Block Diagrams - JVC TH-M45 Service Manual

Block diagrams

<Main body section>
DVD servo board
IC101
A,B,C,D,E,F,RF
FRONT END
DVD traverse
PROCESSOR
mechanism
PD(CD)
PD(DVD) Q101
F+,F-
Q102
T+,T-
TRDRV
CDLDCUR
FODRV DVDLDCUR
TRSDRV
IC201 IC301
/DRVMUTE
SODC
DRV.
FG,SBRK
STD0 to 7,AVRTM
RM+ SPDRV
STCLK,STVALID
RM-
STEN
DVD traverse IC251
H1+,H1-,H2+,H2-
ODCIRQ
H3+,H3-,SM1 to 3,VH SPINDLE
mechanism
ODCIRQ2
MOTOR
ADSCIRQ
DRIVER
SODCCS
/DRVMUTE
5-CD
IC1 /SPMUTE
LSENSOR
CHANGER
POSITION
MECHANISM
SENSOR
IC404
EEPROM
SUB TRAY
STEDSW
END SW
CLSWT1 to 5
STSTSW,MTOPSW
POS_UP
IC1,IC2 POSMUP,POSMDN
POS_DOWN
MTOP,MTCL
TRAY
TR_OP
POSITION
TR_CL
MOTOR
DRIVER
Power supply board
M.TR_OP
M
TR1_CL
TRAY TR2_CL
TR3_CL
POSITION
TR4_CL
MOTOR
TR5_CL
SUB TRAY
S.TR_ST
START SW
CN2
IC901
T901
SWITCH
POWER
CN3
REG.
TRANS.
TR1_CL to TR5_CL
M.TR_OP
TRAY
TRAY1 to 5
OPEN
CLOSE SW
SW
DIODE
AC IN
BRIDGE
Front board
STANDBY
JS501 F1,F2,-VDISP
VOL1
LED
B5V,D5V
VOL2
IC502 REMOCON STANDBY
REMOCON
DATAIN
CLOCK
Operation board
INITIAL
IC501
RESET
DISPLAY
S571 to S577
MICOM
OPERATION SW
X501
8MHz
G1 to G14
LED board Connect
KEY3
P1 to P35
KEY4
board
DI501
ILLUMI.
S501 to S510
FL
LED
DISC_KEY
DISPLAY
Main board
TBAL,FBAL,TE,FE,AS
IC505
ARF+,ARF-,BDO,OFTR
SAFETY S2UDT,SCLK
DRAM
RFENV,TESTSG,SLEEP
INTP,U2SDT
MA0 to 13 CS,CPURST
Q4831
SYS-PON
X301 MD0 to 31
SAFETY
DVD-PON
DQM0 to 3
16.9MHz
X571
DET.
CS0-,RAS- ILUMI-DIM
27MHz
CAS-,WE- ILUMINATION
TU-DI,TU-DO
TU-CK,TU-CE
COUT DVD-110
TU-PON
IC501
YOUT DVD-112
PANTERA-2
CrOUT
DVD-114
CbOUT
AD4 to 19 DVD-118
AD0 to 15
TX SPDIF
ALE
LA0 to 3
IC406
ACK,PCS0
PWE0
IC407
SWPON
LATCH
IC405 SSPCLK0
SSPOUT0
FLASH
LADD4 to 19 SSPIN0
ROM
INTP
CPURST
S2UDT
EPDI,EPDO
FLCS-
EPCS,EPSK SCLK
INTP
IC403
CPURST
DISPRST,DISPBUSY,DISPCS
SMUTE
SUB MICON
DISPCK,DISPD2S,DISPS2D
IC473
U2SDT,CS
F1,F2
Q951Q953
-VDISP
FL&-VDISP
SYS-PON
SCART-LIN
SW
DVD-PON
SCART-RIN
Q954,Q955
DVD-PON B5V
TU-L
DVD5V SW D5V
PON
TU-R
IC951
DVD-5V D5V
B5V,D5V
D5V
DVD-5V
REG.
DVD-3.3V
M9V
DVD-5V
B5V
+12V
-12V
Q964
IC953
Q965
DVD-3.3V
B5V
DVD-5V 3.3V
REG.
M9V
REG.
M9V +12V,-12V
+12V
Q958 to Q961
-12V
+/-12V REG.
F1,F2
-VDISP
VOL-1,VOL-2
STAND-BY
REMOCON
IEC958
TU-PON RDS-CLK
KEY3,KEY4
SWPON
Q4091 RDS-DATA
DISC4-1
RDS-ST SMUTE
Q4092
DISC4-2
TU9V IC481
DISC5-1
DISC5-2 REG. RDS TU-L
DI-DT,DI-CK TU-R
TU-DI
DI-CS,DI-RST
TU9V
TU-DO
KEY1,KEY2 TU-CK
TU-CE
Q4851 Tuner
LED
Q4852 ILUMI-DIM pack
ILUMINATION
SCART-LIN
SCART-RIN
AUDIO L IN
AUDIO R IN
DVD-110,DVD-112
DVD-114,DVD-118 DVD-110 R/C
B
DVD-112
Q4701
DVD-114 G
BACKUP
B5V
IC431
& DET.
VIDEO
INH
DRIVER
DVD-110 C
RESET-IN
/RST Y
DVD-118
SW-PON Q4702
DVD-118
Q4811
IC472
VIDEO-MUTE1
Q4812
IC471
RESET
VIDEO-MUTE2
SW-PON
SYSTEM
VIDEO-YCMIX
X4701
MICOM VIDEO-RGB
8MHz VIDEO-LPF
S-MUTE
Q4801
AM-BEAT NTSEL
Q4802
Q4821 S4401
S-MUTE
AM-BEAT RGB/YC
DRVER
CUT SW
AVC-IN,AVC-OUT AVVLR
Q4703
SELECT3
SAFETY,DSP-RST,DSP-RDY,DSP-COM
SELECT4
DSP-STAT,DSP-CLK,AUX,TV/TU,VOL-STB
VOL-DATA,VOL-CLK,SWPON,SMUTE
Q4951
D.O-MUTE
Q4952
IC492
Phone jack board
TV/TU-L
TV/TUNER
TV/TU-R HP
HP-L
SELECT
HP-R HP-L
IC601
SW HP HP-R
HP
AMP.
DSP board
Q2501
IC404 X401
Q2502 IC153
MUTE
24.576MHz
RAM Q2521 6CH
Q2561 VOL.
RX0
IC403
TX0
Q2581
DSP
A0 to A16
I/O1 to I/O8
DIGITAL0 VOL_STB
OE-,CE-,WE-
FORMAT VOL_DT
CHANNEL VOL_CK
ERR,MICS-
RX0
RST_DET
D_OUT_MUTE MIDIO,MIACK-
DSPCOMMAND MICK-,MILP-
HP_OUT_L
DSPSTATUS- DSP_RST HP_OUT_R
DSPREADY
MUTE
DSPCLK IC406
DSP
ASW1
MICOM
IC531
ASW2
CDTI IC561
SDTI1 to 3
AUX
CCLK-
SDTO,BCLK
IC581
TUNER
CS-
LRCLK
IC591
Q1251
LOUT1 to 3
AMP. Q1252
ROUT1 to 3
IC401
LIN+,LIN-
IC510
CODEC
RIN+,RIN-
IC511
AMP.
<Subwoofer section>
Speaker terminal
board
J4403
SCART
TERMINAL J401
LFE,FR,FL
SL,SR,C
Mini Din
CONN.
SPEAKER
J4401 &
S-VIDEO OUT ILLUMI.
RY403
SROUT
COMPOSITE
VIDEO OUT
FCOUT
FCOUT
RY402
SLOUT
SLOUT
SROUT
FLOUT
FLOUT
FROUT
RY401
FROUT
J4891
AV COMPULINK
AC IN
RY101
POWER
TRANS.
Q501 to Q505
POWER CONTROL
& PROTECTOR
HP
Q511 to Q517
MUTE
CONTROL
Q521 to Q525
IC158
J1103
Q1131 PROTECTOR
IC159
SYSTEM
Q1133
IC160
CONN.
Q1135
AMP.
Q531,Q532
LOW VOLTAGE
S_MUTE
DETECTOR
SW.P.ON
IC408
DIGITAL
IN
+35V +17V
-35V
-17V
IEC958
TUNERL
TUNERR
IC151
INPUT
SELECT
J1101
AUX IN
L-IN
R-IN
Mother board Amplifier board (A)
FCIN
SLIN
SRIN
P.ON
IC201
Q545
POWER
FCOUT
AMP.
SLOUT
SROUT
PRT
Q2101
Q2201
Q2301
Amplifier board (B)
LFEIN
FLIN
FRIN
+35V
-35V
+17V
IC301
-17V
POWER
LFEOUT
AMP.
D151 FLOUT
T101
FROUT
D152
PRT
Q3101
Q3201
Q3301
+12V
Q151
+12V_REG.
+17V
+17V
-17V
2-1