JVC KD-SX8350 Service Manual page 37
Cd receiver
Hide thumbs
Also See for KD-SX8350:
- Instructions manual (32 pages) ,
- Schematic diagrams (10 pages) ,
- Service manual (42 pages)
Table of Contents
Advertisement
QQ
3 7 63 1515 0
• Pin function
Pin No.
Symbol
1
VCC
2
3
4
5
6
7
LDO
8
9
10
11
TEO
TE
L 13942296513
12
RFDC
13
GVSW
14
VRO
15
FEO
16
17
RFRP
18
REIS RFGO RFGC
19
20
www
21
AGCIN
.
22
RFO
23
24
GND
http://www.xiaoyu163.com
I/O
-
3.3V power supply pin
FNI
I
Main-beam amp input pin
FPI
I
Main-beam amp input pin
TPI
I
Sub-beam amp input pin
TNI
I
Sub-beam amp input pin
MDI
I
Monitor photo diode amp input pin
O
Laser diode amp output pin
SEL
I
APC circuit ON/OFF control signal, laser diode (LDO) control signal input or bottom/peak
detection frequency change pin.
SEL
GND
Hiz
VCC
TEB
I
Tracking error balance adjustment signal input pin
Adjusts TE signal balance by eliminating carrier component from PWM signal (3-state
output,
PWM carrier = 88.2kHz) output from TC94A14F/FA
TEBC pin using RC-LPF and inputting DC.
TEBC input voltage: GND ~ VCC
TEN
I
Tracking error signal generation amp negative-phase input pin
O
Tracking error signal generation amp output pin.
Combining TEO signal RFRP signal with TC94A14F/FA configures tracking search
system.
O
RF signal peak detection output pin
I
AGC/FE/TE amp gain change pin
GVSW
GND
Hiz
VCC
O
Reference voltage (VRO) output pin
*VRO=1/2VCC When VCC=3.3V
O
Focus error signal generation amp output pin
FEN
I
Focus error signal generation amp negative-phase input pin
O
Signal amp output pin for track count
Combining RFRP signal and TEO signal with TC94A14F/FA configures tracking
search system.
I
O
RF signal amplitude adjustment amp output pin
I
RF amplitude adjustment control signal input pin
Adjusts RF signal amplitude by eliminating carrier component from PWM signal (3-
state output, PWM carrier=88.2kHz)output fromTC94A14F/14FA *RFGC pin using
RC-LPF and inputting DC.
*RFGC input voltage: GND ~ VCC
x
ao
y
I
RF signal amplitude adjustment amp input pin
i
O
RF signal generation amp output pin
RFI
I
RF signal generation amp input pin
-
GND pin
http://www.xiaoyu163.com
8
Function
APC
circuit
OFF
Connected VCC through 1k resistor
ON
Control signal output
ON
Control signal output
Q Q
3
6 7
1 3
Mode
CD-RW
Normal
u163
.
2 9
9 4
2 8
LDO
1 5
0 5
8
2 9
9 4
m
co
KD-SX8350
9 9
2 8
9 9
(No.49782)1-37
Advertisement
Table of Contents
