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HCD-HPR90/HPR99XM
Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section –
FLUORESCENT INDICATOR
TUBE DRIVER
SYSTEM CONTROLLER
IC901
DIN
7
1
FL SD
SEG1 – SEG16
CLK
8
2
FL SCK
FL901
STB
9
3
FL STB
FLUORESCENT
INDICATOR
TUBE
GR1 – GR12
D952
1 LED1
DSGX
REMOTE CONTROL
RECEIVER
4 SIRCS
IC951
HP
T E
L
1 3 9 4 2 2 9 6 5 1 3
B
(Page
16)
S951 – 957,
S961 – 966,
KEY1 – KEY3
S971 – 975
74 WAKE UP KEY
RV951
ROTARY
PUSH ENTER
95 JOG
ENCODER
(JOG)
RV952
ROTARY
94 VOLUME
VOLUME
ENCODER
D951
LED DRIVE
88 STANDBY LED
Q951
STANDBY
15
(Page
15)
X1302
5MHz
STANDBY LED
D
w w w
HCD-HPR90/HPR99XM
(HPR99XM)
XM +5.2V
IC1301 (4/4)
+12V
AC DET
84
+3.3V
+3.3V REGULATOR
(ADC )
IC702
+5V
+9V
(HP AMP)
+9V
FLUORESCENT
F1
INDICATOR TUBE
F2
(FL901)
RECT
VEE
D912, 922
+7V
MOTOR
REGULATOR
B+
Q1607 – 1609
PROTECT
CDM SD
38
DETECT
Q1606
+4V
+1.8V
+1.8V
REGULATOR
(CD)
IC203
+3.3V
(CD)
+1.8V
+1.8V REGULATOR
(AMP)
IC704
+3.3V
(AMP)
D1203 (1/2)
+3.3V
(FL)
POWER ON/OFF
57
D1203 (2/2)
CDM
+3.3V
EVER
+3.3V
RESET SWITCH
RESET
12
Q1301
RESET SIGNAL
AC CUT
20
GENERATOR
IC1302
13
10
11
+3.3V
B+ SWITCH
(LED)
Q952
X1301
32.768kHz
x
a o
y
.
i
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+5V
REGULATOR
IC1206
+12V
REGULATOR
IC1201
+5V
REGULATOR
IC1204
RIPPLE
FILTER
Q1510
+9V
REGULATOR
IC1202
T921
INVERTER
TRANSFORMER
D1211
OSC
Q921, 922
+7V
RECT
REGULATOR
D31
IC1205
D1212
Q
Q
3
7
6
D1208 – 1210,1213
+4V
RECT
+28V
REGULATOR
D32
IC1203
D652
D33
D1206
D1204
DC DETECT
Q651, 652
POWER ON/OFF
RELAY DRIVE
Q650
D1202
D1201
u 1 6 3
.
18
18
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2
4
8
9
9
VD
18
SWITCHING
16 VG (H)
Q12
15 VS
SWITCHING
12 VG (L)
Q11
3
1
5
1
5
0
8
9
2
9 OCP
D14
8 VC1
T31
MAIN POWER
TRANSFORMER
ISOLATOR
2 F/B
PH11
1 VENSE
POWER CONTROL
IC11
Q601
ISOLATOR
PH602
POWER CONTROL
IC601
D603
5 DRAIN
4
VCC
T603
SUB POWER
TRANSFORMER
SHUNT
ISOLATOR
REGULATOR
2 FB
PH601
IC650
m
c o
2
8
9
9
4
9
8
2
9
9
(AC IN)
F1
RECT
LINE FILTER
D1
T1
+
+
S1
VOLTAGE
SELECTOR
120 – 127V
220 – 240V
(HPR90: E, E51)
Abbrivation
E51
: Chilean and Peruvian models
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