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STR-V333ES STR-V444ES STR-V555ES
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Sony STR-V333ES / STR-V444ES / STR-V555ES Service Manual ▷ View online

5
    After correcting the original service problem, perform the fol-
lowing safety checks before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage. Check leakage as
described below.
LEAKAGE
    The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microampers). Leak-
age current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a VOM
or battery-operated AC voltmeter. The “limit” indication is 0.75
V, so analog meters must have an accurate low-voltage scale.
The Simpson 250 and Sanwa SH-63Trd are examples of a pas-
sive VOM that is suitable. Nearly all battery operated digital
multimeters that have a 2V AC range are suitable. (See Fig. A)
SAFETY  CHECK-OUT
(US model only)
To Exposed Metal 
Parts on Set
0.15 
µF
1.5 k
AC
Voltmeter
(0.75 V)
Earth Ground
Fig. A.  Using an AC voltmeter to check AC leakage.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
• CHANGE OF BOARDS
Printed wiring boards have been changed.
Printed wiring boards and schematic diagrams of new type, and changed parts list are described in this service manual
NEW TYPE  IDENTIFICATION
FORMER TYPE
NEW TYPE
Model
Destination
Serial number
Serial number
STR-V333ES
US,CND
8,804,451 to 8,806,754
8,806,755 and later
STR-V444ES
US,CND
8,806,228 to 8,808,351
8,808,352 and later
STR-V555ES
US,CND
8,804,862 to 8,806,241
8,806,242 and later
STR-V555ES
AEP,UK,AUS (MY,SP,HK,CIS,EE)
55,502,861 to 5,504,150
5,504,151 and later
STR-V555ES
E2 (PX,EA)
4,400,001 to 4,400,010
4,400,011 and later
STR-V555ES
E3 (PX,EA)
3,300,001 to 3,300,209
3,300,210 and later
STR-V555ES
TW,CH
––––––––––––––––––
From first production
Ver 1.2  2002.01
• Abbreviation
CND : Canadian model
AUS : Australian model
CH
: Chinese model
EE
: East European model
EA
: Saudi Arabia model
SP
: Singapore model
TW
: Taiwan model
MY
: Malaysia model
HK
: Hong Kong model
6
1.
SERVICE NOTE
··························································· 7
2.
GENERAL
······································································ 8
3.
TEST MODE
··························································
10
4.
ELECTRICAL ADJUSTMENT ·························
11
5.
DIAGRAMS
5-1.
Block Diagram
• Audio Section ································································· 13
• Video Section ································································· 14
• Digital Section ······························································· 15
• Power Amp Section ························································ 16
5-2.
Circuit Boards Location ··················································· 17
FORMER TYPE
5-3.
Schematic Diagram – Digital (1/4) Section – ·················· 18
5-4.
Schematic Diagram – Digital (2/4) Section – ·················· 19
5-5.
Schematic Diagram – Digital (3/4) Section – ·················· 20
5-6.
Schematic Diagram – Digital (4/4) Section – ·················· 21
5-7.
Printed Wiring Board – Digital (Side A) Section – ·········· 22
5-8.
Printed Wiring Board – Digital (Side B) Section – ·········· 23
5-9.
Schematic Diagram – Digital IN/OUT Section – ············· 24
5-10. Printed Wiring Board – Digital IN/OUT Section – ·········· 24
5-11. Schematic Diagram – M-Bus Section – ··························· 25
5-12. Printed Wiring Board – M-Bus Section – ························ 25
5-13. Schematic Diagram – Input Section – ······························ 26
5-14. Printed Wiring Board – Input Section – ··························· 27
5-15. Schematic Diagram – Audio 2F Section – ······················· 28
5-16. Printed Wiring Board – Audio 2F Section – ····················· 29
5-17. Schematic Diagram – C-Video Section – ························· 30
5-18. Printed Wiring Board – C-Video Section – ······················ 31
5-19. Schematic Diagram – S-Video Section – ························· 32
5-20. Printed Wiring Board – S-Video Section – ······················ 33
5-21. Schematic Diagram – Power Amp Section – ··················· 34
5-22. Printed Wiring Board – Power Amp Section – ················· 35
5-23. Schematic Diagram – Front SP Section – ························ 36
5-24.  Printed Wiring Board – Front SP Section – ····················· 37
5-25. Schematic Diagram – Display Section – ·························· 38
5-26.  Printed Wiring Board – Display Section – ······················· 39
5-27.  Schematic Diagram – DC Power Section – ····················· 40
5-28. Printed Wiring Board – DC Power Section – ··················· 41
NEW TYPE
5-29. Schematic Diagram – Digital (1/4) Section – ................. 42
5-30. Schematic Diagram – Digital (2/4) Section – ................. 43
5-31. Schematic Diagram – Digital (3/4) Section – ................. 44
5-32. Schematic Diagram – Digital (4/4) Section – ................. 45
5-33. Printed Wiring Board – Digital (Side A) Section – ......... 46
5-34. Printed Wiring Board – Digital (Side B) Section – ......... 47
5-35. Schematic Diagram – Digital IN/OUT Section – ............ 48
5-36. Printed Wiring Board – Digital IN/OUT Section – ......... 48
5-37. Schematic Diagram – M-Bus Section – .......................... 49
5-38. Printed Wiring Board – M-Bus Section – ....................... 49
5-39. Schematic Diagram – Input Section – ............................. 50
5-40. Printed Wiring Board – Input Section – .......................... 51
5-41. Schematic Diagram – Audio 2F Section – ...................... 52
5-42. Printed Wiring Board – Audio 2F Section – .................... 53
5-43. Schematic Diagram – C-Video Section – ........................ 54
5-44. Printed Wiring Board – C-Video Section – ..................... 55
5-45. Schematic Diagram – S-Video Section – ........................ 56
5-46. Printed Wiring Board – S-Video Section – ..................... 57
5-47. Schematic Diagram – Power Amp Section – .................. 58
5-48. Printed Wiring Board – Power Amp Section – ................ 59
5-49. Schematic Diagram – Front SP Section – ....................... 60
5-50. Printed Wiring Board – Front SP Section – ..................... 61
5-51. Schematic Diagram – Display Section – ......................... 62
5-52. Printed Wiring Board – Display Section – ...................... 63
5-53. Schematic Diagram – DC Power Section – ..................... 64
5-54. Printed Wiring Board – DC Power Section – .................. 65
5-55. IC Block Diagrams ··························································· 66
5-56. IC Pin Function ································································ 69
6.
EXPLODED VIEWS
6-1.
Front Panel Section (1/2) ·················································· 76
6-2.
Front Panel Section (2/2) ·················································· 77
6-3.
Chassis Section (1/2) ························································ 78
6-4.
Chassis Section (2/2) ························································ 79
7.
ELECTRICAL PARTS LIST
··································· 80
Ver 1.2  2002.01
TABLE OF CONTENTS
7
Track No.
1
2
3
4
5
SECTION 1
SERVICE NOTE
DTS Decode Test
• Required Instrument
CD player (equipped with optical digital output)
Optical cable
DTS test CD (J-2501-154-A)
Connection:
Time
5'40"
4'16"
4'08"
3'29"
6'42"
Music Demonstration
Contents
Seal : "Prayer for the Dying"
Andrew Litton conducting
The Dallas Symphony Orchestra & Chorus:
Excerpt from Tchaikovsky: "1812 Overture"
Alan Parsons with Christopher Cross: "So Far Away"
Shoelss Joe: "The Bet"
TELARC: "A Touch of Surround Madness"
Procedure:
1. Set the FUNCTION of the receiver to the CD position and con-
firm that " [OPTICAL] " and "CD" appear on the display.
2. Insert the DTS test CD into the CD player and play the CD.
3. About three seconds later, confirm that the receiver recognizes
the optical signal and that the "DTS" and "dts [3/2]" are appear
on the display.  Confirm also that MULTI CHANNEL DECOD-
ING (blue lamp) flashes on the front panel.
Track No.
6
7
8
9
10
11
12
13
14
15
16
Set-Up
Contents
1 kHz sine (All channels)
Level Adjustment and Harmonic Distortion Analysis
100 Hz sine (All channels)
Verification of Signal and Subwoofer Testing
C-Weighted Pink Noise-Left Front Channel
C-Weighted Pink Noise-Center Channel
C-Weighted Pink Noise-Right Front Channel
C-Weighted Pink Noise-Right Rear Channel
C-Weighted Pink Noise-Left Rear Channel
C-Weighted Pink Noise-Subwoofer (LEE)
C-Weighted Pink Noise-All Channels
10 Hz to 20 kHz Sine Sweep
An "All Channel" Frequency Response Test
20 Hz to 160 Hz sine sweep
A "Subwoofer" Low Frequency Response Test
* Track numbers from 8 to 14 are for Room Equalization and Channel Iden-
tification.
1
 CD player
2
 Optical
     digital output
3
 Optical input
4
 Receiver  STR-V333ES/V444ES/V555ES
5
 DTS test CD (Music Demonstration and Set Up Disc)
Time
1'00"
1'00"
1'00"
2'00"
2'00"
2'00"
2'00"
2'00"
2'00"
2'00"
  2'00"
(note)
(note)
DIGATAL board
INPUT board
FM/AM tuner
EXTENSION CABLE
(J-2501-201-A)
Note : GND land of INPUT board and FM/AM tuner unit are connected to chassis.
JIG FOR CHECKING DIGITAL BOARD.
This extension cable (J-2501-201-A) is useful for checking.
8
SECTION 2
GENERAL
1
?/1 button
2
MASTER VOLUME control
3
MUTING button and indicator
4
INPUT MODE button
5
FUNCTION control
6
AUDIO SPLIT button
7
DOOR OPEN button
8
5.1CH INPUT button
9
IR receptor
0
IR emitter
qa
DISPLAY button
qs
FM/AM button
PRESET TUNNING +/– buttons
qd
A.F.D. button
CINEMA STUDIO EX button
MODE +/– buttons
2CH button
ANALOG DIRECT button
qf
MULTI CHANNEL DECODING indicator
qg
2ND AV button (V444ES/V555ES model)
2ND AUDIO button (V333ES model)
qh
SET UP button
qj
ENTER button
qk
Cursor button (< / >)
ql
Jog dial
w;
LEVEL button
wa
EQ button
ws
SURROUND button
wd
NAME button
wf
ON SCREEN button
wg
EQ BANK button
wh
SLEEP button
wj
DIMMER button
wk
TUNING +/– buttons
(EXCEPT AEP,UK,CIS,EE,AUS,MY,SP,HK)
TUNNING/PTY SELECT +/– buttons
(AEP,UK,CIS,EE,AUS,MY,SP,HK model)
wl
MEMORY button
e;
FM MODE button
ea
VIDEO 3 INPUT jack
S-VIDEO
VIDEO
AUDIO L/R
es
SPEAKERS selector
ed
PHONES jack
ef
Display window
A
OFF
A+B
B
+
0
10
1
9
8
7
2
3
6
5
4
? / 1
+
+
FM MODE
+
TUNING
NAME
LEVEL
EQ
SURROUND
ON SCREEN
EQ BANK
SET UP
ENTER
SLEEP
DIMMER
MULTI CHANNEL DECODING
PHONES
SPEAKERS
MASTER  VOLUME
FUNCTION
DOOR OPEN
MUTING
FM / AM
PRESET
TUNING
DISPLAY
2 CH
CINEMA 
STUDIO EX.
MODE
A.F.D.
ANALOG
DIRECT
5.1CH INPUT
VIDEO 3 INPUT
R
L
VIDEO
S-VIDEO
AUDIO
INPUT MODE
AUDIO SPLIT
MEMORY
1
9 0
qa
qs
e;
ea
wh
ed
es
wl
wj
wg
wd
wa
ql
qk
7
5
6
qj
ef
qf
qd
qg
4
2
3
8
wf
ws w;
qh
wk
FRONT PANEL
• Abbreviation
EE
: East European model
AUS : Australian model
MY : Malaysia model
SP
: Singapore model
HK : Hong Kong model
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