Standard Schematic Diagrams; Lcd System Cpu Section; Ux-T77 - JVC UX-T77 Service Manual

Standard schematic diagrams

LCD system CPU section

2SC2412K/R/-X 2SC2412K/R/-X
Q7603 Q7603
6
QGF1205F1-11 QGF1205F1-11
CN766 CN766
R7528 R7528 22K 22K SAFETYCD SAFETYCD
R7529 R7529 47K 47K REST/CLOSE REST/CLOSE
1K 1K
R7622 R7622 MLD MLD
1.2K 1.2K
R7621 R7621 MDATA MDATA
R7620 R7620 1K 1K MCLK MCLK
R7619 R7619 1.2K 1.2K XRST XRST
STATUS STATUS
SQCK SQCK
SUBQ SUBQ
5
QGF1205C1-09 QGF1205C1-09
CN731 CN731
LATCH LATCH
SDATA SDATA
C7804 C7804
0.01 0.01 SCK SCK
R7530 R7530 10K 10K
SAFETY1 SAFETY1
TAPE0 TAPE0
TAPE1 TAPE1
4
QGF1205F1-10 QGF1205F1-10
DTC144TKA-X DTC144TKA-X
CN701 CN701 Q7601 Q7601
150P 150P
ANGND ANGND
C7601 C7601
SDATA SDATA
TUGND TUGND
TUR TUR
TUL TUL 150P 150P
C7602 C7602
TU+B TU+B
FTUNERSW FTUNERSW
Q7602 Q7602
DATA DATA
3 DTC144TKA-X DTC144TKA-X
MPX MPX
1K 1K
R7602 R7602
CLOCK CLOCK
R7642 R7642
PERIOD PERIOD PERIODU PERIODU
VT VT
1K 1K
C7641 C7641
R7641 R7641
1K 1K
150P 150P
2
IC702 IC702
PIC-21043SP PIC-21043SP
1
A
B
C7801 C7801
0.01 0.01
C7802 C7802
0.01 0.01
DI701 DI701
QLD0042-001 QLD0042-001
S21 S21
S22 S22
S23 S23
S24 S24
S25 S25
S26 S26
S27 S27
S28 S28
S29 S29
S30 S30
IC701 IC701
S31 S31
UPD78064GF-149 UPD78064GF-149
S32 S32
S33 S33
S34 S34
S35 S35
S36 S36
S37 S37
S38 S38
S39 S39
STATUS STATUS R7799 R7799
USTATUS USTATUS
1K 1K
R7704 R7704 10K 10K
C7705 C7705 330P 330P
SCK SCK
C7702 C7702 150P 150P
MPXU MPXU
150P 150P
C7701 C7701
R7701 R7701 22K 22K
R7702 R7702 10K 10K
K7001 K7001
QQR0786-001Z QQR0786-001Z
D7032 D7032
R7033 R7033 R7032 R7032
X7002 X7002
QAX0410-001 QAX0410-001
1K 1K 10K 10K
1SS254-T2 1SS254-T2
Q7001 Q7001 Q7002 Q7002
X7001 X7001
QAX0401-001 QAX0401-001
2SC2668/O/-T 2SC2668/O/-T 2SC2668/O/-T 2SC2668/O/-T
D
C

UX-T77

UX-T77
BL701 BL701
BL702 BL702
W781 W781
W701 W701
QQR0786-001Z QQR0786-001Z
K7004 K7004
R7084 R7084 R7083 R7083 R7082 R7082
27K 27K 100K 100K 100K 100K
Q7091 Q7091
2SC2412K/R/-X 2SC2412K/R/-X
R7750 R7750 2.2K 2.2K
FCD FCD
UFCD UFCD
R7749 R7749 12K 12K POUT POUT
UPOUT UPOUT
R7748 R7748 15K 15K SMUTE SMUTE
USMUTE USMUTE
R7747 R7747 2.2K 2.2K SBASS SBASS
USBASS USBASS
R7746 R7746 33K 33K R7646 R7646
VOL VOL
UVOL UVOL
R7745 R7745 47K 47K 68K 68K
TRE TRE
UTRE UTRE
R7744 R7744 56K 56K R7644 R7644
BASS BASS
UBASS UBASS
R7743 R7743 2.2K 2.2K 68K 68K
UJOGB UJOGB
R7742 R7742 2.2K 2.2K PERIODU PERIODU
UPERIOD UPERIOD
R7741 R7741 2.2K 2.2K MPXU MPXU
UMPX UMPX
R7639 R7639 2.2K 2.2K FTUNERSW FTUNERSW
R7739 R7739 2.2K 2.2K
UFTUNER UFTUNER
FTUNER FTUNER
R7738 R7738 2.2K 2.2K
UBUP UBUP
L7005 L7005
UAVREF UAVREF
QQL231K-4R7Y QQL231K-4R7Y
R7735 R7735 2.2K 2.2K TAPE1 TAPE1
UTAPE1 UTAPE1
R7734 R7734 2.2K 2.2K TAPE0 TAPE0
UTAPE0 UTAPE0
R7733 R7733 2.2K 2.2K
UKEY0 UKEY0
R7732 R7732 2.2K 2.2K
UKEY1 UKEY1
R7731 R7731 2.2K 2.2K SAFETY0 SAFETY0
USAFETY0 USAFETY0
C7003 C7003 0.01 0.01
FAUX FAUX
PBMUTE PBMUTE
R7614 R7614 10k 10k
R7429 R7429
R7629 R7629 10K 10K
91K 91K
R7628 R7628 82K 82K
R7625 R7625
82K 82K
IC703 IC703
Q7031 Q7031
2SA1037AK/RS/-X 2SA1037AK/RS/-X
L7002 L7002 D7001 D7001
QQL01BK-100Z QQL01BK-100Z
1SS254-T2 1SS254-T2
Q7051 Q7051
DTC114TK-X DTC114TK-X
Q7061 Q7061
C7051 C7051
2SC2412K/R/-X 2SC2412K/R/-X
RESTB RESTB
R7062 R7062
0.68/50 0.68/50
47K 47K
E
F
2-2
R8016 R8016
2.7K 2.7K
R8014 R8014
1.5K 1.5K
JOGA JOGA LOGA LOGA
JOGB JOGB LOGB LOGB
KEY1 KEY1
REST/CLOSE REST/CLOSE
Q7092 Q7092
R7096 R7096 R7095 R7095 D8101 D8101
R8101 R8101
1K 1K 33K 33K
2SA1037AK/RS/-X 2SA1037AK/RS/-X
STLED STLED
R8001 R8001 R8002 R8002
KEY0 KEY0
1K 1K 1K 1K
K7003 K7003
QQR0786-001Z QQR0786-001Z
US16V US16V
C7807 C7807
0.01 0.01
POUT POUT
SAFETY0 SAFETY0
FTUNER FTUNER
FCD FCD
SMUTE SMUTE
SBASS SBASS
BASS BASS
TRE TRE
VOL VOL
FAUX FAUX
PBMUTE PBMUTE
ANGND ANGND
TUR TUR
TUGND TUGND
TUL TUL
TU+B TU+B
VT VT
1SS254-T2 1SS254-T2
D7012 D7012
KIA78S06P-T KIA78S06P-T
TUNER SIGNAL
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
G
R8012 R8012
1K 1K
JS801 JS801
QSW0547-001 QSW0547-001
R8003 R8003 R8004 R8004
1.2K 1.2K
H
I