Tuner Schematic Diagram - JVC SR-VS20E Service Manual

4.6

TUNER SCHEMATIC DIAGRAM

0 3 MAIN (TUNER)
#
TU6001 ANT IN ANT OUT
MATSUSHITA
PAL/MS NTSC
BB(AL5V) NC(GND)
AUDIO IN AUDIO IN
5
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)
TU CE TU CE
PLL CLK PLL CLK
PLL DATA PLL DATA
NC NC(5V)
MB(SW5V) MB(SW5V)
LOCK(L)
LOCK(L)
TU(30V) TU(30V)
4
# TU6001
IF OUT IF OUT
IF IN
IF IN
SW 1 NC
SW 2 NC
AUDIO OUT AUDIO OUT MOD B(AL5V)
SIF OUT (SIF OUT)
AFT AFT
VIDEO OUT VIDEO OUT
MB(SW5V) NC(OPEN)
OPEN
3
AUDIO OUT
VIDEO OUT
2
TO
SYSCON
LOCK [L]
TU_CE
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
SW1
SW2
TU_SYNC[H]
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.
# L6002
10
# L6005
10
# R6025
10k
ANT IN ANT OUT
ALPS
PAL/MS NTSC
# C6014 0.01
BB(AL5V)
AUDIO IN AUDIO IN
MOD SDA CH SW
MOD B(SW5V)
MOD SCL CONV.CTL(H)
VIDEO IN VIDEO IN
TU(30V)
RF AGC (RF AGC)
# R6024
# R6023
NC NC
# R6022
TU CE TU CE 0
# C6022
# R6020
PLL CLK PLL CLK 0
# C6020
#
R6021
PLL DATA PLL DATA
0 #
C6021
#
L6001
10
NC NC
# C6007
MB(SW5V) MB(SW5V)
# C6008
LOCK(L) LOCK(L)
# C6023
TU(30V) TU(30V)
# C6006 0.01
#
TP TP C6005
10 /50
IF OUT IF OUT D6002 HZ30-2L
# C6027
220p
SW 1
# C6028
220p
SW 2
AUDIO OUT
#
R6038
5.6k
SIF OUT SIF OUT
# C6024
0.056
AFT AFT
VIDEO OUT
# R6060
10k
#
R6061
10k
#
B6001
C
#
Q6551
2SC3243/DE
# R6551 #
270 R6552
100
#
C6554
0.01
# C6551
47 /16
#
B6607
# C6552 # D6551
0.01 MTZJ10B
# R6508
# Q6501
DTC143T
#
#
R6509 C6519
#
B6510
# Q6502
DTC143T
# #
R6511 C6520
# R6510
#
K6080
600
# R6034 # R6030
1M 1k
R6031 L6032
0 SHORT #
B6030
# C6033
CF6031
OPEN
# Q6031
5.07MHz DTC144E
# Q6030
# B6033
2SB1218A/QR
2SA1576A/QR
2PA1576/R
#
C6037 #
R6032
10 /16
# B6034
# B6032
# Q6032
DTC144E
#
R6033
#
C6032
0.047
#
# R6042 R6046
# R6044
2.7k 10k
8.2k #
R6045
470 # Q6042
# D6040
#
Q6041 DTC114EU
# DA204U
# # 2SA1576/RS C6043
R6040 R6041
0.022
470 180k
# C6040
0.1
# Q6040
2SC4081/RS
#
# C6041 # R6043
C6044
22k
2.2 /50
# #
C6042 T6040
470p PELN0806
p10306001a_rev0
D E
4-15 4-16
Used
# DIFFERENCE TABLE
Not Used
FRANCE
TUNER
SYMBOL EU/EK
MS
DVS2
ALPS ALPS MATSUSHITA
TU6001
TUNER QAU0151 QAU0152 QAU0198
TO
CONNECTION
R6025,B6035
GND
ATS+ K6080
RF5V
SW5V R6030,Q6030
VIDEO BUFFER
SW12V
B6030
BT2
Q6031
R6034
TU_V_MUTE
C6033 0 0 0.0047
TO
SYSCON
# B6035 B6032
AL5V
Q6032
TU_A_MUTE
B6033
R6032 3.9k 3.3k
#
B6566
R6033 1.8k 1.8k
R6038
AUDIO OUT
TO VIDEO/AUDIO, AUDIO I/O
C6032 0.047
DEMOD[L]
B6034
GND
DEMOD[R] C6037
B6001
TO VIDEO/AUDIO
AFC
TU_AUDIO C6024
CENELEC C6027,C6028
C6005
TO DEMOD
CN6701 TU(30V) C6006
# # CN6701
R6601
L6005 10 10 SHORT
PAL/MS
/ARC US JPN KOREA
C6007 330/10 330/10
NC NC JUST NC
# R6553 _CLK MB(SW5V) C6008
470
I2C_DATA
I2C I2C
# B6552 LED LED L6001 SHORT
LED/RF_AGC _DATA _DATA
# R6554
I2C_CLK
470
BB(AL5V) C6014,L6002
#
B6554 BIL_SEL I2C I2C BIL MODE
_CLK _CLK _SEL _SEL
R6020 470 470
TU TU TU
NC
_MUTE _MUTE _MUTE
PLL CLK R6023
DEMOD DEMOD DEMOD DEMOD
C6020
_[R] _[R] _[R] _[R]
PLL DATA R6021 470 470
DEMOD DEMOD DEMOD DEMOD
_[L] _[L] _[L] _[L]
R6024
SW5V SW9V SW9V SW12V
# C6553 # C6555 C6021
R6022 470 470
GND GND GND GND
# B6563 SIF TU CE
C6022
# B6565
COMP COMP COMP COMP SIF
LOCK C6023
SIF
SYSTEM SW R6060,R6061
OPEN
R6040~R6046,
C6040~C6044,
SYNC DET
Q6040~Q6042,
D6040,T6040
TO
CONNECTION
TU_VIDEO FRANCE
DEMOD SYMBOL EU/EK
GND MS
DVS2
DEMOD PWB ASSY CN6701 LPA10094* LPA10094* PB11087*
R6551,R6552,
Q6551,D6551
9V REG
C6551,C6552
C6553 33/16 33/16
DEMOD REG
C6554
PASS CON
C6555 0.01 0.01
SW12V B6607
R6508,R6510 0 0
DEMOD OUT R6509,R6511
C6519,C6520
MUTE Q6501,Q6502
TUNER MONO B6510
R6553,R6554 0 0
B6552,B6554
B6563
DEMOD
SELECTION
B6565
B6566
R6601
F
JAPAN US
PVS100 DVS2 PVS100
MATSUSHITA
QAU0198 QAU0216
0 0 12k
SHORT SHORT
SHORT SHORT
1k 1k 1k
1k 1k 1k
1k 1k
JAPAN US
PVS100 DVS2 PVS100
PB11087* PB11076* PB11076*
0 0 0
G H