JVC TH-C90A Service Manual page 50

Micon section
J6101
QNZ0851-001
5.0V K6101 NQR0502-001X 5.0V
D5V
2.5V K6102 NQR0022-002X 2.5V
USB
D-
2.5V K6103 NQR0022-002X 2.5V
D+
0V K6104 0
GND
USB PWB
LVA10636-A4
EP511
QNZ0870-001
A5V REG
KIA7805API
IC491
12.4V
1
1
0V
F+
F+
F-
F-
-VDISP
-VDISP
GND
FLGND
D5V
GND
DGND
SYS-PON
DVD-PON
B5V
SWD5V
*
C4016
SWD5.6V
C4719
GND
DGND
0.01
M9V
GND
MGND
A12V
GND
AGND
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL.
CONDITION --- A DVD disc in the Tray 1 , and STOP mode .
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/16W 5% METAL GLAZE RESISTOR. OR 0.5% METAL GLAZE RESISTOR.
ALL CAPACITORS ARE 50V , 25V , 16V , 10V or 6.3V CERAMIC CAPACITOR
ALL RESISTANCE VALUES ARE IN OHM( ). ALL CAPACITANCE VALUES ARE IN . F(p=pF).
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE( F) /RATED VOLTAGE (V).
ALL INDUCTANCE VALUES ARE IN H(m=mH).
3. NI STANDS FOR NOT INSERTED PARTS.
CN511
WJP0079-002A-E
CN704 CN703 CN702
1 D5V
2 D-
3 D+
0V
4
GND CN404
QGF1036C2-05
5 GND
R4844
!
FR
*
DVD B3.3V
SAFETY1
DETECT D4962
1SS133-T2
KTC3203/OY/-T
D4831 Q4961
4.9V
4.9V 3.2V
3
3
1SS133-T2
2
3.6V
3.8V
2 D4834
0V
1SS133-T2
Q4831 0V
RT1N141C-X
SYS-PON
DVD-PON
0V VREF-
*
R4774 0V
NTSEL(RGBSEL)
4.9V
VCR S/C
4.9V
VERSION1
R4771 *
4.9V
VERSION2
R4773 *
KEY1 4.9V
KEY1
C4771
KEY2 4.9V
0.1/16 KEY2
C4772
KEY3
0.1/16 4.9V KEY3
C4773
KEY4 0.1/16 4.9V
KEY4
C4774
0.1/16 4.9V
VREF+
C4708
4.9V
VDD
2.5V
0.01 OSC2(8MHz)
2.5V
OSC1(8MHz)
0V
GND
XI
XO
0V
GND
R4872
DI_DT 4.7V
DI-DT/CB_TEST_TX
330
NC/CB_TEST_RX
R4871
DI_CK 4.8V
DI-CK
DVD_S2UDT 330 4.8V
DVD S2UDT/TX
DVD_U2SDT R4875
4.7V DVD U2SDT/RX
FOR FLASH DVD_CK 470 4.7V
DVD CK/CLK
DVD_CS 3.8V
DVD SCS
CN420
NI DVD_RST 4.8V
DVD RST
CLK
6
U2SDT
5
S2UDT
4
RESET
3
VDD
2
DGND
1
NI
R4999 NI
K4702
QQR0621
-001Z (FOR FLASH)
B5V
GND
QQR0621
LEVEL SHIFT
-001Z
(B4112) RT1N140C-X
Q4701 0V
AC OFF
C4791 0.1
DETECT 0.9V
IC473
SN74AHCT08NS-X
0V
0V 4.9V
R4705 R4702
22k 1k
0V 4.9V
DVD_BUSY2
0.3V
DVD_BUSY
0V 0.4V
2 1
0V 4.9V
3.1V DVD_U2SDT2 RESET
IC472
S-80840CNNB-G-W
0V 4.7V DVD_U2SDT
3 4
GND
GND
GND
EP401
QNZ0870-001
3
2
1
CN450
QGF1036C2-17
TO FRONT
CN501
LVS10488-005A
LVA10636-A2
TO DVD BLOCK
FMU-SB1 FMU-SM3
LVS10494-001A or LVS10483-001A
LVA10655-101A LVA10633-101A CN701
CN403
QGF1036C2-18
R4886 5.6k
C4962
R4884 4.7k
C4019
R4883 4.7k
C4017
R4881 4.7k NI
2.2/16 C4020
*
C4018
C4021
NI
*
R4843
D4709
10EDB
2.2
20-T4
1W
R4841
680 SAFETY2
4.7V
DETECT
4.8V
0.4V
C4905
NI
Q4832
0V
RT1P430C-X
Q4833 C4963
NI
RT1N430C-X
NI
C4895
0V
NC
NC
0V
SMUTE
4.8V
AVC_IN
4.9V
AVC_OUT
NC
NC
NC
1SS133-T2
4.8V
V_MUTE2
D4705
IC471 0V
V_MUTE1
4.9V
MN101C49GPW1 V_LPF
4.8V 0V
V_RGB
4.9V
V_YCMIX
0V
V_SW
SYSTEM MICOM
NC
NC
NC
R4811
4.8V SW_PON2
AM BEAT
R4775
4.9V 330
TU_CE
R4778 12.3V
0V 100
TU_DTI
0V R4777 100
TU_DTO Q4811
RT1P141C-X
R4776 330
TU_CK 0V
NC
SW_PON 4.8V
NC
NC Q4812
RT1N141C-X
10k
R4714
8 7 6 5
EEP ROM
IC477
BR24L08F-W-X
1 2 3 4
CN451 CN457
QGF1205C2-07 QGD2504C1-03Z
TO TOP KEY TO MIC
CN502 FW521 CN701
LVS10488-005A LVS10488-006A
LVA10635-A2 LVA10636-A4
2-4
*HDMI
TO TUNER
CN801
QAU0412-001
CN402 CN401 CN410
QGF1205C2-11
QGF1036C2-28 QGF1036C2-05
LVA10635-A1
MAIN PWB
R4012
1k
1k
TU9V REG
R4011
Q4091
KTA1271/OY/-T
ADINR
12.4V 0V
ADINL
1SS133-T2 11.8V
D4091
OUT-R
4.7k 11.8V
R4091
0V OUT-L
HPMUTE
0V OUT-SR
OUT-SL
Q4092
2SC3928A/QR/-X 1SS133-T2
D5V OUT-SW
D4093
SMUTE
OUT-C
DGND
4.9V 3.9k
R4823
0V TU_PON VOL_CK
VOL_DT
Q4822
0V
2SD2114K/VW/-X SW_PON2
B5V LRMUTE
AM-BEAT
CUT R4921
!
10
FR
4.9V
Q4821 HPOUT_L
RT1N141C-X
0V HPOUT_R
*AV COPUULINK MIC
AV
COMPULINK
R4708
4.7V 220 V
Y1
Q4703
RT1N141C-X
C
0V Y2
CB
CR
4.7
!
FR
12.3V
VCR_S/C
SW-PON V_SW
V_MUTE1
0V
V_MUTE2
V_YCMIX
V_RGB
0V V_LPF
R4716
R4717
*PARTS LIST
EE U1
R4752 P-UP X 27k
VERSION1
R4771 P-DOWN 10k 10k
R4763 P-UP
VERSION2
3.2V R4773 P-DOWN
VDD
R4751 P-UP
0V DIGITAL NTSEL (PAL/RGB) 10k 10k
GND
R4893 IN /RGBSEL P-DOWN
0.2V R4774 (NTSC/YC) X X
DIN
100 R4847 P-UP 10k 10k X
KARAOKE SW
R4848 P-DOWN X X 10k
IC481
TORX147 R4851 P-UP
FMU-SB1
/FMU-SM3
R4852 P-DOWN
HDMI CN401
MIC CN455 o o X
*AV COPUULINK AV COMPULINK J4891/CN406
C4016
AV C4020
COMPULINK C4021
R4844
J4891
R4891
QNS0089-001 D4845
or QNS0221-001
4.7V 2 D4703
220
4.7V 1 C6101/C6102
R4892
0V 3
220
EE : EE
4
U1(PAL) : A/US/UB/UF/UN/UG
(NTSC): UT/UP
U2(NTSC): UW
(PAL) : UY
U3(PAL) : UX
U4(NTSC): UJ
J : J/C
Parts are safety assurance parts.
*MIC
When replacing those parts make
sure to use the specified one.
(2/3)
CN411
QGF1036C2-25
6.2V
1 TU-R
GND 0V
2 AGND
6.0V
3 TU-L
0V
4 AGND
2.5V
5 ADINR
0V
6 AGND
2.5V
7 ADINL
0V
AGND
8
2.4V
UOT-R
9
0V
AGND
10
2.4V
11 OUT-L
4.8V
12 HPMUTE
2.4V
13 OUT-SR
0V
14 AGND
2.4V
OUT-SL
15
0V
AGND
16
2.4V
OUT-SW
17
2.8V
18 S-MUTE
2.4V
19 OUT-C
4.9V
20 B5V
12.4V
21
12V
0V
22 DGND
0V
23 VOL_CK
0V
24 VOL_DT
12.4V
25 SW_PON2
CN413
QGB2501J1-06
12.0V
1 A11V
GND 0V
2 AGND
0V
3 HPOUT_L
0V
4
AGND
0V
5 HPOUT_R
0V
6 MIC
A5V
A5V
DGND
V
Y1
C
Y2
CB
CR
VCR_S/C
V_SW
V_MUTE1
V_MUTE2
V_YCMIX
V_RGB
V_LPF
*AV COMPULINK
CN406
QGF1205C2-05
5 NC
4 NC
DEVICE KEY
220
0V
AVCO
3 WRITING
0V
2 BGND
220
0V
AVCI
1
C20-C30 C40-C60 C90
U2 U3 U4 J
15k 8.2k 3.3k 27k
10k 10k 10k X
27k 27k 8.2k
X 10k 10k
X X X X X
10k 10k 10k 10k 10k
10k X X 10k X X
X 10k 10k X 10k 10k
X 10k X
10k X 10k
X o
o X X o X X
X/ o o/ X
0.01 NI
0.01 NI
0.01 NI
120 47
o X
MTZJ4.7B-T2 3.9B
0.1 0.0018