Schematic Diagram - Switch Board (Except Psyc Model) - Sony D-NF420 Service Manual

D-NF420/NF421
5-7. SCHEMATIC DIAGRAM – SWITCH BOARD (EXCEPT PSYC MODEL) –
• Refer to "DISCRIMINATION OF ORIGINAL AND PSYC MODEL" in the SERVICING NOTES (page 5) about PSYC model.
SCK
CSB
SDI
SDO
RSTB
VDD
VSS
VREF
VCIN
CP1
LCD1001 CN1
LIQUID
CP2
CRYSTAL
CN2
DISPLAY
CP3
CN3
VSSL
VCOUT
VLCIN
V1
V2
V3
V4
V5
D-NF420/NF421
CN1001
23P
C1001 1
R1115 C1002
0
C1003 0.22
VDR1001
C1004 0.22
C1005 0.22
S1111
SEARCH
C1006 0.47
C1007 0.22
C1008 0.22
C1009 0.22
C1010 0.22
C1011 0.22
1 R1113 R1101
47k 10k
R1114 R1102 R1103
4.7k 4.7k 2.2k
S1101 S1102
TUNE - TUNE + S1103
- +
R1107
10k
R1104 R1108
22k 22k
S1108
S1110 S1109
RADIO
VOL +
OFF
VOL -
18 18
CN1002
12P
R1001 1k
CLK_I
R1002 1k
LCD_CS_I
R1003 1k
DATA_O
R1004 1k
DATA_I
R1005 1k
LCD_XRST
R1006 0
VCC2_+2.1V
R1007 0
VCC0_+2.7V
D_GND
AD_KEY1
R1105
2.2k
AD_KEY2
PS
R1106 R1109
47k 1k
SGND
S1105
S1104
ENTER
R1111
2.2k
R1110 R1112
2.2k 22k
S1106
S1107
RADIO ON/
DISPLAY BAND
MENU MEMORY
(Page 16)