Kenwood KTC-V500E User manual

TV TUNER
KTC-V500E/N/P
SERVICE MANUAL
© 2002-1 PRINTED IN KOREA
B51-7884-00 (K) 3397
KTC-V500E
4-CHANNEL DIVERSITY TV TUNER
TV ANTENNA INPUT
TO MONITOR UNIT
The following reference numbers with accessory parts are the same reference numbers
used on EXPLODED VIEW and PARTS LIST.
9
DC1
5
8
6X2

KTC-V500E/N/P
2
ANTENNA SW TUNER VIF
SAW
CIRCUIT
DIVERSITY VIDEO
SW
DEMODULATOR
VIF VIDEO
SW
MATRIX
RGB SW
DEMODULATOR
VIF
SAW
SIF
DEMODULATOR
FM
MIX
SW
DEMODULATOR
AM
OSC
NOISE
CANCELLER LPF SOUND (L/R)
75
6dB
6dB
75
RGB-OUT
VIDEO
8V AVR
SW
14.4V
ACC AVR
IC401 IC400
Q103
Q101
IC300
IC200
IC301
IC504 IC502
IC202
IC203
IC700
ACC 5V
Q702
8V AVR
Q703
5V AVR
5V AVR
Q705
Q704
A 8V
V 8V
V 5V
A 5V
IC701 DC/DC +30V
Q701
REGULATOR
POWER SUPPLY
KTC-V500E/N/P (E/K/M)
NTSC
PAL
SECAM
SYNC
DECODER
SDA
SCL
SCL
SDA
OTHERS
L'
: 38.9MHz
: 33.9MHz
I
BG : 33.4MHz
: 32.9MHz
L'
DK/L
: 40.4MHz
: 32.4MHz
FM/AM
L'
D/K
B/G
I
22.7MHz
21.7MHz
22.2MHz
FM/AM
P. ON
10.7MHz
BLOCK DIAGRAM

KTC-V500E/N/P
3
COMPONENT DESCRIPTION
ELECTRIC UNIT (X25-928x-xx)
REF. No. FUNCTION OPERATION
IC200 TV VIF/CHROMA Detects VIF, and processes chroma.
IC202 VIDEO AMPLIFIER Amplifies G and B signals up to 6dB at 75 ohms.
IC203 VIDEO AMPLIFIER Amplifies SYNC and R signals up to 6dB at 75 ohms.
IC300 TV VIF/SIF Detects VIF and SIF (Euro model’s one is for diversity).
IC301 AM DETECTION Detects SIF (AM).
IC400 VIDEO SW Switches diversity video signal.
IC401 TV DIVERSITY Switches TV antenna.
IC502 OPERATION AMPLIFIER LPF & amplifier.
IC504 NOISE CANCELER Cancels noise.
IC700 AVR 5V local regulator.
IC701 DC/DC REGULATOR Switches DC/DC voltage.
IC702 AVR 8V local regulator.
IC800 SYSTEM u-COM Controls functions.
IC801 RESET IC Resets system u-com.
Q100 IF SW Switches SAW filter input IF.
Q101 SIF AMPLIFIER Amplifies SIF.
Q102 IF SW Switches SAW filter input IF.
Q103 VIF AMPLIFIER Amplifies VIF.
Q201,202 BUFFER Creates H-sync pulse.
Q203,204 BUFFER Buffers video signal.
Q205-207 RGB MUTE Mutes RGB signals.
Q208-210 RGB BUFFER Buffers RGB signals.
Q211,212 VIDEO BUFFER Buffers video signal.
Q300-302 CLOCK SW Switches clock.
Q303,304 VIDEO BUFFER Buffers video signal.
Q305 SYNC PIF SW Switches sync PIF frequency.
Q306,307 S-METER DC AMPLIFIER Amplifies s-meter DC.
Q308 VIDEO BUFFER Buffers video signal.
Q309 VIDEO MUTE Mutes TV video signal.
Q400 VIDEO MODE SW Switches diversity video mode.
Q401 ADJUST MODE SW Switches diversity adjustment mode.
Q500,501 AUDIO MUTE Mutes audio signal.
Q700 Q701 DRIVER Drives Q701.
Q701 POWER SW Switches back-up power supply.
Q702 8V AVR Supplies power to TV front-end and IF circuit.
Q703 8V AVR Supplies power to IC200.
Q704 5V AVR Supplies power to TV front-end and IC301.
Q705 5V AVR Supplies power to video circuit.
Q706 B.U. DETECTION Detects back-up.
Q800 PANEL/BASS RESET SW Controls reset for panel and bass.

KTC-V500E/N/P
4
MICROCOMPUTER'S TERMINAL DESCRIPTION
(X25-) IC800 : SYSTEM u-COM
PORT
No.
PORT NAME I/O FUNCTION OPERATING CONDITION
1 DIV O Diversity adjustment mode (Test mode). "H" : Adjustment mode on (Diversity forced off).
2-4 ----
5DK O IF switch (When state of PAL-D). "H" : DK area.
6 IF IF switch (Group 3 when state of PAL-I). "H" : I area.
7BG O
O
IF switch (Group 1/2 when state of PAL-B/G)."H" : BG area.
8-- -
9VDD -5V power supply. -
-
10 X2 -Main system clock oscillation (12.28MHz).-
11 X1 -Main system clock oscillation (12.28MHz).-
12 VSS -GND. -
13,14 ----
15 RESET -System reset. "L" : Reset.
16 SC-CON I Communication between panel and box. -
17 MC-REQ I Communication between panel and box. -
18 B.U. I Back-up detection. "H" : B.U. OFF. "L" : B.U. ON.
19 P.ON O Power-on. "H" : P.ON OFF. "L" : P.ON ON.
20,21 ----
22 REF.CON O A/D converter reference voltage. ADC comparator power supply switch.
23 AVDD -A/D converter analogue power supply. -
24 AVREF 0 -A/D converter reference voltage. -
25 SD I SD. -
26 S-METER I S-meter. -
27-32 --
33 AVSS -GND. -
34,35 -
-
-
-
--
36 AVREF 1 - Analogue reference voltage. -
37 FLASH 1 O Flash 1. -
38 FLASH 2 O Flash 2. -
39 FLASH 3 O Flash 3. -
40-43 ---
--
--
--
--
--
--
--
--
-
44 SC REQ O Communication request in panel. -
45 MC DATA I Communication data in panel. -
46 SC DATA O Communication data in panel. -
47 MC CLK I Communication clock in panel. -
48 --
49 L2 O Video reception switch (Only in France)."L" : VHF receiving. "H" : 2,3,4CH receiving.
50 AM/FM O AM/FM audio reception switch. "L" : AM (Only in France). "H" : FM (Without France).
51,52 --
53 TYPE 1 I Destination switch. "L" : For in Europe. "H" : For in Japan.
54-58 --
59 PLL-DATA O PLL data. -
60 PLL-CLK O PLL clock. -
61 PLL-ENB O PLL enable. -
62 TV/V MUTE O TV tuner mute / Video mute. "H" : Mute on. "L" : Mute off.
63-71 --
72 VSS -GND. -
73-78 --
79 SP MUTE O Speaker audio line mute. "L" : Mute on. "H" : Mute off.
80 --
81,82 VDD - Power supply. -
83-86 --
87 TIME O Waiting configuration for communication
beginning with machro IC. "L" : No waiting. "H" : 3 seconds waiting.
88-93 --
94 TEST -VPP voltage for flash memory writing. "L" : Usual operation. "H" : Flash memory writing .
95-98 --
99 SCL O IC2 clock. -
100 SDA I/O IC2 data. -

KTC-V500E/N/P
5
ADJUSTMENT
NG OK NG
X25 Circuit Adjustment Specification (K : For North American Markets)
Item A djustment method / Adjustment value Conditions
1. Video detection coil
adjustment
L303
1. Turn VR301 [RF-AGC] fully to the right.
2. Apply DC2.0V to TP [IF AGC] (IC300 pin36).
3. Feed fo=45.75MHz, Mod=1kHz, AM60%, Level=100dBµinto TP [IF]
(A100 pin8).
4. Observe the TP [VIDEO] (IC300 pin8) waveform on an oscilloscope and
adjust L303 for maximum level.
Maximum
No ANT signal
If the waveform is clipped,
slightly increase the DC
voltage.
AC range
2. Audio detection coil
adjustment
L300
1. Turn VR301 [RF-AGC] fully to the right.
2. Feed fo=41.25MHz, No Modulation, Level=94dBµinto TP [IF] (A100
pin8).
3. Connect a voltmeter to TP [SIF] (both ends of R314) and adjust L300 for
0V ±0.01V.
No ANT signal
3. S-METER adjustment
VR300
4. RF AGC adjustment
VR301
1. Turn VR301 [RF-AGC] fully to the right.
2. Feed a 30dBµ11CH color bar RF signal into the ANT input terminal.
3. Audio (P/S ratio -6dB) no modulation.
4. Connect a voltmeter to CN300 and adjust VR300 [SMET] so it reads
3.5V ±0.05V.
5. Set the RF signal to 70dBµand adjust VR301 [RF-AGC] so that the
voltmeter connected to CN300 reads 4.5V ±0.05V.
ostpone adjusting VR301
to prevent AGC having effect
at 30dBµ.
Ensure the RF AGC
adjustment is performed
after the S-METER
adjustment.
5. Diversity free run
frequency adjustment
VR400
1. Connect a frequency counter to CN400.
2. Using the remote control unit TV/NAVI button, switch to adjustment
mode.
3. Adjust VR400 [15kHz] so as to obtain 15734 ±10Hz.
No ANT signal
Test mode
X25 Circuit Adjustment Specification (E : For European Markets)
Item A djustment method / Adjustment value Conditions
1. Diversity video detection
coil adjustment
L303
1. Input RF signal 70dBµ9CH stair step into the ANT input terminal.
2. Observe the TP [VIDEO] (IC300 pin8) waveform on an oscilloscope and
adjust L303 so that the edges of sync chip and pedestal are horizontal.
PAL B/G
Turn color off.
2. Audio detectioncoil
adjustment
L300
1. Input RF signal 70dBµ9CH bar into the ANT input terminal.
2. Connect a voltmeter to TP [SIF] (both ends of R314) and adjust L300 for
0V ±0.01V.
PAL B/G
P/S ratio 10dB
3. Diversity free run
frequency adjustment
VR400
1. Connect a frequency counter to CN400.
2. Using the remote control unit TV/NAVI button, switch to adjustment
mode.
3. Adjust VR400 [15kHz] so as to obtain 15625 ±10Hz.
No ANT signal
Test mode

KTC-V500E/N/P
6
ADJUSTMENT
X25 Circuit Adjustment Specification (M : For the Other Markets)
Item Adjustment method/Adjustment value Conditions
1. Video detection coil
adjustment
L303
1. Turn VR301 [RF-AGC] fully to the right.
2. Apply DC2.0V to TP [IF AGC] (IC300 pin36).
3. Feed fo=38.0MHz, Mod=1kHz, AM60%, Level=100dBµinto TP [IF]
(A100 pin8).
4. Observe the TP [VIDEO] (IC300 pin8) waveform on an oscilloscope and
adjust L303 for maximum level.
Maximum
No ANT signal
If the waveform is clipped,
slightly increase the DC
voltage.
AC range
2. Audio detection coil
adjustment
L300
1. Turn VR301 [RF-AGC] fully to the right.
2. Feed fo=31.5MHz, No Modulation, Level=94dBµinto TP [IF] (A100
pin8).
3. Connect a voltmeter to TP [SIF] (both ends of R314) and adjust L300 for
0V ±0.01V.
No ANT signal
3. S-METER adjustment
VR300
4. RF AGC adjustment
VR301
1. Turn VR301 [RF-AGC] fully to the right.
2. Feed a 30dBµCHINA 9CH color bar RF signal into the ANT input
terminal.
3. Audio (P/S ratio -6dB) no modulation.
4. Connect a voltmeter to CN300 and adjust VR300 [SMET] so it reads
3.5V ±0.05V.
5. Set the RF signal to 70dBµand adjust VR301 [RF-AGC] so that the
voltmeter connected to CN300 reads 4.8V ±0.05V.
Postpone adjusting VR301
to prevent AGC having effect
at 30dBµ.
Ensure the RF AGC
adjustment is performed
after the S-METER
adjustment.
5. Diversity free run
frequency adjustment
VR400
1. Connect a frequency counter to CN400.
2. Using the remote control unit TV/NAVI button, switch to adjustment
mode.
3. Adjust VR400 [15kHz] so as to obtain 15625 ±100Hz.
No ANT signal
Test mode

ABDFHJCEG I
2
1
3
5
7
4
6
IC400
Q704
D702
Q306
D302
IC800
Q211
IC301
IC701
IC502
IC300
IC702
Q210
Q209
Q208
IC200
Q200
Q309
CN2
D700
D100
Q100
Q102
IC202
IC203
Q300
Q301
IC401
Q400
IC801
Q501
Q500
Q705
SYNTHESIZER UNIT X25-928x-xx (J74-1339-12)
Q307
Q302
A100
CN400
IC504
Q703
Q702
Q701
CN300
J1 J2 J4
J3
J100
P100
IC700
BE
BE
EB
EB
BE
BE BE
BE
BE
BE
EB
BE EB BE
EB
EB
EB
B
E
L301
R240
L304
L104
C207
R336
W300
C424
L201
L400
C233
L103
R209
R210
R204
R413
R208
R811
C403
R219
R220 R217
R215
C224
R223
R222
R221
R201
C206
R200
C228
R218
R216
C217
C215
C226
C222
C225
C221
C220
R237
R207
C201
R202 C200
C213
C214
R816
R817
R818
R804
R803
R802
R819
C100
C101
R110 R109
R104
R100
L100
C237
C707
R411
L108
R412
C421
C422
L113 L112
L106
L105 R410
C423
L111 L110
R516
C524
C522
L200
R813
R815
R235
R832
R512
C509
R510
R509 C508
R511
VR400
C242
C239
L202
VR301
C306
R523
C529
R521
R323
R324
W400
C400
C402
C401
R710
R838
R839
F700
R837
R522
R309
X800
C409
C708
R517
VR300
C413
C414 C416 C418
18
45
7
1
1
3
5
4
O
G
I
26
50
25
51
75
76 100
1
1123
33
1222
4434
1
8
9
16
14
85
1
1155
1
11
1
5
19 33
51
20 32
5264
I
G
O
1
4
8
5
1
45
8
112
13 24
L107
1
20
19
2
1
B
E
E
B
BE
1
21
12
RF-ACC
SMET
15KHz
DIV
SMET.ACC
L302
CF100
CF101
CF301
C801
C223
X303
X201
C709
CF302
C202
C216
C203
C705
C107
C110
C112
C111
C323
C332
C330
X302
X301
X300
CF102
C410
C720
C718
L701
C115
C710
C722
C300
C706
C320
C714
C713
C238
C241
C335
C521
C527
C208
L300
L303
C234
C701
C528
C711
C532
C506
CF300
CF200
C232
C715
1
1
24
58
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD(Component side view)
7 8
SYNTHESIZER UNIT
(X25-928x-xx)
Ref.No. Address
IC200 4E
IC202 5G
IC203 4G
IC300 3D
IC301 2C
IC400 6E
IC401 5D
IC502 2F
IC504 1E
IC700 3H
IC701 3B
IC702 5H
IC800 3G
IC801 2H
Q100 4D
Q102 4C
Q200 3E
Q208 5F
Q209 5E
Q210 5E
Q211 5E
Q300 3D
Q301 2D
Q302 2D
Q306 2D
Q307 2D
Q309 2E
Q400 5D
Q500 2F
Q501 4G
Q701 3I
Q702 5I
Q703 5I
Q704 6H
Q705 4H

KMOQSLNPRT
2
1
3
5
7
4
6
C119
C126
C125
L101
R335
R711
R119
C717
R228
R226
C227
C231
R231
C124
R230
C229
R224
R227
R229
R700
R814
C723
C704
C123
R239
R113
R225
R234
R233
R232
C211
C205
R203
C204
R206
R211
R212
R205
R213
R214
C212
C209
R117
C327
C331
R328
C800
C703
C702
R118
C127
R821
R820
C804
R101
C114
R107
W100
W101
R108
C120
W102
R103
C118
C128
R116
L109
R120
L114
R121
C121
C322
C122
R304
R305
R306
C307
W301
R302
R301
R300
R307
R713
R327
C321
W302
R325
R326
R332
C721
R322
R515
C525
R514
C519
C518
R115
C117
C517
C515
R312
C116
R406
R407 R408
R409
C511
C415
C417
C419
C420
R703
C408
R404
R401
R402
C406
C412
C510
R403
C507
C407
C530
R520
R519
C405
R400
C531
C404
C103
R106
C102
R112
R102
C329
R105
C240
C235
C309
R313
C304
C303
R340
C302
R333
R334
C308
C310
C337
R311
C301
C336
C313
C317
R331
R339
C319
R320
C316
R337
R319
R338
R310
C311
C312
C314 R314
C318
C104
R405
C108
C109
R702
C719
R704
R342
R341
R343
R346
R347
C716
R834
R807
R809
C803
C802
R827 R823
R822
R824
R826
R825
R801
R706 R707
C712
R708
R712
C340
C305
R351
W303
C339
R308
L115
R808
R831
R833
C113
R303
R829
R828
R830
R518
C328
R350
R349
R836
R835
C334
C333
C324
C325
R321
C326
R329
R330
R122
W103
C338
R345
R344
R238
R810
R812
R236
C700
R709
C411
R705
D710
Q303
D103
Q401
D104
Q203
Q204 D201
D705
Q101
Q212
Q207Q206
Q205
Q202
Q201
D709
D102
D101
Q103
D300
D301
D708
Q305
D303
Q304
Q308
D707
D706
Q700
Q800
Q706
D105
SYNTHESIZER UNIT X25-928x-xx (J74-1339-12)
BE
BE
BEBE
BE
EB
BE
BE
BE
EB
EB
EB
BE
EB
BE
BE
BE
BE
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD(Foil side view)
9 10
SYNTHESIZER UNIT
(X25-928x-xx)
Ref.No. Address
Q101 4Q
Q103 4Q
Q201 4O
Q202 3O
Q203 5P
Q204 5P
Q205 4O
Q206 5O
Q207 5O
Q212 5P
Q303 3P
Q304 2O
Q305 3P
Q308 2P
Q401 5Q
Q700 4L
Q706 2M
Q800 2M

ABDFHJCEG I
2
1
3
5
7
4
6
(K,M) TYPE
IF AGC
RF
AGC
D300
D301
Q300 Q301 Q302
ONLY
(K) TYPE
D302
(K,M) TYPE ONLY
(E) TYPE
SMET
D303
Q305
(E) TYPE ONLY
VIDEO
Q303
Q304
SIF
CN300
SMET AGC
Q308
(K,M)
Q309
(E) TYPE ONLY
(K,M) TYPE ONLY
Q800
(K,M)
ONLY
Q501
Q500
J100
D709
D710
(E) TYPE
D700
D702 Q706
D708
Q703
D705
Q701
Q700 (E) TYPE ONLY
Q704
D706
Q705
D707
AVR
B.U. DETECTION
DC/DC
REGULATOR
POWER SW
Q701
DRIVER
8V AVR 5V AVR
5V AVR
OPERATION
AMPLIFIER
MUTE
AUDIO
NOISE CANCELLER
AM
DETECTION
(E) TYPE
VIDEO
MUTE
TYPE
ONLY
VIDEO BUFFER
VIDEO BUFFER
TV VIF/SIF
ONLY
ONLY
TYPE
(M,E)
CLOCK SW
SYSTEM u-COM
TYPE
ONLY
RESET
IC
PANEL/BASS
RESET SW
ONLY
Q702 8V AVR
AVR
ONLY
(K,M) TYPE ONLY
Q307
S-METER
DC AMPLIFIER
Q306
TYPE ONLY
(K,M)
AMPLIFIER
VIDEO VIDEO
AMPLIFIER
(E) TYPE ONLY
ONLY
(K,M) TYPE
ONLY
(K)TYPE (M)TYPE
ONLY
P100
SYNC PIF SW
22K
22K 22K
22K 22K
22K
22K
22K
4.7K
4.7K
22K
22K
2.2K
10K
10K
47K
10K
DIV
1
SDA
100
2
3
4
5DK 6IF
7BG
8 9VDD
10 X2
11 X1
12 VSS
13
14
15 RESET 16 SC CON
17 MC REQ
18 B.U. 19 P. O N 20
21
22 REF. CON
23 A VDD
24 A VREF 0
25 SD
SCL
99
98
97
96
95 TEST
94
93
92
91
90
89
88
87
86
85
84
83
82 VDD
81
80 SP MUTE
79
78
77
76
VSS
75 73 74 71 72 69 70 67 68 65 66
PLL-CLK
TV/V MUTE
63 64 61
PLL-ENB
62 59
PLL-DATA
60 57 58 53 55 56
TYPE 1
54 51 52
26
SC DATA
AVREF 1
S-METER
28
27
31
30
29
34
A VSS 33
32
36
35
39
FLASH 2
FLASH 1
38
37
FLASH 3
41
40
44
43
42
MC DATA
SC REQ
46
45
MC CLK
49
48
47
AM/FM
L2
50
RFADA
34
35 36
37
SIF IN 2 VIF IN 1
38 39 40 GND 1
41
RF A OUT VREG
42
43
44 AF T OUT
OSC IN 2
33
30
32
31
OSC IN 1
29
28
FL IN
VREF
27
26
25
24
23
VCC 1
SMTC 2
V OUT 1
6
3
2
1
5
4
8
7
10
9
16
GND 2
SL OUT
SMA 2
SIF
20 21 18 19 17
VCC 2
AMDCP
12 14 15 13 22
VIF 1
VIF 2
SSC
AFT
AMDCA
V OUT 2
SMTC 1
A OUT
VIF IN 2 IFA OUT IFA IN SIF IN 1
VCC 3
M OUT
SD OUT
GND 3
FLAB
SVA
FL OUT
SMA 1
AFC OUT
AMDCO
S OUT
AMDC IN
11
AF OUT
AM IN
AM OUT
NC5
CREF
CAGC
NC2
IF IN 1
SW EXT IN
10
9
VP1 GND MUTE VP2
12
11
14
13
IF IN 2 NC15
16 15
7 8 5 6 3 4 1 2
PNR IN
NF
B PASS
PW
GND
B
REF
3 7 8 5 6 4 1 2
PILOT IN
LPF OUT
PNR OUT
GATE
12 11 10 9
AGC
2A IN-
V-
4
3A IN+
B IN+
B OUT
B IN-
A OUT
1V+
7 6 5 8
2
1
4
3
GND
NC6
NC7
FBDRIVE
NC3
NC2
VCC 5
7
8
6
47u6.3
C335
+
W300
0.01
C313
22K
R335
100P
C336
10K
R336
10uH
L301
0.1
C319
CF302
3.3K
R333
0.01
C337
0.47
C308
0.1
C310
2.7K
R312
R311 10K
5K
VR301
R334
1.8K
TP1
10K
R307
1000P
C307
C305
22.7/21.8MHz
21.7/20.8MHz
22.2/21.3MHz
R302
R300 2.2K R301 2.2K
R306100K
R304 100K
R305 100K
X300
X301
X302
5
6 7
2.2K
W301
X303
30.550MHz
C304
CF300 OUT
IN
100K
VR300
27K
R303
0.022
C302
0.01
C306
0.1
C301
1K
R340
0.01
C338
47K
R320
C317
0.01
C316
10K
R328
22P
C331
R331 2.7K
2200P
C327
C329 56P
10K
R327
4.7K
R325
10K
R326
R319
33K
TP2
0.22
C328
330
R324
330
R323
470
R332
470
R322
6.8K
R310
0.1
C312
47u16
+
C300
1.5K
R314
C309 220P
0.01
C311
R313 1K
L300
0.1
C314
39K33K
R308
TP3
TP4
21
C318
0.022
330
R338
10uH
L304
330
R339
180
R337
OUTIN
R824 100K
R823 100K
R822 100K
R818 100
R817 100
R816 100
44
45
47
46
39
38
37
100K
R821
R819 1K
C804 0.1
100K
R820
18 17 16
6
5
7
110K
R804
100K
R807
12.228MHz
X800
330u6.3
+
C800
1
2
3SUB
GND OUT 4
5
VCCNC
C802
0.22
C803
R809
47K
R833 5.6K
R803
100
R831 5.6K
100
99
R802
100
R801
100K
R827
100K
R828 1K R829 1K R830 1K
R826 R825
61
59
60
100K
R808
100K
R834
100K
R835
100K
R836
0.47u50
C332
+
3.9K
R329
0.01
C326
4.7u25
C330
+
47K
R321
0.022
C325
0.022
C324
8.2K
R330
2200P
C333
2200P
C334
0.01
C322
10u16
+
C323
10uH
L302
120K
R350
18K
R349
W302
0.22
C321
R514 27K
0.047
C524
6.8K
R516
C521 10u16
+
C519 2200P
R515 12K
C522 0.047
C525 0.1
C527 47u16
+
C518 0.1
C517 0.022
C529
0.22
4.7K
R521
4.7K
R522
10u16
C528
+
47K
R523
A+5V
V+5V
A+8V
T+8V
47K
R512
1000P
C509
47K
R510
0.22
C510
1000P
C511
10K
R511
47K
R509
360
R517
10u16
+
C532
180P
C508
47u16
C506
+
C507
3
2
1
46
5
8
11
10
9
12
713
16
15
14 20
19
18
17
R235 75 R236 75 R238 75 R237 75
R813 1K R812 1K
R811 100 R810 100
R832 100 R814 100
R815 1K
7 6
5
8
46 45
44
15 16
47
17
100
R519
100
R520
2200P
F700
0.01
C704
OUT
CMN
IN
0.01
C702
2.2u50
C705
+
0.01
C703
0.1
C708
2200u16
+
C701
0.01
C700
0.01
C712
22K
R708
10K
R706
22K
R707
100K
R712
1.2K
R713
4.7u50
C718
+
4.7u50
C720
+
33u16
C706
+
0.1
C707
4700uH
L701
220u16
C709
+
220u10
C713
+
0.01
C723
1K
R703
680
R701
15K
R700
1/2W
47u16
C710
+
100u6.3
C714
+
1.8K
R704
C716 0.01
A+5V
C711
47u16
R705
1.8K
+
C717 0.01
C715
+
100u6.3
V+5V
T+8V
BU+5V
15
V+5V
T+8V
A+8V
A+5V
1
V+5V
T+8V
A+8V
A+5V
18
BU+5V
BU+5V
Q303,304
10P
Q300-302
0.1
C801
0.1
Q800
R702
220
C722 220u10
C721 0.01
R710
GND
VIN VREF
R711
4.3K
15K
24K
R709
A+8V
C719
+
1
C530
2200P
C531
V+5V
19
V+5V
19
(SQ)
FLASH3
RESET
VCC
(SCK)
FLASH1
FLASH2
TEST
(SI)
GND
38
1
39
4
3
2
37
6
5
7
R346
10K
R347
4.7K
100K
R344
R345
10K
R342
6.8K
R341
1.5K
Q306,307
10P
47u16
C320
+
0.1
0.01
Q500,501
A+8V
A+8V
A+8V
32
C234
10u6.3
C235
+
0.01
C240
33
31
0.01
220u6.3 5
C233
L202
10uH V+
8
0.1 B IN
6
7
+
BSAG
B OUT
6
C241
220u6.3220u6.3 5
4
C237
GND
1
A IN 0.22
2
3
ASAG
A OUT +
C239 7
0.22 8
+6
C236 C238
7
5
330u6.3
4
2
V+
B IN 1
GND
A IN
A OUT
ASAG
B OUT
BSAG 3
C242
0.22
+
8
C232
+B +B GND GND R G B SYNC GND SC SC GND SP L N.C CON CLK REQ DATA SP R DATA REQ MC MC BP SC RESET SP
47K
R518
22K 22K
0.1
C303
BU+5V
A+8V
A+8V
A+8V
A+8V
V+5V
V+5V
V+5V
A+8V
BU+5V
BU+5V
BU+5V
BU+5V
BU+5V
BU+5V BU+5V
BU+5V
BU+5V
VDD
TIME
+B
Q305
5A
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
IC300
IC301
IC504
IC502
IC701
IC801
IC700
IC702
ELECTRIC UNIT (X25-928x-xx)
IC203IC202
∗IC800
∗CN2
∗L303
∗R309
∗CF301
∗C515
∗R343

KMOQSLNPRT
KTC-V500E/N/P
CF100
J3
ANTENNA
J4
J1
J2
D101
D102
D104
D103
ONLY
D100
Q102 Q100
Q101
ONLY
(M,E)
Q400
ONLY
CN400
15kHz
Q401
(K,M)
(E) TYPE
D201
Q204
Q211
Q203
Q210
Q209
Q208
ONLY
(E) TYPE
RGB BUFFER
Q212
VIDEO
BUFFER
BUFFER VIDEO
BUFFER
BUFFER
TV VIF/CHROMA
Q200
TYPE
ONLY
ONLY
VIDEO
SW
TYPE
ONLY
TV DIVERSITY
(K,M) TYPE
(E) TYPE
SIF
AMPLIFIER
Q103
AMPLIFIER
VIF
(E) TYPE
Q207Q206Q205
RGB MUTE
Q202
BUFFER
Q201
(M)TYPE
(E)TYPE
IF
:IC200 TDA8842H
IC202,203 NJM2267V:
IC301
IC300
TDA9830T
AN5186F8
:
:
IC502
IC504
IC401
IC400
NJM4565M-TE2
TA2005SN
:
:
CM0018AM
BA7652AF
:
:
IC702
IC800
IC701
IC700
M5237ML:
:
BA6161F
TA78DS05F
:
:
Q211,212,306
Q702
Q703
Q500
Q400,501
Q309
Q205-207
Q200-204,208-210,303,304,
Q102,300-302,305,401,800
Q101,103
Q100
2SA1576A:
DTC143EUA
2SB1565F
2SD2396F40
:
:
DTC323TU
DTA114EUA
:
:
:
DTC144EUA
2SC4081
DTC124EUA
:
:
:
2SC2714(Y)
DTC143TUA
:
:
Q704,705 2SD1760:
D702
D709,710
D708
D706,707
D705
D700
D300,301
D201,302
D101-104
D100,303
MA8068-M:
MA8091-L
MA3056WA:
1SS250
MA8056-M
:
:
:
DAN202U
DAP236U
DA204U
:
:
:
RN739F
DAN235U
:
:
(X25-928x-xx)
∗
IF SW
VIDEO
MODE SW
ADJUST MODE
SW
IC801 PST9130NR:
Q700
Q701
DTC114YUA
2SB1443
:
:
307,308,706
B LINE
GND LINE
SIGNAL LINE
LINE
VIDEO SIGNAL
22K
22K 4.7K
10K
10K
22K
22K
47K
47K
47K
47K
47K
47K
H OUT
2
1
4
3
IF IN 1
6 5 8
7
IREF DEC AGC AGC OUT
10
9
12
11
DCSDEM AEXT SND IF
63
64 VRDA
61
62
RH1LF
58
59
60
56
57
A OUT
CHROMA
SCL IFVO RLLF
16
14
13 15
NC 13 NC 12 NC 14
18
17
19 DECBG
SDA
21
20
23
22
26
24
25
28
27
41
53
55
54
52
49 50 51 33
REFO
XTAL 1
RY OUT
RY IN
45 46 48 47
BY OUT
42 44 43
BLK IN
B OUT
G OUT
R OUT
R IN
G IN
RGB IN
B IN 37
38 40 39 34 36 35
31
29
30
32
LUM OUT
R2 IN
G2 IN
LUM IN
RGB2 IN
B2 IN
XTAL 2
SEC PLL
CVBSET
CVBSIT
VP3
CVBS/Y
VP1
CVBS20
GND 1
VRDB
EWD
GND 3
GND 2
RH2LF
FBISO
DET
CVBS10
DECDIG
VP2
VCS EHTO IF IN 2 AUDEEM
BY IN
BCL IN
2
1
4
3
IN 3
VCC
OUT
GNDIN 1
IN 2 CTL 1 CTL 2
5 7 8 6
ADV
VO
C CYNC
V INEO
2
1
CREF VCO IN RREF
4
3
23 24 21 22
V MODE
A VDD
D VDD
RESB
A GND
5
D GND O MODE NS OUT
7
6 8
20 18 19 17
A DET 1 ANT 1
916
ANT 4
ANT 3
ANT 2
A DET 4 A DET 2 A DET 3
10
11
12
15 14 13
11
10
9
8
7
6
5
4
3
2
1
PB
ANT
TU1
AGC
NC5
TU2
NC11
IF
MB
SCL
SDA
OUT 2
4
5
IN 2 OUT 1 GND
2
3
IN 1
1
OUT 1 GND 2 GND 1 IN
1
2
3
4
OUT 2
5
IN
1
OUT 3 OUT 2 OUT 1 GND
3
2
5
4
C120
100P
C124
100P
0.15uH
L110
12
11
10
9
100P
C121
100P
0.15uH
C125
L111
C122
100P
0.15uH
C126
100P
L112
C123
100P
L113
0.15uH
C127
100P
0.56uH
L105
0.56uH
L106
L107
0.56uH
0.56uH
L108
15
16
14
13
470
R115
0.01
C116
0.01
C117
0.01
C109
22u16
C115
+
C114 1000P
C107 4.7u50
+
C113 0.01
C110 47u6.3
+
C112 220u10
+
C111 220u10
+
W102
W101
W100
59
61
60
100
R107
100
R108
99
100
68uH
L104
L103
10uH
2.2K
R121
2.2K
R118
2200P
C119
0.01
C118
150
R116
12K
R117
47
R120
680
R119
2200P
C128
TP5
2200P
C100
2200P
C101
6.8K
R109
2.2K
R110
0.01
C103 47
R113
680
R102
0.01
C104
12K
R105
150
R112
1uH
L101
2200P
C102
2.2K
R106
47
R103
2.7uH
L100
L115 10uH
C413 100P
R413 100
R409 1K
C414 100P C416 100P C418 100P
R412 100
R411 100
R410 100
C421 1000P C422 1000P C424 1000P C423 1000P
R408 1K
R406 1K
R407 1K
C415 100P C417 100P C420 100P C419 100P
9
10
11
12
16
15
14
13
0.01
C411
4700P
C405
47K
R403
3300P
C407
4.7K
R405
0.01
C412
C409 0.01
47u6.3
+
C410
10uH
L400
21
5K
VR400
22K
R402
0.01
C406
8.2K
R404
33K
R401
33P
C408
100
R400
0.1
C401
W400
0.022
C404
0.01
C400
0.01
C402
0.01
C403
C213 1000P
C2141000P
C215 0.01
R215 39K
0.47u50
C216
+
C217 0.1
C221 10P
0.1 390
100 100
C222 0.022
2.2u50
C223
+
C220 R217 99
100
R210
10K
22K
R209
C207 100P
C208 47u16
+
27K
R204
100K
R208
47
R227 5.6uH
L201
390
R226
390
R230
470
R224
0.01
C227
0.01
C226
C229 0.047
0.22
C228
0.22
C231
1K
R231
C224
0.047
R223
1K
1K
R222
R225 470 R228 470 R229 470
R221
1K
1K
R234
1K
R233
1K
R232
470
R240
1.5K
R239
CF200
OUT IN
1u50
+
C202
15K
R203
C205 4700P
C204 2200P
C201 1000P
1u50
+
C203
0.1
C200
100K
R202
47
R207
470
R201
470
R200
C206 0.1
L200 10uH
C211
27P
22K
R218
10K
R216
X201
4.434MHz
31
32
33
R220 R219
100
99
A+8V
A+5V
A+8V
A+5V
V+5V
A+5V
T+8V
A+8V
A+8V
A+5V
Q205-207
Q208-
210
10K
R213
4700P
C209
10K
R205
4.7K
R206
470P
C212
10K
R211
39K
R212
27K
R214
0.01
C225
C108 0.01
3.3K
R101
KTC-V500N (K)
KTC-V500P (M)
KTC-V500E (E)
DESTINATION
CF102
NO
L72-0766-05
L72-0771-05
CF301
L72-0751-05
L72-0707-05
NO
L109
1.5uH
1uH
1uH
2.2uH
L114
1uH
1.2uH
0.015
0.015
0.022
C515
R309
T+8V
T+8V
T+8V
T+8V
T+8V
T+8V
T+8V
V+5V
V+5V
V+5V
V+5V
A+5V A+8VA+8V
A+5V
A+8V
A+5V
A100
W02-3157-15
W02-3127-25
W02-3191-15
R100 10K R104 10K
Q100,102
Q401
+B
CN2
KTC-V500P (M)
KTC-V500N (K)
KTC-V500E (E)
DESTINATION
L30-0745-05 (45.75)
L30-0749-05 (38.9)
L30-0749-05 (38.9)
L303
560
330
R343
NO
NO
NO
E40-9706-05
39K
39K
68K
IC400
IC401
CF101
KTC-V500E/N/P (E/K/M)
IC200
∗CF102
∗A100
∗L114
∗L109
CAUTION: For continued safety, replace safety critical com-
ponents only with manufacturer's recommended parts (refer
to parts list). indicates safety critical components. For
continued protection against risk of fire, replace only with
same type and rating fuse(s). To reduce the risk of electric
shock, leakage-current or resistance measurements shall be
carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the cus-
tomer.
DTC114YUA
DTC143TUA
2SA1576A
2SC2714 2SD1760
2SB1443 DTC323TU
2SC4081
DTA114EUA
DTC124EUA
DTC143EUA
DTC144EUA NJM4565M-TE2
DAN202U DA204U
PST9130NR M5237ML