QAU0238 QAU0224
1k 1k 1k 1k 1k
1k 1k 1k 1k 1k
10µ 10µ SHORT SHORT SHORT
18k 0Ω 12k 0Ω
18k
1k 1k 3.3k 3.3k 3.3k
0Ω 0Ω
3.3µ SHORT 3.3µ
0Ω 0Ω 0Ω 0Ω 0Ω
0Ω 0Ω
0Ω 0Ω
LPA10094 LPA10094 PB11076A LPA10094 PB11087A
-04* -05* -07* -* -06* -*
p10364001a_rev1
G H