Block Diagram - Kenwood KC-Z1 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
(X05-442X)
AM ANT
W02-2512-05
Q1
GND
FM FRONT-END CF1 IF AMP
CF2
FM ANT
IC2
Q2,3
(AUDIO)
L.P.F
PHONO
Q11,102,104
Ω
2.5mV/47k
BAND SELECTOR
OTHER
Ω (X09)
200mV/47k
IC29 TC9162AF
REC OUT
Ω
200mV/1.0K
IC24
PHONO
EQ AMP
CD
MD
TAPE1
IC31
VIDEO1
ANALOG
TC9163AF
PLAY
Lch
VIDEO2
CABLE/
IC32
SATTELITE
TC9164AF
TV INPUT
IC27
LEVEL
(1/2)
0dB
LD
-2dB
IC26 -4dB
TAPE2
(1/2) -6dB
IC27
(2/2)
TC9164AF IC30
TAPE2
IC25 IC26
TAPE1 (2/2)
ANALOG
REC T E
MD
L 1 3 9 4 2 2 9 6 5 1 3
Lch
VIDEO1
VIDEO2
(DIGITAL)
IN/OUT
(X08)
Ω IC66,67,69
0.5Vp-p/75
TC74HCU04
CD
MD
DIGITAL
COAX
DIGITAL
PLAY CABLE/
SATELLITE
LD
CD
MD
DIGITAL
DIGITAL
OPT
CABLE/ IC68
PLAY
SATELLITE
LD
IC76
DIGITAL
MD
SRAM
COAX REC
DIGITAL
MD
OPT REC RF
IC75
(LD-RF IN)
Q11,12,15,16,IC71
Ω
0.5Vp-p/75
LDP
LD
AC-3
IC1 TC4051BP
RF IN
RF DEMOD
PD4606A
(X14)
CD
(COMP-VIDEO)
IN/OUT
VIDEO1
46.0MHz 18.432MHz
Ω
1Vp-p/75
VIDEO2
(S-VIDEO)
COMP IN/OUT
VIDEO CABLE/
1Vp-p/75 Ω
PLAY SATELLITE
IN
TV
VIDEO1
LD
S-VIDEO
IC3,4 NJM2279 x2
(X14) PLAY
VIDEO2
IN
COMP VIDEO1
w w w
VIDEO
REC
LD
VIDEO2
OUT
MONITOR OUT
VIDEO1
S-VIDEO
REC
OUT
VIDEO2
MONITOR OUT
(X08)
STEREO
Q,R
C.R.FILTER
DET
SD
S LEVEL
IC1
AM SECTION
FM SECTION
MPX
PLL CONT. u-COM
(PLL)
X1
(7.2MHz)
IC43,44
DRAM
DRAM
TUNER OUTPUT
Q109,
T.MUTE
FM:600mV/3.3k Ω
110
Ω
AM:180mV/3.3k
IC41
DSP
24,576MHz
LC83015
(THX,DSP LOGIC)
OSC
PEAK LEVEL REF LEVEL
LED CONT. LED CONT.
DIGITAL
IC63
IC47
IC42
IC78
DSP
ADC ZORAN
DSP
AK5340 ZR38500
LC83015
(PRO LOGIC AC-3)
(THX,DSP LOGIC)
IC45,46
36MHz
IC48,49
DRAM
TC74HC157
SRAM
DRAM
SRAM
Rch
4.19MHz
KC/KR
DIGITAL INPUT
/REC SEL
(x08)
IC77
(X14)
DIR
LC8904Q
KEY
MATRIX
REMOTE
CONTROL
ANT
5V Q4
(SUB
RX ENABLE
PANEL)
(FRONT) RECEIVE
925MHz
ANALOG-PLAY
BPF LNA+MIXER
VIDEO 3
RF
PASSIVE
COMP-VIDEO LNA
VIDEO 3
S-VIDEO
IC2
IC9
VIDEO 3 1/2
TRANSMIT
IC7
TX AMP
ATT
IC8
DIGITAL
IC2
TC4052BP TX ENABLE
Q3
5V
Q36,39~41
J2~4
DRIVER
REPEATER
OUT 1~3
STSTEM
(X14)
IC5,6,7 x a o
. i
J13
NJM2279 x3

BLOCK DIAGRAM

IC17
DIGITAL
IC27 IC21,22 IC1,2
IC30
IC7
DAC
21k LPF
PCM1702U
DF DRIVE
SM5841 KANO2
DAC
21k LPF
PCM1702U
DIGITAL
IC23,24 IC3,4
IC28 IC31
DAC
21k LPF
PCM1702U
DF DRIVE
IC13(2/2)
SM5841 KANO2
DAC
21k LPF
PCM1702U
+25dB
DIGITAL
IC25,26
IC5,6
IC29
DAC
21k LPF
PCM1702U
DF
SM5841
DAC
21k LPF
PCM1702U
DIGITAL
IC32,33
PLL
TLC2932
TC9246
384fs
Q Q
3 7
IC50
u-COM
SUB
uPD78056GC
(X00)
4.19MHz
IC31
u-COM
(MAIN)
IC8,9 S13
LED ROTARY
CONT. ENCODER
TO ANALOG
RF I/O UNIT
(X05-457X)
TO TUNER
IF
LIMITTER
DATA
AMP
IF BPF DET SHAPER
RX
5V 5V 5V DATA
IC6
IC4
IC4 IC5 LOCK SIGNAL
TO DIGITAL
PLL
OSC
SYNTHESIZER
Q1
5V IC1
5V
PLL DATA
POWER
D2
TO u-COM
SUPPLY
TX DATA
8V
X1
5V
D1
RF
IC3
POWER
IC34
ENABLE
u-COM
(IR)
TO BAT.CHARGER
u 1 6 3
y
TO BAT.CHARGER
IC33
TO RF UNIT
BATTERY
CHARGER
BATTERY
DCC5555A/22 TO FRONT PANEL
2 4
8 9
(X09)
IC10(1/2)
+3dB
IC10(2/2)
+3dB
TC9162AF
IC8
80Hz HPF
IC9
80Hz HPF
IC33
IC1(1/2)
IC12
+3dB
80Hz LPF
-12dB
-4.5dB
ATT
LC4966
IC11
IC12
IC1(2/2)
80Hz HPF
+3dB
IC14
IC35
80Hz HPF
IC7(1/2)
+3dB
IC13(1/2)
-12dB
ATT
LC4966
IC18
IC7(2/2)
TC9163AF
+3dB
-4.5dB
IC34
IC4(1/2)
IC15
IC16(1/2)
+3dB
80Hz HPF
-12dB
ATT
IC16(2/2)
LC4966
80Hz HPF
IC4(2/2)
+3dB
Q56(TONE)
RELAY
DRIVER
6 3 1 5 1 5 0 8
Q53 (CENTER)
Q55(SL,SR)
Q1
RELAY
VIDEO INPUT/REC SEL
DRIVER
IC12
K1
D2
TO TUNER +12V AVR Q3
+17V AVR
+
GND
+
Q4
-17V AVR
K2
-12V AVR
IC13
IC8 D13
+8V AVR
+ D12
GND
+
IC9
-8V
AVR
IC3
+5.6V AVR
D1
IC1
AVR
+5V
+
TO VIDEO GND
+
IC2
-5V
AVR
D14
Q15
m
+10.5V CVCC
+
c o
GND
+5V AVR
+
IC10
. GND
IC11
+8V AVR
GND
Q17
+9V AVR
GND
2
9 8 9 9
PRE OPUT
200mV/1.0k
PRE OUT 2
IC12
IC23(1/2) K6
Q15
+1dB
+10dB
VOL
TC9212F
+1dB
Q16
IC23(2/2)
K1
IC3 IC14
IC19(1/2)
K2
Q3
+1dB
+10dB
TONE
TC9274F
VOL -009
TC9212F
+1dB
Q4
IC19(2/2)
IC9 IC18
K5
IC21(2/2)
Q11
+1dB
+10dB
TONE
TC9274F
K4
VOL -009
TC9212F
+3.5dB
Q12
IC21(1/2)
IC6 IC16
IC22(1/2)
K3
Q7
+1dB
+10dB
TONE
TC9274F
-009
VOL
TC9212F
+1dB
Q8
IC22(2/2)
Q52(PREOUT2)
RELAY
DRIVER
Q56(FL,FR) DB-25
RELAY
9 2 4 9 8 2 9 9
DRIVER
RELAY
DRIVER
Q54(SUB W)
RELAY
DRIVER
RELAY
DRIVER
(X14)
Q12
RELAY
MAIN POWER
DRIVER
SW
T1 S14
K1
AC
OUTLET
KC-Z1
Ω
Lt
Rt
PRE OUT1
L
R
C
SW
(LFE)
SL
SR
L
C
R
SW (LFE)
SL
SR
NC
NC
NC
NC
NC
NC
TRIG CONT
L GND
C GND
R GND
SW GND
SL GND
SR GND
NC
NC
NC
NC
NC
NC