
SCHEMATIC DIAGRAM
MODEL : 21JZ3E/21JZ3ES/21JZ5E/21JZ5ES/
21JZ5MJ/21JZ5T
WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY
PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL.
CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components
which have special characteristics important for safety and should be replaced only with types identical to those in the
original circuit or specified in the parts list. The mounting position of replacements is to be identical with originals.
Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE on the MANUAL for this
model. Do not degrade the safety of the receiver through improper servicing.
NOTE:
1. RESISTOR Resistance is shown in ohm [K = 1.000, M = 1.000.000]. All resistors are 1/6W and 5% tolerance
carbon resistor, unless otherwise noted as the following marks.
1/2R = Metal or Metal oxide of 1/2 watt 1/2S = Carbon compsistion of 1/2 watt
1RF = Fuse resistor of 1 watt 10W = Cement of 10 watt
±10% G = ±2% F = ±1%
K =
2. CAPACITOR Unless otherwise noted in schematic, all capacitor values less than 1 are expressed in F, and
the values more than 1 in pF.
All capacitors are ceramic 50V, unless otherwise noted as the following marks.
Electolytic capacitor Mylar capacitor
3. The parts indicated with "
4. Voltages read with DIGITAL MULTI-METER from point indicated to chassing ground, using a color bar signal with
all controls at normal, line voltage at 220 volts.
5. Waveforms are taken receiving color bar signal with enough sensitivity.
6. Voltage reading shown are nominal values and may vary ±20% except H.V.
SCHEMATIC DIAGRAM STRUCTURE:
– MAIN Circuit [ SHEET– 1/2 ] .......................................................................... 1/3
– CRT-D Circuit ..................................................................................................................................... 3/3
" have special characteristics, and should be replaced with identical parts only.
– [ SHEET– 2/2 ] .......................................................................... 2/3
– 29 –

W662
SPK-1422AE
SPK-1422AM
SPK-1422AF
W661
SPK-1422AE
SPK-1422AM
SPK-1422AF
P661
JACK
TO
CRT-D BOARD
P501B
RA52
3.9K
QA52
+9V
RA54
470
CA52
KTA2014Y
B1500p
CA51
B2700p
D101
HZT33-12
G101
SHORT
R178
10k
R179
2.2k
B9
+32V
G9
R181 R180
RA51
3.9K
22K 47K
2021222324
R9
22K10k
RA37
RA36
KTC4075Y-RTK
QA51
RA02
10k
CA02
100p
SW2
POWER_MUTE
Q610
AN5274
Mute
KETSU
GJ20
SHORT
GJ22
*
MONO
SHORT
M501
PLUG 5P
G219
SHORT
RA42
2.2k
RA41
100
QA53
KTA2014Y
CA54
33u
+
CA55
1.0u
RA57
680
RA56
560K
C187
KETSU
R167
R166
10k
+
2
R
1
1
2
3
+
4
2
L
1
L
R
P601
4P
Q104
SHORT
C671
KETSU
KTC4075Y-RTK
GJ27
10k
R168
47K
R662
1/2R220
GJ25
SHORT
C674
KETSU
KETSU
C672
KETSU
1/2R220
R663
R172
1.6K
R173
C673
R169
1K
Q103
R171
47K
1.6K
R182
GJ28
KETSU
R174
1k
47K
OPEN
GJ18
OPEN
LZ02
KETSU
L662
OPEN
L661
OPEN
RA43
3.3k
CA53
RA55
68k
CH180
+
RA53
12K
+
C188
KETSU
+5V-1
R175
22K
R176
47K
KTC4075Y-RTK
Q115
R177
22K
SW1
C616GJ19
25V470u
R
C630
25V470u
L
++
KTC4075Y-RTK
In1
24 7610912118531
GJ17
CA60
2.2u
RA04
4.7k
Vol.
2.2u
C607
2.2u
C606
GJ17
*
U902 MAIN - SEL04011
QA02
AT24C08
AT24D08-10PC
GND
A2
3412
A1
A0
DA60
KETSU
+
RA60
RA35
RA01
330
RA03
SHORT
RMT
C131
0.01u
In2
RR
+++
2.2u
25V100u
C608
C609
AV-STEREO
OPEN
SDA
SCL
WP
VDD
18k
1k
R140
100
C141
100p
QB30
QB43
DTC123JKA
RF
+
63V0.047
C610
R604
22
SDA1
EXT/TV
KTC4075Y-RTK
Out2
R606
22K
M
+9V
5678
R141
RA89
SHORT
CA30
CH27
RMT-IN
SCL1
330
R143
NF2
R144
DA14
OPEN
DA11
OPEN
QA60
RA05
TV-SYNC
KEY
C132
R142
1k
33K
10k
RB30
10k
1SS355-TE17
GND
C611
50V10
1k
R605
CA69
KETSU
RA63
KTC4075Y-RTK
CA56
KETSU
1K
MUTE
POWER
GND
RESET
25V0.1
51K
R136
10k
R135
R150
SHORT
R194
Q196
1k
KTC3198Y
DB30
NF1
Vcc
R607
22K
+
++
C629
1000uF
1k
R608
SOUND GND
POWER MUTE
SELECT
RMT
+
CA68
KETSU
RA07
SHORT
10K
RA06
VOL
23476683
XA01A
22p
CA03
50V10
C613
Q611
*
X-TAL
Out1
M
R609
OPEN
12K
CA58
22
DA12
R196
C614
R611
22K
OPEN
100P
1k
Q610A
C612
50V22
CA57
SCL0
X-TAL
XA01
22p
CA04
SCL
SDA
23477751
63V0.047
+
RA62DA13
10k
RA61
10k
+5V-1
LA01
KETSU
OPEN
CA67
SHORT
CA42
16V 10u
+
C113
B1000p
*
COPPER SIDE B PIN10&55
5V
SDA0
SYSTEM
TEST5VGND
+
B25V0.01
C121
8MHZ
GJ21
SHORT
C120
L115
SHORT
16V 10u
C115
KETSU
+5V-1
RESET
POWER
R635
*
C637
*
SOUND VCC
GND
GND
R491
10k
R632
2.7K
C633
0.082u
CA45
LA02
M
M
OPEN
C223
33p
B25V0.01
24105330Q
SHORT
GND
FBP-IN
SCP-OUT
+9V
D222 D221D223
OPEN OPEN
47
R230
B-OUT
H-OUT
R435
C436
0.47u
Q613
*
R631
27K
R634
*
R229
47
Q100
*
C437
8.2k
+
TAIWAN ONLY
Z130A
TSF1248P
C221C222
33p33p
R9G9B9
C135
B2200p
SHORT
GL525
+
C524
47uF
30K
OPEN
R145
+
R228
47
C525
R146
4748 4546 3839 3536 33343742 4144 43 40
4957 566164 6263 5860 59 5354 51 505255
IK-IN
R-OUT
G-OUT
RBG-9V
APC-FIL
H-AFC
V-SA W
V-OUT
H-Vcc
YS-IN
17 1918 23 24 26 28 31 3229 3027252120 22
1610 12116312 548971513 14
M
+
C231
C315
B8200p
M0.47u
C435
C434
16V1000
50V10000
SHORT
L432
C315 GND CLOSE TO Q100
SCL SDA
H DRIVE
VIN
C634
0.056u
C631
0.47u
M
R630
1.5k
C632
KETSU
C638
*
MM
C635
*
M
R633
C636
*
OPEN
AV-STEREO ONLY
C136
0.22u
C216
1.0u
220k
50v0.01
(L)
+
(R)
+
+
B-Y1 BLACK-DET
GJ15
SHORT
+32V
GL511
C516
MONITOR OUT
Y-I N
50v0.01
C232
GJ16
SHORT
POWER
+5V-2
PL-10
KETSU
YC-5V
R-Y1
+5V-1
C110
B25V0.01
+
16V 10u
C517
FBP2
FBP1
RF-AGC
TV-GND
5 PIN Type
4 PIN Type
5
54321
B102
R118
*
L112
TEM2014
KETSU
A
LA03
IF-IN
IF-IN
1
EXT-IN
C-IN
C107
+
KETSU
C432
7L16V10u
47
GR160
SHORT
GL431
+
C192
0.47u
R434
1/2R270
ABCL
V-IN
R603
22K
2314
L514
PL-12
B1000p
C502
IF-GND
Digi-5V
C433
ABCL
2143
GJ05
*
C114
50V0.01u
IF-AGC
TV-IN
0.01
+
C189
*
GJ03 SHORT
GJ04
C566
KETSU
+
C567
B25V0.01
M
R119
OPEN
C130
C123
1.0u
AUDIO OUT
ABCL-IN
+
M0.1
C226
M
D224
R217
100K
0.47u
C227
+12V
D612
MA111
R612
10K
Z130
GJ06
*
OPEN
C565
B25V0.01
++
4.7u
S Reg
AUDIO OUT
C224
16V10u
+
C109
1SS355-TE17
M
GL512
M0.1
Q620
R116
*
D150
*
*
R117
LA04
SHORT
R120
680k
+
IF Vcc(5V)
IF-Vcc(9V)
C116
KETSU
SHORT
GJ31
OPEN
Q612
2SA1586-Y
Q130
*
R149
OPEN
C526
R121
220
C528
PIF-PLL
TV-OUT
B25V0.01
R139
3.3k
GJ30
SHORT
+
MULIT ONLY
R113
*
B1000p
C523
+
16V10u
0.47u
DC NF
SIF-OUT
R106
3.3k
+9V
C615
100uF
C150
*
R114
*
R115
OPEN
C129
B1000p
GJ07
KETSU
C170
B25V0.01
R122
100
100p
C133
Hcorr/SIF-IN
EXT-AUDIO
MA111
D622
2SC3357
GJ12
Q100A
+12V
R191
33
Q101
R112
*
GJ100
KETSU
*
23464896
R130
100
KTA1266Y
+5V-1
R123
10k
C166
Q109
PRE AMP
L103
*
0.01
FBP1
A
R111
C167
R110
*
*
C103
R124
*
R192
33
R108
*
*
KTC4075Y-RTK
Q120
L162
68u
+
*
100uF
220
R131
*
FBP2
R133
*
*
R134
+5V-2
LA05
10u
R109
6.8K
C118
B1000p
ZC02
*
Z101
Z102
*
*
Z103
*
H DRIVE
C103
C104
GJ111GJ110
G889
10KETSUSHORT
H001
*
NC
KETSU
5V
C102
+M
C101
THAI ONLY
Q113
*
6578
OUT
1
SW
3412
GJ08
*
QB60
16V220
L101
+
L109
*
Vcc
IN2
KTC4075Y-RTK
IN3
SW2
SDANCADR
82u
L105
SDA
R128
*
C112 C180C111
**
(NC)
(NC)
RA74
10k
RA75
QB61
*
TRF4229AJ
SCL
Q108
MM1113XF
*
*
32V
NC
1F
SL1
L102
C104
A
*
+
C172
*
*
*
*
+
CC08
OPEN
LC04
OPEN
MULTI ONLY
L171
*
OPEN
C177
*
OPEN
R105
CC02
KETSU
R126
*
R125
*
GND
IN1
SW1
RA76
4.7k
SW2
RA77
*
C108
0.47uF
GR106
*
*
*
LC01
A
*
R107
*
ZC01
*
+9V
A
A
A
C176
C171
*
C174
50V33PF
RC02
SHORT
*
C175
50V33PF
GJ11
SHORT
R170
OPEN
*
*
33p
C178
OPEN
*
G102
SHORT
L106R132
*
L107
*
L108
SCL
GJ02
*
L104
*
+
4.7k
TRF4229AJ
Q114
R127
*
C173
GJ09
*
GJ01
*
4.7k
*
R129
*
KTA2014Y
Q116
C137
0.01u
Vt
12K
GJ10
*
R190
100
*
2.2K
R137
R138
R148
AGC
13571011 9 8 6 4 2
CC01
R103
*
Q112
2SC4116-Y
0.01
*
35V4.7u
*
Z106
*
Q111
GJ101
KETSU
*
*
R158
1.5k
R147
1.5k
+
Z104
C179
R101R102
56K
*
C138
KETSU
R104
TP12
C105
KETSU
+
TV-AUDIO OUT
TP15C106
+9V
+5V-2
GJ81GJ80
KETSUKETSU
Q108
SW1
I/0 IN3
OUTSW2
00
IN1
0I
IN2
I
GR400
SHORT
1
CV10
RV11
RV12
QS02
RS02
470
RV13
100
QS01
2SC3326B
RS05
OPEN
RS08
OPEN
CS02
16V10
180
+
CS13
*
GR02
SHORT
CS05
*
OPEN
CS14
OPEN
+9V
RS03
10k
+
CS03
OPEN OPEN
RS11
CS11
+
*
*
RS12
*
+
CS12
KETSU
*
G110
QV10
KTA1266Y
CS04
*
GR04
*
GR05
*
*
75
GR01
SHORT
10V470u
+
6P JACK
PV01
*
3L
VIDEO
2L
AUDIO (L)
1L
AUDIO (R)
AV-STEREO ONLY
3R
VIDEO
2R
AUDIO (L)
AUDIO (R)
1R
AV-STEREO ONLY
E1
BACK AV
MONITOR OUT
C111
C112
C150
C171
C172
C173
C179
C180
C635
C637
C638
CS08
CS11
CV13
D150
DB02
GJ05
GJ06
GJ08
GJ09
GJ10
GJ12
GJ17
GJ24
GR04
GR05
GR06
GR106
L102
L103
L106
L107
L108
L109
LC01
PV01
PV02
Q111
Q113
Q114
Q130
Q611
Q613
Q620
QB61
QS02
QV14
R103
R104
R105
R107
R108
R110
R111
R112
R113
R114
R116
R117
R118
R124
R125
R126
R127
R128
R129
R132
R133
R134
R137
R138
R624
R633
R634
R635
RA75
RA77
RS07
RS09
RS11
RS12
U902
Z101
Z102
Z103
Z104
Z106
Z130
ZC01
ZC02
HVcc
+9V
+5V-2
RV02
75
RS04
CS07
QV14
OUT
SW
6578
Vcc
(NC)
IN2
(NC)
3412
+
CS08
*
CS09
OPEN
AV-STEREO ONLY
*
RS07
*
QV13
+9V
+5V-2
Q621
R621
KETSU
KETSU
GJ23
SHORT
R622
SHORT
CV12
KETSU
CV11
16V22u
MM1111XF
6578
Vcc
OUT
(NC)
GND
IN1
IN2
SW
(NC)
3412
CS01
++
16V22u
CS06
OPEN
QV13 & QV14
0IN1
I
RESET
+12V
SOUND Vcc
+9V
SOUND GND
POWER MUTE
+32V
VIN
POWER
H DRIVE
+5V-1
HVcc
SELECT
ABCL
RMT
+5V-2
FBP1
FBP2
OUTSW
IN2
RS06
SHORT
R623
KETSU
GND
16V22
IN1
+
CV13
Q622
KETSU
R624
*
GJ24
*
CV14
KETSU
22K
OPEN
GR03
SHORT
CS15
B1000p
GR06
*
RS09
RA73
5.6k±G
RA72
11KG
RA71
16KG
RA79
30KG
RA78
110KG
CS10
OPEN
CS16
OPEN
SOUND VCC
SOUND GND
POWER MUTE
CA01
B10000p
*
SIF
SOUND±VCC
POWER±MUTE
RESET
+12V
+9V
+32V
VIN
POWER
HDRIVE
+5V-1
HVcc
ABCL
+5V-2
FBP1
FBP2
GND
PV02
*
3P JACK
VIDEO
R
AUDIO (L)
M
L
AUDIO (R)
AV-STEREO ONLY
2-B11
SIF
2-B9
GND±1
2-B6
RESET
2-B6
+12V
2-B10
+9V
2-B6
+32V
2-B8
VIN
2-B7
POWER
2-B8
HDRIVE
2-B6
+5V-1
2-B7
HVCC
2-B8
ABCL
2-B9
+5V-2
2-B8
FBP1
2-B8
FBP2
2-B9
GND±1
SA01
CH UP
SA02
CH DN
SA03
VOL UP
SA04
VOL DN
SA05
VIDEO
SA06
MENU
FRONT AV
2-B6
2-B6
21JZ3E 21JZ3ES 21JZ5E 21JZ5ES 21JZ5MJ 21JZ5T
50V B 0.01UF
50V B 0.01UF
---
---
50V F 0.01UF
16V 10UF
16V 10UF
16V 10UF
---
---
---
---
---
---
---
---
KDS160-RTK/USC
L-2523IT
---
SHORT
---
---
SHORT
SHORT
SHORT
---
---
---
---
---
TRF4109AJ
TRF4129AJ
TRF4120AJ
TRF4120AJ
TRF4270AJ
---
TRF4R22AJ
JACK, 4P
PIN JACK 2P
---
---
---
KTC2875B-RTK
KTC4075Y
---
SRA2204S
KTC4075Y
---
---
---
---
1/20W 330
1/20W 33
1/20W 2.7K
1/20W 1K
1/20W 36
SHORT
1/20W 2.2K
1/20W 4.7K
1/20W 6.8K
1/20W 2.2K
---
1/20W 1K
---
---
---
---
---
1/20W 270
1/20W 270
1/20W 560
---
---
---
---
---
---
1/20W 10K
1/20W 4.7K
---
---
---
---
PD1892 21
TCF1097
TCF1116
4.5MHZ, TCF1138AM
---
---
F816KPL
39.5MHZ TCF1107
TCF1120AM
---
---
---
---
50V F 0.01UF
16V 10UF
16V 10UF
16V 10UF
---
---
---
---
---
---
---
---
KDS160-RTK/USC
L-2523IT
---
SHORT
---
---
SHORT
SHORT
SHORT
---
---
---
---
SHORT
---
TRF4R47AJ
TRF4120AJ
TRF4120AJ
TRF4270AJ
---
---
JACK, 4P
PIN JACK 2P
---
---
---
KTC2875B-RTK
---
KTC4075Y
SRA2204S
KTC4075Y
---
---
---
---
1/20W 120
---
1/20W 1.2K
1/20W 680
1/20W 33
1/20W 220
1/20W 2.2K
1/20W 4.7K
1/20W 6.8K
1/20W 2.2K
1/20W 820
---
---
---
---
---
---
1/20W 270
1/20W 270
1/20W 560
---
---
---
---
---
---
1/20W 10K
1/20W 4.7K
---
---
---
---
PD1892B
TCF1097
TCF1092
4.5MHZ, TCF1138AM
---
---
F816KPL
---
---
50V B 0.01UF
50V B 0.01UF
---
---
50V F 0.01UF
16V 10UF
16V 10UF
16V 10UF
---
---
50V 0.47UF
50V 0.082UF
50V 0.056UF
16V 22UF
16V 10UF
16V 22UF
KDS160-RTK/USC
BT-H254N-31-SH
---
SHORT
---
---
SHORT
SHORT
---
SHORT
SHORT
SHORT
SHORT
---
TRF4109AJ
TRF4129AJ
TRF4120AJ
TRF4120AJ
TRF4270AJ
---
TRF4R22AJ
JACK, PIN 6P
PIN JACK 3P
---
---
---
KTC2875B-RTK
KTC4075Y
KTC4075Y
SRA2204S
KTC4075Y
KTC2875B-RTK
MM1111XF
---
---
1/20W 330
1/20W 33
1/20W 2.7K
1/20W 1K
1/20W 36
SHORT
1/20W 2.2K
1/20W 4.7K
1/20W 6.8K
1/20W 2.2K
---
1/20W 1K
---
---
---
---
---
1/20W 270
1/20W 270
1/20W 560
---
---
SHORT
1/20W 1.5K
1/20W 27K
1/20W 2.7K
1/20W 10K
1/20W 4.7K
SHORT
1/20W 22K
1/20W 470
1/20W 10K
PD1892A
TCF1097
TCF1116
4.5MHZ, TCF1138AM
---
---
F816KPL
39.5MHZ TCF1107
TCF1120AM
---
---
---
---
50V F 0.01UF
16V 10UF
16V 10UF
16V 10UF
---
---
50V 0.47UF
50V 0.082UF
50V 0.056UF
16V 22UF
16V 10UF
16V 22UF
KDS160-RTK/USC
BT-H254N-31-SH
---
SHORT
---
---
SHORT
SHORT
---
SHORT
SHORT
SHORT
SHORT
SHORT
---
TRF4R47AJ
TRF4120AJ
TRF4120AJ
TRF4270AJ
---
---
JACK, PIN 6P
PIN JACK 3P
---
---
---
KTC2875B-RTK
KTC4075Y
KTC4075Y
DTC114EUAT106
KTC4075Y
KTC2875B-RTK
MM1111XF
---
---
1/20W 120
---
1/20W 1.2K
1/20W 680
1/20W 33
1/20W 220
1/20W 2.2K
1/20W 4.7K
1/20W 6.8K
1/20W 2.2K
1/20W 820
---
---
---
---
---
---
1/20W 270
1/20W 270
1/20W 560
---
---
SHORT
1/20W 1.5K
1/20W 27K
1/20W 2.7K
1/20W 10K
1/20W 4.7K
SHORT
1/20W 22K
1/20W 470
1/20W 10K
PD1892C
TCF1097
TCF1092
4.5MHZ, TCF1138AM
---
---
F816KPL
---
---
---
---
---
---
50V F 0.01UF
16V 10UF
16V 10UF
16V 10UF
---
---
50V 0.47UF
50V 0.082UF
50V 0.056UF
16V 22UF
16V 10UF
16V 22UF
KDS160-RTK/USC
BT-H254N-31-SH
---
SHORT
---
---
SHORT
SHORT
---
SHORT
SHORT
SHORT
SHORT
SHORT
---
TRF4R47AJ
TRF4120AJ
TRF4120AJ
TRF4270AJ
---
---
JACK, PIN 6P
PIN JACK 3P
---
---
---
KTC2875B-RTK
KTC4075Y
KTC4075Y
SRA2204S
KTC4075Y
KTC2875B-RTK
MM1111XF
---
---
1/20W 120
---
1/20W 1.2K
1/20W 680
1/20W 33
1/20W 220
1/20W 2.2K
1/20W 4.7K
1/20W 6.8K
1/20W 2.2K
1/20W 820
---
---
---
---
---
---
1/20W 270
1/20W 270
1/20W 560
---
---
SHORT
1/20W 1.5K
1/20W 27K
1/20W 2.7K
1/20W 10K
1/20W 4.7K
SHORT
1/20W 22K
1/20W 470
1/20W 10K
PD1892D
TCF1097
TCF1092
4.5MHZ, TCF1138AM
---
---
F816KPL
---
---
---
---
50V CH 47PF
50V CH 47PF
---
---
---
---
50V B 0.01UF
50V B 0.01UF
50V 0.47UF
50V 0.082UF
50V 0.056UF
16V 22UF
16V 10UF
16V 22UF
---
BT-H254N-31-SH
SHORT
---
SHORT
SHORT
---
---
---
SHORT
SHORT
SHORT
SHORT
SHORT
---
TRF4R47AJ
---
---
TRF4829AJ
TRF4120AU
---
JACK, PIN 6P
PIN JACK 3P
KTA2014Y
KTC4075Y
2SC5343-YL
---
KTC4075Y
KTC4075Y
SRA2204S
---
KTC2875B-RTK
MM1111XF
1/20W 100
1/20W 2.2K
1/20W 120
---
1/20W 1.2K
1/20W 680
1/20W 33
1/20W 220
---
---
---
---
1/20W 820
---
1/20W 2.2K
1/20W 100
1/20W 10K
1/20W 10K
1/20W 1K
---
---
1/20W 220
1/20W 220
1/20W 220
SHORT
1/20W 1.5K
1/20W 27K
1/20W 2.7K
---
---
SHORT
1/20W 22K
1/20W 470
1/20W 10K
PD1892E
---
---
TCF1113
TCF1135AM
TCF1030
OFWK2964M
---
---
RB09
SHORT
CB01
KETSU
BT-H25N-31-SH
4343VRT
L-25231T
L-59EGW
339-1EVGW
SLR_56MC3FPQR
DB02
*
RB01
270
+
GJ13
0.6
DB01
OPEN
LED HOLDER
23451103
DB02A
KB01
PIC-TB17
PIC-TB19
21JZ3E/21JZ3ES/21JZ5E/21JZ5ES/21JZ5MJ/21JZ5T
MAIN
SHEET-1/2
21JZ5/21JZ3
MAIN
(1/3)