JVC KT-DB1000, Service Manual

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A B C D E F G
1
2
3
4
5
2-1
KT-DB1000
UCOM. UCOM.
MN102H60KCB MN102H60KCB
(P3.3V) (P3.3V)
3.3V/5V IF 3.3V/5V IF
TC7WT241x2 TC7WT241x2
(P5V) (P5V)
DAC DAC
AK4382 AK4382
(A5V) (A5V)
EEPROM EEPROM
BR93LC66F BR93LC66F
(P3.3V) (P3.3V)
BUFFER AMP BUFFER AMP
NJM4580 NJM4580
(9V) (9V)
MUTE MUTE
PTC PTC
NAD0031-001 NAD0031-001
POWER OUT
ANTENNA
MCK
BCK
LRCK
DA
(I 2S)
L-CH
R-CH
MPUTX MPURX MPUCK MPUEN MPUMOD DDOWFIC
Audio Audio
Switch Switch
NJM2750 NJM2750
(9V) (9V)
CD CHANGER
L-CH
R-CH
PLL SCL
PLL SDA
(I 2C)
DAB RESET
JBUSINT
JBUSI/O
JBUSDAO
JBUSDAI
JBUSCK
DI DO CK CS
JBUSCK
JBUSDA
JBUS AUDIO OUT
DACRESET DACCCCLK DACCDTO DACCSN
RESET RESET
PST9121 PST9121
(P3.3V) (P3.3V)
RESET
MUTE
AUDIOSEL
SW.REG SW.REG
SI8050 SI8050
SER.REG SER.REG
7805A 7805A
SER.REG SER.REG
BA033 BA033
SER.REG SER.REG
TA48033 TA48033
CMOS REG CMOS REG
S-81250 S-81250
BATT
A3.3V
D3.3V
A5V
D5V
P3.3V
P5V
24.576MHz
36.864MHz
19.6608MHz
SER.REG SER.REG
NJM2370 NJM2370 9V
ADC ADC
FIR FIR
FFT FFT
AFC AFC
AGC AGC
DEINTE- DEINTE-
RLEAVER RLEAVER
VITERBI VITERBI
MP2 MP2
DECODER DECODER
3M DRAM 3M DRAM
MPU IF MPU IF
DAB BASEBAND DAB BASEBAND
MN66720UC MN66720UC
(D3.3V/A3.3V) (D3.3V/A3.3V)
PLL PLL
L
B3
IF
2.048MHz
SAW
DAB TUNER DAB TUNER
QAU0284-001 QAU0284-001
(A5V/A3.3V) (A5V/A3.3V)
TU1 TU1
IC1 IC1
TH1 TH1
IC501 IC501 IC901 IC901
IC911 IC911
Q121 Q121
Q221
Q221
IC771/IC772 IC771/IC772
IC701 IC701
IC702 IC702
IC851 IC851
IC805 IC805
IC806 IC806
IC801 IC801
IC802 IC802 IC803 IC803 IC804 IC804
X701 X701
X1 X1
DZFL
DZFR
TR.SW TR.SW
Q891 Q891
Serial Communication Signal
Analog Signal
Other Control Signal
Block diagram
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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