Kenwood FZDA07ELEF2 Service Manual page 80

CH
FZDA07ELEF2/EREF2/MRHF2
3
TP104
TP103
3
6 6
C50
0.1
3.3V
0V
24
VSS
23
X1
22
X0
21 0V
MOD
20
I2C SCL
19
I2C SDA
IC5
18
FL RESET
CP4
PANEL
2.2K
u-COM
17
KR4
16
KR3
15
KR2
14
KR1
3.3V
13
AVCC
3.3V
9
TP100
TP102
TP101
18
5.0V
4
0V
3.3V 5V
8
CN1
80
X34-553x-xx (2/2)
CI
+10.5V
+3.3V +3.3V
6
0V
6
R86 C21 7
KS1
4.7K 27P
7
C22
27P
R87 4.7K
KS2
21
R9 100
SCL 7
R10 100
8
SDA
18
KS3
KR4
KR3
KR2
KR1
KS4
C49
0.1
9
8
9
9
KEY MATRIX
KR1
S38
+3.3V
J DISC
KS1 RIGHT E DISC
5
M DISC
LEFT E
S39
8
J FMAM
KS2 RIGHT E AM
8
M AM
LEFT E
5
S40
J AUX
KS3 RIGHT E AUX
M AUX
LEFT E
S41
J HDD
KS4 RIGHT E FM
M FM
LEFT E
(X34-553x-xx)
7 6 5 4 3 2 1 UNIT
MODEL NAME
No.
FZHA07JEGF2
0-00
FZHA07JHGF2
FZDA07MRHF2
0-21
FZDA07EREF2
FZDA07ELEF2 2-71
PROGRAM WRITE
CJ
∗ ∗
5
P1
CN3 J2
1 2 3 4 5 6 1 2 3
R105 0
R106 0
R107 0
R108 0
∗ ∗
LEFT
S16 S31
TP70
TP72
R7 R8 C4
PGND 5.6 5.6 7P
TP73
TP74
3.3V
IC1
1 8
DATA MEMORY
A0 VCC
2 7 E2PROM
R11
A1 WP
TP1
100
3 6
A2 SCL
TP2
R12
4 5
GND SDA
100
7
S6 S2 S17 S23 S32
S9 S18 S24 S33
S7 S10 S19 S25 S34
S11 S20 S26 S35
S8 S12 S21 S27 S36
S13 S22 S28 S37
S1 S14 S29
S15 S30
IC1
KR2 KR3 KR4 KR5 KR6
IC2
S32/S33 S23/S24 S17/18 S2/S9 S6
Preset 1 Preset 6 TONE IC3
IC4
Preset 1 Preset 6 SCAN
IC5
Preset 1 Preset 6 SCAN
Preset 1 Preset 6 TONE DISC
Q1,3
S34/S35 S25/26 S19/S20 S10/S11 S7
Q2,4
Preset 2 Preset 5 BAL
Preset 2 Preset 5 RDS Q5
Preset 2 Preset 5 DISP Q8,10
Preset 2 Preset 5 DISP AM
D1
S36/S37 S27/S28 S21/S22 S12/S13 S8
Preset 3 Preset 4 DISP D4,5,7-28
D6
Preset 3 Preset 4 TONE
D33
Preset 3 Preset 4 TONE
Preset 3 Preset 4 SCAN AUX
S29/230 S14/S15 S1
DISP
BAL
RDS FM
CN3 D6 J2 R34 R35 S4 S5 S16 S31
YES YES YES YES YES YES
YES YES YES
YES YES YES
FZDA07ELEF2/EREF2/MRHF2 (4/4)
CK
7
P2
4 8
∗
D6
RIGHT
TP3
C5 R15 R16
7P 5.6 5.6
S38
S39
S40
S41
CAUTION : For continued
safety, re place safe ty critical
com po nents only with manu-
: S24C02AFJTBG
facturer's rec om mend ed
: XC6219B332PR
parts (refer to parts list).
: XC6219B222PR
: 74VHCT04AFT-F
Indicates safety critical
: MB95F118AS105
com po nents. To reduce the
: 2SA1577
risk of electric shock, leak-
: DTC123JUA
: UM6K1N
age-cur rent or re sis tance
: DTC124EUA
mea sure ments shall be car-
: 1SS355
ried out (ex posed parts are
: B30-1760-05
: NSAD500H ac cept ably in su lat ed from
: 1SR154-400
the supply cir cuit) be fore the
ap pli ance is returned to the
customer.
GND LINE
B LINE
• DC voltages are as mea-
sured with a high imped-
ance volt me ter. Val ues
may vary slight ly due to
vari a tions between in di -
vid u al in stru ments or/and
units.
CL
1
2
3
4
5
6
7