Pioneer SD-T50W1 Service Manual

ORDER NO.

ARP3036

PROJECTION COLOUR TELEVISION

SD-T50W1

This service manual should be used together with the following manual(s):

Model No.

SD-T50W1

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Type

WYZI7/2 AC220–240V

Model

SD-T50W1

ARP2932

Power Requirement

RemarksOrder No.

Remarks

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 1999

O–ZZR JULY 1999 Printed in Japan

SD-T50W1

1. CONTRAST OF MISCELLANEOUS PARTS

NOTES : ÷ Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List.

÷ The

÷ When ordering resistors, first convert resistance values into code form as shown in the following examples.

÷ Parts marked by
÷ Parts marked by × are important parts which relate in X-rays radiation. If a failure occurs in any of these parts, replace the

÷ Reference Nos. indicate the pages and Nos. in the service manual for the base model.

mark found on some component parts indicates the importance of the safety factor of the part.

Therefore, when replacing, be sure to use parts of identical designation.

Ex. 1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by

J = 5%, and K = 10%).

1

560 Ω = 56 × 10
47k Ω = 47 × 10

= 561................................................... RD1/4PU 5 6 1 J

3

= 473 .................................................. RD1/4PU 4 7 3 J

0.5 Ω = R50 ...................................................................... RN2H Â 5 0 K

1 Ω = 1R0 ......................................................................... RS1P 1 Â 0 K

Ex. 2 When there are 3 effective digits (such as in high precision metal film resistors).

5.62k Ω = 562 × 10 1 = 5621 ........................................... RN1/4PC 5 6 2 1 F

are important parts which relate in X-rays radiation.

If any of these parts need to be replaced, always replace with specified parts.

printed circuit board assembly where the relevant part has already been adjusted as a working component. Do not replace the
actual part itself. If any part marked by × is replaced, there is danger of being exposed to X-rays.

CONTRAST TABLE

SD-T50W1/WYZI7/2 and SD-T50W1/SL are constructed the same except for the following:

Ref.

No.

Mark

Symbol and Description

SD-T50W1 SD-T50W1

SL WYZI7/2

P14–1 CONVERGENCE ASSY AWV1520 AWV1547 ∗2
P16–2 VIDEO • UCOM ASSY AWV1542 AWV1566 ∗2

NSP TUNER ASSY AWV1543 AWV1589

P14–3 TUNER ASSY AWZ6075 AWZ6155 ∗2
P14–4 R CONV DAC ASSY AWZ6076 AWZ6076
P14–5 G CONV DAC ASSY AWZ6077 AWZ6077
P14–6 B CONV DAC ASSY AWZ6078 AWZ6078
P16–7 A CONNECTOR ASSY AWZ6079 AWZ6079
P16–8 B CONNECTOR ASSY AWZ6080 AWZ6080
P14–9 C CONNECTOR ASSY AWZ6081 AWZ6081

NSP AV I/O ASSY AWV1544 AWV1567

P16–10 AV I/O ASSY AWZ6082 AWZ6121 ∗2
P15–11 FRONT CONTROL ASSY AWZ6083 AWZ6122
P16–12 AV2 ASSY AWZ6084 AWZ6084
P14–13 S TERMINAL ASSY AWZ6085 AWZ6085

NSP CRT DRIVE ASSY AWV1545 AWV1781

P16–14 AUDIO ASSY AWZ6086 AWZ6123 ∗2
P17–15 R CRT DRIVE ASSY AWZ6087 AWZ6087
P17–16 G CRT DRIVE ASSY AWZ6088 AWZ6088
P17–17 B CRT DRIVE ASSY AWZ6089 AWZ6089
P14–18 AC IN ASSY AWZ6090 AWZ6420
P16–19 Y/C ASSY AWZ6091 AWZ6091
P16–20 D CONNECTOR ASSY AWZ6092 AWZ6092
P14–21 POWER DOWN ASSY AWZ6093 AWZ6093
P14–22 RELAY DRIVE ASSY AWZ6094 AWZ6094

Part No.

Remarks

P16–23 POWER SUPPLY ASSY AWV1546 AWV1767 ∗2
P16–24 DIGITAL ASSY AWV1659 AWV1659

TV FRONT END AXF1085 AXF1085
RELAY ASSY Not used AWV1768 ∗1 No. 1, ∗2

*1: The numbers in the remarks column correspond to the numbers on the " EXPLODED VIEWS ".
*2: Refer to " 2. SCHEMATIC DIAGRAM ".

2

SD-T50W1

Ref.

No.

Mark

Symbol and Description

SD-T50W1 SD-T50W1

Part No.

SL WYZI7/2

PACKING

P8-152 Operating Instructions (English) ARB1500 Not used

Operating Instructions Not used ARC1500
(Dutch/Swedish/Spanish/Portuguese)
Operating Instructions Not used ARE1342

(English/French/German/Italian)
P8-155 NSP Caution Label 220V ARR1002 Not used
P8-156 NSP Warranty Card ARW1020 ARY7022
P8-158 Remote Control Unit AXD1424 AXD1440

(CU-SD097) (CU-SD106)
P8-160 NSP Battery (R03, AAA) AEX–021 DCX1023
P8-165 Upper Carton AHD2846 AHD3010

NSP Caution Card Not used AAX1756
NSP Conver Caution Not used ARM1113
NSP X-Rays Approval S Not used ARY1082
NSP Schematic Diagram 1 Not used ARH1164
NSP Schematic Diagram 2 Not used ARH1165
NSP Schematic Diagram 3 Not used ARH1166
NSP Adjustment Not used ARH1157
NSP Caution Card Not used ARM1065

FRONT VIEW

P9-145 Badge AAM1068 AAM1083

Remarks

REAR VIEW

P13-45 AC Power Cord ADG1109 Not used
P13-97 Spacer AEC1594 Not used
P14-57 3P Lead Wire with Housing (J10) ADX2244 ADX2273

GRILLE AND CONTROL PANEL

P15-26 Control Panel AMB2524 AMB2646
P15-58 Wire Harness C (J11) ADX2245 ADX2538
P15-143 Control Sheet AAK2668 AAK2734

CHASSIS SECTION

P16-34 Voltage Selector (S1) AKX7001 Not used
P16-56 Wire Harness B (J19) ADX2243 ADX2269
P16-70 Rear Panel ANC2276 ANC2325

OTHERS

Cabinet 50 (WOOD) AMM2604 AMM2712
Plug Cord (J20) ADE–082 ADE1157
2P Lead Wire with Housing (J12) ADX2246 Not used
3P Lead Wire with Housing (J12) Not used ADX2537 ∗2
Cut Wire (J14) ADX2248 Not used
Cut Wire (J15) ADX2249 Not used
Cut Wire (J16) ADX2250 Not used
Cut Wire (J17) ADX2251 Not used

Choke Coil (L4) Not used ATL1128 ∗1 No. 2, ∗2
Ferrite Core (L5, L6) Not used ATX1019 ∗1 No. 3, ∗2
Block Core (L7) Not used ATX1030 ∗1 No. 4, ∗2
Holder Not used ANG2130 ∗1 No. 5
Fixed Mold Not used AEC1600 ∗1 No. 6
CU Packing Case (for AC power cord) Not used AHC1029 ∗1 No. 7

NSP Release Tie Not used AEC1723 ∗1 No. 8
NSP CR Holder Not used ANG1867 ∗1 No. 9

PVC Sheet Not used AEC1792 for Mirror Case
Screw (for Bottom Rail) Not used BYC40P200FZK

*1: The numbers in the remarks column correspond to the numbers on the " EXPLODED VIEWS ".
*2: Refer to " 2. SCHEMATIC DIAGRAM ".

3

SD-T50W1

EXPLODED VIEWS

Screw

(BYC40P160FMC)

2

Rear Panel

4

Rear Panel

5

3

5

6

Rear Panel

8

Screw

(BBZ30P080FZK)

Binder

(AEP-215)

(BBZ30P080FZK)

7

Screw (ABA1020)

Screw

(ABA1198)

Screw

1

Rear Cover

(BYC40P120FZK)

9

Screw

4

CONTRAST OF PCB ASSEMBLIES

VIDEO • UCOM ASSY

AWV1566 and AWV1542 are constructed the same except for the following:

SD-T50W1

Mark

Symbol and Description

AWV1542 AWV1566

VIDEO BLOCK

C1184–C1186 Not used CKDYB102K50 ∗
C1187 Not used CCDSL221J50 ∗
C1188 Not used CKDYF103Z50 ∗
C1189 Not used CKDYB222K50 ∗
C1190 Not used CCDSL470J50 ∗

UCOM BLOCK

C3348, C3349 Not used CKDYF103Z50 ∗
R3482 Not used RD1/4PU103J ∗
R3483 RD1/4PU103J Not used

∗: Refer to " 2. SCHEMATIC DIAGRAM ".

AV I/O ASSY

AWZ6121 and AWZ6082 are constructed the same except for the following:

Part No.

Mark

Symbol and Description

AWZ6082 AWZ6121

AV I/O BLOCK

D1825, D1826, D1828, D1829, D1831, HSS104-02 Not used
D1832
D1827, D1830 MTZJ12 Not used
C1867, C1868 CEAS4R7M50 Not used
C1869, C1870 CEAS220M50 Not used
C1871 CKCYF103Z50 Not used
C1884, C1885 Not used CCDSL560J50 ∗
CN1811 Plug 10-P KM250MA10 Not used

Part No.

Remarks

Remarks

TELETEXT BLOCK

R2052 Not used RD1/4PU101J ∗

∗: Refer to " 2. SCHEMATIC DIAGRAM ".

FRONT CONTROL ASSY

AWZ6122 and AWZ6083 are constructed the same except for the following:

Mark

Symbol and Description

AWZ6083 AWZ6122

Q3901, Q3902 2SC2458 Not used
D3901, D3902 MTZJ15 Not used
C3902, C3903 CEAS4R7M50 Not used
C3905 CKCYF473Z50 Not used
C3906 CEAS470M25 Not used

R3901, R3902 RD1/4PU474J Not used
R3903–R3905 RD1/4PU750J Not used
R3906–R3909 RD1/4PU473J Not used
R3910, R3911 RD1/4PU102J Not used
R3913, R3914 RD1/4PU472J Not used

CN3902 Pin Jack (1P) AKB1063 Not used
CN3903 Pin Jack (1P) AKB1062 Not used
CN3904 Pin Jack (1P) AKB1064 Not used
CN3901 Socket AKP1081 Not used
CN3905 Plug 10-P KM250MA10 Not used

Part No.

Remarks

5

SD-T50W1

AUDIO ASSY

AWZ6123 and AWZ6086 are constructed the same except for the following:

Mark

AWZ6086 AWZ6123

L3703, L3704 Line Filter Not used ATF1090 ∗
L3707–L3710 Not used ATX1008 ∗
C3748, C3749 Not used CKCYB332K50 ∗
C3750, C3751 Not used CKCYF473Z50 ∗
C3762, C3764, C3765 Not used CCDSL221J50 ∗

C3763 Not used CCCSL221J50 ∗
R3734, R3735 RD1/4LMF100J RD1/4LMF101J
R3757–R3760 Not used RD1/4LMF100J ∗
R3771 Not used RD1/2PM101J ∗

Part No.

*: Refer to " 2. SCHEMATIC DIAGRAM ".

AC IN ASSY

AWZ6420 and AWZ6090 are constructed the same except for the following:

Mark

Symbol and Description

AWZ6090 AWZ6420

CN902, CN903 Plug 2-P AKM1127 Not used

Part No.

POWER SUPPLY ASSY

AWV1767 and AWV1546 are constructed the same except for the following:

RemarksSymbol and Description

Remarks

Mark

AWV1546 AWV1767

POWER SUPPLY BLOCK

D131 S5688G HSS104-02
D140 HSS104-02 Not used
C117 CCDSL101J50 CCCSL101J50
T101 ATT1273 ATT1283
RY101 ASR1036 Not used
CN106 Not used AKM1127 ∗

H. DEFLECTION BLOCK

VR201 (470Ω) ACP1039 VCP1149

HIGH VOLTAGE BLOCK

C330 CCDSL101K2H CCCSL101K2H

Part No.

*: Refer to " 2. SCHEMATIC DIAGRAM ".

CONVERGENCE ASSY

AWV1547 and AWV1520 are constructed the same except for the following:

Mark

Symbol and Description

AWV1520 AWV1547

C721–C727 Not used CCDSL101J50 ∗
KN601, KN9998 Not used ANK-142 ∗

Part No.

RemarksSymbol and Description

Remarks

*: Refer to " 2. SCHEMATIC DIAGRAM ".

6

SD-T50W1

PCB PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

TUNER ASSY

SEMICONDUCTORS

IC1752 AT24C01A10PC
IC1651 CXA1734S
IC1701 LA7710
IC1501 UPC1823ACU
IC1751 UVS1101A24

Q1524, Q1527, Q1528, Q1533, Q1756 2SA1048
Q1501, Q1510, Q1512, Q1516, Q1517 2SC2458
Q1523, Q1525, Q1529–Q1531, Q1536 2SC2458
Q1543–Q1545, Q1651, Q1653, Q1704 2SC2458
Q1751–Q1754, Q1781, Q1782 2SC2458

Q1502–Q1508, Q1535, Q1540, Q1541 2SC2668
Q1701–Q1703, Q1759 2SC2668
Q1518, Q1519, Q1526, Q1532 2SC2878
Q1757, Q1758, Q1783 2SC2878
Q1521, Q1522 2SK246

Q1511, Q1513–Q1515, Q1542, Q1755 XDC124ES
D1508–D1514, D1517, D1533 1SS85
D1501–D1506, D1519–D1521 HSS104-02
D1530–D1532, D1534, D1535, D1753 HSS104-02
D1536, D1651, D1652 MTZJ15

D1515, D1516, D1527, D1537 MTZJ6.8
D1507 RD33ESB3
D1518 RD5.1ESB
D1523–D1526 RD5.6ESB1
D1538 RD6.8ESB

L1529, L1651, L1703 LAU2R2K
L1785 LAU2R7J
L1753 LAU2R7K
L1782 LAU3R3J
L1751 LAU3R3K

L1512 LAU3R9J
L1513, L1783, L1784 LAU4R7J
L1752, L1754 LAU4R7K
L1781 LAU5R6J
L1514 LAU6R8J

L1504, L1701, L1721, L1722, L1724 LAUR22J

CAPACITORS

C1660 (3.3 µF/50V) ACH1128
C1653 (10 µF/50V) ACH1129
TC1501 ACM-022
C1725 CCCCH100D50
C1701, C1722 CCCCH101J50

C1543, C1727 CCCCH120J50
C1723, C1781 CCCCH121J50
C1753 CCCCH151J50
C1617, C1618 CCCCH180J50
C1619 CCCCH220J50

C1783 CCCCH271J50
C1565 CCCCH330J50
C1716 CCCCH390J50
C1515–C1517, C1540, C1613, C1614 CCCCH4R0C50
C1634 CCCCH4R0C50

D1752 RD8.2ESB2

COILS AND FILTERS

L1509, L1705 ATC-250
L1510 ATE-067
F1510 ATF-114
F1504 ATF1046
F1508, F1513, F1514 ATF1051

F1502 ATF1052
F1501 ATF1053
F1505, F1507 ATF1063
F1509 ATF1132
F1511 ATF1137

F1512 ATF1138
F1503 ATF1140
F1506 ATF1180
F1701 ATF1181
L1517 ATG1031

L1515, L1530, L1756, L1757 ATX1008
L1528 LAU100K
L1503, L1508 LAU1R2J
L1507, L1702, L1704 LAU1R8J
L1501, L1511, L1516, L1518–L1520 LAU2R2K

C1784, C1788 CCCCH560J50
C1557, C1561, C1633 CCCCH5R0C50
C1531, C1728 CCCCH680J50
C1508, C1611 CCCCH6R0D50
C1584, C1612 CCCCH7R0D50

C1782 CCCCH820J50
C1548 CCCCH8R0D50
C1556 CCCCH9R0D50
C1506, C1507, C1510, C1539, C1551 CCCCJ3R0C50
C1519 CCCCK1R0C50

C1518, C1550 CCCCK2R0C50
C1527–C1530, C1564, C1602, C1793 CCCSL101J50
C1754, C1755 CCCSL121J50
C1620 CCCSL221J50
C1512 CCCSL560J50

C1621 CCCSL680J50
C1503, C1572, C1596, C1598, C1652 CEAS100M50
C1713, C1714 CEAS100M50
C1526, C1767 CEAS101M10
C1552, C1554, C1667, C1682, C1687 CEAS101M25

C1705, C1707 CEAS101M25
C1523 CEAS102M16
C1576, C1654, C1659, C1720 CEAS1R0M50
C1715 CEAS220M50
C1604 CEAS221M10

7

SD-T50W1

Mark No. Description Part No. Mark No. Description Part No.

C1591, C1683, C1703 CEAS221M16
C1570, C1579, C1588, C1590, C1593 CEAS470M25
C1599, C1600, C1670, C1752, C1757 CEAS470M25
C1763, C1766, C1768, C1771, C1786 CEAS470M25
C1586 CEAS471M16

C1574, C1655, C1656, C1664–C1666 CEAS4R7M50
C1668, C1669, C1758–C1762 CEAS4R7M50
C1772, C1773, C1790, C1791 CEAS4R7M50
C1501 CEAS6R8M50
C1568, C1577, C1581, C1661 CEASR47M50

C1657 CFTXA224J50
C1622 CFTXA334J50
C1562 CFTYA104J50
C1504, C1505, C1509, C1511 CKCYB102K50
C1513, C1514, C1520, C1536, C1542 CKCYB102K50

C1545–C1547, C1549, C1553, C1555 CKCYB102K50
C1558, C1559, C1582, C1583, C1585 CKCYB102K50
C1595, C1610, C1625, C1708, C1710 CKCYB102K50
C1721, C1726 CKCYB102K50
C1560, C1563, C1566, C1567, C1580 CKCYB103K50

C1605, C1616, C1711, C1712, C1717 CKCYB103K50
C1774 CKCYB103K50
C1597 CKCYB122K50
C1573, C1651, C1658, C1719 CKCYB222K50
C1792 CKCYB681K50

RELAY ASSY

SEMICONDUCTORS

D921 HSS104-02

SWITCHES AND RELAYS

RY921 ASR1036

OTHERS

CN921, CN922 PLUG 2-P AKM1127
CN924 PLUG 3-P AKM1128
CN923 PLUG 3-P KM250MA3

C1502, C1521, C1522, C1524, C1525 CKCYF103Z50
C1534, C1544, C1578, C1587, C1589 CKCYF103Z50
C1592, C1594, C1601, C1671, C1672 CKCYF103Z50
C1684–C1686, C1704, C1706, C1709 CKCYF103Z50
C1718, C1751, C1756, C1764, C1765 CKCYF103Z50

C1769, C1770, C1785, C1787, C1789 CKCYF103Z50
C1680 CKDYB222K50
C1569, C1688 CKDYF103Z50
C1575 CQMA153J50
C1663 CQMA272J50

C1662 CQMA473J50

RESISTORS

R1504 RD1/2PM562J
R1517, R1518 RD1/2PM681J
R1506, R1550, R1795 RD1/4LMF101J
R1539 RD1/4LMF331J
R1513, R1533, R1710 RD1/4LMF471J

R1703 RD1/4LMF681J
R1655 RN1/4PC4302F
R1656 RN1/4PC6202F
R1606 RS2LMF4R7J
VR1502 (4.7 kΩ) ACP1042
VR1501 VRTS6VS105
Other Resistors RD1/4PU J

OTHERS

X1501 (15.675 kHz) ASS1122
7100 SCREW BBZ30P060FMC
J1501, J1502 JUMPER WIRE D15A12-125-2468

8

1

23

4

SD-T50W1

2. SCHEMATIC DIAGRAM

Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "PCB PARTS LIST".

2.1 OVERALL WIRING DIAGRAM

Only the differences in the overall wiring diagram between WYZI7/2 type
and SL type are shown.

5.1 OVERALL WIRING DIAGRAM

SCH-1 SCH-1

A

L6
FERRITE CORE
ATX1019

TUNER ASSY (AWZ6155)

C CONNECTOR ASSY ASSY (AWZ6081)

L7
BLOCK CORE
ATX1030

AV I/O ASSY ASSY (AWZ6121)

POWER SUPPLY ASSY
(AWV1767)

L4
CHOKE COIL

T1 POWER
TRANSFORMER

ATS1555

CN101

CN106

J101
ADX2536

B

C

J13 ADX2247

CN923

CN921

CN922

RELAY ASSY
(AWV1768)

J11
ADX2538

S2
POWER SWITCH
ASG1082

AC IN ASSY
(AWZ6420)

CN903

CN901

CN924

AC INLET
AKP1021

L5 FERRITE CORE
ATX1019

J12
ADX2537

AC POWER CORD
ADG1107

AC220–240V
50/60Hz

D

9

1

2

3

4

1

234

SD-T50W1

2.2 POWER SUPPLY and RELAY ASSEMBLIES

Only the differences in the power supply assy between WYZI7/2 type and SL type are shown.

A

B

J13
ADX2247

To POWER TRANSFORMER

POWER SUPPLY ASSY (1/3)
(AWV1767)

Power Supply Block

C

RELAY DRIVE ASSY E13

( SCH–17)

D

J12 ADX2537

ADX2536

10

1234

5

67

8

SD-T50W1

H. DEFLECTION BLOCK

( SCH–15)

A

BLOCK

( SCH–16)

HIGH VOLTAGE

BLOCK

B

( SCH–15)

H. DEFLECTION

To S2
POWER
SWITCH

( SCH–11)

CONVERGENCE ASSY C1

C

( SCH–17)

B CONNECTOR ASSY G4

RELAY ASSY
(AWV1768)

To T1 POWER TRANSFORMER

D

11

5

6

7

8

1

SD-T50W1

2.3 TUNER ASSY

A

B

L6
FERRITE CORE
ATX1019

234

TUNER ASSY (AWZ6155)

L7

C CONNECTOR ASSY

C

( SCH–3)

AV I/O ASSY (1/2) A5

( SCH–3)

AV I/O ASSY (1/2) A6

BLOCK CORE

(AWZ6081)

ATX1030

D

12

1234

5

67

8

SD-T50W1

A

B

C

D

13

5

6

7

8

1

SD-T50W1

234

2.4 AV I/O ASSY

Only the differences in the AV I/O assy between WYZI7/2 type and
SL type are shown.

A

B

AV I/O ASSY (1/2)
(AWZ6121)

AV I/O BLOCK

5.3 AV I/O ASSY (1/2)

SCH-3 SCH-3

5.4 AV I/O ASSY (2/2)

AV I/O ASSY (2/2)
(AWZ6121)

TELETEXT BLOCK

C

D

SCH-4 SCH-4

14

To VIDEO UCOM ASSY
UCOM BLOCK

1234

1

23

2.5 VIDEO • UCOM ASSY (1/2)

Only the differences in the VIDEO • UCOM assy (1/2) between WYZI7/2 type
and SL type are shown.

5.5 VIDEO UCOM ASSY (1/2)

SCH-5 SCH-5

VIDEO • UCOM ASSY (1/2)
(AWV1566)

VIDEO BLOCK

4

SD-T50W1

A

B

C

D

15

1

2

3

4

1

234

SD-T50W1

2.6 VIDEO • UCOM ASSY (2/2)

A

H2 ( SCH–17)

A CONNECTOR ASSY

B

B1 ( SCH–18)

FRONT CONTROL ASSY

K3

VIDEO • UCOM ASSY (2/2)
(AWV1566)

UCOM BLOCK

AUDIO ASSY

( SCH–10)

K2

C

VIDEO BLOCK

To AV I/O ASSY
TELETEXT
BLOCK

C2 ( SCH–11)

CONVERGENCE ASSY

D

16

1234

5

67

8

SD-T50W1

A

B

VIDEO BLOCK

C

A10 ( SCH–3)

AV I/O ASSY (1/2)

D

17

5

6

7

8

1

SD-T50W1

2.7 AUDIO ASSY

A

( SCH–6 )

VIDEO • UCOM ASSY (2/2) U5

B

234

AUDIO ASSY
(AWZ6123)

( SCH–6 )

VIDEO • UCOM ASSY (2/2) U6

C

D

2SC2458–T

2SA1048–T

HSS104-02–TP

18

1234

5

67

8

SD-T50W1

A

B

To INTERNAL SPEAKERS

C

To EXTERNAL SPEAKERS

D

19

5

6

7

8

1

SD-T50W1

2.8 CONVERGENCE ASSY

Only the differences in the convergence assy between WYZI7/2 type and
SL type are shown.

A

CONVERGENCE ASSY
(AWV1547)

5.11 CONVERGENCE ASSY

234

L1

L2

To DY CONVERGENCE

B

SCH-11 SCH-11

C

L3

D

20

1234

1

RELAY ASSY

To S2 POWER SWITCH

To T1 POWER TRANSFORMER

To POWER SUPPLY ASSY J101 E14

(ANP1941–A)

NOTE FOR PCB DIAGRAMS:

1. Part numbers in PCB diagrams match those in the schematic
diagrams.

2. A comparison between the main parts of PCB and schematic
diagrams is shown below.

Symbol in PCB
Diagrams

Symbol in Schematic
Diagrams

Part Name

Transistor

Transistor
with resistor

Field effect
transistor

BCE

BCE

BCE

DGS

BCE

BCEBCE

DGSDGS

Symbol in PCB
Diagrams

Symbol in Schematic
Diagrams

Part Name

3. The parts mounted on this PCB include all necessary parts
for several destination.
For further information for respective destinations, be sure
to check with the schematic diagram.

4. Viewpoint of PCB diagrams

Resistor array

3-terminal
regulator

CapacitorConnector

P. C. Board Chip Part

SIDE B

SIDE A

3. PCB CONNECTION DIAGRAM

23

4

SD-T50W1

A

B

3.1 RELAY ASSY
SIDE A

C

1

D

21

2

3

4

1

SD-T50W1

3.2 POWER SUPPLY ASSY

234

To RELAY ASSY

A

B

POWER SUPPLY ASSY

IC102

CN924

04

To RELAY ASSY
CN923

03

Q105

C

Q106

Q107

Q108

VR101

Q109

D

VR302 VR301

22

1234

5

(

)

67

8

SD-T50W1

SIDE A

A

Q302

Q310

Q301

Q113

Q201

Q111

Q202

Q205

Q208Q203

Q207

Q204

Q206Q307

IC201

VR201

B

C

Q209

Q304

Q303

IC301

Q305

D

Q306

ANP1940–A

23

5

6

7

8

1

SD-T50W1

3.3 TUNER ASSY

A

B

234

C

D

24

1234

5

(

)

67

8

SD-T50W1

TUNER ASSY

SIDE A

VR1502

TC1501

VR1501

Q1755

|

Q1758

Q1528
Q1529

Q1530
Q1543

Q1531
Q1533

Q1532
Q1536

Q1751

IC1501

Q1542

Q1518

Q1519
Q1521
Q1522
Q1523

Q1545
Q1524

Q1526

Q1525

Q1515
Q1517

Q1544

A

B

Q1754

IC1751

IC1752

Q1651
IC1651

Q1783

Q1781
Q1752

Q1653
Q1782

Q1753

IC1701
Q1705

Q1702
Q1704

Q1541

Q1535
Q1507

Q1504

Q1506

Q1511
Q1540

Q1510
Q1501
Q1759

Q1701

Q1512

|

Q1514

Q1527
Q1503

Q1502

Q1505
Q1508

C

D

ANP1840–C

25

5

6

7

8

1

SD-T50W1

234

3.4 VIDEO • UCOM ASSY

A

VIDEO • UCOM ASSY

Q1009

|

Q1010

Q1091

Q1089

IC1007
IC1004

Q1090

Q1083
Q1084

Q1071

Q1015

Q1011
Q1066
Q1064

Q1072

|
Q1075
Q1094
Q1095

IC1005

Q1086
Q1087

Q1082
Q1055

Q1050
Q1076

Q1081

Q1067
Q1068

B

Large size

PCB diagram

1/2 2/2

Detailed page

1/2 2/2

Q3334
Q3337
Q3311

Q3336

Q3314

Q3313

Q1101

Q3331

Q3306

IC3304

Q3329
Q3330

IC3305

C

Q3305

Q3302

Q3312

Q3343
Q3344

IC3301

TC3301

IC3302

Q3333
Q3325
Q3332
Q3326
Q3328

Q3317

|

Q3319

Q3327
Q3322

Q3335
Q3316
Q3315

Q3338

|

Q3340

Q3323
Q3341
Q3342
Q1100

Q3321

Q3320

D

Q3304
Q3303

Q3309
Q3310
Q3307

Q3301

26

1234

5

(

)

67

8

SD-T50W1

SIDE A

Q1056
Q1058

Q1001
Q1092
Q1093
Q1096

Q1002
Q1003
Q1007
Q1065

Q1013

Q1099

Q1057
Q1059
Q1051
Q1062

IC1006

Q1054
Q1061
Q1063

Q1052
Q1053

Q1048
Q1049

Q1046
Q1047
Q1008

IC1002

Q1060

Q1014

Q1012
Q1017

Q1044

A

B

Q1098
Q1005

Q1097

Q1006

Q1085

Q1069
Q1088
Q1004

IC1009

IC1003

Q1020

Q1021
Q1018
Q1016

IC1008

Q1070

Q1034
Q1031
Q1024
Q1027
Q1043

Q1033
Q1030
Q1023
Q1026
Q1042

Q1019

Q1032
Q1029
Q1022
Q1025

Q1028
Q1035

|
Q1041
Q1045

C

D

ANP1839–C

27

5

6

7

8

SD-T50W1

2/2

1/2

A

B

1

234

C

SIDE A

D

28

1234

VIDEO • UCOM ASSY

Q1072|Q1075

Q1094

Q1095

IC1005

Q1091

Q1089

Q1009

Q1010

Q1050

IC1007

Q1076|Q1081

Q1086

Q1087

Q1090

IC1004

Q1082

Q1083

Q1084

Q1067

Q1068

Q1055

Q1071

Q1015

Q1011

Q1066

Q1064

Q1101

IC3304

Q3334

Q3337

Q3331

Q3311

Q3329

Q3330

Q3336

IC3305

5

67

8

SD-T50W1

A

B

Q3331

Q3311

Q3329

Q3330

Q3336

IC3305

Q3313

Q3314

5

Q3306

Q3302

Q3312

Q3305

Q3343

Q3344

Q3335

Q3316

IC3301

Q3338|Q3340

Q3315

6

Q3323

Q3317|Q3319

TC3301

Q3341

Q3342

IC3302

Q1100

Q3333

Q3325

Q3322

Q3327

Q3332

Q3326

Q3328

7

Q3320

Q3321

Q3304

Q3309

Q3303

Q3301

Q3310

Q3307

C

D

29

8

1

1/2

2/2

SD-T50W1

234

Q1008

Q1046

Q1057

Q1059

Q1001

Q1051

Q1062

Q1092

Q1093

Q1047

IC1006

Q1096

Q1002

Q1003

Q1065

Q1007

Q1048

Q1049

A

Q1056

Q1058

IC1002

Q1054

Q1061

Q1060

Q1063

Q1014

Q1012

Q1017

Q1052

Q1013

Q1044

Q1053

Q1099

SIDE A

B

C

D

30

1234

Q1034

Q1031

5

Q1024

Q1027

Q1043

67

Q1033

Q1030

Q1023

Q1026

Q1042

Q1019

Q1032

Q1029

Q1022

Q1025

Q1028

Q1035|Q1041

Q1045

8

SD-T50W1

Q1099

IC1003

Q1098

Q1005

Q1020

Q1097

Q1006

Q1085

Q1021

Q1018

Q1069

Q1016

Q1088

Q1004

IC1008

IC1009

Q1070

A

(ANP1839–C)

B

C

D

31

5

6

7

8

SD-T50W1

4. ADJUSTMENT

Note: Only the differences in the adjustment between WYZI7/2 type and

SL type are shown.

4.1 WHEN TUNER ASSY WAS REPAIRED

For System B/G

Step

No.

Adjustment Item

Adjacent audio trap
adjustment for
system B

Input Signal

3 B F1508 (T)4

4.2 WHEN POWER SUPPLY ASSY WAS REPAIRED

135V Power Supply Adjustment

Adjustment

Point

Adjustment Procedure

Adjust so that the 40.4 MHz carrier level of TP1501 (SAW IN) becomes
minimum.

Step

No.

135V power supply

1

adjustment

Adjustment Item

AC 220V

ATS1555

AC 100V

Input Signal

Monoscope

signal

CN923

03

CN922

02

CN101

Adjustment

Point

VR101

RELAY ASSY

CN924

04

CN921

01

E4

Adjustment Procedure

Adjust so that the voltage of both sides of C135 becomes 135 V ±0.5 V.

L
N

CN106

E13

J101

E14

AC220V/50Hz

To RELAY DRIVE
ASSY

CN105

E11

32

POWER SUPPLY ASSY

C135

VR101