Harman Consumer Group AVR75/85, Technical Manual

Page: 89 / 204

6 5
Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85
INTEGRATED CIRCUIT DIAGRAMS 5
QM09: PM4007A
RF DEMODULATOR
Demoduration
SYNC
Detection-
Safeguard
S/P
Address
SRAM
32K x 8
Error
Correction
Timing
DAI
Control
SW
1/2048
Divider
1/2
Phase
Comparator
46.08 MHz
Oscillator
VCXO
18.432 MHz
LPF
46.08 MHz
9 KHz
9.216 KHz
QPSK Input
CPIN
CMIN
DOUT
DOUTB
PDDIS
PDO
VI
VO
RESET
OSCON C9M MUTI DAIN
Serial data stream output
DAOUT
MUTO
C1F0
C1F1
C2F0
C2F1
WEB
OEB
DB(7:0)
A(14:0)
1 GND - GND
2 VDD - +5VD
3 RESET I System Reset At "L" reset
4 OSCON I Oscillator Control
At "H" during normal operation At "L" during standby
5 DATA I TEST
6 MCK I TEST
7 MLTB I TEST
8 IDST O TEST
9 IDCK O TEST
10 IDO O TEST
11 TM0 I TEST
12 ECCK O TEST
13 DEN O TEST
14 DRY O TEST
15 MSYC O TEST
16 TM1 I TEST
17 A0 O RAM A0
18 A1 O RAM A1
19 A2 O RAM A2
20 A3 O RAM A3
21 A4 O RAM A4
22 A5 O RAM A5
23 TM2 I TEST
24 TM3 I TEST
25 XOUT O TEST
26 XIN I TEST
27 XENT I TEST
28 GND - GND
29 VDD - +5VD
30 A6 O RAM A6
31 A7 O RAM A7
32 GND - GND
33 VDD - +5VD
34 A12 O RAM A12
35 A14 O RAM A14
36 WEB O RAM WEB
37 A13 O RAM A13
38 A8 O RAM A8
39 A9 O RAM A9
40 GND - GND
41 A11 O RAM A11
42 OEB O RAM OE
43 A10 O RAM A10
44 DB7 B RAM D7
45 DB6 B RAM D6
46 DB5 B RAM D5
47 DB4 B RAM D4
48 DB3 B RAM D3
49 DB2 B RAM D2
50 DB1 B RAM D1
No. Name I/O Function
51 DB0 B RAM D0
52 VDD - +5VD
53 GND - GND
54 TI1 I TEST
55 VIN I VCXO input
56 VOUT O VCXO output
57 TI2 I TEST
58 TI3 I TEST
59 TLDB I TEST
60 TCK I TEST
61 TRP O TEST
62 TDO O TEST
63 PDO O Phase comparator output (3-state)
64 TI4 I TEST
65 PDDIS I Control input for PDO out At "L" Output ON
66 MUTO O Muting output. Mutes at "H."
Sets to "H" when MUTI = H or the AC-3 period cannot be received.
67 TI5 I TEST
68 VLDY
70 DAOUT O Digital OUT (serial data stream output)
71 DAIN I Digital external input: Sets to DAOUT when DASEL is at "H"
72 DASEL I Selects digital OUT
73 TI8 I TEST
74 C2F1 O N.C.
75 C2F0 O N.C.
76 C1F1 O N.C.
77 C1F0 O Displays C1 correction error status. Outputs error count at C1.
78 MUTI I Muting input. Mutes at "H."
79 VDD - +5VD
80 GND - GND
81 AVDD - +5VD
82 CPIN I Analog converter inverted input
83 CMIN I Analog converter inverted input
84 AGND - GND
85 TM4 I TEST
86 VDD - +5VD
87 DIN I TEST
88 DOUT O Analog converter inverted input
89 DOUTB O Analog converter inverted reverse output
90 C9M O N.C.
91 GND - GND
92 WINGT O TEST
93 SYST0 O TEST
94 SYST1 O TEST
95 ADST0 O TEST
96 ADST1 O TEST
97 TM5 I TEST
98 BUNRI I TEST
99 AGND - GND
100 AVDD - +5VD
O TEST
69 DASYO O TEST
No. Name I/O Function
Q201: LA1836
FM/AM IF, MPX
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16
17 18 19
20
21 22
23
24
25 26
27 28 29
30
AM
FM
AM
MIX
AM
OSC
ALC
BUFF
AM
RF AMP
AGC
S METER
AM
IF
AM
DET
LEVEL
DET
S-CURVE
FM IF
FM
DET
AM/FM
IF
BUFF
COMP
TUNING
DRIVE
REG GND VCC
AM/FM
SW
PHASE DET
VCO
FF FF FF
PILOT
DET
DECODER
ANTI SIROIE
STEREO
DRIVE
STEREO
SW
TRIG
MUTE