Sony STR-DH720 - 5-32. PRINTED WIRING BOARD - HEADPHONE Board; 5-33. SCHEMATIC DIAGRAM - HEADPHONE Board; 5-34. PRINTED WIRING BOARD - TEMP-SENSOR Board; 5-35. SCHEMATIC DIAGRAM - TEMP-SENSOR Board

STR-DH720/DH720HP
STR-DH720/DH720HP
4545
5-32. PRINTED WIRING BOARD – HEADPHONE Board –
• See page 19 for Circuit Boards Location.
•
: Uses unleaded solder.
5-33. SCHEMATIC DIAGRAM – HEADPHONE Board –
5-34. PRINTED WIRING BOARD – TEMP-SENSOR Board –
• See page 19 for Circuit Boards Location.
•
: Uses unleaded solder.
5-35. SCHEMATIC DIAGRAM – TEMP-SENSOR Board –
1
A
B
C
D
2 3 4 5 6
J790
153
CN790
C792
C793
CL790
CL792
CL791
CL793
PHONES
J
MAIN
BOARD
CN391
(Page 26)
HEADPHONE
BOARD
1-883-406-
11
(11)
1
A
B
C
2 3 4 56
HEADPHONE BOARD
CL790
CL791
CL792
CL793
1
3
4
5
CN790
5P
HP_DETECT
R-ch
GND
L-ch
470p
C793
470p
C792
SIGN4
SIGN2
J790
PHONES
H
MAIN
BOARD
(2/4)
CN391
(Page 28)
1
A
B
C
D
E
2 3 4 56
TEMP-SENSOR BOARD
JL250
JL251
JL252
JL253
1
3
4
5
CN250
5P
+3.3V_DIGITAL
DGND
TEMP1
TEMP2
TH252
TH251
2.2k
R252
2.2k
R251
C250
0.1
E
DIGITAL
BOARD
(4/4)
CN2501
(Page 25)
1
A
B
C
D
E
F
2 3 4 56
JR
153
CN250
B250
R251
TH251
R252
TH252
C250
JL253
JL252
JL250
JL251
JR250
TEMP-
SENSOR
BOARD
1-883-402-
24
(24)
D
DIGITAL BOARD
CN2501
(Page 20)
Ver. 1.2