JVC KS-AR7002J Service Manual page 20

Input/Cross-over/Front section
+15V
MC2838 or KDS184
D5
ICF3B
LINE OUT LCH
NJM2068
RL1 2.2K
RCA1
5
RL2
+
7
6
-
470
-15V
D6
+15V
MC2838 or KDS184
MC2838 or KDS184 104
D1 CHS5
D1
CF1A
RF1A
1 3
+
2 1
22K
3 2
10/16v
-
LOW INPUT NJM2068
RCA1 10/16v
ICF1A
FRO NT L I N
CF2A
RF2A
22K 22K RF4A
HI INPUT
H I1 CF5A
22/16V
RF6A
100P 100p
CF4A
RF3A
100p
CH1 100K
22K
RF5A CF3A
2.2K
RF7A
100K
CH2 22/16V
100P CF6A
1. 2V~12V
D2 D2
-15V
104
D5
220/16 D6 MC2836 or KDS181
CHS4
+15V
C1 MC2838 or KDS184
ICF3A
4.7K
R1 NJM2068 RR2 2.2K
RCA1
3
RR4
+
1
2
-
470
103 LINE OUT RCH
CG2
+15V
MC2838 or KDS184
MC2838 or KDS184
D3 D3
FRO NT R I N
CF1B
RF1B
1 5
+
2
22K
3 10/16v 6
-
LOW INPUT
RCA1
CF2B
RF2B
22K 22K
10/16v
D4
CK1 CK2 MC2836 or KDS181
47/16V 100p
-15V
D4
100p
HI INPUT RF3B
HI1 CF5B 22K CF3B
1. 2V~12V
22/16V
RF6B
100K
CH3
100P RF5B
2.2K
RF7B
100K
CH4
22/16V
100P
CF6B
RF13A 4.7K NJM2068
3
+
2
-
RF14A
0. 3V~6V
10K
VR2
2.2K NJM2068
1
C10KX2
3
+
1
RF9A
2
-
ICF5A
B20KX2
VR1
CF7A
47P CF9A RF15A
2.2/50V
RF11A 39K
RF10A
2.2K 470 RF16A
CF10A
47K
104
NJM2068
RF12A
2
RF8A 3
RF17A
47K
120K
45Hz 18dB BO0ST
+15V +15V
CFS3
+
47/16V
+ CFS2
47/16V
-15V -15V
RF13B 4.7K
5
+
6
-
0. 3V~6V RF14B
2.2K NJM2068 10K
5
+
VR2
7
C10KX2 1
RF9B 6
-
ICF5B
B20KX2
7 VR1
CF7B
NJM2068
IC1B 47P CF9B
RF15B
RF10B
2.2/50V
2.2K RF11A 22K
470
RF4B CF10B
47K
104
RF12A
6
CF4B
RF8B 5
47K RF17B
120K
45Hz 12dB BO0ST
10K
RS9A
4.7K RS11A
CS1A
47P
ICF6A
10K 10K RS3A
10K RS5A
ICS1A
1
NJM2068
ICS2A
RS4A
2 NJM2068
1 2
3 1
10k
3
3.9K
RS6A
CF8A
102
4.7K RS10A
3.9K RS2A 50Hz~400Hz
47K
+15V +15V
+ CS1
47/16V
ICF7A
1 + CS2
47/16V
-15V -15V
NJM2068
ICF6B
7
10K
RS9B
4.7K RS11B
CF8B 47P CS1B
102
10K 10K RS3B
10K RS5B
ICS1B
3.9K NJM2068 ICS2B
RS4B
NJM2068
6
7 6
5 7
RF16B 10k
5
3.9K
ICF7B
RS6B
NJM2068
RS10B
4.7K
7
50Hz~400Hz
RS2B
47K
22
RS17A
CS2A
CS4A
C50KX4
CS3A
C50KX4
VRS1 VRS1 VRS1
823
C50KX4 823 823
ICS3A
2 NJM2068 ICS4B
1 6 NJM2068 6
3 7
3
5 5
3 3
RS7A RS8A
3.9K 3.9K
56K 10K
RS14A
RS13A
ICS6B
10K
5
+
7 2
224 224 6
-
CS5A
CS6A 3
68K NJM2068
SUBSONI C RS12A
20Hz
10K
RX2
RX1
FRONT R OUT
6
7
10K 5
NJM2068
ICX1B
RS17B
CS3B CS4B
C50KX4
C50KX4
VRS1 VRS1
VRS1 823
C50KX4 823 823
ICS3B
NJM2068 ICS4A
6
7 2 NJM2068 2
5 1
3
3 3
3 3
RS8B
RS7B
3.9K 3.9K
56K 10K
RS13B
RS14B
10K
ICS6A
3
+
1 6
224 224
2
-
CS5B CS6B
5
68K NJM2068
SUBSONI C RS12B
20Hz
FULL
FRONT L OUT
HI
SW1
LOW
X- OVER
ICS5B
RS16A
NJM2068 47K
7
RS15A
ICS7A
NJM2068
1
FULL
22 HI
SW1
LOW
X- OVER
RS16B
47K
ICS5A
NJM2068
1
RS15B
ICS7B
NJM2068
7
2-3