Ux-A52 - JVC UX-A52 Service Manual

Standard schematic diagrams
Main & control circuit
6
5
R2715
R2714
R2713
4
IC704
LB1641
UNLOAD
LOAD
MTR-
MTR+
3
CDTXD
CDRXD
MRDY
KLCK
R2138
MCS
10K
CDRST%
LOCK
TX
2
RMT1
RMT0
K3003
NQR0428-002X
1
C2604
470P
CN712
QGB2510J1-12
A
B
D2723 D2724 D2725 D2726
CN906
FW907 QUM024-10DGZ3 QGD2504C1-04Z
SW201
QSW0803-001
SW202
QSW0933-001
CN909
QGB2024J1-20S
CN709
QGB2024K1-20S
BCOL
1K
R2083 10K
BLUE
GCOL
1K
GREEN
RCOL
1K
RED
R2100 2.2K
CDMUTE
R2001 1K
RDSDATA
10K
R2002 MPX%
2.2K
R2003 TUST
R2005 2.2K
FTUNER
R2006 2.2K FCD
IC701
R2007 2.2K
PBMUTE
UPD784214AGF527
R2008 10K
PIN
R2009 2.2K
LEDCTL
BUZZER
R2010 2.2K
KARAOKE
R2092 1K
R2011
ECHO
47K 15K
R2012
SMUTE
R2093 R2622 2.2k
TUNERPOUT
47K
C2861
R2015 1K
POUT
0.01 R2016 10K
R2017 10K
R2863 UP
R2018 2.2K
RMT0
10K
R2864 R2019 2.2K
RMT1
10K R2020 10K
MIDDLE
R2021 10K
DOWN
TLMT-
TLMT+ 1K
R2023
VOLCK
1K
R2024
VOLCE
R2865
10K
R2866
10K
C2001 0.01
C2002 0.01
IC703
LB1641
MOTOR+
MOTOR-
C2852
0.01
X2701
QAX0283-001Z
X2702
QAX0401-001
D
C

UX-A52

UX-A52
IC901
GP1UM271XK
C2904
CS
100P
C2909 SDA
100P
SCL
C2908 RS
100P
C2907 RESET
100P
VDD
C1+
D2731 D2732
C1-
V5OUT
J2003
VSS GP1FA550TZ
V5
CN918
QGF1016F1-14
CN908
QGF1016F1-14
2.2K
2.2K
R2099 TLMT+
2.2K
TLMT-
R2098 2.2K
C2010 100P
LOAD
R2097 2.2K
UNLOAD 100P
R2089 2.2K C2009
R2061
TUCK 2.2K TUCK
R2060 2.2K TUDATA R2088
TUDATA
100K
2.2K
R2057 2.2K C2015 VOLCK
GCOL
47/10 R2505
R2062 1K CDRST%
CDRST%
CDTXD
R2064 1K
CDTXD 100P
C2011
R2066 1K CDRXD
CDRXD
R2624
BCOL
BCOL R2052 2.2K
RCOL
RCOL R2051 2.2K
VOLDA
R2050 2.2K
VOLCE
R2048 2.2K R2047
KEY1
10K R2049
R2046 2.2K
FKEY2
10K
R2045
R2044 2.2K
FKEY1
10K
R2043 2.2K
LOCK
R2042 2.2K
SAFETY3
R2041 2.2K
SAFETY2
AVREF
R2237
R2235
51K
K2002
QQR0621-001Z
K2001
QQR0621-001Z
L2002 D2705
QQL244K-100Z
KTA1504/GR/-X
Q2703
C2714
4.7/50
Q2704
R2708
10K
Q2705
R2711
47K
CN711
QGB2510J1-12
E
F
2-2
R2620
82
R2621
82
R2231
1.8K
R2206
15K
R2226
R2106
15K
R2225
0.012
C2211
Q2403
IC702 KTC3875/GR/-X
R2416
LC75345M-X
82K
C2404
0.01
0.012
C2119
R2415 R2417 R2418
82K 390K 100K
R2137
15K
D2201 15K
D2202 R2135
120K
R2134
R2234
10K 10K
Q2203
KTC3875/GR/-X
1000p
C2750
DGND
BUZZER
FKEY1
FKEY2
PIN% PIN%
R2601 R2602 R2603 R2604 R2605 R2606
1K 1K 1.2K 1.5K 2.2K 2.7K
R2608 R2609 R2610 R2611 R2612
1K 1K 1.2K 1.5K
2.2K
G
CN701
QGF1205C1-13
C2114 C2214
0.0082 0.0082
R2111 R2211
6.8K 6.8K
D2046
R2411
5.6
R2205
PBR
4.7K
R2105
PBL
4.7K
SW10V
R2208
RECR
R2209
1.8K
R2108 1.8K
RECL
R2109
1.8K
1.8K
R2407
3.3K
R2408
3.9K
PLAY
KEY1
SAFETY1
SCK
SDATA
STTA
R2203
39K
J2001
R2103
39K
C2453 0.01
D2451
D2452
R2607 R2617
5.6K
3.9K
R2613
2.7K
BZ201
QAN0045-001
H
I