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HCD-RH1000/RH7000
26
26
HCD-RH1000/RH7000
7-8. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section –
(AC IN)
SWITCHING
REGULATOR
UNSW6VB
P_CONT
PS101
SWITCHING
REGULATOR
IC111, Q104
UNSW6VA
+5V
REGULATOR
IC101
UNSW4V
UNSW–8V
UNSW12V
+3.3V
REGULATOR
IC105
+3.3V
REGULATOR
IC107
B– SWITCH
Q106, 109
CURRENT
SWITCH
Q301
CURRENT
SWITCH
Q302, 303
+1.2V
REGULATOR
IC1102
+3.3V
REGULATOR
IC801
+1.8V
REGULATOR
IC106
RESET
IC602
D109
D603
+1.5V
REGULATOR
IC108
+1.8V
REGULATOR
IC1201
-6V
REGULATOR
Q602
+5V
REGULATOR
IC302
+3.3V
REGULATOR
IC2004
+5V
REGULATOR
IC102
+5V
REGULATOR
IC101
TUNER POWER
SWITCH
Q402, 404
DC/DC
CONVERTER
IC401
B+ SWITCH
Q410, 412
SWA5V
F1
F2
VFL
LVDS +3.3V
B+
B-
D302
TO
AUDIO OUT AMP
(IC301)
TUSW5V
TU5V
SW1.8V
SW1.2V
SW5V
FR6V
+6V
+3.3V
+5V
UNSW5V
SW3.3V
+1.8V
SH_SW3.3V
SH_SW1.5V
VIDEO AMP –5V
–5V
30V
TO FSS TUNER
(TU401)
–5V
REGULATOR
IC801
-5V
REGULATOR
IC102
IT CPU
IC604 (3/3)
11
RESET
79
P_FAIL
72
TU_PCONT
57
2
FL_PCONT
SIRCS
4 FLD_DATA
6 FLD_CLK
51 FLD_CS
50 FLD_XRESET
KEY1 – KEY4
S106 – 108, 110 – 115
S1301, 1311 – 1315, 1319
POWER
FAIL DET
IC601
101
T_CONT_TEMP
77
FR_PCONT
85
INSEL_PCONT
B- SWITCH
Q606 – 608
OSC
Q1303, 1304
PS602
B+ SWITCH
Q616, 617
B+ SWITCH
Q618,619
PS601
PS101
D101
T1301
INVERTER
TRANSFORMER
RECT
D1312 –1315
REMOTE CONTROL
RECEIVER
IC101
FAN MOTOR
DRIVE
IC1201
96 – 99
62
CP
61
CS
63
DA
59
OSC1
58
OSC0
60
RESET
ND1301
FLUORESCENT
INDICATOR TUBE
COM1 – COM13
AD1, AD2,
SEG1 – SEG21
40 – 52
3 – 25
FL DRIVE
IC1301
52 LED_STB
21 DIMMER
9
CLK
92 FAN_ONOFF
91 FAN_SPEED
93 FAN_DET
10
XSTB
8
DATA
11
XCLR
LED DRIVE
IC1361
OSC
C1311, R1320
2, 3, 5 – 7
D1361 – 1365
(PANEL KEY ILLUMINATION)
P4 – P8
DIMMER
Q1361, 1362
UNSW12V
UNSW12V
Q1201
SWITCH
M1201
(FAN)
M
TH001
Z
P_CONT
D605
(Page 24)
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