Main (Tuner/Demod) Schematic Diagram - JVC HM-DH30000U Service Manual

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4.5

MAIN (TUNER/DEMOD) SCHEMATIC DIAGRAM

0 3 MAIN[TUNER/DEMOD]
#
TU6001 ANT IN ANT OUT
5
MATSUSHITA
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)
TU CE TU CE
PLL CLK PLL CLK
PLL DATA PLL DATA
NC NC(5V)
4
MB(SW5V) MB(SW5V)
LOCK(L)
LOCK(L)
TU(30V) TU(30V)
ANT IN
# TU6001
IF OUT IF OUT
ALPS
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 TU(30V)
MB(SW5V) NC(OPEN)
RF AGC
NC
OPEN
TU CE
3
PLL CLK
PLL DATA
NC
MB(SW5V)
LOCK(L)
TU(30V)
TP
IF OUT
SW 1
SW 2
AUDIO OUT
SIF OUT
AFT
VIDEO OUT
2
TO
SYSCON
TU_CE
TU_DATA
TU_CLK
I2C_CLK2
I2C_DATA2
BS_ANT/AFC
TU_A_MUTE[H]
TU_V_MUTE[H]
BIL_SEL/P50
LED/RF_AGC
JUSTCLK/LOCK[L]
SW2
SW1
GRON/MESECAM[H]
BSP_CTL/PALPB[H]
1
A
#
L6005
#
L6002
SHORT
#
R6654
2.7k
#
R6650
OUT1
470k CH
# R6025
10k
0
#
R6653
470k
0
#
R6652
39k
GND
#
#
C6650 C6651
0.047 0.01
ANT OUT
# C6608
0.01
NTSC
# C6014 0.01
# # #
C6518 C6517 C6516
10 /50 10 /50
AUDIO IN
#
C6605
CH SW 1 /50
#
MOD B(SW5V)
IC6501
CONV.CTL(H)
VIDEO IN
(RF AGC)
# R6024
NC # R6023
#
R6022
TU CE 0
# C6022
# R6020
PLL CLK 0
# C6020
# R6021
PLL DATA
0
# C6021
# #
L6001
C6502
0.1
NC
# C6007
MB(SW5V)
# C6008
# #
# B6609 C6501 C6601
22 /16 10 /50
LOCK(L)
# C6023
# B6501 # B6601
TU(30V)
#
C6006 0.01
# C6005
TP # B6611
10 /50
IF OUT D6002 HZ30-2L
# C6037 #
10 /6.3
# C6027 220p
#
B6034
#
C6028 220p
# R6038
5.6k
AUDIO OUT
SIF OUT
# C6024
0.056
AFT
VIDEO OUT
# R6060
10k # R6031 L6032
SHORT
# R6061
10k
OPEN
5.07MHz
# B6033
#
B6032
# B6001
B C
# Q6551
2SC1740S/QRS/
2SC3199/YG/
#
# R6551 R6552
# #
270 100
C6554 C6553
0.01
# #
C6552 D6551
# C6551
0.01
47 /16
MTZJ10B
#
R6660
2.2k
# IC6651
# R6508
# Q6501
UPD4013BG DTC143T
VCC
Q1 VCC #
# R6509 C6519
-
OUT2 Q1 Q2
-
CLK1 Q2
RESET1 CLK2
0
D1 RESET2 # Q6502
DTC143T
SET1 D2
0
GND SET2
#
# R6511 C6520
# IC6650
BA15218F
#
R6510
# B6614
# # R6553
# 470
# #
C6514 R6507 R6505 R6604
10 /16 33k 5.1k 10k # B6552
# R6554
470
# # B6554
# # #
#
# R6513
R6506 C6604 C6511
B6605 10k
C6515 33k 10 /50 1 /50
1 /50
# # # #
# #
C6513 C6512 R6504 C6510
R6515 R6514
1 /50
#
C6555
# B6563
# B6565
#
# # # #
C6603
C6503 R6502 R6503 C6509
10 /50
1 /50 # 330k 120k 0.1
C6505
#
R6603
# 4.7k
C6504
4.7 /10
# # # # #
C6506 C6508 R6602
#
C6602 0.1 /50 C6507 0.47 5.6k
220 /10 0.047 /50 VR6601
22k
B6504 #
L6031 # R6032
SHORT SEPARATION
#
Q6032
DTC144E
# R6033
# C6032
0.047
# R6034 # R6030
1M 1k
# B6608
# B6030
# C6033
# Q6031
DTC144E
#
Q6030
2SB1218A/QR
2SA1576A/QR
2PA1576/R
Published in Heiloo Holland
D
4-11 4-12
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.
TO
#IC6501
MAIN-TERMINAL
JPN CXA2020M
BT2 US uPC1854AGT
RF5V
SW5V
SW12V
GND
AL6V
MATRIX off-set
Absorption
GND IIL
Wideband Timing Spectral
SUBDEEM
off-set RMS Current RMS
TO
Adsorption
MAIN-TERMINAL
2.1k
AL5V
LPF FM
DEMOD
off-set
VCA
Absorption
Wideband Spectral
filter V.E.
filter
ST VCO
Filter
Mode BUFFER
SAP VCO
adjust BIAS
Selector
Filter CURRENT
400LPF
fH BIAS
trap VOLTAGE
ST/SAP VOLTAGE
LPF IBIAS REGULATOR
SW
Filter
L+R ST
De Em LPF PC LPF SAP
ST VCO
BPF
Phase Loop SAP
1/2/00
det filter VCO
Sub
det 1/2/00 off-set
Absorption
SAP
SAP VCO
det
1/4/00
SAP
LPF
ST
VCO
Pilot Phase Noise Noise
1/2 ATT
DET DET BPF det
GND
DEMOD[L] TO AUDIO I/O
TO VIDEO/AUDIO
GND
DEMOD[R]
TO AUDIO I/O
TU_AUDIO TO VIDEO/AUDIO
# DIFFERENCE TABLE : Not used
# CN6701 : Used
PAL/MS
JAPAN
TUNER DEMOD
SYMBOL US
NC DH30000 DH20000
MATSUSHITA MATSUSHITA ALPS DEMOD PWB ASSY
I2C
_DATA TU6001
TUNER QAU0198 QAU0198 QAU0163
I2C 9V REG
_CLK
R6025,B6035
TU
_MUTE ATS+ K6080
R6030,Q6030
DEMOD DEMOD REG
_[R] VIDEO BUFFER
PASS CON
B6030
DEMOD
_[L] Q6031
SW5V
R6031 1k 1k 0
SW12V
TU_V_MUTE R6034
GND
C6033 0.0047 0.0047
DEMOD OUT
COMP
B6032
SIF
Q6032
TU_A_MUTE MUTE
B6033
OPEN
TUNER MONO
R6032 0 0 12k
R6033 12k
R6038
AUDIO OUT
DEMOD
C6032
SELECTION
B6034
C6037
B6001
AFC
C6024
CENELEC C6027,C6028
C6005
TU(30V) C6006
L6005 SHORT SHORT SHORT
C6007 1000/6.3 1000/6.3
MB(SW5V) C6008
L6001 1 1 SHORT
DEMOD IC
APPLICATION
BB(AL5V) C6014,L6002
R6020 1k 1k 1k
PLL CLK R6023
C6020
R6021 1k 1k 1k
PLL DATA R6024
TO
VIDEO/AUDIO,
C6021
MAIN-TERMINAL
TU_VIDEO R6022 1k 1k
TU CE
GND
C6022 1M 1M
TO GR
CN1901 LOCK C6023
# CN1901
SYSTEM SW R6060,R6061
AL17V
B6608
BS_P.CTL
GR
AL6V
CN1901
TU AUDIO
SW12V
GND(C)
I2C_DATA
I2C_CLK
BIT_IN
ANT_CTL
BS_ANT
TU_VIDEO
GR_ON(H)
GR_VIDEO
OPEN
E F
29/11/2016
TEST OUTPUT AMP MAIN
& OUTPUT SW OUT
MAINDEEM
MAIN
L R
SUB
MATRIX
IIL LOGIC & CONT
SUB
3.5fH 952Hz
DET
CLOCK CLOCK
CUE
CARRIER
3.5fH
SUB
VCO
BPF
4.5fH CUE AM 952Hz LED
COMP
TRAP BPF DEMOD BPF DRIVE
MPXSIGNAL
SYMBOL JAPAN US
CN6701
R6551,R6552
Q6551,D6551
C6551,C6552
C6553
C6554
C6555
C6608
B6607
R6508 R6510 12k 3.9k
R6509,R6511 3.3k 1.2k
C6520 C6519 5600p
Q6501,Q6502
B6510
R6553,R6554
B6552,B6554
B6563
B6565
B6566
R6601
IC6501 CXA2020M uPC1854AGT
IC6650, IC6651
R6602-R6604
R6650-R6660
C6601-C6605,
C6650-C6652
B6601-B6606
B6611,B6613
VR6601,D6650
B6612
R6501-R6503,
R6505-R6507,
C6501-C6504,
C6506-C6508,
C6510,C6511,
C6514-C6517,
B6501-B6505
R6504 0.01 µ F 3k
R6513
R6514, R6515
C6505 10/50 10/50
C6509 2.2k 0.1 µ F
C6512,C6518 10/50 1/50
C6513 1/50 3.3/50
B6610
B6614
p10323001a_rev0
G H