Block Diagram - Marantz SR-14 Service Manual

3. BLOCK DIAGRAM

INPUT SEL./MULTI SEL.
PS04
QS12 LC78211
(S1)
21
TU
QS01
(10)
5 7
CD
(3) (1) 22 20
CD
(9) (11)
5 7
IN 24 TP
(3) (1)
(7)
TAPE
QS02
AUDIO 25 TP 23
OUT
(6) (8)
27
MUTE TU
CONTROL
(4)
IN 5 7
CD
28
(3) (1)
CDR
(3)
OUT 29 26
TP
(5)
(2)
CDR
30
MUTE
CONTROL (1)
RC-5 IN/OUT
RC-5 IN
RC-5 OUT INPUT SEL.
QS14 LC78212
(S2)
(30)
MD
1
QS51 (29)
7 TV (27)
TV
5 2
4
QS52 (28)
7 DS
LD
5
3
7 QS53 (26)
DVD DV
5
5
IN (23)
V-AUDIO (25) V1
6
VCR1 8
(24) V1
OUT
7
IN 22 20
V2
DSS/VCR2 (9) (11)
OUT 21 V2
(10)
PL74
QS91
7
AUX
5
MUTE
CONTROL
MULTI ROOM
5
OUT
5 QG01
7
MULTI ROOM
ELE. VOL
(3)
(1)
RC-IN
TC9459N
QG02
MUTE
RELAY
COMPOSITE
VIDEO SELECTOR
COPY SWITCH
TV
MM1140XF QL01 BA7649A
LD TV
LD
DVD
DVD
DSS/V2
VCR1
+6dB AUX
VCR1 75OHM
DSS/VCR2
QL02
BA7612N
AUX
NJM2244D
VCR1 OUT
DSS/VCR2 OUT
Baf QL14
MULTI OUT
NJM2244D
COMPOSITE
QL08 OSD
MONITOR OUT Baf
LC74781
QL09
COMPOSITE
PL74
S
AUX IN
SR-18, SR-14 ONLY
COMPONENT VIDEO SELECTOR
Y
QZ18
BA7613N BA7613N BA7613N
DSS QZ17
Cb QZ16
6dB 6dB 6dB
IN
75OHM
Cr 75OHM 75OHM
Y
DSS/DVD
DVD CONTROL
Cb
IN
Cr
Y
MONITOR
Cb
BA7649A
OUT TV
Cr
LD
QZ02
Y MM1140XF BA7612N DVD
TV
C
QZ01 DSS/V2
Y
AUX
6dB
LD
C
Y
DVD
C TV
MM1140XF
QZ03
AUX LD
DVD
DSS/V2
AUX AUX
Y
QZ04
VCR1 IN C
BA7612N
OFF
Y
DSS/VCR2
+6dB
C
IN
QZ19 75OHM
75OHM
Y
NJU2244D
DSS/VCR2
C QZ20
OUT
75OHM
NUM2263D
Y
VCR1
C NJU2244D QZ10
OUT
75OHM Y-OUT
Y
MONITOR OSD
LC74781
C QZ11
OUT Y-C SEP. C-OUT
75OHM
OSD CONTROL
S-VIDEO
NUM2263D
QZ09
LARGE/SMALL SWITCH
P104 TUNER
COPY SWITCH
LC78212
QS13 A101
(S4)
(30)
MD FM FM FRONT IF AMP
1
END
(29) CD (27)
AM
4
2
(28) TU
3
(26) (23)
TV
5 8
(25) LD
6 AM STEREO
DIRECT IN MC13022
(24) DV ATT:-2.5dB
7
CNT
(22) (20)
DS
9 SWF
11
(21) AX
SL
10 SR(RS)
-6dB ATT
SR
QS13 SR
1
3
(5) (7)
ATT:-3.0dB
MULTI ROOM
QS15 LC78211
(S3)
30 TV
(1)
29 LD 26
(2) (5)
28
DV
(3)
27
AX
(4)
+15V
25 V1 23 -15V
(6) (8)
24 DS
(7)
20
22 AX QK01
(11)
(9)
21 AT
ADC
(10)
CS5394
FS=48K
FUNCTION
CONTROL
SR-18, SR-14 ONLY
AC-3 QK01
2.88MHZ
RF
IN BPF
(24) YSS912
QE09
FOR DOLBY DIGITAL
MULTI VOL. CONTROL
PM4007
RF DEMOD.
MULTI MUTE
COAX
QL03
IN-4
TV
BA7649A DIR
QL05 LD COAX
CS8414
MULTI ROOM SELECTOR SPDIF
DVD
IN-3
QL04
OPT
BA7613N 32K,44.1K
OFF
IN-2
SRC
QL06 48K,96K
AUX OPT
+6dB QR01
+6dB IN-1
75OHM
COAX
VCR1
75OHM
OUT
BA7613N DSS/V2 OPT
OUT
8BIT µ-COM
FUNCTION
µPD78018F
PL04
CONTROL
MUTE CONTROL
+5V FOR DSP CONTROL
VIDEO
OSD CONTROL
PZ04
S2 DETECTOR
CROMA-IN TV
QZ23
COMPARATER 12BIT PORT
DSS
EXPANDER
DVD
CROMA-OUT
VCR1
P104
NJM2903D
QZ22
VCR2 AUX
74HC4051
S-VIDEO BLOCK
QZ05
COPY SWITCH
20BIT PORT EXPANDER
SOURCE
NJU3718L
+6dB QZ05
FOR LED DRIVE
75OHM
BA7613N
BA7649A
X6 X7 X2
QZ06
COPY SWITCH
SOURCE VISUAL CH STATUS DECODE AUTO MODE
(TV/LD/DVD) (L/C/R/LFE) (DTS) (CINEMA)
(VCR1/DSS/AUX) (LS/S/RS) (MUSIC)
+6dB
FL DISPLAY
75OHM
DRIVER
QU01
BA7612N µPD16311GC
QZ07
12DIG.X16SEG.
FL DISPLAY
Y-OUT
VU01
C-OUT
+5V
FUNCTION
CONTROL
5
Q201 +15V
7.2M
LA1837
PLL/RDS CONTROL
LC72130
FM/AM IF & MPX PLL
TUNING CONTROL
P104
4.3MHZ
CLOCK
KILLER
RDS DECODE
FM DET.
RDS DATA
LC72720
Q351
QA51
(N, S ONLY)
(F ONLY)
C
TC9215P
DIRECT/LRG
SW
SL(LS)
SML
LARGE/SMALL CONTROL
80HZ
HPF
6CH DIR/STEREO
FL
FL
+15V +3.3V +5V
P604
DSP
-15V -5V
QD01
DAC
FRONT-L
SR-19 ONLY
AD1855 SW
24BIT
SRAM
96K
Q601
DAC FR
SL
AD1855
FR
QD43
FRONT
24BIT
-R
DTS SR-18, 96K
PRO LOGIC
SR-14
QD41
PSEDOU
ONLY
SURROUND
SURR.-L
QD03
L/R
ZR38600
DAC
Q651
LS/RS AD1855
C
FOR 24BIT
THX DECODER 96K
C/SW
(DELAY)
(BASS MANAGE) RS
SURR.-R
(SPK CONFIG)
(PEAK LIMIT)
SR-19 ONLY
QD02
DAC
FRONT
CENTER
AD1855
FL
24BIT
Q691
96K
FR
MIX
DAC
QD44 AD1855
SR-18,
24BIT
SR-14 96K
LFE
ONLY QD42
20BIT PORT
EXPANDER
PL04
PORT EXPANDER CONTROL
QY01
16BIT µ-COM
TMP93CW40DF
FOR FEATURES
STANDBY PEAK
POWER
IR SENSOR
KEY MATRIX
STEREO CONTROL
(FROM H.P.JACK)
PU04
FRONT
+15V
ELECTRIC TONE CONTROL
-15V
TONE
TC9184AP
FR FR
X2
+8dB +8dB
CNT CNT
-8dB -8dB
BASS TREBLE
SW
GAIN:+17dB SW
FRONT
GAIN:+17dB
TONE CONTROL
SOURCE DIRECT
PREOUT/MAININ
INDIVIDUAL & MASTER PL04
TC9215P
ELE.-VOL. X6CH
PM04
TC9459N X3
HDAM
FRONT
FRONT
SR-18, SR-14
ONLY
QC06
6CH DIRECT
LC78213 (S5)
CENTER -1.7dB
FR
CENTER
SURROUND
SURROUND
+15.3dB
CNT
RS
-1.7dB
SR
ANALOG
SUBWOOFER
MULTI RELAY
6CH DIRECT
CONTROL
SUBWOOFER
+15V
-15V
+5V
80HZ
LPF
TC9215P
DIGITAL
PU04
MAIN µ-COM
MASTER VOLUME
ROTARY ENCODER
U-COM(+6V)
MUTE DRIVE
-5V
FL
24V,-33V
GYRO CONTROL
+5V(DIGITAL) POWER
SUPPLY
+5V(VIDEO)
P754
+3.3V
POWER
+-15V(ANALOG) SUPPLY
PS04
FUNCTION SELECT
+-B(POWER AMP)
ROTARY ENCODER
+12V(FAN CONTROL)
STAND-BY CONTROL
6
FL
FR
C
SL(LS)
SR(RS)
SW
STEREO CONTROL
P704/P754
MAIN AMP HEADPHONE
FRONT
PW04
S HORT
PI N
MAIN
AMP PT04
FRONT
FL
L
G
G
MAIN FR
AMP R
CENTER
S
HORT
PI N
PT74
C
CENTER
MAIN
AMP
G
SURROUND
+29.0dB
S HORT
PI N
MAIN
SL(LS)
SURROUND
AMP
L
G
G
SR(RS)
MAIN R
SUB WOOFER AMP
PROTECROR
DRIVE
RELAY CONTROL
SPEAKER RELAY CONTROL
+12V
FAN CONTROL
THERMOSENSOR
COOLING FAN
PU94
POWER-SW
SUB
TRANSF.
MAINS INLET
POWER
+-8V SUPPLY
MAINS
PS04
CORD
POWER
SUPPLY
P804
POWER
SUPPLY
P854
MAIN AMP TRANSF. MAINS OUTLET