Chapter 8. Others; Function Table Of Ic - Sharp XL-MP80H Service Manual

E XL-MP80H/MP80E Market XLMP80H Service Manual Audio
CHAPTER 8.
OTHERS

[1] FUNCTION TABLE OF IC

IC201 VHISTK45303-1: Power (STK45303)
IN/1
16
NF/1
18
IC301 VHILV23002M-1: PLL (Tuner)/FM IF Det./AM IF (LV23002M)
FM
FM
GND2
RFOUT
RFIN
36 34
35
GND2
FM
RF
AM
RF
FM
MIX
REG
2 3
1
AM
FM
REG
GND1
RFIN
MIX
+Pre
10
Pre
Driver
7
-Pre
Figure 1 BLOCK DIAGRAM OF IC
FM AM
Vcc2 BO2 BO1
OSC OSC
33 32 31 30 29
VCC2
FM
AM
OSC OSC
SD
OSC
BUFFER
FM
AGC
S-METER
AM AM FM
MIX DET DET
AM FM
IF IF
GND1 VCC1
6 8
4 5 7
FM
AM AM
Vcc1
IFIN IFIN
MIX
Figure 2 BLOCK DIAGRAM OF IC
+Vcc
3
ch1+ ch2+
2 6
ch1- ch2-
4 8
Stand-By
Circuit
1 13
-Vcc
S.by GND
PD AGC
A-IN LOWCUT
A-OUT
28 26
27 25
LPF
TRIG ST SW
ST
FF VC0
PHASE
PILOT
FF FF
COMP
DET
IF
BUFFER DECODER
12
9 10 11
FM
P-DET P-COMP L-OUT R-OUT
DET
8 – 1
XL-MP80H/MP80E
IN/2
17
Pre
Driver
NF/2
19
SUB
12
SUB
14
AM DET MPX
OUT IN VDD X-OUT
24
23 22 21 20
POWER ON
VDD
RESET
PHASE DETECTOR
CHARGE PUMP
SWALLOW
PROGRAMMABLE
DIVIDER COUNTER
MUTE
DATA SHIFT REGISTOR
LATCH
UNIVERSAL
COUNTER
CCB
VSS I / F
13 15 16 17
14
VSS CE CI
CL
X-IN
19
REFERENCE
DEVIDER
UNLOCK
DETECTOR
18
DO