STR-DG910
50
50
STR-DG910
5-34. PRINTED WIRING BOARDS — DCAC, POWER KEY SECTION —
• Refer to page 16 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
DISPLAY
BOARD
CN109
SPEAKERS
(OFF/A/B/A+B)
l /
–
– TONE +
TUNING MODE
TONE MODE
DISPLAY
BOARD
CN105
B1
A1
1-872-680-
(11)
11
1-872-432-
(13)
13
1
7
C2500
C2501
C2502
C2503
C2504
Q2500
C2505
C2506
CL701
CL702
C2513
C2514
C2515
C2516
C2517
C2518
C2519
C2520
C2521
C2522
C2523
C2524
D2500
C2525
C2526
C2528
R2501
C2529
R2503
R2504
R2506
R2507
C2530
R2508
IC2501
IC2502
R2513
R2514
R2518
R2519
CN711
W2500
BLK
FB2500
JL742
JL743
JL744
JL745
JL746
JL747
JW2500
JW2501
JW2502
JW2503
JW2504
JW2505
71
31
2
31
2
JW180
TP100
RV103
RV104
R111
R112
R113
CN102
S100
S113
S114
S115
(CHASSIS)
B
1
3
1
2
7
14
8
E
J2500
AUTO CAL MIC
DCAC BOARD
POWER KEY BOARD
GRY
GRY
GRY
GRY
GRY
RED
(Page 51)
(Page 51)
5-35. SCHEMATIC DIAGRAM — DCAC, POWER KEY SECTION —
• Refer to page 63 for IC Block Diagrams.
DISPLAY
BOARD
CN109
A1
DISPLAY
BOARD
CN105
B1
IC B/D
2.5
0.3
0.9
0
0
0
0
0.3
0.3
3.3
3.2
3.2
0
0
3.3
5
3.3
2.2k
R2504
2.2k
R2506
100p
C2504
FB2500
2.2k
R2501
JL743
10k
R2513
1SS355TE-17
D2500
JL745
2200p
C2530
JL742
2200p
C2506
220k
R2503
1k
R2519
1k
R2508
68k
R2507
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NJM2173AV(TE2)
IC2501
OUT1
DCC1
IN1
V+1
REG
N
GND
V+
STBY
GV
V+2
IN2
DCC2
OUT2
0.1
C2500
2SC2712-GL-TE85L
Q2500
BUFFER
10k
R2518
2200p
C2522
10k
R2514
JL746
JL744
0.1
C2501
0.1
C2525
0.1
C2513
16V
47
C2523
50V
10
C2515
50V
10
C2526
50V
10
C2521
50V
10
C2520
50V
10
C2505
50V
10
C2503
50V
10
C2502
J2500
VCC
GND
OUT
BA33BC0FP-E2
IC2502
0.1
C2528
1
3
4
5
6
7
CN711
6P
MIC_IN_L
GND
MIC_IN_R
MIC_ON/OFF
5V
GND
JW2500
25V
47
C2514
25V
47
C2529
50V
1
C2519
25V
47
C2524
50V
10
C2516
16V
47
C2518
2200p
C2517
R112
1k
RV104
S113
1
2
3
4
5
6
7
7P
CN102
AD1
PW_SW
GND
TUNING-JOG-A
TUNING-JOG-B
TONE-JOG-A
TONE-JOG-B
680
R111
S114
R113
1.5k
RV103
S100
S115
1
W2500
DCAC BOARD
+3.3V REG
IC2502
MIC AMP
IC2501
POWER KEY BOARD
LEAD TO CHASSIS
AUTO CAL MIC
TONE MODE
TUNING MODE
SPEAKERS(OFF/A/B/A+B)
- TONE +
-
/
1
2
3
2
E
B
1
F
6
7
A
3
G
D
4
5
C
2
3
1
2
3
1
(Page 52)
(Page 52)
Содержание STR-DG910
Страница 105: ...105 STR DG910 MEMO ...