Service manual

3. BLOCK DIAGRAM
5 6
FM
AM
FM FRONT
END
IF AMP
FM/AM IF & MPX
PLL
RDS DECODE FM DET.
7.2M
KEY MATRIX
TV
MONITOR OUT
VIDEO SELECTOR
OSD
MUTE CONTROL
OSD CONTROL
POWER
ROTARY ENCODER
INDIVIDUAL & MASTER
ELE.-VOL. X6CH
MULTI ROOM
VOL CONTROL
MUTE CONTROL
BASS TREBLE
CENTER
FRONT
SUB-WOOFER
RC-5 IN
RC-5 OUT
SUB WOOFER
FRONT
CENTER
SURROUND
-6DB ATT
2.88MHZ
BPF
SRAM
ADC
COAX
OPT
RF
LFE
FRONT
CENTER
SURROUND
MIX
SUB CPU I/F
+15V
-15V
+5V
+5V
+5V
+15V
+15V
-15V
30
(1)
29
(2)
27
(4)
25
(6)
(7)
22
(9)
21
(10)
24
26
(5)
(8)
(11)
20
23
5
(1)(3)
QS02
57
(1)(3)
QS13
PS04
CD
AUDIO
QS01
7
13
(5) (7)
INPUT SEL.
FUNCTION
CONTROL
ELE. VOL
AUX
TV
MULTI ROOM
OUT
V-AUDIO
22
21
(10)
(9)
QS51
QS52
QS53
7
5
5
5
7
7
20
(11)
QS91
5
7
28
(3)
MULTI MUTE
LPF
HPF
-5V
+5V
+15V
-15V
PL04
VIDEO
P104 TUNER
P604 DSP
PU04
FRONT
FUNCTION
CONTROL
TONE
TAPE
DVD
LC78211
OUT
IN
INPUT SEL./MULTI SEL.
DVD
DVD
TV
MONITOR
OSD
TV
DVD
COMPOSITE
COMPOSITE
DVD
IN
IN
CONTROL
LA1837
MULTI ROOM SELECTOR
ELECTRIC TONE CONTROL
TONE CONTROL
TC9215P
SML
COPY SWITCH
DVD
COPY SWITCH
TV
AUX
FUNCTION
CONTROL
CH STATUS DECODE
(DTS)
ROTARY ENCODER
FUNCTION
FRONT
CENTER
LC78213
FR
CNT
SW
FR
CNT
SW
FL
FR
CNT
SW
SELECT
TC9184AP
MULTI VOL. CONTROL
MUTE
CONTROL
MUTE
CONTROL
OSD CONTROL
MONITOR
OUT
8BIT µ-CON
MUTE CONTROL
(S2)
(S3)
(S1)
X2
CONTROL
RC-IN
RC-5 IN/OUT
FOR FEATURES
PORT EXPANDER
PORT EXPANDER CONTROL
FOR LED DRIVE
12DIG.X16SEG.
(L/C/R/LFE)
X7
4.3MHZ
PLL/RDS CONTROL
RDS DATA
20BIT
NJU3718L
CLOCK
KILLER
6dB
Baf
Y
B-Y
R-Y
Y
Y
B-Y
B-Y
R-Y
R-Y
MULTI OUT
1
2
3
10
9
7
6
5
(30)
(29)
(28)
(26)
(25)
(24)
(22)
(21)
11
8
4
(27)
(23)
(20)
PAL/NTSC DSS/DVD
EXPANDER
DSS/DVD
BA7613N
75OHM
+6dB
AUX
75OHM
+6dB
OFF
SRC
BA7613N
BA7649A BA7649A
DVD
6dB
75OHM
+6dB
BA7613N
BA7649A
+6dB
OUT
OUT
AUX
AUX
TV
AUX
DVD
+6dB
SOURCE
SOURCE
Y-OUT
C-OUT
Y-OUT
C-OUT
EXPANDER
FUNCT.CTL FOR VIDEO
AUX
COMPOSITE
S-VIDEO
S-VIDEO BLOCK
COPY SWITCH
COPY SWITCH
20BIT PORT
BA7649A
75OHM
6dB
75OHM
6dB
75OHM
PL04
BA7613N
STANDBY PEAK
P104
COAX
OPT
COAX
OPT
OUT
OUT
IN
IN
IN
THX DOCODER
(BASS MANAGE)
(SPK CONFIG)
(DELAY)
FOR
ZR38600
SPI
VIDEO MUTE
SPDIF
RF DEMOD.
L/R
LS/RS
C/SW
PSEDOU
SURROUND
PRO LOGIC
PM4007
FS=48K
DIRECT/LRG
LARGE/SMALL SWITCH
CNT
SWF
SL
SR
DIRECT IN
SL SR
(S5)
SUBWOOFER
FRONT
CENTER
SUBWOOFER
SURROUND
GAIN:+17dB
+8dB +8dB
-8dB-8dB
IR SENSOR
FOR DSP CONTROL
VCR1
OUT
OFF
VCR1
VCR1 OUT
VCR1
VCR1
TV
Baf
75 OHM
75 OHM
75 OHM
75 OHM
75 OHM
OUT
MULTI ROOM
IN
IN
VCR1
OUT
(16LINES)
GYRO CONTROL
LC78212
(S4)
57
(1)(3)
OUT
IN
TV
DSS
DVD
VCR2 AUX
VCR1
COMPARATER
CROMA-IN
CROMA-OUT
S2 DETECTOR
QS12
QS13
QS14
QS15
TC9459N
LC72720
LC78211
LC78212
12BIT PORT
(8LINES)
TU
CD
TP
TP
TU
CD
TP
MD
TV
DS
DV
V1
V1
V2
V2
MD
CD
TU
TV
DV
AX
TV
DV
AX
V1
AX
AT
6CH DIRECT
6CH DIR/STEREO
SOURCE DIRECT
6CH DIRECT
MUTE
RELAY
80HZ
80HZ
DIGITAL
ANALOG
DIR
48K,96K
32K,44.1K
FOR DOLBY DIGITAL
DTS
(PEAK LIMIT)
74HC157
DAC
AD1855
24BIT
96K
DAC
AD1855
24BIT
96K
DAC
AD1855
24BIT
96K
DAC
AD1855
24BIT
96K
DAC
AD1855
24BIT
96K
FRONT-L
FRONT-R
SURR.-L
SURR.-R
GATE ARRAY
GATE ARRAY
AC-3
IN
FR
FL
FR
SR
SR
TC9215P
LC74781
Y
C
Y-C SEP.
LC74781
DSS/VCR2
LD
DSS/VCR2 OUT
DSS
LD
DSS/VCR2
DSS/VCR2
LD
DSS/V2
LD
DSS/V2
BA7612N
BA7612N
75 OHM
LD
DSS/VCR2
CDR
AUTO MODE
X2
(CINEMA)
(MUSIC)
GAIN:+17dB
TC9459N X3
CDR
MUTE
CONTROL
DIG/ANA(LFE)
LC72130
AM STEREO
MC13022
16BIT µ-CON
UPD16311GC
YSS912
TMP93CW40DF
S-DIRECT
(2LINES)
NUM2263D
NUM2263D
Y
Y
C
C
Y
Y
C
C
NJU2244D
NJU2244D
IN
MM1140XF
MM1140XF
NJM2903D
COMPONENT VIDEO SELECTOR
S
AUX IN
NJM2244D
NJM2244D
MM1140XF
DSS/V2
LD
LD
DSS/V2
75OHM
+6dB
TC9215P
(LS/S/RS)
CS8414
CS5394
ATT:-3.0dB
+15.3dB
LD
DS
(30)
(29)
(28)
(26)
(25)
(24)
1
2
3
5
6
7
8
4
(27)
(23)
30
29
28
27
25
24
22
21
20
23
26
(2)
(1)
(3)
(4)
(6)
(7)
(9)
(11)
(8)
(5)
(10)
LD
DS
5 (24)
5
(3)
7
(1)
QG01
QG02
BA7612N
BA7613N
BA7613N
74HC4051
BA7612N
QZ01
QZ02
QZ03
QZ04
QZ05
QZ05
QZ06
QZ07
QZ19
QZ20
QZ10
QZ09
QZ11
QZ22
QZ23
QZ16
QZ17
QL09
QL08
QL14
QL01
QL02
QL03
QL05
QL06
QL04
Q201
QC06
QK01
+15V
-15V
+3.3V
QD43
QD01
QD41
QD03
QD02
QD42
QD44
Q691
QE09
QK01
Q601
SRAM
Q651
A101
MULTI RELAY
PL04
FL DISPLAY
QY01
MASTER VOLUME
STEREO CONTROL
(FROM H.P.JACK)
MAIN µ-CON
PL04
P104
OSD CONTROL
MULTI RC-IN RC-5 IN/OUT SPK RELAY CONTROL
LARGE/SMALL
TUNING CONTROL
RDS DATA
FUNCTION CONTROL OSD CONTROL TONE CONTROL PLL/RDS CONTROL VOL CONTROL
FL DISPLAY
DRIVER
VCR1 IN
Y
Y
Y
C
C
C
QR01
VU01
QU01
(F ONLY)
TUNING CONTROL
LARGE/SMALL CONTROL
6CH DIRECT CONTROL
IN
Q351
QA51
ATT:-2.5dB
TRANSF.
AC
FL
µ-CON(+6V)
MUTE DRIVE
STAND-BY CONTROL
AC OUTLET
POWER-SW
+5V(VIDEO)
P804
10V
DSP
+5V
3.3V
+5V
-6V
-5V
-5V(DIGITAL)
+5V(DIGITAL)
+15V
-15V
+15V(ANALOG)
-15V(ANALOG)
VKK,-33V
24V
STEREO CONTROL
FRONT
PW04
HDAM
PW54
HEADPHONE AMP
PM04
-1.5dB
UPD78018F
(N, S ONLY)
U-ONLY
-0.56dB
-0.56dB
-1.36dB
-1.36dB
PB74
PU94
PU74
PL74
PL74
PY04
P154
OSD-CNTRL
HEADPHONE
FROM
PL74
PREOUT
TUNING