HCD-GT22/GT44/GT55
26
26
HCD-GT22/GT44/GT55
7-4. BLOCK DIAGRAM – PANEL, POWER AMP Section –
REMOTE CONTROL
RECEIVER
IC601
FL701
FLUORESCENT
INDICATOR
TUBE
76 O-SWR-LED
I-KEY0 –I-KEY3
KEY0 – KEY4
KEY0 – KEY3
KEY0
KEY4
FLUORESCENT INDICATOR
TUBE DRIVER
IC701
SYSTEM CONTROLLER
IC901 (4/4)
F906
RECT
D902 – 905
PROTECT
DETECT
Q011
RECT
D001
RECT
D910
D006
O-S-LED1 –
O-S-LED6
S601 – 608 (KEY0),
S611 – 616 (KEY1),
S621 – 628 (KEY2),
S631 – 638 (KEY3),
S641 – 649 (KEY4)
S608 (GT44/GT55),
S641 – 649 (GT55)
5
O-POWER-RELAY
35
I-AC-CUT
RESET SIGNAL
GENERATOR
IC902
RESET SWITCH
Q903 – 905
D902
+3.3V
BD+3.3V
UNREG +16V
VBUS+5V
EVER +10V
LEVEL SHIFT
Q908
57
I-PROTECTOR
90
RESET
83 I-WAKEUPKEY
56 I-KEY4
66 I-VOL
2 – 13,
15, 16
DR35 [S0] –
DR16 [S19]
38 – 19
DR0 [T0] –
DR13 [T13]
70 – 75
61 – 64
LED DRIVE
Q601 – 606
GRID DRIVE
Q701 – 714
D601 – 606
(STREAM)
O-G-LED,
O-V-LED,
O-B-LED
38 – 40
LED DRIVE
Q921 – 923
LED DRIVE
Q607
D612
SUBWOOFER
77 O-STBY-LED
81 I-SIRCS-IN
D611
STANDBY
ROTARY
ENCODER
MASTER
VOLUME
OPERATION
DIAL
S651
BASS
D609
VOCAL
D608
GUITAR
D607
65 I-JOG
ROTARY
ENCODER
S652
94 X2
95 X1
X902
20MHz
91 XT2
92 XT1
X901
32.768kHz
SI
O-NJM3427A-DATA
49
84
SCK
O-NJM3427A2-CLK
48
86
CSb
O-NJM3427FA2-CS
51
68
RSTb
O-NJM3427FA2-RESET
52
69
(AC IN)
RY901
POWER ON/OFF
RELAY DRIVE
Q903
VOLTAGE
SELECTOR
S901
D+1.5V
+1.5V
REGULATOR
IC201
USB+3.3V
D008
D009
D301, 302
D908
AUDIO+9V
M+9V
M+7V
F907
RECT
D011 – 014
RECT
D021 – 024
F904
F905
RECT
D402
F908
F909
RECT
D401
D007
F
PROTECT
+9V
REGULATOR
IC021
+9V
REGULATOR
IC011
+3.3V
REGULATOR
IC006
+5V
REGULATOR
IC007
+4V
REGULATOR
Q901, 902
RELAY B+
3
O-FRONT-SP-RELAY
52
I-USB-MONI
8
O-USB-POWER
4
O-CD-POWER
B+ SWITCH
Q041, 042
B+ SWITCH
Q301, 302
B+ SWITCH
Q303, 304
–27V
REGULATOR
Q902
AMP
SECTION
B+
AMP
SECTION
B+
FOR
FLUORESCENT
INDICATOR
TUBE
(GT22/GT55)
(GT44)
–VFL
VF
VF
PT902
SUB POWER
TRANSFORMER
PT901
MAIN POWER
TRANSFORMER
GT22: MX, AR, AUS/
GT44: MX, AR, AUS/
GT55: MX, AR
GT22: E2, E3, E13, E51/
GT44: E2, E3, E13, E51/
GT55: E2, E51
GT22: MX, AR, AUS/
GT44: MX, AR, AUS/
GT55: MX, AR
(GT44/GT55)
(GT55)
45
46
XT
XTb
OSC
VDD+3.3V
D+3.3V,
VREF+3.3V
+VH
–VH
+VL
–VL
F909
F904
RECT
D401
+VCC
–VCC
•
Abbreviation
AR : Argentina model
AUS : Australian model
E2 : 120V AC Area in E model
E3 : 240V AC Area in E model
E13 : 220V - 230V AC Area in E model
E51 : Chilean and Peruvian models
MX : Mexican model
(Page 25)
Содержание HCD-GT22
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