Read Harman Kardon AVR 85 (serv.man3) Service Manual online
6 6
Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85
INTEGRATED CIRCUIT DIAGRAMS 6
QU01: TMP87CP71F
MICROPROCESSOR
RC-5 OUT
RDS START BIN IN
MULTI ROOM RC DATA DET.
DS CLOCK IN
CE2 (OSD) OUT
AUTO MODE L:STEREO (DSP)
OSD SYNC. DET. IN
POWER DET. (L:STAND-BY)
N.C.
SD IN
PLL DATA IN
RESET IN
8 MHz
8 MHz
GND
POWER DOWN IN
RC-5 IN
REQ I/O
SUB -COM SCK IN
SUB -COM DATA IN
SUB -COM DATA OUT
CLK-1 OUT
SUB -COM ACK I/O
DATA-0 (OSD) OUT
m
m
m
m
P10/INTO
INP11/INT1
INP12/INT2
P13
P14
P15
P16
P17
TEST
P21
P22
RESET
XIN
XOUT
VSS
P20
P30/INT3
P31
P32
P33
P34
P35
P36
P37
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Sb SEG. b
Sc SEG. c
Sd SEG. d
Se SEG. e
Sf SEG. f
Sg SEG. g
Sh SEG. h
Si SEG. i
Sj SEG. j
Sk SEG. k
Sl SEG. l
Sm SEG. m
Sn SEG. n
So SEG. o
Sp SEG. p
G1 DIGIT D1
G2 DIGIT D2
G3 DIGIT D3
G4 DIGIT D4
G5 DIGIT D5
G6 DIGIT D6
G7 DIGIT D7
G8 DIGIT D8
G9 DIGIT D9
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
KEY IN CIN4
KEY IN CIN3
KEY IN CIN2
KEY IN CIN1
KEY IN CIN0
SIG. STR. IN
KEY IN CIN3
KEY IN CIN2
KEY IN CIN1
KEY IN CIN0
SIG. STR. IN
ENC (A) IN PULS ENC.
ENC (B) IN PULS ENC.
ENC (B) IN PULS ENC.
P00
P01
P02
P03
P04
P05
P06
P07
P01
P02
P03
P04
P05
P06
P07
CE4 (TC9174 ENABLE)
RDS DATA IN
PORT EXP.1 (TC9173P) DATA IN
CLK-0 OUT
DATA-0 OUT
POWER ON/OFF OUT (H:ON)
CE3 OUT (TC9173P)
VOL.1-CLOCK OUT (FRONT)
RDS DATA IN
PORT EXP.1 (TC9173P) DATA IN
CLK-0 OUT
DATA-0 OUT
POWER ON/OFF OUT (H:ON)
CE3 OUT (TC9173P)
VOL.1-CLOCK OUT (FRONT)
G10 DIGIT D10
G11 DIGIT D11
G12 DIGIT D12
VOL. 3-CLOCK OUT (CEN./SUB-W.)
VOL. 2-CLOCK OUT (SURR.)
IR SENSOR SW CONT.
TAPE MONITOR LED OUT (H:ON)
VDD +5.5V
G11 DIGIT D11
G12 DIGIT D12
VOL. 3-CLOCK OUT (CEN./SUB-W.)
VOL. 2-CLOCK OUT (SURR.)
IR SENSOR SW CONT.
TAPE MONITOR LED OUT (H:ON)
VDD +5.5V
K5 KEY IN (K5)
K4 KEY IN (K4)
K3 KEY IN (K3)
K2 KEY IN (K2)
K1 KEY IN (K1)
K0 KEY IN (K0)
Vkk -30V
Sa SEGMENT a
K4 KEY IN (K4)
K3 KEY IN (K3)
K2 KEY IN (K2)
K1 KEY IN (K1)
K0 KEY IN (K0)
Vkk -30V
Sa SEGMENT a
Q501: LC7218 PPL
6
1
24
19
18
2
3
4
5
7 8 9 10
11
12
13
14
17
23
20
15
16
22
21
REFERENCE
DIVIDER
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
I/16, I/17 4bit
12bit PROGRAMMABLE
DEVICER
SHIFT REGISTER
LATCH
UNIVERSAL
COUNTER
SVC
X IN
XOUT
FM IN
1
2
AM IN
DI
CL
DO
CE
PD1
PD2
HC TR
LC TR
Vss
V
DD
Click on the first or last page to see other AVR 85 (serv.man3) service manuals if exist.