JVC TH-L1A Service Manual page 42

Audio/Video section
C2600
J2600
1/10
QND0156-001
R2601
5 NC 6 75
Y C
3 4
1 2
C2601
0.01/50
R2600
75
VIDEO IN
(S-VIDEO/
C2604
COMPOSITE)
7
CV
1/10
8
9
R2609 IC253
C2611
36k KIA4558F-X
6.1V
8
0.1/50
5 12.1V C2615
6.1V
7
C2614
4 4.7/50
100/16 6
0V
R2603
6.0V
# 30k
AUX 2 C2606
L-IN
4.7/50
IN
3
J2601
QNN0814-001
1 R2610
R-IN C2609
36k C2617
R2604 4.7/50
30k
C2612
C2610 0.1/50
IC253
0.1 D2601
KIA4558F-X
MA111-X
6.0V
C2616
3
1
6.1V
GND # FOR B,E,EN,
2 6.1V 4.7/50
EV,EE ONLY
AGND
NI
D5.6V
12V
D3.3V
DGND
IPOD5.6V
IPODGND
C3135
NI
C3138
47/10
C3139
C3154 47/10
47p
NI
C3156
0.047
C3102
0.01/50
C3140
J3100
NNZ0177-001X 47/10
C3141
NC 1
47/10
DGND 8
C3155
47p
K3100
CV 2
NQR0007-002X
OUTL 9
C3106 K3101
Y 3
0.1 NI NQR0007-002X
AUDIO RETURN 10
C3107
K3102
C 4 0.1 NI NQR0007-002X
IPOD
OUTR 11 K3103
NQR0339-002X
USB PWR 5
K3104 C3115
NQR0339-002X
100p
DGSEN 12
K3105 C3126
NQR0007-002X 10/50
TX 6
K3106 R3103
SHELL GND 13 NQR0007-002X
1k
RX 7
R3127
SHELL GND 14 C3113
100k
0.1 C3127
K3107 10/50
NQR0339-002X
R3119
K3108
470
NQR0007-002X
C3128
0.047
R3128
100k
C3121
10/50
*
C3122
10/50
* FOR K3100-K3108
IC310
GND K3200-K3202
USE NRSA63J-0R0X KIA4558F-X
D3200
NI
2
1
J3200
QNZ0938-001
3 R3200
0
K3200
NQR0022-002X
C3204
2200/6.3
K3201
USB NQR0022-002X
K3202
NQR0502-001X
*
C3206
NI
CN320
C3205
QGA2001C1-05
3 2 1 NI
VBUS 5.1V
EP450 1
D-
QNZ0136-001Z 0V
2 1 2
NI
D+ 3.0V
LF320
3
NQR0506-002X
GND
4 4 3
0V
5
DG_SENS
DG_SENS
SW1
SW1
SW2
SW2
SW3
SW3
TX
TX
RX
RX
DSPRX
DSPRX
AUX1
J2700
QNN0828-001
R2700 R2701
180k 180k
C2700 C2701
# FOR B,E,EN,
EV,EE ONLY
330p/50 330p/50
IC263
MM1503XN-X
C2618
R2702
NI
SW IN1 R2703
30k
0V 30k
1.9V
OUT GND
1.1V 0V
VCC IN2
C2619
4.9V 2.0V
NI C2702 C2703
4.7/50
IC262 4.7/50
MM1501XN-X
IC273
SW IN1
0V 2.8V KIA4558F-X
OUT GND
C2713
2.0V 0V 6.1V 8
4.7/50 C2716
VCC IN2 5
12.1V
4.7/50
4.9V 2.8V
IC261
7
MM1503XN-X 6.0V 6.0V
C2613 4
6
0.1/50 0V
C2620
NI
SW IN1
0V 1.9V
IC273
OUT GND 6.0V C2715
KIA4558F-X
1.1V 0V 3 6.1V 4.7/50
VCC IN2
4.9V 1.9V C2621 1
NI
6.0V
2
C2714
4.7/50
C2708
C2709 47/25
0.1/50
R2717
75k
R2718 75k
R2719
75k
R2720
75k
R2721 75k
R3140
0
L3100
IC311 IC270
QQL25CK-221Y
NJM2717M-X KIA431A-T
C3144 10p
R3132 510 Y0 VDD
R3130 6.0V 12.1V
1k
6.1V 8 R3138 Y2 X2
12.1V
5 10k 6.1V 6.0V
C3142 6.1V Y X1
6.0V
10p 6.1V
7
6.1V C3152 Y3 X
4
6 R3133 6.0V 6.1V
0V 1/16
R3131 Y1 X0
1k 510
6.0V 6.0V
R3141 470 C3145 10p INH X3
0V 6.0V
C3146 10p C3150 VEE A
NI 0V 12.0V
VSS B
NI
R3136 510 0V 12.0V
R3134
C3151
1k 6.1V
IC311 NI
3 NJM2717M-X
C3143
10p 1
6.1V 6.1V
C3153
2
R3135 1/16
R3137 510
1k
C3147
10p
C3136
100p
R3125
R3124 11.9V
100
10k
IC310 R3122 C3132
Q2700 0V
KIA4558F-X 33k 10/50
RT1N141C-X
R3121
0V
22k
6.1V 8
C3130
5 12.1V
C3125
10p 7
6.1V 10/50
6.0V 4
6
0V Q2701
R3120
RT1N141C-X
22k R3126
R3123 33k C3131
10/50
10k
C3129
100p
IC272
6.0V
3 KIA4558F-X
6.1V
C3137 100p 1
6.0V
2
R2722
R3118 33k
0
R3115
22k R2723
6.1V
3
6.0V
C3120 NI
C2711
10p 1
NI
2 C3124
10/50
R3116 6.0V
12.1V
22k R3117
IC272
33k
6.0V 8
KIA4558F-X
5
6.1V
C3123
7
6.0V
4
100p 6
0V
R2724
R2725 0
NI
C2712
NI
R3300
3.4V OPT IN1
0
0V
R3304
3.4V
0
J3300
GP1FMV31RK0F
C3302
47/25
C3303
IC330
0.1/50
TC74VHC08FT-K-X
IC331
TC74VHC32FT-K-X
0.6V R3303
0
0V
0V
0.6V 3.4V
0.6V 0V
0.6V 0V
3.4V
0V
0.6V
3.4V
0V
0.6V 3.1V
0.6V 0V
0V 0.6V
0.6V 0V
0V
R3302
R3301
0
0
C3301
0.1
OPT IN2
1 2 3
J3301
GP1FAV30RK0F
AUX2
COMP OUT
C2803 C2806
C2800
47p 47p
47p
NI NI NI
R2704 R2705
180k
180k
C2704 C2705
330p/50
330p/50
R2801 R2802
75
75
R2800
75
R2706 R2707
30k 30k
C2706 C2707 C2802 C2804 C2807 C2808
C2801 C2805
4.7/50 4.7/50 0.01
0.01 22/50 100/16
470/6.3 470/6.3
IC274
KIA4558F-X
8
12.1V 5
6.1V
6.0V
7
6.1V
4
6
0V
6.1V
3
6.0V
1
IC283
6.1V
2 NJM2580M-X
C2832 10/50
IC274 C2826
1/10
KIA4558F-X C2833
VIN1 V*1
0.01/50
10/50 2.6V 4.9V
C2834
GND1 VOUT1
0V 2.4V
C2835
VIN2 V*2
0.01/50 4.9V
10/50 2.5V
C2836
GND2 VOUT2
0V
2.4V
VIN3 V*3
2.1V 4.9V
C2837
GND3 VOUT3
0.01/50
0V 2.3V
P.SAVE VSAG
2.9V 2.2V
R2821
10k
PROUT
Y/G
PBOUT
V2
B
11.9V
0V A
IC291 C2910
MM1228XF-X 47/25
0V
C2907
C2909
IN1 GND
0V
V3 1.3V
1/10 0.1/50
SW1 OUT
C2908
3.1V 2.1V
IN2 VCC
1.2V
OUTR V4 1/10 4.9V
SW2 IN3
0V
1.3V
OUT1
C2911
1/10
OUTL
V2
C3025
IC304
0.01/50 NJM2587V-X
C3013
C3034 100/16 R3015
VCC YOUT
4.9v 1.4V 75 1/10
C3026 NC YSAG
C3027 C3033 22/50
Y 1/10 1.4V
10/50 YIN V+2 C3032 100/16
1.6V 4.9V R3014
C3028
VREF VOUT YOUT
0.1
C 1.8V 1.4V 75
C3029
CIN VSAG
1.4V C3031 22/50
0.1 GND GND
0v C3030 R3011
0v
P.SAVE COUT
R3010 10k 1.3V 0V 75
100/16
V3
V4
V3
COUT
TO MICON
C2810
1/10
R2803
75
IC280
NJM2584AM-X
IN1B IN1A
2.9V 2.9V
NC GND
0V
C2812
OUT1 IN2B 1/10
C2821 2.1V
2.9V R2804
GND V+ 75
1/10
0V 4.9V
OUT2 CTL
2.1V 0V
OUT3 IN2A
C2822 0.8V 2.9V
1/10 NC GND
0V
IN3A IN3B
1.7V 1.7V R2810
1M
C2847 R2811 1M C2814
NI C2824 C2825
47/25 1/10
0.1/50 R2805
75
C2823
1/10
C2816
IC281
1/10
NJM2584AM-X R2806
75
IN1B IN1A
2.9V 2.9V
NC GND
0V
OUT1 IN2B C2818 1/10
2.1V
2.9V
GND V+
4.9V
0V
R2807
OUT2 CTL
2.1V 3.1V 75
OUT3 IN2A
1.2V 2.9V
NC GND
0V
IN3A IN3B
2.0V
1.7V
R2812
1M C2820 1/10
C2831
C2829 C2830
47/25 0.1/50 1/10
R2813
R2809
1M
75
C2827
1/10
C2901 R2900
470/6.3 75
NI
C2900
47p
IC290
R2901 C2902
MM1503XN-X
75
47p
C2904
1/10 NI
SW IN1
0V 2.0V
OUT GND
0V
1.2V
VCC IN2
4.9V 2.0V
C2905
1/10 NI
R2902
C2912
C2903
2.2
75 47p
C2906
0.1/50
C3000
IC300 1/10
MM1501XN-X
R3000
75
C3002
SW IN1
0.01/50
0V 2.8V
OUT GND
2.0V 0V
VCC IN2
NI
R3001
4.9V 2.8V C3001
75
47p
C3012
0.1/50
IC301
MM1228XF-X
IN1 GND
1.3V 0V
SW1 OUT
C3017
3.1V 2.0V
IN2 VCC
1.6V 4.9V 47/25 C3004
SW2 IN3
1.3V 1/10
0V
C3015 R3002
C3016 75
1/10 0.1/50
C3006
IC302
MM1503XN-X 0.01/50
NI
R3003 C3005
SW IN1
75 47p
0V 1.9V
OUT GND
1.1V 0V
VCC IN2
4.9V 1.9V
C3018
0.1/50
R3004
75
C3008
IC303
MM1224XF-E-X
470/10
C3019
0.01
IN1 GND
0V
2.2V
SW1 OUT
C3020 0.01 3.1V 2.9V
R3005
IN2 VCC
C3010 75
2.2V 4.9V
C3023 0.01/50
SW2 IN3
0V 2.2V
C3022
47/25 0.1/50
C3021
0.01/50
NOTES:
1.VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER
OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CONDITION POWER-ON. SOUCE:USB STOP.
2.UNLESS OTHERWISE SPECIFIED.
ALL RESISTANCE VALUES ARE IN OHMS.
ALL INDUCTANCE VALUES ARE IN H.
ALL CAPACITANCE VALUES ARE IN F .
J2800
QNN0782-001
6 Pr
8
C2809
47p
NI
COMP IN1
5 Pb
8
C2811
47p
NI
7 Y
C2813 8
47p
NI
2 Pr J2800
QNN0782-001
4
C2815
47p
NI
1
Pb
COMP IN2
4
C2817
47p
NI
3 Y
4
C2819
47p
NI
GND
J2900
15
CV
CV OUT
16
9
7 CV CV IN2
J3000
8
9
7
J3000
8 CV
CV IN1
13 NC 14
C Y
12 11 S VIDEO IN1
10 9
NI
C3003 J3000
47p
QNN0570-001
5 NC 6
C Y
4 3 S VIDEO IN2
2 1
NI
C3007
47p
J3000
QNN0570-001
5 NC 6
C Y
4 3 S VIDEO OUT
2 1
J2900
QNN0557-002
3."NI" MARKING IS PART NOT USED.
1/16W .
P IS pF.
2-5