Akai QX-3700, Service Manual

Page: 11 / 28

R710
180
W505
P505 P501
W501
R501
4K7
R503
4K7
R502
4K7
P700
P701
C730
152
L700 1.8uH
R724
100K
R712
100K
R713
100
R715
100
C707
10U
C706
10U
C715
100P
R711
68K
C703
10U
C702
10U
R705
10K
R706 10K
R707 6K8
C708
10U
C709
10U
R718 10K
R717 10K
R719 6K8
R716 6K8
C704
10U
R703 6K8
R702 5K6
C705
10U
R701 5K6
R700 6K8
N700A
N700B
R704
6K8
R714
8K2
C701
10U
C700 10U
R563
100
W100 P100
W500
W502
GT
GT
GT GT
GT GT
GT
GT
DGND
R604 10K R603 10K R602 10K
R601
10K
C717 100U
VD201
LED
VD203
LED
VD205
LED
VD202
LED
VD200
LED
VD207 IN4148
VD206 IN4148
W201 P201
C403
10U
C405 10U
C402
47U
R404
1K
C404
47U
R407
1K
C407
100P
R406
3K3
R405 3K3
C406
100P
C400
10U
C401
10U
R402
4K7 R403 100K R400 100K R401 4K7
C728
10U
C727 10U
N701B
JRC4558:A
N701A
JRC4558:A
C116
100U
R726 47K
R725 47K
C726
10U
C725 10U
R723
5K6
C722 104
C723 104
C721 104
C724
104
R722
5K6
C712
2U2
C714
272
C713
272
N702
PT2314
C719
2U2
C720
10U
C502
100P
R508
470K
R565 10K
C501
103
R208
100
RP200
EC-16B
R500
10K
C505
30P
C504
30P
X500
12MHZ
W104
P104
R307
220K
R306
68K
C303
220U
R304 15K
R305
39K
V302 C1815
V301
C1815
V300
A1015
C201
223
C200
223
R203
680
R200 680
R201
560
R202
560
P202
PHONES
C304 102 C305 102
VD300
IN4148
VD111
IN4148
W200
P200
C301
104
C302
104
R302
4.7
R303
4.7
L302
1UH
L301
1UH
R300
4.7
R301
4.7
C114
100U
C113 100U
VD112
12V
V102
2N5401
V101
C9014
V100
C9014
N104
L7805CV
N100
L7805CV
N101
L7808CV
N103
L7812CV
C53
100U/16V
C52
100U/25V
P101
W101
C125 104
C124
104
C123
1000U
C122
1000U
VD110
IN4001
C120
1000U/25V
C121
1000U/16V
C43
470U
C131
103
C130
103
VD107
IN4007
VD106
IN4007
VD105
IN4007
VD104
IN4007
C132
103
C133
103
C129
103
C128
103
C300
0.15K/250V
L300 UT-20
XP300
JK2
OT
IN
N102B
LM1876TFB
N102A
LM1876TFA
C718
22U
C711 104
C710 104
C716 104
VD113
BF40C6A
F101
F3.15A
F300
250V/T4A
F100
F3.15A
C106
2200U/25V
C107
2200U/25V
C137
104
C138
104
C108~C111
103X4
T01
P300
P301
W300
P102
W102
VD100
IN4007
VD101
IN4007
VD109
IN4007
VD108
IN4007
VD400 IN4007
VD102
IN4007
VD103
IN4007
C126
103
C127
103
C408
220U/35V
R408
100
R409
100
R410
10k
VD401
22V
VD402
5V1
C409
104
R111
10K
R112
100
R110
100
R106
470/3W
R107
100/3W
C115
220U/25V
C112
220U/25V
R108 3K3
C100
4U7
C101 4U7
R100
22K
R3
22K
C104 330P
R104
24K
W104 P104
C105 330P
R105
24K
R102
1K
R103
1K
C102
47u C103
47u
P503 W503
R512
4K7X8
R513
4K7X8
VD500
IN4148
C503
10U
C506
104
R509 22K
V503 C9014
V502
C9014
R564
22K
R560 33K
N502A
JRC4558
N502B
JRC4558
R561 22K
N400B
JRC4558:B
N400A
JRC4558:A
R220 150
K202
R222
18
R210 100 R205 100
K200
R209 100
K201
R204 100
V201
C9014
V202
C9014
V200
C9014
R206
33K
C205 104
R212
10K
R213
10K
R214
180
R207
1K
R211 33K
R215
180
C206
104
R216
180
R217
180
R218
180
R221
100
C203
104
C204
47U
C202
47P
VD600
IN4148
VD601
IN4148
VD603
IN4148
VD602
IN4148
AN
AN
AN
AN
AN
AN
AN
N601
24C02
VD204
LED
R720 47K
R721
47K
R709
68K
C729
100p R708 8K2
C731
10U
C732
10U
DG
N500
SYSTEM CONNECTION
CON26P
FROM
LCH AG RCH
+12V
OUTPUT
FROM
V DG
AG
V2 V1 R L
VIDEO OUT AUDIO OUT
TO VCD MPEG
DG
+8V
DG
+5V
HRS2H-S
RL300
6A/250V
TO TUNER
CLK
DO
DI
TUN
CE
TUN SW STB CLK
DI DO
K1
P17 P16 P15 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 F2 F2 F1 F1 P2 P1 G7 G6 G5 G4 G3 G2 G1
+5V
DGND
VOL2
VOL1
STAND
8
7
6
5
4
3
2
1
DG DG AG
7
6
5
3
2
1
4
8
BOUR BINR BOUL BINL LOUT
LIN
VCDR
VCDL
TUNL
AUXL
LOUL
TURN
AUXR LOUR ROUT RIN TRR TRL AGND VCC
REF
DI DO DG
R L
3
2
1
89C58
F2 F1 -21V 0V
RCH LCH SPEKEAR OUT
LIN LOUT AGND RIN ROUT
RL100
HRS2H-S
VCD
R L
R
L
TUNER
AUX IN
DI DO
+12 -12
RCH LCH GND
8
7
3 1
4
5
6
9
14
10
11
15
13
12
2
MUTE CONTROL
LIN
AGND
RIN +8V
DG DG
+5V
MUTE
+22V
-22V
LOUT
LGND
RGND
ROUT
+12V
DGND
CPU POWER
DGND
VCD
+5V -12V DGND +12V
P00
P01
P02
P03
P04
P05
P06
P07
P20
P21
P22
P23
P24
P25
P26
P27
ALE/P
PSEN
P10
P11
P12
P13
P14
P15
P16
P17
CE
MENU
REMIN
STB
VOL1
MUTE
STAN
REST
X2
GND
39
38
37
36
35
34
33
32
21
22
23
24
25
26
27
28
30
29
17
16
9
1
2
3
4
5
6
7
8
11
10
12
13
14
19
18
DO
STB
CLK
REM
DGND
15
VOL2
X1
20
31
VCC
+5V
SW
MENU
VOL1 VOL2
MUTE STAN
+8V
+5V
AG
RCH
LCH
-12V
+12V
REM
-21V
F1 F2 DG DG
FC-26P
CON26P2
IR200 1838
REM
GND
PT16311
N600
+5V
-21V
VDD
GR5
GR4
GR3
GR2
GR1
SW1 SW2 SW3 SW4 DO DI NC CLK STB K1 K2 K3 K4
KS12
KS1
KS2
KS3
KS4
KS5
KS6
KS7
KS8
KS9
KS10
KS11
GR8 GR7 GR6
SG20 SG19 SG18 SG13
VDD
SG17 SG16 SG15 SG14
LED5
LED4
LED3
LED2
LED1
OSC
GND
K4 K3 K2
KS5
KS4
KS2
KS1
K601
K600
K603
K606 K602
K605 K604
DI
DO
+5V
+5V
+5V
DG DG F2 F1 -V
+12V
-12V
L R
AG
+5V
+8V
STAN MUTE VOL2 VOL1
SW
AG DG DG
+5V
+5v
VFD600
25100-3A08
LEVEL
LEVEL
-12V
+12V
VCC
40
REMO
250V
250V
TO VCD MPEG
VI. Schematic Diagram
- 9 -
All manuals and user guides at all-guides.com
all-guides.com