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HCD-GNX60/GNX70/GX9900
HCD-GNX60/GNX70/GX9900
7-6. BLOCK DIAGRAM – DISPLAY SECTION –
FL901
FLUORESCENT
INDICATOR TUBE
64 – 66
G14-16
G1-13,G17-24
ROTARY
ENCODER
S970
VOLUME
ROTARY
ENCODER
S916
.
-
>
BPM LOW
FAN CTL
P1 – 36
VF1
VF2
D905
-VG
(-32V)
X901
4MHz
72,78,79
LED DRIVE
Q908-913,915,
916,918-920
D907,
D914,915,916,918,
D919,921,923,926
D906, 908 – 913
D 917,
D925,920,922,924
LED+9V
Q905
Q907
Q904
Q906
D902
(R)
D927
(G)
S1149-1160
S910,911,918,920,924
S901 – 904, 912,915,917
IIC-DATA
IIC-CLK
S925
S900
DISPLAY
RESET
X402
16MHz
X401
32.768kHz
SYSTEM CONTROL
IC401 (5/5)
B+ SWITCH
Q560, 561
B+ SWITCH
Q504, 505
OVER VOLTAGE
DETECT
Q550
RECT
D560
M +9V
MT +7V
A +9V
TC +9V
D561 – 563
D660, 661
+3.3V
LED+9V
BIAS+3.3V
D505
SWITCHING
REGULATOR
LED DRIVE
Q900,903,917
RECT
D658
RECT
D656
+VL
VL(AC)
F1261
VL
VL
VH
VH
VP
VF
VF
AC3
AC4
NC
NC
AC4
AC3
GND
F1271
F1241
F1251
F1281
R1292
–VL
+VH
–VH
– 35V
REGULATOR
Q1264
POWER ON/OFF
RELAY DRIVE
Q1200
– VG
(-32V)
D1292
RECT
VF1
VF2
RY1200
CN1202
AC IN
T1200
POWER
TRANSFORMER
RESET
SWITCH
Q501
TO FLUORESCENT
INDICATOR TUBE
FL901
EVER +4V
M+9V
D3.3V
E2, E3, E51
US, AUS
AR
E2, E3, E51
BUFFER
Q901,902,914
ROTARY
ENCODER
S1161
OPERATION
DIAL
S1200
S1200
230 – 240V
|
220V
|
120V
VOLTAGE
SELECTOR