Sanyo 28H1 Service Manual page 54

K2A
J11EH120N
KEY KEY 12 12
GND GND
RC_5V RC_5V
GND GND
RC_5V RC_5V
POWER POWER
24V 24V
TO
24V 24V
POWER/DEF POWER/DEF
GND GND
UNIT UNIT
GND GND
K4A K4A
8V 8V
8V 8V
GND GND
GND GND
1 1
6 6
15V 15V
TO 15V 15V
POWER/DEF POWER/DEF
GND GND
UNIT UNIT
GND GND
K5C K5C 33V 33V 33V
GND GND
1 1
K2C
J11EH060N
IC675
BA178M05T B5V B5V
:L78M05CV
:MC78M05CT
1 2 3
C658 C661
X 16EM
47
IC676
AN7809
:BA17809T
IC676H2
IC676H1
B9V B9V
R676
5WK6.8K
1 2 3
(6.8ohm) (6.8ohm)
R676H2 R676H1
C663
C659
16EM
X
47
K2PO
VIDEO VIDEO
J11EG080N
8 8
GND GND
GND GND
B12V B12V
B5V B5V
B9V B9V
RC5V RC5V
V_MUTE V_MUTE
GND GND
1 1
10 10
7 7
GND GND GND GND
TO B12V B12V R-Y2_IN R-Y2_IN
POWER/DEF POWER/DEF
B5V B5V GND GND
UNIT UNIT
SCL SCL B-Y2_IN B-Y2_IN
K4B K4B
SDA SDA GND GND
GND GND Y2_IN Y2_IN
ODD ODD
GND GND
EVEN EVEN
1 1
IIC SCL IIC SCL
K2B IIC SDA IIC SDA
GND GND
J11EH070N 1 1
K2VI
J11EG100N
K2PL
8 8 J11EG080N
GND GND
GND GND
ABL ABL
R207
HD2 HD2
J1
H BLK H BLK
V BLK V BLK
AKB AKB
GND GND
1 1
K2E
10 10
GND GND J11EH100N
TO
ABL ABL
POWER/DEF POWER/DEF
GND
GND
UNIT UNIT
HD2 HD2
K4E K4E
VD2 VD2
(SEE SHEET 2)
GND GND
H BLK H BLK
V BLK V BLK
POWER POWER
ERRER ERRER
GND GND
1 1
NOTES; NOTES;
1. RESISTORS SPECIFIED WITH RESISTANCE VALUE ARE "1/6DJ". 1. RESISTORS SPECIFIED WITH RESISTANCE VALUE ARE "1/6DJ".
2. RESISTORS SPECIFIED WIITH TYPE OF RESISTOR, TOLERANCE 2. RESISTORS SPECIFIED WIITH TYPE OF RESISTOR, TOLERANCE
AND RESISTANCE VALLUE ARE "1/4". AND RESISTANCE VALLUE ARE "1/4".
3. ALL CAPACITORS ARE 50WV RATING UNLESS OTHERWISE NOTED. 3. ALL CAPACITORS ARE 50WV RATING UNLESS OTHERWISE NOTED.
4. PARTS MARKED WITH ARE RELATED WITH X-RADIATION.
5. THICK LINES ARE 15WATTS SUPPLY LINE. 5. THICK LINES ARE 15WATTS SUPPLY LINE.
24V
33V
D801
C803
X RC5V
EM4.7
C802
R800
KZ
R806 R804 IC801
0.01 1/10GJ
1/10GJ
FA 10K 4.7K
10K Q801
QXXAVB079
PH2369 (SAA5297AZP/***)
R805 L802
R803
C801
1/10GJ J1
1/10GJ
HJ0.33G
10K
:63GK 180K
1 TUNING TUNING
0.33V
R802
2.2K
BAND3
Q802
2 BAND3 BAND3
R811
1/10GJ22K
BAND2 3
BAND2 BAND2
Q803
R815
1/10GJ22K
4
BAND1 BAND1
BAND1 R819
Q804
1/10GJ22K
R820
1/10 5
Q802/Q803/Q804 Q802/Q803/Q804
GJ10K
2SC2812L6 2SC2812L6 2SC2812L6
R821 JT805
:2SC2412KR :2SC2412KR :2SC2412KR
1/10GJ22K X
BUS_OPEN BUS_OPEN
6
REQUEST REQUEST
R822
1/10GJ
22K
7 L/L' L/L'
R840
1/10GJ
15K
8 POWER POWER
JT806
R842
X
27K
AFT 9 AFT AFT
R841
R1921
1/10
J1
GJ22K
10 KEY_SCAN KEY_SCAN
R1922
R844 X
1/10GJ
11
3.9K
R843
R845
1/10
10K
GJ10K
IF
12 IF_AGC IF_AGC
AGC
R849
C841
1/10
KZ
GJ10K
0.01FA
13
VSSD VSSD
FRONT FRONT FRONT
14
SW
SW SW
R847
R846
1/10GJ
1/10GJ
47K
1K
PRO
15
PROTECT PROTECT
TECT
R848 C842
1/10GJ KZ0.01
22K FA
16
POS/NEG POS/NEG
R851
X
D.G
17
COIL D.G-COIL D.G-COIL
R852
X
50/60 18 50/60 50/60
R859
X
STILL STILL
STILL 19
ON/OFF ON/OFF
R854
120
20 LED LED
IGNOR IGNOR
IGNOR 21
/BUS_FREE /BUS_FREE
R853
5.6K
C861
22 VSSA VSSA
KZ0.1FA
:25KZ
0.1FA
CVBS0 CVBS0
23
(TV) (TV)
C862
KZ0.1FA
:25KZ0.1FA
CVBS1 CVBS1
24
C863 (AV) (AV)
KZ0.1FA
:25KZ0.1FA
Y 25
BLACK BLACK
D675
26
IREF IREF
R855
1SS355
1/10GJ
27K
B5V
C662
KZ0.1FA
:25KZ
0.1FA
D676
1SS355
B9V
C664
KZ0.1FA
IC677
BA178M05T
:25KZ
0.1FA :L78M05CV
:MC78M05CT
D5V D5V
1 2 3
D678
1S1555
D677
:ED0274
1S1555
R677 :ED0274
2SJ3.3
C660
16EM
D5V
47
C665
16EM
RC5V
47
B9V
TP2A
C241
J30B0
KZ0.1FA
250N
:25KZ0.1FA
D5V
IC205
MC74HC74AN
TP2B
J30B0
(D FLIP FLOP) (D FLIP FLOP)
250N
TP2C
1 VCC 14
J30B0
250N
2 13
T D
RD SD
3 12
Q Q
4 11
5 10
T D
RD SD
Q Q
6 9
7 GND 8
MC74HC04AN
IC206
(INVERTER) (INVERTER)
1 VCC VCC 14 C242
KZ0.1FA
:25KZ
0.1FA
2 13
3 12
4 11
5 10
6 9
7 8
GND GND
6. BOTTOM VIEW OF TR & IC. 6. BOTTOM VIEW OF TR & IC.
7. ISOLATION BOARDER LINE.
LETTER LETTER 7. ISOLATION BOARDER LINE.
SIDE SIDE
TOP VIEW TOP VIEW
N
B B IC CASE OF TR IC CASE OF TR
1 C C
E E B B
E E E C E C
B C B C IN CASE OF IC IN CASE OF IC
3 3
1 2 1 2
TO FRONT_UNIT K19F
(SEE SHEET 1)
K2F
J11EH100N
1 1
10 10
D.G
COIL
R891
1/10GJ
10K
5
SDA SDA
R889
C800 C851
1/10GJ
6.3EM
X 100
470
6
SCL SCL
R888
R892
1/10GJ
C885
1/10GJ
100
CJ22CA 10K
R881
7
TEST TEST
L801
1/10GJ150
SDA SDA L2B9
52
NVM NVM 100KN
R882
8
VCC VCC
1/10GJ150
SCL SCL C882
51
16EM
NVM NVM
C886 R887
10 C881
1/10GJ
CJ22CA KZ0.01FA
2.7K
50
SDA SDA
R883
R885
C884
1/10GJ
1/10GJ
CJ22CA
150
2.7K
49
SCL SCL
C883 R884
1/10GJ150
CJ22CA
SOUND SOUND
48
MUTE MUTE R874
C1921
R1923
1/10GJ
470 3.3K
KK1000BA
47
RC IN RC IN
R872 R879
1/10GJ
22K
18K
IDENT IDENT 46 IDENT
R873
150
AKB AKB
45
/2V /2V
C875 L871
L2B9 D872
25KZ0.1FA
5R6KN RD3.6EL
:KZ0.1FA
VDDM VDDM 44
R876
C872
1/10GJ
16EM
47 10K
RESET RESET 43
X871
V10B2120N
:V10B1690N
R877 R878
C874
X-OUT X-OUT 42
1/10GJ 1/10GJ
C879
CJ22CA
8.2K 1.5K
25KZ0.1FA
Q873
:KZ0.1FA
X-IN X-IN 41 Q831
2SC2812L6
C873 :2SC2412KR 2SA1037KR
CJ22CA :2SA1179M6
40
OSCGND OSCGND
L803
C871
L2B9 R832
25KZ0.1FA
100KN 820
:KZ0.1FA
39
VDDT VDDT
Q832
C876
2SA1037KR
16EM
38 :2SA1179M6
VDDA VDDA B5V
47
R834
820
37
V-SYNC V-SYNC
Q833
R871
470 2SA1037KR
:2SA1179M6
36
H-SYNC H-SYNC
R870
R836
820
470
BLK BLK 35
IC207
(2-INPUT OR GATE) (2-INPUT OR GATE)
R R 34
1
G G 33
2
B B 32
R862
C852
1/10GJ 3
EM2.2 22K
RGBREF RGBREF 31
R860
1/10GJ
4
22K
VIDEO VIDEO
30
MUTE MUTE
R861
1/10GJ 5
2.7K
29
COR COR
6
28
TEST TEST
Q851
2SC2812L6
7
GND GND
:2SC2412KR
R856
27
FRAME FRAME
1/10
R857
GJ
1/10GJ
3.3K
3.3K
IGNOR
R839
56K
Q835
2SC2812L6
:2SC2412KR
IC203
LA6393D
1
50/60
-
2
STILL
8 8
GND GND 3
STILL_ON/OFF STILL_ON/OFF
50/60HZ 50/60HZ 4
D5V D5V
C666
KZ0.1FA D5V D5V
KZ0.1FA
:25KZ
C235
B9V B9V :25KZ
0.1FA
0.1FA
B9V B9V
GND GND
K2SCPO
1 1
SCAN SCAN
J11EG080N
IC204
CONV CONV
1
VCC1 VCC1
10 10
R-Y_OUT2 R-Y_OUT2
2
GND GND NC NC
B-Y_OUT2 B-Y_OUT2
3
GND GND GND GND
Y_OUT2 Y_OUT2
4
GND GND TEST_IN TEST_IN
VD2 VD2
SAND SAND
GND GND 5
CASLE CASLE
HD2 HD2
GND GND 6 NC NC
K2SCO
1 1
J11EG100N
7 NC NC
10 10
K2SCI
GND GND 8 TEST_OUT TEST_OUT
J11EG100N
V-SYNC V-SYNC
GND GND
H-SYNC H-SYNC
GND GND
R-Y_IN R-Y_IN
GND GND
B-Y_IN B-Y_IN
GND GND
Y-IN Y-IN Q213
2SC2812L6
1 1 :2SC2412KR
R216
1/10GJ
1.5K
C220
L220
R220
CJ L2B9
270
82CA 4R7KN
C227 L221
R224
X
J1 J1
C228 L222
R225
X
J1 J1
AT2
COLD SIDE HOT SIDE
7 7
TP8A
4
GND GND
J10EA070N
3
A2 A2
IC802
1 1
2
A1 A1
24LC04B/P
:24C04A/P
JT801
X
1
A0 A0
JT802
X
SDA SDA2
JT803
J1
SCL SCL2
JT804
J1
MUTE
D873
J1
A8V A8V
1 2 3
R673
C656 D673
2SJ27
X
1S1555
:ED0274
A8V
R831
1/10GJ
270
R2
C831 C676
C675
KK0.047BA
KZ0.1FA 16EM
:25KZ 47
0.1FA
R833
1/10GJ
270
PRO
G2 IC673
TECT
C832
KK0.047BA
BA178M08T
:L78M08CV
R835 :MC78M08CT
1/10GJ
270
B2
C833
KK0.047BA
C230
MC74F32N
KZ0.1FA
:25KZ
0.1FA
VCC VCC 14
13
IC350
LA7210
12
1/32 1/32
VCO VCO
11
1
10
R351
1/10GJ
1.2K
9
8 X351
V11B0180N
(500KHz) (500KHz)
C351
KK1000
BA
BLK1
R830
1/10GJ
1K
Q836
2SC2812L6
:2SC2412KR
R838
1/10GJ
1K
C221
KZ0.1FA
:25KZ
0.1FA
1
R223
100
2
C238
KZ0.1FA C224
:25KZ0.1FA KK0.047BA
8 3
R233 R222 C223
100 KK0.047
1/10GJ
+
2.2K BA
7 4
R236
R234 R221 C222
1/10GJ 1/10GJ 100
+ - KK0.047BA
3.3K
3.3K
6 5
C237
16EM
10
R2 6
5
R238 R237
1/10GJ 1/10GJ
1K 2.2K
G2 7
B2 8
D231
C236
R232
RD5.1EB3
16EM 1/10GJ
:UZ-5.1BCC
47 120
:MTZ5.1C
R231
C234
1/10GJ
TDA4665/V4
KZ0.1FA
100
:QU3665M-M
:25KZ
0.1FA
16 1
R-Y_IN R-Y_IN
C233
15 2
NC NC
KZ0.1FA
:25KZ
0.1FA
14 3
B-Y_IN B-Y_IN
C232
13 4
REF REF
KZ0.1FA
R204
:25KZ
0.1FA 100
B-Y_OUT B-Y_OUT 12 5
R203
100
R-Y_OUT R-Y_OUT 11 6
C231 C218
KZ0.1FA X
C216
:25KZ
GND GND 10 A8V 7
0.1FA C215
KZ0.1FA
:25KZ
16EM 0.1FA
VCC2 VCC2 9 8
47
C214
KK0.1BA
9
:25KK0.1BA
10
11
R215
1/10GJ
220
12
R213
1/10GJ
220
13
R211
Q214
1/10GJ
Q212
2SA1037KR
220
2SC2812L6
:2SA1179M6
14
:2SC2412KR
Q211
R217
R214 2SC2812L6
1/10GJ 1/10 15
:2SC2412KR
1.5K GJ39K
R212
C217 16
1/10GJ
KZ0.01 R218
1.5K
FA 1/10GJ
4.7K
R219
1/10GJ
10K
K2Y
J10KA120N
MAIN MAIN
IC671
A9V A9V BA178M09T
:L78M09CV
:MC78M09CT
1 2 3
R671
2SJ22
A9V
C654
X
PRO C671 C672
TECT 16EM
D671 KZ0.1FA
47
1SS355 :25KZ
0.1FA
IC3531
1
RIN RIN
C3532
KK
0.01BA
2
R3536
X
3
C3536
63GJ0.1V
:HJ0.1G
4
R3537
X
5
C3534
R3538
CJ
X
1000GA
6 S/G S/G
C3538
16EM47
7
R3531
X
8
R3532
1/10GJ10K
R3535
9
1/10
GJ39K
C3539
EM2.2
10
S/Q S/Q
11
ROUT ROUT
C3545
16EM
47
12 GND GND
R3534
1/10
GJ3.9K
HORIZONTAL-SYNC-DETECTOR HORIZONTAL-SYNC-DETECTOR
COUNT COUNT AND AND
amp amp
DOWN DOWN
AFC AFC
SYNC SYNC SEP SEP comparator comparator
IDENT
32fH 32fH
GND GND
VCC VCC
2 3 4 5 6 7 8 9 10
R352 C356
L351
25KK J1
1/10
GJ 0.1BA
1K :KK0.1BA
C355
R353
KK C358
1/10GJ
16EM47
1000BA
18K
R355
C357
1/10GJ
C354 EM1
150K
EM1
R354
C352
C353
R356 1/10GJ
CJ330
X 100K
470
CA
IC201
TDA8601/C1-W
16
15
14
13 BLK
R
12
11 G
10 B
9
IC202
C201
TDA9143/N2B
KK0.1BA
:25KK0.1BA
32
R-Y_OUT R-Y_OUT
X201
C202
X X
31
B-Y_OUT B-Y_OUT 3.58M 3.58M
C203
CJ18CA
30
B-Y_IN B-Y_IN 4.43M 4.43M
X202
V10B2110N
:V1E042XCB
29
R-Y_IN R-Y_IN
R201 C204
1/10 KK0.1BA
:25KK0.1BA
GJ82K
SCL SCL 28
C206 C205
KK0.1BA KK
:25KK0.1BA 3300BA L201
SDA SDA 27
R205
L2B9
C207
KK0.1BA 4R7 1/10GJ
KN
:25KK0.1BA 150
VCC VCC Y Y 26
C225 C208
CJ150 KK0.1BA
CA :25KK0.1BA
C C 25
C226 R206
CJ150
1/10GJ
CA
150
GND GND 24
R202 L202
C209
1/10
HJ0.47G L2B9
GJ13K :63GK0.47V
4R7
SAND SAND 23
KN
C
C210
VA VA 22 KK
3300BA
21 R
Y Y R R
C211
KZ0.1FA
:25KZ0.1FA
20 G
V V G G
C212
KZ0.1FA
:25KZ0.1FA
19 B
U U B B
C213
KZ0.1FA
:25KZ0.1FA
18 BLK
F F
O_PORT O_PORT H H 17
C
Y
SCL R1
G1
SDA B1
BLK1
1 1 12 12
TO BACK-UNIT K10Y
(SEE SHEET 3)
J