JVC RX-F31S Service Manual page 19

Block diagram
Audio/Video signal input/output
(Component/DVD multi) section
MULTI_SL/SR
5.1ch
MULTI
IN
MULTI_C
MULTI_SW
1270_SDA
VCONT10
1270_SCL VCONT9
Y
IC352
IC351
REC_SY REC_SY
CV
Y/C AMP
SY
CV
& SEL
SEPA.
CKIN
C
IC359
IC353
REC_SC
CLOCK
AMP
SC
OSD_SY
GEN. & SEL
OSD_SC
VCONT10
OSD_SIN
OSD_SCLK
OSD_CS
CN514 CN516
CN536
CN526
CN504 CN506
SY
IC553
Y/C
VCONT1
SC
VCONT4 MIX
REC_SY/SC
Y/C IN
CV_IN IC555
CV IN/OUT
SEL
Y/C IN
CV_OUT
VCONT1
CV IN/OUT
VCONT4
Y
SY
IC551
IC552
Y/C IN C SC
Y/C SEL
CV IN/OUT
CV
M_OUT_CV
IC451
Y Y OUT
Y SEL.
IC452
PB PB OUT
PB SEL.
PR IC453
PR OUT
VCR IN
PR SEL.
VCONT1
VCR/DVD IN
MONITOR OUT
DVR_RECL/RECR
DVR IN/OUT
DVR_L/R
L,R
VCR_L/R
IC502
DBS_L/R
6CH
TV_L/R
SW
VCR IN/OUT
TU_L/R
VCR_RECL/RECR
DBS/TV IN
MOUT_L/R
MONITOR OUT
RC_SDA
IC507 RC_SCL
EEPROM
TO
MUTE
TUNER
TU_DATAI,TU_DATAO
TU_MUTE
TU_CLK,TU_CE,TU_MUTE
AV_LINK
AV_COMPULINK
System control and audio/Video signal input/output section
All manuals and user guides at all-guides.com
Vol. control section
IN.L
IC503
IN.R
CN525 CN521
SBWFR OUT
SMART SETUP L/R
C_RELAY VOLUME
SMART SETUP C
S_RELAY
SMART SETUP SL/SR F_RELAY
SMART SETUP SB
SB_RELAY
DA,CL
DSP_L/R,DSP_C,DSP_LFE
DSP_SL/SR,DSP_SB,IN.L,IN.R
SBWFR OUT
CN611
VCONT8
IC504
DSP and digital signal input terminal section
AMP
IC362 DSP_L,DSP_R
SEL DSP_LS,DSP_RS
DSP_C,DSP_LFE
DSP_SB
IC356
IC360 IC357
DSP_IN_L
OSD AMP
SUBWOOFER DSP_IN_R
DSP_STATUS
& SEL
OUT IC601,IC602
DSP_READY
DSP_RESET
DSP_COMMAND
DSP_CLK
RX0
DIGITAL
IN1
RX1
DIGITAL
IN2
IC554
RX2
DIGITAL
AMP
IN3
& SEL
TH1,TH2
LIMITTER
TX
DIGITAL
DA_PROTECTOR
VCONT5
CLK_F_CONT OUT
REG_SAFETY
POWER
User control keys, system control and FL display section
HP_RELAY
HP_SW
B_SW1
B_SW2
SEG1 to 35
IC401
GRID1 to 13
CPU
&
FL DRV.
VIDEO+9V
VIDEO+5V
B+5V,A+5V
D+5V,+5V
BLUE_LED
TU+9V
+7V,-7V
DI401
MCLK,M_CS
+S2B
M_COMMAND
FL
M_STATUS
DISPLAY
M_BUSY
M_RESET
STANDBY_IND
BLUE_LED
KEY_IN1 to 3
LED_DIMMER1
LED_DIMMER2
Q403,Q411
DIMMER
TH1,TH2,LIMITTER
CONT.
DA_PROTECTOR
CLK_F_CONT
REG_SAFETY,POWER
CN401
HP_RELAY,HP_SW
B_SW1,B_SW2
FAN
Regulator 2 section
Q532 TO
FAN_L
Q533
FAN
IC501
Q211,Q212
Q536
CPU MOTOR
D+5V REG.
Q226
BLUE_LED
VIDEO+5V
LED_DIMMER1
LED_DIMMER2
REG.
AV_LINK,M_CLK
M_COMMAND Q227
M_STATUS,M_CS
VIDEO+9V
M_BUSY,M_RESET
REG.
Q202
9.0V REG.
Regulator, PWM modulator, digital power amplifier
and low pass filter section
IC508
AUDIO
SOUND
CPU
6CH
FL,FR
SBOUT
SL,SR
IC301,IC801
C,SB
MUTE IC901
FM MODULATOR
SOURCE_MUTE
IC611 to IC613
A1+/- to A4+/-
B1+/- to B3+/-
IC615,IC621,IC622
SURROUND BACKch
IC632 to IC634,IC651
PWM_C
AMP. LIN+/-
IC667
PWM_SB
RIN+/-
8CH FB1_C,FB2_C
AMP. CDIN,CDOUT
FB1_SB
CODEC
CCLK,D_CS FB2_SB
IC671 D_RST,INT
CPU
DSPSTATUS PWM_SL/SR
DSPREADY FB1_SL/SR
DSPRESET FB2_SL/SR
C_LRCK,S_LRCK
DSPCOMMAND
C_BCK,S_BCK
DSPCLK
D/A0 to D/A3
DATA,MCK,XTAL
GPIO1,GPIO2
GPIO3,GPIO4 IC661
DSP
MOSI,MISO
SS,HREQ
DSP_RST
MICK IC673 SCK
INV
JOG1,JOG2
JOG1
VOL1,VOL2 JS401
JOG2
JS402
VOL1
D412 to D415
BLUE_LED
VOL2
BLUE LED
JOG/VOL.
TUNER_IND,TV_IND
DVD_MULTI_IND
VCR_G_IND,VCR_R_IND
VIDEO_G_IND,VIDEO_R_IND
DVD_G_IND,DVD_R_IND
D421 to D426
INDICATOR
REMOCON
IC402
IR DETECTOR
BLUE_LED
D408,D409
KEY_IN1
BLUE LED
KEY_IN2
KEY_IN3
STANDBY_IND
F1,F2
-VPP,5.0V S401 to S406 D407
SW STANDBY LED
FW402
B_SW1
B_SW2
AMP_CLK
CN412
+S2B,9.4V
F1,F2
VIDEO+7V
+S2B
-VPP,5.0V
D+5V,A+5V,9.0V
+S2B
AC_ON/OFF
B_SW1,B_SW2
POWER_PWM
IC851 to IC855
+S2B
AMP_CLK,+12V
Q851 to Q858
SW CONT.
9.4V
SW control section
PWM_L/R
FB1_L/R
HEADPHONE
RY211
FB2_L/R
IC311 OUT
IC312
AMP
HP_SW
FL
Q1301 to Q1304 FR
RY301
FRONT Lch/Rch
C
RY901
Q1901 to Q1904
CENTERch
C_RELAY
F_RELAY
IC911
IC912
AMP
IC811
IC812
Speaker terminal and smart surround setup section
AMP
SB
SL
SR
Q1801 to Q1804
SURROUND Lch/Rch
+S2B,-S2B
Master clock section
CLK_F_CONT AMP_CLK
CLK_F_CONT
AMP_CLK
AMP_CLK
HP_SW
Primary section
HP_RELAY
POWER
+5V
Q203 D201
B+5V
+5V/B+5V to
REG. D204
9.0V
9.4V
+S2B
D208
Q207,Q208
-S2B S2
+7V
to
-7V -7V/+7V REG.
D211
A+5V Q213 +S2B VS201
A+5V REG. VOL. SEL.
TU+9V Q210 +S2B
TU+9V REG.
5.0V Q209 +S2B
CN204
+5V REG.
+S2B
+S2B D231
-VPP Q205 S2
D233
-VPP REG.
D234
F1,F2 S3
Power
Q703,Q704
AMP+B
AMP+B/AMP-B trans.
AMP-B
REG.
D701
S1
+B to
Q722 to Q726 IC701
-B+12V REG. D704
AMP
-B+12V
POWER_PWM
AC_ON/OFF
+B
+12V
CN725
IC371
IC871
IC971
SMART
SURROUND
SETUP
CN728
CN751 CN727
FL,FR,C
SL,SR
SB
FL,FR,C
+S2B
-S2B
S_RELAY
SB_RELAY
SL,SR
SPEAKER
RY801 SB
TERMINAL
RY902
IC702,IC704,IC706
Master clock GEN.
T202 Main
Trans. plug
RY201
Q702
+12V REG.
+B +12V
CN205 CN711
2-1