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CX-J3000/J3000M
7-4.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY SECTION –
S0 – S33
LCD801
LIQUID
CRYSTAL
DISPLAY
COM0 – COM3
D812 – 817
LED DRIVE
LCD
92
O_BACK_LIGHT
Q804
BACK LIGHT
D802
LED DRIVE
91
O_LED_S_BASS
i-Bass
Q805
D801
LED DRIVE
43
O_LED_STANDBY
STANDBY
Q806
SYSTEM CONTROLLER
REMOTE CONTROL
RECEIVER
29
I_REM
IC803
ROTARY ENCODER
VOLUME
23
I_VOL_ENC
S813
I_KEY1,
I_KEY2
S801 – 812, 814, 815, 817, 818, 820 – 822 (J3000)
S802 – 812, 814 – 819, 821, 822 (J3000M)
16
O_CF2
X801
8.64MHz
15
I_CF1
CX-J3000/J3000M
All manuals and user guides at all-guides.com
O_TU_ON 87
+2.6V
SW +2.6V
REGULATOR
Q156
SW +5V
REGULATOR
REGULATOR
SW +3.3V
CD +7V
O_CD_ON
88
SW +2.6V, SW +3.3V,
SW +5V, SW +7V
IC801 (3/3)
V1 82
V2 81
V3 80
RESET SWITCH
RES 11
I_POWER_DN 18
I_OP_BATT 21
+5V
TU +5V
REGULATOR
Q517
TUNER ON
SWITCH
Q518, 519
+5V
IC151
+3.3V
Q157, 158
B+ SWITCH
Q154
CD/VCD ON
SWITCH
Q155
D166
OVER CURRENT
DETECT
Q159
LOW VOLTAGE
DETECT
Q160
+7V
SW +7V
REGULATOR
Q151 – 153
+9V
SW +9V
REGULATOR
Q101 – 103
B+ SWITCH
VT B+
Q520
B+ SWITCH
RY B+
Q209
PROTECT SWITCH
D805
VCC +3.3V
Q803
VOLTAGE
D807
DETECT
IC802, Q807
D809
+4V
B+ 3.3V
REGULATOR
Q801, 802
(J3000M)
UNREG
(J3000)
20
20
O-POWER,
O-POWER
I-PROTECT
I-PROTECT
Q208
POWER TRANSFORMER
PT001 (Chilean, Peruvian)
PT002 (EXCEPT Chilean, Peruvian)
F001
AMP B+
RECT
F002
D155 – 158
AMP B–
(EXCEPT Chilean, Peruvian)
F003
RECT
D151 – 154
RECT
D104, 105
(Chilean, Peruvian)
(Page 19)
F
(J3000)
J001
DC IN 12V
+
–
F004
J002
- AC
(AC IN)
S001
POWER
S2
(J3000M)
VOLTAGE
SELECTOR
P-ON MUTING
(Page 19)
G
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