TU 970
SERVICE MANUAL
Power for the Digital Revolution
®
TECHNICAL SPECIFICATIONS 13
Technical Specifications
FM Section
Frequency Range 87.50 MHz to 108.00 MHz (50 kHz steps)
Signal-to-Noise Ratio 65dB (Mono) 60dB (Stereo)
Presets 30
Section
Frequency Range 522 kHz to 1620 kHz (9 kHz steps)
Signal-to-Noise Ratio 35dB
Presets 30
DAB Section
RF Section Band lll, 174MHz-240MHz
Input: 50 Ohm, nominal
Max signal: -3dBm typ
Sensitivity: -96dBm typ
Adjacent Channel Rejection: 35dB typ
Display 2 line by 16 character DOT Matrix
Presets 10
Audio Output Stereo, 2.5V P-P
48kHz sample rate 16 bit sample resolution
Optical S/PDIF IEC60958 Compliant
48kHz sample rate 24 bit sample resolution
General
Power Requirement 230-240V AC, 50Hz
Power Consumption 9W
3W (standby)
Dimension (Max)
Width 442mm
Height 63mm
Depth 299mm
Weight 3.4kg
Depth measurement includes knobs, buttons and terminal connections. Height measurement includes feet and chassis.
All features and specifications are subject to change without notice.
Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman Kardon, Incorporated
EXPLODED VIEW (TU 970)
S2
35
34
33
S5
S6
32
X5
S7
X4
S4
X5
23
25
24
26
S2
X3
S6
12
16
S1
X4
21
S1
X6
X4
20
S3
X4
27
28
17
S1
X5
4
13
22
S1
X2
5
14
19
18
9
6
7
10
8
3
11
S8
S2
X4
2
1
15
CTS3+8JFC
X2
S8
S7
S6
S5
S4
S3
S2
S1
NO.
CHD1A023
CTB3+8JFC
CTB3+6JFZ
CTB3+10GFZ
CTW3+8J
CTB3+6J
CTB3+10G
PARTS NO.
29
30
31
X4
S3
X4
SCREW
SCREW, TRANS
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
DESCRIPTION
Q'TY
1
132
4
4
1
1
1
1
1
2
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
35
X4
Q'TY
CJA2B043ZA
KHR1A028
34
CKF1A275Z
33
31
KHG1A050
30
CKL1A186H43
29
CUA1A240
28
27
CNVMB114MA18L
26
COP11666B
25
24
CMH1A226
23
CKC1B151S46
22
CMD1A501
21
20
HFL16T202DA1E
19
18
17
16
KBT1A920MBC22
15 KNOB, SELECT
KBT1A919MBC22
14
13 KBT1A918MBC22
CGL1A227
12
11
CGW1A374RDH43
10
CMZ1A095
9
CMZ1A093 FILTER, FIP 1
8
KGR1A328MBC22
4
7
KGR1A327MBC22
4
6
KGR1A326MBC22
9
5
1
KGB1A111X
5
4
KGR1A325MBC22
3
CGU1A324Z
8
2
CGL1A229
6
1
KGX1A344MBC22
17
NO.
PARTS NO.
POWER CORD
BUSHING, AC CORD 1
PANEL, REAR 1
PCB(TRANS)
CUSHION, FOOT
FOOT
CHASSIS, BOTTOM
PCB(JACK)
TUNER MODULE
PCB(MAIN)
DAB MODULEHNVFS2020VENICE
SUPPORT, PCB
CABINET, TOP
BRACKET, FIP
PCB(MICOM)
FIP MODULE
PCB(ROTARY)
PCB(FRONT)
PCB(FRONT)
PCB(LED)
KNOB, MEMORY
KNOB, POWER
INDICATOR, POWER
PANEL, FRONT
SHEET, ROTARY
ORNAMENT, BAR(D)
ORNAMENT, BAR(C)
ORNAMENT, BAR(B)
BADGE
ORNAMENT, BAR(A)
WINDOW, FIP
INDICATOR, ROTARY
CAP, ROTARY
DESCRIPTION
TU970/230 TUNER
ASSY'S
POS PART NUMBER PART NAME COMMENTS
HNVFS2020VENICE DAB , MODULE FS2020VENICE1.1
CNVMB114MA18L TUNER MODULE(EUR)
COP11666B PCB , MAIN / POWER ASS'Y TU970
HFL16T202DA1E VFD , MODULE DISPLAY MODULE
IC's
POS PART NUMBER PART NAME COMMENTS
IC72 HVIRE5VL28CATZ IC , RESET
IC21 HVINJM2068MDTE1 I.C , OP AMP NJM2068MD-TE1
IC22 BVI74HC4066D I.C, SWITCHING(QUAD) 74HC4066D
IC23 HVITC74HCU04AFN IC , INVERTER TC74HCU04AFN
IC24 BVIKP1010B IC, PHOTO COUPLER
IC71 HVIANAM1371T I.C , FLASH U-COM
HVIS3F84BB I.C , FLASH U-COM S3F84BB
IC91 HVIKA78R05ZA I.C ASS'Y
CMY2A048 HEAT SINK
CTB3+8J SCREW
HVIKA78R05 REGULATOR (5V OUTPUT LOW DROP) KA78R05TU
IC92 HVIKA78R05ZA I.C ASS'Y
CMY2A048 HEAT SINK
CTB3+8J SCREW
HVIKA78R05 REGULATOR (5V OUTPUT LOW DROP) KA78R05TU
IC93 HVIKA78R12ZA I.C , ASS'Y
CMY2A048 HEAT SINK
CTB3+8J SCREW
HVIKA78R12 REGULATOR(12V OUTPUT LOW DROP) KA78R12TU
IC94 HVIRC1117ST I.C , ADJ REGULATOR RC1117ST
TRANSISTOR
POS PART NUMBER PART NAME COMMENTS
Q201 HVTKTC2874BT T.R , MUTE KTC2874B
Q202 HVTKTC2874BT T.R , MUTE KTC2874B
Q203 HVTKRA107MT T.R KRA107M
Q204 HVTKRC107MT T.R KRC107M
Q205 HVTKRA107MT T.R KRA107M
Q701 HVTKRA107MT T.R KRA107M
Q702 HVTKRA107MT T.R KRA107M
Q703 HVTKRA107MT T.R KRA107M
Q704 HVTKRA107MT T.R KRA107M
Q705 HVTKRA107MT T.R KRA107M
Q709 HVTKRC107MT T.R KRC107M
Q710 HVTKRC107MT T.R KRC107M
Q711 HVTKRC107MT T.R KRC107M
Q712 HVTKSA1175YT T.R KSA1175Y(DEAD)
Q713 HVTKSC2785YT T.R KSC2785Y(DEAD)
Q905 HVTKTC3198YT T.R
Q906 HVTKTA1266YT T.R TKTA1266YT
DIODE
POS PART NUMBER PART NAME COMMENTS
D201 HVDMTZJ3.3BT DIODE , ZENER 3.3V 1/2W
D202 HVD1SS133MT DIODE 1SS133T-77
D702 HVD1SS133MT DIODE 1SS133T-77
D703 HVD1SS133MT DIODE 1SS133T-77
D706 HVD1SS133MT DIODE 1SS133T-77
D707 HVD1SS133MT DIODE 1SS133T-77
D708 HVD1SS133MT DIODE 1SS133T-77
D719 HVD1SS133MT DIODE 1SS133T-77
D720 HVD1SS133MT DIODE 1SS133T-77
D901 KVD1N4003ST DIODE 1N4003
D902 KVD1N4003ST DIODE 1N4003
D903 KVD1N4003ST DIODE 1N4003
D904 KVD1N4003ST DIODE 1N4003
D905 KVD1N4003ST DIODE 1N4003
D906 HVD1SS133MT DIODE 1SS133T-77
D907 HVDMTZJ4.7BT DIODE , ZENER 4.7V 1/2W
D908 KVD1N4003ST DIODE 1N4003
D909 KVD1N4003ST DIODE 1N4003
D910 HVDMTZJ6.2BT DIODE , ZENER
D911 HVDMTZJ6.2BT DIODE , ZENER
D912 KVD1N4003ST DIODE 1N4003
D913 HVD1SS133MT DIODE 1SS133T-77
D701 CVD52CSBBCEAB2 BLUE L.E.D
D709 CVD52CSBBCEAB2 BLUE L.E.D
D710 CVD52CSBBCEAB2 BLUE L.E.D
D711 CVD50BOGDWGA L.E.D , 2 COLOR
D712 CVD52CSBBCEAB2 BLUE L.E.D
D713 CVD52CSBBCEAB2 BLUE L.E.D
D714 CVD52CSBBCEAB2 BLUE L.E.D
D715 CVD52CSBBCEAB2 BLUE L.E.D
D716 CVD52CSBBCEAB2 BLUE L.E.D
D717 CVD52CSBBCEAB2 BLUE L.E.D
D718 CVD52CSBBCEAB2 BLUE L.E.D
CAPASITOR
POS PART NUMBER PART NAME COMMENTS
C101 HCEA1CH471T CAP , ELECT
C104 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C201 HCEA1AH471T CAP , ELECT 470UF 10V
C202 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C203 HCEA1AH471T CAP , ELECT 470UF 10V
C204 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C205 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
C206 CCCT1H220JC CAP , CERAMIC 22PF 50V JC
C207 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C208 HCEA1AH101T CAP , ELECT
C209 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
C210 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C211 HCEA1AH101T CAP , ELECT
C212 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
C213 CCCT1H220JC CAP , CERAMIC 22PF 50V JC
C214 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C215 HCEA1AH101T CAP , ELECT
C216 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
CAPASITOR
POS PART NUMBER PART NAME COMMENTS
C217 HCEA1AH101T CAP , ELECT
C218 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C219 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
C220 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
C221 HCQI1H152JZT CAP , MYLAR 1500PF 50V J
C222 HCQI1H152JZT CAP , MYLAR 1500PF 50V J
C223 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
C224 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
C225 CCKT1H103ZF CAP , CERAMIC 0.01UF 50V ZF
C226 CCKT1H102KB CAP , CERAMIC 1000PF 50V KB
C228 HCEA1HH4R7T CAP , ELECT 4.7UF 50V
C229 HCEA1AH101T CAP , ELECT
C230 HCEA1CH470T CAP , ELECT
C231 CCKT1H104ZF CAP , CERAMIC 50V 0.1UF
C232 CCKT1H101KB CAP , CERAMIC 100PF 50V KB
C233 CCKT1H104ZF CAP , CERAMIC 50V 0.1UF
C234 CCCT1H330JC CAP , CERAMIC 33PF 50V JC
C235 HCEA1AH101T CAP , ELECT
C701 HCEA1AH471T CAP , ELECT 470UF 10V
C702 CCCT1H330JC CAP , CERAMIC 33PF 50V JC
C703 CCCT1H330JC CAP , CERAMIC 33PF 50V JC
C704 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C705 CCKT1H221KB CAP , MYLAR 220PF 50V KB
C706 CCKT1H221KB CAP , MYLAR 220PF 50V KB
C707 HCEA1AH101T CAP , ELECT
C708 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C709 CCKT1H221KB CAP , MYLAR 220PF 50V KB
C710 CCKT1H221KB CAP , MYLAR 220PF 50V KB
C711 CCKT1H221KB CAP , MYLAR 220PF 50V KB
C714 HCEA1AH101T CAP , ELECT
C715 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C716 HCEA1AH471T CAP , ELECT 470UF 10V
C717 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C718 CCKT1H101KB CAP , CERAMIC 100PF 50V KB
C719 CCKT1H101KB CAP , CERAMIC 100PF 50V KB
C720 CCKT1H101KB CAP , CERAMIC 100PF 50V KB
C721 CCKT1H101KB CAP , CERAMIC 100PF 50V KB
C722 CCKT1H101KB CAP , CERAMIC 100PF 50V KB
C723 CCKT1H101KB CAP , CERAMIC 100PF 50V KB
C724 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C726 HCEA1CH470T CAP , ELECT
C727 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C901 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C902 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C903 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C904 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C905 HCEA1HH220T CAP , ELECT 22UF 50V
C906 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C908 HCEA1AH101T CAP , ELECT
C909 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C910 HCEA1CH101T CAP , ELECT 100UF 16V
C911 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF
C914 HCEA1AH101T CAP , ELECT