Sanyo PLC-XP46 Service Manual

-38-
Troubleshooting
IC221
IC211
CLAMP
IC222 IC223
DIGITAL
ANALOG
RGB
H-SYNC
V-SYNC
TP20R TP20B TP20G TP21R TP21B TP21G
IC1101
3DY/C SEP.
88
IC101
PROG-SW
IC5204
SYNC-SW
22
9 1 8
16
18 16 20
1 3 5
8
10 12
83 84
7 17
25 27 16 15
VIDEO/Y
Cb/Pb
Cr/Cb
IC7141
SYNC-DET
2 3 5
13 11
IC3231
H/V SYNC-SW
2 1 3 5
15 14
CENT
REF
IC801
MAIN CPU
TP2551
Y
C
PB/B
H
V
CV/Y/G
PR/R
VIDEO IN
COMPUTER IN
IC1021 IC1041 IC1051
CG1/CG2
IN2/IN3
H
R G B
V
S-C S-Y
AV_PR AV_PB AV_Y
IC141
IC1141
NTSC/PAL-SW
3
4
5
9,10,11
15
1
13
2
12
14
CV
NTSC
IC1801
I/O EXPANDER
9
18 50 51 52
29, 30
IN2/IN3
S_SW IN
CG1/CG2
CG1/CG2
AV/CG
CG/HD_SW
CG/HD_SW
CG/HD_SW
Y/C
IC2101
PAL-Y/C
SEP.
19
21 22 23
9 4
18 17
5
IC3101
VIDEO
DECODER
1,4,8
Y/C
CV
PA L
44 43
7
13,14
67
35 80 37 39 79 32 33
68 69 66 65 73
IC4101
RGB-MATIX
74 75
55,56
TP401CR
TP401CB
TP401Y
IC4111
11
1,3
13
10
2,4
12
TP4111PR
TP4111PB TP4111Y
H_OUT
V_OUT
AVV
BLANK
AVH
115
14
4
2
13 12
3
TP4151B
TP4151R
TP4151G
TP2301R
TP2301G
TP2301B
R
R
R
G
G
G
B
B
Y
CR
CB
B
IC4551
RGB-YUV
CONV.
3 8
15
IC2301
A/D
43 48 54
30 31 56
14
IC4231
CLOCK
DRIVER
7
3 4
17
4
1 6
2 7
IC4181
BLANK-SW
IC2381
D/A (BLANK)
6 7
2 3
57
IC6301
SGRAM
IC1851
SUB
CPU
CLK
IC4232
1 3 5
8
10 12
22 20 18 16
IC5203
RGB-SW
IC201
RGB-SW
1 8 3
10
5
12
11 5 3 6
22
16
18
20
IC7221
IC7222
IC3224
BUFFER
2 4
18
16
IC212
D/A
K8C
K25B
K25R
K25G
K10P
K8B
K10Q
K8B
K10Q
H-SYNC
GHS GVS
V-SYNC
14
I
12
2 3
I
2
C
CLAMP
IC351
FLASH ROM
IC341
SRAM
A0-A15 D0-D15
IC9401
DIGITAL
ENHANER
549
IC401
DIGITAL
3D
COLOR
CORRECTION
7,8,13
DR0-7 DG0-7 DB0-7
DBA0-9 DGA0-9 DRA0-9
TPHS TPVS
IC3351
BUFFER
TPDHS
TPRST TPVRST
V_CR0-7 V_CY0-7 V_CB0-7
DCLK
DHS
DVS
IC2552
IC2551
TP531
TP1531
TP501
TP1501
TP561
TP1561
B-LCD
PANEL
G-LCD
PANEL
R-LCD
PANEL
IC1501
S&H_B2
IC531
S&H_G1
IC501
S&H_B1
IC1531
S&H_G2
IC561
S&H_R1
IC1561
S&H_R2
IC3551
IC3501
IC4201
I/P CONV.
58
54
9,10
S_SW IN
CV SECAM
IC304
CONTROL
MEMORY
26
R
R
G
G
B
B
2 4
16 18
IC3214
IC301
SCAN
CONVERTER
SYSTEM
CONTROL
246
224
323
34
133
GB00-7 GBE0-7 GG00-7 GGE0-7 GR00-7 GRE0-7
IC8001
DVI I/F
47 48
IC231
A/D
110 100 119
138 140
40 I 3
H
H
CV
CV
PB
CB CR
PR
S-Y
S-C
H
H
Y
Y
PB
PR
Y
PB PR
Y
Y
C
H
V
V
V
V
V
TPDVS
6
5
23
IC3301
TIMING
CONTROLLER
IC3331
IC3341 IC3321
3,5
IC2553
4
1,2
2 3
12
I
15
3 2 5
17 18
15
7 2 3
NT_PAL
Q1143
DVI
27 28 23 24 19 20
11 12
K8AK10R
K8A
K10R
33 34
3 4 7 8
11 12 47 48 51 52 15 16
13 14
5 6
AV BOARD MAIN BOARD
IIC SCL/SDA
NRS
DRIVER
Video Signal processing diagrams

Sanyo PLC-XP46 Specifications

General

Brand	Sanyo
Model	PLC-XP46
Category	Projector
Language	English