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CX-J3000/J3000M
20
20
CX-J3000/J3000M
7-4.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY SECTION –
(AC IN)
POWER TRANSFORMER
PT001 (Chilean, Peruvian)
PT002 (EXCEPT Chilean, Peruvian)
RECT
D155 – 158
OVER CURRENT
DETECT
Q159
LOW VOLTAGE
DETECT
Q160
DC IN 12V
+
–
S001
S2
F002
F001
AMP B–
UNREG
AMP B+
RY B+
VT B+
SW +9V
D166
SW +7V
F003
J001
VOLTAGE
SELECTOR
POWER
J002
F004
-
AC
(J3000)
(J3000M)
P-ON MUTING
(Chilean, Peruvian)
(EXCEPT Chilean, Peruvian)
(J3000M)
(J3000)
TUNER ON
SWITCH
Q518, 519
RECT
D151 – 154
RECT
D104, 105
I_VOL_ENC
23
I_REM
29
O_BACK_LIGHT
92
O_LED_S_BASS
91
O_LED_STANDBY
43
O_TU_ON 87
O_CD_ON
S0 – S33
COM0 – COM3
88
V1 82
I_OP_BATT 21
ROTARY ENCODER
S813
S801 – 812, 814, 815, 817, 818, 820 – 822 (J3000)
S802 – 812, 814 – 819, 821, 822 (J3000M)
LED DRIVE
Q806
LCD801
LIQUID
CRYSTAL
DISPLAY
SW +2.6V, SW +3.3V,
SW +5V, SW +7V
B+ SWITCH
Q209
PROTECT SWITCH
Q208
I-PROTECT
O-POWER
O-POWER,
I-PROTECT
CD/VCD ON
SWITCH
Q155
+9V
REGULATOR
Q101 – 103
B+ 3.3V
B+ SWITCH
Q520
RESET SWITCH
Q803
CD +7V
B+ SWITCH
Q154
+4V
REGULATOR
Q801, 802
D807
D805
D809
VOLTAGE
DETECT
IC802, Q807
TU +5V
+5V
REGULATOR
Q517
SW +3.3V
+3.3V
REGULATOR
Q157, 158
SW +5V
+5V
REGULATOR
IC151
SW +2.6V
+2.6V
REGULATOR
Q156
+7V
REGULATOR
Q151 – 153
V2 81
V3 80
RES 11
I_POWER_DN 18
VCC +3.3V
G
F
SYSTEM CONTROLLER
IC801 (3/3)
83 – 86
44 – 53,
56 – 79
I_KEY1,
I_KEY2
24, 25
LED DRIVE
Q805
LED DRIVE
Q804
LCD
BACK LIGHT
D801
D812 – 817
STANDBY
VOLUME
D802
i-Bass
REMOTE CONTROL
RECEIVER
IC803
15
16
X801
8.64MHz
I_CF1
O_CF2
(Page 19)
(Page 19)
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