Sony HT-SS380 / STR-KS380 Service Manual ▷ View online
STR-KS380
5
2-3. FRONT PANEL BLOCK
2-4. MAIN BOARD
5 front panel block
4 two claws
3 claw
2 two claws
3 claw
1 wire (flat type) (13 core)
(CN1005)
(CN1005)
7 heatsink (AMP)
8 MAIN board
1 wire (flat type) (21 core)
(CN1002)
(CN1002)
3 CN906 (12P)
4 two screws
+BV3 (3-CR)
4 one screw
+BV3 (3-CR)
6 two screws
+BVTP 3 x 14
5 seven screws
+BV3 (3-CR)
2 CN904 (4P)
STR-KS380
6
SECTION 3
TEST MODE
HOW TO ENTER THE SERVICE MODE
Note: The operation of the button of the following test mode is only a
remote commander.
Procedure:
1. Press [
1. Press [
?/1
] button to turn the power on.
2. Press the button in order of [TUNER]
[RETURN] [EN-
TER]
hold [SHIFT] button ([0] [1] [0]) [SOUND
FIELD +]
3. The message “SERVICE” appears.
4. Press [ENTER]
4. Press [ENTER]
hold [SHIFT] button ([X]*[X]*)
[ENTER], selected test mode will activated. *[X] refer to
test code.
test code.
5. Press [AMP MENU]
[DISPLAY] to return to “SERVICE”
menu. Repeat step 4 to re-enter test mode.
6. Repeat step 2 to turn off service menu.
1. VERSION
Procedure:
1. While still in the Service Mode, press [AMP MENU]
Procedure:
1. While still in the Service Mode, press [AMP MENU]
[DIS-
PLAY] to return to “SERVICE” menu.
2. Press [ENTER]
hold [SHIFT] button ([0] [3]) [EN-
TER].
3. The message of model name, destination, and software version
are displayed.
4. Each time press [DISPLAY] button, the message “H.VER
x.xx” and “SVER x.xx” appear one after another and return to
model name, destination, and software version.
model name, destination, and software version.
2. SHIPMENT
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While still in the Service Mode, press [AMP MENU]
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While still in the Service Mode, press [AMP MENU]
[DIS-
PLAY] to return to “SERVICE” menu.
2. Press [ENTER]
hold [SHIFT] button ([1] [2]) [EN-
TER]
3. The message “CLEARED” appears, the set turns off.
3. FL CHECK
1. While still in the Service Mode, press [AMP MENU]
1. While still in the Service Mode, press [AMP MENU]
[DIS-
PLAY] to return to “SERVICE” menu.
2. Press [ENTER]
hold [SHIFT] button (EN-
TER
3. ALL segments light on.
NIGHT SLEEP HDMI
COAX
OPT
TUNED
ST
S-AIR
ECO
MUTING
AACLPCM
;
TrueHD
;
D + EX
;
PL II x
DTS 96/24
-ES NEO:6
DTS -HDLBR
MSTR HI RES
4. Press the [DISPLAY] control, confi rm display.
AACLPCM
;
D EX
II
DTS
NEO:6
DTS -HD
MSTR
SLEEP
COAX
TUNED
S-AIR
MUTING
5. Press the [DISPLAY] control, confi rm display.
;
TrueHD
+
;
PL x
96/24
-ES
LBR
HI RES
NIGHT
HDMI
OPT
ST
ECO
6. Press the [DISPLAY] control, all segments light off.
4. HISTORY MODE
1. While still in the Service Mode, press [AMP MENU]
1. While still in the Service Mode, press [AMP MENU]
[DIS-
PLAY] to return to “SERVICE” menu.
2. Press [ENTER]
hold [SHIFT] button ([1] [3]) [EN-
TER].
3. The message “HISTORY” appears.
4. Each time the [
4. Each time the [
]/[] button on the remote commander is
pressed, the item is switched in order as follows.
Item
Protector Count
C O U N
T
X
X
Total Single Power On Time
S
X
X
X
X
X H X
X M
Sound Field
S O U N D
F
I
E
L
D
Input Function
F
U N C
T
I
O N
Input Mode
I
N P U
T
M O D E
Digital Select
D
I
G
S
E
L
E C
T
Stream Information
S
T R E
A M
I
N
F O
Signal Confi guration
C O N
F
X
X
X
X
X
Headphone
H E
A D P H
X
X
X
Volume
V O
L
X
X
Bass
B
A S
S
X
X
X D B
Treble
T R E
B
X
X
X D B
Level FL/FR
F
L
/
R X
X
X
X
X
X
Level SL/SR
S
L
/
R X
X
X
X
X
X
Level CT/SW
C
/
S W X
X
X
X
X
X
Level BL/BR
B
L
/
R X
X
X
X
X
X
Total Power ON time
T
X
X
X
X
X H X
X M
Muting M U
T
I
N G
X
X
X
Power ON counter
(Rebox Test Mode)
(Rebox Test Mode)
R E
B O X
X
X
X
X
Protector type
P R O T
X
X
X
X
Temperature record
T
E M P
X
X
X C
Vacs Step
V
A C S
X
X
5. KEY CHECK
Procedure:
1. While still in the Service Mode, press [AMP MENU]
Procedure:
1. While still in the Service Mode, press [AMP MENU]
[DIS-
PLAY] to return to “SERVICE” menu.
2. Press [ENTER]
hold [SHIFT] button (EN-
TER].
3. The message “REST 03” appears. “REST 03” value decrease
whenever a button on the set is pressed. However, once a but-
ton has been pressed, it is no longer taken into account. All
buttons on the set is pressed, “REST 00” is displayed.
ton has been pressed, it is no longer taken into account. All
buttons on the set is pressed, “REST 00” is displayed.
6. SP OUT (MIC Test)
Procedure:
1. While still in the Service Mode, press [AMP MENU]
Procedure:
1. While still in the Service Mode, press [AMP MENU]
[DIS-
PLAY] to return to “SERVICE” menu.
2. Press [ENTER]
hold [SHIFT] button ([1] [8]) [EN-
TER].
3. The message “MIC” appears.
4. Repeat step 1 and 2 to toggle between “MIC” and “SOURCE”.
4. Repeat step 1 and 2 to toggle between “MIC” and “SOURCE”.
SOURCE : normal mode
MIC IN : mode that output audio from mic input.
INITIALIZE
1. Turn off the receiver.
2. Hold the [
1. Turn off the receiver.
2. Hold the [
?/1
] for 5 seconds.
3. The message “CLEARING” appears on the display.
4. After a few seconds, “CLEARED” appears.
4. After a few seconds, “CLEARED” appears.
STR-KS380
7
SECTION 4
ELECTRICAL CHECK
FM AUTO STOP CHECK
signal
generator
set
Procedure:
1. Turn on the set.
2. Input the following signal from signal generator to FM antenna
1. Turn on the set.
2. Input the following signal from signal generator to FM antenna
input directly.
Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
Deviation
: 75 kHz
Modulation
: 1 kHz
ANT input
: 35 dBu (EMF)
Note: Use 75 ohm coaxial cable to connect signal generator and the set.
You cannot use video cable for checking.
Use signal generator whose output impedance is 75 ohm.
3. Set to FM tuner function and scan the input FM signal with
automatic scanning.
4. Confi rm that input frequency of A, B and C are detected and
automatic scanning stops.
When the station signal is received in good condition, automatic
scanning stops.
scanning stops.
STR-KS380
8
SECTION 5
DIAGRAMS
• Waveforms
– MAIN Board –
4
IC2004 4 (Y)
100mV/DIV, 10 ns/DIV
20.2 ns
343.3 m
5
IC2000 qf (XFSOOUT)
1 V/DIV, 10 ns/DIV
20.2 ns
2.4 Vp-p
6
IC2001 qf (XFSOOUT)
1 V/DIV, 10 ns/DIV
20.2 ns
2.4 Vp-p
8
IC3500 4 (XTALOUT)
1 V/DIV, 50 ns/DIV
9
IC3000 qa (XOUT)
2 V/DIV, 50 ns/DIV
100 ns
3.5 Vp-p
qa
Q701 (Collector)
5 V/DIV, 2
Ps/DIV
6.0
Ps
15.8 Vp-p
0
Q701 (Base)
1 V/DIV, 2
Ps/DIV
6.1
Ps
3 Vp-p
100 ns
3.2 Vp-p
7
IC1709 qk (X1)
50mV/DIV, 20ns
30.6
Ps
146.7 mVp-p
1
IC1009 wg (XTAL)
500mV/DIV, 20ns/DIV
40 ns
1.0 Vp-p
2
IC1008 os (X1(X-OUT)
2 V/DIV, 200ns/DIV
260 ns
3.4 Vp-p
3
IC1705 r; (XTO)
200mV/DIV, 20ns/DIV
40.6 ns
300.3 mv
– HDMI PC Board –
– DISPLAY Board –
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