JVC KD-G301 Service Manual page 34

Q Q
3 7 6 3 1 5 1 5 0
Standard schematic diagrams
Main amplifier section
TU1
QAU0313-001
J1 L1
QNB0100-002
4.7
C1
5P
C3
C2
0.047
C39
1000P
C36
7P
C38
TB2118F-X 1000P
IC31
C37
C35
10P
10P
Q4
2SB709A/R/-X
C40
10/16
R37 2.2K
R36 2.2K
R35 2.2K
R34
2.2K
C46 0.01
0.01
C47
R43 R44
470 220
C32 C50
47P 100P
R32
UN2211-X
6.2K
C33
C34 10
47/6.3
0.047
R31
Q31 100/10
C31
PLLDI
PLLCL
PLLDA
PLLCE
R52
15K
R54
10K
CD.R R51
470
A-GND Q52
CD.L 2SD601A/QR/-X
C53
9V T E
L 1 3 9 4 2 2 9 6 5 1 3
PSW
0.1
SW1
SW2
LM
C51
MSW
0.47/50
R53
(SHEET 2) CDON
10K
CD-RW
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
RST
SW5V
CD8V
Q773 R778 DIMMER_IN
4.7K
CDON
MUTE
DIMMER
CN701
QNZ0605-001
REMOCON
VOLDA
ACC5V
VOLCL
ILL10V
ENC1
ENC2
LCDCE
To CN601
LCDDA
LCDCL
(SHEET 3)
KEY2
BUCK
KEY1
CCE
KEY0
RST
BUS0
DIMMER
BUS1
BUS2
BUS3
C715 C714
0.1 CD-RW
0.1
C598
0.01
w w w
C186
1/50
C94 1/50 R91 10K
C84 1/50 R81 10K
Q73
2SD601A/QR/-X 2SD601A/QR/-X C185
1/50
C10
0.1/50
C82
Q1 0.001 Q2 C184
1/50
C92
0.001
C78
C7
0.1
C183
10P
1/50
Q72
UN2111-X
Q3
Q71
UN2111-X
UN2111-X
R5 R77
47k 100
C75
Q5 560P
C74
2SB624/4/-X C79
47/6.3
0.1
0.01
C73
R8
C76
0.022
47K
C72
47P
C77
2.2/50
C333
Q6
0.047
IC71
C71 C334
SAA6579T-X
82P
0.047
D241
R248 RB160M-30-X R244
12K
220 C242
R56
0.047
47K
Q241
2SD601A/QR/-X
R11
R58 10K
C54
0.01 47K
R55
R246
2.2K
22K
Q53 C243
Q7
UN2211-X 22/16
UN2211-X
R732
47K
VSS
R737
1K
R779
C713 10K
VDD
0.047
R739 47K
R740 47K
IC701
R741 47K
UPD784215AGC242
R742 47K
100
R743
R744 100
R754 0
R745 10K
R746 100
R747 100
100
R748
100
R752
47K
R749
IC702
VPP
IC-PST3433U-X
RESET
R703 47K
47K
R701
47K
R702
R704 47K
x a o
R706
y
10M
2.2K X1
R783
X701 X702
. i
CN702
QGA2006F1-02
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Q321 Q331
2SD1781K/QR/-X 2SD1781K/QR/-X
R163
2.2K
R162
22K
C163
0.22
C166
0.0056
C165
C167
0.033
4.7/25
C168
4.7/25
IC161
TEA6320T-X
C182 C178
1/50
4.7/25
C181 C177
1/50 4.7/25
R191
10
C191
C173
47/16
0.22
C194
0.01
R245
180K
C244
Q Q
3 7 6
Q781
1/50
UN2111-X
R247
47K
Q783
R891 R892
UN2111-X
47K
1K
C781
100/6.3
TELMUTE
C701
120P
IC703
BR24L16F-W-X
Q891
0.1
UN2211-X
C891
C771
0.047
47K
R762
10K
C712
R761 S701 100/10
QSW0451-001
R773 10K
TD
0.01
R728 2.2K LCDCE
C711
Q772
R727 2.2K LCDCL DIMMER_IN
R726 2.2K LCDDA
UN2111-X
0 I/O
R725
0.1
UN2211-X
4.7K SCK
R724 C776
Q771
R751 SO
4.7K R774
R723 4.7K SI
DIMMER
1K
R776
D904
RD C710
5.6K
MA111-X
0.047
SM
R722 10K
R721 10K SQ
CTRL
LEVEL
R720 10K
KEY2
R719 10K KEY1
R718 10K
KEY0
PS2
ENC2 Q901
R906
R717 10K
2SB709A/QR/-X
MUTE 8.2K
R716
4.7K
R715 4.7K Q902
UN2211-X
R714 4.7K
20K
R713
C904 C905 C906
220/10 10/16
220/10
2.2K
C709
47/6.3
u 1 6 3
MA111-X 1K
D784 R785
2-2
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2 4
8 9 9
J301
QNN0519-001
IC301
Q341
2SD1781K/QR/-X LA47515
Q351
2SD1781K/QR/-X
C352
R167
0.47 27K C332 R168
0.47 27K
C304 C305
C301 100/16 22/16
C310 C311
0.1 0.1
C342
R177
0.47
27K R178
C322 27K
0.47
R781
R782
47K 10K
D782
C784
4.7/25
MA111-X
C783
Q782
UN2211-X
0.082
0.047
C802 R802
100K R808
100K
R804
3 1 R801 5 100K 1 5 0 8 9 2
10K
R810
100
R806
22K
R805
100
R803
100K R809
R807
100K
IC801 100K
HD74HC126FP-X
J801
QNZ0095-001
D901
1N5401-TU-15
C901
L901
3300/16
QQR0703-001
C902
C903
0.1
47/16
D902
D903
RB160M-30-X
RB160M-30-X
R902 2.2K
R903 2.2K
IC901
AN80T07
R901
1K
CN901
QNZ0650-001
R904
9.1K
m
C907
2.2/50
c o
. Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
2
8 9 9
RL+
FL-
FL+
RL-
FR+
FR-
RR+
RR-
4 9 8 2 9 9
CH.L
CH.R
SHEET 1