57
HCD-VX777
6-29. IC BLOCK DIAGRAMS
IC11 LA1845 (MAIN BOARD)
IC51 LC72131 (MAIN BOARD)
ALC
AGC
REG
GND
VCC
AM
DET
STEREO
SW
P-DET
φ
VCO
304KHz
DECODER
ANTI-BRIDIE
PILOT
CANCEL
FF
38k
FF
19K
∠
PILOT
DET
AM
IF
AM
OSC
AM
MIX
AM/FM
AM
RF.AMP
COMP
BUFF
S-CURVE
IF
BUFF
LEVEL
DET
FM
IF
FM
DET
FM-IN
AM
MIX-OUT
REG
AM
IF-IN
GND
TUNED
STEREO
FM-DET
VCC
IF-REQ
MUTE
AM/FM
VCO
STOP
OSC
FM.SD
AM-AGC
S-METER
AFC
AM-RF
IN
DECODER
OUT
AM
DET-OUT
AM-OSC
DECODER
IN
PLL-IN
PILOT
CANCEL
R-OUT
L-OUT
π
2
FF
19K
∠
0
TUNING
DRIVE
24
23
22
21
20
19
13
14
15
16
17
18
1
2
3
4
5
6
12
11
10
9
8
7
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
2 3 4 5
6 7 8 9
16
15
14
13
12
11
10
17
18
19
20
XOUT
VSS
AOUT
AIN
PD
VDD
FMIN
AMIN
XIN
DO
CL
DI
CE
IFIN
IO1
BO4
BO3
BO2
BO1
IO2
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1
CONT
GND
VCC
SW P2
GND
SW R2
IC302 uPC1330HA (MAIN BOARD)
Содержание HCD-VX777
Страница 13: ...13 HCD VX777 VIDEO BOARD SIDE A J301 CN501 CN301 1 2 3 CN503 SL503 SL502 SL501 CHECK LED CN502 ...
Страница 37: ...37 37 HCD VX777 6 17 SCHEMATIC DIAGRAM POWER AMP SECTION Page 47 Page 47 Page 34 Page 34 ...
Страница 41: ...41 41 HCD VX777 6 21 SCHEMATIC DIAGRAM CD SW PAD SWITCH SECTION Page 39 Page 39 ...
Страница 43: ...43 43 HCD VX777 6 23 SCHEMATIC DIAGRAM LEAF SW SECTION E 4 4 Page 34 ...
Страница 45: ...45 45 HCD VX777 6 25 SCHEMATIC DIAGRAMS DRIVER SECTION See page 50 for IC Block Diagrams IC B D B 2 4 Page 32 ...
Страница 47: ...47 47 HCD VX777 6 27 SCHEMATIC DIAGRAM TRANS SECTION H Page 37 Page 37 ...