STR-DN840
STR-DN840
50
50
5-35. PRINTED WIRING BOARD – HEADPHONE Board –
• See page 18 for Circuit Boards Location. •
: Uses unleaded solder.
5-33. PRINTED WIRING BOARD – POWER KEY Board –
• See page 18 for Circuit Boards Location. •
: Uses unleaded solder.
5-36. SCHEMATIC DIAGRAM – HEADPHONE Board –
5-34. SCHEMATIC DIAGRAM – POWER KEY Board –
1
A
B
C
2
3
4
5
6
7
POWER KEY BOARD
1
8
3
4
5
6
7
O
G
LED_ON
CN103
8P
AD1
LED_STBY
POWER_BUTTON
DGND
NC
+3.3V_STBY
LED_ON
2.2k
R171
10k
R170
22k
R177
4.7k
R172
CL166
CL165
CL164
CL162
CL161
CL160
CL163
Q111
2PD601ART
100
R175
47
R176
100k
R178
10k
R173
100k
R179
Q110
LED DRIVER
LED DRIVER
2PD601ART
D110
SML78423C-TP15
2.2k
R174
S114
SPEAKERS
LED (ON/STBY)
S112
TUNING –
S111
S115
"/1
S113
TUNING
MODE
L
DISPLAY
BOARD
CN100
(Page 43)
1
A
B
2
3
4
5
HEADPHONE BOARD
1
3
4
5
CL185
CL186
CL187
CL188
CN107
5P
HP_DETECT
HP_R
HP_GND
HP_L
C160
1000p
C162
1000p
C161
1000p
J101
PHONES
I
MAIN
BOARD
(2/4)
CN391
(Page 39)
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
1
8
3
CN103
S111
S112
S113
S114
S115
GO
D1
10
R170
CL161
R174
CL160
CL163
R171
R173
R177
R172
CL165
CL164
R175
CL166
R178
CL162
R179
R176
Q110 E
Q111
E
SPEAKERS
TUNING MODE
TUNING –
&/1
M
DISPLAY
BOARD
CN100
(Page 42)
POWER KEY BOARD
1-887-712-
21
(21)
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
J101
1
5
3
CN107
CL188
C160
CL186
CL185
C161
CL187
C162
PHONES
HEADPHONE BOARD
K
MAIN BOARD
CN391
(Page 36)
1-887-714-
21
(21)
Summary of Contents for STR-DN840
Page 99: ...MEMO STR DN840 99 ...