Main (Tuner) Schematic Diagram - JVC HR-S6850EU Service Manual

4.6

MAIN (TUNER) SCHEMATIC DIAGRAM

0 3 MAIN(TUNER)
5
ANT IN ANT OUT
#
TU6001
MATSUSHITA
BB(AL5V)
AUDIO IN
MOD SDA
MOD B(AL5V)
MOD SCL
VIDEO IN
NC
RF AGC
(BT)
AS
SCL
SDA
NC
4
MB(SW5V)
LOCK
TU(30V)
# TU6001
IF OUT
IF IN
SW 1
SW 2
AUDIO OUT
SIF OUT
AFT
VIDEO OUT
MB(SW5V)
OPEN
3
2
TO
SYSCON
LOCK[L]
TU_I2C_DATA
TU_I2C_CLK
I2C_CLK2
I2C_DATA2
AFC
TU_A_MUTE[H]
TU_V_MUTE[H]
SW1
SW2
RF_AGC
1
A B
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.
ANT IN ANT OUT
ALPS
# C6013 0.01
BB(AL5V)
# C6056 22p
AUDIO IN
# R6051
MOD SDA
# L6003 #
C6053 100p
MOD B(AL5V)
# C6012
# R6052
MOD SCL
# C6052 100p
# C6055 22p
VIDEO IN
# C6016
TU(30V)
# K6080
RF AGC
R6050
NC
100
AS
R6020 1k
SCL
# C6020
R6021 1k
SDA
# C6021
# L6001
NC
#
C6007
MB(SW5V)
# C6008
LOCK
C6023 0
TU(30V)
#
C6006 0.01
TP #
C6005
10 /50
IF OUT
D6002 HZ30-2L
# C6027 220p
R6031
SW 1
270
#
C6028 220p
SW 2
AUDIO OUT
SIF OUT
AFT
VIDEO OUT
# R6032
C6037
10 /50
# R6033
C D
TO
SW.REG
GND
RF5V
SW5V
SW12V
BT2
TO
VIDEO/AUDIO
DEMOD[L]
GND
DEMOD[R]
TU_AUDIO
RF_AUDIO
TO DEMOD
CN6701
# CN6701
PAL /MS
NC
I2C_DATA
I2C_CLK
TU_A_MUTE
DEMOD_[R]
#
B6510
DEMOD_[L]
# B6511
OPEN
OPEN # C6502
SW5V
# C6501
GND
COMP
SIF
R6030
1k
# Q6031
DTC144E
Q6030
2SB1218A/RS
#
Q6032 TO VIDEO/AUDIO
DTC144E TU_VIDEO
RF_VIDEO TO ON SCREEN
GND
TO VIDEO/AUDIO,
ON SCREEN
E
4-13 4-14
: Used
# DIFFERENCE TABLE
: Not used
FRANCE ASIA ASIA
EU/EK HR-FS1EU
MS 3SYSTEM 4SYSTEM
ALPS LG MATSUSHITA MATSUSHITA ALPS
TUNER TU6001
QAU0208 QAU0210 QAU0212 QAU0236 QAU0208
ATS+ K6080 1kΩ 1kΩ 10kΩ
L6001 10µ 10µ 10µ 10µ 10µ
SW5V C6007 220/6.3 220/6.3 220/6.3 220/6.3 220/6.3
C6008 0.01 0.01 0.01 0.01
L6003 47µ 47µ 47µ 47µ 10µ
RF5V C6012 100/16 100/16 100/16 100/16 330/6.3
C6013 0.01 0.01 0.01 0.01 0.01
RF
C6016 0.01 0.01 0.01 2200p
CONV.
BT2 C6005
TUNER
C6006
R6051 100 100 100 470
C6053
RF
I2C
CONV. R6052 100 100 100 470
C6052
AUDIO
C6056
IN
R6050
VIDEO
IN
C6055
C6020
TUNER I2C
C6021
C6027
SYSTEM SW
C6028
R6032 4.7k 18k 18k 0 3.3k
R6033 1.8k 18k 33k 1.5k
AUDIO OUT
C6032
Q6032
VIDEO OUT Q6031
C6501
DEMOD
PASS CON
C6502 0.01 0.01 0.01 0.01 2200p
F G
p10355001a_rev0
H