Main(Tuner) Schematic Diagram - JVC HR-J691U Service Manual

4.5 MAIN (TUNER) SCHEMATIC DIAGRAM
5
0 3 TUNER[MAIN]
TU6001
MATSUSHITA
ANT IN ANT OUT
NTSC
NC(GND)
AUDIO IN
CH SW
MOD B(SW5V)
CONV.CTL(H)
VIDEO IN
NC(GND)
4
(RF AGC)
(BT)
AS
SCL
SDA
NC(5V)
MB(SW5V)
LOCK(L)
TU(30V)
IF OUT
IF IN
NC
NC
3
AUDIO OUT
(SIF OUT)
AFT
VIDEO OUT
NC(OPEN)
OPEN
2
TO
SYSCON
I2C_DATA
I2C_CLK
AFC
CONV_CTL[H]
CH_SW
TU_MUTE[H]
1
## MARKED SYMBOLS ARE NOT MOUNTED.
A
TU6001
ALPS/LG/SANYO
ANT IN ANT OUT
NTSC
R6054 1K
AUDIO IN
# # C6053
CH SW
# #
L6003 C6013
SHORT
0.01
MOD B(SW5V)
# # C6012
10 /16
CONV.CTL(H)
# #
C6052
VIDEO IN 100p
L6050
SHORT
R6050
(RF AGC)
0
NC
# #
C6022
AS
# # C6020
SCL
R6020 1k # # C6021
SDA
R6021 1k
L6001
# # C6007
SHORT 1200 /10
NC
MB(SW5V)
# # C6008
LOCK(L)
TU(30V)
# # C6006 0.01
TP # #
C6005
10 /50
IF OUT
D6002 HZ30-2L
AUDIO OUT
SIF OUT
AFT
VIDEO OUT
B C
TO SW REG.
SW5V
BT2
GND
SW12V
TO VIDEO/N.AUDIO
RF_AUDIO
R6503
15k
TO FMA/DEMOD
COMP
SIF
R6504
10K
# # C6531
R6030
0.01
3.3K
R6031
0
# # B6030
# # C6033 ##
0.001 R6034
1M
# # Q6031
DTC114E
# # Q6030
2SB1218A/QR
2SA1576A/QR
2PA1576/R
RF_VIDEO TO TERMINAL
TU_VIDEO
TO VIDEO/N.AUDIO
GND
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.
F
p10378001a_rev0
G H