Sony HT-1700D / HT-5500D / HT-DDW740 / HT-DDW840 / STR-K740P / STR-K840P Service Manual ▷ View online
4
STR-K740P/K840P
TABLE OF CONTENTS
1. GENERAL
·········································································· 5
2. TEST MODE
······································································ 6
3. DIAGRAMS
········································································ 8
3-1. Circuit Board Location ·················································· 8
3-2. Block Diagrams – MAIN Section – ···························· 10
3-2. Block Diagrams – MAIN Section – ···························· 10
– DISPLAY/POWER Section – ··································· 11
3-3. Printed Wiring Board – DIGITAL Section – ··············· 12
3-4. Schematic Diagram – DIGITAL Section (1/2) – ········· 13
3-5. Schematic Diagram – DIGITAL Section (2/2) – ········· 14
3-6. Printed Wiring Board – MAIN Section – ···················· 15
3-7. Schematic Diagram – MAIN Section (1/2) – ·············· 16
3-8. Schematic Diagram – MAIN Section (2/2) – ·············· 17
3-9. Printed Wiring Board – DISPLAY Section – ·············· 18
3-10. Schematic Diagram – DISPLAY Section – ················· 19
3-11. Printed Wiring Board – VIDEO Section – ·················· 20
3-12. Schematic Diagram – VIDEO Section – ····················· 20
3-13. Printed Wiring Board – POWER Section – ················· 21
3-14. Schematic Diagram – POWER Section – ··················· 22
3-15. IC Block Diagrams ······················································ 23
3-16. IC PIN FUNCTION DESCRIPTIONS ······················· 25
3-4. Schematic Diagram – DIGITAL Section (1/2) – ········· 13
3-5. Schematic Diagram – DIGITAL Section (2/2) – ········· 14
3-6. Printed Wiring Board – MAIN Section – ···················· 15
3-7. Schematic Diagram – MAIN Section (1/2) – ·············· 16
3-8. Schematic Diagram – MAIN Section (2/2) – ·············· 17
3-9. Printed Wiring Board – DISPLAY Section – ·············· 18
3-10. Schematic Diagram – DISPLAY Section – ················· 19
3-11. Printed Wiring Board – VIDEO Section – ·················· 20
3-12. Schematic Diagram – VIDEO Section – ····················· 20
3-13. Printed Wiring Board – POWER Section – ················· 21
3-14. Schematic Diagram – POWER Section – ··················· 22
3-15. IC Block Diagrams ······················································ 23
3-16. IC PIN FUNCTION DESCRIPTIONS ······················· 25
4. EXPLODED VIEWS
······················································ 27
4-1. Front Panel Section ····················································· 27
4-2. Chassis Section-1 ························································ 28
4-3. Chassis Section-2 ························································ 29
4-2. Chassis Section-1 ························································ 28
4-3. Chassis Section-2 ························································ 29
5. ELECTRICAL PARTS LIST
······································· 30
MODEL IDENTIFICATION
— BACK PANEL —
Parts No.
MODEL
PARTS No.
K740P : US
4-238-189-2s
K740P : Canadian
4-238-189-3s
K740P : Malaysia,Singapore
4-238-189-4s
K740P : E
4-238-189-5s
K740P : AEP
4-238-189-6s
K740P : UK
4-238-189-7s
K840P : US
4-238-193-0s
K840P : Canadian
4-238-193-1s
K840P : Malaysia, Singapore
4-238-193-2s
K840P : E
4-238-193-3s
K840P : AEP
4-238-193-4s
K840P : UK
4-238-193-5s
K840P : Argentine
4-238-193-8s
K840P : Mexican
4-238-193-9s
5
STR-K740P/K840P
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
g
+
–
–
1
7
4
5
2 3
6
90 qaqsqdqf qg qhqjqkqlw; waws
8
FM MODE (Models of area code
CEL, CEK only) ed, (Except for
models of area code CEL, CEK)
ef (32)
models of area code CEL, CEK)
ef (32)
INPUT MODE qg (22)
IR (receptor) 4 (39, 46, 52)
LEVEL 0 (16, 20, 28, 57)
IR (receptor) 4 (39, 46, 52)
LEVEL 0 (16, 20, 28, 57)
M
MASTER VOLUME wd (20, 50)
MD/TAPE qj (22)
MEMORY eh (31, 33)
MENU +/– e; (16, 28, 36, 37, 57)
MENU </> ea (16, 28, 36, 37, 57)
MODE wj (25, 30, 51)
MULTI CHANNEL DECODING
MD/TAPE qj (22)
MEMORY eh (31, 33)
MENU +/– e; (16, 28, 36, 37, 57)
MENU </> ea (16, 28, 36, 37, 57)
MODE wj (25, 30, 51)
MULTI CHANNEL DECODING
(indicator) (HT-DDW840 only)
7 (22)
7 (22)
MULTI CH IN (HT-DDW840
only) qf (22)
MUTING wf
8
(22, 50)
N – S
NAME
(36)
PHONES (jack) ek (22, 51)
PRESET/PTY SELECT +/–
PRESET/PTY SELECT +/–
(Models of area code CEL, CEK
only) 3 (33, 34)
only) 3 (33, 34)
PRESET TUNING +/– (Except
for models of area code CEL,
CEK) 3 (33, 54)
CEK) 3 (33, 54)
PTY (models of area code CEL,
CEK only) ef (34)
SET UP 6 (4, 16, 37, 57)
SHIFT eg (33)
SLEEP (HT-DDW740 only) qf
SHIFT eg (33)
SLEEP (HT-DDW740 only) qf
(37)
SURR qd (28, 57)
T – Z
TREBLE +/– qh (30, 57)
TUNER ws (22, 32, 33, 36)
TUNING +/– 5 (32)
VIDEO 1 qk (22)
VIDEO 2 w; (22)
TUNER ws (22, 32, 33, 36)
TUNING +/– 5 (32)
VIDEO 1 qk (22)
VIDEO 2 w; (22)
BUTTON DESCRIPTIONS
?/1 (power) 1 (4, 15, 20, 21,
30, 31, 54)
ALPHABETICAL ORDER
0 – 9
2 CH wh (26)
A – D
A.DEC wk (24, 26)
AM (Except for models of area
AM (Except for models of area
code CEL, CEK) es (31, 32)
BASS +/– wg (19, 30, 57)
CD ql (22)
CINEMA STUDIO EX A, B, C
CD ql (22)
CINEMA STUDIO EX A, B, C
9 (25)
Digital Cinema Sound (indicator)
qs (24)
DIMMER ej (23)
DISPLAY 2 (23, 34, 52)
Display qa
DISPLAY 2 (23, 34, 52)
Display qa
(23)
DVD/LD wa (22)
E – L
ENTER wl (36)
FM (Except for models of area
FM (Except for models of area
code CEL, CEK) ed (31, 32)
FM/AM (Models of area code
CEL, CEK only) es (31, 32)
ek
ej
eh eg ef ed es ea
e;
wl wk wj wh
wg
wf
wd
•
Abbreviation
CEK
CEK
: UK model.
CEL
: AEP model.
6
STR-K740P/K840P
SECTION 2
TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
* Procedure:
While depressing the VIDEO 1 and the 2CH buttons simul-
taneously, press the power ?/1 button to turn on the main power.
The message “FACTORY” appears and switch off the set.
While depressing the VIDEO 1 and the 2CH buttons simul-
taneously, press the power ?/1 button again. The message
“FACTORY” appears and the present contents are reset to the
default values.
taneously, press the power ?/1 button to turn on the main power.
The message “FACTORY” appears and switch off the set.
While depressing the VIDEO 1 and the 2CH buttons simul-
taneously, press the power ?/1 button again. The message
“FACTORY” appears and the present contents are reset to the
default values.
AM CHANNEL STEP 9 KHZ/10 KHZ
SELECTION MODE
SELECTION MODE
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Set the FUNCTION to AM. Turn off the main power.
While depressing the TUNING+ button or the
PRESET+ button, press the power ?/1 button to turn on the
main power. Either the message “9 k STEP” or “10 k STEP”
appears. Select the desired step.
While depressing the TUNING+ button or the
PRESET+ button, press the power ?/1 button to turn on the
main power. Either the message “9 k STEP” or “10 k STEP”
appears. Select the desired step.
* For US/Canadian/E model only
SPEAKER SIZE SELECTION MODE
*Either Normal Speaker or Micro Satellite Speaker can be selected.
*Procedure:
While depressing the LEVEL button, press the power ?/1 button
to turn the main power.
Either the message “NORM. SP.” or “MICRO SP.” is displayed.
Select the desired speaker size.
*Procedure:
While depressing the LEVEL button, press the power ?/1 button
to turn the main power.
Either the message “NORM. SP.” or “MICRO SP.” is displayed.
Select the desired speaker size.
FLUORESCENT INDICATOR TUBE TEST MODE
* All fluorescent segments are tested. When this test is activated,
all segments turn on at the same time, then each segment turns on
one after another.
one after another.
* Procedure:
While depressing the MD/TAPE and the SHIFT buttons simul-
taneously, press the power ?/1 button to turn on the main power.
taneously, press the power ?/1 button to turn on the main power.
1. All segments turn on.
MULTI CHANNEL DECODING , Digital Cinema Sound ,
A.F.D. , MODE , 2CH and SET UP LED turn on.
A.F.D. , MODE , 2CH and SET UP LED turn on.
2. Press the VIDEO button, confirm display.
A.F.D. , MODE , LEVEL , SET UP , and Digital Cinema Sound
LED turn on.
LED turn on.
3. Press the VIDEO button, confirm display
MULTI CHANNEL DECODING , 2CH , SURR and NAME
LED turn on.
LED turn on.
4. Press the VIDEO button, All segments turn off.
5. Every pressing of the VIDEO button turns on each
segment and LED one after another in the same order.
(Not only the VIDEO button, but also the other buttons such as
DVD/LD , TV/SAT , MD/TAPE , CD , TUNER and AUX can
be used.)
(Not only the VIDEO button, but also the other buttons such as
DVD/LD , TV/SAT , MD/TAPE , CD , TUNER and AUX can
be used.)
SOUND FIELD CLEAR MODE
* The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
completion of repair.
* Procedure:
While depressing the MODE button, press the power ?/1 button
to turn on the main power.
The message “SURR. CLR.” appears and initialization is
performed.
to turn on the main power.
The message “SURR. CLR.” appears and initialization is
performed.
DEMONSTRATION MODE
* Demonstration is performed.
* Procedure :
* Procedure :
While depressing the SET UP button, press the power ?/1
button. The message appears and demonstration is performed.
button. The message appears and demonstration is performed.
* To finish DEMONSTRATION MODE, press the power ?/1
button while the introduction message appears in the display.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
* Procedure:
While depressing the ENTER and the A.F.D buttons
simultaneously, press the power ?/1 button to turn on the main
power. The model name, destination and the software version are
displayed.
simultaneously, press the power ?/1 button to turn on the main
power. The model name, destination and the software version are
displayed.
KEY CHECK MODE
* Button check
* Procedure:
* Procedure:
While depressing the VIDEO 1 and the SHIFT buttons
simultaneously, press the power ?/1 button to turn on the main
power.
“REST 39” appears. (AEP, UK, model: “RESET 38”)
Every pressing of any button other than ?/1 and SPEAKERS
counts down the buttons. The buttons which are already counted
once are not counted again. When all buttons are pressed “REST
00” appears.
When MASTER VOLUME is rotated in clockwise direction,
“VOL MIN”, “VOL 1” to “VOL 48”, “VOL MAX” appear.
simultaneously, press the power ?/1 button to turn on the main
power.
“REST 39” appears. (AEP, UK, model: “RESET 38”)
Every pressing of any button other than ?/1 and SPEAKERS
counts down the buttons. The buttons which are already counted
once are not counted again. When all buttons are pressed “REST
00” appears.
When MASTER VOLUME is rotated in clockwise direction,
“VOL MIN”, “VOL 1” to “VOL 48”, “VOL MAX” appear.
SW
L
SL
C
R
S
SR
SLEEP
SP.OFF
( ( ( L F E ) ) )
DIGITAL
OPT COAX MULTI CH IN
PRO LOGIC DTS MPEGSTEREO MONO RDS
MEMORY
MUTING
INFO
NEWS
TA
EQ
D.RANGE
D D
dB
kHz
mft.
MHz
SW
L
R
S
SLEEP
L F E
COAX
PRO LOGIC
MPEGSTEREO
RDS
MUTING
INFO
TA
D.RANGE
D D
k
m
MHz
SL
C
SR
SP.OFF
( ( ( ) ) )
DIGITAL
OPT
MULTI CH IN
DTS
MONO
MEMORY
NEWS
EQ
dB
Hz
ft.
ft.
7
STR-K740P/K840P
AUTO BETICAL MODE
* This mode is installed in the Europe models only. When this mode
is used, the receiver scans the broadcasts that can be received by
the tuner, and sets up the broadcasts. Be sure to start scanning
after connecting the antenna.
the tuner, and sets up the broadcasts. Be sure to start scanning
after connecting the antenna.
* Procedure:
1. Check that the antenna is connected.
2. Press the ?/1 button to turn on the power while pressing the
1. Check that the antenna is connected.
2. Press the ?/1 button to turn on the power while pressing the
MEMORY button.
3. The message “AUTO-BETICAL SELECT” appears and the
receiver starts scanning.