JVC KSAX-5700 Service manual
SCHEMATIC DIAGRAMS
POWER AMPLIFIER
KS-AX5700
CD-ROM No.SML200509
Area suffix
J ---------- Northern America
E ---------- Southern Europe
U ----------------- Other Areas
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
COPYRIGHT 2005 Victor Company of Japan, Limited.
2-1
2-2
2-8
No.MA195SCH
2005/9
Safety precaution
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Block diagram
LVA10587-A1 LVA10588-A1 LVA10588-A2
FRONT
INPUT
FRONT
HIGH INPUT
FRONT
SPEKER
OUTPUT
POWER
LVA10587-A2
D591
PROTECT LED
POWER LED
CN1
W591
SP OUT1+
SP OUT1-
SP OUT2+
SP OUT2-
PROTECTLED
POWERLED
IC1
CROSS OVER A
S1531
CN504 CN505
1CH OUT
1CH FLAT
2CH OUT
2CH FLAT
AMPRIFIER
T1
CROSS 1CH OUT
CROSS 2CH OUT
BH+
BHBL+
BL+15V
-15V
+MUTE
-MUTE
BASS BOOST A
BASS BOOST 1CH IN
BASS BOOST 2CH IN
1CH POWER IN
2CH POWER IN
+15V
-15V
D1922
FAN
CONNECTER
CN3CN101CN901J501
VP
THERMAL
LVA10588-A4LVA10588-A3
CN2
D1921
FAN POWER
2-1
Standard schematic diagrams
R
6
1
3
2ch Power supply section
QQR1664-001
L1
F1
QNG0059-001
F2
QNG0059-001
QNB0277-001
CN1
BGND
W311
QUB220-20DMHP-E
10k
R26
C62
C71
1.5/25
0.1
D1
C3
FMG-22R
3300/25
R1R2
1.5k
1.5k
2SA2054K/Q/-X
2SA2054K/Q/-X
Q1
2SC5734K/QR/-X
D3
1SS355-X
R4
39
Q2
Q3
R7
39
D4
1SS355-X
Q4
2SC5734K/QR/-X
R3
6.8
R5
R6
6.8
1
R32
Q15
FKV550N
4.7k
4.7k
1
R36
R8
R33
Q5
FKV550N
Q6
FKV550N
R37
1
1
TP3
R34
R38
1
FKV550N
FKV550NFKV550N
1
1
R35
Q7
Q17
FKV550N
Q8Q16
Q18
FKV550N
1
R39
C70
3300/25
C4
3300/25
C20
C6
R13
10
0.01
0.01
POWERGND
R42
D16
C33
10/50
R70
L9
QQR1277-001Z
0
R55
ICP-S1.2-X
R43
3.3k
D17
UDZS7.5B-X
3.3k
R44
F3
2SB1197K/QR/-X
R45
3.3k
UDZS15B-X
Q20
2SC3928A/R/-X
1.3k
Q19
2SC3928A/R/-X
2SA1530A/R/-X
TH4
QAD0164-222
R61
10k
10k
Q37
Q21
R46
4.7k
R62
C66
2SC5171
390
10/16
Q35
D9
QGA2001F1-03
C67
0.1
QGA2001F1-02
UDZS10B-X
CN2
2SC3928A/R/-X
CN3
TP20
Q22
C38
R47
0.1
R97
12k
12k
Q34
2SC3928A/R/-X
C50
Q23
2SC3928A/R/-X
12k
R41
C41
R40
0.1
4.7k
QQR1277-001Z
Q33
2SA1530A/R/-X
R98 R96
2.2k 10k
TP26
DCPROTECT
220/6.3
POWERGND
L8
R50
27k
R48
27k
R51
39k
C43
0.1
R65
6.8k
C39
27k
R53
1000p
1SS355-X
1SS355-X
1/50
4.7k
R76
C44
C55
22k
0.1
R67
4.7k
R66
16k
0.1
C52
0.01
Q28
2SA2054K/Q/-X
R87
10k
Q2
2SC
R69R68
27k12k
15k
R78
C47
TP22
C53
0.1
10k 100k
R59 R58
Q25
2SA1530A/R/-X
D18
1SS355-X
Q27
2SC3928A/R/-X
C45
D22
D23
C51
0.1
R75
2-2
L7
C
C64
0.01
L5
R15R16
22
C22 C8
1000p 1000p
C23
1000p
C9
1000p
22
FMG-32R
L6
QQR1277-001Z
R167
R25
120k
POWERGND
TH1TH2
QAD0070-222QAD0070-222
R86
220/6.3
D5
FMG-32S
D6
47K
1.2k
L2
QQR1277-001Z
C10C11
C24
5600/
C25
5600/
L3
QQR1277-001Z
Q134
2SK368/Y/-X
R83
1k
R84
15k
100
R30
D30
C12C13
5600/
5600/
560
470
D31
1SR156-400-X
R31
100
R85
1.2k
Q32
2SC3928A/R/-X
1SR156-400-X
R71
470
R17
560
R19R20
0.1/1000.1/100
10k10k
R22
R73
+MUTE
POWERGND
-MUTE
R72
180
Q31
R74
180
2SC5734K/QR/-X2SA2054K/Q/-X
R183
R184
VP
WJS0046-004A-E
W591
C14C15
Q135
Q136
D11
1SR156-400-X QQR1277-001Z
QQS0354-001
T1
R13
10
70
C20
0.01
C4
R50
27k
39
R53
27k
R67
4.7k
R66
16k
R69R68
27k12k
0.01
Q28
2SA2054K/Q/-X
R78
C6
0.01
R52
1k
R87
10k
Q26
2SC3928A/R/-X
15k
C47
10/50
IC1
uPC494GS-X
R79
47K
27k
C35
R49
47/25
TP24
+BL
IPROTECT
QQR1277-001Z
R80
220k
D27
1SS355-X
D19
1SR156-400-X
C49
0.01
TH3
NAD0035-471X
R60
220k
C54
00/25
00/25
.1
ICP-S1.2-X
Q9
2SC5171
Q30
2SK368/Y/-X
D7D8
10/5010/50
2SK368/Y/-X
Q10
2SA1930
47
C132
47
POWERLED
PROTECTLED
CGND
F4
C16C17
UDZS15B-XUDZS15B-X
F5
ICP-S1.2-X
R172
R173
100/16
R174
R175
10K10K
6.8k6.8k
10/5010/50
R176
R177
+15V
C18C19
0.10.1
33K
R178
Q130
R179
2SC3928A/R/-X
R160
Q131
POWERGND
2SA1530A/R/-X
33K
-15V
+BH
47K
D37
1SS355-X
1k
10k
C130
-BH
D591
SPR-39MVWF
C29C30
100/100
100/100
22K
R180
Q137
47K
R161
Q138
R185
22k
10/50
R186
2SC5734K/QR/-X
QGA2001F1-03
CN591
2SA2054K/Q/-X
22k
2SC3138/Y/-X
R181R182
C27C28
10K120K
R162
Q132
0.1/1000.1/100
56k
R164
R169
15K
C131
2.2k
POWERGND
-BH
R163
47k
R166
10
220/16
Q133
MUTE
-15V
+BH
+BL
-BL
2SA1255/Y/-X
2-3
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