Sony STR-W770 User manual

STR-W770
E Model
Australian Model
SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
MICROFILM
STR-W770 is RECEIVER section in
MHC-W770AV.
SPECIFICATIONS
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5-108.0MHz
Aerial FM lead aerial
Aerial terminals 75 ohm unbalanced
Intermediate frequency 10.7MHz
AM tuner section
Tuning range (Thai,Australian,E)
AM: 530-1,710kHz
(with interval set at 10kHz)
531-1,710kHz
(with interval set at 9kHz)
(EXCEPT Thai,Australian,E)
MW: 531-1,602kHz
(with interval set at 9kHz)
(EXCEPT Thai,Australian,E)
SW: 5.95-17.90MHz
(with interval set at 9kHz)
Intermediate frequency 450kHz
Aerial AM loop aerial,
External aerial terminal
Video section
Inputs AV INPUT VIDEO
(phone jack) :
1 Vp-p, 75 ohms
MONITOR OUT
(phone jack) :
1 Vp-p, 75 ohms
Amplifier section
DIN power output 80W +80W
(6 ohms at 1kHz, DIN)
Music power output 190W + 190W
(6 ohms at 1kHz, 10%, THD)
Inputs MD/VIDEO 1 IN (phono jacks) : voltage 250 mV,
impedance 47 kilo ohms AV INPUT AUDIO
(phone jacks) : voltage 250 mV, impedance 47
kilo ohms
MIX/MIC (phone jack) :sensitivity 1mV,
impedance 10 kilo ohms
Outputs MD/VIDEO 1 OUT
(phone jacks) : voltage 250
mV, impedance 1 kilo ohm
PHONES (stereo phone
jack) : accepts headphone
of 8 ohms or more.
SPEAKER : accepts
impedance of 6 to 16
ohms
SUPER WOOFER :
Voltage 1 V, impedance 1
kilo ohms — Continued on next page —
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY”, “PRO LOGIC”and the double-D symbol aare
trademarks of Dolby Laboratories Licensing Corporation.

— 2 —
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Noticethattheminussideofatentalumcapacitormaybedamaged
by heat.
SAFETY-RELATED COMPONENTWARNING!!
COMPONENTS IDENTIFIED BY MARK !OR DOTTED LINEWITH
MARK !ON THE SCHEMATIC DIAGRAMS AND INTHE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
MODEL IDENTIFICATION
— Model Number Label —
Australian : AC 240V AC, ~ 50/60Hz 170W
Thai : AC 220V AC, ~ 50/60Hz 170W
OTHER MODEL : AC 110-120V, 220-240V selectable
~ 50/60Hz 170W
MODEL IDENTIFICATION
MODEL No.STR-W770
FM STEREO/FM-AM RECEIVER
TABLE OF CONTENTS
1. GENERAL ······································································ 3
2. TEST MODE ·································································· 5
3. DIAGRAMS ···································································· 6
3-1. Circuit Boards Location ····················································· 6
3-2. Printed Wiring Board — Panel Section —························· 7
3-3. Schematic Diagram — Panel Section — ··························· 9
3-4. Printed Wiring Board — Main Section — ······················· 12
3-5. Schematic Diagram — Main Section — ·························· 15
3-6. Printed Wiring Board and Schematic Diagram
— Power Section — ························································ 19
3-7. Printed Wiring Board and Schematic Diagram
— Mic Echo/AV in Section — ········································23
3-8. Printed Wiring Board and Schematic Diagram
— Power Section — ························································ 26
3-9. IC Pin Function ································································ 29
3-10. IC Block Diagrams ··························································· 31
4. EXPLODED VIEWS
4-1. Main Section····································································· 33
4-2. Panel Section ···································································· 34
5. ELECTRICAL PARTS LIST ··································· 35
General
Power requirements 240V AC, 50/60 Hz (Australian)
220V AC, 50/60 Hz (Thai)
110 - 120V/220-240V AC adjustable, 50/60 Hz
(OTHER MODEL)
Power consumption 170 watts
Dimensions (w / h / d) Approx. 280 ×205 ×336 mm
Mass Approx. 7.0 kg
Design and specifications are subject to change without notice.

— 3 —
SECTION 1
GENERAL
— FRONT PANEL —
1KARAOKE PON/MPX button
2SURROUND button
3EFFECT ON/OFF button
4MUSIC button
5MOVIE button
6GAME button
7P FILE button
8MEMO button
9DBFB button
!ºVOLUME
!¡GROOVE button
!™TUNER BAND button
!£MONO/ST button
!¢FUNCTION button
!∞MIC LEVEL
!§MIX MIC jack
!¶PHONES jack
!•EDIT button
!ªPLAY MODE button
@º1/ALL DISCS button
@¡REPEAT button
@™HIGH FREQ button
@£ENTER/NEXT button
@¢MULTI JOG STATION dial
@∞LOW FREQ button
@§MEMORY button
@¶TUNING MODE button
@•FLASH button
@ªLOOP button
#ºWAVE button
#¡AV INPUT jack
#™CLOCK TIMER SET button
#£TIMER SELECT button
#¢DOLBY PROLOGIC button
#∞MODE button
#§DISPLAY button
#¶POWER button
123456789!º!¡!™
!£
!¢
!∞
!§
!¶
!•!ª@º@¡@™@£@§ @¢@∞@¶@•@ª#º
#¡
#™
#£
#§
#¶
#∞
#¢

— 4 —
— BACK PANEL —
#• SYSTEM CONTROL
#ª MD/VIDEO jack
$º FRONT SPEAKER terminal
$¡ SUPER WOOFER jack
$™ MONITOR OUT jack
$£ CENTER SPEAKER terminal
$¢ REAR SPEAKER terminal
$∞VOLTAGE SELECTOR switch
(EXCEPT Thai, Australian model)
$§ ANTENNA terminal
Photo : E MODEL
$§
#•
#ª
$º
$¡
$™ $∞
$£ $¢

FL DISPLAY/KEY LED TEST MODE
PresstheREPEA T,ENTER/NEXTandSURR OUND buttons
sim ultaneousl y.
1. AllFLsegmentsandallLEDsturnon.
2. Toaccessthemicr opr ocessorinf ormation, pressthePFILE
key. Eac hpressingofthePFILEke yad vancesthedispla yon
theFLtubeinthef ollo wingsequence .
3.Toc hec ktheencoder ,presstheMUSICke y.Thef ollo wingdispla y
appearsontheFLtube.
"K0J0V0"
Then umberafterKindicatesthen umberoftimesthattheke yis
pressed. Theke ywhic hwaspressedinthepast, isnotcounted.
Theke ywhic hispressedhereafteriscounted. Pressingan yke y
increasesthenumberafterK.
ThenumberafterJindicatesthenumberofrotationsthattheJOG
dialisr otated. TurningtheJOGdialc loc kwiseincreasesthen umber
afterJ . TurningtheJOGdialcounter -cloc kwisedecreasesthe
numberafterJ.
Then umberafter V indicatesthen umberofr otationsthatthe
VOLUMEdialis r otated. Turning the VOLUME dialc loc kwise
increasesthen umberafter V. Turningthe VOLUMEdialcounter -
cloc kwisedecreasesthen umberafter V.
Toe xitthismode ,perf ormthe"ColdReset"(resetc learingmemor y)
asdescribedbelo w.
GENERALTEST MODE
(INCLUDING AMPLIFIER ANDTUNER)
Press the REPEA T, ENTER/NEXT and CLOCK TIMER SET
buttonssim ultaneousl ywhilethemainpo werison.
1. Soundv olumedispla ysegmentstar tsb linking.
2. ThetuningentersthePRESETmode.
3. Rotatingthe VOLUMEcontr ol c loc kwiseincreasesthev olume
leveltomaxim um.
Rotatingthe VOLUMEcontr olcounter -cloc kwisedecreases
thev olumele veltominim um.
4. Pressingthe MUSIC ke y decreases theequaliz ercur veto
minim umand"EQCHECK"appear sonthedispla y.
PressingtheMO VIEkeyincreasestheequaliz er cur veto
maximum.
PressingtheGAMEke ymakestheequaliz ercur veflat.
5. Pressingan y ofthe DBFB, GROOVE orSURR OUNDke y
disappear s"EQCHECK"onthedispla y.
Toe xitthismode ,perf ormthe"ColdReset"(resetc learingmemor y)
asdescribedbelo w.
SECTION 2
TEST MODE
AGING MODE
1. CDagingmode
Toe xecutetheCDa ging, setthethreediscstotheCDtra yand
setthefunctionto CD .REPEA T,ENTER/NEXTandLOOP
buttonssim ultaneousl y.TheCDa gingmodestar tsandthedisc
calendarstartsblinking.
2. Tapea gingmode
Toe xecutethetapea ging, setthetw otapestothetapeAandB
drives. Setthefunctionto TAPE. PresstheREPEA T, ENTER/
NEXTandLOOPb uttonssim ultaneousl y.PresstheAf orwar d
keytostar tthetapea gingmode . "AGING" appear sonthe
displa y.
CD SERVICE MODE
Turnonthemainpo wer.PresstheREPEA T,ENTER/NEXTand
KARAOKEPON/MPXb uttonssim ultaneousl y.
VACStog glesbetweenONandOFF .
VACS LEVEL DISPLAY
Turnon the main po wer. Pressthe EDIT ,ENTER/NEXTand
KARAOKEPON/MPXb uttonssim ultaneousl y.
VACSle velappear sonthedispla y.
CD SHIP MODE
Turnonthe mainpo wer.Press the PLA Y MODEand PO WER
buttonssim ultaneousl y.
Themainpo weristurnedoffandLOCKappear sonthedispla y.
TUNER STEP CHANGE
Turnonthemainpo wer. Setthefunctionto TUNER. SelectMW
bandfromthepresenttuning.
Turnoffthemainpo wer. PresstheENTER/NEXTandPO WER
buttons sim ultaneousl y. Themainpo weristurnedonand the
chang edstepappear sonthedispla y.
MD/VIDEO 1 FUNCTION CHANGE
PresstheFUNCTIONandPO WERb uttonssim ultaneousl ywhile
themainpo werison. Whenthefunctionissetto VIDEO1, the
functionisc hang edtoMDandMDappear sonthedispla y.
WhenthefunctionissettoMD ,thefunctionisc hang edto VIDEO
1and VIDEO1appear sonthedispla y.
COLD RESET (Reset which clears memory.)
Press the REPEA T, ENTER/NEXT and DISPLA Y buttons
sim ultaneousl yatan ytime . Thesystemisresetwhilec learing
memor y.
HOT RESET
(Reset which does not clear memory.)
PresstheREPEA T,ENTER/NEXTand TIMERSELECTb uttons
sim ultaneousl y atan ytime . Thesystem isreset withoutc learing
memor y.
STR microprocessor version number
HCD microprocessor version number
VCD microprocessor version number (VCD model only)
Model name
Destination
3-1. CIRCUIT BOARDS LOCATION
SECTION 3
DIAGRAMS
PRI BOARD
SEC BOARD
PANEL BOARD
AVIN BOARD
JOG BOARD
VOLUME BOARD
MIC ECHO BOARD
AMP-A BOARD
MAIN BOARD
SUR BOARD
SURROUND
AMP BOARD
ENCAPSULATED
COMPONENT
— 5 — — 6 —
SUPPLY BOARD

– 29 –
3-9. IC PIN FUNCTION
• IC501TMP87CM75F-6623 (DISPLAY CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
—
—
O
I
O
O
O
O
I
I
—
O
I
I
O
I
—
I
I
I
I
I
I
I
I
—
I/O
I/O
—
—
—
O
O
O
O
O
O
O
—
I
I
I
I
I
I
I
I
—
—
—
Description
Not used
Power supply (–35V)
Transfer clock output serial data
Serial data input
Serial data output
Chip enable output
Latch output to IC504
H : D542, D543 ON
Stereo signal input
Tuned signal input
Power supply (Ground)
Oscillator connection terminal (8MHz)
Oscillator connection terminal (8MHz)
Reset signal input terminal
Oscillator connection terminal (32.768kHz)
Oscillator connection terminal (32.768kHz)
Not used (Ground)
AC Power supply off
RDS DATA input
RDS clock input
SIRCS signal input
JOG dial encoder input
Volum encoder input
Volum encoder input
JOG dial encoder input
Not used
12C clock I/O
12C data I/O
Not used
Power supply (5V)
Power supply (Ground)
Latch output to IC105
Latch output to IC2002
Mute output to transistor L : Mute ON
DBFB level control output L : DBFB HIGH
Latch output to IC6003
H : Key con ON
L : SP relay ON
Not used
Key data input (A/D converter)
Key data input (A/D converter)
Key data input (A/D converter)
Spectrum analyzer signal input
Spectrum analyzer signal input
Spectrum analyzer signal input
Spectrum analyzer signal input
Input for model select
Power supply for analog (Ground)
Power supply (+5V)
Power supply (Ground)
Pin Name
NC
VG
COM CLK
ST DATA IN
COM DATA
ST CE
LED LAT
POWER ON/OFF
STEREO
TUNED
Vss
X OUT
X IN
RESET
XT OUT
XT IN
GND
BACK UP
RDS DATA
RDS CLK
SIRCS IN
JOG IN B
VOL IN B
VOL IN A
JOG IN A
AUB IN
12C CLK
12C DATA
AUB OUT
VDD
Vss
EQ LAT
VR LAT
TA MUTE
VIDEO MD
KEY CON LAT
KEY CON ON/OFF
POWER ON/OFF
P LOG RELAY
KEY IN 0
KEY IN 1
KEY IN 2
SPEANA 0
SPEANA 1
SPEANA 2
SPEANA 3
SUFFIX
VASS
VAREF
VDD

– 30 –
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
—
Description
H : MUTE L : Signal Receiving
Not used
Pin Name
FL–1G
FL–2G
FL–3G
FL–4G
FL–5G
FL–6G
FL–7G
FL–8G
FL–9G
FL–10G
FL–11G
FL–12G
FL–13G
FL–14G
FL–P1
FL–P2
FL–P3
FL–P4
FL–P5
FL–P6
FL–P7
FL–P8
FL–P9
FL–P10
FL–P11
FL–P12
FL–P13
FL–P14
FL–P15
FL–P16
FL–P17
FL–P18
FL–P19
FL–P20
FL-P21
FL–P22
FL–P23
FL–P24
FL–P25
FL–P26
FL–P27
FL–P28
FL–P29
FL–P30
FL–P31
FL–P32
FL–P33
FL–P34
ST MUTE
NC
Grid output to FL501
Segment output to FL501

– 31 –
3-10. IC BLOCK DIAGRAMS
IC3001 LA2786
IC3000 LV1016
1
2
3
4
5
6
7
8
9
15
10
11
12
–+
13
14
16
21
18 19
25
17
24
22
23
20
34
32
33
29
30
35
28
31
27
26
36
40
39
38
37
41
42
NOISE
FILTER NOISE
CH
BALANCE
CONTROL
VR
CONTROL
LPF
V REF
VR
VR
NOISE
GENERATOR
VCAVCA
VCA
VCA
VCAVCA VCA
VCA
LPF
LPF
RECT RECT RECT RECT
P. S.
P. S.
CMODE
MUTE
DIVIDER OSC
CONTROL
CTRIM
LOG
DIFF LOG
DIFF
DUAL T
CONTROL
L-IN
R-IN
V
SS
CLK DATA V
CC
L-OUT R-OUT
S-OUT C-OUT
ENABLE
OSC1 CMODE-CAP. C-TRIM DC CUT R-BPF1 R-BPF2 R-BPF3 DC CUT DC CUT L-R RECT L+R RECT VCS-TH VCS-1 VCS-2
BPF1 BPF2
VREF
S-CH DC OUT C-CH DC OUT
L-CH DC OUT
R-CH DC OUT
VREF
L-BPF1 L-BPF2 L-BPF3
DC CUT DC CUT
R RECT
L RECT
VLR-TH
VLR-1 VLR-2
15 6
+
–
+
20 19 18 17 16 15 14 13
21
22
2324
2 3 4789 10 12
11
+
DEC
IN-FILTER
(40kHz)
VDD
ADM-CONT SRAM
ADM
OUT-FILTER
(7k/5k)
B-NR
DC-OUT
VOL/MUTE
S-TRIM
INV-PHASE
R+DELAY
L+DELAY
A
B
A
B
A
B
A
B
A
B
A
B
A
B
L–R
L+R
(–6dB)
A
B
A.GND L-OUT
R-OUT
VREF S-OUT
DELAY-OUT
S-IN
R-IN
L-IN
VCC
NR-DET
ENABLE
DATA
CLK
D.GND
DC-CUT VDD OSC OSC
NR-IREF
DC-CUT

– 32 –
1 2 3 4 5 6 7 8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC ON
MUTE
AC OFF
DET
V
CC
IC850 µPC1237HA
+
–
+
–
+
–
+
–
+
–
+
–
+
–
SBAND GRAPHIC EQUALIZER
SBAND GRAPHIC EQUALIZER
U-CON
INTER
FACE
+ –
+
–
+
–
+
–
+
–
+
–
+
–
+
–
12345678 9 10 2019
18
171615
14
13
12
11 21 22 23 24
64 63 62 61 60 59 58 57 56 55 45
46
4748495051
52
5354 44 43 42 41
25
26
27
28
29
30
31
32
33
34
40
39
38
37
36
35
80
79
78
77
76
75
74
73
72
71
65
66
67
68
69
70
KEY OUT1
NC3
REC 1A
REC 1B
REC 1C
NC4
F1 F1
F1 O1
F1 IN1
F2 F1
F2 O1
F2 IN1
F3 F1
F3 O1
F3 IN1
F4 F1
F4 O1
F4 IN1
F5 F1
F OUT1
VOL OUT1
VOL IN1
BBIN1
BB11 BB12
BBIN2 VOL OUT2 VOL IN2 F OUT2 F5 F2 F4 IN2 F4 O2 F4 F2 F3 IN2 F3 O2 F3 F2 F2 IN2 F2 O2 F2 F2 F1 IN2 F1 O2 F1 F2 NC6 REC 2C REC 2B REC 2A NC7 KEY OUT2
BB22
BUF IN1
BUF OUT1
NC5
AVDD
DGND
LATCH
DATA
CLOCK
DVDD
PORT C
PORT B
PORT A
BUFOUT1
BUFIN1
BB21
KEY IN1
DELAY OUT
DELAY IN
NC2
IN 1B
NC1
IN 1A
AGND
AVSS
IN 2A
NC9
IN 2B
NC8
BPF IN
BPF OUT
KEY IN2
IC105 M62427FP-A

SECTION 4
EXPLODEDVIEWS
Note:
• -XX,-Xmeanstandardiz edpar ts,sothe ymay
havesomediff erencesfromtheor iginalone .
• Items mar ked “*”arenotstoc kedsince the y
areseldomrequiredforroutineservice.Some
delayshouldbeanticipatedwhenorderingthese
items.
• Themechanicalpartswithnoreferencenumber
inthee xplodedvie wsarenotsupplied.
• Abbreviations
TH :Thai SP :Singapore
HK :Hong Kong EA :SaudiAr abia
AUS :Australian MY :Malaysia
The components identified by mark !or
dotted line with mark !are critical for safety.
Replace only with part number specified.
— 33 —
4-1. MAIN SECTION
1 3-363-099-11 SCREW (CASE 3 TP2)
*2 4-991-364-11 CASE
*3 1-666-059-11 SEC BOARD
*4 1-666-069-11 PRI BOARD
*5 A-4398-466-A SURROUND AMP BOARD, COMPLETE
(EXCEPT TH)
*5 A-4403-217-A SURROUND AMP BOARD, COMPLETE (TH)
6 1-233-545-21 ENCAPSULATED COMPONENT (AUS,TH)
6 1-233-546-21 ENCAPSULATED COMPONENT(EXCEPT AUS,TH)
*7 1-666-070-11 AMP-A BOARD
*8 4-991-362-01 PANEL (WH3), BACK (E)
*8 4-991-362-11 PANEL (WH3), BACK (MY,SP)
*8 4-991-362-21 PANEL (WH3), BACK (HK)
*8 4-991-362-31 PANEL (WH3), BACK (AUS)
*8 4-991-362-41 PANEL (WH3), BACK (TH)
*8 4-991-362-51 PANEL (WH3), BACK (EA)
*9 A-4398-455-A MAIN BOARD, COMPLETE (EXCEPT AUS,TH)
*9 A-4398-456-A MAIN BOARD, COMPLETE (AUS)
*9 A-4403-208-A MAIN BOARD, COMPLETE (TH)
10 4-970-381-11 FOOT (REAR)
*11 3-703-244-00 BUSHING (2104), CORD (EXCEPT TH)
11 3-703-571-11 BUSHING (S) (4516), CORD (TH)
!12 1-690-608-11 CORD, POWER (AUS)
!12 1-751-326-31 CORD, POWER (TH)
!12 1-777-071-21 CORD, POWER (EA,HK,MY,SP)
!12 1-782-315-11 CORD, POWER (E)
!13 1-569-007-11 ADAPTOR, CONVERSION 2P (E)
!13 1-569-008-21 ADAPTOR, CONVERSION 2P (EA,MY,SP)
!13 1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (HK)
14 4-956-370-12 BAND, PLUG FIXED (HK,AUS)
15 4-977-358-11 CUSHION (8X12.5)
16 4-970-385-41 ORNAMENT (FOOT)
*17 A-4398-997-A SUPPLY POWER BOARD, COMPLETE
*18 1-666-071-11 SUR BOARD
*19 3-378-760-01 CUSHION, FIBER
M601 1-698-792-11 FAN, DC
!T901 1-431-363-11 TRANSFORMER, POWER
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
9
18
6
14
8
5
7
11
3
17
1
10
15
16
16
15
1
2
#1
#2 #2
#2 not
supplied
#3
#3
not supplied
T901
#4 #4
#4
M601
#3
#3
#3
#5
#5
4
12
13
12
AUS MODEL
EA, MY, SP, HK MODEL
12
13
E,TH MODELE MODEL
EA, MY, SP,
MODEL
13
HK MODEL

— 34 —
4-2. PANEL SECTION
51 4-991-318-01 KNOB (VOL)
52 4-991-324-01 KNOB (MIC)
53 4-991-317-01 KNOB (JOG)
55 X-4948-613-1 PANEL ASSY, FRONT
56 4-962-708-11 EMBLEM (4-A), SONY
57 X-4948-612-1 DISPLAY ASSY, BUTTON
*58 4-932-810-11 CUSHION (FL)
*59 4-986-870-01 HOLDER, FL TUBE
*60 1-666-060-11 AVIN BOARD
*61 1-666-062-11 JOG BOARD
62 X-4948-611-1 BUTTON (E/N) ASSY
63 4-984-085-01 SPRING (ENTER), COMPRESSION
*64 A-4398-467-A PANEL BOARD, COMPLETE (EXCEPT AUS,TH)
*64 A-4398-468-A PANEL BOARD, COMPLETE (AUS)
*64 A-4403-218-A PANEL BOARD, COMPLETE (TH)
65 4-951-620-01 SCREW (2.6X8), +BVTP
*66 1-666-057-11 MIC ECHO BOARD
FL501 1-517-618-11 INDICATOR TUBE, FLUORESCENT
66
57
65
65
64
61
62
63
60
58
59
58
55
56
53
51
52
FL501
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

Note: • Duetostandardization,replacementsinthe
par ts list ma y be different from the par ts
specifiedinthe diagrams orthecomponents
usedontheset.
• -XX,-Xmeanstandardizedparts,sotheymay
havesomediff erencefromtheor iginalone .
• Itemsmarked“*”arenot stocked since they
areseldomrequiredforroutineservice.Some
delayshouldbeanticipatedwhenorderingthese
items.
• CAPACITORS:
uF: µF
The components identified by mark !or
dotted line with mark !are critical for safety.
Replace only with part number specified.
• RESIST ORS
Allresistors areinohms.
METAL:metal-filmresistor
METAL OXIDE:Metal Oxide-filmresistor
F:nonflammable
• COILS
uH: µH
• SEMICONDUCT ORS
Ineachcase,u: µ,forexample:
uA...: µA..., uPA... , µPA...,
uPB..., µPB...,uPC..., µPC...,
uPD..., µPD...
When indicating parts by reference number,
please include the board naame.
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
— 35 —
SECTION 5
ELECTRICAL PARTS LIST
• Abbreviations
TH :Thai SP :Singapore
HK :Hong Kong EA :SaudiAr abia
AUS :Australian MY :Malaysia
*1-666-070-11 AMP-A BOARD
***********
< CAPACITOR >
C900 1-162-306-11 CERAMIC 0.01uF 20% 16V
C901 1-126-961-11 ELECT 2.2uF 20% 50V
C902 1-162-294-31 CERAMIC 0.001uF 10% 50V
C903 1-162-282-31 CERAMIC 100PF 10% 50V
C904 1-126-967-11 ELECT 47uF 20% 50V
C905 1-126-967-11 ELECT 47uF 20% 50V
C906 1-136-495-11 FILM 0.068uF 5% 50V
C907 1-136-495-11 FILM 0.068uF 5% 50V
C932 1-128-552-51 ELECT 47uF 20% 63V
C933 1-128-581-11 ELECT 4.7uF 20% 63V
C934 1-128-552-51 ELECT 47uF 20% 63V
C937 1-126-965-11 ELECT 22uF 20% 50V
C938 1-126-934-11 ELECT 220uF 20% 16V
C940 1-128-581-11 ELECT 4.7uF 20% 63V
C951 1-126-961-11 ELECT 2.2uF 20% 50V
(EXCEPT TH)
C951 1-126-963-11 ELECT 4.7uF 20% 50V (TH)
C952 1-162-294-31 CERAMIC 0.001uF 10% 50V
C953 1-162-282-31 CERAMIC 100PF 10% 50V
C954 1-126-967-11 ELECT 47uF 20% 50V
C955 1-126-967-11 ELECT 47uF 20% 50V
C956 1-136-495-11 FILM 0.068uF 5% 50V
C957 1-136-495-11 FILM 0.068uF 5% 50V
< CONNECTOR >
CN902 1-564-524-11 PLUG, CONNECTOR 9P
< DIODE >
D903 8-719-987-63 DIODE 1N4148M
D953 8-719-987-63 DIODE 1N4148M
< IC >
IC901 8-749-921-04 IC STK-4211MK-2
< TRANSISTOR >
Q901 8-729-900-80 TRANSISTOR DTC114ES
Q902 8-729-140-84 TRANSISTOR 2SC1841-PAFAEA
Q952 8-729-140-84 TRANSISTOR 2SC1841-PAFAEA
< RESISTOR >
R901 1-249-417-11 CARBON 1K 5% 1/4W F
R902 1-249-437-11 CARBON 47K 5% 1/4W
R903 1-249-411-11 CARBON 330 5% 1/4W
R904 1-249-437-11 CARBON 47K 5% 1/4W
R906 1-249-429-11 CARBON 10K 5% 1/4W
R907 1-249-429-11 CARBON 10K 5% 1/4W
R908 1-249-429-11 CARBON 10K 5% 1/4W
R909 1-249-429-11 CARBON 10K 5% 1/4W
R910 1-249-397-11 CARBON 22 5% 1/4W F
R911 1-249-397-11 CARBON 22 5% 1/4W F
R913 1-249-417-11 CARBON 1K 5% 1/4W F
R914 1-249-431-11 CARBON 15K 5% 1/4W
R915 1-249-441-11 CARBON 100K 5% 1/4W
!R920 1-217-156-00 WIREWOUND 0.22 10% 5W F
!R932 1-212-881-11 FUSIBLE 100 5% 1/4W F
R933 1-249-421-11 CARBON 2.2K 5% 1/4W F
R934 1-249-421-11 CARBON 2.2K 5% 1/4W F
R935 1-249-421-11 CARBON 2.2K 5% 1/4W F
R936 1-249-421-11 CARBON 2.2K 5% 1/4W F
R937 1-249-429-11 CARBON 10K 5% 1/4W
R938 1-247-883-00 CARBON 150K 5% 1/4W
R940 1-249-433-11 CARBON 22K 5% 1/4W
R941 1-249-429-11 CARBON 10K 5% 1/4W
R942 1-249-413-11 CARBON 470 5% 1/4W F
!R943 1-212-881-11 FUSIBLE 100 5% 1/4W F
R944 1-249-417-11 CARBON 1K 5% 1/4W F
R945 1-249-417-11 CARBON 1K 5% 1/4W F
R951 1-249-417-11 CARBON 1K 5% 1/4W F
R952 1-249-437-11 CARBON 47K 5% 1/4W
R953 1-249-411-11 CARBON 330 5% 1/4W
R954 1-249-437-11 CARBON 47K 5% 1/4W
R956 1-249-429-11 CARBON 10K 5% 1/4W
R957 1-249-429-11 CARBON 10K 5% 1/4W
R958 1-249-429-11 CARBON 10K 5% 1/4W
R959 1-249-429-11 CARBON 10K 5% 1/4W
R960 1-249-397-11 CARBON 22 5% 1/4W F
R961 1-249-397-11 CARBON 22 5% 1/4W F
R963 1-249-417-11 CARBON 1K 5% 1/4W F
R964 1-249-431-11 CARBON 15K 5% 1/4W
R965 1-249-441-11 CARBON 100K 5% 1/4W
!R970 1-217-156-00 WIREWOUND 0.22 10% 5W F
************************************************************
AMP-A