Video Section - JVC DD-8E Service Manual

Video section

LVA10678-A2
CN601
QGF1036C2-07
AUDIO_R_IN 7
AGND 6
5
AUDIO_L_IN
+12V 4
VS3 3
VS1 2
BLANK 1
CN603
QGF1036C2-19
A5V 19
VGND 18
C 17
VGND 16
V 15
14
VGND
Y1 13
VGND 12
Y2-G 11
VGND 10
CB-B 9
VGND 8
CR-R-C 7
VGND 6
V_MUTE1 5
V_YCMIX 4
3
V_LPF
V_RGB 2
V_MUTE2 1
L6001
QQL25CK-221Z
220u
C6001
470/10
VIDEO DRIVER
IC601 MM1623XF-X
C6002
0.1/16
VCC VCC
5.4V 5.4V
C6221
C IN
S-DC OUT
2.6V
0.01/50
V_MUTE1 C OUT
MUTE1 SW
4.6V 2.6V
C6201
CV IN
S1
1.7V
1/6.3
L H
V_YCMIX
YC MIX SW S2
0V
C6211
Y1 IN CV OUT
1.7V 2.1V
1/6.3
GND GND
C6003 0V 0V
22/50
Y1 OUT
BIAS
2.6V 2.1V
V_LPF Y2 OUT
LPF SW
4.6V 2.6V
C6231
Y2 IN
GND
2.6V 0V
1/6.3
V_RGB Cb OUT
RGB SW
4.6V 2.6V
C6241
Cb IN
GND
2.6V 0V
1/6.3
V_MUTE2 Cr OUT
MUTE2 SW
4.6V 2.6V
C6251
Cr IN
GND
2.6V 0V
1/6.3
NOTES:
1.VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER
OR OSCILLOSCOPE WITHOUT INPUT SIGNAL.
CONDITION POWER-ON. SOURCE:DVD/CD.DVD STOP.
2.UNLESS OTHERWISE SPECIFIED.
ALL RESISTANCE VALUES ARE IN OHMS. 1/16W, 5%.
ALL INDUCTANCE VALUES ARE IN H. u IS uH.
ALL CAPACITANCE VALUES ARE IN F. P IS pF.
3. "NI" MARKING PART IS NOT USED.
R6455 2k
1/4W
R6456 2k
1/4W
11.6V
0V
Q6454
KRC102S-X 0V
5.6V
0V
4.3V
Q6452
KRC102S-X 0V
C6004
0.1/16
C6301
470/10
470/10
C6331
C6341
470/10
C6351
470/10
J6401
(YOKOGATA)
C6485 330p C6451 0.01/50 QNZ0625-001
22
R6485 150
C6482 C6475 330p
1/50 R6482 AUDIO R OUT
1
1k
AUDIO R IN
2
R6475
AUDIO L OUT
3
150 AUDIO AGND
4
C6472
C6411 47p
1/50 R6472 GND
5
1k
AUDIO L IN
6
R6411
B
7
75
FUNCTION
8
GND
9
11.6V
NC
10 10K
R6401 75
C6401
G
11
0V 47p
NC
12
Q6453
GND
KRC102S-X 0V
13
C6421
75 GND
14
R6421
47p
R/C
15
5.6V
BLANKING
16
Q6451 R6451 100
GND
KRA102S-X 17
GND
R6452 10k 18 75
CV/Y
19
R6441 NC
20
75
GND
C6441 21
47p
23
J6701
*2
R6721
5
Pr
75
6
R6711
3
Pb
VIDEO OUT
75
4
(COMPONENT)
R6701
1
Y
75
2
*2 PARTS LIST
MODEL J6701
DD-1 QNN0572-001
DD-3/ DD-8 QNN0675-001
AV
(SCART
TERMINAL)
FUNCTION SPEC 10K
LEVEL 0 0-2V 0V 0V
1A 4.5-7V 5.49V 5.91V
1B 9.5-12V 10.4V 12.08V
BLANKING SPEC
Y/C 0-0.4V 0V
RGB 1-3V 4.9V
2-5