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1405
Monitor Service Manual
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Commodore 1405 Monitor Service Manual

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Page 1
Produced By.
Commodore International Spare Parts GmbH
Braunschweig, West Germany
SERVICE MANUAL
1405
M A Y , 1991
PN-400408-01
INTERNATIONAL EDITION
Commodore Business Machines, Inc.
1200 Wilson Drive, West Chester, Pennsylvania 19380 U.S.A.
Commodore makes no express or implied warranties with regard to the information contained herein. The infor mation is made available solely on an as is basis, and the entire risk as to completeness, reliability, and accuracy is with the user. Commodore shall not be liable for any damages in connection with the use of the information contained herein. The listing of any available replacement part herein does not constitute in any case a recommenda tion, warranty or guaranty as to quality or suitability of such replacement part. Reproduction or use without ex press permission, of editorial or pictorial content, in any matter is prohibited.
This manual contains copyrighted and proprietary information. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photo copying, recording or otherwise, without the prior written permission of Commodore Electronics Limited.
Copyright © 1991 by Commodore Electronics Limited. All rights reserved. Printed in U.S.A.
Reprinted with permission of / H Y U N D A I
Page 2
1405 SERVICE MANUAL
FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT
WARNING: “ CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY RESPONSI
BLE FOR COMPLIANCE WITH THE FCC’S RULES (THE FCC “GRANTEE”) COULD VOID THE USER’S AUTHORITY TO OPERATE THE EQUIPMENT.”
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pur
suant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equip ment does cause harmful interference to radio or television reception, which can be determined by turn ing the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
“It is necessary to use shielded interconnect cables to insure compliance with FCC Class B limits for radio frequency emission.”
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this monitor have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them be necessarily increased by using replacements rated for high voltage, wattage, etc.
Replacement parts .which have these special safety characteristics are identified in this manual; electrical components having such features are identified by “ A ” and in the replacement parts list and schematic diagram.
For continued protection, replacement parts must be identical to those used in the original circuit. The use of substitute replacement parts which does not have the same safety characteristics as the factory recommended replacement parts shown in this service manual, may create shock, fire or other hazards.
Page 3
1405 SERVICE MANUAL
TABLE OF CONTENTS
SECTION 1 — SPECIFICATIONS
1.1 SPECIFICATIONS...............................................................................................................................................1-1
SECTION 2 — THEORY OF OPERATIONS
2.1 FEATURES..........................................................................................................................................................2-1
2.2 INTRODUCTION............................................................................................................................................... 2-1
2.3 EXTERNAL APPEARANCE AND CONTROL DESCRIPTION..................................................................2-1
2.4 CONNECTING WITH EXTERNAL EQUIPMENT.......................................................................................2-2
2.5 METHOD OF LINE VOLTAGE SELECTION
..............................................................................................
2-2
SECTION 3 — TROUBLESHOOTING
3.1 SAFETY PRECAUTION...................................................................................................................................3-1
3.2 TIMING CHART.................................................................................................................................................3-2
3.3 SIGNAL INPUT TERMINAL...........................................................................................................................3-3
3.4 REPAIR AND TROUBLESHOOTING PROCEDURE.................................................................................3-4
3.5 ADJUSTMENT METHOD.................................................................................................................................3-5
SECTION 4 — PARTS
SERVICE REFERENCE PARTS DIAGRAM..........................................................................................................4-1
PCB COMPONENTS PARTS LIST.........................................................................................................................4-2
PCB LAYOUT
MAIN PCB SILK (COMPONENT SIDE)............................................................................................................4-4
MAIN PCB COPPER.............................................................................................................................................. 4-5
MAIN PCB SILK (SOLDER SIDE).......................................................................................................................4-6
CRT PCB SILK (COMPONENT SIDE)................................................................................................................4-7
CRT PCB COPPER.................................................................................. 4-7
CRT PCB SILK (SOLDER SIDE).........................................................................................................................4-8
SECTION 5 — SCHEMATICS
BLOCK DIAGRAM....................................................................................................................................................5-1
SCHEMATIC DIAGRAM...........................................................................................................................................5-2
Page 4
SECTION 1
SPECIFICATIONS
Page 5
1405 SERVICE MANUAL
1.1 SPECIFICATIONS
INPUT SIGNAL
Video Signal
ANALOG (0-700mV, 75ohm termination)
Horizontal Sync
TTL, Negative or Positive
Vertical Sync
TTL, Negative or Positive
Self-test
Connected To Ground (The self-test function is enabled by disconnecting the signal cable)
RESOLUTION
Mode 1
640 Dots x 350 Lines
Mode 2
720 Dots x 400 Lines
Mode 3
640 Dots x 480 Lines
SWEEP FREQUENCY
Horizontal
31.469KHZ
Vertical
60/70HZ
DISPLAY
Display Area
230mm(H) x 172.5mm(V)
Display Format
2000 Characters (80 Characters x 25 Lows)
POWER INPUT VOLTAGE (Selected by selector jumper)
120V AC, 60Hz or 220V AC, 50Hz
POWER CONSUMPTION
50W MAX
PICTURE TUBE
14" Diagonal 90 Degree, Non-glare Phospher (Paperwhite)
VIDEO BANDWIDTH
30MHz
SIGNAL INPUT TERMINAL
15 Pin D-Sub Connector
WEIGHT
Appr. 7.2Kg
DIMENSION
332(W) x 329(H) x 345(D) mm
CONTROLS
Internal
External
Width, H-Hold, H-Phase, V-Size (Model, Mode2), Focus, B+ Adjust, Sub-Contrast, Line Voltage Select Jumper
Brightness, Contrast, Power Switch, V-Hold, V-Size, V-Linearity, Sub-Brightness
1-1
Page 6
SECTION 2
THEORY OF OPERATIONS
Page 7
1405 SERVICE MANUAL
2.1 FEATURES
The 1405 is a 14" monochrome monitor which is designed for VGA mode. The features are as follows:
• High resolution CRT for sharp and crisp images.
• 14 inch diagonal screen with non-glare.
• ANALOG signal input type.
• 3 modes of vertical lines (350, 400, 480 lines).
• An efficient SMPS is included on the chassis.
2.2 INTRODUCTION
This manual describes the servicing of the Commodore 14 inch monochrome VGA monitor (1405) with information on equipment, maintenance and repair.
Information on major technical modifications to this model, if any, will be updated in the form of service bulletins. For improvement purposes, therefore, the contents of this manual are subject to change without prior notice.
The 1405 has incorporated the highest standards of design and construction. The product, however, must receive ade quate power and proper video signal from host system in order to attain optimal operation and to comply with ap plicable industry standards and government regulations.
2.3 EXTERNAL APPEARANCE AND CONTROL DESCRIPTION
BRIGHTNESS
CONTRAST
FRONT CONTROL
POWER INDICATOR
POWER SWITCH
REAR CONTROL
2-1
Page 8
1405 SERVICE MANUAL
2.4 CONNECTING WITH EXTERNAL EQUIPMENT
CAUTIONS: Before switching on this monitor, make sure the monitor is set to the voltage of the power source.
Be sure to turn off the power of your computer before connecting the monitor.
PERSONAL COMPUTER
AC OUTLET 15 PIN P-SUB JACK
£13 VGA
a t m r n m
(REAR)
POWER CABLE SIGNAL CABLE
(REAR)
2.5 METHOD OF LINE VOLTAGE SELECTION
CAUTION: Unplug the power cord before changing operating voltages. How to adjust LINE VOLTAGE SELECTOR: To select the correct operating line voltage, first unplug the power
cord, then remove the rear cover. The LINE VOLTAGE SELECTOR is located on the main PCB, inside the monitor (1 pin connector).
Disconnect the LINE VOLTAGE SELECTOR and reconnect it at 120V or 220V.
2-2
Page 9
SECTION 3
TROUBLESHOOTING
Page 10
1405 SERVICE MANUAL
3.1 SAFETY PRECAUTION
WARNING: Service should not be attempted by anyone unfamiliar with the necessary precautions on this monitor.
The following are the necessary precautions to be observed before servicing.
Always discharge the picture tube to the CRT conductive coating before handling the picture tube. The picture tube is highly evacuated and if broken, glass fragments will be violently exploded. Use shatterproof goggles and keep pic ture tube away from the bare body while handling.
When replacing a chassis in the cabinet, always be certain that all the protective devices are put back in place, such as non-metallic control knobs, insulating cover, shields, isolation resistor-capacitor network, etc.
Before returning the monitor to the customer, always perform an AC leakage current check on the exposed metallic parts of the cabinet, such as signal connectors, terminals, screw heads, metal overlays, control shafts, etc., to be sure the monitor is safe to operate without danger of electrical shock. Plug the AC line cord directly into an AC outlet
(do not use a line isolation transformer during this check). Use an AC voltmeter having 1500 ohm per volt or more
sensitivity in the following manner:
Connect a 1500 ohm 10 watt resistor, paralleled by a 0.15uF AC type capacitor, between a known good earth ground
(water pipe, conduit, etc.) and the exposed metallic parts, one at a time. Measure the AC voltage across the combina tion of 1500 ohm and 0.15uF capacitor. Reverse the AC plug at the AC outlet and repeat AC voltage measurements
for each exposed metallic part.
Voltage measure must not exceed 0.3 volts RMS. This corresponds to 0.2milliamp AC. Any value exceeding these
limits constitutes a potential shock hazard and must be corrected immediately.
AC VOLTMETER
c
p c
P
0.15uF
Good earth ground such as the water pipe, conduit, etc.
1500ohm 10 WATT
Place this probe on each exposed metallic part.
3-1
Page 11
1405 SERVICE MANUAL
3.2 TIMING CHART
Recommended signals are shown below:
H-SYNC
Video Signal
Display Time
H-SYNC
0.318uS Front
Porch
i i i i
Back Porch
1.589uS min.
— 26.056uS
------------
1
i
Time Total 31.778uS
Display Time
High Level: 2.4V min. Low Level: 0.4V max.
Horizontal
Sync Signal
3.815uS
V-SYNC
Display Time
Video Signal
V-Sync
Front Porch
Time Total
I
4-
Sync Pulse
i
-*!•-
Back Porch
MODE
350 LINES 400 LINES
480 LINES
Time Total
14.268 msec
14.268 msec
16.683 msec
Display Time
11.504 msec 13.156 msec
15.762 msec
Front porch
0.985 msec
0.159 msec
0.064 msec
Back porch
1.716 msec 0.890 msec
0.793 msec
Sync pulse 0.064 msec 0.064 msec
0.064 msec
3-2
Page 12
1405 SERVICE MANUAL
3.3 SIGNAL INPUT TERMINAL
A 15 Pin D-sub connector is used as the input signal connector. Pin and input signals are shown in the table below.
PIN CONNECTION
PIN NUMBER
CONNECTION
1
Not Connected
2
Video Signal Input 3 Not Connected 4
Not Connected 5
Self-Test Input 6
Not Connected 7
Video Ground 8
Not Connected 9
Not Connected
10
Logic Ground
11
Ident Output-Not Connected
12
Ident Output-Connected to Pin 10
13 H-Sync 14 V-Sync 15 Not Connected
D-SUBMINIA TURE CONNECTOR
•>
Page 13
1405 SERVICE MANUAL
3.4 REPAIR AND TROUBLESHOOTING PROCEDURE
INTRODUCTION
This troubleshooting guide is arranged by fault conditions. Following each fault condition is a check for a signal or condition to be answered YES or NO. For NO answer proceed to the right and continue until the fault is located.
For a YES answer continue in the left column to the next numbered check. Again follow this procedure until the fault is located.
TROUBLESHOOTING PROCEDURE
SYMPTOM
CHECK (YES)
ACTION (NO)
No V-sync
Check for V-sync at pin 3 of P602
Check input connector and cable Check for V-sync at pin 6 of IC602 Check D701, IC602 Will V-oscillator free run at 53Hz? (pin 9
of IC601
Check VR601, R601, C601, C602, D604,
IC601 Replace IC601
No H-sync
Check for H-sync at pin 1 of P602
Check input connector and cable Check input sync at pin 3 of IC602 Check D701, IC602 Check input sync at pin 3 of IC701
Check Q703, R701, R707, R708, R709,
D711, C701 Will H-oscillator free run at 31 KHz? (pin 7
of IC701
Check VR701, R712, C708, C709, IC701
Check for pulse at pin 1 of IC701
Check R713, R714, R715, R719, IC701
Check for feedback pulse at pin 4 of IC701 Replace IC701
Check R717, C702, C703, IC701
Screen is black but high voltage
Check for G2 at pin 6 of CRT.
Around 600V?
Check R724, D707, R333, grey wire,
CRT socket, T701
m m m m -
* Cheek for heater at pfri 3 o f CRT.
Around 12 V?
Check R331, CRT socket
Can screen be lit with VR705 at MAX and VR703 adjusted?
Check R725, D708, R739, blue wire, R332,
CRT socket, T701 Check video at pin 2 of P301 Check input connector and cable Check video at base of Q302 Check R302, C301 and adjust VR302 Check video at base of Q304 Check Q301, Q302, Q303, D301 Check video at base of Q306
Check Q305 Check voltage at pin 2 of P303
Check R729, D706, L301 Check video at collector of Q307
Check Q306, Q307, D306, R322, D306,
R329 Check video at pin 2 of CRT
Check R322, CRT socket
Screen is black
with no high
Check power cord, connector, switch
Connect cable, connector and turn on
the switch
voltage
Check fuse
Check D501-504, Q501. Replace fuse. Check B + line (24V DC) Check R710, Q705, T701, anode cap
Check Q501, Q502, IC501, IC502
3-4
Page 14
1405 SERVICE MANUAL
3.5 ADJUSTMENT METHOD
BEFORE ADJUSTMENT
Turn unit on and allow 15 minutes warm up at least.
B +
Connect voltmeter between B + and ground; Adjust B + by turning VR501 on the main PCB; Set value: 24V ±0.3V.
HORIZONTAL FREQUENCY
Disconnect the signal cable from signal source; Connect the lead of frequency counter.
( + ) LEAD: Horizontal winding of deflection yoke
(- ) LEAD: Ground
Adjust 31.5KHZ ±0.1KHz using VR701.
VERTICAL FREQUENCY
Disconnect the signal cable from signal source; Connect the lead of frequency counter.
(+) LEAD: Vertical winding of deflection yoke (- ) LEAD: Ground
Adjust 53Hz ±2Hz using VR601.
CENTERING
Display the cross hatch pattern; Rotate the centering magnet of DY so that the screen will be positioned on the center of the jig.
HORIZONTAL WIDTH
Display the cross hatch pattern; Adjust horizontal width to 230 ±4mm by varying L701.
H-PHASE
Display the cross hatch pattern; Adjust VR702 so that the screen will be fitted to the center of the jig.
V-LINEARITY
Display the cross hatch pattern; Vary VR603 so that the linearity will be the best using jig.
V-SIZE
Display the cross hatch pattern of 480 lines. Vary VR602 so that V-Size will be 172.5 ±4mm using jig. Display the cross hatch pattern of 400 lines. Vary VR605 so that V-Size will be 172.5 ±4mm using jig. Display the cross hatch pattern of 350 lines. Vary VR604 so that V-Size will be 172.5 +4mm using jig.
FOCUS
Set VR704 so that the letter will be clearly shown when the signal is “H” character pattern.
DISTORTION
Move the magnet of DY so that the distortion of screen is the best condition.
BRIGHTNESS
Display the full white pattern; Set the position of Brightness and Contrast volume at MAX; Back Raster: Vary VR703 until back raster is visible; MAX. Brightness: Vary VR302 so that the luminance will be 35 ±5 foot lambert.
3-5
Page 15
SECTION 4
PARTS
Page 16
1405 SERVICE MANUAL
Commodore International Spare Parts List
PCB Components
PCB Assembly #1405
Commodore part numbers are provided for reference only and do not indicate the availability of spare parts from Commodore. Industry standard parts (Resistors, Capacitors, Connectors) should be secured locally. Part number information may vary according to country, some parts may not be available in all countries.
60 2215-001 C A P CM 50V 12 0 P F J
C607.C 608
60 2215-069 F U SE 1.0A 250V
F501*
602215-002
CA P CM SM 16 V 100UF M
C70 7 .C722
602 215 -070
LIN E F ILT E R LF 413
L50 1 *
602215-003 CA P EL SM 50V 2 2 0 U F M
C72 3
602 215-071
RES C F RD 1/2W 1.0 K J
R715
60 2215-004
CAP E L SM 16 V 47 U F M
C615
602 215 -072
RES C F RD 1/2W 2 .2 O H M J
R611
602215-005 CA P EL SM 2 5 V 1 0 0 U F M
C612
602 215 -073
RES C F RD 1/2W 2 70K J
R501.R502
602215-006 CAP EL SM 25V 470UF M
C611
602 215 -074 RES C F RD 1/2W 56 OHM J
R510
602215 -00 7
CA P EL SM 5 0V 0 .47U F M
C616
602 215 -075
RES C F RD 1/2W 560 OHM J
R718
602215-008 CAP EL SM 50V 1UF M
C705 602215-0 76
RES C F RD 1/2W 56K J
R 7 17
602215-009 CAP EL SM 50V 10 U F M
C509
602 2 15-0 7 7
RES C F RD 1/2W 680 OHM J
R614
602 215 -010 CA P EL SM 50V 3.3UF M
C50 7 602215-078
RES CF R D 1/2W 680K OHM J
R503
602 2 15-011 C A P EL SM 50V 33UF M
C506 6 02215-0 79
RES C F RD 1/4W 1K J
R5 0 9 ,R 7 0 4,R 71 9 ,R 7 2 6
602 2 15-012
CAP E L S M 50V 4.7 U F M
C512
60 2215-080
RES CF RD 1/4W 10K J
R6 10 ,R618 ,R6 19 .R730
602 215 -013 CA P EL SM 35V 100UF M
C51 6.C 6 03
602215-081
RES C F RD 1/4W 100 K J
R73 7 .R 7 4 1
602 215 -014 C A P EL SM 35V 220UF M
C710
60 2215-082
RES C F RD 1/4W 1.0 M J
R604.R738
602 215 -015 CAP E L S M 35V 4 .7 U F M
C609
60 2215-083
RES C F RD 1/4W 12K J
R 7 1 1
602 215 -016 CAP EL SM 100V 47U F M
C718.C 720
60 2215-084
RES C F RD 1/4W 1.8 K J
R620
602215-0 17 CAP EL HM 200 V 2 20UF M
C504.C505 *
602215-085
RES C F RD 1/4W 1.5 K J
R615
602 215 -018 CAP EL SM S 35V 2200 U F M
C510tC 5 i r
602215-086
RES C F RD 1/4W 15K J
R6 0 8.R 7 1 2 .R734
602 215 -019 CAP E L N PH F 50V 2 .2 U F M
C714 6 02215-0 87
RES C F RD 1.8 M O HM 1/4 W J
R732.R 7 3 3
602215-020 CA P MP 1000 V 0 .0 1 UF M
C719
602215-088
RES C F RD 1/4W 22 OH M J
R508
60 2215-021 C A P MP 6 30V 0.22UF K
C51 8
60 2215-089
RES C F RD 1/4W 220 O H M J
R6 1 3 .R 7 1 4
60 2215-022 CA P CD 1K V 2200P F K
C508
602215-090
RES C F RD 1/4W 2 2K J
R606,R 7 0 9 ,R739
60 2215-023
CAP CD 500V 4700PE P
C51 5
60 2215-091
RES C F RD 1/4W 220K J
R602
602215-024
CAP CD 1 K V 0.01 U F P
C72 1
60 2215-092
RES M F R N 1/4W 220K J
R603
60 2215-025
CAP P E 100V 0.0 01 UF J
C708 602215-093
RES C F RD 1/4W 330 O H M J
R 6 16 ,R 617,R 702 ,R728
60 2215-026 C A P PE 100V 0.01 U F J
C70 3
60 2215-094
RES C F RD 1/4W 3 .3K J
R70 6
602 215 -027
CAP P E 100V 0 .1U F J
C601.C 6 02.C604-C606,
602215-09 5
RES C F RD 1/4W 3 .9K J
R513
C6 1 0 ,C 702 ,C 7 1 7 60 2215-096
RES C F RD 1/4W 39K J
R512 .R605
60 2215-028 C A P PE 100V 0 .18U F K
C61 3
602 215 -097 R E S CF R D 1/4 W 390K J
R73 6
602215-029 C A P PE 100V 3300U F J
C70 1
602215-09 8
RES C F RD 1/4W 4 .7 K J
R708.R 7 2 9
60 2215-030
CAP PE 100V 0 .0047UF J
C70 4
60 2215-099
RES C F RD 1/4W 2 .2K J
R6 22
602215-031 C A P PE 100V 0.0 5 U F K
C716
602 215-100
RES C F RD 1/4W 560K J
R718 .R74 0
60 2215-032 C A P PP 100V 18 0 0PF J
C709
602 2 15-101
RES C F RD 1/4W 5 .6K J
R609.R701
602215-033
CAP P P 630V 0 .0 1 5 U F J
C715
602 215-102
RES C F RD 1/4W 68 O H M J
R506
60 2215-034
DIO D E BA159 1000V 1A
D505.D 7 0 7 602 215 -10 3
RES C F RD 1/4W 82K J
R601
602215-03 5 DIODE BY2 98 TA P
D713
602 215-104 RES F U SE 1/2 W 2.2 OHM J
R72 5
602215-036 DIODE FR304 T A P IN G
D508
602 215 -10 5
RES FU S E 1/2W 22 OH M J
R72 3
60 2215-0 37
DIO D E FR8 56 TAP
D70 5 6022 15-106
RES F U SE 1/2W 220 O H M J
R724
602215-038
DIO D E Z EN E R DZ 5 1B T A PIN G
D 7 0 1.D 710
6022 15-1 0 7
RES M F R N 1/2W 3.3 O H M J
R612
602215-039
DIO D E 100V 1 .0A TA P
D604
602 215 -10 8
RES M OF RS 1W 1K J
R511
60 2215-040 D IODE 100V 1 .0A TA P
D501-D504* 602 215 -109
RES M OF R S 1W 220 O H M J
R504
60 2215-041
DIO D E 1N 4 1 4 8 TAP ING
D601 -D603.D 6 0 5 .D70 2 ,
602215 -110
RES M OF RS 1W 330K J
R73 1
D70 3 .D 7 0 9 .D 711
602215 -111
RES M OF R S 1W 680 OH M J
R70 3 .R 7 10
60 2215-042 DIO D E 400 V 1.0A
05 0 6 ,0 5 0 7,0704,0 70 6, 602215 -11 2
RES M OF R S 2 W 470 O H M J
R72 1 .R 7 2 2
D70 8
602215 -11 3
RES M OF R S 2W 91 OHM J
R720
602215-043 C A P CD 7 1 5 0 F 472M V A1 KC
C502.C 513.C 5 1 4 * 602215 -114 R ES C M RX 3W 1 .2 OH M J
R507
60 2215-044 C A P X 250 VAC 0 .4 7 U F
C503 * 6022 15-115
RES CM RX 5W 4 .7 OH M J
R5 1 4 *
60 2215-045 V O L SEMI 1K C ET 092 A
VR5 01
60221 5 -116
TR BUT46 A
Q5 0 1 *
602215-046 V O L S EM I 5K CET 092A
VR 7 0 1.V R 70 2
602215-1 17 F E T IRF740
Q705 *
602 215 -047 V O L S EM I 200K C E T 1 19C
VR 605
6022 15-118
TR KN22 22
Q5 02
60 2215-048
V O L S EMI 1M CE T 092A
VR6 04
6022 15-1 19
TR KTC 1815Y
Q701-Q 7 0 3
60 2215-049 V O L S EM I 100K C ET 119C
VR6 0 1 .VR603.V R 7 0 3
602 2 15-120
TR KTC24 82Y
Q70 6 .Q 70 7
60 2215-050 V O L SEMI 200K C ET 1 19C
VR6 0 2
602 215-121
IC MC 1391
R 7 0 1*
60 2215-051 V SEMI C E T 12 1 4 V -C B 2M
VR704 6022 15-122
PHOTO CO U P LER PC 8 17
R50 1*
602215-05 2 COIL WIDTH 10 38UH SB 55
L70 1
602 215 -12 3
IC UTD A 1170 N
U601
602215-053 COIL CH O K E 22 U H 20 %
L5 03.L 70 3
602 215-124
AD J S H U NT RE G U UA4 31
R502
602215-05 4 B E A D INDUCTOR
L70 4 6 02215-125
IC SN74LS86/HD74LS 8 6
U602 .U 6 3 1
602215-055 COIL LIN E A R IT Y 9 .0 U H
L70 2
602 215-126
W IRE U L1015 A W G22 17/ 0 .16
G1
602215-05 6
TRA N S M A IN
T5 01
60221 5 -12 7
W IRE U L1015 A W G22 17/ 0 .16
G2
60 2215-0 57 CONN PO S T 2P 5267 02A
P70 3
602 215 -128
W IRE U L1015 A W G22 17/ 0 .16
G4
602215-058 CONN PO ST 3P 5267 03A
P70 2
602 215 -129
CAP CD 50V 150PF J
C314
602215-059 CONN PO S T 5P 5267 05A
P602
602 215 -130
CAP CD 50V 5 60PF J
C308
602215-06 0
CONN PO S T 2P 5096 02C
P50 1.P 7 0 1 602 215 -13 1
CAP E L S M 16V 10 U F M
C306.C310.C313
602215-061
CONN PO S T 2P 5273 02A
P5 0 2.P601 602 215 -13 2
CAP E L S M 16V 10 0 UF M
C318
602215-06 2 CO N N ASSY 7 PIN 5264 07/2
P303
602 215 -133
CAP E L S M 16V 22UF M
C307.C 309
602215-063 FBT FM G 14A0 09
T 7 0 1*
602 215 -13 4 C A P EL SM 16 V 3 3 0 U F M
C303
602215-06 4
FUSE CLIP FC 5 1E
F501 602 215 -135
CAP E L SM 16 V 4 7UF M
C301
602215-065 SILIC O N RUB 2 0 *24 A R 130
050 1,0 7 0 5 602215-136
CAP EL SM 100V 22UF M
C31 6
602215-06 6
PC B MA IN HM M 413
602215-137
CAP CD 500V 0.01 UF Z
C31 2
60 2215-0 67 RES C M 5W 4 7K J S T A ND
R50 5*
602215-138
CAP CD 1KV 0.0 0 4 7UF P
C3 17
602215-068 CAP X 250V A C 0.01 U F C 5 17 602215-139
CAP CD 50V 0.01 UF Z C302 .C305.C311
SAFETY COMPONENTS
4-2
Page 17
1405 SERVICE MANUAL
PCB LAYOUT
MAIN PCB SILK (COMPONENT SIDE)
TO
SWITCH AC INPUT
1
IOSJ
g;
4-4
Page 18
1405 SERVICE MANUAL
Commodore International Spare Parts List
PCB Components
PCB Assembly #1405 (Continued)
6022 15-140 6022 15-141 6022 15-142 DIO D E ZN 6 .8V 1W 602 2 15-143 DIO D E 12V 1 W 6022 15-144 602 2 15-145 602 2 15-146 602215 -147 602 215-148
602 215-14 9 602 215 -15 0
602 215-151 602 2 15-152 602 215 -15 3 R ES C F R D 1/4W 10 O H M J
602 215-154 602 2 15-155 R ES CF R D 1/4 W 1K J
602 2 15-156 RES C F R D 1/4 W 10 K J
602215 -15 7
CAP C D 5 0V 0.1 U F Z DIO DE 1N 4 148 T A P I N G
V O L S EM I 500 O H M C E T 091C COIL PEA KIN G 6 .8 UH CO N N P O S T 3P 5267 03A CON N POST 7 P 5267 0 7 A SO C K ET C RT CS619 PC B CR T HM M 202 RES C F RD 1/2W 390 OHM J RES C F RD 1/2W 68 O H M J RES C F RD 1/2 W 68 O H M J
RES C F RD 1/2W 100 OHM J
RES C F RD 1/4W 1.5K J
C304 D3 05-D307 D301 60 2215 -16 0 D304 VR3 0 1 L301 60 2215 -163 R ES C F RD 1/4 W 4 .7K J P301 .P 3 0 2 P303 602215-165 R E S CF RD 1/4 W 560 OH M J
R310.R 3 13 6 02215-168
R319 R327 R32 0.R328 R302,R314
R304.R306.R 3 15.R 3 21 602215 -17 3
R316
R30 7
602 215 -15 8 602 215 -15 9
602 2 15-161 602 2 15-162
602 2 15-164
602 215 -16 6 602215-16 7
602 215 -16 9 602215 -170 602215 -171 602215 -172
602215 -174 T R 2SC350 2E
RES C F RD 1/4 W 220 O H M J RES CF R D 1/2W 22K J RES CF R D 1/4W 2 70 O H M J RES CF R D 1/4W 4 7 OH M J RES CF R D 1/4 W 470 OHM J
RES CF R D 1/4 W 47K J
RES CF R D 1/4W 82 O HM J
RES CF R D 1/4W 8 .2K J RES MOF R S 2W 1.2 K J
RES MOF R S 2W 180 OHM J R331 RES MOF R S 2W 3 30 O HM J TR KN2222 TR KT A1015 Y
TR KT C 18 15Y
R330 R3 24 R318 .R322 R323 R303 R308 R317,R332,R 3 33 R312 R30 1.R 3 11 R305 R329
R326 Q306 Q304 0301,0302,0303 Q307
4-3
Page 19
1405 SERVICE MANUAL
MAIN PCB COPPER
O
• •
O
• •
* o *
* • ’
w s
o / o i :
• „
8
!1K|
IL* l
• • • - ° ° ° o *m * o • q o
• • * * m . " r
• •
S?*/S
g :
V i
• , • •
• # * O
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— • Mill
o h i m
• • o o •
a ^ M .
o o
....
...........................................................
• : : : :
• o ■ ■ ^ ■
o • •
I I - A
•■/••••■ • 9
AMssr/- -r
l » & r r * 7 5 *
4-5
Page 20
MAIN PCB SILK (SOLDER SIDE)
1405 SERVICE MANUAL
PS01
P502
rsoi
4-6
Page 21
CRT PCB SILK (COMPONENT SIDE)
1405 SERVICE MANUAL
R3 E 1 ^ 10
W
RSl^
R31 9 ~
R3 S £ R3 1 6
R3 i,
R3 l'
- g = g -+ PCS ASSY CRT 0? 07 w ub A n E42O0O0030 1 REV. 0 - i
" g R333 C 317 R 326
; ) G G2
P 304 S~\
R324
n R3?0 if j
C3 O0 S O
03 0 4
f s a s g rao? o
^ 0 0 6 rN cn YWG4
C 4 x , D
R3 1 3 ^ BLG1 R3 32
K R3O0 8
* < n y U
C ONTR A S T
—I- R327
8 O
R307
____
0306 Q307
______
C303
vJo
P 30 3
C3 1 1
W
C313
>
sue-
V IO .U 'C O N T R A S T
CRT PCB COPPER
4-7
Page 22
1405 SERVICE MANUAL
CRT PCB SILK (SOLDER SIDE)
P303
0307
Q 0 4
* ( J
. r - f a r
__
P3Q4
R324
R327
R32Q
D307 pea CRT
E420810S4010
* i
R318 R319 R330 R316
R317
R315
R314
R323
r — iB+-* 0 +
l
__
5 ^ «■
MQC30G
_______
O J L
R313 ^ M 1 r
R310
£
R307
^ R306
§ ^ 0 S ^ 5
4-8
D301 C304
Page 23
SECTION 5
SCHEMATICS
Page 24
1405 SERVICE MANUAL
1405 BLOCK DIAGRAM
L/i
Page 25
SERVICE REFERENCE PARTS DIAGRAM
602215 -17 9
602215 -17 8
602 215-180
602 2 15-191
602 2 15-192
602215-2 11
6022 15-2 10
60 2215-209
602 215-207
602 2 15-216 VOL-RO T A RY 500 O H M 36
602 2 15-213
602215-2 14
602 2 15-215
602215-2 12
SILICON R U B BER 41
VO L -R O TA R Y 100K OH M
SH IELD P LA T E
SIG NAL C A BLE 44
60 2215-208
SCR EW . PAN 4X6 14, 32
SCREW STD 4 X 1 2
SCREW STD 3X6
SCREW M4X8
SCREW PAN 3X6
60 2215-203
602215-204 SCREW 4 X 14
60 2215-205
60 2215-206
SCREW 3X10
SCREW 4 X10
SCREW 4 X20 24
SCREW M3X8
PCBA CRT 27
PCBA MAIN 12 0 V
LE D , PC B A 4
GRIP G R OUND 18
H E A T S INK
KNOB VR 39
602 215-19 3
602 2 15-194
602 215 -19 5 L ED LE N S A C E YL 5
602 215 -19 6
602215 -19 7 N U T , HE X M313602 215-19 8
602 215 -19 9
602215-2 00 PLA T E L O G O A 1050P T0 .4 1
602215-2 01 P L A TE S P E C3160 2215-2 02
602 215-188 DIO D E L E D6602 215-18 9 F E N C H S H IE L D (FB T) 15
602 2 15-190
FOOT, RU B B ER CR6 0 -70 2
FET IRF7 40
602 2 15-186 C R T G R OUN D AS S Y 40
60221 5 -18 7
602 215 -18 5
CRT F L A T SC R EEN PW
DEFLECTION Y OK E 26
602 2 15-181 C O R D ST O P PER
602 2 15-183
602 2 15-184 CO V E R , REA R 29
602 2 15-182 C OVER S H IE L D (FB T) 23
CORD AS S Y U L/CSA
CO V E R , FR O NT A B S 94V-0
602215 -17 6
602215-1 7 7
60221 5 -175
PART iff
CASE S H IE L D (TUBE)
BRACKET B EAM
BRACKET VR
BUT4 6 A W /BUSHIN 6
BRACKET
DESCRIPTION
16, 17, 22 SCREW M3X8
20 BRACKET
21
19 SCREW 3X10
18 GRIP GROUND
SHIELD PLATE
602215-212
SCREW M4X8
602215-207 41
602215-192
602215-175
602215-202
14, 32
15
12 HEAT SINK
13 NUT, HEX M3 602215-197 37
11
10
9
8 SCREW STD 4X12
7
6
4 LED, PCBA
5
3 COVER, FRONT ABS 94V-0 602215-183 25 CRT FLAT SCREEN PW 602215-185
SCREW, PAN 4X6
FENCH SHIELD (FBT)
602215-206
602215-189 39 KNOB VR
602215-211
SCREW STD 3X6
CORD STOPPER
PCBA MAIN 120V
602215-209 35 VOL-ROTARY 100K OHM 602215-215
602215-193 36 VOL-ROTARY 500 OHM 602215-216
602215-199
SCREW PAN 3X6
DIODE LED
LED LENS ACEYL
602215-181 31 PLATE SPEC 602215-201
602215-210
602215-208 29
602215-188 28 CASE SHIELD (TUBE) 602215-179
602215-195 27 PCBA CRT
602215-196 26 DEFLECTION YOKE
REF. NO. DESCRIPTION PART If
35
2
1
PLATE LOGO A1050P T0.4 602215-200 23 COVER SHIELD (FBT)
FOOT, RUBBER CR60-70 602215-191
21
8
16, 1 7 , 22
30, 33
11
7
37
10
19
42
12
25
3
43
28
45
9
REF. NO.
34
38
20
REF. NO.
45
44
CORD ASSY UL/CSA 602215-180
SIGNAL CABLE 602215-213
40
42 FET IRF7 40
43
SILICON RUBBER 602215-214
BUT46A W/BUSHING 602215-178
38
CRT GROUND ASSY
BRACKET VR
SCREW 4X10 602215-203
34 BRACKET BEAM
30, 33 SCREW 4X14
COVER, REAR
24
SCREW 4X20
DESCRIPTION PART If
602215-190
602215-186
602215-194
602215-177
602215-176
602215-204
602215-184
602215-198
602215-187
602215-205
602215-182
1405 SERVICE MANUA
4-
Page 26
* • >
SCHEMATIC DIAGRAM
NOTES:
?. Mi. icSiTTjr *c :/« o opi voc otvomix ^ u i n .
«. ClPlCirOR V«JG M€ IF IMXS OROUISE MICaTD. \ If'l
a. ill o p cirjs *c imv oa pr ikic oivcvmisc bc;uro.
I. fC.STDI VNJUCS tfC ** O l(H1'> al.lM O .M .*•*.*• O
to
w* nw /
tyip-pt /
tf0V tP-PI
SMVIP-PI
1
1
IIXW H 14
I.7VJP-PI
2.SVIP-PI
k J
4fV(P-Pt
k
1405 SERVICE MANUA
m
M O fl
5-:
IIM
Page 27
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