Block Diagram - Marantz SR7300 Service Manual

4. BLOCK DIAGRAM

7.1ch IN *OPTION
Function SW TC9273-013 Lch
(MULTI ROOM) (MAIN ) FRONT L/R
M_F_L_R INLA INLA
M_F_L M_F_L
SURR L/R
From Front AUX
INLB INLB
SURR BACK L/R
AUX(L/R) AUX_L AUX_L
INLC INLC
TV_L TV_L
TV IN
CENTER
M_CEN_SW
INLD INLD
DVD IN DVD_L DVD_L
Sub Woofer
INLE INLE
VCR1 IN VCR1_L VCR1_L
INLF INLF
VCR1 OU T DSS_L DSS_L
INLG INLG
DSS/VCR2 IN CD_L CD_L
INLH INLH
DSS/VCR2 OU T TAPE_L TAPE_L
INLI INLI
CD IN CDR_L CDR_L
INLJ INLJ Function SW
TAPE IN TUNER_L TUNER_L T9164
TAPE OU T
CDR/MD IN
CDR/MD OUT
Function SW TC9273-013 Rch
*TUNER IN
(MULTI ROOM) (MAIN )
+6dB
INLA INLA
M_F_R M_F_R
INLB INLB
AUX_R AUX_R
INLC INLC
TV_R TV_R
INLD INLD
DVD_R DVD_R
INLE INLE
VCR1_R VCR1_R
INLF INLF
DSS_ R DSS_R
INLG INLG
CD_R CD_R
INLH INLH
TAPE_R TAPE_R
INLI INLI
CDR_R CDR_R
INLJ INLJ
TUNER_R TUNER_R
Func. SW Cont
To Function SEL
TUNER L/R
TUNER
Tuner Cont
1
MODULE
2
QL01
NJM2595
DSS_IN
CONT
TV_IN
VCR1_IN
BP
VCR2_IN +6dB DRV
AUX_IN VCR1_OU T
OSD
+6dB DRV
NJM2244
AUX CVBS
QL04
From Front AU X VCR2_OU T
+6dB DRV OSD Cont
TV IN
QL03
OSD
DVD IN
CVBS SEL
LC74781
VCR1 IN NJM2535
QL02
AUX_IN
VCR1 OUT CONT
TV_IN
DVD_IN
DSS IN
VCR1_IN +6dB DRV
DSS_IN NJM2244
DSS OUT
+6dB DRV QF02
+6dB DRV
NJM2595
QF01
MULTI ROOM SEL
QX02
NJM2595
QX04
AUX_IN
CONT
NJM2244
TV_IN
AUX Y/ C Y
DVD_IN
+6dB DRV
VCR1_IN
From Front AUX
C
VCR1_OUT(Y)
DSS_IN
Y
DVD IN
+6dB DRV
C
Y
VCR2_OUT(Y)
TV IN
C +6dB DRV
Y Y SEL
VCR1 IN Y Signal
C
QX01
C Signal
Y
VCR1 OUT NJM2595
LD_IN
CONT
C
QX03
TV_IN
NJM2264
Y VCR1_IN
DSS IN
VCR2_IN +6dB DRV
C
VCR1_OUT(C)
AUC_IN
Y
DSS OUT +6dB DRV
C
VCR2_OUT(C)
+6dB DRV
C SEL
QE11
6CH E-VR TC9499N
*OPTION *OPTION
M_F_L_R
+18dB
FRONT
M_S_L_R
FRONT L/R
M_SB_L_R +18dB
SURR
SURR L/R
+18dB
SURR_BAC K
SBL only
ANA_F_L
Function SW
T9162
Func. SW Cont
ANA_F_R
QE12
6CH E-VR TC9499N
*OPTION *OPTION
CENTER
+18dB
CNT
+23dB
SUB_W
+18dB
MULTI
AINR+
Lt from QK30
AINR-
A/D Converter
CS5361
AINL +
Rt from
AINL -
QL05, QF03
DIG.1
74HC4094 x2 12.288MHz
S-Register
DIG.2
VIDEO P-EXP Cont
DIG.3
DIN[0:7]
DRV
DIG.4
MONITOR
DAIO
1 DIG.5
LC89057
QR01
DIG.6
MULTI MONI
DIG.AUX.
Dout
OPT OUT
OSD/FL Cont
COAX OUT
Ver.Up
SW
DRV
DC 1
DC OUT 1
3 -5V -5V 2
1 DC 2
DC OUT 2
RC-5 IN
RDS
RDS Cont
LC
RC-5 OUT
MULTI RC IN
MULTI RC OUT
DRV
DVD_ Y DVD_Y
Y
DSS_Y
DVD_CB +6dB DRV
Y DVD
DVD_CR
C
DVD_CB
MONITOR 1 OU T CB
DSS_CB
+6dB DRV
DSS_Y
DSS_C B DVD_CR
DSS
CR
DSS_CR
DSS_C R +6dB DRV
NJM2581
NJM2584
QF51 QF52
Y
DRV MONITOR
CB
OUT
CR
RS232C
7
Pre OUT
FRONT L/R
FRONT L
FRONT L P-AMP
SURR L/R
FRONT R
FRONT R P-AMP
SURR BACK L/R
CENTER
CENTER P-AMP
Temp.
Sensor
SB
SB P-AMP
SURR L
Surr L P-AMP
SURR R
P-AMP
Surr R
DC/Over Current
Sens
TA7317P
HEAT 2
Temp
I/F
Pre OUT
HEAT_DET
CENTER
PA_FAIL
SUB WOOFER
5V_FAIL(A/D Port)
PL_FAIL
MULTI L/R
HEAT
+B
-B
QD01 D/A Converter
MCLK
CS4382
Q601
XMCK CLKIN
RMCK MCLK
CS
Q600
WE
Address & Data
RDATA CMPDAT CS49400
OE
CMPCLK
RBCK
RLRCK CMPREQ
FWE QU02
QU01 E2P ROM
DC1,2 OUT H8S-2000
QU04
RC-5 IN 16bit -com
RST IC
RC-5 OUT
M-RC IN
QU03 Power Amp Cont
M-RC OUT SPK LY Cont
RS232C
PH_DET
FRONT L (A)
FRONT R (A)
FRONT L (B)
FRONT R (B)
CENTER
SURR BACK
SURROUND L
SURROUND R
SUR_SP
FRLB_S P
FLRA_SP
MAIN TRANSF +5VL +5VL Re g
P-Down Power Down
+5VV
Detect POWER SW
Regulator
+9V
+5VD
+12V
Unbal.
Regulator
Detect
-12V
SUB TRANS F
Unbal.
Detect
AC OUTLETS
VK K
FL FL
IR SENSOR
QC01
FL DRIVER
OSD/FL Cont
NJU3430
ROTARY ENCODER
ROTARY ENCODER
(SURR MODE)
VC01 (MASTER VR)
FL DISPLAY
STANDBY LED
KEY MATRI X
KEY0-2
1 2
8
1
2