Kenwood LZ-701W Service Manual page 12

7.0-inch wide color lcd monitor
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K
L
1
IC301
COMMON DRIVE ELECTRODE
Q301,302
SIGNAL AMP
C327
5.9V
0
R341
Q301
Q302
22
13.6V
3
4
5.3V
1
6
0V
+14V
2
5
4.7V
2
5
5.3V
R342
1
6
0V
3
4
5.6K
+14V
5.3V
C331
IC303
0.1
8
13.6V
1
C330
7
5.3V
47u16
+
2
3
6
5.2V
0V
4
5
5.2V
TP314
5.3V
74
C224
C329
10
0.22
IC206
2.4V
9
8
2.8V
TP302
B2
B1
0V
10
7
0V
C223
BSW
0.22
2.5V
11
6
2.1V
G1
B0
0V
12
5
2.1V
GSW
G0
8.6V
13
4
0V
2.4V
14
3
2.1V
G2
R0
0V
15
2
0V
C222
RSW
0.22
2.8V
16
1
2.4V
R1
R2
RGB
SW
C302
0.1
6
R302
R303
7
10K
47K
SVR302
33K
+5V
+5V
BUFFER
0.2V
R232
SVR201
Q201
0.8V
15K
22K
R216
1K
TP202
R218
DZ201
180K
R229 75
4.7V
C227 560P
14
IC201
R215 330K
0V
2.8V
SYNCHRO
IC204
SEPARATOR
CHROMA
2.0V
R203
82K
R205
R206
2.2K
330
4.7V
NTSC/PAL
SW
5.0V
IC107
R231
5
1
4.7V
4.7K
58
4
2
3
0V
+5V
+7.5V
+14V
M
N
0.3V
+5V
IC302
H-SYNC
CORRECTION
TP310
TP309
TP308
+5V
R332
2
100
13
R346
100K
1
C301 4.7u25
2.7V
2
SYNC SEP
+
TP301
2.1V
3
COM AMP
3.9V
4
IC301
COM OUT
2.3V
5
CONTRAST
LCD INTERFACE
C304 0.1
2.2V
6
B IN
0V
7
TP201
GND
2.2V
C305 0.1
8
G IN
C306 0.1
2.2V
9
R IN
5.2V
10
VCC1
11
12
C303
0.1
R305
R304
47K
100K
5.2V
SVR303
33K
OSD
BLANKING
SW
+5V
+5V
+5V
R220
15K
2.1V
2.3V
5.0V
+5V
X201
500KHz
BR202
2.2K
21
20
1.6V
1.6V
IC202
0V
5.0V
+5V
+5V
+7.5V
+7.5V
+14V
+14V
O
P
+5V
TP307
TP306
TP305
3.0V
C319 1
C339 1
2
C340 1
TP311
36
R315
45
35
2.6V
100
B OUT
48
34
VCC
+7.5V
C341 1
8.1V
21
46
3.1V
C342 1
33
C318 1
R314
G DCDET
32
2.6V
100
G OUT
31
0V
GND
C343 1
TP313
+5V
C344 1
3.2V
14
30
C317 1
R313
R DCDET
13
100
29
2.6V
R OUT
TP304
58
28
0V
TP312
GND
27
3.5V
75
GAMMA 2
26
1.6V
GAMMA 0
25
8
TP303
7
6
+5V
5.2V
55
IC304
57
5
1
0V
4
56
0V
C335 47u16
2
3
+
C336 47u16
0V
INVERTER
+
DRIVE
R348
13.5V
+5V
+14V
68
R408
100K
IC203,Q202
CLAMP
PULSE
GENERATOR
IC401
BR201
22K
IC203
R402
(BOTTOM
1.2K
VIEW)
BOX
CS902
0.4V
SW
20
C218
19
100P
R910
Q202
PARK
18
R210
33K
0V
17
0.5V
47K
16
DZ902
15
14
13
12
11
IC202
10
BASE BAND
DELAY LINE
V. GND
9
VIDEO
8
5.1V
4.1V
B
7
G
6
78
R
5
GND
4
GND
3
ACC
2
ACC
1
LZ-701W
Q
R
IC001
: S-81250HG
Q001,401
: 2SB1203-S or
IC002
: LTI615ES5
2SB1203-T
IC003
: NJM2360M
Q002,107,703,903
IC101
: M37212EFFP
: 2SC2412K-R
IC102
: S-80741AL-A5
Q003,005
: 2SC3647-S or
IC103
: HN58X2402FPI-Z
2SC3647-T
IC104
: SN74AHC2G34HDC
Q007
: 2SB1424-R
IC105
: M62334FP
Q008,103,110
IC106
: TC75S51F
: DTC114YKA-T146
IC107
: TC7S32FU
Q101,102,104-106
IC201
: UPC1830GT
:
DTA114YKA-T146
IC202
: TDA4665T
Q108,901
:
DTA114YKA
IC203
: TC7W74FU
Q109
: 2SB709A-R
IC204
: MM1108XF
Q201
: 2SA1576A
IC206
: MM1234XFBE
Q202
: 2SC4081
IC301
: IR3Y26A1
Q301,302,701,702
IC302
: TC74VHC123AFS or
: IMZ4
TC74VHC123AFT
Q402,403
: 2SD1803-S
IC303,701 : NJM4565M-B
Q902
:
2SB709A
IC304
: NC7S02P5 or
CS301
TC7S02FU
DZ001
: 02CZ9.1-X
IC401
: MB3817PFV
DZ003
: 02CZ8.2-Y
24
HSYIO
IC702
:
TC4W53FU
DZ101-105,107-114,201,
23
POLC
IC750
:
M62339FP
901,902
: 02CZ6.2-X
IC901
: S-81250HG
DZ301
: 02CZ5.1-X
22
CSY
IC903
: MM1031XM
DZ999
:
02CZ16
21
VGH
REM101
:
RPM6938-V4
D001,002
: RB706D-40-T146
20
POL V
D003
: DSM10C
19
VB
SEN101
:
TPS703
D004,401
: SB20-03P
D101
:
EP05Q03L
18
VR
D901
:
DS135D
17
VG
D902
:
MA152K
16
GND
15
VSH
14
VGL
to
13
V COM
LCD
12
N/P
11
VSYIO
+5V
10
L/R
VIDEO SIGNAL LINE
+5V
9
U/D
GND LINE
B LINE
+5V
8
SWC
+B
7
COMC
GRN
6
VCOM2
1 4
PRK SW
5
CKH
BLK
WHT
4
DM1
GND
2 5
(FM-TX)
3
DM2
RED
ACC
3 6
2
DM3
DC CORD
1
SW V
8.8V
L402
Q401
L401
100uH
22uH
T401
CS401
0V
1
to
LCD
2
C411
0.022
13.0V
8.5V
C409
SW
0.15
Q402
Q403
8.5V
T402
SW
0.3V
0V
C404
13.0V
1000P
R405
56K
IC401
SWITCHING
REGULATOR
CS903
VIDEO
IN
5.1V
R906
IC903
4.7K
2
C909
R904
3
100u6.3
75
1
VIDEO
3.7V
4
2.4V
+
OUT
2.0V
D902
10K
0.5V
47K
0V
3.7V
Q901
+5V
IC901
0V
0.6V
Q902
R912
13.8V
R914
4.7K
OUT
IN
Q903
10K
GND
13.0V
R911
CS901
100K
0V
PARK
13.8V
1
4
F901
5A
L901
VA901
GND
+14V
2
5
ACC
+14V
3
6
S
T
LZ-701W

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