DOWNLOAD Harman Kardon HK 3370 (serv.man6) Service Manual ↓ Size: 38.69 MB | Pages: 83 in PDF or view online for FREE

Model
HK 3370 (serv.man6)
Pages
83
Size
38.69 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hk-3370-sm6.pdf
Date
PREV: Harman Kardon HK 3370 (serv.man5) Parts List

Harman Kardon HK 3370 (serv.man6) Service Manual ▷ View online

4.  FM IF Alignment
Preparation
1. Signal Generator output should be no higher than necessary to obtain an optimum output reading.
2. Switch Press to FM
3. Signal Generator Deviation: 75KHz (HK 3370), 40KHz (HK 3470)
 ;
;
=  ! 
 ;
;
.
$%&'()*
  # . 
 ;
;
3.3/
4
,- ./01'2%15  ) 
)678,339&#/#
6: >:
 HK3370 / HK3470
6 
5.  MPX Alignment, SM Alignment
Preparation
1. Switch: Press to FM
2. Tuner for 98MHz on band.
3. Signal Generator output level: 1000
µ
V

5. 
! " # $ $ %& '$  '%&(
Ω
 !"#$
 !"#$
 !"#$
 !"#$
%
%
%
%
&
&
&
&
 +
/.)8 
4
$$%
&'()*:4)8 
$ (#.:>#
:# #/#
+
/.)8 
-
$$%
&'()*:4)8 
4
$  !
.8# >.
?>7
+
/.)8 
4
$$%
&'()*:-)8 
4
3.3/
 5:0#)#  > @ ? ! 3/. )/ 783/ (#.4# 0#> 
 @ ? !.:>8./. 2.@ ?
 HK3370 / HK3470
7  
3. Circuit Description
CPU(IC401) :uPD780204GF
1. Pin Configuration
 HK3370 / HK3470
8  
2. Pin Description
Pin No.
Pin Name I/O ACTIVE
PORT NAME
REMARK
1
Vdd
-
H
+5V
System power supply
2
P37
I
H
KR4
Key read 4
3
P36
I
H
KR3
Key read 3
4
P35
I
H
KR2
Key read 2
5
P34
I
H
KR1
Key read 1
6
P33
-
-
-
Not used
7
P32
-
-
-
Not used
8
P31
O
H/L
PWR_LED(RED)
L:AMBER  L:GREEN  H:RED
9
P30
O
H/L
PWR_LED(GRN)
L:STBY    H:OPER    L:PROT
10
RESET
I
L
System reset
Low reset
11
X2
-
-
OSC
Main system osc.
12
X1
I
-
OSC
-
13
Vpp
-
-
Conneced to Vss
14
XT2
-
-
-
Not used
15
P04/XT1
I
H/L
OPT_RDS
Rds on/off
16
Vdd
-
H
+5V
System power supply
17
P27
-
-
Not used
18
P26
-
-
Not used
19
P25
I
L
PWR DOWN
Detect power off
20
P24
O
H
PWR_RLY
Power Relay on/off
21
P23
O
H
VR_UP
Volume up
22
P22
O
H
VR_DOWN
Volume Down
23
P21
I
L
PROTECT
Detect protection
24
P20
O
H
PWR_MUTE
Power Mute
25
AVss
-
L
GND
Analog ground
26
P17
O
H
PRE_MUTE
Pre mute
27
P16
O
H
TUNER_MUTE
Tuner mute
28
P15
I
H/L
IF_IN
IF conter in
29
P15
O
H
PLL CE
30
P13
O
H
PLL CLOCK
31
P12
O
H/L
PLL DATA
32
P11
I
L
TUNED
Tuned in on : L
33
P10
I
L
STEREO
Stereo in on : L
34
Avdd
-
H
+5V
Analog power supply
35
Avref
-
L
GND
36
P03
-
-
Not used
37
INTP2
I
L
RDS CLK
Rds clock in
38
P01
I
H
RDS DATA 
Rds data in
39
P00
I
L
REMOCON IN
Remocon data in
40
Vss
-
L
GND
Ground
41
P74
O
H/L
78211 CLK
42
P73
O
H/L
78211 CE
43
P72
-
-
Not used
44
P71
-
-
Not used
45
P70
-
-
Not used
46 Vdd - H +5V
uPD780204GF QFP Type
 HK3370 / HK3470
9 
Page of 83
Display

Click on the first or last page to see other HK 3370 (serv.man6) service manuals if exist.

RANDOM: