Panasonic SA-AK52 Service Manual page 43

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 68
81 GRD8
<-27.8V>(-27.83V)
((-27.84V))-27.82V
82 GRD7
<-27.94V>(-27.95V)
((-27.87V))-27.94V
GRD6
83
<-27.91V>(-27.94V)
((-27.85V))-27.93V
84 GRD5
<-27.91V>(-27.94V)
((-27.85V))-27.93V
85 GRD4
<-27.93V>(-27.94V)
((-27.86V))-27.41V
86 GRD3
<-27.92V>(-27.95V)
((-27.85V))-27.9V
87 GRD2
<-28V>(-28.01V)
((-27.93V))-28.01V IC600
88 GRD1
<-28V>(-28.02V)
((-27.94V))-28.01V M38B79MFA053
89 VEE
<-29.86V>(-29.82V)
((-29.75V))-29.84V
MICROPROCESSOR
90 EE_CS/REG_IN
<0.8V>(0.26V)
((0.61V))0.4V
91 ECONO
<4.57V>(4.57V)
((4.54V))4.57V
RESTSW
92
<5.11V>(5.11V)
((5.09V))5.1V
93 SER4 (EEPROM_CLK/EXP2_CLK/MK_CLK)
<0.15V>(0.02V)
((0.15V))0.02V
94 SER3 (ASP_LATCH)
<0.02V>(0.02V)
((0.16V))0.02V
95 (MKDATA/EXP1_CLK/ASP_CLK)
SER2
<0.05V>(0.05V)
((0.05V))0.05V
(EEPROM_DATA/ASP_DATA/EXP1_DATA/EXP2_DATA)
96 SER1
<0.02V>(0.02V)
((0.02V))0.02V
97 AVSS
<0.01V>(0.01V)
((0.02V))0.02V
98 VREF+
<5.23V>(5.24V)
((5.21V))5.22V
99 TPS
<4.71V>(4.71V)
((4.68V))4.7V DECK1
100
<4.42V>
(4.42V)
((4.4V))
4.6V
10 11 12 13
1 2 3 4 5 6 7 8 9
C639
0.01
D620-D621
1SS291TA
C699
R699
0.1
10K
R675
4.7K
R676
C644
4.7K
68P
(0.02V)
<0.02V>
(1.07V)<0.99V>
Q607
0.02V
0.96V((2.1V))[2.6V]
((0.02V))
[0.02V]
Q608
(0.72V) (0.02V)
<0.72V> <0.02V>
(0.01V)
(0.02V)
0.72V 0.02V
<0.01V>
<0.02V>
((0.72V))
((0.02V))
0.02V
0.02V
[0.72V] [0.02V]
((0.02V)) ((0.02V))
[0.01V]
[0.02V]
C642 C643
C640 C641
56P
1000P 56P
1000P
Q607 Q608
KTC3199GRTA KTC3199GRTA
SWITCH SWITCH
32K OSCILLATOR
OSCILLATOR
: +B SIGNAL LINE
: -B SIGNAL LINE
R651
R652
68 68
<-22.16V>(-25.91V)
((-19.33V))-24.69V
67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
SEG6 50
<-21.94V>(-19.72V)
((-21.17V))-23.87V
SEG5 49
<-24.4V>(-25.87V)
((-17.28V))-25.85V
SEG4 48
<-26.28V>(-29.85V)
((-25.78V))-29.83V
SEG3
47
<-27.79V>(-29.8V)
((-23.63V))-27.79V
SEG2
46
<-23.61V>(-23.57V)
((-23.6V))-23.56V
SEG1 45
<-21.79V>(-19.43V)
((-21.38V))-19.45V
SWFK_LED 44
<0V>(0V)
((0V))0V
SPC 43
<2.19V>(2.2V)
((2.18V))2.2V
SPB 42
<2.18V>(2.19V)
((2.17V))2.19V
SPA 41
<2.18V>(2.19V)
((2.19V))2.17V
CHG_SW1 40
<0V>(0V)
((0V))0V
CHG_SW2 39
<0V>(0V)
((0V))0V
CHG_PLGR 38
<0V>(0V)
((0V))0V
CHG_HALF
37
<0V>(0V)
((0V))0V
CHG_CW
36
<5.01V>(5.03V)
((4.98V))5.02V
CHG_CCW 35
<5V>(5.02V)
((4.96V))5V
DCDET2
34
<5.09V>(5.12V)
((5.1V))5.11V
DCDET1
33
<5.16V>(5.16V)((5.12V))5.15V
SYNC 32
MLD/PLLCE 31
BLKCK
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
R677 E2PROM
680
INTERFACE
X600
RSXZ4M19D01T
C645
68P
R678
330K R679
10M
X601
RSXD32K7S02
C646
C647
18P 15P
20 19 18 17 16 15 14 13 12 11 10
TO
DECK CIRCUIT
: MAIN SIGNAL LINE
(CN1001) ON
SCHEMATIC DIAGRAM-10
: CD SIGNAL LINE
H600
FL1
FL2
D613 L605
MA4020LTA
RLQB101JTD-D
-VP
Q604
C660
R622 KRC101MTA
50V3.3
R621 DVREF+ SWITCH
100K
CD STATUS INTERFACE
(5.13V)<5.13V>
100K R620
5.13V((0.12V))
Q605
R619 100K [5.14V]
(4.47V)<4.47V>
4.47V((4.44V))[4.49V] KRC101MTA
R618
100K
Q603
SWITCH
R617
100K (5.21V)<5.21V>
CD SUBQ INTERFACE
5.21V((5.19V))
R616
100K [5.23V]
Q606
R615 R649
100K R650
KRC101MTA
470K
4.7K
100K R614
(0.05V)<0.05V>
SWITCH
R613
100K 0.05V((0.05V))[0.05V]
CD BLK CLK INTERFACE
ECONO
Q602
100K R612
(3.66V)
R611 <3.66V>
100K
(0.03V)
3.66V DVREF+
<0.03V>
((3.64V))
100K
0.03V
[3.68V]
((0.02V))
[0.03V]
SYS6V
R654
4.7K
D612
RVD1SS133TA
R997
STATUS
470 CTRL_+B
/RESTSW
D999
SLR325DCT31
(0V)<0V>
(9V)<9V>
0V((0V))
9V((9V))
[0V]
[9V]
(0V)<0V> BLKCLK
Q699
0V((0V))
[0V]
SUBQ
/CDRST
ST/DO/SQCLK
R999 PLLCE
1K
SPC
SPB
SPA
R648 100
SW1
D618-D619
R647 100
SW2 RVD1SS133TA
CHG_PLGR
CHG_HALF PLLDA
CHG_CW
PLLCLK
CHG_CCW
CD
R696 R697
VREF+
R684
R645
1K 22K R646 22K DCDET1
100K
CD1
1K R644 470
SYNC
R643
(5.04V)<5.04V>5.04V((5.02V))[5.06V]
VREF+
10K
(0.02V) C617
<0.02V> DVREF+
50V2.2
0.02V
((0.02V))
(0.02V)
<0.01V> [0.02V]
0.02V
Q601
((0.02V))
[0.02V] D611
RVD1SS133TA DVREF+
Q601
KRC103MTA
POWER RESET
SWITCH
C650
330P
SYS6V
8 7 6 5
IC603
1 2 3 4
R689
4.7K
VREF+
R688
C667
22K
DVREF+
0.022
9 8 7 6 5 4 3 2 1
CP605
TO
MAIN CIRCUIT
(CN303) ON
SCHEMATIC DIAGRAM-4
43
1 2 3 4 5 6 7 8
Q603
2SA933SSTA
SWITCH
DECK +6V SUPPLY
Q602
KRC102MTA
POWER CONTROL
SWITCH
Q699
KTC3199GRTA
SWITCH
R655 R653 R656
4.7K 4.7K 10K
(5.13V)<5.13V>
5.13V((0.12V))
(0V)<0V>
[5.14V]
0V((1.44V))
[0V]
R658
R657 Q604 10K
1K
(0V)<0V>
0V((0.02V))
[0V]
Q605
Q606
(5.15V)<5.15V>
(5.14V)<5.14V>
5.13V((0.7V))[5.14V]
5.14V((5.05V))[5.14V]
(0V) (0V)
<0V>
<0V>
0V 0V
((1.28V)) ((0.03V))
CP606
[0V] [0V]
(0V)<0V> (0V)<0V>
1
0V((0.02V))[0V] 0V((0.02V))[0V]
2
R661 4.7K
3
R660
R662
D614-D617 10K
10K
4
MA700ATA
5
D614
6
R667 R668
R669
5.6K
5.6K 5.6K
7
R664 100
MLD
8
D615
R665 100
MDAT
9
D616
R666 100
MCLK
10
D617
PGND
R670
11
100K
CD7.5V
12
D619 TX
13
LD_SW
C618
14
0.1
CDDGND
D618
15
R673 CD3.3V
16
22K
CDR
17
CDAGND
18
CDL
19
C619
R686
100P
CP607
C620 100P
5.6K 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
14
SW2
15
MIC_GND
16
+9V
17
MIC
18
LED9V
19
NAS_B
20
NAS_A
21
PCONT
22
MUTEA
23
DGND
24
HP_GND
25
HPR
26
HPL
27
HPSW
28
R674
1K
H601
SYNC
1
FL1
2
FL2
3
SYS6V
4
ECONO
5
6
SA-AK52
TO
CD SERVO
(CN702) ON
SCHEMATIC
DIAGRAM-2
TO
MAIN
CIRCUIT
(CN302) ON
SCHEMATIC
DIAGRAM-5
TO
TRANS
CIRCUIT
(CN502) ON
SCHEMATIC
DIAGRAM-12