Sony HT-6600DP / STR-K850P Service Manual ▷ View online
6
STR-K850P
SECTION 2
TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
* Procedure:
While depressing the FM MODE and the PRESET TUNING
−
buttons simultaneously, press the ?/1 button again. The message
“FACTORY” appears and the present contents are reset to the
default values.
“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 TUNING + button, press the ?/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 TUNING + button, press the ?/1 button to turn on
the main power. Either the message “9 k STEP” or “10 k STEP”
appears. Select the desired step.
SPEAKER SIZE SELECTION MODE
*Either Normal Speaker or Micro Satellite Speaker can be selected.
*Procedure:
While depressing the MAIN MENU button, press the ?/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 MAIN MENU button, press the ?/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 FM MODE and the MD/TAPE buttons
simultaneously, press the ?/1 button to turn on the main power.
simultaneously, press the ?/1 button to turn on the main power.
1. All segments turn on.
2CH , A. F. D , MOVIE , MUSIC and MULTI CHANNEL
DECODING LED turn on.
DECODING LED turn on.
2. Press the VIDEO 1 button, confirm display.
2CH and MOVIE LED turn on.
3. Press the VIDEO 1 button, confirm display
A. F. D , MUSIC and MULTI CHANNEL DECODING LED
turn on.
turn on.
SW
L
SL
C
R
SSB SR
SLEEP
L F E
DIGITALEX
OPT
COAX MULTI CH IN 12
PROLOGIC II DTS-ES NEO : 6
SPB
SPA
SP
MPEG-2 AAC
STEREO MONO RDS
MEMORY
EQ
D.RANGE
D D
D D
dB
kHz
mft.
MHz
4. Press the VIDEO1 button, All segments and all LEDS turn off.
5. Every pressing of the VIDEO1 button turns on each segment
and LED one after another in the same order.
(Not only the VIDEO1 button, but also the other buttons such
as VIDEO2 , DVD , MD/TAPE , CD and TUNER FM/AM can
be used.)
(Not only the VIDEO1 button, but also the other buttons such
as VIDEO2 , DVD , MD/TAPE , CD and TUNER FM/AM 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 2CH button, press the ?/1 button to turn
on the main power.
The message “SF. CLR.” appears and initialization is performed.
on the main power.
The message “SF. CLR.” appears and initialization is performed.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
* Procedure:
While depressing the FM MODE and the DVD buttons
simultaneously, press the ?/1 button to turn on the main power.
The model name, destination and the software version are
displayed.
simultaneously, press the ?/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 MUSIC and the TUNING
−
buttons
simultaneously, press the power ?/1 button to turn on the main
power.
“REST 25” appears.
Every pressing of any button other than ?/1 counts down the
buttons. The buttons which are already counted once are not
counted again. When all buttons are pressed “REST 00” appears.
power.
“REST 25” appears.
Every pressing of any button other than ?/1 counts down the
buttons. The buttons which are already counted once are not
counted again. When all buttons are pressed “REST 00” appears.
COMMAND MODE SELECTION MODE
* The command mode (AV1 or AV2) of the remote commander can
be selected.
* Procedure:
1. While depressing the ENTER button, press the ?/1 button to
1. While depressing the ENTER button, press the ?/1 button to
turn on the main power.
2. The message “C.MODE.AV 1” or “C.MODE.AV 2” appears
for a moment. Select the desired mode.
SW
C
SSB
SLEEP
L F E
DIGITAL
OPT
MULTI CH IN 2
PROLOGIC DTS
SP
MPEG
AAC
STEREO
RDS
D D
D D
MHz
k
m
L
SL
R
SR
EX
COAX
1
II
-ES NEO : 6
SPB
SPA
-2
MONO
MEMORY
EQ
D.RANGE
dB
Hz
ft.
7
7
STR-K850P
• Waveforms
DIGITAL Board
For schematic diagrams.
Note:
Note:
• All capacitors are in
µ
F unless otherwise noted. p : pF. 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: CD (ANALOG)
c
: DVD (DIGITAL)
• Abbreviation
CND : Canadian model
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
For printed wiring boards.
Note:
Note:
• X
: parts extracted from the component side.
•
a
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
1
IC1101
wa
(XOUT)
4.3Vp-p
1V/DIV, 40ns/DIV
81.4ns
(12.288MHz)
2
IC1201
9
(MCLK1)
3.4Vp-p
73.6ns (13.59MHz)
1V/DIV, 40ns/DIV
3
IC1601
id
(XI)
3.5Vp-p
62.5ns (16MHz)
1V/DIV, 40ns/DIV
SECTION 3
DIAGRAMS
3-1. Circuit Board Location
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
MAIN board
BRIDGEABLE board
DISPLAY board
HEADPHONE board
STANDBY board
VIDEO board
S-VIDEO board
DIGITAL board
VOLUME board
POWER board
8
8
STR-K850P
3-2. Block Diagrams – MAIN Section –
• Signal Path
: FM
: CD(ANALOG INPUT)
: DVD (DIGITAL INPUT)
• R-CH is omitted due to same as L-CH.
AUDIO IN
AUDIO IN
AUDIO IN
PROCESSOR
INL3
80
RECL2
60
INL4
78
INL6
74
RECL1
58
INL7
72
54
L OUT
INL5
76
41
SL OUT
36
C OUT
35
SW OUT
MUTING
Q361
MUTING
Q365
MUTING
Q363
MUTING
Q364
15
CLK
SDA
SCL
14
DATA
SYSTEM CONTROL
IC1601(2/3)
J404
DVD
IN
VIDEO 2
IN
J1101
3
5
6
2
IC1102
DIGITAL AUDIO
I/F RECEIVER
IC1101
SEELCTOR
IC1103
L
DIN2
5
DO
35
DI
36
CLK
38
CE
37
ERROR
34
XSTATE
17
XMODE
48
13
CK OUT
14
BCK
15
LRCK
16
DATAO
IC1102
X1101
12.288MHz
AUDIO DSP
IC1201
KFSI0
22
SDI2
30
HCLK
34
HCS
36
HACN
32
PM
113
BST
56
XRST
2
23
SDO1
24
SDO2
25
SDO3
BCKI2
29
LRCKI2
28
IC1202
SRAM
AUDIO CODEC
IC1501
MCLKI
39
CDT1
43
CCLK
42
CS
41
PD
17
S.MUTE
3
27
L OUT1
BCLK
4
LRCK
5
SDTO
9
SDTI1
6
SDTI2
7
SDTI3
8
25
L OUT2
23
L OUT3
24
R OUT3
LIN+
30
LIN-
29
2
1
IC1502
6
7
IC1502
ANALOG SOUND
SL
BAL L+
14
LIN2
20
23
24
25
SL
C
SW
SLIN2
CIN2
SWIN2
A
98 97 95 96 99 100
94
1
DO
DI
CLK
CE
ERROR
XSTATE
CKSEL1
DATA0
20
HCLK
4
HCS
5
HACN
7
PM
3
BST
6
XRST
10
CDT1
12
SCL
13
CS
8
PD
9
SMUTE
24
ANA/DIG
MUTING
CONT
Q1601,1602
Q301
SWITCH
21
5
6
34
33
F.MUTING
MUTING
SWITCH
SWITCH
Q379
49
MD0
51
MD2
28
FLASH 1
27
FLASH 2
MD0
VDD
MD2
FLASH 1
FLASH 2
RESET
+3.3V
CNS3
B
J403
J402
CD/SACD
MD/TAPE
DVD
VIDEO 2
AUDIO OUT
OPTICAL
IN
IC1104
MD/TAPE
IN
OPTICAL
IN
IC1105
MD/TAPE
OUT
OPTICAL
OUT
IC1107
CD/SACD
IN
OPTICAL
IN
IC1106
DIN1
4
7
1Y
14
A
1C0
6
1C1
5
DOUT
2
DIN0
3
22
21
XIN
XOUT
93
XMODE
CKSEL1
47
GP9
68
HD OUT
35
HD IN
33
2
GP9
18
HD OUT
19
HD IN
9
MCLK1
12
MCLK2
X1201
13.59MHz
14
SCK OUT
20
BCKO
19
LRCKO
18
SDI1
24
AUDIO
GP8
69
EXLOCK
59
INL1
4
FLASH
FOR
PROGRAMMING
TUNER PACK
FM
75
Ω
COAXIAL
AM
R-CH
ST-DI
ST-DO
CLK
CE
STEREO
TUNED
MUTING
FM
AM
R CH
L CH
SYSTEM CONTROL.
IC1601(1/3)
DO
76
J200
J251
J252
V1 OUT
15
V1
13
M.OUT
1
14
SW1
VIDEO SELECT
VIDEO OUT
VIDEO OUT
VIDEO 1
MONITOR
J201
V2
5
DVD
3
DVD
VIDEO 1
VIDEO IN
VIDEO IN
VIDEO IN
S-VIDEO OUT
S-VIDEO IN
S-VIDEO IN
MONITOR
DVD
VIDEO 2
VIDEO 1
S-VIDEO
OUT
S-VIDEO
IN
VIDEO2
IN
VIDEO 2
IC203
10
SW2
4
SW3
6
SW4
2
SW5
SLATCH
78
STEREO
74
TUNED
73
MUTING
75
SW1
90
SW2
89
SW3
88
SW4
SELECT1
87
91
IN
OUT
IN
MULTI
CH
IN
COAXIAL
OPTICAL
DIGITAL
ANTENNA
D204
D203
SURROUND
CENTER
CIN1
7
SWIN1
8
SLIN1
10
J401
SUB WOOFER
FRONT
LIN1
11
-
-
D1101
IC201
D1601
SDA
SCL
EEPROM
IC1604
V2
V1 OUT
V1
5
DVD
3
M.OUT
1
14
SW1
13
15
IC251
S-VIDEO
Y SWITCH
1X
13
0X
12
1Z
3
0Z
5
1Y
1
0Y
2
14
6
9
10
11
XCOM
INH
C
B
A
Y
P
B
/B-Y
P
R
/R-Y
Y
P
B
/B-Y
P
R
/R-Y
4
ZCOM
15
YCOM
11
3
VOUT2
9
VOUT3
13
5
1
VOUT1
VIN2
VIN3
VIN1
IC301
COMPONENT VIDEO
SELECTOR
IC302
VIDEO AMP
10
SW2
4
SW3
6
SW4
2
SW5
D252
D251
V2
V1 OUT
V1
5
DVD
3
M.OUT
1
14
SW1
13
15
IC252
S-VIDEO
C SWITCH
10
SW2
4
SW3
6
SW4
2
SW5
(ANALOG SIGNAL)
J253
J301
(1/2)
(1/2)
Y
P
B
/B-Y
P
R
/R-Y
J301
(2/2)
(2/2)
MONITOR
OUT
DVD
IN
9
9
STR-K850P
– DIGITAL/POWER Section –
• R-CH is omitted due to same as L-CH
IN2
8
12
+V OUT2
POWER AMP
IC701
POWER AMP
IC702
9
NF2
LIMITER
Q701,702
11
-V OUT2
IN2
12
+V OUT2
9
NF2
11
-V OUT2
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q705,706
AF POWER
PROTECT
Q740
LIMITER
Q651,652
BOOSTER
Q653
BOOSTER
Q654
CURRENT
DETECT
Q655,656
IN+
1
6
+V OUT
POWER AMP
IC501
2
IN-
LIMITER
Q501,502
5
-V OUT
BOOSTER
Q503
BOOSTER
Q504
CURRENT
DETECT
Q505,506
D721
PROTECT
SWITCH
Q722,723,725
RELAY
DRIVE
Q790
RY791
RELAY
DRIVE
Q710
RY701
D731
RELAY
DRIVE
Q610
RY601
D733
RELAY
DRIVE
Q550
RY501
D734
IC401
5
7
RELAY
DRIVE
Q560
RY560
L
R
SR
SL
C
R-CH
R-CH
R-CH
PHONES
TM601
TM602
AUDIO
OUT
J405
66
PROTECTOR
67
HEADPHONE RELAY
71
PREOUT/FRONT RELAY
69
REAR RELAY
70
CENTER RELAY
68
17
WOOFER RELAY
SPK B RELAY
RV102
ENCODER
3
1
VOL(B)
59
VOL(A)
60
POWER KEY
56
?/1
S152
77
RSTX
48
STOP
54
SIRCS
55
FUSE DETECT
REMOTE
CONTROL
RECEIVER
1
IC102
D910-913
AC
IN
T902
RY901
D915
F901
D914
RELAY
DRIVE
Q901
D820-823
23
VCC5
84
VCC3
-5V
REG
3
2
+5V
REG
3
1
-7V
REG
3
2
+7V
REG
1
3
AUDIO
+7V
VIDEO
+5V
VIDEO
-5V
IC801
IC802
IC807
IC804
POWER RELAY
65
RELAY
+B
D902-905
82
83
X0
X1
X1601
16MHz
F1
F2
L
SL
SL
C
SW
A
MUTING
1
MUTING
1
POWER
MUTING
Q747,748
22
AC MUTING
J791
FLUORESCENT
INDICATOR TUBE
FL101
61
DIN
62
CLK
63
FL_STB
7
DIN
8
CLK
9
STB
14 29
SEG1-16
42 31
GRID1-12
F1
F2
1
SW1
2
SW2
3
SW3
4
SW4
FL DRIVE
IC100
D102-105
FUNCTION
KEY
A/D0
38
S110-116
S100-104
FUNCTION
KEY
A/D1
39
FUNCTION
KEY
A/D2
40
S120-125
FUNCTION
KEY
A/D3
41
S130-135
B
RESET
SYSTEM CONTROL
IC1601(3/3)
• Signal Path
: FM
AF POWER
PROTECT
Q640
AF POWER
PROTECT
Q540
IC601
2
1
FRONT A
RELAY
DRIVE
Q851
RY851
L
R
R-CH
TM603
FRONT B
SURROUND
CENTER
IC601
5
7
25
HP DETECT
BUFFER
IC101
35
AVCC
+3.3V
REG
3
1
IC1904
AUDIO
-7V
+10V
REG
3
1
TUNER
+10V
IC1902
T901
+3.3V REG
Q471
Q921
AC DET
1
2
IC1602
+3.3V
D802
+B
-B
-B
SWITCH
Q691,692
-30V REG
Q801
FL101
-30V
POWER AMP
-B
+5V
REG
3
1
IC1903
+5V
+2.5V
REG
5
+2.5V
+3.3V
REG
2
4
IC1901
+3.3V
+5V
REG
3
1
IC1503
AUDIO
+5V
SPEAKERS
SUB
WOOFER
MASTER
VOLUME
VOLUME
8
RESET
+3.3V(STBY)
g
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