JVC SR-VS30E, Service Manual

Page: 77 / 136

4.5 MAIN (TUNER) SCHEMATIC DIAGRAM
4-11 4-12
H G F E D C B A
4
5
3
2
1
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. Note :
p10377001a_rev0
OPEN
OPEN
TU6001
TU6001
RF5V
BT2
SW12V
SW5V
GND
TU_DATA
TU_CLK
I2C_CLK2
I2C_DATA2
TU_V_MUTE[H]
C6028
R6020
RF_AGC/LED
BS_ANT/AFC
LOCK[L]
C6027
R6038
C6024
R6060
R6061
CN6701
L6501
Q6551
R6031
R6552
C6037
T6040
Q6032
R6553
B6552
TU_A_MUTE[H]
BIL_SEL/DEC[H]
B6511
R6554
JUST_CLK[H]
R6021
R6080
D6040
R6040 R6041
C6040
C6022
B6554
C6020
R6551
D6551 C6552
B6510
C6006
C6554
GND
Q6501
Q6502
Q6030
Q6031
R6034
R6030
C6033
B6030
C6041
R6032
C6519
C6551
SW_1
C6555
C6021
B6034
Q6040
R6044
L6005
R6033
C6520
TU_AUDIO
R6509
GND
TU_VIDEO
R6042
C6023
C6032
R6023
DEMOD[R]
R6043
Q6041
C6042
DEMOD[L]
R6511
SW_2
C6005
D6002
R6045
R6508
SW_1
C6043
R6510
C6044
Q6042
C6008
C6007
L6001
L6002
R6046
TU_SYNC[L]
C6553
B6033
B6032
CF6031
C6014
L6032
B6001
1k
OPEN
OPEN
10k
10k
0
100
10
470
470
1k
10k
470 180k
0.1
270
0.01
0.01
0.01
1M
0.001
47
8.2k
1.8k
2.7k
0
0.047
OPEN
22k
470p
10
470
0
0.022
0
2.2
10
µ
10k
330
OPEN
0.01
SHORT
2SC3243/DE
/6.3
PELN0806
DTC144E
DA204U
MTZJ10B
DTC143T
DTC143T
2SB1218A/QR
2SA1576A/QR
2PA1576/R
DTC144E
/16
2SC4081/RS
2SA1576/RS
/50
HZ30-2L
/50
DTC114EU
/6.3
#
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#
#
#
#
#
#
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#
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TO
SYSCON
TO
CONNECTION
ANT IN ANT OUT
TO AUDIO_IO
ANT IN ANT OUT
ALPS/LG
MATSUSHITA
NC
I2C
I2C
TU
NTSC
(RF AGC)
NC(GND)
AUDIO IN
CH SW
MOD B(SW5V)
CONV.CTL(H)
VIDEO IN
NC(GND)
(BT)
AS
SCL
SDA
NC(5V)
MB(SW5V)
LOCK(L)
TU(30V)
IF OUT
IF IN
NC
NC
AUDIO OUT
(SIF OUT)
AFT
NC(OPEN)
VIDEO OUT
PAL/MS NTSC
TU(30V)
NC
AUDIO IN
PAL/MS
MOD SDA
BB(AL5V)
MOD SCL
VIDEO IN
MOD B(AL5V)
RF AGC
(BT)
AS
SCL
SDA
NC
MB(SW5V)
LOCK(L)
TU(30V)
IF OUT
IF IN
SW 1
SW 2
AUDIO OUT
SIF OUT
AFT
PAL/MS
VIDEO OUT
/ARC/KR
MB(SW5V)
AUDIO IN AUDIO IN
MOD SDA CH SW
MOD B(SW5V)
BB(AL5V)
MOD SCL CONV.CTL(H)
VIDEO IN VIDEO IN
MOD B(AL5V)
RF AGC (RF AGC)
MB(SW5V)
NC
AS AS
SCL SCL
SDA SDA
NC NC
NC
MB(SW5V)
LOCK(L) LOCK(L)
TU(30V) TU(30V)
TP TP
IF OUT IF OUT
SW 1
SW 2
AUDIO OUT AUDIO OUT
SIF OUT SIF OUT
AFT AFT
DEMOD
DEMOD
VIDEO OUT VIDEO OUT
SW9V
GND
COMP
US JPN
JUST
LED
BIL
TU
DEMOD
DEMOD
SW9V
GND
COMP
I2C_DATA
LED/RF_AGC
I2C_CLK
BIL_SEL
TO
VIDEO/AUDIO
_DATA
_CLK
_MUTE
_[R]
_[L]
_CLK
_SEL
_MUTE
_[R]
_[L]
TO
VIDEO/AUDIO
0 3 TUNER[MAIN]
5.07MHz
NC
I2C
_DATA
I2C
_CLK
TU
_MUTE
DEMOD
_[R]
DEMOD
_[L]
SW5V
GND
COMP
SIF
NC
NC
NC
: Used
: Not used
# DIFFERENCE TABLE
TUNER UNIT
RF CONVERTER
BB (RF 5V)
L6005 10 µ 10 µ SHORT SHORT
L6002,C6014
SHORT
SYNC DET
ALPS
QAU0208
LG
QAU0210
R6040-R6046,
EU, EU/EA, EK MS US KOREA JAPAN
C6040-C6044,
Q6040-Q6042,
D6040,T6040
FRONT END
RF AGC
AS
SCL
SDA
MB (SW5V)
TU (30V)
IF
SW1
SW2
R6080
C6022
C6020
C6021
L6001
C6007
C6008
C6005
C6006
R6060
C6027
R6061
C6028
10 µ 10 µ SHORT SHORT SHORT
AUDIO OUT
AFT
VIDEO OUT
AUDIO MUTE
C6037
B6034
R6032
R6033
C6032
B6001
Q6030
R6030
B6030
Q6032
3.3k
1.5k
18k
18k
VIDEO MUTE Q6031
R6034
C6033
B6032
B6033
DEMOD REG R6551,R6552,
D6551,Q6551
C6551,C6552,
C6554
L6501
C6553
C6555
DEMOD OUT R6508,R6510
R6509,R6511
C6519,C6520
0
Ω
0
Ω
0
Ω
0
Ω
Q6501,Q6502
B6510,B6511
DEMOD OPTION R6553
B6552
R6554
B6554
DEMOD UNIT CN6701 LPA10094
-04*
LPA10094 LPA10094
-05* -06*
PB11087A PB11076A
ALPS MATSUSHITA MATSUSHITA
QAU0207 QAU0238 QAU0224
12k 0 Ω
3.3k 3.3k 3.3k 1k 1k
0
Ω
0
Ω
0
Ω
0
Ω
0
Ω
0
Ω
0
Ω
-* -*