Hitachi CP-X2520 Service Manual page 69

6
5
4
VOL_VCC
SHEET_11
I351
PQ200WNA1ZPH
1 2 3 4 5
R335
4.7k
POWER_SAVE
SHEET_1
GND1
+17V
3
GND1
PWM_F2
POWER1
R305
Q310
10k
MUTE
2SC4617EBTL
E302 SHEET_11
501568-05H
Air SENSOR
1 L315 2125
in DUCT
600
L316
2 1608
600
BACK
L317
3 1608
FRONT
600
L319 1608
4
600
5 L320 2125
600
G1 JUMPER R
G2
GND1
2
1
A B
CP-X2520 ( M2-25ED ) / CP-X3020 ( M2-30ED )
GSENSOR
SHEET_1
*R399
100
+3.3V
*I314
ADXL335
NC-1 XOUT
NC-11
ST
YOUT
NC-3
NC-4 NC-9
GND1
7.5V 9.7V
+3.3V
Q308
I352 NJM12904E
2SA1774EBTL
Aout
V+
1 8
R343 R344
10k-1% 68k-1%
A-in B_out
PWM_F1 2 7
B-in
A+in
3 6
B+in
GND
4 5
Q309
RT1N141U
GND1
GND1
BACK
FRONT
F-TEMP1 B-TEMP1
F-TEMP2 B-TEMP2
GND1
GND1 GND1
C
TEMP
LAMP
*R397
100
POW
*R398 *R3A1
68k-1% 68k-1%
PWM_G S301 S302
SKRPABE010 SKRPABE010
1 2
3 4
RIGHT
S304 S305
SKRPABE010 SKRPABE010
1 2
3 4
ADC-ADJ
GND1
GND1
D E
R362
R 1.0k
LED-TEMP
D302
SML-D12U
R363
R
1.0k
LED-LAMP
D303
SML-D12U
R360
GREEN 1.0k
STBY+3.3V
1 G 2
SHEET_3,4,12
3 R 4
R361
RED
330
D301
SML-022ML8T
R320
330
R301
100
UP
INPUT
S303
SKRPABE010
1 2 1 2
3 4 3 4
DOWN LEFT BLANK
S307
S306
SKRPABE010
SKRPABE010
1 2 1 2 1 2
3 4 3 4 3 4
PWB assembly MAIN 3
F
6
5
+3.3V
4
LED-P-G SHEET_1
SHEET_1
LED-P-R
KEYI-POW
KEYI-INP
KEYI-UP
KEYI-BLK
KEYI-LFT
KEYI-DWN
KEYI-RGT
3
2
1
G