Schematic Diagram - Main Board (4/4) - Sony CMT-DF1 Service Manual

7-11. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
(4/4)
CON12
12P
CON11
GND
VCC_3.3V
+9V
REMOTE
C/D_STB R12 330
BU9728_DATA R26 330
BU9728_CE R27 330
(Page 25)
BU9728_CLK R28 330
KEY_IN0
KEY_IN1 C123
KEY_IN2 C122
STAND_BY C121
W1
(CHASSIS)
HCD-DF1
• See page 28 for Waveforms.
R22 RJ9
470k 0
CON07 R23 4.7k
CON06 R24 4.7k
CON05 R25 4.7k
CON04
CON03
CON02
CON01
C3
0.1
CON00
XT1
(AEP,RU,KR) 4.19MHZ
C119
0.1
R33
1.5k
CON11
CONN10
CON09 Q1
2SC3052
CON08
RESET SWITCH
CON05
100p CON06
100p CON07
100p CON19
R31 R29
10k 10k
D6
RLS4148
C4
R30
Q18 C2 22
22k
0.1
MC2840 25V
• See page 28 for IC Block Diagrams. • See page 30 for IC Pin Function Description.
SYSTEM CONTROLLER
U1
3P70F4XZZ-S094
KEY_OUT OPTION_IN
R138 330
KEY_IN2 BU9728_CLK
R137 330
KEY_IN1 NC
R136 330
KEY_IN0 BU9728_CE
PROTECT BU9728_DATA
DVD_DATA BU9728_C
/TU_CE /D_STB
DVD_IR
MUTE
/TU_DI
DVD_CLK
TU_VCC_CTRL
/TU_CLK
NC POWER_CTRL
24C01_CLK/
RESET
7314_CLK
DVD_STB 24C01_DATA/
/TU_DO 7314_DATA
REMOTE DVD_VCC_CTRL
R34 10k
TEST OP/CL
XIN STAND_BY
C6 20p
XOUT OUT2
C5 20p
VSS VDD
EEPROM
U2
24LLC02
A0 VCC
A1 WP
A2 SCL
VSS DSA
23 23
CON23
R18
10k
CON13
R17
10k
CON17
C105
100
D1
C8 16V
RLS4148
0.1
CON09
R21
100
CON08
CON12 R1 2.2k
CON09 CON04 R2 2.2k
CONN10 CON14
CON11
CON12
CON13
CON18
CON14
R32
100k
CON15
CON16 CON17 R5 100
CON17
CON18
CON19
CON15
C7
CON16
D7 220
RLS4148 16V
C94
100p
CON23 R4 2.2k
CON00 R11 330
CON01 R13 330
CON02 R14 330
CON03 R15 330
R102 R104 C1
100k 100k 0.1
CON00 R35 2.2k
R19
330
CON15 CON03 R36 2.2k
CON01 R37 2.2k
R20
330
CON16 CON02 R38 330
CON18 R39 330
HCD-DF1
R16
10k
Q2
2SC3052
INVERTER
+9V
D-GND
CON21
MUTE
PROTECT
(Page 21)
CON14
DVD_VCC_CTRL
(Page 22)
CON15
CON16
(Page 20)
TAPE_VCC_CTRL
TUNER_DO/SO/ST
TUNER_CLK
TUNER_DATA
TUNER_CE
(Page 20)
DVD_STB/TU_DO 7
DVD_DATA/TU_CE
DVD_CLK/TU_CLK
DVD
DVD_IR/TU_DI
BOARD
OP/CL
(4/4)
GND
1