Sony STR-DH100 Service Manual ▷ View online
STR-DH100
9
2-4. MAIN BOARD SECTION
two screws
(+BVTP
(+BVTP
3
× 8)
two screws
(+BVTP
(+BVTP
3
× 8)
CNP910 (2P)
CNP902 (2P)
MAIN board section
CNP920 (3P)
CNP930 (5P)
STR-DH100
10
SECTION 3
TEST MODE
AM CHANNEL STEP 9 kHz/10 kHz SELECTION MODE
(US, Canadian model only)
* Either the 9 kHz step or 10 kHz step can be selected for the AM
(US, Canadian model only)
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
1. While depressing the [TUNING MODE] button, press the
1. While depressing the [TUNING MODE] button, press the
[
?/1
] button to turn on the main power.
2. Either the message “9k STEP” or “10k STEP” appears for a
moment and select the desired step.
VACUUM FLUORESCENT DISPLAY TEST MODE
* All fl uorescent segments are tested.
* All fl uorescent segments are tested.
When this test is activated, all segments light on at the same time,
then each segment lights on one after another.
then each segment lights on one after another.
* Procedure:
While depressing the [SPEAKER(OFF/A/B/A+B)] and the [DIS-
PLAY] buttons simultaneously, press the [
PLAY] buttons simultaneously, press the [
?/1
] button to turn on
the main power.
1. ALL segments light on.
2. Turn the [INPUT SELECTOR] control, confi rm display.
3. Turn the [INPUT SELECTOR] control, confi rm display.
4. Turn the [INPUT SELECTOR] control, all segments light off.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
1. While depressing the [SPEAKERS (OFF/A/B/A+B)] and the
* The software version is displayed.
* Procedure:
1. While depressing the [SPEAKERS (OFF/A/B/A+B)] and the
[MUTING] buttons simultaneously, press the [
?/1
] button to
turn on the main power.
2. The model name, destination and the software version are dis
played for a moment.
KEY CHECK MODE
* Button check
* Procedure:
1. While depressing the [SPEAKERS (OFF/A/B/A+B)] and the
* Button check
* Procedure:
1. While depressing the [SPEAKERS (OFF/A/B/A+B)] and the
[DIMMER] buttons simultaneously, press the [
?/1
] button to
turn on the main power.
2. Either the message “REST 13” appears.
3. Every pressing of any button other than the [
3. Every pressing of any button other than the [
?/1
] counts down
the buttons. The buttons which are already counted once are
not counted again. When all buttons are pressed “REST 00”
appears.
SHIPMENT MODE
All preset contents are reset to the default setting.
* Procedure:
1. While depressing the [TUNING MODE] and the [MUTING]
All preset contents are reset to the default setting.
* Procedure:
1. While depressing the [TUNING MODE] and the [MUTING]
buttons simultaneously, press the power [
?/1
] button to turn
on the main power.
2. “CLEARED” appears and switch off the set.
RE-BOX CLASSIFICATION TEST MODE
* Procedure:
1. While pressing the [FM MODE] and the [DISPLAY] buttons
* Procedure:
1. While pressing the [FM MODE] and the [DISPLAY] buttons
simultaneously, press the power [
?/1
] button to turn on the
main power.
2. “R.Bxx”
appears.
3. xx indicates number of times set powered on.
4. Press any button or power off the set to release test mode.
4. Press any button or power off the set to release test mode.
HISTORY MODE
The state that the set is used is memorized.
* Procedure:
1. While pressing the [TREBLE +] and [SPEAKERS (OFF/A/
The state that the set is used is memorized.
* Procedure:
1. While pressing the [TREBLE +] and [SPEAKERS (OFF/A/
B/A+B)] buttons, press the power [
?/1
] button to turn on the
power and “HISTORY” is displayed.
2. Each time the [↑]/[↓] buttons on the remote commander is
pressed, the item is swithed in order as follows.
Item
Display
History
HISTORY
Count has many time
protector happen
COUNT xx
Total single power on time
SxxxHxxM
Input function
FUNCTION
Volume
VOLxxxxx
Bass
BASS xxx
Treble
TREB xxx
Level information
Fx xxx
Total power on time
TxxxHxxM
Muting
MUTE xxx
Power on counter
(Rebox test mode)
RB xxxxx
Return to history
HISTORY
HP ON/OFF
HP xxx
PROTECTOR AUTO OF
* Procedure:
1. While pressing the [TREBLE -] and [SPEAKERS (OFF/A/B/
* Procedure:
1. While pressing the [TREBLE -] and [SPEAKERS (OFF/A/B/
A+B)] buttons, press the power [
?/1
] button to turn on the
main
power.
2. “PROTEVER” appears and switch off the set.
L
SW
C
R
SL
S
SR
SBL SB SBR
LFE
SP A
NEO:6
COAX
HDMI
S-AIR
DTS -ES
x
II
PL
RDS
CAT
96/24
MONO
ZONE 2
SLEEP
SLEEP
DEX
STD
D.RANGE
SAT
D D
D
OPT
dB
Hz
k
ft.
m
MHz
MEMORY
SP B
L
R
S
LFE
NEO:6
S-AIR
II
D
D.RANGE
SLEPP
k
m
MHz
SP B
D D
D D
SW
C
SL
SR
SBL SB SBR
DTS
CAT
RDS
ZONE2
PL X
ST
EX
OPT
dB
Hz
ft.
STR-DH100
11
SECTION 4
FM TUNER CHECK
FM AUTO STOP CHECK
Procedure:
1. Turn on the set.
2. Input the following signal from Signal Generator to FM
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:
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG 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.
The stop of automatic scanning means “The station signal is re-
ceived in good condition.”
ceived in good condition.”
generator
OUT (75
Ω)
set
STR-DH100
12
SECTION 5
DIAGRAMS
• Circuit Boards Location
MAIN board
HEADPHONE board
POWER KEY board
DISPLAY board
DMPORT board
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