Sony CFD-RG880CP (serv.man2) Service Manual ▷ View online
CFD-RG880CP
CFD-RG880CP
17
17
2-15. SCHEMATIC DIAGRAM - POWER Section -
J981
JW986
JW985
JW988
JW987
JW983
JW984
JW981
JW982
CN982
FH903
FH901
FH902
FH904
TP951
TP952
CN981
TP953
TP954
TP955
VR981
JW944
JW943
JW941
JW942
FH906
FH905
S981
CN1001
TP1001
TP1002
CN1003
L1001
CN941
CN942
CN983
CN991
(BR)
(EXCEPT BR)
CN984
CN992
CN985
CN993
C985
C988
F982
T981
C981
C982
D982
D981
C987
C983
C984
D984
D983
F983
FB1007
FB1006
D1004
D1005
C986
F981
Refer to page
32 on original
service manual
(Page 7)
(Page 7)
CFD-RG880CP
CFD-RG880CP
18
18
• IC Block Diagrams
– MAIN Board –
IC805 S-T111B33MC-OGSTFG
+
–
4
5
1
2
ON/OFF
VOUT
VIN
VSS
3
NC
OVER CURRENT
PROTECTOR
REFERENCE
VOLTAGE CIRCUIT
ON/OFF
CIRCUIT
– TUNER Board –
IC1 SI4730-D60-GUR
GND
22
ROUT
23
LOUT
24
VA
21
VD
20
RCLK
19
SDIO
18
SCLK
17
SEN
16
RST
15
GND
14
GND
13
N.C.
N.C.
N.C.
10
DOUT 1
11
FMI
RFGND
8
9
N.C.
N.C.
N.C.
6
7
7
GPO2/INT
GPO1
4
5
5
DFS
GPO3/DCLK
2
3
3
AMI 12
DAC
DSP
DAC
CONTROL
INTERFACE
DIGITAL
AUDIO
ADC
AGC
ADC
LOW-IF
MUX
AFC
MUX
LDO
-
LNA
AGC
LNA
IC901 NJW4152GM1-A (TE2)
SW
8
IN–
5
FB
6
GND
7
V+
ON/OFF
2
PV+ 1
3
RT 4
BUFFER
REGULATOR
TSD
OSC
OCP
PULSE BY PULSE
STANDBY
ON/OFF
LOW
FREQUENCY
CONTROL
VREF
ER.AMP
PWM
SOFT
START
+
–
+
–
UVLO
– LCD Board –
IC601 LC75890W-2H
1
24
36
37
COM4
P1/S1
2
P2/S2
3
P3/S3
4
P4/S4
5
P5/S5
6
P6/S6
7
P7/S7
8
P8/S8
9
P9/S9
10
P10/S10
11
P1
1/S1
1
12
P12/S12
S36
35
S35
34
S34
33
S33
32
S32
31
S31
30
S30
29
S29
28
S28
27
S27
26
S26
25
S25
S24
23 S23
22 S21
21 S21
20 S20
19 S19
18 S18
17 S17
16 S16
15 S15
14 S14
13 S13
22 S21
21 S21
20 S20
19 S19
18 S18
17 S17
16 S16
15 S15
14 S14
13 S13
2/3VLCD
SEGMENT
DRIVER & LA
TCH
COMMON
DRIVER
CLOCK
GENERATOR
CCB
INTERF
ACE
SHIFT
RESISTER
CONTROL
RESISTER
38
COM3
39
COM2
40
COM1
41
OSCI/S37
42
VDD
43
VLCD
44
45
VSS
INH
1/3VLCD
LCD DRIVE
BIAS VOLTAGE
STABILIZATION
CIRCUIT
46
CE
47
CL
48
DI
CFD-RG880CP
19
• IC Pin Function Description
MAIN BOARD IC801 LC87F7DC8AVU-QIP-E (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
NC
-
Not used (Open)
2
O-LCD-INH
O
LCD INH data signal output
3
O-LCD-DATA
O
LCD serial data signal output
4
O-LCD-CE
O
LCD chip enable signal output
5
O-LCD-SCL
O
LCD serial clock signal output
6
O-CD-DO
O
CD serial data signal output
7
I-CD-DI
I
CD serial data signal input
8
O-CD-CLK
O
CD serial clock signal output
9
EPROM-SCL
O
EEPROM serial clock signal output
10
EPROM-SDA
I/O
EEPROM serial data signal input/output
11
I-RES
I
Reset signal input
12
XT1
I
Connect to VDD
13
XT2
O
Not used (Open)
14
VSS1
-
Ground terminal
15
CF1
I
Main system clock oscillation signal input (10 MHz)
16
CF2
O
Main system clock oscillation signal output (10 MHz)
17
VDD1
-
Power supply terminal (+3.3V)
18
O-CLOCK SHIFT1
O
Clock shift signal output 1
19
O-CLOCK SHIFT2
O
Clock shift signal output 2
20
NC
-
Not used (Open)
21
I-CD3.3V-CHK
I
CD +3.3V voltage check signal input
22
I-KEY0
I
A/D key signal input 0
23
I-KEY1
I
A/D key signal input 1
24
I-KEY2
I
A/D key signal input 2
25
I-KEY3
I
A/D key signal input 3
26
I-KEY4
I
A/D key signal input 4
27
TU-INT
I
Interrupt signal input
28
I-WAKE UP
I
Wake up key signal input “H”: Active
29
I-RMC
I
Remote control signal input
30
I-SUFFIX 1
I
Suffi x distinction signal input 1
31
I-SUFFIX 2
I
Suffi x distinction signal input 2
32
I-SUFFIX 3
I
Suffi x distinction signal input 3
33
I-TU-COUNT
I
Tuner count signal input
34
TU-ON
O
3.3V on control signal output
35
NC
-
Not used (Open)
36
O-TC-CLK
O
Tuner serial clock signal output
37
O-TU-DATA
O
Tuner serial data signal output
38
TU-RST
O
Tuner reset signal output “L”: reset
39
NC
-
Not used (Open)
40
M-MUTE
O
Motor drive mute signal output
41
USB LED
O
USB memory with/without recognition LED control signal output “H”: With
42
USB REC LED
O
USB memory record confi rmation LED control signal output
43
WOOFER LED1
O
Woofer LED turn on level setting signal output 1 (HIGH)
44
WOOFER LED2
O
Woofer LED turn on level setting signal output 2 (MID)
45
NC
-
Not used (Open)
46
LED1
O
LED turn on control signal output 1
47
LED2
O
LED turn on control signal output 2
48
LED3
O
LED turn on control signal output 3
49
LED4
O
LED turn on control signal output 4
50
LED5
O
LED turn on control signal output 5
51
LED6
O
LED turn on control signal output 6
52
LED7
O
LED turn on control signal output 7
53
LED8
O
LED turn on control signal output 8
54
VDD2
-
Power supply terminal (+3.3V)
55
VSS2
-
Ground terminal
56
BACKLIGHT H
O
LCD back light LED control signal output H “L”: Tuner onLED off, “H”: Tuner onLED on
CFD-RG880CP
20
Pin No.
Pin Name
I/O
Description
57
BACKLIGHT L
O
LCD back light LED control signal output L “L”: Tuner onLED off, “H”: Tuner onLED on
58, 59
NC
-
Not used (Open)
60
O-ISS1
O
Record bias frequency control signal output (Only AM recording)
61
O-ISS2
O
Record bias frequency control signal output (Only AM recording)
62
O-CD SW
O
CD function switch change signal output “L”: TAPE, TUNER, “H”: CD/USB, AUDIO-IN
63
O-TAPE
O
TAPE function switch change control signal output
64
I-TAPE PLAY
I
TAPE play control signal input
65
I-TAPE REC
I
TAPE record control signal input
66
O-VOL DATA
O
Volume IC serial data signal output
67
NC
-
Not used (Open)
68
O-VOL CLK
O
Volume IC serial clock signal output
69 to 71
NC
-
Not used (Open)
72
WOOFER 1/2
O
Sub woofer level change signal output
73
WOOFER ON/OFF
O
Sub woofer on/off control signal output
74
O-POWER
O
Power on control signal output
75
O-CD-ON
O
CD on control signal output
76
O-5V-ON
O
5V on control signal output
77
NC
-
Not used (Open)
78
O-A-MUTE
O
Audio mute signal output
79
O-P-MUTE
O
Power drive woofer mute signal output
80
I-VH-CHK
I
Main voltage check signal input
81
I-REG6.2V-CHK
I
REG +6.2V check signal input
82
I-SPOUT-VOLTAGE
I
SPOUT voltage check signal input
83 to 86
NC
-
Not used (Open)
87
I-CD LID
I
CD lid check signal input
88
I-AC CHECK
I
AC/DC check signal input “L”: AC, “H”: DC
89
VSS3
-
Ground terminal
90
VDD3
-
Power supply terminal (+3.3V)
91
USB-TXD
O
UART transmission signal output
92
USB-RXD
I
UART receive signal input
93
O-CD RES
O
CD/USB reset signal output
94
O-CD CE
O
CD I/F chip enable signal output
95
SUB V3
-
Flash write port 3
96
SUB V2
-
Flash write port 2
97
SUB V1
-
Flash write port 1
98
I-SW FLG
I
Hiside switch fl ag signal input
99
O-SW EN
O
Hiside switch enable signal output
100
O-USB SLEEP
O
USB sleep signal output
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