Panasonic CR-YM4270K / CR-YM4272K Service Manual ▷ View online
IC601 : C2CBJG000199
Pin
No.
Name
Description
I/O
Vol.(V)
FM
AM
1
VOL ENB
Contact signal (VOLUME)
I
5.1
5.1
2
H/C CLK
Clock for concentration
display
display
O
3.1
3.0
3
H/C SO
Serial data for concentration
display
display
O
0
0
4
H/C SI
Serial data for concentration
display
display
I
0
0
5
H/C BUSY
Busy signal
O
0
0
6
PWR ON
Power on/off
O
5.1
5.1
7
AUTO/MEK
A
A
Air conditioner mode
O
5.1
5.1
8
CD/MD CLK Clock for CD/MD
I
0
0
9
CD/MD
DATA
DATA
Data for CD/MD
I
0
0
10 CD/MD
CD/MD mode selection
O
0
0
11 RESET
System reset
I
5.0
4.9
12 XT2
Not used
-
-
-
13 XT1
(Connecting to ground)
-
0
0
14 VSS
Ground
-
0
0
15 X2
Crystal ocsillator
-
1.5
1.5
16 X1
Crystal ocsillator
-
1.4
1.4
17 REG OFF
(Connecting to ground)
-
0
18 REGC
Bypass capacitor terminal
-
3.6
3.6
19 VDD
+5V power supply
-
5.1
5.1
20 H/C LED
RDEF
LED control for concentration
display
display
O
0
0
21 H/C LED
REC
LED control for concentration
display
display
O
0
0
22 H/C LED
FRE
LED control for concentration
display
display
O
0
0
23 SW CHK
Display mode check
I
5.1
5.1
24 LCD CLK
Clock for LCD
O
5.1
5.1
25 LCD CS
Chip select for LCD driver
O
5.1
5.1
26 LCD RST
Reset for LCD driver
O
5.1
5.1
27 LCD RS
LCD registor selection
O
5.1
5.1
28 CD EJECT
CD eject SW
I
5.1
5.1
29 LCD DATA
LCD data
O
0
0
30 LCD AC
LCD address
O
0
0
31 DIM
CANSEL
Dimmer cansel signal
O
0
0
32 TINE ENB
Contact signal (TUNE)
I
0.9
0.9
33 TUNE ENA
Contact signal (TUNE)
I
5.1
5.1
34 RDS OFF
RDS mode off
O
5.1
0
35 P.ON
System power on/off
O
5.1
5.1
36 LCD ON
LCD illumination on/off
O
5.1
5.1
37 TYPE1
Setting value for model type
I
5.1
5.1
38 TYPE2
Setting value for model type
I
0
0
39 BOSE
Audio output type
I
0
0
40 VSS
Ground
-
0
0
41 VDD
+5V power supply
-
5.1
5.1
42 AUX1
Not used
-
-
-
43 AUX2
Not used
-
-
-
44 E2P DIN
Security data
O
5.1
5.0
45 E2P DATA
Security data
I
0
0
46 E2P CLK
Shift clock
O
0
0
47 E2P STB
Data strobe
O
0
0
48 AMP CONT
Ext. Amp on/off
O
5.1
5.1
49 TEL MUTE
Telephone mute
I
5.0
4.9
50 VOL CLK
Clock for E-volume cont.
O
0
0
51 VOL DATA
Data for E- volume cont.
O
0
0
52 AMP STBY
Power Amp stand-by signal
O
5.0
5.1
53 SOUCE1
AF selection (IDC/MD/RADIO)
O
5.0
5.1
54 SOUCE2
AF selection (IDC/MD/RADIO)
O
0
0
55 CLIP DET
Clip detection
I
5.1
5.1
Pin
No.
Name
Description
I/O
Vol.(V)
FM
AM
56 MUTE
Mute output
O
5.1
5.1
57 MBUS OUT
M-BUS data output
O
0
0
58 BOSE ACC
OUT
Not used
-
-
-
59 CAN BUSY
CAN-BUS busy (Note 2)
I
0
0
60 CAN RST
CAN-BUS cont. reset (Note 2)
O
5.1
5.1
61 RDS MUTE
RDS mute
O
5.1
5.1
62 NC
No connection
-
-
-
63 RADIO ON
Not used
-
-
-
64 WP
Write pulse
O
5.1
5.1
65 PLL DATA
PLL data
O
5.1
5.1
66 CAN SI
CAN-BUS data (Note 2)
O
0
2.8
67 CAN SO
CAN-BUS data (Note 2)
I
4.2
5.1
68 PLL SD
PLL data
I
3.8
3.8
69 PLL CLK
PLL clock
O
5.1
5.1
70 ST
FM stereo detection
I
5.1
5.0
71 ILL BL
Not used
-
-
-
72 LCD BL
Not used
-
-
-
73 TEST
(Ground pull-down)
-
0
0
74 ST SW
Steering switch input
I
5.0
5.0
75 +B.V
Battery detection
I
3.2
3.2
76 V.CONT
Phase diff. level detection
I
3.7
3.7
77 NOISE
Noise detection
I
0
0
78 MP
FM multipass detection
I
0
0
79 KEY2
Key data input
I
4.6
4.6
80 KEY1
Key data input
I
4.6
4.6
81 KEY3
Key data input
I
4.6
4.6
82 AVDD
+5V power supply
-
5.1
5.1
83 AVREF
+5V power supply
-
5.1
5.1
84 AVSS
Ground
-
0
0
85 RX
(Connecting to ground)
-
0
0
86 TX
(Connecting to ground)
-
0
0
87 J56/J37
(Ground pull-down)
-
0
0
88 SPEED
Vehicle speed detection
I
0
0
89 ILL DET IN
ILL+ detection
I
5.1
5.1
90 IG2 ON
Ignition2 on signal
O
5.1
5.1
91 MBUS IN
M-BUS data input
I
5.1
5.1
92 ACC DET
ACC detection
I
5.1
5.1
93 BAT DET
Battery detection
I
5.1
5.1
94 RDS DATA
RDS data input
I
2.5
1.0
95 SIG IN
Serial communication data
I
5.1
5.1
96 SIG OUT
Serial communication data
O
4.0
5.0
97 RDS CLK
RDS clock
I
2.6
0
98 ANT AMP
Antenna Amp power output
O
0
0
99 BEEP
Beep output
O
0
0
100 VOL ENA
Contact signal (VOLUME)
I
5.1
5.1
Note 1 :
Voltage measuerments are with respect to ground, with a
voltmeter (internal resistance : 10M ohms).
voltmeter (internal resistance : 10M ohms).
Note 2 :
Only for CR-YM4272K.
8 TERMINALS DESCRIPTION
8
MAZDA / CR-YM4270K / CR-YM4272K
IC202 : C1BB00000284
IC701 : C1EA00000028
9 PACKAGE AND IC BLOCK DIAGRAM
PA101 : YEP0PTB566A0
9
MAZDA / CR-YM4270K / CR-YM4272K
IC201, 504 : C0JBAR000066
IC502 : C1EB00000059
IC602 : C3EBCG000037
IC604 : AN8065E1
ANTI-
ALIASING
FILTER
OSCILLATOR
AND
DIVIDER
BIPHASE
SYMBOL
DECODER
QUALITY BIT
GENERATOR
DIFDERENTIAL
DECODER
57kHz
BANDPASS
(8th ORDER)
COSTAS LOOP
VARIABLE AND
FIXED DIVIDER
FIXED DIVIDER
CLOCKED
COMPARATOR
CLOCK
REGENERATION
AND SYNC
REFERENCE
VOLTAGE
RECONSTRUCTION
FILTER
4
MUX
SCOUT
CIN
VDDA
Vref
VSSA
MODE
TEST
VSSD
VDDD
OSCO
OSCI
T57
RDCL
RDDA
QUAL
1
2
16
8
5
7
3
6
15
9
10
14
12
13
11
TEST LOGIC AND OUTPUT
SELECTOR SWITCH
Vp1
IC152 : C1EB00000061
10
MAZDA / CR-YM4270K / CR-YM4272K
10 REPLACEMENT PARTS
LIST
Notes :
1. Be sure to make your orders of replacement parts
according to this list.
2. Important safety notice: Components, identified by
mark
have special characteristics important for safety. When
replacing
replacing
any
of
these
components,
use
only
manufacturer´s specified parts.
3. Location keys in the remarks column indicates the general
location of the parts shown in the exploded drawing, as in a
road map.
road map.
4. The marking (RTL) indicates that Retention Time is limited
for this item. After the discontinuation of assembly in
production, the item will continue to be available for a
specific period of time. The retention period of availability is
dependent on the type of assembly, and in accordance with
the laws governing part and product retention. After the end
of this period, the assembly will no longer be available.
production, the item will continue to be available for a
specific period of time. The retention period of availability is
dependent on the type of assembly, and in accordance with
the laws governing part and product retention. After the end
of this period, the assembly will no longer be available.
5. "MCC" marks in remarks column are indicated supply parts
of Matsushita Communication Industrial Corp. of America
(MCC).
(MCC).
6. "A" or "B" marks in remarks column are indicated as
follows :
∙
A : CR-YM4270K
∙
B : CR-YM4272K
Ref.
No.
Part No.
Part Name & Description
Remarks
[E6894B] Main Block
IC´s and TRANSISTORs
IC151
AN6564NST1
IC
IC152
C1EB00000061
IC
IC153
C0ABCB000032
IC
IC201
C0JBAR000066
IC
IC202
C1BB00000284
IC
IC203
C0ABCB000015
IC
IC501
C2BBFD000341
IC
B
IC502
C1EB00000059
IC
B
IC503
AN78N05
IC
B
IC504
C0JBAR000066
IC
IC601
C2CBJG000199
IC
IC602
C3EBCG000037
IC
IC604
AN8065SE1
IC
IC701
C1EA00000028
IC
IC702
C0ABAB000001
IC
PA101
YEP0PTB566A0
Electronic Tuner
Q101
B1GDCFNN0002
Transistor
Q201
B1GBHBEA0004
Transistor
Q301
B1GBHBEA0004
Transistor
Q501
B1GBCFNN0004
Transistor
Q503
B1ABCF000044
Transistor
Q504
B1ABCF000044
Transistor
Q505
YEANA1037KTX
Transistor
Q506
B1GBCFJJ0002
Transistor
Q507
B1GBCFJJ0002
Transistor
Q508
B1ABCF000044
Transistor
Q509
B1GBCFNN0004
Transistor
Q510
B1GBCFNN0004
Transistor
Q511
B1GBCFNN0004
Transistor
Q514
B1GBCFJJ0002
Transistor
Q515
B1ABCF000044
Transistor
Q516
YEANFP1F3PT1
Transistor
B
Q517
B1GBCFJJ0002
Transistor
Q518
B1GBCFJJ0002
Transistor
Q519
YEANA1037KTX
Transistor
Ref.
No.
Part No.
Part Name & Description
Remarks
Q520
YEANC114WKTX
Transistor
B
Q601
B1GBCFNN0004
Transistor
Q701
B1BBAC000007
Transistor
Q702
2SB1073TX
Transistor
Q703
YEANC114WKTX
Transistor
Q704
2SD2139TA
Transistor
Q705
2SD2139TA
Transistor
Q706
B1BBAC000007
Transistor
Q707
YEANC114YKX
Transistor
Q710
YEAN2SD1856
Transistor
Q711
YEAN2SD1856
Transistor
Q712
B1GDCFJJ0002
Transistor
Q713
B1ABCF000044
Transistor
Q714
YEAN2SD1856
Transistor
Q715
B1ABCF000044
Transistor
Q716
B1GDCFJJ0002
Transistor
Q717
YEANC114YKX
Transistor
Q718
YEANC114YKX
Transistor
Q719
B1ABCF000044
Transistor
Q720
B1ABCF000044
Transistor
Q721
YEANC3661TA
Transistor
Q722
YEANC3661TA
Transistor
Q723
YEANHQ1F3PT1
Transistor
Q724
YEANC114YKX
Transistor
Q725
YEANFP1F3PT1
Transistor
Q726
YEANC114WKTX
Transistor
Q727
YEANC3661TA
Transistor
Q728
YEANFP1F3PT1
Transistor
Q729
YEANC114YKX
Transistor
Q732
B1ABCF000044
Transistor
Q733
B1ABCF000044
Transistor
DIODEs
D101
MA152WKTX
Diode
D102
B0ACCK000005
Diode
D151
YEADRD51M2T1
Diode
D152
MA153TX
Diode
D153
MA153TX
Diode
D201
MA8056LMHTX
Diode
D202
MA8056LMHTX
Diode
D301
MA8056LMHTX
Diode
D302
MA8056LMHTX
Diode
D501
MA152WKTX
Diode
D503
B0ACCK000005
Diode
D504
MA153TX
Diode
D505
MAZ32700ML
Diode
B
D506
MAZ32700ML
Diode
B
D507
MAZ32700ML
Diode
B
D508
MAZ32700ML
Diode
B
D509
B0ACCK000005
Diode
D510
B0ACCK000005
Diode
D511
B0ACCK000005
Diode
D512
MA8056LMHTX
Diode
D513
MA153TX
Diode
D601
B0ACCK000005
Diode
B
D701
YEADDAM3MA47
Diode
D702
YEADDSA3A2B
Diode
D703
B0ACCK000005
Diode
D704
B0ACCK000005
Diode
D705
YEADRD56M3T1
Diode
D706
YEADRD10M2T1
Diode
D707
YEADEC10DS1
Diode
D708
B0BC8R100002
Diode
D709
YEADRD82M3T1
Diode
D710
YEADRD43M2T2
Diode
D711
B0ACCK000005
Diode
D712
YEADRD62M2T1
Diode
D713
YEADRD82M1T1
Diode
D714
B0BC7R200001
Diode
D716
YEADRD43M2T2
Diode
D717
B0BC9R600001
Diode
D718
B0ACCK000005
Diode
11
MAZDA / CR-YM4270K / CR-YM4272K
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