Panasonic SA-AK230EE Service Manual ▷ View online
Fig.6
13.2.2. AM RF Adjustment
1. Connect the instrument as shown in Fig. 7.
2. Set the unit to AM mode.
3. Set AM-SG to 520kHz.
4. Receive 520kHz in the unit.
5. Adjust Z2602 (OSC) so that the EVM-AC is maximized.
6. Set AM-SG to 600Hz.
7. Receive 600Hz in the unit.
8. Adjust Z2602 (ANT) so that the EVM-SG is maximized.
2. Set the unit to AM mode.
3. Set AM-SG to 520kHz.
4. Receive 520kHz in the unit.
5. Adjust Z2602 (OSC) so that the EVM-AC is maximized.
6. Set AM-SG to 600Hz.
7. Receive 600Hz in the unit.
8. Adjust Z2602 (ANT) so that the EVM-SG is maximized.
13.3.1. Cassette Deck Section
13.3.2. Tuner Section
9. Set AM-SG to 520kHz.
10. Receive 520kHz in the unit.
11. Adjust L2602 (OSC) so that the EVM-DC value is with
10. Receive 520kHz in the unit.
11. Adjust L2602 (OSC) so that the EVM-DC value is with
1.1±0.5V.
Fig.7
13.3. Alignment Points
49
SA-AK230EE
14 Block Diagram
T-
T+
F+
F-
PHOTO DETECTOR
OPTICAL PICKUP
SEMICONDUCTOR
LASER
Q7601
LASER
POWER DRIVE
M7302
SPINDLE
MOTOR
RESET
SIGNAL
GENERATOR
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
TRAVERSE
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
MUTE
[CH2]
FOCUS COIL
TRACKING COIL
D4+
17
D4-
16
D3+
15
D3-
14
D1+
11
D1-
10
D2+
13
D2-
12
4
PC2
3
IN2
6
IN1
24
IN3
23
IN4
1
/RST
NC
18
5
NC
2
NC
B
B
B
B
IC7003
AN8739SBTE2
FOCUS COIL/TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
M7301
TRAVERSE
MOTOR
E
F
B
A
LPD
LD
C
D
SPPOL
SPOUT
TRVP
TRP
FOP
B
B
A
B
F
E
M
M
50
SA-AK230EE
MN6627953HB
SERVO PROCESSOR
DIGITAL SIGNAL
PROCESSOR/
DIGITAL FILTER/
D/A CONVERTER
TO MAIN BLOCK
IC7002
NTEST
60
IOMODE
59
NRST
68
TIMING GENERATOR
71
X1
70
X2
(SMCK)
(PMCK)
MICRO COMPUTER
INTERFACE
66
S
TAT
65
MLD
63
MCLK
64
M
D
ATA
DSL/PLL/VCO
44
ARFIN
46
IREF
45
DSLF
47
PLLF
48
PLLF0
SUBCODE
INTERFACE
43
A
VSS2
49
A
VDD2
67
BLKCK
74
TXTD
73
DQSY
(SBCK)
(SUBC)
(TXNCLDCK)
62
FLAG
1
EXT0
EFM DEMODULATION
SYNC INTERPOLATION
CIRC ECC
CDROM ECC
CIRC RAM
1 MBIT
SRAM
BUS CONTROL UNIT
SPINDLE
SERVO
SERVO
CPU
RF
INTERFACE
RF
AMPLIFIER
INPUT
PORT
RFVDD
37
VREF
27
A,B,C,D,E,F
30~35
A, B, C, D, E, F
CEA
21
LD
29
LD
PD
28
LPD
DCDET
36
CAGC
41
2
EXT1
3
EXT2
76
GIO0
77
GIO1
78
GIO2
75
TXTCK
PORT
ARF
RFOUT
39
RFIN
40
FEN
24
TEN
25
FEOUT
23
TEOUT
26
(LRCK)
(BCLK)
(BCLK)
(SRDATA)
SERIAL OUTPUT
INTERFACE
REGULATOR
LON
(DVDD2)
MP3/WMA
DECODER
FS
CONVERTER
DIGITAL FILTER
1 BIT DAC
PWM LOGIC
ANALOG
LOWPASS FILTER
RFENV
22
A/D
CONVERTER
ADPVCC
18
FEIN
20
TEIN
19
RFENV
22
OUTPUT
PORT
PWMSEL
4
SPPOL
6
SPPOL
SPOUT
5
SPOUT
TRVP
7
TRVP
TRVM
8
TRVP2
9
TRVM2
10
TRP
11
TRP
TRM
12
FOP
13
FOP
FOM
14
IOVDD1~3
15, 56,
72
DVDD1,2
16, 57
DVSS1~3
17, 55,
69
DIGITAL
OUT
TX
61
OUTL
50
OUTR
54
A
VDD1
53
A
VSS1
51
(LRCKIN)
(BCLKIN)
(SRDA
TIN)
CD_RST
S
TAT
MLD
MCLK
M
D
ATA
BLKCK
CD SIGNAL
RCH
A
B
X7201
B
B
B
B
B
B
FILTER
B
B
B
B
B
B
51
SA-AK230EE
IC2601
LA1833NMNTLM
FM/AM IF AMP,
DET/AM OSC,
MIX/FM MPX
SD
ST
SHIFT REGISTER LATCH
1
2
SWALLOW COUNTER
1/6,1/17,4 BITS
12 BITS PROGRAMMABLE
DIVIDER
REFERENCE
DIVIDER
C2B
I/F
PLLCLK
PLLDA
ST/DO
CE
X2603
ST/DO
SD
S-CURVE
REG
FM
IF
FM
DET
AM
OSC
LEVEL
DET
BUFFER
ALC
DECODER
STEREO
SWITCH
AM
DET
AM
IF
TUNING
DRIVE
AM/FM
IF
BUFFER
COMP
FF
FF
REG
VCO
AM
MIX
AM
RM AMP
AGC
PHASE
DET
PILOT
DET
FF
PILOT
CANCEL
(FM)
TUNER
15V
SUPPLY
SWITCH
Q2606
POWER ON
RESET
UNIVERSAL
COUNTER
UNLOCK
DETECTOR
PHASE DETECTOR
CHARGE PUMP
TO
CD DRIVE
BLOCK
PLL FREQUENCY SYNTHESIZER
LC72131MDTRM
IC2602
X2602
16
17
18
11
15
19
10
7
6
9
8
4
CL
3
DI
2
CE
5
DO
13
12
14
20
1
L2602
D2602
L2601
23
24
22
21
20
19
18
17
16
14
15
13
1
2
3
4
6
5
7
8
9
10
11
12
FM
IF AMP
Q2601
B
B
B
B
B
RCH
A
B
CF2601
CF2602
AM
IFT
Z2602
B
AM ANT
FM ANT
ENV17290G1Y
8
(FM)
MIXER
OSC
BUFFER
RF AMP
6
5
1
7
52
SA-AK230EE
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