Panasonic SA-AK22 Service Manual page 42

SA-AK22
SCHEMATIC DIAGRAM - 8
C634
41 42 43 44 45 46 47 48 49 50 51 52 35V22
80 79 78 77 76 75 74 73 72 71 70 69
81 GRD8
<-28.37V>(-28.4V)
((-28.31V))-28.38V
82 GRD7
<-28.36V>(-28.38V)
((-28.31V))-28.38V
83 GRD6
<-28.36V>(-28.38V)
((-28.3V))-28.38V
84 GRD5
<-28.37V>(-28.39V)
((-28.35V))-28.37V
85 GRD4
<-28.37V>(-28.4V)
((-28.31V))-28.37V
86 GRD3
<-28.38V>(-28.4V)
((-28.33V))-28.39V
87 GRD2
<-28.43V>(-28.45V)
((-28.38V))-28.44V IC600
88 GRD1
<-28.44V>(-28.46V)
((-28.4V))-28.44V M38B79MFA053
89 VEE
<-30.55V>(-30.58V)
((-30.48V))-30.56V
MICROPROCESSOR
90 EE_CS/REG_IN
<0.89V>(0.69V)
((0.38V))0.72V
91 ECONO
<4.96V>(4.98V)
((4.95V))4.97V
92 RESTSW
<5.23V>(5.24V)
((5.2V))5.23V
93 SER4 (EEPROM_CLK/EXP2_CLK/MK_CLK)
<0.04V>(0.03V)
((0.04V))0.02V
(ASP_LATCH)
94 SER3
<0.03V>(0.03V)
((0.04V))0.03V
95 (MKDATA/EXP1_CLK/ASP_CLK)
SER2
<0.06V>(0.06V)
((0.07V))0.06V
SER1 (EEPROM_DATA/ASP_DATA/EXP1_DATA/EXP2_DATA)
96
<0.03V>(0.03V)
((0.04V))0.03V
AVSS
97
<0.03V>(0.02V)
((0.03V))0.03V
VREF+
98
<5.32V>(5.33V)
((5.31V))5.32V
99 TPS
<4.79V>(4.79V)
((4.76V))4.77V DECK1
100
<4.16V>
(4.16V)
((3.81V))
4.01V
10 11 12
1 2 3 4 5 6 7 8 9
C639
0.01
D620-D621
1SS291TA
C699
R699
0.1 10K
R675
4.7K
R676
4.7K
(0.03V)
<0.03V>
(0.82V)<0.03V>
Q607
0.03V
0.76V((0.76V))[0.76V]
((0.04V))
[0.03V]
Q608
(0.72V) (0.03V)
<0.72V> <0.72V>
(0.02V)
(0.02V)
0.72V 0.03V
<0.03V>
<0.03V>
((0.73V)) ((0.03V))
0.03V
0.03V
[0.72V] [0.03V]
((0.03V))
((0.03V))
[0.02V]
[0.02V]
C642
C640 C641
1000P 56P
1000P
Q607 Q608
KTC3199GRTA KTC3199GRTA
SWITCH
SWITCH
32K OSCILLATOR
OSCILLATOR
: +B SIGNAL LINE
: -B SIGNAL LINE
R651
R652
68 68
MA4020LTA
R617
100K
<-21.5V>(-26.28V)
((-22.5V))-24.5V
68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
SEG6 50
<-22.2V>(-19.97V)
((-21.99V))-24.157V
SEG5 49
<-25.5V>(-26.18V)
((-18.5V))-26.16V
SEG4 48
<-25.5V>(-28.17V)
((-24.08V))-28.16V
SEG3 47
<-27.9V>(-30.2V)
((26.1V))-28.16V
SEG2 46
<-23.93V>(-23.9V)
((-23.89V))-23.89V
SEG1 45
<-21.9V>(-21.92V)
((-23.85V))-21.71V
SWFK_LED 44
<0.02V>(0.02V)
((0.03V))0.03V
SPC 43
<2.03V>(2.04V)
((2.03V))2.04V
SPB 42
<3.02V>(3.03V)
((3.02V))3.03V
SPA 41
<3.04V>(3.06V)
((3.06V))3.06V
CHG_SW1
40
<0.01V>(0.01V)
((0.01V))0.01V
39
CHG_SW2
<0.01V>(0.01V)
((0.01V))0.01V
CHG_PLGR
38
<0.01V>(0.01V)
((0.02V))0.01V
CHG_HALF
37
<0.01V>(0.01V)
((0.02V))0.01V
CHG_CW
36
<5.08V>(5.09V)
((5.04V))5.08V
CHG_CCW
35
<5.01V>(5.04V)
((5.04V))5.05V
DCDET2
34
<5.15V>(5.16V)
((5.17V))5.16V
DCDET1
33
<5.3V>(5.31V)((5.29V))5.3V
SYNC 32
MLD/PLLCE
31
BLKCK
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
R640
100
R998
1.2K
R641
47K
C631
0.01
IC603
93LC46B
C644 R677 E2PROM
68P 680
INTERFACE
X600
RSXZ4M19D01T
R689
4.7K
C645
68P
R678
330K R679
10M
X601
RSXD32K7S02
C643 C646 C647
56P
18P 15P
20 19 18 17 16 15 14 13 12 11 10
TO
MAIN CIRCUIT
(CN303) ON
SCHEMATIC DIAGRAM-4
: MAIN SIGNAL LINE
: CD SIGNAL LINE
TO
DECK CIRCUIT
(CN1001) ON
SCHEMATIC DIAGRAM-10
H600
1 2 3 4 5
FL1
FL2
D613 L605
RLQB101JTD-D
-VP
Q604
C660
R622 KRC101MTA
50V3.3
R621 DVREF+ SWITCH
100K
(5.23V)<5.23V> CD STATUS INTERFACE
100K R620
5.23V((5.21V))
Q605
R619 100K [5.24V]
(4.58V)<4.58V>
4.58V((4.56V))[4.59V] KRC101MTA
100K R618
Q603
SWITCH
100K
(5.33V)<5.32V>
CD SUBQ INTERFACE
5.32V((5.3V))
100K R616
[5.33V]
Q606
R615 100K R650 R649
KRC101MTA
470K 4.7K
100K R614
(0.04V)<0.04V> SWITCH
R613 100K 0.04V((0.05V))[0.04V]
CD BLK CLK INTERFACE
Q602 ECONO
R612
(4.57V)
R611 <4.56V>
100K
(0.03V)
4.56V
DVREF+
<0.03V>
100K ((4.54V))
0.03V
[4.57V]
((0.04V))
[0.03V]
SYS6V R655 R653
R654
4.7K 4.7K
4.7K
D612
RVD1SS133TA
STATUS
/RESTSW
R657
1K
Q605
BLKCLK
(5.23V)<5.23V>
SUBQ
5.22V((5.15V))[5.23V]
/CDRST
ST/DO/SQCLK
(0.01V)
<0.01V>
0.01V
((0.03V))[0.01V]
R999
PLLCE
1K R661 4.7K
SPC
SPB D614-D617
MA700ATA
SPA
R648 100 D614
SW1
D618-D619
R647 100
SW2 RVD1SS133TA
CHG_PLGR R664 100
CHG_HALF PLLDA
R665 100
CHG_CW R666 100
PLLCLK
CHG_CCW
R670
CD
R696 R697 VREF+ 100K
R684
1K 47K R645 R646 22K DCDET1
D619
100K
CD1
1K R644 470
SYNC
C618
R643 0.1
(5.18V)<5.17V>5.18V((5.15V))[5.19V]
D618
VREF+
10K R673
(0.02V) C617
VREF+ 22K
<0.03V>
50V2.2
0.03V
(0.02V) ((0.03V))
<0.03V> [0.02V]
0.03V
Q601
((0.04V))
[0.02V] D611
RVD1SS133TA DVREF+
Q601
KRC103MTA
POWER RESET
SWITCH
C650
330P
SYS6V
8 7 6 5
IC603
1 2 3 4
VREF+
R688
C667
22K
R674
0.022
DVREF+
1K
9 8 7 6 5 4 3 2 1
CP605
42
6 7 8
Q603
2SA933SSTA
SWITCH
DECK +6V SUPPLY
Q602
KRC102MTA
POWER CONTROL
SWITCH
R656
10K
(5.23V)<5.22V>
5.23V((2.8V))
(0.01V)<0.01V>
[5.22V]
0.01V((0.9V))
[0.01V]
R658
Q604
10K
(0.01V)<0.01V>
0.01V((0.03V))
[0.01V]
Q606
(5.23V)<5.23V>
5.22V((5.16V))[5.23V]
(0.01V)
<0.01V>
(0.01V)
0.01V
<0.01V>
((0.9V))
0.01V
[0.01V]
((0.05V)) CP606
(0.01V)
[0.01V]
<0.01V>
1
0.01V((0.03V))[0.01V]
2
R660 3
R662 10K
4
10K
5
6
R667 R668
R669
5.6K 5.6K 5.6K
7
MLD
8
D615
MDAT
TO
9
D616
MCLK
CD SERVO
10
D617
PGND
(CN702) ON
11
CD7.5V
SCHEMATIC
12
TX
DIAGRAM-2
13
LD_SW
14
CDDGND
15
CD3.3V
16
CDR
17
CDAGND
18
CDL
19
C619
R686 100P
CP607
5.6K C620 100P SD
1
ST/DO/SQCLK
2
SPE
3
CHG_CCW
4
CHG_CW
5
CHG_AD2
6
CHG_AD1
7
SW5V
8
D650
SER3
9
SER2
10
D651 SER1
11
D650-D651
DET_OUT
12
RVD1SS133TA
-VP
13
SW1
TO
14
SW2
MAIN
15
MIC_GND
CIRCUIT
16
+9V
(CN302) ON
17
MIC
SCHEMATIC
18
LED9V
DIAGRAM-5
19
NAS_B
20
NAS_A
21
PCONT
22
MUTEA
23
DGND
24
HP_GND
25
HPR
26
HPL
27
HPSW
28
H601
SYNC
TO
1
FL1
TRANS
2
FL2
CIRCUIT
3
SYS6V
4 (CN502) ON
ECONO
5 SCHEMATIC
6 DIAGRAM-12