Read Sony STR-DH800 (serv.man2) Service Manual online
STR-DH800
STR-DH800
12
12
2-10. SCHEMATIC DIAGRAM - MAIN Board (3/3) -
BOARD
13
MAIN
(1/3)
BOARD
14
MAIN
(2/3)
MAIN
BOARD
(1/3)
12
MAIN
BOARD
(2/3)
15
N
T901
MAIN POWER
TRANSFORMER
CN2008
F
(3/4)
DIGITAL
BOARD
P
MAIN POWER
T901
TRANSFORMER
0.8
0.8
0.8
0.8
0.2
0.2
0.2
0.3
0
14.8
0.8
0.2
RY406
2SC3052EF-T1-LEF
Q406
1
2
3
4
5
5P
CN554
R1 (UPPER TAP)
R1 (LOWER TAP)
R1 GND
R1 (LOWER TAP)
R1 (UPPER TAP)
2.2k
R451
2SC3052EF-T1-LEF
Q451
RY451
RY424
2SC3052EF-T1-LEF
Q424
R433
2.2k
2SC3052EF-T1-LEF
Q423
RY423
2SC3052EF-T1-LEF
Q422
RY422
1k
R425
1k
R429
MA2J1110GLS0
D423
MA2J1110GLS0
D424
MA2J1110GLS0
D406
MA2J1110GLS0
D422
MA2J1110GLS0
D451
RY425
MA2J1110GLS0
D425
2SC3052EF-T1-LEF
Q425
R437
2.2k
10
R502
0.01
C502
10
R503
0.01
C503
R438
33
R434
33
33
R430
33
R426
47
R453
R406
33
D5SBA20-4003
D407
C409
0.01F
71V
C408
0.01F
71V
2W
680
R456
2W
R455
680
R440
47k
47k
R428
47k
R432
R436
47k
47k
R454
R408
47k
R409
2.2k
0.1
C402
CL401
25V
2200
C403
25V
1000
C404
1
2
3
3P
CN553
R2 AC
R2 CENTER TAP
R2 AC
0.1
C401
1
2
4
5
NO552
5P
HP DETECT
NC
3
R-CH
GND
L-CH
0.01
C504
0.01
C505
0.01
C506
0.01
C507
0.01
C508
10
R504
10
R505
10
R506
10
R507
10
R508
1000p
C698
1000p
C699
1000p
C700
1
8
3
4
5
6
7
NO551
8P
HP_DET
BRIDGEABLE RY
HP_RY
2
NC
C/SURR RY
SW_SPK_PREOUT
FRONT_A RY
SBL/SBR/BIAMP_RY
250V
2A
F401
250V
2A
F402
F403
F404
100V
C406
0.22
100V
C407
0.22
FH002
FH001
FH003
FH004
B02
B03
+15V
GND
A26
GND
C01
C02
C03
C04
C05
C06
C07
C08
GND
A27
1SR154-400TE-25
D402
1SR154-400TE-25
D401
1SR154-400TE-25
D404
1SR154-400TE-25
D403
1000p
C697
-2
-1
-1
-2
-2
-1
-2
-1
SURROUND BACK/
R
L
BI-AMP/FRONT B
(CHASSIS)
+
-
TB502
TB503
+
-
+
-
(CHASSIS)
CENTER
+
-
+
-
+
-
+
-
R
L
SURROUND
R
FRONT A
L
(CHASSIS)
RELAY DRIVE
RELAY DRIVE
RELAY DRIVE
RELAY DRIVE
RELAY DRIVE
(CHASSIS)
RELAY DRIVE
T6.3AL 250V
T6.3AL 250V
(AEP, RU, UK, AUS, TW, TH)
TB500
SPEAKERS
-1
-2
MAIN BOARD (3/3)
4
B
6
9
11
D
H
10
3
5
12
C
F
1
E
8
G
A
2
I
7
~
~
HP
M
BOARD
CNP300
Refer to page
39 on original
39 on original
service manual
(Page 10)
(Page 10)
(Page 11)
(Page 11)
(Page 14)
(Page 7)
(Page 14)
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