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SCHEMATIC DIAGRAM (AMP for 750/ UK,XE)
SG491
L4960
L-R
Y
2012SGX
2.2U
CN490
MONITOR OUT
IC490
C4976
0.01
C4961
Y
22P
SH_GND
L4961
CN491
8
7
6
2.2U
C4965
R4923
SH_GND
10K
22P
Y
C4921
100P
L4962
C
2.2U
C4968
Y
C4977
22P
0.01
SH_GND
IC491
8
7
6
C4978
0.01
CN492
C4974
R4557
100P
39K
SH_GND
R
AUX_R
R4556
12K
C4975 R4507
100P 39K
L
AUX_L
R4506
12K
CN495
17
3.3V
17
3.3V
Q4906
V-SW
16
V_SW
KTD1304
D_GND
15
R4977
S-C
1K
14
S-C
R4907
6.8K
V_GND
13
R4906
S-Y
12
S-Y
4.7K
V_GND
11
R4978
7
6
1K
C-Y
10
C-Y
V_GND
9
Q4907
R4904
R4901
KTD1304
S-C/CB
8
S-C/CB
V_GND
7
R4966
39K
47K
10K
CD4066BCM
CD4066BCM
S-Y/CR
Q4512
6
S-Y/CR
Q4513
KTC3875
COMPOSITE
5
COMP
KTC3875
Q4510
Q4511
TV_L_CH
4
TV_L
KTC3875
KTC3875
A_GND
3
8
9
TV_R_CH
2
TV_R
Q4514
R4968
KRA107S
SW-V
1
39K
+12V
DVD-PO
FUNCTION
Q4504
KTD1304
DVD
10K
TV
47K
AUX
Q4951
KRC107S
TUNER
Q4503
KTD1304
1
2
3
4
5
6
7
8
FUNCTION
IC450
CD4052BCM
3.3V
3.3V
C4500
5Va
4.7/50
5V
A_GND
R4511
16 15 14 13 12 11 10 9
DVD_9V
Q4501
15K
9V
KRC107S
D_GND
47K
DAC_5V
R4512
5V
100K
10K
5Vd
D5V
V_GND
Q4500
V_SW
V_SW
KRC107S
C-Y
47K
C-Y
S-C/CB
S-C/CB
10K
S-Y/CR
S-Y/CR
COMPOSITE
COMP
C4501
0.01
SUBWOOFER
SUBW
SUBWOOFER
C4980
10/50
CENTER
CENT
C
C4981
10/50
R4305
47K
SURROUND-R
SR_R
SURR-R
C4982
10/50
SURROUND-L
Q4302
SR_L
SURR-L
KTC3875
R4306
C4983
10/50
100K
FRONT-R
FR_R
FRONT-R
C4984
10/50
C4303
FRONT-L
0.01
FR_L
FRONT-L
C4985
10/50
REQUEST
REQUEST
1
SEL0
DVD-MUTE
D-MUTE
2
SHIFT
DVD-CLOCK
DVD-CLK
DVD-DATA-OUT
3
ROM_CLK
DVD-DO
DVD-DATA-IN
4
ROM_DATA
DVD-DI
READY
R4303
100K
READY
5
VSEL_A
R4304
100K
16
LED-5.6V
16
+5.6V
6
VSEL_B
R4334
RESET
15
15
RESET
R4324
100K
0
7
PRO-3dB
14
STANDBY-LED
14
STANDBY
13
KEY0
13
KEY0
READY
8
DVD_RDY
IR
12
12
IR
DVD-CLK
9
DVD_CLK
11
STB
11
R4331
R4332
DRV-STB
DVD-DI
10
DVD_D_OUT
10
VFD-CLK
10
DRV-CLK
4.7K
0
DATA-OUT
9
9
DRV-DI
DVD-DO
11
DVD_D_IN
8
DATA-IN
8
DRV-DO
DRV-STB
12
6315_STB
R4360
1K
7
JOG-DOWN
7
JOG_DN
R4361
1K
13
6315_CLK
DRV-CLK
6
JOG-UP
6
JOG_UP
5
DRIVER 5V
5
14
6315_OUT
DR-5V
DRV-DO
4
GND
4
15
DRV-DI
3
-30V
3
-30V
16
2
FL1
2
REQUEST
FL1
1
FL2
1
FL2
16
CN496
11
+12V
1
+12V
IR
10
5.6V
2
+5.6V
R4371
R4374
9
TU-R
3
TU-R
100
0
8
A-GND
4
7
TU-L
5
TU-L
R4372
R4375
6
TU_DO
6
TU_DO
*
*
TU_CE
5
7
TU_CE
4
TU_DATA
8
TU_DATA
3
TU_CLK
9
TU_CLK
SH401
LUG03
LUG04 LUG05 LUG06
LUG09
LUG10
RDS
2
10
RDS_IN
1
1
1
1
1
1
1
1
DIST
11
TU_DIST
CN497
11
TUNER PWB
CN499
1
TO CN202
1AD4W30B45100
This is a basic schematic diagram.
L/R-BUFFER
IC460
KIA4558F
KIA4558F
KIA4558F
KIA4558F
5
4
3
2
1
8
7
6
5
4
3
2
1
R4931
C4600
C4601
22K
100P
100P
R4611
12K
Q4920
R4603
KTD1304
12K
D4580
Q4921
MTZJ5.6B
KRA107S
SL/SR-BUFFER
KIA4558F
KIA4558F
IC470
KIA4558F
KIA4558F
5
4
3
2
1
8
7
6
5
4
3
2
1
C4700
C4701
100P
100P
R4711
12K
R4703
12K
VI-R
C4585
4700P
C4587
C/SW-BUFFER
MATRIX SURROUND
10/50
/OFF
IC480
KIA4558F
KIA4558F
R4962
6.8K
VI-SW
Q4902
R4905
KRC107S
10K
5
4
3
2
1
8
7
6
5
4
3
2
1
C4801
C4800
100P
0.1
IC493
R4811
VI-C
R4803
6.8K
12K
VI-SL
Q4905
10
11
12
13
14
KRA107S
VI-SR
R4964
R4902
6.8K
10K
R4903
KRC107S
3.3K
Q4911
A
B
L
L
L
H
H
L
H
H
1
2
3
4
IC495
KIA4558F
8
7
6
5
L4300
10U
R4301
47K
R4302
4.7K
D4300
MPG06G
Q4300
KTA1271
R4315
Q4101
4.7K
KRC107S
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
C4313
1000P
10K
R4320
48
KEY0
10K
47
0/5.0
C4315
46
TU_CE
1000P
KEY0
KEY1
TU_DATA
45
TU_DATA
L4104
TU_CE
10u
TU_CLK
44
TU_CLK
TU_DO
43
TU_DO
RDS_IN
42
RDS_IN
IC430
TU_DIST
41
TU_DIST
M3803*M*
FUNC_A
40
FUNC_A
MICON
FUNC_B
39
FUNC_B
1150_SCL
38
VOL_SCL
R4325
1K
1150_SDA
37
VOL_SDA
MATRIX_SUR
36
MTRX-CONT
6315_IN
DVD_STB
WOOFER
35
R4321
FR_HPF
34
100K
HPF
SELECTION
BASS
33
BASS
L
24H
SEL_0
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
H
12H
L
TV
SEL_1
H
VIDEO2
L
W-KARAOKE
SEL_2
X4301
C4309
47P
H
W/O-KARAOKE
8MHz
L
W-ECO
P
P
SEL_3
H
W/O-ECO
X4300
32.768kHz
- 48 -
JCX-TS750
L/R-BUFFER
IC461
KIA4558F
KIA4558F
AMP SECTION
-7V
PR450
+7V
8
7
6
5
4
3
2
1
200
+12V
C4622
C4623
R4631
R4623
47P
47P
39K
PR451
39K
200
-12V
10K
10K
47K
47K
D4581
D4582
Q4620
Q4621
MTZJ7.5B
MTZJ7.5B
KRC107S
KRC107S
SL/SR-BUFFER
IC471
KIA4558F
KIA4558F
GND
-VCC
+VCC
LTIN
VI-L
8
7
6
5
4
3
2
1
VDD
LTOUR
C4720
C4721
R4731
100P
R4723
100P
C4580
22K
22K
4700P
RTIN
LTC
RTOUT
LBC1
RTC
LBC2
RBC1
LBC3
C4582
10/50
RBC2
LOUT
VO-SW
C/SW-BUFFER
RBC3
ROUT
VO-R
IC481
KIA4558F
KIA4558F
LIN
COUT
VO-C
8
7
6
5
4
3
2
1
RIN
SLOUT
VO-SL
C4821
C4820
R4823
100P
0.068
22K
CIN
SROUT
VO-SR
R4831
10K
SLIN
SWOUT
VO-L
R4833
100K
SRIN
SDA
VOL_SDA
C4583
100P
10K
R4593
1K
SWIN
SCL
VOL_SCL
C4584
100P
47K
Q4848
KRC107S
SW-POWER
IC483
LM3876TF
11
10
9
8
7
6
5
4
3
2
C4862
R4848
47K
100P
C4845
3P
C4860
C4865
2.2/50
2.2/50
Q4844
KRC107S
R4861
47K
P
10K
Q4846
47K
KRC107S
5V REG
DAC 5V
9V REG
IC412
IC410
PQ1CG21H2RZ
IC411
PQ1CG21H2RZ
KA7805R
2.4/0
0
5.0/0
25.0
2.4/0
0
9.0/0
25.0
5.0/0
5.0/0
0
9.0/0
9.0/0
5
4
3
2
1
3
2
1
5
4
3
2
1
Q4103
CONT
REF
GND
OUT
IN
OUT
IN
CONT
REF
GND
OUT
IN
P
KRC107S
P
P
P
10K
P
47K
47K
0/5.0
0
0
L4100
210u
R4113 C4131
L4103
R4105
C4122
10
100P
210u
10
100P
P
P
10K
Q4102
KRC107S
DR-5V
47K
R4150
33K
DGND VGND
GDAC
MDGND
A.GND
PR412
200
[CARBON
1/4W]
PR410
PR411
D4107
D4109
MPG06G
MPG06G
D4110 D4111
MPG06GMPG06G
[SPR2W]
L/R-POWER
IC462
LM1876TF
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C4660
C4661
R4648
22K
100P
100P
C4645
3P
KTD1304
R4649
22K
Q4641
C4646
3P
R4643
100
Q4640
KTD1304
SL/SR-POWER
IC472
LM1876TF
L4750
0.7U
R4758
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
10
R4759
C4761
10
C4760
100P
R4748
22K
100P
L4751
0.7U
C4745
3P
KTD1304
R4749
22K
Q4741
C4746
3P
C4747
0.022
R4743
100
C4755
33/35
Q4740
[MV-WX]
KTD1304
P
P
C-POWER
IC482
LM4700TF
11
10
9
8
7
6
5
4
3
2
1
C4863
100P
R4849
22K
Q4882
*
KTD1304
Q4841
C4846
3P
NO MOUNT
R4866
PR420
R4213
*
125
18
NO MOUNT
+12V
R4843
[CARBON
100
1/4W]
D4201
R4215
1SS133
1K
FAN
Q4840
KTD1304
1
Q4207
Q4208
Q4209
Q4880
R4882
KTC3875
KTC3875
KTC3199
*
*
R4211
4.7K
Q4881
Q4203
*
KTC3875
NO MOUNT
P
Q4206
KRC107S
Q4204
KRC107S
KTC3875
10K
10K
10K
Q4201
47K
47K
47K
HP-L
[SPR1W]
HP_L
R4050
GND
330
HP-R
HP_R
HP-MT
R4051
330
R4201
MUTE
HP-IN
[SPR1W]
27K
HP-IN
Y
CN413
05
L4050
10U
1AD4B10D1140D
KIA7805API
IC402
IC401
PR400
KA78R12STU
200
OUT
GND
IN
CONT
GND
OUT
IN
1
2
3
4
3
2
1
CN401
GND
10
GND
V-CHK
V-CHK
MICON+5V
+5.6V
-12V
-12V
-12V
+12V
+12V
+12V
Q4001
-VL
D4007
Q4002
KTA1267
-VL
D4009
1SS133
MPG06G
KTA1267
+VL
+VL
+VL
T4000
R4004
D4006
P-RELAY
P-CON
P-CON
10K
MPG06G
P-RELAY
10
MTZJ3.9B
CN412
D4005
R4002
Q4000
2.2K
KTC3199
CN410
CN402
05
02
7A
FU401
T1A L 250V
7A
1AD0B10D1141C
R
ELECTRIC CAPACITOR
R4115
6.8
04
CN411
PT401
- 49 -
CN470
L-CH
C4670
0.01
R-CH
C4671
0.01
SL-CH
[SPR1W]
C4770
SH_GND
[SPR1W]
0.01
SR-CH
C4771
0.01
C-CH
C4870
0.01
SW-CH
SPEAKER
OUTPUT
SH_GND
FAN
02
CN420
PRODUCT SAFETY
NOTICE
Each precaution in this
m a n u a l s h o u l d b e
f o l l o w e d
d u r i n g
servicing. Components
identified with the IEC
CN407
symbol
in the parts
Y
! ! !
list and the schematic
Y
diagram designated
HEAD
PHONE
components in which
safety can be of special
C4053
100P
s i g n i f i c a n c e . W h e n
replacing a component
identified by
! ! !
, use
only the replacement
parts designated, or
parts with the same
ratings of resistance,
R4015
3.3K
wattage or voltage that
[1/4W
CARBON]
are designated in the
Q4007
KTA1267
parts list in this manual.
L e a k a g e - c u r r e n t o r
r e s i s t a n c e
WR402
measurements must be
made to determine that
e x p o s e d p a r t s a r e
WR401
acceptably insulated
from the supply circuit
before returning the
product to the customer.
;1/4J
;E
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