Main (Tuner) Schematic Diagram - JVC SR-VS30U Service Manual

4.5

MAIN (TUNER) SCHEMATIC DIAGRAM

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